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
[ 36, 35, 11, 4 ]
70
[ "36/4=9", "11-9=2", "35*2=70" ]
Current State: 70:[36, 35, 11, 4], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [35, 11, 9] Generated Node #2: [35, 11, 9] from Operation: 36/4=9 Current State: 70:[35, 11, 9], Operations: ['36/4=9'] Exploring Operation: 11-9=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 11-9=2 Current State: 70:[35, 2], Operations: ['36/4=9', '11-9=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[36, 35, 11, 4], Operations: [] Exploring Operation: 11-4=7, Resulting Numbers: [36, 35, 7] Generated Node #0,0: 70:[36, 35, 7] Operation: 11-4=7 Moving to Node #0,0 Current State: 70:[36, 35, 7], Operations: ['11-4=7'] Exploring Operation: 36+35=71, Resulting Numbers: [7, 71] Generated Node #0,0,0: 70:[7, 71] Operation: 36+35=71 Moving to Node #0,0,0 Current State: 70:[7, 71], Operations: ['11-4=7', '36+35=71'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,70 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 84, 61, 77, 97 ]
43
[ "84-61=23", "97-77=20", "23+20=43" ]
Current State: 43:[84, 61, 77, 97], Operations: [] Exploring Operation: 84-61=23, Resulting Numbers: [77, 97, 23] Generated Node #2: [77, 97, 23] from Operation: 84-61=23 Current State: 43:[77, 97, 23], Operations: ['84-61=23'] Exploring Operation: 97-77=20, Resulting Numbers: [23, 20] Generated Node #3: [23, 20] from Operation: 97-77=20 Current State: 43:[23, 20], Operations: ['84-61=23', '97-77=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[84, 61, 77, 97], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [61, 77, 13] Generated Node #0,0: 43:[61, 77, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 43:[61, 77, 13], Operations: ['97-84=13'] Exploring Operation: 61-13=48, Resulting Numbers: [77, 48] Generated Node #0,0,0: 43:[77, 48] Operation: 61-13=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[77, 48], Operations: ['97-84=13', '61-13=48'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,43 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
[ 10, 69, 91, 61 ]
49
[ "10+69=79", "91-61=30", "79-30=49" ]
Current State: 49:[10, 69, 91, 61], Operations: [] Exploring Operation: 10+69=79, Resulting Numbers: [91, 61, 79] Generated Node #2: [91, 61, 79] from Operation: 10+69=79 Current State: 49:[91, 61, 79], Operations: ['10+69=79'] Exploring Operation: 91-61=30, Resulting Numbers: [79, 30] Generated Node #3: [79, 30] from Operation: 91-61=30 Current State: 49:[79, 30], Operations: ['10+69=79', '91-61=30'] Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[10, 69, 91, 61], Operations: [] Exploring Operation: 91-10=81, Resulting Numbers: [69, 61, 81] Generated Node #0,0: 49:[69, 61, 81] Operation: 91-10=81 Exploring Operation: 69-61=8, Resulting Numbers: [10, 91, 8] Generated Node #0,1: 49:[10, 91, 8] Operation: 69-61=8 Exploring Operation: 91-61=30, Resulting Numbers: [10, 69, 30] Generated Node #0,2: 49:[10, 69, 30] Operation: 91-61=30 Exploring Operation: 91-69=22, Resulting Numbers: [10, 61, 22] Generated Node #0,3: 49:[10, 61, 22] Operation: 91-69=22 Exploring Operation: 69-10=59, Resulting Numbers: [91, 61, 59] Generated Node #0,4: 49:[91, 61, 59] Operation: 69-10=59 Moving to Node #0,3 Current State: 49:[10, 61, 22], Operations: ['91-69=22'] Exploring Operation: 10+61=71, Resulting Numbers: [22, 71] Generated Node #0,3,0: 49:[22, 71] Operation: 10+61=71 Exploring Operation: 61-10=51, Resulting Numbers: [22, 51] Generated Node #0,3,1: 49:[22, 51] Operation: 61-10=51 Exploring Operation: 22-10=12, Resulting Numbers: [61, 12] Generated Node #0,3,2: 49:[61, 12] Operation: 22-10=12 Exploring Operation: 10+22=32, Resulting Numbers: [61, 32] Generated Node #0,3,3: 49:[61, 32] Operation: 10+22=32 Exploring Operation: 61-22=39, Resulting Numbers: [10, 39] Generated Node #0,3,4: 49:[10, 39] Operation: 61-22=39 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[10, 39], Operations: ['91-69=22', '61-22=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[10, 69, 91, 61], Operations: [] Exploring Operation: 91-69=22, Resulting Numbers: [10, 61, 22] Generated Node #0,3: 49:[10, 61, 22] Operation: 91-69=22 Moving to Node #0,3 Current State: 49:[10, 61, 22], Operations: ['91-69=22'] Exploring Operation: 61-22=39, Resulting Numbers: [10, 39] Generated Node #0,3,4: 49:[10, 39] Operation: 61-22=39 Moving to Node #0,3,4 Current State: 49:[10, 39], Operations: ['91-69=22', '61-22=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 19, 3, 82, 47 ]
51
[ "19-3=16", "82-47=35", "16+35=51" ]
Current State: 51:[19, 3, 82, 47], Operations: [] Exploring Operation: 19-3=16, Resulting Numbers: [82, 47, 16] Generated Node #2: [82, 47, 16] from Operation: 19-3=16 Current State: 51:[82, 47, 16], Operations: ['19-3=16'] Exploring Operation: 82-47=35, Resulting Numbers: [16, 35] Generated Node #3: [16, 35] from Operation: 82-47=35 Current State: 51:[16, 35], Operations: ['19-3=16', '82-47=35'] Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[19, 3, 82, 47], Operations: [] Exploring Operation: 82-3=79, Resulting Numbers: [19, 47, 79] Generated Node #0,0: 51:[19, 47, 79] Operation: 82-3=79 Exploring Operation: 82-19=63, Resulting Numbers: [3, 47, 63] Generated Node #0,1: 51:[3, 47, 63] Operation: 82-19=63 Exploring Operation: 82-47=35, Resulting Numbers: [19, 3, 35] Generated Node #0,2: 51:[19, 3, 35] Operation: 82-47=35 Exploring Operation: 3+47=50, Resulting Numbers: [19, 82, 50] Generated Node #0,3: 51:[19, 82, 50] Operation: 3+47=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[3, 47, 63], Operations: ['82-19=63'] Exploring Operation: 63/3=21, Resulting Numbers: [47, 21] Generated Node #0,1,0: 51:[47, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [47, 60] Generated Node #0,1,1: 51:[47, 60] Operation: 63-3=60 Exploring Operation: 3+47=50, Resulting Numbers: [63, 50] Generated Node #0,1,2: 51:[63, 50] Operation: 3+47=50 Exploring Operation: 63-47=16, Resulting Numbers: [3, 16] Generated Node #0,1,3: 51:[3, 16] Operation: 63-47=16 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 51:[3, 16], Operations: ['82-19=63', '63-47=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,51 unequal: No Solution No 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: 51:[47, 21], Operations: ['82-19=63', '63/3=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,51 unequal: No Solution Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,51 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,51 unequal: No Solution No 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: 51:[47, 60], Operations: ['82-19=63', '63-3=60'] Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,51 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,51 unequal: No Solution No 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: 51:[63, 50], Operations: ['82-19=63', '3+47=50'] Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,51 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,51 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: 51:[19, 3, 35], Operations: ['82-47=35'] Exploring Operation: 19+35=54, Resulting Numbers: [3, 54] Generated Node #0,2,0: 51:[3, 54] Operation: 19+35=54 Exploring Operation: 19-3=16, Resulting Numbers: [35, 16] Generated Node #0,2,1: 51:[35, 16] Operation: 19-3=16 Exploring Operation: 3+35=38, Resulting Numbers: [19, 38] Generated Node #0,2,2: 51:[19, 38] Operation: 3+35=38 Exploring Operation: 35-19=16, Resulting Numbers: [3, 16] Generated Node #0,2,3: 51:[3, 16] Operation: 35-19=16 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 51:[3, 16], Operations: ['82-47=35', '35-19=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,51 unequal: No Solution No 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: 51:[3, 54], Operations: ['82-47=35', '19+35=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[19, 3, 82, 47], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [19, 3, 35] Generated Node #0,2: 51:[19, 3, 35] Operation: 82-47=35 Moving to Node #0,2 Current State: 51:[19, 3, 35], Operations: ['82-47=35'] Exploring Operation: 19+35=54, Resulting Numbers: [3, 54] Generated Node #0,2,0: 51:[3, 54] Operation: 19+35=54 Moving to Node #0,2,0 Current State: 51:[3, 54], Operations: ['82-47=35', '19+35=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 36, 14, 40, 6 ]
50
[ "40-36=4", "14*4=56", "56-6=50" ]
Current State: 50:[36, 14, 40, 6], Operations: [] Exploring Operation: 40-36=4, Resulting Numbers: [14, 6, 4] Generated Node #2: [14, 6, 4] from Operation: 40-36=4 Current State: 50:[14, 6, 4], Operations: ['40-36=4'] Exploring Operation: 14*4=56, Resulting Numbers: [6, 56] Generated Node #3: [6, 56] from Operation: 14*4=56 Current State: 50:[6, 56], Operations: ['40-36=4', '14*4=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[36, 14, 40, 6], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [36, 6, 26] Generated Node #0,0: 50:[36, 6, 26] Operation: 40-14=26 Exploring Operation: 36+14=50, Resulting Numbers: [40, 6, 50] Generated Node #0,1: 50:[40, 6, 50] Operation: 36+14=50 Exploring Operation: 40-36=4, Resulting Numbers: [14, 6, 4] Generated Node #0,2: 50:[14, 6, 4] Operation: 40-36=4 Moving to Node #0,2 Current State: 50:[14, 6, 4], Operations: ['40-36=4'] Exploring Operation: 14-4=10, Resulting Numbers: [6, 10] Generated Node #0,2,0: 50:[6, 10] Operation: 14-4=10 Exploring Operation: 14-6=8, Resulting Numbers: [4, 8] Generated Node #0,2,1: 50:[4, 8] Operation: 14-6=8 Exploring Operation: 6+4=10, Resulting Numbers: [14, 10] Generated Node #0,2,2: 50:[14, 10] Operation: 6+4=10 Moving to Node #0,1 Current State: 50:[40, 6, 50], Operations: ['36+14=50'] Exploring Operation: 40-6=34, Resulting Numbers: [50, 34] Generated Node #0,1,0: 50:[50, 34] Operation: 40-6=34 Exploring Operation: 50-40=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 50:[6, 10] Operation: 50-40=10 Exploring Operation: 40+6=46, Resulting Numbers: [50, 46] Generated Node #0,1,2: 50:[50, 46] Operation: 40+6=46 Moving to Node #0,0 Current State: 50:[36, 6, 26], Operations: ['40-14=26'] Exploring Operation: 36-6=30, Resulting Numbers: [26, 30] Generated Node #0,0,0: 50:[26, 30] Operation: 36-6=30 Exploring Operation: 36-26=10, Resulting Numbers: [6, 10] Generated Node #0,0,1: 50:[6, 10] Operation: 36-26=10 Exploring Operation: 36/6=6, Resulting Numbers: [26, 6] Generated Node #0,0,2: 50:[26, 6] Operation: 36/6=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[6, 10], Operations: ['40-14=26', '36-26=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[26, 6], Operations: ['40-14=26', '36/6=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,50 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[26, 30], Operations: ['40-14=26', '36-6=30'] Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,50 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 50:[6, 10], Operations: ['40-36=4', '14-4=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[6, 10], Operations: ['36+14=50', '50-40=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,50 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,50 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[4, 8], Operations: ['40-36=4', '14-6=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[14, 10], Operations: ['40-36=4', '6+4=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,50 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[50, 46], Operations: ['36+14=50', '40+6=46'] Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,50 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,50 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[50, 34], Operations: ['36+14=50', '40-6=34'] Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,50 unequal: No Solution Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,50 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 86, 33, 40, 89 ]
70
[ "86+33=119", "89-40=49", "119-49=70" ]
Current State: 70:[86, 33, 40, 89], Operations: [] Exploring Operation: 86+33=119, Resulting Numbers: [40, 89, 119] Generated Node #2: [40, 89, 119] from Operation: 86+33=119 Current State: 70:[40, 89, 119], Operations: ['86+33=119'] Exploring Operation: 89-40=49, Resulting Numbers: [119, 49] Generated Node #3: [119, 49] from Operation: 89-40=49 Current State: 70:[119, 49], Operations: ['86+33=119', '89-40=49'] Exploring Operation: 119-49=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[86, 33, 40, 89], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [33, 40, 3] Generated Node #0,0: 70:[33, 40, 3] Operation: 89-86=3 Moving to Node #0,0 Current State: 70:[33, 40, 3], Operations: ['89-86=3'] Exploring Operation: 40-33=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 70:[3, 7] Operation: 40-33=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[3, 7], Operations: ['89-86=3', '40-33=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 58, 51, 80, 15 ]
17
[ "80-51=29", "58/29=2", "15+2=17" ]
Current State: 17:[58, 51, 80, 15], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [58, 15, 29] Generated Node #2: [58, 15, 29] from Operation: 80-51=29 Current State: 17:[58, 15, 29], Operations: ['80-51=29'] Exploring Operation: 58/29=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 58/29=2 Current State: 17:[15, 2], Operations: ['80-51=29', '58/29=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[58, 51, 80, 15], Operations: [] Exploring Operation: 80-58=22, Resulting Numbers: [51, 15, 22] Generated Node #0,0: 17:[51, 15, 22] Operation: 80-58=22 Moving to Node #0,0 Current State: 17:[51, 15, 22], Operations: ['80-58=22'] Exploring Operation: 51-22=29, Resulting Numbers: [15, 29] Generated Node #0,0,0: 17:[15, 29] Operation: 51-22=29 Moving to Node #0,0,0 Current State: 17:[15, 29], Operations: ['80-58=22', '51-22=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,17 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 5, 99, 81, 94 ]
56
[ "99-94=5", "5*5=25", "81-25=56" ]
Current State: 56:[5, 99, 81, 94], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [5, 81, 5] Generated Node #2: [5, 81, 5] from Operation: 99-94=5 Current State: 56:[5, 81, 5], Operations: ['99-94=5'] Exploring Operation: 5*5=25, Resulting Numbers: [81, 25] Generated Node #3: [81, 25] from Operation: 5*5=25 Current State: 56:[81, 25], Operations: ['99-94=5', '5*5=25'] Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[5, 99, 81, 94], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [5, 81, 5] Generated Node #0,0: 56:[5, 81, 5] Operation: 99-94=5 Exploring Operation: 99-81=18, Resulting Numbers: [5, 94, 18] Generated Node #0,1: 56:[5, 94, 18] Operation: 99-81=18 Moving to Node #0,0 Current State: 56:[5, 81, 5], Operations: ['99-94=5'] Exploring Operation: 81-5=76, Resulting Numbers: [5, 76] Generated Node #0,0,0: 56:[5, 76] Operation: 81-5=76 Exploring Operation: 81-5=76, Resulting Numbers: [5, 76] Generated Node #0,0,1: 56:[5, 76] Operation: 81-5=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[5, 76], Operations: ['99-94=5', '81-5=76'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,56 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[5, 76], Operations: ['99-94=5', '81-5=76'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,56 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,56 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: 56:[5, 94, 18], Operations: ['99-81=18'] Exploring Operation: 94-18=76, Resulting Numbers: [5, 76] Generated Node #0,1,0: 56:[5, 76] Operation: 94-18=76 Exploring Operation: 94-5=89, Resulting Numbers: [18, 89] Generated Node #0,1,1: 56:[18, 89] Operation: 94-5=89 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[5, 76], Operations: ['99-81=18', '94-18=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[18, 89], Operations: ['99-81=18', '94-5=89'] Exploring Operation: 18+89=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,56 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
[ 21, 30, 41, 8 ]
97
[ "21*8=168", "30+41=71", "168-71=97" ]
Current State: 97:[21, 30, 41, 8], Operations: [] Exploring Operation: 21*8=168, Resulting Numbers: [30, 41, 168] Generated Node #2: [30, 41, 168] from Operation: 21*8=168 Current State: 97:[30, 41, 168], Operations: ['21*8=168'] Exploring Operation: 30+41=71, Resulting Numbers: [168, 71] Generated Node #3: [168, 71] from Operation: 30+41=71 Current State: 97:[168, 71], Operations: ['21*8=168', '30+41=71'] Exploring Operation: 168-71=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[21, 30, 41, 8], Operations: [] Exploring Operation: 21+30=51, Resulting Numbers: [41, 8, 51] Generated Node #0,0: 97:[41, 8, 51] Operation: 21+30=51 Moving to Node #0,0 Current State: 97:[41, 8, 51], Operations: ['21+30=51'] Exploring Operation: 41+8=49, Resulting Numbers: [51, 49] Generated Node #0,0,0: 97:[51, 49] Operation: 41+8=49 Moving to Node #0,0,0 Current State: 97:[51, 49], Operations: ['21+30=51', '41+8=49'] Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,97 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 20, 9, 9, 9 ]
10
[ "20*9=180", "9+9=18", "180/18=10" ]
Current State: 10:[20, 9, 9, 9], Operations: [] Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,10 equal: Goal Reached Exploring Operation: 9+9=18, Resulting Numbers: [180, 18] Generated Node #2: [180, 18] from Operation: 9+9=18 Current State: 10:[180, 18], Operations: ['9+9=18'] Exploring Operation: 180/18=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[20, 9, 9, 9], Operations: [] Exploring Operation: 20-9=11, Resulting Numbers: [9, 9, 11] Generated Node #0,0: 10:[9, 9, 11] Operation: 20-9=11 Exploring Operation: 20-9=11, Resulting Numbers: [9, 9, 11] Generated Node #0,1: 10:[9, 9, 11] Operation: 20-9=11 Exploring Operation: 20-9=11, Resulting Numbers: [9, 9, 11] Generated Node #0,2: 10:[9, 9, 11] Operation: 20-9=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[9, 9, 11], Operations: ['20-9=11'] Exploring Operation: 11-9=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 10:[9, 2] Operation: 11-9=2 Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 10:[11, 1] Operation: 9/9=1 Exploring Operation: 11-9=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 10:[9, 2] Operation: 11-9=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[9, 2], Operations: ['20-9=11', '11-9=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[9, 2], Operations: ['20-9=11', '11-9=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[11, 1], Operations: ['20-9=11', '9/9=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[20, 9, 9, 9], Operations: [] Exploring Operation: 20-9=11, Resulting Numbers: [9, 9, 11] Generated Node #0,0: 10:[9, 9, 11] Operation: 20-9=11 Moving to Node #0,0 Current State: 10:[9, 9, 11], Operations: ['20-9=11'] Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,1: 10:[11, 1] Operation: 9/9=1 Moving to Node #0,0,1 Current State: 10:[11, 1], Operations: ['20-9=11', '9/9=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 48, 44, 52, 13 ]
35
[ "48-44=4", "52-13=39", "39-4=35" ]
Current State: 35:[48, 44, 52, 13], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [52, 13, 4] Generated Node #2: [52, 13, 4] from Operation: 48-44=4 Current State: 35:[52, 13, 4], Operations: ['48-44=4'] Exploring Operation: 52-13=39, Resulting Numbers: [4, 39] Generated Node #3: [4, 39] from Operation: 52-13=39 Current State: 35:[4, 39], Operations: ['48-44=4', '52-13=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[48, 44, 52, 13], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [44, 13, 4] Generated Node #0,0: 35:[44, 13, 4] Operation: 52-48=4 Exploring Operation: 52/13=4, Resulting Numbers: [48, 44, 4] Generated Node #0,1: 35:[48, 44, 4] Operation: 52/13=4 Exploring Operation: 52-44=8, Resulting Numbers: [48, 13, 8] Generated Node #0,2: 35:[48, 13, 8] Operation: 52-44=8 Moving to Node #0,0 Current State: 35:[44, 13, 4], Operations: ['52-48=4'] Exploring Operation: 44/4=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 35:[13, 11] Operation: 44/4=11 Exploring Operation: 44-13=31, Resulting Numbers: [4, 31] Generated Node #0,0,1: 35:[4, 31] Operation: 44-13=31 Exploring Operation: 44-4=40, Resulting Numbers: [13, 40] Generated Node #0,0,2: 35:[13, 40] Operation: 44-4=40 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[4, 31], Operations: ['52-48=4', '44-13=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,35 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[48, 44, 52, 13], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [44, 13, 4] Generated Node #0,0: 35:[44, 13, 4] Operation: 52-48=4 Moving to Node #0,0 Current State: 35:[44, 13, 4], Operations: ['52-48=4'] Exploring Operation: 44-13=31, Resulting Numbers: [4, 31] Generated Node #0,0,1: 35:[4, 31] Operation: 44-13=31 Moving to Node #0,0,1 Current State: 35:[4, 31], Operations: ['52-48=4', '44-13=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 85, 52, 17, 44 ]
40
[ "85/17=5", "52-44=8", "5*8=40" ]
Current State: 40:[85, 52, 17, 44], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [52, 44, 5] Generated Node #2: [52, 44, 5] from Operation: 85/17=5 Current State: 40:[52, 44, 5], Operations: ['85/17=5'] Exploring Operation: 52-44=8, Resulting Numbers: [5, 8] Generated Node #3: [5, 8] from Operation: 52-44=8 Current State: 40:[5, 8], Operations: ['85/17=5', '52-44=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[85, 52, 17, 44], Operations: [] Exploring Operation: 52-44=8, Resulting Numbers: [85, 17, 8] Generated Node #0,0: 40:[85, 17, 8] Operation: 52-44=8 Exploring Operation: 85-52=33, Resulting Numbers: [17, 44, 33] Generated Node #0,1: 40:[17, 44, 33] Operation: 85-52=33 Exploring Operation: 85-44=41, Resulting Numbers: [52, 17, 41] Generated Node #0,2: 40:[52, 17, 41] Operation: 85-44=41 Exploring Operation: 85/17=5, Resulting Numbers: [52, 44, 5] Generated Node #0,3: 40:[52, 44, 5] Operation: 85/17=5 Exploring Operation: 85-17=68, Resulting Numbers: [52, 44, 68] Generated Node #0,4: 40:[52, 44, 68] Operation: 85-17=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[17, 44, 33], Operations: ['85-52=33'] Exploring Operation: 33-17=16, Resulting Numbers: [44, 16] Generated Node #0,1,0: 40:[44, 16] Operation: 33-17=16 Exploring Operation: 44-17=27, Resulting Numbers: [33, 27] Generated Node #0,1,1: 40:[33, 27] Operation: 44-17=27 Exploring Operation: 17+44=61, Resulting Numbers: [33, 61] Generated Node #0,1,2: 40:[33, 61] Operation: 17+44=61 Exploring Operation: 44-33=11, Resulting Numbers: [17, 11] Generated Node #0,1,3: 40:[17, 11] Operation: 44-33=11 Exploring Operation: 17+33=50, Resulting Numbers: [44, 50] Generated Node #0,1,4: 40:[44, 50] Operation: 17+33=50 Moving to Node #0,1,3 Current State: 40:[17, 11], Operations: ['85-52=33', '44-33=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,40 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[44, 16], Operations: ['85-52=33', '33-17=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[33, 27], Operations: ['85-52=33', '44-17=27'] Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 33*27=891, Resulting Numbers: [891] 891,40 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,40 unequal: No Solution Moving to Node #0,1,4 Current State: 40:[44, 50], Operations: ['85-52=33', '17+33=50'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,40 unequal: No Solution Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[33, 61], Operations: ['85-52=33', '17+44=61'] Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,40 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[52, 17, 41], Operations: ['85-44=41'] Exploring Operation: 52-17=35, Resulting Numbers: [41, 35] Generated Node #0,2,0: 40:[41, 35] Operation: 52-17=35 Exploring Operation: 41-17=24, Resulting Numbers: [52, 24] Generated Node #0,2,1: 40:[52, 24] Operation: 41-17=24 Exploring Operation: 52+17=69, Resulting Numbers: [41, 69] Generated Node #0,2,2: 40:[41, 69] Operation: 52+17=69 Exploring Operation: 17+41=58, Resulting Numbers: [52, 58] Generated Node #0,2,3: 40:[52, 58] Operation: 17+41=58 Exploring Operation: 52-41=11, Resulting Numbers: [17, 11] Generated Node #0,2,4: 40:[17, 11] Operation: 52-41=11 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 40:[17, 11], Operations: ['85-44=41', '52-41=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 40:[41, 35], Operations: ['85-44=41', '52-17=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,40 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 40:[52, 24], Operations: ['85-44=41', '41-17=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,40 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 40:[41, 69], Operations: ['85-44=41', '52+17=69'] Exploring Operation: 41*69=2829, Resulting Numbers: [2829] 2829,40 unequal: No Solution Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 41+69=110, Resulting Numbers: [110] 110,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 40:[52, 58], Operations: ['85-44=41', '17+41=58'] Exploring Operation: 52+58=110, Resulting Numbers: [110] 110,40 unequal: No Solution Exploring Operation: 58-52=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 52*58=3016, Resulting Numbers: [3016] 3016,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[52, 44, 5], Operations: ['85/17=5'] Exploring Operation: 52-5=47, Resulting Numbers: [44, 47] Generated Node #0,3,0: 40:[44, 47] Operation: 52-5=47 Exploring Operation: 52-44=8, Resulting Numbers: [5, 8] Generated Node #0,3,1: 40:[5, 8] Operation: 52-44=8 Exploring Operation: 44+5=49, Resulting Numbers: [52, 49] Generated Node #0,3,2: 40:[52, 49] Operation: 44+5=49 Exploring Operation: 44-5=39, Resulting Numbers: [52, 39] Generated Node #0,3,3: 40:[52, 39] Operation: 44-5=39 Exploring Operation: 52+5=57, Resulting Numbers: [44, 57] Generated Node #0,3,4: 40:[44, 57] Operation: 52+5=57 Moving to Node #0,3,1 Current State: 40:[5, 8], Operations: ['85/17=5', '52-44=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[85, 52, 17, 44], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [52, 44, 5] Generated Node #0,3: 40:[52, 44, 5] Operation: 85/17=5 Moving to Node #0,3 Current State: 40:[52, 44, 5], Operations: ['85/17=5'] Exploring Operation: 52-44=8, Resulting Numbers: [5, 8] Generated Node #0,3,1: 40:[5, 8] Operation: 52-44=8 Moving to Node #0,3,1 Current State: 40:[5, 8], Operations: ['85/17=5', '52-44=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
sum_heuristic
[ 26, 49, 42, 2 ]
83
[ "26+42=68", "68/2=34", "49+34=83" ]
Current State: 83:[26, 49, 42, 2], Operations: [] Exploring Operation: 26+42=68, Resulting Numbers: [49, 2, 68] Generated Node #2: [49, 2, 68] from Operation: 26+42=68 Current State: 83:[49, 2, 68], Operations: ['26+42=68'] Exploring Operation: 68/2=34, Resulting Numbers: [49, 34] Generated Node #3: [49, 34] from Operation: 68/2=34 Current State: 83:[49, 34], Operations: ['26+42=68', '68/2=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[26, 49, 42, 2], Operations: [] Exploring Operation: 42*2=84, Resulting Numbers: [26, 49, 84] Generated Node #0,0: 83:[26, 49, 84] Operation: 42*2=84 Exploring Operation: 26*2=52, Resulting Numbers: [49, 42, 52] Generated Node #0,1: 83:[49, 42, 52] Operation: 26*2=52 Moving to Node #0,0 Current State: 83:[26, 49, 84], Operations: ['42*2=84'] Exploring Operation: 84-26=58, Resulting Numbers: [49, 58] Generated Node #0,0,0: 83:[49, 58] Operation: 84-26=58 Exploring Operation: 26+49=75, Resulting Numbers: [84, 75] Generated Node #0,0,1: 83:[84, 75] Operation: 26+49=75 Moving to Node #0,1 Current State: 83:[49, 42, 52], Operations: ['26*2=52'] Exploring Operation: 49+42=91, Resulting Numbers: [52, 91] Generated Node #0,1,0: 83:[52, 91] Operation: 49+42=91 Exploring Operation: 42+52=94, Resulting Numbers: [49, 94] Generated Node #0,1,1: 83:[49, 94] Operation: 42+52=94 Moving to Node #0,0,1 Current State: 83:[84, 75], Operations: ['42*2=84', '26+49=75'] Exploring Operation: 84+75=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[52, 91], Operations: ['26*2=52', '49+42=91'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,83 unequal: No Solution Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[49, 94], Operations: ['26*2=52', '42+52=94'] Exploring Operation: 49+94=143, Resulting Numbers: [143] 143,83 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[49, 58], Operations: ['42*2=84', '84-26=58'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 71, 70, 15, 15 ]
71
[ "15-15=0", "70*0=0", "71+0=71" ]
Current State: 71:[71, 70, 15, 15], Operations: [] Exploring Operation: 15-15=0, Resulting Numbers: [71, 70, 0] Generated Node #2: [71, 70, 0] from Operation: 15-15=0 Current State: 71:[71, 70, 0], Operations: ['15-15=0'] Exploring Operation: 70*0=0, Resulting Numbers: [71, 0] Generated Node #3: [71, 0] from Operation: 70*0=0 Current State: 71:[71, 0], Operations: ['15-15=0', '70*0=0'] Exploring Operation: 71+0=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[71, 70, 15, 15], Operations: [] Exploring Operation: 15+15=30, Resulting Numbers: [71, 70, 30] Generated Node #0,0: 71:[71, 70, 30] Operation: 15+15=30 Exploring Operation: 70+15=85, Resulting Numbers: [71, 15, 85] Generated Node #0,1: 71:[71, 15, 85] Operation: 70+15=85 Exploring Operation: 15/15=1, Resulting Numbers: [71, 70, 1] Generated Node #0,2: 71:[71, 70, 1] Operation: 15/15=1 Exploring Operation: 70+15=85, Resulting Numbers: [71, 15, 85] Generated Node #0,3: 71:[71, 15, 85] Operation: 70+15=85 Moving to Node #0,0 Current State: 71:[71, 70, 30], Operations: ['15+15=30'] Exploring Operation: 70-30=40, Resulting Numbers: [71, 40] Generated Node #0,0,0: 71:[71, 40] Operation: 70-30=40 Exploring Operation: 70+30=100, Resulting Numbers: [71, 100] Generated Node #0,0,1: 71:[71, 100] Operation: 70+30=100 Exploring Operation: 71-30=41, Resulting Numbers: [70, 41] Generated Node #0,0,2: 71:[70, 41] Operation: 71-30=41 Exploring Operation: 71+30=101, Resulting Numbers: [70, 101] Generated Node #0,0,3: 71:[70, 101] Operation: 71+30=101 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[71, 100], Operations: ['15+15=30', '70+30=100'] Exploring Operation: 100-71=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 71*100=7100, Resulting Numbers: [7100] 7100,71 unequal: No Solution Exploring Operation: 71+100=171, Resulting Numbers: [171] 171,71 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 #0,0,0 Current State: 71:[71, 40], Operations: ['15+15=30', '70-30=40'] Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[70, 41], Operations: ['15+15=30', '71-30=41'] Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,71 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[70, 101], Operations: ['15+15=30', '71+30=101'] Exploring Operation: 70+101=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 101-70=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 70*101=7070, Resulting Numbers: [7070] 7070,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 71:[71, 15, 85], Operations: ['70+15=85'] Exploring Operation: 71+15=86, Resulting Numbers: [85, 86] Generated Node #0,3,0: 71:[85, 86] Operation: 71+15=86 Exploring Operation: 15+85=100, Resulting Numbers: [71, 100] Generated Node #0,3,1: 71:[71, 100] Operation: 15+85=100 Exploring Operation: 71-15=56, Resulting Numbers: [85, 56] Generated Node #0,3,2: 71:[85, 56] Operation: 71-15=56 Exploring Operation: 85-15=70, Resulting Numbers: [71, 70] Generated Node #0,3,3: 71:[71, 70] Operation: 85-15=70 Moving to Node #0,1 Current State: 71:[71, 15, 85], Operations: ['70+15=85'] Exploring Operation: 15+85=100, Resulting Numbers: [71, 100] Generated Node #0,1,0: 71:[71, 100] Operation: 15+85=100 Exploring Operation: 85-15=70, Resulting Numbers: [71, 70] Generated Node #0,1,1: 71:[71, 70] Operation: 85-15=70 Exploring Operation: 71-15=56, Resulting Numbers: [85, 56] Generated Node #0,1,2: 71:[85, 56] Operation: 71-15=56 Exploring Operation: 71+15=86, Resulting Numbers: [85, 86] Generated Node #0,1,3: 71:[85, 86] Operation: 71+15=86 Moving to Node #0,2 Current State: 71:[71, 70, 1], Operations: ['15/15=1'] Exploring Operation: 71/1=71, Resulting Numbers: [70, 71] Generated Node #0,2,0: 71:[70, 71] Operation: 71/1=71 Exploring Operation: 71*1=71, Resulting Numbers: [70, 71] Generated Node #0,2,1: 71:[70, 71] Operation: 71*1=71 Exploring Operation: 70+1=71, Resulting Numbers: [71, 71] Generated Node #0,2,2: 71:[71, 71] Operation: 70+1=71 Exploring Operation: 70*1=70, Resulting Numbers: [71, 70] Generated Node #0,2,3: 71:[71, 70] Operation: 70*1=70 Moving to Node #0,2,2 Current State: 71:[71, 71], Operations: ['15/15=1', '70+1=71'] Exploring Operation: 71*71=5041, Resulting Numbers: [5041] 5041,71 unequal: No Solution Exploring Operation: 71+71=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 71-71=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 71/71=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[71, 70], Operations: ['15/15=1', '70*1=70'] Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,71 unequal: No Solution Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[71, 70], Operations: ['70+15=85', '85-15=70'] Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,71 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[70, 71], Operations: ['15/15=1', '71/1=71'] Exploring Operation: 70*71=4970, Resulting Numbers: [4970] 4970,71 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[70, 71], Operations: ['15/15=1', '71*1=71'] Exploring Operation: 70*71=4970, Resulting Numbers: [4970] 4970,71 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[71, 70], Operations: ['70+15=85', '85-15=70'] Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 71*70=4970, Resulting Numbers: [4970] 4970,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[85, 56], Operations: ['70+15=85', '71-15=56'] Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[71, 100], Operations: ['70+15=85', '15+85=100'] Exploring Operation: 71*100=7100, Resulting Numbers: [7100] 7100,71 unequal: No Solution Exploring Operation: 71+100=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 100-71=29, Resulting Numbers: [29] 29,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[71, 100], Operations: ['70+15=85', '15+85=100'] Exploring Operation: 71+100=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 71*100=7100, Resulting Numbers: [7100] 7100,71 unequal: No Solution Exploring Operation: 100-71=29, Resulting Numbers: [29] 29,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[85, 56], Operations: ['70+15=85', '71-15=56'] Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,71 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[85, 86], Operations: ['70+15=85', '71+15=86'] Exploring Operation: 85*86=7310, Resulting Numbers: [7310] 7310,71 unequal: No Solution Exploring Operation: 86-85=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 85+86=171, Resulting Numbers: [171] 171,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[85, 86], Operations: ['70+15=85', '71+15=86'] Exploring Operation: 85+86=171, Resulting Numbers: [171] 171,71 unequal: No Solution Exploring Operation: 86-85=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 85*86=7310, Resulting Numbers: [7310] 7310,71 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 75, 4, 70, 84 ]
65
[ "75+4=79", "84-70=14", "79-14=65" ]
Current State: 65:[75, 4, 70, 84], Operations: [] Exploring Operation: 75+4=79, Resulting Numbers: [70, 84, 79] Generated Node #2: [70, 84, 79] from Operation: 75+4=79 Current State: 65:[70, 84, 79], Operations: ['75+4=79'] Exploring Operation: 84-70=14, Resulting Numbers: [79, 14] Generated Node #3: [79, 14] from Operation: 84-70=14 Current State: 65:[79, 14], Operations: ['75+4=79', '84-70=14'] Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[75, 4, 70, 84], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [75, 4, 14] Generated Node #0,0: 65:[75, 4, 14] Operation: 84-70=14 Exploring Operation: 75-70=5, Resulting Numbers: [4, 84, 5] Generated Node #0,1: 65:[4, 84, 5] Operation: 75-70=5 Exploring Operation: 84/4=21, Resulting Numbers: [75, 70, 21] Generated Node #0,2: 65:[75, 70, 21] Operation: 84/4=21 Exploring Operation: 84-75=9, Resulting Numbers: [4, 70, 9] Generated Node #0,3: 65:[4, 70, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[4, 70, 9], Operations: ['84-75=9'] Exploring Operation: 4+9=13, Resulting Numbers: [70, 13] Generated Node #0,3,0: 65:[70, 13] Operation: 4+9=13 Exploring Operation: 70-4=66, Resulting Numbers: [9, 66] Generated Node #0,3,1: 65:[9, 66] Operation: 70-4=66 Exploring Operation: 9-4=5, Resulting Numbers: [70, 5] Generated Node #0,3,2: 65:[70, 5] Operation: 9-4=5 Exploring Operation: 70-9=61, Resulting Numbers: [4, 61] Generated Node #0,3,3: 65:[4, 61] Operation: 70-9=61 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[70, 13], Operations: ['84-75=9', '4+9=13'] Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,65 unequal: No Solution Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,65 unequal: No Solution No 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: 65:[9, 66], Operations: ['84-75=9', '70-4=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,65 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,65 unequal: No Solution No 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: 65:[70, 5], Operations: ['84-75=9', '9-4=5'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[75, 4, 70, 84], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [4, 70, 9] Generated Node #0,3: 65:[4, 70, 9] Operation: 84-75=9 Moving to Node #0,3 Current State: 65:[4, 70, 9], Operations: ['84-75=9'] Exploring Operation: 9-4=5, Resulting Numbers: [70, 5] Generated Node #0,3,2: 65:[70, 5] Operation: 9-4=5 Moving to Node #0,3,2 Current State: 65:[70, 5], Operations: ['84-75=9', '9-4=5'] Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 7, 20, 26, 97 ]
80
[ "7+97=104", "20*104=2080", "2080/26=80" ]
Current State: 80:[7, 20, 26, 97], Operations: [] Exploring Operation: 7+97=104, Resulting Numbers: [20, 26, 104] Generated Node #2: [20, 26, 104] from Operation: 7+97=104 Current State: 80:[20, 26, 104], Operations: ['7+97=104'] Exploring Operation: 20*104=2080, Resulting Numbers: [26, 2080] Generated Node #3: [26, 2080] from Operation: 20*104=2080 Current State: 80:[26, 2080], Operations: ['7+97=104', '20*104=2080'] Exploring Operation: 2080/26=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[7, 20, 26, 97], Operations: [] Exploring Operation: 97-20=77, Resulting Numbers: [7, 26, 77] Generated Node #0,0: 80:[7, 26, 77] Operation: 97-20=77 Moving to Node #0,0 Current State: 80:[7, 26, 77], Operations: ['97-20=77'] Exploring Operation: 26-7=19, Resulting Numbers: [77, 19] Generated Node #0,0,0: 80:[77, 19] Operation: 26-7=19 Moving to Node #0,0,0 Current State: 80:[77, 19], Operations: ['97-20=77', '26-7=19'] Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,80 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 1, 73, 80, 65 ]
71
[ "1+73=74", "80+65=145", "145-74=71" ]
Current State: 71:[1, 73, 80, 65], Operations: [] Exploring Operation: 1+73=74, Resulting Numbers: [80, 65, 74] Generated Node #2: [80, 65, 74] from Operation: 1+73=74 Current State: 71:[80, 65, 74], Operations: ['1+73=74'] Exploring Operation: 80+65=145, Resulting Numbers: [74, 145] Generated Node #3: [74, 145] from Operation: 80+65=145 Current State: 71:[74, 145], Operations: ['1+73=74', '80+65=145'] Exploring Operation: 145-74=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[1, 73, 80, 65], Operations: [] Exploring Operation: 73-1=72, Resulting Numbers: [80, 65, 72] Generated Node #0,0: 71:[80, 65, 72] Operation: 73-1=72 Moving to Node #0,0 Current State: 71:[80, 65, 72], Operations: ['73-1=72'] Exploring Operation: 80-65=15, Resulting Numbers: [72, 15] Generated Node #0,0,0: 71:[72, 15] Operation: 80-65=15 Moving to Node #0,0,0 Current State: 71:[72, 15], Operations: ['73-1=72', '80-65=15'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,71 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 50, 89, 81, 73 ]
100
[ "89+73=162", "50*162=8100", "8100/81=100" ]
Current State: 100:[50, 89, 81, 73], Operations: [] Exploring Operation: 89+73=162, Resulting Numbers: [50, 81, 162] Generated Node #2: [50, 81, 162] from Operation: 89+73=162 Current State: 100:[50, 81, 162], Operations: ['89+73=162'] Exploring Operation: 50*162=8100, Resulting Numbers: [81, 8100] Generated Node #3: [81, 8100] from Operation: 50*162=8100 Current State: 100:[81, 8100], Operations: ['89+73=162', '50*162=8100'] Exploring Operation: 8100/81=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[50, 89, 81, 73], Operations: [] Exploring Operation: 81-73=8, Resulting Numbers: [50, 89, 8] Generated Node #0,0: 100:[50, 89, 8] Operation: 81-73=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[50, 89, 8], Operations: ['81-73=8'] Exploring Operation: 89+8=97, Resulting Numbers: [50, 97] Generated Node #0,0,0: 100:[50, 97] Operation: 89+8=97 Moving to Node #0,0,0 Current State: 100:[50, 97], Operations: ['81-73=8', '89+8=97'] Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,100 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
[ 39, 49, 10, 42 ]
58
[ "49-39=10", "10*10=100", "100-42=58" ]
Current State: 58:[39, 49, 10, 42], Operations: [] Exploring Operation: 49-39=10, Resulting Numbers: [10, 42, 10] Generated Node #2: [10, 42, 10] from Operation: 49-39=10 Current State: 58:[10, 42, 10], Operations: ['49-39=10'] Exploring Operation: 10*10=100, Resulting Numbers: [42, 100] Generated Node #3: [42, 100] from Operation: 10*10=100 Current State: 58:[42, 100], Operations: ['49-39=10', '10*10=100'] Exploring Operation: 100-42=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[39, 49, 10, 42], Operations: [] Exploring Operation: 42-39=3, Resulting Numbers: [49, 10, 3] Generated Node #0,0: 58:[49, 10, 3] Operation: 42-39=3 Exploring Operation: 42-10=32, Resulting Numbers: [39, 49, 32] Generated Node #0,1: 58:[39, 49, 32] Operation: 42-10=32 Exploring Operation: 39-10=29, Resulting Numbers: [49, 42, 29] Generated Node #0,2: 58:[49, 42, 29] Operation: 39-10=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[49, 10, 3], Operations: ['42-39=3'] Exploring Operation: 49+10=59, Resulting Numbers: [3, 59] Generated Node #0,0,0: 58:[3, 59] Operation: 49+10=59 Exploring Operation: 10*3=30, Resulting Numbers: [49, 30] Generated Node #0,0,1: 58:[49, 30] Operation: 10*3=30 Exploring Operation: 49-10=39, Resulting Numbers: [3, 39] Generated Node #0,0,2: 58:[3, 39] Operation: 49-10=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[3, 59], Operations: ['42-39=3', '49+10=59'] Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,58 unequal: No Solution Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,58 unequal: No Solution No 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: 58:[49, 30], Operations: ['42-39=3', '10*3=30'] Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,58 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,58 unequal: No Solution No 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: 58:[3, 39], Operations: ['42-39=3', '49-10=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,58 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: 58:[39, 49, 32], Operations: ['42-10=32'] Exploring Operation: 39-32=7, Resulting Numbers: [49, 7] Generated Node #0,1,0: 58:[49, 7] Operation: 39-32=7 Exploring Operation: 39+32=71, Resulting Numbers: [49, 71] Generated Node #0,1,1: 58:[49, 71] Operation: 39+32=71 Exploring Operation: 49-39=10, Resulting Numbers: [32, 10] Generated Node #0,1,2: 58:[32, 10] Operation: 49-39=10 Moving to Node #0,1,2 Current State: 58:[32, 10], Operations: ['42-10=32', '49-39=10'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[49, 7], Operations: ['42-10=32', '39-32=7'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,58 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[49, 71], Operations: ['42-10=32', '39+32=71'] Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 49*71=3479, Resulting Numbers: [3479] 3479,58 unequal: No Solution Exploring Operation: 49+71=120, Resulting Numbers: [120] 120,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[49, 42, 29], Operations: ['39-10=29'] Exploring Operation: 42-29=13, Resulting Numbers: [49, 13] Generated Node #0,2,0: 58:[49, 13] Operation: 42-29=13 Exploring Operation: 49-42=7, Resulting Numbers: [29, 7] Generated Node #0,2,1: 58:[29, 7] Operation: 49-42=7 Exploring Operation: 49-29=20, Resulting Numbers: [42, 20] Generated Node #0,2,2: 58:[42, 20] Operation: 49-29=20 Moving to Node #0,2,1 Current State: 58:[29, 7], Operations: ['39-10=29', '49-42=7'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[49, 13], Operations: ['39-10=29', '42-29=13'] Exploring Operation: 49*13=637, Resulting Numbers: [637] 637,58 unequal: No Solution Exploring Operation: 49-13=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 49+13=62, Resulting Numbers: [62] 62,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[42, 20], Operations: ['39-10=29', '49-29=20'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,58 unequal: No Solution Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 18, 3, 1, 7 ]
62
[ "18*3=54", "1+7=8", "54+8=62" ]
Current State: 62:[18, 3, 1, 7], Operations: [] Exploring Operation: 18*3=54, Resulting Numbers: [1, 7, 54] Generated Node #2: [1, 7, 54] from Operation: 18*3=54 Current State: 62:[1, 7, 54], Operations: ['18*3=54'] Exploring Operation: 1+7=8, Resulting Numbers: [54, 8] Generated Node #3: [54, 8] from Operation: 1+7=8 Current State: 62:[54, 8], Operations: ['18*3=54', '1+7=8'] Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[18, 3, 1, 7], Operations: [] Exploring Operation: 18/3=6, Resulting Numbers: [1, 7, 6] Generated Node #0,0: 62:[1, 7, 6] Operation: 18/3=6 Exploring Operation: 18*3=54, Resulting Numbers: [1, 7, 54] Generated Node #0,1: 62:[1, 7, 54] Operation: 18*3=54 Exploring Operation: 18+7=25, Resulting Numbers: [3, 1, 25] Generated Node #0,2: 62:[3, 1, 25] Operation: 18+7=25 Exploring Operation: 18-7=11, Resulting Numbers: [3, 1, 11] Generated Node #0,3: 62:[3, 1, 11] Operation: 18-7=11 Moving to Node #0,2 Current State: 62:[3, 1, 25], Operations: ['18+7=25'] Exploring Operation: 1+25=26, Resulting Numbers: [3, 26] Generated Node #0,2,0: 62:[3, 26] Operation: 1+25=26 Exploring Operation: 3*1=3, Resulting Numbers: [25, 3] Generated Node #0,2,1: 62:[25, 3] Operation: 3*1=3 Exploring Operation: 3-1=2, Resulting Numbers: [25, 2] Generated Node #0,2,2: 62:[25, 2] Operation: 3-1=2 Exploring Operation: 3+25=28, Resulting Numbers: [1, 28] Generated Node #0,2,3: 62:[1, 28] Operation: 3+25=28 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[1, 28], Operations: ['18+7=25', '3+25=28'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,62 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[3, 26], Operations: ['18+7=25', '1+25=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,62 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[25, 2], Operations: ['18+7=25', '3-1=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[25, 3], Operations: ['18+7=25', '3*1=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,62 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 62:[1, 7, 6], Operations: ['18/3=6'] Exploring Operation: 7-1=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 62:[6, 6] Operation: 7-1=6 Exploring Operation: 6-1=5, Resulting Numbers: [7, 5] Generated Node #0,0,1: 62:[7, 5] Operation: 6-1=5 Exploring Operation: 7-6=1, Resulting Numbers: [1, 1] Generated Node #0,0,2: 62:[1, 1] Operation: 7-6=1 Exploring Operation: 1*7=7, Resulting Numbers: [6, 7] Generated Node #0,0,3: 62:[6, 7] Operation: 1*7=7 Moving to Node #0,3 Current State: 62:[3, 1, 11], Operations: ['18-7=11'] Exploring Operation: 3-1=2, Resulting Numbers: [11, 2] Generated Node #0,3,0: 62:[11, 2] Operation: 3-1=2 Exploring Operation: 11-1=10, Resulting Numbers: [3, 10] Generated Node #0,3,1: 62:[3, 10] Operation: 11-1=10 Exploring Operation: 3*11=33, Resulting Numbers: [1, 33] Generated Node #0,3,2: 62:[1, 33] Operation: 3*11=33 Exploring Operation: 11-3=8, Resulting Numbers: [1, 8] Generated Node #0,3,3: 62:[1, 8] Operation: 11-3=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[1, 33], Operations: ['18-7=11', '3*11=33'] Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[1, 8], Operations: ['18-7=11', '11-3=8'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[11, 2], Operations: ['18-7=11', '3-1=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[3, 10], Operations: ['18-7=11', '11-1=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,62 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,62 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: 62:[1, 7, 54], Operations: ['18*3=54'] Exploring Operation: 1+54=55, Resulting Numbers: [7, 55] Generated Node #0,1,0: 62:[7, 55] Operation: 1+54=55 Exploring Operation: 1*7=7, Resulting Numbers: [54, 7] Generated Node #0,1,1: 62:[54, 7] Operation: 1*7=7 Exploring Operation: 7-1=6, Resulting Numbers: [54, 6] Generated Node #0,1,2: 62:[54, 6] Operation: 7-1=6 Exploring Operation: 7+54=61, Resulting Numbers: [1, 61] Generated Node #0,1,3: 62:[1, 61] Operation: 7+54=61 Moving to Node #0,0,2 Current State: 62:[1, 1], Operations: ['18/3=6', '7-6=1'] Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[1, 61], Operations: ['18*3=54', '7+54=61'] Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[18, 3, 1, 7], Operations: [] Exploring Operation: 18*3=54, Resulting Numbers: [1, 7, 54] Generated Node #0,1: 62:[1, 7, 54] Operation: 18*3=54 Moving to Node #0,1 Current State: 62:[1, 7, 54], Operations: ['18*3=54'] Exploring Operation: 7+54=61, Resulting Numbers: [1, 61] Generated Node #0,1,3: 62:[1, 61] Operation: 7+54=61 Moving to Node #0,1,3 Current State: 62:[1, 61], Operations: ['18*3=54', '7+54=61'] Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.950521
hs_4
sum_heuristic
[ 84, 86, 16, 11 ]
43
[ "86-84=2", "16*2=32", "11+32=43" ]
Current State: 43:[84, 86, 16, 11], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [16, 11, 2] Generated Node #2: [16, 11, 2] from Operation: 86-84=2 Current State: 43:[16, 11, 2], Operations: ['86-84=2'] Exploring Operation: 16*2=32, Resulting Numbers: [11, 32] Generated Node #3: [11, 32] from Operation: 16*2=32 Current State: 43:[11, 32], Operations: ['86-84=2', '16*2=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[84, 86, 16, 11], Operations: [] Exploring Operation: 84-16=68, Resulting Numbers: [86, 11, 68] Generated Node #0,0: 43:[86, 11, 68] Operation: 84-16=68 Exploring Operation: 86-84=2, Resulting Numbers: [16, 11, 2] Generated Node #0,1: 43:[16, 11, 2] Operation: 86-84=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[86, 11, 68], Operations: ['84-16=68'] Exploring Operation: 86-11=75, Resulting Numbers: [68, 75] Generated Node #0,0,0: 43:[68, 75] Operation: 86-11=75 Exploring Operation: 86-68=18, Resulting Numbers: [11, 18] Generated Node #0,0,1: 43:[11, 18] Operation: 86-68=18 Moving to Node #0,0,0 Current State: 43:[68, 75], Operations: ['84-16=68', '86-11=75'] Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 68+75=143, Resulting Numbers: [143] 143,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[11, 18], Operations: ['84-16=68', '86-68=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[16, 11, 2], Operations: ['86-84=2'] Exploring Operation: 16*2=32, Resulting Numbers: [11, 32] Generated Node #0,1,0: 43:[11, 32] Operation: 16*2=32 Exploring Operation: 11*2=22, Resulting Numbers: [16, 22] Generated Node #0,1,1: 43:[16, 22] Operation: 11*2=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[11, 32], Operations: ['86-84=2', '16*2=32'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[84, 86, 16, 11], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [16, 11, 2] Generated Node #0,1: 43:[16, 11, 2] Operation: 86-84=2 Moving to Node #0,1 Current State: 43:[16, 11, 2], Operations: ['86-84=2'] Exploring Operation: 16*2=32, Resulting Numbers: [11, 32] Generated Node #0,1,0: 43:[11, 32] Operation: 16*2=32 Moving to Node #0,1,0 Current State: 43:[11, 32], Operations: ['86-84=2', '16*2=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 37, 24, 48, 27 ]
40
[ "37+24=61", "48-27=21", "61-21=40" ]
Current State: 40:[37, 24, 48, 27], Operations: [] Exploring Operation: 37+24=61, Resulting Numbers: [48, 27, 61] Generated Node #2: [48, 27, 61] from Operation: 37+24=61 Current State: 40:[48, 27, 61], Operations: ['37+24=61'] Exploring Operation: 48-27=21, Resulting Numbers: [61, 21] Generated Node #3: [61, 21] from Operation: 48-27=21 Current State: 40:[61, 21], Operations: ['37+24=61', '48-27=21'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[37, 24, 48, 27], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [37, 24, 21] Generated Node #0,0: 40:[37, 24, 21] Operation: 48-27=21 Exploring Operation: 37-27=10, Resulting Numbers: [24, 48, 10] Generated Node #0,1: 40:[24, 48, 10] Operation: 37-27=10 Exploring Operation: 48-37=11, Resulting Numbers: [24, 27, 11] Generated Node #0,2: 40:[24, 27, 11] Operation: 48-37=11 Exploring Operation: 48/24=2, Resulting Numbers: [37, 27, 2] Generated Node #0,3: 40:[37, 27, 2] Operation: 48/24=2 Moving to Node #0,0 Current State: 40:[37, 24, 21], Operations: ['48-27=21'] Exploring Operation: 37-21=16, Resulting Numbers: [24, 16] Generated Node #0,0,0: 40:[24, 16] Operation: 37-21=16 Exploring Operation: 24+21=45, Resulting Numbers: [37, 45] Generated Node #0,0,1: 40:[37, 45] Operation: 24+21=45 Exploring Operation: 37-24=13, Resulting Numbers: [21, 13] Generated Node #0,0,2: 40:[21, 13] Operation: 37-24=13 Exploring Operation: 24-21=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 40:[37, 3] Operation: 24-21=3 Moving to Node #0,3 Current State: 40:[37, 27, 2], Operations: ['48/24=2'] Exploring Operation: 27-2=25, Resulting Numbers: [37, 25] Generated Node #0,3,0: 40:[37, 25] Operation: 27-2=25 Exploring Operation: 37-27=10, Resulting Numbers: [2, 10] Generated Node #0,3,1: 40:[2, 10] Operation: 37-27=10 Exploring Operation: 37-2=35, Resulting Numbers: [27, 35] Generated Node #0,3,2: 40:[27, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [27, 39] Generated Node #0,3,3: 40:[27, 39] Operation: 37+2=39 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 40:[2, 10], Operations: ['48/24=2', '37-27=10'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,40 unequal: No Solution No 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: 40:[37, 25], Operations: ['48/24=2', '27-2=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,40 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,40 unequal: No Solution No 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: 40:[27, 39], Operations: ['48/24=2', '37+2=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,40 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,40 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,40 unequal: No Solution No 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: 40:[27, 35], Operations: ['48/24=2', '37-2=35'] Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,40 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,40 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,40 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: 40:[24, 27, 11], Operations: ['48-37=11'] Exploring Operation: 27-24=3, Resulting Numbers: [11, 3] Generated Node #0,2,0: 40:[11, 3] Operation: 27-24=3 Exploring Operation: 27-11=16, Resulting Numbers: [24, 16] Generated Node #0,2,1: 40:[24, 16] Operation: 27-11=16 Exploring Operation: 27+11=38, Resulting Numbers: [24, 38] Generated Node #0,2,2: 40:[24, 38] Operation: 27+11=38 Exploring Operation: 24-11=13, Resulting Numbers: [27, 13] Generated Node #0,2,3: 40:[27, 13] Operation: 24-11=13 Moving to Node #0,1 Current State: 40:[24, 48, 10], Operations: ['37-27=10'] Exploring Operation: 24-10=14, Resulting Numbers: [48, 14] Generated Node #0,1,0: 40:[48, 14] Operation: 24-10=14 Exploring Operation: 48-24=24, Resulting Numbers: [10, 24] Generated Node #0,1,1: 40:[10, 24] Operation: 48-24=24 Exploring Operation: 48-10=38, Resulting Numbers: [24, 38] Generated Node #0,1,2: 40:[24, 38] Operation: 48-10=38 Exploring Operation: 48/24=2, Resulting Numbers: [10, 2] Generated Node #0,1,3: 40:[10, 2] Operation: 48/24=2 Moving to Node #0,1,3 Current State: 40:[10, 2], Operations: ['37-27=10', '48/24=2'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[11, 3], Operations: ['48-37=11', '27-24=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,40 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[37, 3], Operations: ['48-27=21', '24-21=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[37, 24, 48, 27], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [37, 24, 21] Generated Node #0,0: 40:[37, 24, 21] Operation: 48-27=21 Moving to Node #0,0 Current State: 40:[37, 24, 21], Operations: ['48-27=21'] Exploring Operation: 24-21=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 40:[37, 3] Operation: 24-21=3 Moving to Node #0,0,3 Current State: 40:[37, 3], Operations: ['48-27=21', '24-21=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.960069
hs_4
mult_heuristic
[ 43, 48, 44, 7 ]
54
[ "43+48=91", "44-7=37", "91-37=54" ]
Current State: 54:[43, 48, 44, 7], Operations: [] Exploring Operation: 43+48=91, Resulting Numbers: [44, 7, 91] Generated Node #2: [44, 7, 91] from Operation: 43+48=91 Current State: 54:[44, 7, 91], Operations: ['43+48=91'] Exploring Operation: 44-7=37, Resulting Numbers: [91, 37] Generated Node #3: [91, 37] from Operation: 44-7=37 Current State: 54:[91, 37], Operations: ['43+48=91', '44-7=37'] Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[43, 48, 44, 7], Operations: [] Exploring Operation: 48-43=5, Resulting Numbers: [44, 7, 5] Generated Node #0,0: 54:[44, 7, 5] Operation: 48-43=5 Exploring Operation: 48-44=4, Resulting Numbers: [43, 7, 4] Generated Node #0,1: 54:[43, 7, 4] Operation: 48-44=4 Exploring Operation: 44-43=1, Resulting Numbers: [48, 7, 1] Generated Node #0,2: 54:[48, 7, 1] Operation: 44-43=1 Exploring Operation: 43+7=50, Resulting Numbers: [48, 44, 50] Generated Node #0,3: 54:[48, 44, 50] Operation: 43+7=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[48, 7, 1], Operations: ['44-43=1'] Exploring Operation: 48*1=48, Resulting Numbers: [7, 48] Generated Node #0,2,0: 54:[7, 48] Operation: 48*1=48 Exploring Operation: 48+7=55, Resulting Numbers: [1, 55] Generated Node #0,2,1: 54:[1, 55] Operation: 48+7=55 Exploring Operation: 7-1=6, Resulting Numbers: [48, 6] Generated Node #0,2,2: 54:[48, 6] Operation: 7-1=6 Exploring Operation: 48+1=49, Resulting Numbers: [7, 49] Generated Node #0,2,3: 54:[7, 49] Operation: 48+1=49 Moving to Node #0,2,1 Current State: 54:[1, 55], Operations: ['44-43=1', '48+7=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[43, 48, 44, 7], Operations: [] Exploring Operation: 44-43=1, Resulting Numbers: [48, 7, 1] Generated Node #0,2: 54:[48, 7, 1] Operation: 44-43=1 Moving to Node #0,2 Current State: 54:[48, 7, 1], Operations: ['44-43=1'] Exploring Operation: 48+7=55, Resulting Numbers: [1, 55] Generated Node #0,2,1: 54:[1, 55] Operation: 48+7=55 Moving to Node #0,2,1 Current State: 54:[1, 55], Operations: ['44-43=1', '48+7=55'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 6, 8, 28, 68 ]
12
[ "8-6=2", "28*2=56", "68-56=12" ]
Current State: 12:[6, 8, 28, 68], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [28, 68, 2] Generated Node #2: [28, 68, 2] from Operation: 8-6=2 Current State: 12:[28, 68, 2], Operations: ['8-6=2'] Exploring Operation: 28*2=56, Resulting Numbers: [68, 56] Generated Node #3: [68, 56] from Operation: 28*2=56 Current State: 12:[68, 56], Operations: ['8-6=2', '28*2=56'] Exploring Operation: 68-56=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 8, 28, 68], Operations: [] Exploring Operation: 68-28=40, Resulting Numbers: [6, 8, 40] Generated Node #0,0: 12:[6, 8, 40] Operation: 68-28=40 Exploring Operation: 28-8=20, Resulting Numbers: [6, 68, 20] Generated Node #0,1: 12:[6, 68, 20] Operation: 28-8=20 Moving to Node #0,0 Current State: 12:[6, 8, 40], Operations: ['68-28=40'] Exploring Operation: 40-8=32, Resulting Numbers: [6, 32] Generated Node #0,0,0: 12:[6, 32] Operation: 40-8=32 Exploring Operation: 40/8=5, Resulting Numbers: [6, 5] Generated Node #0,0,1: 12:[6, 5] Operation: 40/8=5 Moving to Node #0,1 Current State: 12:[6, 68, 20], Operations: ['28-8=20'] Exploring Operation: 68-20=48, Resulting Numbers: [6, 48] Generated Node #0,1,0: 12:[6, 48] Operation: 68-20=48 Exploring Operation: 68-6=62, Resulting Numbers: [20, 62] Generated Node #0,1,1: 12:[20, 62] Operation: 68-6=62 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[6, 48], Operations: ['28-8=20', '68-20=48'] Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[20, 62], Operations: ['28-8=20', '68-6=62'] Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,12 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: 12:[6, 5], Operations: ['68-28=40', '40/8=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[6, 32], Operations: ['68-28=40', '40-8=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,12 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 30, 3, 71, 57 ]
100
[ "30+57=87", "87/3=29", "71+29=100" ]
Current State: 100:[30, 3, 71, 57], Operations: [] Exploring Operation: 30+57=87, Resulting Numbers: [3, 71, 87] Generated Node #2: [3, 71, 87] from Operation: 30+57=87 Current State: 100:[3, 71, 87], Operations: ['30+57=87'] Exploring Operation: 87/3=29, Resulting Numbers: [71, 29] Generated Node #3: [71, 29] from Operation: 87/3=29 Current State: 100:[71, 29], Operations: ['30+57=87', '87/3=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[30, 3, 71, 57], Operations: [] Exploring Operation: 30+71=101, Resulting Numbers: [3, 57, 101] Generated Node #0,0: 100:[3, 57, 101] Operation: 30+71=101 Moving to Node #0,0 Current State: 100:[3, 57, 101], Operations: ['30+71=101'] Exploring Operation: 57/3=19, Resulting Numbers: [101, 19] Generated Node #0,0,0: 100:[101, 19] Operation: 57/3=19 Moving to Node #0,0,0 Current State: 100:[101, 19], Operations: ['30+71=101', '57/3=19'] Exploring Operation: 101-19=82, Resulting Numbers: [82] 82,100 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 83, 11, 95, 82 ]
81
[ "83+11=94", "95-82=13", "94-13=81" ]
Current State: 81:[83, 11, 95, 82], Operations: [] Exploring Operation: 83+11=94, Resulting Numbers: [95, 82, 94] Generated Node #2: [95, 82, 94] from Operation: 83+11=94 Current State: 81:[95, 82, 94], Operations: ['83+11=94'] Exploring Operation: 95-82=13, Resulting Numbers: [94, 13] Generated Node #3: [94, 13] from Operation: 95-82=13 Current State: 81:[94, 13], Operations: ['83+11=94', '95-82=13'] Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 11, 95, 82], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [11, 82, 12] Generated Node #0,0: 81:[11, 82, 12] Operation: 95-83=12 Exploring Operation: 95-82=13, Resulting Numbers: [83, 11, 13] Generated Node #0,1: 81:[83, 11, 13] Operation: 95-82=13 Exploring Operation: 95-11=84, Resulting Numbers: [83, 82, 84] Generated Node #0,2: 81:[83, 82, 84] Operation: 95-11=84 Exploring Operation: 83-82=1, Resulting Numbers: [11, 95, 1] Generated Node #0,3: 81:[11, 95, 1] Operation: 83-82=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[11, 82, 12], Operations: ['95-83=12'] Exploring Operation: 82-11=71, Resulting Numbers: [12, 71] Generated Node #0,0,0: 81:[12, 71] Operation: 82-11=71 Exploring Operation: 82-12=70, Resulting Numbers: [11, 70] Generated Node #0,0,1: 81:[11, 70] Operation: 82-12=70 Exploring Operation: 11+12=23, Resulting Numbers: [82, 23] Generated Node #0,0,2: 81:[82, 23] Operation: 11+12=23 Exploring Operation: 12-11=1, Resulting Numbers: [82, 1] Generated Node #0,0,3: 81:[82, 1] Operation: 12-11=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[82, 1], Operations: ['95-83=12', '12-11=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[83, 11, 95, 82], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [11, 82, 12] Generated Node #0,0: 81:[11, 82, 12] Operation: 95-83=12 Moving to Node #0,0 Current State: 81:[11, 82, 12], Operations: ['95-83=12'] Exploring Operation: 12-11=1, Resulting Numbers: [82, 1] Generated Node #0,0,3: 81:[82, 1] Operation: 12-11=1 Moving to Node #0,0,3 Current State: 81:[82, 1], Operations: ['95-83=12', '12-11=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 89, 82, 56, 9 ]
75
[ "89+82=171", "171/9=19", "56+19=75" ]
Current State: 75:[89, 82, 56, 9], Operations: [] Exploring Operation: 89+82=171, Resulting Numbers: [56, 9, 171] Generated Node #2: [56, 9, 171] from Operation: 89+82=171 Current State: 75:[56, 9, 171], Operations: ['89+82=171'] Exploring Operation: 171/9=19, Resulting Numbers: [56, 19] Generated Node #3: [56, 19] from Operation: 171/9=19 Current State: 75:[56, 19], Operations: ['89+82=171', '171/9=19'] Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[89, 82, 56, 9], Operations: [] Exploring Operation: 89-56=33, Resulting Numbers: [82, 9, 33] Generated Node #0,0: 75:[82, 9, 33] Operation: 89-56=33 Exploring Operation: 82-56=26, Resulting Numbers: [89, 9, 26] Generated Node #0,1: 75:[89, 9, 26] Operation: 82-56=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[82, 9, 33], Operations: ['89-56=33'] Exploring Operation: 33-9=24, Resulting Numbers: [82, 24] Generated Node #0,0,0: 75:[82, 24] Operation: 33-9=24 Exploring Operation: 82-9=73, Resulting Numbers: [33, 73] Generated Node #0,0,1: 75:[33, 73] Operation: 82-9=73 Moving to Node #0,0,0 Current State: 75:[82, 24], Operations: ['89-56=33', '33-9=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[33, 73], Operations: ['89-56=33', '82-9=73'] Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[89, 9, 26], Operations: ['82-56=26'] Exploring Operation: 89-26=63, Resulting Numbers: [9, 63] Generated Node #0,1,0: 75:[9, 63] Operation: 89-26=63 Exploring Operation: 89-9=80, Resulting Numbers: [26, 80] Generated Node #0,1,1: 75:[26, 80] Operation: 89-9=80 Moving to Node #0,1,1 Current State: 75:[26, 80], Operations: ['82-56=26', '89-9=80'] Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[9, 63], Operations: ['82-56=26', '89-26=63'] Exploring Operation: 9+63=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,75 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
[ 4, 24, 17, 67 ]
90
[ "24/4=6", "17+67=84", "6+84=90" ]
Current State: 90:[4, 24, 17, 67], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [17, 67, 6] Generated Node #2: [17, 67, 6] from Operation: 24/4=6 Current State: 90:[17, 67, 6], Operations: ['24/4=6'] Exploring Operation: 17+67=84, Resulting Numbers: [6, 84] Generated Node #3: [6, 84] from Operation: 17+67=84 Current State: 90:[6, 84], Operations: ['24/4=6', '17+67=84'] Exploring Operation: 6+84=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[4, 24, 17, 67], Operations: [] Exploring Operation: 24+67=91, Resulting Numbers: [4, 17, 91] Generated Node #0,0: 90:[4, 17, 91] Operation: 24+67=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[4, 17, 91], Operations: ['24+67=91'] Exploring Operation: 17-4=13, Resulting Numbers: [91, 13] Generated Node #0,0,0: 90:[91, 13] Operation: 17-4=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[91, 13], Operations: ['24+67=91', '17-4=13'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,90 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_1
mult_heuristic
[ 16, 35, 9, 81 ]
42
[ "16+35=51", "81/9=9", "51-9=42" ]
Current State: 42:[16, 35, 9, 81], Operations: [] Exploring Operation: 16+35=51, Resulting Numbers: [9, 81, 51] Generated Node #2: [9, 81, 51] from Operation: 16+35=51 Current State: 42:[9, 81, 51], Operations: ['16+35=51'] Exploring Operation: 81/9=9, Resulting Numbers: [51, 9] Generated Node #3: [51, 9] from Operation: 81/9=9 Current State: 42:[51, 9], Operations: ['16+35=51', '81/9=9'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[16, 35, 9, 81], Operations: [] Exploring Operation: 81-35=46, Resulting Numbers: [16, 9, 46] Generated Node #0,0: 42:[16, 9, 46] Operation: 81-35=46 Exploring Operation: 81-9=72, Resulting Numbers: [16, 35, 72] Generated Node #0,1: 42:[16, 35, 72] Operation: 81-9=72 Exploring Operation: 81-16=65, Resulting Numbers: [35, 9, 65] Generated Node #0,2: 42:[35, 9, 65] Operation: 81-16=65 Exploring Operation: 81/9=9, Resulting Numbers: [16, 35, 9] Generated Node #0,3: 42:[16, 35, 9] Operation: 81/9=9 Moving to Node #0,0 Current State: 42:[16, 9, 46], Operations: ['81-35=46'] Exploring Operation: 46-9=37, Resulting Numbers: [16, 37] Generated Node #0,0,0: 42:[16, 37] Operation: 46-9=37 Exploring Operation: 46-16=30, Resulting Numbers: [9, 30] Generated Node #0,0,1: 42:[9, 30] Operation: 46-16=30 Exploring Operation: 16+9=25, Resulting Numbers: [46, 25] Generated Node #0,0,2: 42:[46, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [46, 7] Generated Node #0,0,3: 42:[46, 7] Operation: 16-9=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 42:[46, 7], Operations: ['81-35=46', '16-9=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 46*7=322, Resulting Numbers: [322] 322,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[16, 37], Operations: ['81-35=46', '46-9=37'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[46, 25], Operations: ['81-35=46', '16+9=25'] Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,42 unequal: No Solution Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,42 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[9, 30], Operations: ['81-35=46', '46-16=30'] Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,42 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: 42:[16, 35, 9], Operations: ['81/9=9'] Exploring Operation: 35+9=44, Resulting Numbers: [16, 44] Generated Node #0,3,0: 42:[16, 44] Operation: 35+9=44 Exploring Operation: 35-9=26, Resulting Numbers: [16, 26] Generated Node #0,3,1: 42:[16, 26] Operation: 35-9=26 Exploring Operation: 16-9=7, Resulting Numbers: [35, 7] Generated Node #0,3,2: 42:[35, 7] Operation: 16-9=7 Exploring Operation: 35-16=19, Resulting Numbers: [9, 19] Generated Node #0,3,3: 42:[9, 19] Operation: 35-16=19 Moving to Node #0,2 Current State: 42:[35, 9, 65], Operations: ['81-16=65'] Exploring Operation: 35+9=44, Resulting Numbers: [65, 44] Generated Node #0,2,0: 42:[65, 44] Operation: 35+9=44 Exploring Operation: 35-9=26, Resulting Numbers: [65, 26] Generated Node #0,2,1: 42:[65, 26] Operation: 35-9=26 Exploring Operation: 65-9=56, Resulting Numbers: [35, 56] Generated Node #0,2,2: 42:[35, 56] Operation: 65-9=56 Exploring Operation: 65-35=30, Resulting Numbers: [9, 30] Generated Node #0,2,3: 42:[9, 30] Operation: 65-35=30 Moving to Node #0,1 Current State: 42:[16, 35, 72], Operations: ['81-9=72'] Exploring Operation: 16+35=51, Resulting Numbers: [72, 51] Generated Node #0,1,0: 42:[72, 51] Operation: 16+35=51 Exploring Operation: 72-16=56, Resulting Numbers: [35, 56] Generated Node #0,1,1: 42:[35, 56] Operation: 72-16=56 Exploring Operation: 35-16=19, Resulting Numbers: [72, 19] Generated Node #0,1,2: 42:[72, 19] Operation: 35-16=19 Exploring Operation: 72-35=37, Resulting Numbers: [16, 37] Generated Node #0,1,3: 42:[16, 37] Operation: 72-35=37 Moving to Node #0,3,0 Current State: 42:[16, 44], Operations: ['81/9=9', '35+9=44'] Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,42 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[9, 19], Operations: ['81/9=9', '35-16=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,42 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[16, 26], Operations: ['81/9=9', '35-9=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[16, 35, 9, 81], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [16, 35, 9] Generated Node #0,3: 42:[16, 35, 9] Operation: 81/9=9 Moving to Node #0,3 Current State: 42:[16, 35, 9], Operations: ['81/9=9'] Exploring Operation: 35-9=26, Resulting Numbers: [16, 26] Generated Node #0,3,1: 42:[16, 26] Operation: 35-9=26 Moving to Node #0,3,1 Current State: 42:[16, 26], Operations: ['81/9=9', '35-9=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.962674
hs_4
mult_heuristic
[ 6, 8, 84, 27 ]
59
[ "8-6=2", "84-27=57", "2+57=59" ]
Current State: 59:[6, 8, 84, 27], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [84, 27, 2] Generated Node #2: [84, 27, 2] from Operation: 8-6=2 Current State: 59:[84, 27, 2], Operations: ['8-6=2'] Exploring Operation: 84-27=57, Resulting Numbers: [2, 57] Generated Node #3: [2, 57] from Operation: 84-27=57 Current State: 59:[2, 57], Operations: ['8-6=2', '84-27=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[6, 8, 84, 27], Operations: [] Exploring Operation: 84-6=78, Resulting Numbers: [8, 27, 78] Generated Node #0,0: 59:[8, 27, 78] Operation: 84-6=78 Exploring Operation: 6*8=48, Resulting Numbers: [84, 27, 48] Generated Node #0,1: 59:[84, 27, 48] Operation: 6*8=48 Exploring Operation: 6+8=14, Resulting Numbers: [84, 27, 14] Generated Node #0,2: 59:[84, 27, 14] Operation: 6+8=14 Moving to Node #0,1 Current State: 59:[84, 27, 48], Operations: ['6*8=48'] Exploring Operation: 84-27=57, Resulting Numbers: [48, 57] Generated Node #0,1,0: 59:[48, 57] Operation: 84-27=57 Exploring Operation: 84-48=36, Resulting Numbers: [27, 36] Generated Node #0,1,1: 59:[27, 36] Operation: 84-48=36 Exploring Operation: 27+48=75, Resulting Numbers: [84, 75] Generated Node #0,1,2: 59:[84, 75] Operation: 27+48=75 Moving to Node #0,0 Current State: 59:[8, 27, 78], Operations: ['84-6=78'] Exploring Operation: 78-8=70, Resulting Numbers: [27, 70] Generated Node #0,0,0: 59:[27, 70] Operation: 78-8=70 Exploring Operation: 27-8=19, Resulting Numbers: [78, 19] Generated Node #0,0,1: 59:[78, 19] Operation: 27-8=19 Exploring Operation: 8+27=35, Resulting Numbers: [78, 35] Generated Node #0,0,2: 59:[78, 35] Operation: 8+27=35 Moving to Node #0,2 Current State: 59:[84, 27, 14], Operations: ['6+8=14'] Exploring Operation: 84-27=57, Resulting Numbers: [14, 57] Generated Node #0,2,0: 59:[14, 57] Operation: 84-27=57 Exploring Operation: 84-14=70, Resulting Numbers: [27, 70] Generated Node #0,2,1: 59:[27, 70] Operation: 84-14=70 Exploring Operation: 27+14=41, Resulting Numbers: [84, 41] Generated Node #0,2,2: 59:[84, 41] Operation: 27+14=41 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[27, 70], Operations: ['6+8=14', '84-14=70'] Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,59 unequal: No Solution Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,59 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 #0,2,2 Current State: 59:[84, 41], Operations: ['6+8=14', '27+14=41'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,59 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,59 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,59 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 #0,2,0 Current State: 59:[14, 57], Operations: ['6+8=14', '84-27=57'] Exploring Operation: 14*57=798, Resulting Numbers: [798] 798,59 unequal: No Solution Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,59 unequal: No Solution Exploring Operation: 14+57=71, Resulting Numbers: [71] 71,59 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: 59:[48, 57], Operations: ['6*8=48', '84-27=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,59 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,59 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[84, 75], Operations: ['6*8=48', '27+48=75'] Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 84*75=6300, Resulting Numbers: [6300] 6300,59 unequal: No Solution Exploring Operation: 84+75=159, Resulting Numbers: [159] 159,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[78, 35], Operations: ['84-6=78', '8+27=35'] Exploring Operation: 78+35=113, Resulting Numbers: [113] 113,59 unequal: No Solution Exploring Operation: 78*35=2730, Resulting Numbers: [2730] 2730,59 unequal: No Solution Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[27, 70], Operations: ['84-6=78', '78-8=70'] Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,59 unequal: No Solution Exploring Operation: 27*70=1890, Resulting Numbers: [1890] 1890,59 unequal: No Solution Exploring Operation: 27+70=97, Resulting Numbers: [97] 97,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[27, 36], Operations: ['6*8=48', '84-48=36'] Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,59 unequal: No Solution Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,59 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[78, 19], Operations: ['84-6=78', '27-8=19'] Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,59 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[6, 8, 84, 27], Operations: [] Exploring Operation: 84-6=78, Resulting Numbers: [8, 27, 78] Generated Node #0,0: 59:[8, 27, 78] Operation: 84-6=78 Moving to Node #0,0 Current State: 59:[8, 27, 78], Operations: ['84-6=78'] Exploring Operation: 27-8=19, Resulting Numbers: [78, 19] Generated Node #0,0,1: 59:[78, 19] Operation: 27-8=19 Moving to Node #0,0,1 Current State: 59:[78, 19], Operations: ['84-6=78', '27-8=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.962674
hs_3
mult_heuristic
[ 7, 2, 83, 75 ]
54
[ "83-75=8", "7*8=56", "56-2=54" ]
Current State: 54:[7, 2, 83, 75], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [7, 2, 8] Generated Node #2: [7, 2, 8] from Operation: 83-75=8 Current State: 54:[7, 2, 8], Operations: ['83-75=8'] Exploring Operation: 7*8=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 7*8=56 Current State: 54:[2, 56], Operations: ['83-75=8', '7*8=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[7, 2, 83, 75], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [7, 2, 8] Generated Node #0,0: 54:[7, 2, 8] Operation: 83-75=8 Moving to Node #0,0 Current State: 54:[7, 2, 8], Operations: ['83-75=8'] Exploring Operation: 7+2=9, Resulting Numbers: [8, 9] Generated Node #0,0,0: 54:[8, 9] Operation: 7+2=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[8, 9], Operations: ['83-75=8', '7+2=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 49, 75, 62, 17 ]
71
[ "75-49=26", "62-17=45", "26+45=71" ]
Current State: 71:[49, 75, 62, 17], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [62, 17, 26] Generated Node #2: [62, 17, 26] from Operation: 75-49=26 Current State: 71:[62, 17, 26], Operations: ['75-49=26'] Exploring Operation: 62-17=45, Resulting Numbers: [26, 45] Generated Node #3: [26, 45] from Operation: 62-17=45 Current State: 71:[26, 45], Operations: ['75-49=26', '62-17=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[49, 75, 62, 17], Operations: [] Exploring Operation: 49+17=66, Resulting Numbers: [75, 62, 66] Generated Node #0,0: 71:[75, 62, 66] Operation: 49+17=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[75, 62, 66], Operations: ['49+17=66'] Exploring Operation: 62+66=128, Resulting Numbers: [75, 128] Generated Node #0,0,0: 71:[75, 128] Operation: 62+66=128 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[75, 128], Operations: ['49+17=66', '62+66=128'] Exploring Operation: 128-75=53, Resulting Numbers: [53] 53,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 9, 36, 13, 47 ]
45
[ "9*47=423", "36*13=468", "468-423=45" ]
Current State: 45:[9, 36, 13, 47], Operations: [] Exploring Operation: 9*47=423, Resulting Numbers: [36, 13, 423] Generated Node #2: [36, 13, 423] from Operation: 9*47=423 Current State: 45:[36, 13, 423], Operations: ['9*47=423'] Exploring Operation: 36*13=468, Resulting Numbers: [423, 468] Generated Node #3: [423, 468] from Operation: 36*13=468 Current State: 45:[423, 468], Operations: ['9*47=423', '36*13=468'] Exploring Operation: 468-423=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[9, 36, 13, 47], Operations: [] Exploring Operation: 9+36=45, Resulting Numbers: [13, 47, 45] Generated Node #0,0: 45:[13, 47, 45] Operation: 9+36=45 Moving to Node #0,0 Current State: 45:[13, 47, 45], Operations: ['9+36=45'] Exploring Operation: 47-45=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 45:[13, 2] Operation: 47-45=2 Moving to Node #0,0,0 Current State: 45:[13, 2], Operations: ['9+36=45', '47-45=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 40, 2, 25, 13 ]
76
[ "40-2=38", "25+13=38", "38+38=76" ]
Current State: 76:[40, 2, 25, 13], Operations: [] Exploring Operation: 40-2=38, Resulting Numbers: [25, 13, 38] Generated Node #2: [25, 13, 38] from Operation: 40-2=38 Current State: 76:[25, 13, 38], Operations: ['40-2=38'] Exploring Operation: 25+13=38, Resulting Numbers: [38, 38] Generated Node #3: [38, 38] from Operation: 25+13=38 Current State: 76:[38, 38], Operations: ['40-2=38', '25+13=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[40, 2, 25, 13], Operations: [] Exploring Operation: 25-13=12, Resulting Numbers: [40, 2, 12] Generated Node #0,0: 76:[40, 2, 12] Operation: 25-13=12 Exploring Operation: 40-25=15, Resulting Numbers: [2, 13, 15] Generated Node #0,1: 76:[2, 13, 15] Operation: 40-25=15 Exploring Operation: 25+13=38, Resulting Numbers: [40, 2, 38] Generated Node #0,2: 76:[40, 2, 38] Operation: 25+13=38 Moving to Node #0,2 Current State: 76:[40, 2, 38], Operations: ['25+13=38'] Exploring Operation: 40-2=38, Resulting Numbers: [38, 38] Generated Node #0,2,0: 76:[38, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [38, 20] Generated Node #0,2,1: 76:[38, 20] Operation: 40/2=20 Exploring Operation: 40-38=2, Resulting Numbers: [2, 2] Generated Node #0,2,2: 76:[2, 2] Operation: 40-38=2 Moving to Node #0,0 Current State: 76:[40, 2, 12], Operations: ['25-13=12'] Exploring Operation: 2+12=14, Resulting Numbers: [40, 14] Generated Node #0,0,0: 76:[40, 14] Operation: 2+12=14 Exploring Operation: 40-2=38, Resulting Numbers: [12, 38] Generated Node #0,0,1: 76:[12, 38] Operation: 40-2=38 Exploring Operation: 12/2=6, Resulting Numbers: [40, 6] Generated Node #0,0,2: 76:[40, 6] Operation: 12/2=6 Moving to Node #0,1 Current State: 76:[2, 13, 15], Operations: ['40-25=15'] Exploring Operation: 2+15=17, Resulting Numbers: [13, 17] Generated Node #0,1,0: 76:[13, 17] Operation: 2+15=17 Exploring Operation: 2+13=15, Resulting Numbers: [15, 15] Generated Node #0,1,1: 76:[15, 15] Operation: 2+13=15 Exploring Operation: 15-13=2, Resulting Numbers: [2, 2] Generated Node #0,1,2: 76:[2, 2] Operation: 15-13=2 Moving to Node #0,2,0 Current State: 76:[38, 38], Operations: ['25+13=38', '40-2=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[40, 2, 25, 13], Operations: [] Exploring Operation: 25+13=38, Resulting Numbers: [40, 2, 38] Generated Node #0,2: 76:[40, 2, 38] Operation: 25+13=38 Moving to Node #0,2 Current State: 76:[40, 2, 38], Operations: ['25+13=38'] Exploring Operation: 40-2=38, Resulting Numbers: [38, 38] Generated Node #0,2,0: 76:[38, 38] Operation: 40-2=38 Moving to Node #0,2,0 Current State: 76:[38, 38], Operations: ['25+13=38', '40-2=38'] Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 78, 44, 97, 48 ]
76
[ "97-78=19", "48-44=4", "19*4=76" ]
Current State: 76:[78, 44, 97, 48], Operations: [] Exploring Operation: 97-78=19, Resulting Numbers: [44, 48, 19] Generated Node #2: [44, 48, 19] from Operation: 97-78=19 Current State: 76:[44, 48, 19], Operations: ['97-78=19'] Exploring Operation: 48-44=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 48-44=4 Current State: 76:[19, 4], Operations: ['97-78=19', '48-44=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[78, 44, 97, 48], Operations: [] Exploring Operation: 97-78=19, Resulting Numbers: [44, 48, 19] Generated Node #0,0: 76:[44, 48, 19] Operation: 97-78=19 Exploring Operation: 97-48=49, Resulting Numbers: [78, 44, 49] Generated Node #0,1: 76:[78, 44, 49] Operation: 97-48=49 Exploring Operation: 48-44=4, Resulting Numbers: [78, 97, 4] Generated Node #0,2: 76:[78, 97, 4] Operation: 48-44=4 Moving to Node #0,0 Current State: 76:[44, 48, 19], Operations: ['97-78=19'] Exploring Operation: 48+19=67, Resulting Numbers: [44, 67] Generated Node #0,0,0: 76:[44, 67] Operation: 48+19=67 Exploring Operation: 48-44=4, Resulting Numbers: [19, 4] Generated Node #0,0,1: 76:[19, 4] Operation: 48-44=4 Exploring Operation: 48-19=29, Resulting Numbers: [44, 29] Generated Node #0,0,2: 76:[44, 29] Operation: 48-19=29 Moving to Node #0,1 Current State: 76:[78, 44, 49], Operations: ['97-48=49'] Exploring Operation: 78-44=34, Resulting Numbers: [49, 34] Generated Node #0,1,0: 76:[49, 34] Operation: 78-44=34 Exploring Operation: 78-49=29, Resulting Numbers: [44, 29] Generated Node #0,1,1: 76:[44, 29] Operation: 78-49=29 Exploring Operation: 49-44=5, Resulting Numbers: [78, 5] Generated Node #0,1,2: 76:[78, 5] Operation: 49-44=5 Moving to Node #0,2 Current State: 76:[78, 97, 4], Operations: ['48-44=4'] Exploring Operation: 78-4=74, Resulting Numbers: [97, 74] Generated Node #0,2,0: 76:[97, 74] Operation: 78-4=74 Exploring Operation: 97-4=93, Resulting Numbers: [78, 93] Generated Node #0,2,1: 76:[78, 93] Operation: 97-4=93 Exploring Operation: 97-78=19, Resulting Numbers: [4, 19] Generated Node #0,2,2: 76:[4, 19] Operation: 97-78=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[4, 19], Operations: ['48-44=4', '97-78=19'] Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[78, 44, 97, 48], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [78, 97, 4] Generated Node #0,2: 76:[78, 97, 4] Operation: 48-44=4 Moving to Node #0,2 Current State: 76:[78, 97, 4], Operations: ['48-44=4'] Exploring Operation: 97-78=19, Resulting Numbers: [4, 19] Generated Node #0,2,2: 76:[4, 19] Operation: 97-78=19 Moving to Node #0,2,2 Current State: 76:[4, 19], Operations: ['48-44=4', '97-78=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 30, 93, 51, 36 ]
78
[ "93-30=63", "51-36=15", "63+15=78" ]
Current State: 78:[30, 93, 51, 36], Operations: [] Exploring Operation: 93-30=63, Resulting Numbers: [51, 36, 63] Generated Node #2: [51, 36, 63] from Operation: 93-30=63 Current State: 78:[51, 36, 63], Operations: ['93-30=63'] Exploring Operation: 51-36=15, Resulting Numbers: [63, 15] Generated Node #3: [63, 15] from Operation: 51-36=15 Current State: 78:[63, 15], Operations: ['93-30=63', '51-36=15'] Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[30, 93, 51, 36], Operations: [] Exploring Operation: 93-51=42, Resulting Numbers: [30, 36, 42] Generated Node #0,0: 78:[30, 36, 42] Operation: 93-51=42 Exploring Operation: 51-30=21, Resulting Numbers: [93, 36, 21] Generated Node #0,1: 78:[93, 36, 21] Operation: 51-30=21 Exploring Operation: 51-36=15, Resulting Numbers: [30, 93, 15] Generated Node #0,2: 78:[30, 93, 15] Operation: 51-36=15 Exploring Operation: 30+51=81, Resulting Numbers: [93, 36, 81] Generated Node #0,3: 78:[93, 36, 81] Operation: 30+51=81 Moving to Node #0,0 Current State: 78:[30, 36, 42], Operations: ['93-51=42'] Exploring Operation: 36-30=6, Resulting Numbers: [42, 6] Generated Node #0,0,0: 78:[42, 6] Operation: 36-30=6 Exploring Operation: 42-30=12, Resulting Numbers: [36, 12] Generated Node #0,0,1: 78:[36, 12] Operation: 42-30=12 Exploring Operation: 36+42=78, Resulting Numbers: [30, 78] Generated Node #0,0,2: 78:[30, 78] Operation: 36+42=78 Exploring Operation: 42-36=6, Resulting Numbers: [30, 6] Generated Node #0,0,3: 78:[30, 6] Operation: 42-36=6 Moving to Node #0,3 Current State: 78:[93, 36, 81], Operations: ['30+51=81'] Exploring Operation: 93+36=129, Resulting Numbers: [81, 129] Generated Node #0,3,0: 78:[81, 129] Operation: 93+36=129 Exploring Operation: 93-81=12, Resulting Numbers: [36, 12] Generated Node #0,3,1: 78:[36, 12] Operation: 93-81=12 Exploring Operation: 93-36=57, Resulting Numbers: [81, 57] Generated Node #0,3,2: 78:[81, 57] Operation: 93-36=57 Exploring Operation: 81-36=45, Resulting Numbers: [93, 45] Generated Node #0,3,3: 78:[93, 45] Operation: 81-36=45 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[36, 12], Operations: ['30+51=81', '93-81=12'] Exploring Operation: 36+12=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 36*12=432, Resulting Numbers: [432] 432,78 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[81, 57], Operations: ['30+51=81', '93-36=57'] Exploring Operation: 81*57=4617, Resulting Numbers: [4617] 4617,78 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 81+57=138, Resulting Numbers: [138] 138,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[93, 45], Operations: ['30+51=81', '81-36=45'] Exploring Operation: 93+45=138, Resulting Numbers: [138] 138,78 unequal: No Solution Exploring Operation: 93*45=4185, Resulting Numbers: [4185] 4185,78 unequal: No Solution Exploring Operation: 93-45=48, Resulting Numbers: [48] 48,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[81, 129], Operations: ['30+51=81', '93+36=129'] Exploring Operation: 129-81=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 81+129=210, Resulting Numbers: [210] 210,78 unequal: No Solution Exploring Operation: 81*129=10449, Resulting Numbers: [10449] 10449,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 78:[30, 93, 15], Operations: ['51-36=15'] Exploring Operation: 93-30=63, Resulting Numbers: [15, 63] Generated Node #0,2,0: 78:[15, 63] Operation: 93-30=63 Exploring Operation: 30-15=15, Resulting Numbers: [93, 15] Generated Node #0,2,1: 78:[93, 15] Operation: 30-15=15 Exploring Operation: 93-15=78, Resulting Numbers: [30, 78] Generated Node #0,2,2: 78:[30, 78] Operation: 93-15=78 Exploring Operation: 30/15=2, Resulting Numbers: [93, 2] Generated Node #0,2,3: 78:[93, 2] Operation: 30/15=2 Moving to Node #0,1 Current State: 78:[93, 36, 21], Operations: ['51-30=21'] Exploring Operation: 93-21=72, Resulting Numbers: [36, 72] Generated Node #0,1,0: 78:[36, 72] Operation: 93-21=72 Exploring Operation: 36-21=15, Resulting Numbers: [93, 15] Generated Node #0,1,1: 78:[93, 15] Operation: 36-21=15 Exploring Operation: 36+21=57, Resulting Numbers: [93, 57] Generated Node #0,1,2: 78:[93, 57] Operation: 36+21=57 Exploring Operation: 93-36=57, Resulting Numbers: [21, 57] Generated Node #0,1,3: 78:[21, 57] Operation: 93-36=57 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[36, 72], Operations: ['51-30=21', '93-21=72'] Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,78 unequal: No Solution Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,78 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,78 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[93, 15], Operations: ['51-30=21', '36-21=15'] Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,78 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[30, 93, 51, 36], Operations: [] Exploring Operation: 51-30=21, Resulting Numbers: [93, 36, 21] Generated Node #0,1: 78:[93, 36, 21] Operation: 51-30=21 Moving to Node #0,1 Current State: 78:[93, 36, 21], Operations: ['51-30=21'] Exploring Operation: 36-21=15, Resulting Numbers: [93, 15] Generated Node #0,1,1: 78:[93, 15] Operation: 36-21=15 Moving to Node #0,1,1 Current State: 78:[93, 15], Operations: ['51-30=21', '36-21=15'] Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_4
sum_heuristic
[ 80, 38, 11, 38 ]
15
[ "80-38=42", "38-11=27", "42-27=15" ]
Current State: 15:[80, 38, 11, 38], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [11, 42] Generated Node #2: [11, 42] from Operation: 80-38=42 Current State: 15:[11, 42], Operations: ['80-38=42'] Exploring Operation: 38-11=27, Resulting Numbers: [42, 27] Generated Node #3: [42, 27] from Operation: 38-11=27 Current State: 15:[42, 27], Operations: ['80-38=42', '38-11=27'] Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[80, 38, 11, 38], Operations: [] Exploring Operation: 38/38=1, Resulting Numbers: [80, 11, 1] Generated Node #0,0: 15:[80, 11, 1] Operation: 38/38=1 Exploring Operation: 80-38=42, Resulting Numbers: [38, 11, 42] Generated Node #0,1: 15:[38, 11, 42] Operation: 80-38=42 Exploring Operation: 80-11=69, Resulting Numbers: [38, 38, 69] Generated Node #0,2: 15:[38, 38, 69] Operation: 80-11=69 Exploring Operation: 80-38=42, Resulting Numbers: [11, 38, 42] Generated Node #0,3: 15:[11, 38, 42] Operation: 80-38=42 Exploring Operation: 38-38=0, Resulting Numbers: [80, 11, 0] Generated Node #0,4: 15:[80, 11, 0] Operation: 38-38=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[38, 11, 42], Operations: ['80-38=42'] Exploring Operation: 42-38=4, Resulting Numbers: [11, 4] Generated Node #0,1,0: 15:[11, 4] Operation: 42-38=4 Exploring Operation: 42-11=31, Resulting Numbers: [38, 31] Generated Node #0,1,1: 15:[38, 31] Operation: 42-11=31 Exploring Operation: 38-11=27, Resulting Numbers: [42, 27] Generated Node #0,1,2: 15:[42, 27] Operation: 38-11=27 Exploring Operation: 38+11=49, Resulting Numbers: [42, 49] Generated Node #0,1,3: 15:[42, 49] Operation: 38+11=49 Exploring Operation: 11+42=53, Resulting Numbers: [38, 53] Generated Node #0,1,4: 15:[38, 53] Operation: 11+42=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[11, 4], Operations: ['80-38=42', '42-38=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[80, 38, 11, 38], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [38, 11, 42] Generated Node #0,1: 15:[38, 11, 42] Operation: 80-38=42 Moving to Node #0,1 Current State: 15:[38, 11, 42], Operations: ['80-38=42'] Exploring Operation: 42-38=4, Resulting Numbers: [11, 4] Generated Node #0,1,0: 15:[11, 4] Operation: 42-38=4 Moving to Node #0,1,0 Current State: 15:[11, 4], Operations: ['80-38=42', '42-38=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 61, 4, 47, 4 ]
14
[ "61+4=65", "47+4=51", "65-51=14" ]
Current State: 14:[61, 4, 47, 4], Operations: [] Exploring Operation: 61+4=65, Resulting Numbers: [47, 65] Generated Node #2: [47, 65] from Operation: 61+4=65 Current State: 14:[47, 65], Operations: ['61+4=65'] Exploring Operation: 47+4=51, Resulting Numbers: [65, 51] Generated Node #3: [65, 51] from Operation: 47+4=51 Current State: 14:[65, 51], Operations: ['61+4=65', '47+4=51'] Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[61, 4, 47, 4], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [4, 4, 14] Generated Node #0,0: 14:[4, 4, 14] Operation: 61-47=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[4, 4, 14], Operations: ['61-47=14'] Exploring Operation: 4+4=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 14:[14, 8] Operation: 4+4=8 Moving to Node #0,0,0 Current State: 14:[14, 8], Operations: ['61-47=14', '4+4=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,14 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
[ 67, 7, 55, 14 ]
19
[ "67-7=60", "55-14=41", "60-41=19" ]
Current State: 19:[67, 7, 55, 14], Operations: [] Exploring Operation: 67-7=60, Resulting Numbers: [55, 14, 60] Generated Node #2: [55, 14, 60] from Operation: 67-7=60 Current State: 19:[55, 14, 60], Operations: ['67-7=60'] Exploring Operation: 55-14=41, Resulting Numbers: [60, 41] Generated Node #3: [60, 41] from Operation: 55-14=41 Current State: 19:[60, 41], Operations: ['67-7=60', '55-14=41'] Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[67, 7, 55, 14], Operations: [] Exploring Operation: 55-7=48, Resulting Numbers: [67, 14, 48] Generated Node #0,0: 19:[67, 14, 48] Operation: 55-7=48 Exploring Operation: 67-14=53, Resulting Numbers: [7, 55, 53] Generated Node #0,1: 19:[7, 55, 53] Operation: 67-14=53 Exploring Operation: 67-55=12, Resulting Numbers: [7, 14, 12] Generated Node #0,2: 19:[7, 14, 12] Operation: 67-55=12 Exploring Operation: 55-14=41, Resulting Numbers: [67, 7, 41] Generated Node #0,3: 19:[67, 7, 41] Operation: 55-14=41 Exploring Operation: 67-7=60, Resulting Numbers: [55, 14, 60] Generated Node #0,4: 19:[55, 14, 60] Operation: 67-7=60 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[7, 14, 12], Operations: ['67-55=12'] Exploring Operation: 12-7=5, Resulting Numbers: [14, 5] Generated Node #0,2,0: 19:[14, 5] Operation: 12-7=5 Exploring Operation: 7+14=21, Resulting Numbers: [12, 21] Generated Node #0,2,1: 19:[12, 21] Operation: 7+14=21 Exploring Operation: 14+12=26, Resulting Numbers: [7, 26] Generated Node #0,2,2: 19:[7, 26] Operation: 14+12=26 Exploring Operation: 14-7=7, Resulting Numbers: [12, 7] Generated Node #0,2,3: 19:[12, 7] Operation: 14-7=7 Exploring Operation: 7+12=19, Resulting Numbers: [14, 19] Generated Node #0,2,4: 19:[14, 19] Operation: 7+12=19 Moving to Node #0,2,4 Current State: 19:[14, 19], Operations: ['67-55=12', '7+12=19'] Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,19 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[12, 21], Operations: ['67-55=12', '7+14=21'] Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,19 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[14, 5], Operations: ['67-55=12', '12-7=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[67, 7, 55, 14], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [7, 14, 12] Generated Node #0,2: 19:[7, 14, 12] Operation: 67-55=12 Moving to Node #0,2 Current State: 19:[7, 14, 12], Operations: ['67-55=12'] Exploring Operation: 12-7=5, Resulting Numbers: [14, 5] Generated Node #0,2,0: 19:[14, 5] Operation: 12-7=5 Moving to Node #0,2,0 Current State: 19:[14, 5], Operations: ['67-55=12', '12-7=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 42, 92, 2, 62 ]
10
[ "42+92=134", "2*62=124", "134-124=10" ]
Current State: 10:[42, 92, 2, 62], Operations: [] Exploring Operation: 42+92=134, Resulting Numbers: [2, 62, 134] Generated Node #2: [2, 62, 134] from Operation: 42+92=134 Current State: 10:[2, 62, 134], Operations: ['42+92=134'] Exploring Operation: 2*62=124, Resulting Numbers: [134, 124] Generated Node #3: [134, 124] from Operation: 2*62=124 Current State: 10:[134, 124], Operations: ['42+92=134', '2*62=124'] Exploring Operation: 134-124=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[42, 92, 2, 62], Operations: [] Exploring Operation: 62-42=20, Resulting Numbers: [92, 2, 20] Generated Node #0,0: 10:[92, 2, 20] Operation: 62-42=20 Exploring Operation: 92/2=46, Resulting Numbers: [42, 62, 46] Generated Node #0,1: 10:[42, 62, 46] Operation: 92/2=46 Exploring Operation: 62/2=31, Resulting Numbers: [42, 92, 31] Generated Node #0,2: 10:[42, 92, 31] Operation: 62/2=31 Exploring Operation: 92-42=50, Resulting Numbers: [2, 62, 50] Generated Node #0,3: 10:[2, 62, 50] Operation: 92-42=50 Exploring Operation: 92-62=30, Resulting Numbers: [42, 2, 30] Generated Node #0,4: 10:[42, 2, 30] Operation: 92-62=30 Moving to Node #0,4 Current State: 10:[42, 2, 30], Operations: ['92-62=30'] Exploring Operation: 42-2=40, Resulting Numbers: [30, 40] Generated Node #0,4,0: 10:[30, 40] Operation: 42-2=40 Exploring Operation: 30-2=28, Resulting Numbers: [42, 28] Generated Node #0,4,1: 10:[42, 28] Operation: 30-2=28 Exploring Operation: 42/2=21, Resulting Numbers: [30, 21] Generated Node #0,4,2: 10:[30, 21] Operation: 42/2=21 Exploring Operation: 30/2=15, Resulting Numbers: [42, 15] Generated Node #0,4,3: 10:[42, 15] Operation: 30/2=15 Exploring Operation: 42-30=12, Resulting Numbers: [2, 12] Generated Node #0,4,4: 10:[2, 12] Operation: 42-30=12 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[2, 12], Operations: ['92-62=30', '42-30=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[42, 92, 2, 62], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [42, 2, 30] Generated Node #0,4: 10:[42, 2, 30] Operation: 92-62=30 Moving to Node #0,4 Current State: 10:[42, 2, 30], Operations: ['92-62=30'] Exploring Operation: 42-30=12, Resulting Numbers: [2, 12] Generated Node #0,4,4: 10:[2, 12] Operation: 42-30=12 Moving to Node #0,4,4 Current State: 10:[2, 12], Operations: ['92-62=30', '42-30=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 70, 66, 61, 24 ]
81
[ "70-66=4", "61+24=85", "85-4=81" ]
Current State: 81:[70, 66, 61, 24], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [61, 24, 4] Generated Node #2: [61, 24, 4] from Operation: 70-66=4 Current State: 81:[61, 24, 4], Operations: ['70-66=4'] Exploring Operation: 61+24=85, Resulting Numbers: [4, 85] Generated Node #3: [4, 85] from Operation: 61+24=85 Current State: 81:[4, 85], Operations: ['70-66=4', '61+24=85'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[70, 66, 61, 24], Operations: [] Exploring Operation: 61+24=85, Resulting Numbers: [70, 66, 85] Generated Node #0,0: 81:[70, 66, 85] Operation: 61+24=85 Exploring Operation: 66-61=5, Resulting Numbers: [70, 24, 5] Generated Node #0,1: 81:[70, 24, 5] Operation: 66-61=5 Exploring Operation: 70-66=4, Resulting Numbers: [61, 24, 4] Generated Node #0,2: 81:[61, 24, 4] Operation: 70-66=4 Exploring Operation: 70-61=9, Resulting Numbers: [66, 24, 9] Generated Node #0,3: 81:[66, 24, 9] Operation: 70-61=9 Moving to Node #0,1 Current State: 81:[70, 24, 5], Operations: ['66-61=5'] Exploring Operation: 70+24=94, Resulting Numbers: [5, 94] Generated Node #0,1,0: 81:[5, 94] Operation: 70+24=94 Exploring Operation: 70/5=14, Resulting Numbers: [24, 14] Generated Node #0,1,1: 81:[24, 14] Operation: 70/5=14 Exploring Operation: 70+5=75, Resulting Numbers: [24, 75] Generated Node #0,1,2: 81:[24, 75] Operation: 70+5=75 Exploring Operation: 24+5=29, Resulting Numbers: [70, 29] Generated Node #0,1,3: 81:[70, 29] Operation: 24+5=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[24, 14], Operations: ['66-61=5', '70/5=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[24, 75], Operations: ['66-61=5', '70+5=75'] Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,81 unequal: No Solution Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 81:[70, 29], Operations: ['66-61=5', '24+5=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,81 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[5, 94], Operations: ['66-61=5', '70+24=94'] Exploring Operation: 5+94=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,81 unequal: No Solution Exploring Operation: 5*94=470, Resulting Numbers: [470] 470,81 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: 81:[66, 24, 9], Operations: ['70-61=9'] Exploring Operation: 24+9=33, Resulting Numbers: [66, 33] Generated Node #0,3,0: 81:[66, 33] Operation: 24+9=33 Exploring Operation: 66-24=42, Resulting Numbers: [9, 42] Generated Node #0,3,1: 81:[9, 42] Operation: 66-24=42 Exploring Operation: 66+9=75, Resulting Numbers: [24, 75] Generated Node #0,3,2: 81:[24, 75] Operation: 66+9=75 Exploring Operation: 66+24=90, Resulting Numbers: [9, 90] Generated Node #0,3,3: 81:[9, 90] Operation: 66+24=90 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[24, 75], Operations: ['70-61=9', '66+9=75'] Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,81 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,81 unequal: No Solution Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[9, 90], Operations: ['70-61=9', '66+24=90'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 9+90=99, Resulting Numbers: [99] 99,81 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[70, 66, 61, 24], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [66, 24, 9] Generated Node #0,3: 81:[66, 24, 9] Operation: 70-61=9 Moving to Node #0,3 Current State: 81:[66, 24, 9], Operations: ['70-61=9'] Exploring Operation: 66+24=90, Resulting Numbers: [9, 90] Generated Node #0,3,3: 81:[9, 90] Operation: 66+24=90 Moving to Node #0,3,3 Current State: 81:[9, 90], Operations: ['70-61=9', '66+24=90'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 42, 16, 1, 43 ]
17
[ "42-16=26", "1*43=43", "43-26=17" ]
Current State: 17:[42, 16, 1, 43], Operations: [] Exploring Operation: 42-16=26, Resulting Numbers: [1, 43, 26] Generated Node #2: [1, 43, 26] from Operation: 42-16=26 Current State: 17:[1, 43, 26], Operations: ['42-16=26'] Exploring Operation: 1*43=43, Resulting Numbers: [26, 43] Generated Node #3: [26, 43] from Operation: 1*43=43 Current State: 17:[26, 43], Operations: ['42-16=26', '1*43=43'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[42, 16, 1, 43], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [16, 1, 1] Generated Node #0,0: 17:[16, 1, 1] Operation: 43-42=1 Exploring Operation: 42-1=41, Resulting Numbers: [16, 43, 41] Generated Node #0,1: 17:[16, 43, 41] Operation: 42-1=41 Exploring Operation: 16+1=17, Resulting Numbers: [42, 43, 17] Generated Node #0,2: 17:[42, 43, 17] Operation: 16+1=17 Exploring Operation: 42-16=26, Resulting Numbers: [1, 43, 26] Generated Node #0,3: 17:[1, 43, 26] Operation: 42-16=26 Moving to Node #0,0 Current State: 17:[16, 1, 1], Operations: ['43-42=1'] Exploring Operation: 1+1=2, Resulting Numbers: [16, 2] Generated Node #0,0,0: 17:[16, 2] Operation: 1+1=2 Exploring Operation: 16+1=17, Resulting Numbers: [1, 17] Generated Node #0,0,1: 17:[1, 17] Operation: 16+1=17 Exploring Operation: 16+1=17, Resulting Numbers: [1, 17] Generated Node #0,0,2: 17:[1, 17] Operation: 16+1=17 Exploring Operation: 16*1=16, Resulting Numbers: [1, 16] Generated Node #0,0,3: 17:[1, 16] Operation: 16*1=16 Moving to Node #0,2 Current State: 17:[42, 43, 17], Operations: ['16+1=17'] Exploring Operation: 43-42=1, Resulting Numbers: [17, 1] Generated Node #0,2,0: 17:[17, 1] Operation: 43-42=1 Exploring Operation: 43-17=26, Resulting Numbers: [42, 26] Generated Node #0,2,1: 17:[42, 26] Operation: 43-17=26 Exploring Operation: 42+43=85, Resulting Numbers: [17, 85] Generated Node #0,2,2: 17:[17, 85] Operation: 42+43=85 Exploring Operation: 42-17=25, Resulting Numbers: [43, 25] Generated Node #0,2,3: 17:[43, 25] Operation: 42-17=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[17, 1], Operations: ['16+1=17', '43-42=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[42, 16, 1, 43], Operations: [] Exploring Operation: 16+1=17, Resulting Numbers: [42, 43, 17] Generated Node #0,2: 17:[42, 43, 17] Operation: 16+1=17 Moving to Node #0,2 Current State: 17:[42, 43, 17], Operations: ['16+1=17'] Exploring Operation: 43-42=1, Resulting Numbers: [17, 1] Generated Node #0,2,0: 17:[17, 1] Operation: 43-42=1 Moving to Node #0,2,0 Current State: 17:[17, 1], Operations: ['16+1=17', '43-42=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 19, 36, 23, 96 ]
31
[ "19+96=115", "115/23=5", "36-5=31" ]
Current State: 31:[19, 36, 23, 96], Operations: [] Exploring Operation: 19+96=115, Resulting Numbers: [36, 23, 115] Generated Node #2: [36, 23, 115] from Operation: 19+96=115 Current State: 31:[36, 23, 115], Operations: ['19+96=115'] Exploring Operation: 115/23=5, Resulting Numbers: [36, 5] Generated Node #3: [36, 5] from Operation: 115/23=5 Current State: 31:[36, 5], Operations: ['19+96=115', '115/23=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[19, 36, 23, 96], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [19, 23, 60] Generated Node #0,0: 31:[19, 23, 60] Operation: 96-36=60 Exploring Operation: 96-19=77, Resulting Numbers: [36, 23, 77] Generated Node #0,1: 31:[36, 23, 77] Operation: 96-19=77 Moving to Node #0,0 Current State: 31:[19, 23, 60], Operations: ['96-36=60'] Exploring Operation: 60-19=41, Resulting Numbers: [23, 41] Generated Node #0,0,0: 31:[23, 41] Operation: 60-19=41 Exploring Operation: 60-23=37, Resulting Numbers: [19, 37] Generated Node #0,0,1: 31:[19, 37] Operation: 60-23=37 Moving to Node #0,1 Current State: 31:[36, 23, 77], Operations: ['96-19=77'] Exploring Operation: 77-36=41, Resulting Numbers: [23, 41] Generated Node #0,1,0: 31:[23, 41] Operation: 77-36=41 Exploring Operation: 77-23=54, Resulting Numbers: [36, 54] Generated Node #0,1,1: 31:[36, 54] Operation: 77-23=54 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[23, 41], Operations: ['96-19=77', '77-36=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[36, 54], Operations: ['96-19=77', '77-23=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,31 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: 31:[23, 41], Operations: ['96-36=60', '60-19=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[19, 37], Operations: ['96-36=60', '60-23=37'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,31 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 72, 18, 72, 22 ]
90
[ "72/18=4", "72+22=94", "94-4=90" ]
Current State: 90:[72, 18, 72, 22], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [22, 4] Generated Node #2: [22, 4] from Operation: 72/18=4 Current State: 90:[22, 4], Operations: ['72/18=4'] Exploring Operation: 72+22=94, Resulting Numbers: [4, 94] Generated Node #3: [4, 94] from Operation: 72+22=94 Current State: 90:[4, 94], Operations: ['72/18=4', '72+22=94'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[72, 18, 72, 22], Operations: [] Exploring Operation: 72/72=1, Resulting Numbers: [18, 22, 1] Generated Node #0,0: 90:[18, 22, 1] Operation: 72/72=1 Exploring Operation: 72+18=90, Resulting Numbers: [72, 22, 90] Generated Node #0,1: 90:[72, 22, 90] Operation: 72+18=90 Exploring Operation: 72-72=0, Resulting Numbers: [18, 22, 0] Generated Node #0,2: 90:[18, 22, 0] Operation: 72-72=0 Exploring Operation: 72+22=94, Resulting Numbers: [18, 72, 94] Generated Node #0,3: 90:[18, 72, 94] Operation: 72+22=94 Moving to Node #0,0 Current State: 90:[18, 22, 1], Operations: ['72/72=1'] Exploring Operation: 22-18=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 90:[1, 4] Operation: 22-18=4 Exploring Operation: 18*1=18, Resulting Numbers: [22, 18] Generated Node #0,0,1: 90:[22, 18] Operation: 18*1=18 Exploring Operation: 22-1=21, Resulting Numbers: [18, 21] Generated Node #0,0,2: 90:[18, 21] Operation: 22-1=21 Exploring Operation: 18/1=18, Resulting Numbers: [22, 18] Generated Node #0,0,3: 90:[22, 18] Operation: 18/1=18 Moving to Node #0,2 Current State: 90:[18, 22, 0], Operations: ['72-72=0'] Exploring Operation: 18+0=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 90:[22, 18] Operation: 18+0=18 Exploring Operation: 22*0=0, Resulting Numbers: [18, 0] Generated Node #0,2,1: 90:[18, 0] Operation: 22*0=0 Exploring Operation: 22-18=4, Resulting Numbers: [0, 4] Generated Node #0,2,2: 90:[0, 4] Operation: 22-18=4 Exploring Operation: 18-0=18, Resulting Numbers: [22, 18] Generated Node #0,2,3: 90:[22, 18] Operation: 18-0=18 Moving to Node #0,3 Current State: 90:[18, 72, 94], Operations: ['72+22=94'] Exploring Operation: 72/18=4, Resulting Numbers: [94, 4] Generated Node #0,3,0: 90:[94, 4] Operation: 72/18=4 Exploring Operation: 94-72=22, Resulting Numbers: [18, 22] Generated Node #0,3,1: 90:[18, 22] Operation: 94-72=22 Exploring Operation: 72-18=54, Resulting Numbers: [94, 54] Generated Node #0,3,2: 90:[94, 54] Operation: 72-18=54 Exploring Operation: 18+72=90, Resulting Numbers: [94, 90] Generated Node #0,3,3: 90:[94, 90] Operation: 18+72=90 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[18, 22], Operations: ['72+22=94', '94-72=22'] Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,90 unequal: No Solution Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,90 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:[94, 90], Operations: ['72+22=94', '18+72=90'] Exploring Operation: 94+90=184, Resulting Numbers: [184] 184,90 unequal: No Solution Exploring Operation: 94*90=8460, Resulting Numbers: [8460] 8460,90 unequal: No Solution Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,90 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:[94, 4], Operations: ['72+22=94', '72/18=4'] Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,90 unequal: No Solution Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[72, 18, 72, 22], Operations: [] Exploring Operation: 72+22=94, Resulting Numbers: [18, 72, 94] Generated Node #0,3: 90:[18, 72, 94] Operation: 72+22=94 Moving to Node #0,3 Current State: 90:[18, 72, 94], Operations: ['72+22=94'] Exploring Operation: 72/18=4, Resulting Numbers: [94, 4] Generated Node #0,3,0: 90:[94, 4] Operation: 72/18=4 Moving to Node #0,3,0 Current State: 90:[94, 4], Operations: ['72+22=94', '72/18=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_4
sum_heuristic
[ 99, 96, 25, 45 ]
67
[ "99-96=3", "25+45=70", "70-3=67" ]
Current State: 67:[99, 96, 25, 45], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [25, 45, 3] Generated Node #2: [25, 45, 3] from Operation: 99-96=3 Current State: 67:[25, 45, 3], Operations: ['99-96=3'] Exploring Operation: 25+45=70, Resulting Numbers: [3, 70] Generated Node #3: [3, 70] from Operation: 25+45=70 Current State: 67:[3, 70], Operations: ['99-96=3', '25+45=70'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[99, 96, 25, 45], Operations: [] Exploring Operation: 99-25=74, Resulting Numbers: [96, 45, 74] Generated Node #0,0: 67:[96, 45, 74] Operation: 99-25=74 Exploring Operation: 96-25=71, Resulting Numbers: [99, 45, 71] Generated Node #0,1: 67:[99, 45, 71] Operation: 96-25=71 Moving to Node #0,0 Current State: 67:[96, 45, 74], Operations: ['99-25=74'] Exploring Operation: 96-74=22, Resulting Numbers: [45, 22] Generated Node #0,0,0: 67:[45, 22] Operation: 96-74=22 Exploring Operation: 96-45=51, Resulting Numbers: [74, 51] Generated Node #0,0,1: 67:[74, 51] Operation: 96-45=51 Moving to Node #0,1 Current State: 67:[99, 45, 71], Operations: ['96-25=71'] Exploring Operation: 99-71=28, Resulting Numbers: [45, 28] Generated Node #0,1,0: 67:[45, 28] Operation: 99-71=28 Exploring Operation: 99-45=54, Resulting Numbers: [71, 54] Generated Node #0,1,1: 67:[71, 54] Operation: 99-45=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[71, 54], Operations: ['96-25=71', '99-45=54'] Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,67 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,67 unequal: No Solution No 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: 67:[45, 28], Operations: ['96-25=71', '99-71=28'] Exploring Operation: 45+28=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,67 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: 67:[74, 51], Operations: ['99-25=74', '96-45=51'] Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 74+51=125, Resulting Numbers: [125] 125,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[45, 22], Operations: ['99-25=74', '96-74=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[99, 96, 25, 45], Operations: [] Exploring Operation: 99-25=74, Resulting Numbers: [96, 45, 74] Generated Node #0,0: 67:[96, 45, 74] Operation: 99-25=74 Moving to Node #0,0 Current State: 67:[96, 45, 74], Operations: ['99-25=74'] Exploring Operation: 96-74=22, Resulting Numbers: [45, 22] Generated Node #0,0,0: 67:[45, 22] Operation: 96-74=22 Moving to Node #0,0,0 Current State: 67:[45, 22], Operations: ['99-25=74', '96-74=22'] Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 77, 11, 67, 44 ]
23
[ "77+11=88", "67+44=111", "111-88=23" ]
Current State: 23:[77, 11, 67, 44], Operations: [] Exploring Operation: 77+11=88, Resulting Numbers: [67, 44, 88] Generated Node #2: [67, 44, 88] from Operation: 77+11=88 Current State: 23:[67, 44, 88], Operations: ['77+11=88'] Exploring Operation: 67+44=111, Resulting Numbers: [88, 111] Generated Node #3: [88, 111] from Operation: 67+44=111 Current State: 23:[88, 111], Operations: ['77+11=88', '67+44=111'] Exploring Operation: 111-88=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[77, 11, 67, 44], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [11, 67, 33] Generated Node #0,0: 23:[11, 67, 33] Operation: 77-44=33 Exploring Operation: 67-44=23, Resulting Numbers: [77, 11, 23] Generated Node #0,1: 23:[77, 11, 23] Operation: 67-44=23 Exploring Operation: 77-67=10, Resulting Numbers: [11, 44, 10] Generated Node #0,2: 23:[11, 44, 10] Operation: 77-67=10 Moving to Node #0,2 Current State: 23:[11, 44, 10], Operations: ['77-67=10'] Exploring Operation: 44-10=34, Resulting Numbers: [11, 34] Generated Node #0,2,0: 23:[11, 34] Operation: 44-10=34 Exploring Operation: 11+10=21, Resulting Numbers: [44, 21] Generated Node #0,2,1: 23:[44, 21] Operation: 11+10=21 Exploring Operation: 44-11=33, Resulting Numbers: [10, 33] Generated Node #0,2,2: 23:[10, 33] Operation: 44-11=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[11, 34], Operations: ['77-67=10', '44-10=34'] Exploring Operation: 11*34=374, Resulting Numbers: [374] 374,23 unequal: No Solution Exploring Operation: 11+34=45, Resulting Numbers: [45] 45,23 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[77, 11, 67, 44], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [11, 44, 10] Generated Node #0,2: 23:[11, 44, 10] Operation: 77-67=10 Moving to Node #0,2 Current State: 23:[11, 44, 10], Operations: ['77-67=10'] Exploring Operation: 44-10=34, Resulting Numbers: [11, 34] Generated Node #0,2,0: 23:[11, 34] Operation: 44-10=34 Moving to Node #0,2,0 Current State: 23:[11, 34], Operations: ['77-67=10', '44-10=34'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 65, 13, 11, 56 ]
33
[ "65+13=78", "56-11=45", "78-45=33" ]
Current State: 33:[65, 13, 11, 56], Operations: [] Exploring Operation: 65+13=78, Resulting Numbers: [11, 56, 78] Generated Node #2: [11, 56, 78] from Operation: 65+13=78 Current State: 33:[11, 56, 78], Operations: ['65+13=78'] Exploring Operation: 56-11=45, Resulting Numbers: [78, 45] Generated Node #3: [78, 45] from Operation: 56-11=45 Current State: 33:[78, 45], Operations: ['65+13=78', '56-11=45'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[65, 13, 11, 56], Operations: [] Exploring Operation: 65-13=52, Resulting Numbers: [11, 56, 52] Generated Node #0,0: 33:[11, 56, 52] Operation: 65-13=52 Exploring Operation: 65/13=5, Resulting Numbers: [11, 56, 5] Generated Node #0,1: 33:[11, 56, 5] Operation: 65/13=5 Exploring Operation: 65-56=9, Resulting Numbers: [13, 11, 9] Generated Node #0,2: 33:[13, 11, 9] Operation: 65-56=9 Exploring Operation: 56-13=43, Resulting Numbers: [65, 11, 43] Generated Node #0,3: 33:[65, 11, 43] Operation: 56-13=43 Moving to Node #0,2 Current State: 33:[13, 11, 9], Operations: ['65-56=9'] Exploring Operation: 13-9=4, Resulting Numbers: [11, 4] Generated Node #0,2,0: 33:[11, 4] Operation: 13-9=4 Exploring Operation: 13-11=2, Resulting Numbers: [9, 2] Generated Node #0,2,1: 33:[9, 2] Operation: 13-11=2 Exploring Operation: 11-9=2, Resulting Numbers: [13, 2] Generated Node #0,2,2: 33:[13, 2] Operation: 11-9=2 Exploring Operation: 13+11=24, Resulting Numbers: [9, 24] Generated Node #0,2,3: 33:[9, 24] Operation: 13+11=24 Moving to Node #0,1 Current State: 33:[11, 56, 5], Operations: ['65/13=5'] Exploring Operation: 11-5=6, Resulting Numbers: [56, 6] Generated Node #0,1,0: 33:[56, 6] Operation: 11-5=6 Exploring Operation: 11+5=16, Resulting Numbers: [56, 16] Generated Node #0,1,1: 33:[56, 16] Operation: 11+5=16 Exploring Operation: 56-11=45, Resulting Numbers: [5, 45] Generated Node #0,1,2: 33:[5, 45] Operation: 56-11=45 Exploring Operation: 56-5=51, Resulting Numbers: [11, 51] Generated Node #0,1,3: 33:[11, 51] Operation: 56-5=51 Moving to Node #0,3 Current State: 33:[65, 11, 43], Operations: ['56-13=43'] Exploring Operation: 65-11=54, Resulting Numbers: [43, 54] Generated Node #0,3,0: 33:[43, 54] Operation: 65-11=54 Exploring Operation: 65+11=76, Resulting Numbers: [43, 76] Generated Node #0,3,1: 33:[43, 76] Operation: 65+11=76 Exploring Operation: 65-43=22, Resulting Numbers: [11, 22] Generated Node #0,3,2: 33:[11, 22] Operation: 65-43=22 Exploring Operation: 43-11=32, Resulting Numbers: [65, 32] Generated Node #0,3,3: 33:[65, 32] Operation: 43-11=32 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 33:[11, 22], Operations: ['56-13=43', '65-43=22'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,33 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[65, 13, 11, 56], Operations: [] Exploring Operation: 56-13=43, Resulting Numbers: [65, 11, 43] Generated Node #0,3: 33:[65, 11, 43] Operation: 56-13=43 Moving to Node #0,3 Current State: 33:[65, 11, 43], Operations: ['56-13=43'] Exploring Operation: 65-43=22, Resulting Numbers: [11, 22] Generated Node #0,3,2: 33:[11, 22] Operation: 65-43=22 Moving to Node #0,3,2 Current State: 33:[11, 22], Operations: ['56-13=43', '65-43=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 44, 28, 20, 32 ]
20
[ "44+28=72", "20+32=52", "72-52=20" ]
Current State: 20:[44, 28, 20, 32], Operations: [] Exploring Operation: 44+28=72, Resulting Numbers: [20, 32, 72] Generated Node #2: [20, 32, 72] from Operation: 44+28=72 Current State: 20:[20, 32, 72], Operations: ['44+28=72'] Exploring Operation: 20+32=52, Resulting Numbers: [72, 52] Generated Node #3: [72, 52] from Operation: 20+32=52 Current State: 20:[72, 52], Operations: ['44+28=72', '20+32=52'] Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[44, 28, 20, 32], Operations: [] Exploring Operation: 44-28=16, Resulting Numbers: [20, 32, 16] Generated Node #0,0: 20:[20, 32, 16] Operation: 44-28=16 Exploring Operation: 44-32=12, Resulting Numbers: [28, 20, 12] Generated Node #0,1: 20:[28, 20, 12] Operation: 44-32=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[28, 20, 12], Operations: ['44-32=12'] Exploring Operation: 28-12=16, Resulting Numbers: [20, 16] Generated Node #0,1,0: 20:[20, 16] Operation: 28-12=16 Exploring Operation: 28-20=8, Resulting Numbers: [12, 8] Generated Node #0,1,1: 20:[12, 8] Operation: 28-20=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[20, 16], Operations: ['44-32=12', '28-12=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,20 unequal: No Solution No 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: 20:[12, 8], Operations: ['44-32=12', '28-20=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[44, 28, 20, 32], Operations: [] Exploring Operation: 44-32=12, Resulting Numbers: [28, 20, 12] Generated Node #0,1: 20:[28, 20, 12] Operation: 44-32=12 Moving to Node #0,1 Current State: 20:[28, 20, 12], Operations: ['44-32=12'] Exploring Operation: 28-20=8, Resulting Numbers: [12, 8] Generated Node #0,1,1: 20:[12, 8] Operation: 28-20=8 Moving to Node #0,1,1 Current State: 20:[12, 8], Operations: ['44-32=12', '28-20=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 48, 82, 14, 14 ]
16
[ "82+14=96", "96/48=2", "14+2=16" ]
Current State: 16:[48, 82, 14, 14], Operations: [] Exploring Operation: 82+14=96, Resulting Numbers: [48, 96] Generated Node #2: [48, 96] from Operation: 82+14=96 Current State: 16:[48, 96], Operations: ['82+14=96'] Exploring Operation: 96/48=2, Resulting Numbers: [2] 2,16 equal: Goal Reached Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[48, 82, 14, 14], Operations: [] Exploring Operation: 82-48=34, Resulting Numbers: [14, 14, 34] Generated Node #0,0: 16:[14, 14, 34] Operation: 82-48=34 Exploring Operation: 48-14=34, Resulting Numbers: [82, 14, 34] Generated Node #0,1: 16:[82, 14, 34] Operation: 48-14=34 Moving to Node #0,0 Current State: 16:[14, 14, 34], Operations: ['82-48=34'] Exploring Operation: 34-14=20, Resulting Numbers: [14, 20] Generated Node #0,0,0: 16:[14, 20] Operation: 34-14=20 Exploring Operation: 34-14=20, Resulting Numbers: [14, 20] Generated Node #0,0,1: 16:[14, 20] Operation: 34-14=20 Moving to Node #0,1 Current State: 16:[82, 14, 34], Operations: ['48-14=34'] Exploring Operation: 82-14=68, Resulting Numbers: [34, 68] Generated Node #0,1,0: 16:[34, 68] Operation: 82-14=68 Exploring Operation: 82-34=48, Resulting Numbers: [14, 48] Generated Node #0,1,1: 16:[14, 48] Operation: 82-34=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[14, 48], Operations: ['48-14=34', '82-34=48'] Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,16 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,16 unequal: No Solution No 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: 16:[34, 68], Operations: ['48-14=34', '82-14=68'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,16 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: 16:[14, 20], Operations: ['82-48=34', '34-14=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[14, 20], Operations: ['82-48=34', '34-14=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,16 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 38, 53, 17, 24 ]
57
[ "53-17=36", "38*36=1368", "1368/24=57" ]
Current State: 57:[38, 53, 17, 24], Operations: [] Exploring Operation: 53-17=36, Resulting Numbers: [38, 24, 36] Generated Node #2: [38, 24, 36] from Operation: 53-17=36 Current State: 57:[38, 24, 36], Operations: ['53-17=36'] Exploring Operation: 38*36=1368, Resulting Numbers: [24, 1368] Generated Node #3: [24, 1368] from Operation: 38*36=1368 Current State: 57:[24, 1368], Operations: ['53-17=36', '38*36=1368'] Exploring Operation: 1368/24=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[38, 53, 17, 24], Operations: [] Exploring Operation: 53-38=15, Resulting Numbers: [17, 24, 15] Generated Node #0,0: 57:[17, 24, 15] Operation: 53-38=15 Exploring Operation: 38+17=55, Resulting Numbers: [53, 24, 55] Generated Node #0,1: 57:[53, 24, 55] Operation: 38+17=55 Exploring Operation: 38-17=21, Resulting Numbers: [53, 24, 21] Generated Node #0,2: 57:[53, 24, 21] Operation: 38-17=21 Exploring Operation: 38+24=62, Resulting Numbers: [53, 17, 62] Generated Node #0,3: 57:[53, 17, 62] Operation: 38+24=62 Exploring Operation: 38-24=14, Resulting Numbers: [53, 17, 14] Generated Node #0,4: 57:[53, 17, 14] Operation: 38-24=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[17, 24, 15], Operations: ['53-38=15'] Exploring Operation: 24-15=9, Resulting Numbers: [17, 9] Generated Node #0,0,0: 57:[17, 9] Operation: 24-15=9 Exploring Operation: 17+24=41, Resulting Numbers: [15, 41] Generated Node #0,0,1: 57:[15, 41] Operation: 17+24=41 Exploring Operation: 17+15=32, Resulting Numbers: [24, 32] Generated Node #0,0,2: 57:[24, 32] Operation: 17+15=32 Exploring Operation: 17-15=2, Resulting Numbers: [24, 2] Generated Node #0,0,3: 57:[24, 2] Operation: 17-15=2 Exploring Operation: 24-17=7, Resulting Numbers: [15, 7] Generated Node #0,0,4: 57:[15, 7] Operation: 24-17=7 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[24, 2], Operations: ['53-38=15', '17-15=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,57 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 #0,0,0 Current State: 57:[17, 9], Operations: ['53-38=15', '24-15=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,57 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 #0,0,4 Current State: 57:[15, 7], Operations: ['53-38=15', '24-17=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,57 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 15-7=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 #0,0,2 Current State: 57:[24, 32], Operations: ['53-38=15', '17+15=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,57 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,57 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 #0,0,1 Current State: 57:[15, 41], Operations: ['53-38=15', '17+24=41'] Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,57 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,57 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 #0,1 Current State: 57:[53, 24, 55], Operations: ['38+17=55'] Exploring Operation: 53-24=29, Resulting Numbers: [55, 29] Generated Node #0,1,0: 57:[55, 29] Operation: 53-24=29 Exploring Operation: 24+55=79, Resulting Numbers: [53, 79] Generated Node #0,1,1: 57:[53, 79] Operation: 24+55=79 Exploring Operation: 55-53=2, Resulting Numbers: [24, 2] Generated Node #0,1,2: 57:[24, 2] Operation: 55-53=2 Exploring Operation: 55-24=31, Resulting Numbers: [53, 31] Generated Node #0,1,3: 57:[53, 31] Operation: 55-24=31 Exploring Operation: 53+24=77, Resulting Numbers: [55, 77] Generated Node #0,1,4: 57:[55, 77] Operation: 53+24=77 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[24, 2], Operations: ['38+17=55', '55-53=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,57 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:[55, 29], Operations: ['38+17=55', '53-24=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,57 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:[53, 31], Operations: ['38+17=55', '55-24=31'] Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,57 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:[55, 77], Operations: ['38+17=55', '53+24=77'] Exploring Operation: 55*77=4235, Resulting Numbers: [4235] 4235,57 unequal: No Solution Exploring Operation: 55+77=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,57 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:[53, 79], Operations: ['38+17=55', '24+55=79'] Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 53+79=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 53*79=4187, Resulting Numbers: [4187] 4187,57 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:[53, 24, 21], Operations: ['38-17=21'] Exploring Operation: 53-21=32, Resulting Numbers: [24, 32] Generated Node #0,2,0: 57:[24, 32] Operation: 53-21=32 Exploring Operation: 53-24=29, Resulting Numbers: [21, 29] Generated Node #0,2,1: 57:[21, 29] Operation: 53-24=29 Exploring Operation: 24-21=3, Resulting Numbers: [53, 3] Generated Node #0,2,2: 57:[53, 3] Operation: 24-21=3 Exploring Operation: 24+21=45, Resulting Numbers: [53, 45] Generated Node #0,2,3: 57:[53, 45] Operation: 24+21=45 Exploring Operation: 53+24=77, Resulting Numbers: [21, 77] Generated Node #0,2,4: 57:[21, 77] Operation: 53+24=77 Moving to Node #0,2,2 Current State: 57:[53, 3], Operations: ['38-17=21', '24-21=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,57 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[21, 29], Operations: ['38-17=21', '53-24=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[53, 45], Operations: ['38-17=21', '24+21=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,57 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[24, 32], Operations: ['38-17=21', '53-21=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,57 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[21, 77], Operations: ['38-17=21', '53+24=77'] Exploring Operation: 21*77=1617, Resulting Numbers: [1617] 1617,57 unequal: No Solution Exploring Operation: 21+77=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,57 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 #0,3 Current State: 57:[53, 17, 62], Operations: ['38+24=62'] Exploring Operation: 53-17=36, Resulting Numbers: [62, 36] Generated Node #0,3,0: 57:[62, 36] Operation: 53-17=36 Exploring Operation: 17+62=79, Resulting Numbers: [53, 79] Generated Node #0,3,1: 57:[53, 79] Operation: 17+62=79 Exploring Operation: 62-53=9, Resulting Numbers: [17, 9] Generated Node #0,3,2: 57:[17, 9] Operation: 62-53=9 Exploring Operation: 62-17=45, Resulting Numbers: [53, 45] Generated Node #0,3,3: 57:[53, 45] Operation: 62-17=45 Exploring Operation: 53+17=70, Resulting Numbers: [62, 70] Generated Node #0,3,4: 57:[62, 70] Operation: 53+17=70 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[17, 9], Operations: ['38+24=62', '62-53=9'] Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,57 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 17-9=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 #0,3,3 Current State: 57:[53, 45], Operations: ['38+24=62', '62-17=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,57 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 57:[62, 70], Operations: ['38+24=62', '53+17=70'] Exploring Operation: 62+70=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 62*70=4340, Resulting Numbers: [4340] 4340,57 unequal: No Solution Exploring Operation: 70-62=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 #0,3,0 Current State: 57:[62, 36], Operations: ['38+24=62', '53-17=36'] Exploring Operation: 62*36=2232, Resulting Numbers: [2232] 2232,57 unequal: No Solution Exploring Operation: 62+36=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[53, 79], Operations: ['38+24=62', '17+62=79'] Exploring Operation: 53+79=132, Resulting Numbers: [132] 132,57 unequal: No Solution Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 53*79=4187, Resulting Numbers: [4187] 4187,57 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 #0,4 Current State: 57:[53, 17, 14], Operations: ['38-24=14'] Exploring Operation: 17-14=3, Resulting Numbers: [53, 3] Generated Node #0,4,0: 57:[53, 3] Operation: 17-14=3 Exploring Operation: 53+17=70, Resulting Numbers: [14, 70] Generated Node #0,4,1: 57:[14, 70] Operation: 53+17=70 Exploring Operation: 53+14=67, Resulting Numbers: [17, 67] Generated Node #0,4,2: 57:[17, 67] Operation: 53+14=67 Exploring Operation: 53-14=39, Resulting Numbers: [17, 39] Generated Node #0,4,3: 57:[17, 39] Operation: 53-14=39 Exploring Operation: 17+14=31, Resulting Numbers: [53, 31] Generated Node #0,4,4: 57:[53, 31] Operation: 17+14=31 Moving to Node #0,4,0 Current State: 57:[53, 3], Operations: ['38-24=14', '17-14=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[17, 67], Operations: ['38-24=14', '53+14=67'] Exploring Operation: 17*67=1139, Resulting Numbers: [1139] 1139,57 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[53, 31], Operations: ['38-24=14', '17+14=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[14, 70], Operations: ['38-24=14', '53+17=70'] Exploring Operation: 14*70=980, Resulting Numbers: [980] 980,57 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,57 unequal: No Solution Exploring Operation: 14+70=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[17, 39], Operations: ['38-24=14', '53-14=39'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,57 unequal: No Solution Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,57 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
[ 67, 60, 30, 55 ]
18
[ "67-60=7", "55-30=25", "25-7=18" ]
Current State: 18:[67, 60, 30, 55], Operations: [] Exploring Operation: 67-60=7, Resulting Numbers: [30, 55, 7] Generated Node #2: [30, 55, 7] from Operation: 67-60=7 Current State: 18:[30, 55, 7], Operations: ['67-60=7'] Exploring Operation: 55-30=25, Resulting Numbers: [7, 25] Generated Node #3: [7, 25] from Operation: 55-30=25 Current State: 18:[7, 25], Operations: ['67-60=7', '55-30=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[67, 60, 30, 55], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [60, 30, 12] Generated Node #0,0: 18:[60, 30, 12] Operation: 67-55=12 Exploring Operation: 60-55=5, Resulting Numbers: [67, 30, 5] Generated Node #0,1: 18:[67, 30, 5] Operation: 60-55=5 Exploring Operation: 67-60=7, Resulting Numbers: [30, 55, 7] Generated Node #0,2: 18:[30, 55, 7] Operation: 67-60=7 Moving to Node #0,2 Current State: 18:[30, 55, 7], Operations: ['67-60=7'] Exploring Operation: 30-7=23, Resulting Numbers: [55, 23] Generated Node #0,2,0: 18:[55, 23] Operation: 30-7=23 Exploring Operation: 55-7=48, Resulting Numbers: [30, 48] Generated Node #0,2,1: 18:[30, 48] Operation: 55-7=48 Exploring Operation: 55-30=25, Resulting Numbers: [7, 25] Generated Node #0,2,2: 18:[7, 25] Operation: 55-30=25 Moving to Node #0,0 Current State: 18:[60, 30, 12], Operations: ['67-55=12'] Exploring Operation: 60-30=30, Resulting Numbers: [12, 30] Generated Node #0,0,0: 18:[12, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [12, 2] Generated Node #0,0,1: 18:[12, 2] Operation: 60/30=2 Exploring Operation: 60/12=5, Resulting Numbers: [30, 5] Generated Node #0,0,2: 18:[30, 5] Operation: 60/12=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[12, 2], Operations: ['67-55=12', '60/30=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,18 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[30, 5], Operations: ['67-55=12', '60/12=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,18 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[12, 30], Operations: ['67-55=12', '60-30=30'] Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,18 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[67, 60, 30, 55], Operations: [] Exploring Operation: 67-55=12, Resulting Numbers: [60, 30, 12] Generated Node #0,0: 18:[60, 30, 12] Operation: 67-55=12 Moving to Node #0,0 Current State: 18:[60, 30, 12], Operations: ['67-55=12'] Exploring Operation: 60-30=30, Resulting Numbers: [12, 30] Generated Node #0,0,0: 18:[12, 30] Operation: 60-30=30 Moving to Node #0,0,0 Current State: 18:[12, 30], Operations: ['67-55=12', '60-30=30'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
mult_heuristic
[ 22, 8, 77, 4 ]
97
[ "22+77=99", "8/4=2", "99-2=97" ]
Current State: 97:[22, 8, 77, 4], Operations: [] Exploring Operation: 22+77=99, Resulting Numbers: [8, 4, 99] Generated Node #2: [8, 4, 99] from Operation: 22+77=99 Current State: 97:[8, 4, 99], Operations: ['22+77=99'] Exploring Operation: 8/4=2, Resulting Numbers: [99, 2] Generated Node #3: [99, 2] from Operation: 8/4=2 Current State: 97:[99, 2], Operations: ['22+77=99', '8/4=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[22, 8, 77, 4], Operations: [] Exploring Operation: 22*4=88, Resulting Numbers: [8, 77, 88] Generated Node #0,0: 97:[8, 77, 88] Operation: 22*4=88 Exploring Operation: 22+8=30, Resulting Numbers: [77, 4, 30] Generated Node #0,1: 97:[77, 4, 30] Operation: 22+8=30 Exploring Operation: 8*4=32, Resulting Numbers: [22, 77, 32] Generated Node #0,2: 97:[22, 77, 32] Operation: 8*4=32 Exploring Operation: 22+4=26, Resulting Numbers: [8, 77, 26] Generated Node #0,3: 97:[8, 77, 26] Operation: 22+4=26 Moving to Node #0,0 Current State: 97:[8, 77, 88], Operations: ['22*4=88'] Exploring Operation: 8+88=96, Resulting Numbers: [77, 96] Generated Node #0,0,0: 97:[77, 96] Operation: 8+88=96 Exploring Operation: 88-8=80, Resulting Numbers: [77, 80] Generated Node #0,0,1: 97:[77, 80] Operation: 88-8=80 Exploring Operation: 8+77=85, Resulting Numbers: [88, 85] Generated Node #0,0,2: 97:[88, 85] Operation: 8+77=85 Exploring Operation: 77-8=69, Resulting Numbers: [88, 69] Generated Node #0,0,3: 97:[88, 69] Operation: 77-8=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[77, 96], Operations: ['22*4=88', '8+88=96'] Exploring Operation: 77+96=173, Resulting Numbers: [173] 173,97 unequal: No Solution Exploring Operation: 96-77=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 77*96=7392, Resulting Numbers: [7392] 7392,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[88, 85], Operations: ['22*4=88', '8+77=85'] Exploring Operation: 88+85=173, Resulting Numbers: [173] 173,97 unequal: No Solution Exploring Operation: 88-85=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 88*85=7480, Resulting Numbers: [7480] 7480,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[77, 80], Operations: ['22*4=88', '88-8=80'] Exploring Operation: 77+80=157, Resulting Numbers: [157] 157,97 unequal: No Solution Exploring Operation: 77*80=6160, Resulting Numbers: [6160] 6160,97 unequal: No Solution Exploring Operation: 80-77=3, Resulting Numbers: [3] 3,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[88, 69], Operations: ['22*4=88', '77-8=69'] Exploring Operation: 88*69=6072, Resulting Numbers: [6072] 6072,97 unequal: No Solution Exploring Operation: 88+69=157, Resulting Numbers: [157] 157,97 unequal: No Solution Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,97 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: 97:[22, 77, 32], Operations: ['8*4=32'] Exploring Operation: 77+32=109, Resulting Numbers: [22, 109] Generated Node #0,2,0: 97:[22, 109] Operation: 77+32=109 Exploring Operation: 22+32=54, Resulting Numbers: [77, 54] Generated Node #0,2,1: 97:[77, 54] Operation: 22+32=54 Exploring Operation: 77-22=55, Resulting Numbers: [32, 55] Generated Node #0,2,2: 97:[32, 55] Operation: 77-22=55 Exploring Operation: 22+77=99, Resulting Numbers: [32, 99] Generated Node #0,2,3: 97:[32, 99] Operation: 22+77=99 Moving to Node #0,3 Current State: 97:[8, 77, 26], Operations: ['22+4=26'] Exploring Operation: 8+77=85, Resulting Numbers: [26, 85] Generated Node #0,3,0: 97:[26, 85] Operation: 8+77=85 Exploring Operation: 77+26=103, Resulting Numbers: [8, 103] Generated Node #0,3,1: 97:[8, 103] Operation: 77+26=103 Exploring Operation: 8+26=34, Resulting Numbers: [77, 34] Generated Node #0,3,2: 97:[77, 34] Operation: 8+26=34 Exploring Operation: 77-8=69, Resulting Numbers: [26, 69] Generated Node #0,3,3: 97:[26, 69] Operation: 77-8=69 Moving to Node #0,1 Current State: 97:[77, 4, 30], Operations: ['22+8=30'] Exploring Operation: 77-4=73, Resulting Numbers: [30, 73] Generated Node #0,1,0: 97:[30, 73] Operation: 77-4=73 Exploring Operation: 4+30=34, Resulting Numbers: [77, 34] Generated Node #0,1,1: 97:[77, 34] Operation: 4+30=34 Exploring Operation: 4*30=120, Resulting Numbers: [77, 120] Generated Node #0,1,2: 97:[77, 120] Operation: 4*30=120 Exploring Operation: 77+4=81, Resulting Numbers: [30, 81] Generated Node #0,1,3: 97:[30, 81] Operation: 77+4=81 Moving to Node #0,1,2 Current State: 97:[77, 120], Operations: ['22+8=30', '4*30=120'] Exploring Operation: 120-77=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 77+120=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 77*120=9240, Resulting Numbers: [9240] 9240,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[77, 54], Operations: ['8*4=32', '22+32=54'] Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,97 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,97 unequal: No Solution Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[32, 99], Operations: ['8*4=32', '22+77=99'] Exploring Operation: 32*99=3168, Resulting Numbers: [3168] 3168,97 unequal: No Solution Exploring Operation: 32+99=131, Resulting Numbers: [131] 131,97 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[77, 34], Operations: ['22+4=26', '8+26=34'] Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,97 unequal: No Solution Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[30, 81], Operations: ['22+8=30', '77+4=81'] Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,97 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[26, 85], Operations: ['22+4=26', '8+77=85'] Exploring Operation: 26+85=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 26*85=2210, Resulting Numbers: [2210] 2210,97 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[77, 34], Operations: ['22+8=30', '4+30=34'] Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,97 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[22, 109], Operations: ['8*4=32', '77+32=109'] Exploring Operation: 22+109=131, Resulting Numbers: [131] 131,97 unequal: No Solution Exploring Operation: 22*109=2398, Resulting Numbers: [2398] 2398,97 unequal: No Solution Exploring Operation: 109-22=87, Resulting Numbers: [87] 87,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[30, 73], Operations: ['22+8=30', '77-4=73'] Exploring Operation: 30*73=2190, Resulting Numbers: [2190] 2190,97 unequal: No Solution Exploring Operation: 30+73=103, Resulting Numbers: [103] 103,97 unequal: No Solution Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[8, 103], Operations: ['22+4=26', '77+26=103'] Exploring Operation: 8+103=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 103-8=95, Resulting Numbers: [95] 95,97 unequal: No Solution Exploring Operation: 8*103=824, Resulting Numbers: [824] 824,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[26, 69], Operations: ['22+4=26', '77-8=69'] Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,97 unequal: No Solution Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,97 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[32, 55], Operations: ['8*4=32', '77-22=55'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,97 unequal: No Solution Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,97 unequal: No Solution Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,97 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 17, 79, 6, 83 ]
74
[ "83-79=4", "17*4=68", "6+68=74" ]
Current State: 74:[17, 79, 6, 83], Operations: [] Exploring Operation: 83-79=4, Resulting Numbers: [17, 6, 4] Generated Node #2: [17, 6, 4] from Operation: 83-79=4 Current State: 74:[17, 6, 4], Operations: ['83-79=4'] Exploring Operation: 17*4=68, Resulting Numbers: [6, 68] Generated Node #3: [6, 68] from Operation: 17*4=68 Current State: 74:[6, 68], Operations: ['83-79=4', '17*4=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[17, 79, 6, 83], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [79, 6, 66] Generated Node #0,0: 74:[79, 6, 66] Operation: 83-17=66 Exploring Operation: 83-79=4, Resulting Numbers: [17, 6, 4] Generated Node #0,1: 74:[17, 6, 4] Operation: 83-79=4 Exploring Operation: 17-6=11, Resulting Numbers: [79, 83, 11] Generated Node #0,2: 74:[79, 83, 11] Operation: 17-6=11 Moving to Node #0,0 Current State: 74:[79, 6, 66], Operations: ['83-17=66'] Exploring Operation: 66/6=11, Resulting Numbers: [79, 11] Generated Node #0,0,0: 74:[79, 11] Operation: 66/6=11 Exploring Operation: 79-6=73, Resulting Numbers: [66, 73] Generated Node #0,0,1: 74:[66, 73] Operation: 79-6=73 Exploring Operation: 6+66=72, Resulting Numbers: [79, 72] Generated Node #0,0,2: 74:[79, 72] Operation: 6+66=72 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[79, 72], Operations: ['83-17=66', '6+66=72'] Exploring Operation: 79*72=5688, Resulting Numbers: [5688] 5688,74 unequal: No Solution Exploring Operation: 79+72=151, Resulting Numbers: [151] 151,74 unequal: No Solution Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[66, 73], Operations: ['83-17=66', '79-6=73'] Exploring Operation: 66*73=4818, Resulting Numbers: [4818] 4818,74 unequal: No Solution Exploring Operation: 66+73=139, Resulting Numbers: [139] 139,74 unequal: No Solution Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[79, 11], Operations: ['83-17=66', '66/6=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,74 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,74 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: 74:[17, 6, 4], Operations: ['83-79=4'] Exploring Operation: 17-4=13, Resulting Numbers: [6, 13] Generated Node #0,1,0: 74:[6, 13] Operation: 17-4=13 Exploring Operation: 17*4=68, Resulting Numbers: [6, 68] Generated Node #0,1,1: 74:[6, 68] Operation: 17*4=68 Exploring Operation: 17-6=11, Resulting Numbers: [4, 11] Generated Node #0,1,2: 74:[4, 11] Operation: 17-6=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[6, 68], Operations: ['83-79=4', '17*4=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[17, 79, 6, 83], Operations: [] Exploring Operation: 83-79=4, Resulting Numbers: [17, 6, 4] Generated Node #0,1: 74:[17, 6, 4] Operation: 83-79=4 Moving to Node #0,1 Current State: 74:[17, 6, 4], Operations: ['83-79=4'] Exploring Operation: 17*4=68, Resulting Numbers: [6, 68] Generated Node #0,1,1: 74:[6, 68] Operation: 17*4=68 Moving to Node #0,1,1 Current State: 74:[6, 68], Operations: ['83-79=4', '17*4=68'] Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 12, 4, 35, 96 ]
67
[ "12/4=3", "96/3=32", "35+32=67" ]
Current State: 67:[12, 4, 35, 96], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [35, 96, 3] Generated Node #2: [35, 96, 3] from Operation: 12/4=3 Current State: 67:[35, 96, 3], Operations: ['12/4=3'] Exploring Operation: 96/3=32, Resulting Numbers: [35, 32] Generated Node #3: [35, 32] from Operation: 96/3=32 Current State: 67:[35, 32], Operations: ['12/4=3', '96/3=32'] Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[12, 4, 35, 96], Operations: [] Exploring Operation: 12*4=48, Resulting Numbers: [35, 96, 48] Generated Node #0,0: 67:[35, 96, 48] Operation: 12*4=48 Exploring Operation: 12+4=16, Resulting Numbers: [35, 96, 16] Generated Node #0,1: 67:[35, 96, 16] Operation: 12+4=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[35, 96, 48], Operations: ['12*4=48'] Exploring Operation: 35+48=83, Resulting Numbers: [96, 83] Generated Node #0,0,0: 67:[96, 83] Operation: 35+48=83 Exploring Operation: 96-35=61, Resulting Numbers: [48, 61] Generated Node #0,0,1: 67:[48, 61] Operation: 96-35=61 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[48, 61], Operations: ['12*4=48', '96-35=61'] Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,67 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,67 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:[96, 83], Operations: ['12*4=48', '35+48=83'] Exploring Operation: 96+83=179, Resulting Numbers: [179] 179,67 unequal: No Solution Exploring Operation: 96-83=13, Resulting Numbers: [13] 13,67 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: 67:[35, 96, 16], Operations: ['12+4=16'] Exploring Operation: 96-16=80, Resulting Numbers: [35, 80] Generated Node #0,1,0: 67:[35, 80] Operation: 96-16=80 Exploring Operation: 35+16=51, Resulting Numbers: [96, 51] Generated Node #0,1,1: 67:[96, 51] Operation: 35+16=51 Moving to Node #0,1,0 Current State: 67:[35, 80], Operations: ['12+4=16', '96-16=80'] Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[96, 51], Operations: ['12+4=16', '35+16=51'] Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,67 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
[ 33, 8, 52, 30 ]
57
[ "33-8=25", "52+30=82", "82-25=57" ]
Current State: 57:[33, 8, 52, 30], Operations: [] Exploring Operation: 33-8=25, Resulting Numbers: [52, 30, 25] Generated Node #2: [52, 30, 25] from Operation: 33-8=25 Current State: 57:[52, 30, 25], Operations: ['33-8=25'] Exploring Operation: 52+30=82, Resulting Numbers: [25, 82] Generated Node #3: [25, 82] from Operation: 52+30=82 Current State: 57:[25, 82], Operations: ['33-8=25', '52+30=82'] Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[33, 8, 52, 30], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [8, 52, 3] Generated Node #0,0: 57:[8, 52, 3] Operation: 33-30=3 Moving to Node #0,0 Current State: 57:[8, 52, 3], Operations: ['33-30=3'] Exploring Operation: 8+52=60, Resulting Numbers: [3, 60] Generated Node #0,0,0: 57:[3, 60] Operation: 8+52=60 Moving to Node #0,0,0 Current State: 57:[3, 60], Operations: ['33-30=3', '8+52=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[33, 8, 52, 30], Operations: [] Exploring Operation: 33-30=3, Resulting Numbers: [8, 52, 3] Generated Node #0,0: 57:[8, 52, 3] Operation: 33-30=3 Moving to Node #0,0 Current State: 57:[8, 52, 3], Operations: ['33-30=3'] Exploring Operation: 8+52=60, Resulting Numbers: [3, 60] Generated Node #0,0,0: 57:[3, 60] Operation: 8+52=60 Moving to Node #0,0,0 Current State: 57:[3, 60], Operations: ['33-30=3', '8+52=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 97, 2, 95, 53 ]
73
[ "97-53=44", "44/2=22", "95-22=73" ]
Current State: 73:[97, 2, 95, 53], Operations: [] Exploring Operation: 97-53=44, Resulting Numbers: [2, 95, 44] Generated Node #2: [2, 95, 44] from Operation: 97-53=44 Current State: 73:[2, 95, 44], Operations: ['97-53=44'] Exploring Operation: 44/2=22, Resulting Numbers: [95, 22] Generated Node #3: [95, 22] from Operation: 44/2=22 Current State: 73:[95, 22], Operations: ['97-53=44', '44/2=22'] Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[97, 2, 95, 53], Operations: [] Exploring Operation: 97-2=95, Resulting Numbers: [95, 53, 95] Generated Node #0,0: 73:[95, 53, 95] Operation: 97-2=95 Exploring Operation: 95-2=93, Resulting Numbers: [97, 53, 93] Generated Node #0,1: 73:[97, 53, 93] Operation: 95-2=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[95, 53, 95], Operations: ['97-2=95'] Exploring Operation: 95-53=42, Resulting Numbers: [95, 42] Generated Node #0,0,0: 73:[95, 42] Operation: 95-53=42 Exploring Operation: 95-53=42, Resulting Numbers: [95, 42] Generated Node #0,0,1: 73:[95, 42] Operation: 95-53=42 Moving to Node #0,0,0 Current State: 73:[95, 42], Operations: ['97-2=95', '95-53=42'] Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 95+42=137, Resulting Numbers: [137] 137,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[95, 42], Operations: ['97-2=95', '95-53=42'] Exploring Operation: 95+42=137, Resulting Numbers: [137] 137,73 unequal: No Solution Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[97, 53, 93], Operations: ['95-2=93'] Exploring Operation: 93-53=40, Resulting Numbers: [97, 40] Generated Node #0,1,0: 73:[97, 40] Operation: 93-53=40 Exploring Operation: 97-53=44, Resulting Numbers: [93, 44] Generated Node #0,1,1: 73:[93, 44] Operation: 97-53=44 Moving to Node #0,1,1 Current State: 73:[93, 44], Operations: ['95-2=93', '97-53=44'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,73 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[97, 40], Operations: ['95-2=93', '93-53=40'] Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,73 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
[ 87, 10, 69, 58 ]
87
[ "69-10=59", "59-58=1", "87*1=87" ]
Current State: 87:[87, 10, 69, 58], Operations: [] Exploring Operation: 69-10=59, Resulting Numbers: [87, 58, 59] Generated Node #2: [87, 58, 59] from Operation: 69-10=59 Current State: 87:[87, 58, 59], Operations: ['69-10=59'] Exploring Operation: 59-58=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 59-58=1 Current State: 87:[87, 1], Operations: ['69-10=59', '59-58=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 10, 69, 58], Operations: [] Exploring Operation: 10+58=68, Resulting Numbers: [87, 69, 68] Generated Node #0,0: 87:[87, 69, 68] Operation: 10+58=68 Exploring Operation: 87-58=29, Resulting Numbers: [10, 69, 29] Generated Node #0,1: 87:[10, 69, 29] Operation: 87-58=29 Exploring Operation: 69-58=11, Resulting Numbers: [87, 10, 11] Generated Node #0,2: 87:[87, 10, 11] Operation: 69-58=11 Exploring Operation: 10+69=79, Resulting Numbers: [87, 58, 79] Generated Node #0,3: 87:[87, 58, 79] Operation: 10+69=79 Moving to Node #0,2 Current State: 87:[87, 10, 11], Operations: ['69-58=11'] Exploring Operation: 87-10=77, Resulting Numbers: [11, 77] Generated Node #0,2,0: 87:[11, 77] Operation: 87-10=77 Exploring Operation: 10+11=21, Resulting Numbers: [87, 21] Generated Node #0,2,1: 87:[87, 21] Operation: 10+11=21 Exploring Operation: 87+10=97, Resulting Numbers: [11, 97] Generated Node #0,2,2: 87:[11, 97] Operation: 87+10=97 Exploring Operation: 11-10=1, Resulting Numbers: [87, 1] Generated Node #0,2,3: 87:[87, 1] Operation: 11-10=1 Moving to Node #0,1 Current State: 87:[10, 69, 29], Operations: ['87-58=29'] Exploring Operation: 69+29=98, Resulting Numbers: [10, 98] Generated Node #0,1,0: 87:[10, 98] Operation: 69+29=98 Exploring Operation: 69-10=59, Resulting Numbers: [29, 59] Generated Node #0,1,1: 87:[29, 59] Operation: 69-10=59 Exploring Operation: 10+69=79, Resulting Numbers: [29, 79] Generated Node #0,1,2: 87:[29, 79] Operation: 10+69=79 Exploring Operation: 69-29=40, Resulting Numbers: [10, 40] Generated Node #0,1,3: 87:[10, 40] Operation: 69-29=40 Moving to Node #0,3 Current State: 87:[87, 58, 79], Operations: ['10+69=79'] Exploring Operation: 58+79=137, Resulting Numbers: [87, 137] Generated Node #0,3,0: 87:[87, 137] Operation: 58+79=137 Exploring Operation: 79-58=21, Resulting Numbers: [87, 21] Generated Node #0,3,1: 87:[87, 21] Operation: 79-58=21 Exploring Operation: 87-58=29, Resulting Numbers: [79, 29] Generated Node #0,3,2: 87:[79, 29] Operation: 87-58=29 Exploring Operation: 87-79=8, Resulting Numbers: [58, 8] Generated Node #0,3,3: 87:[58, 8] Operation: 87-79=8 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 87:[87, 21], Operations: ['10+69=79', '79-58=21'] Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,87 unequal: No Solution Exploring Operation: 87*21=1827, Resulting Numbers: [1827] 1827,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 87:[79, 29], Operations: ['10+69=79', '87-58=29'] Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,87 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 87:[58, 8], Operations: ['10+69=79', '87-79=8'] Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,87 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,87 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 87:[87, 137], Operations: ['10+69=79', '58+79=137'] Exploring Operation: 87*137=11919, Resulting Numbers: [11919] 11919,87 unequal: No Solution Exploring Operation: 137-87=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 87+137=224, Resulting Numbers: [224] 224,87 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: 87:[87, 69, 68], Operations: ['10+58=68'] Exploring Operation: 87-69=18, Resulting Numbers: [68, 18] Generated Node #0,0,0: 87:[68, 18] Operation: 87-69=18 Exploring Operation: 69+68=137, Resulting Numbers: [87, 137] Generated Node #0,0,1: 87:[87, 137] Operation: 69+68=137 Exploring Operation: 69-68=1, Resulting Numbers: [87, 1] Generated Node #0,0,2: 87:[87, 1] Operation: 69-68=1 Exploring Operation: 87-68=19, Resulting Numbers: [69, 19] Generated Node #0,0,3: 87:[69, 19] Operation: 87-68=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[87, 1], Operations: ['10+58=68', '69-68=1'] Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[87, 10, 69, 58], Operations: [] Exploring Operation: 10+58=68, Resulting Numbers: [87, 69, 68] Generated Node #0,0: 87:[87, 69, 68] Operation: 10+58=68 Moving to Node #0,0 Current State: 87:[87, 69, 68], Operations: ['10+58=68'] Exploring Operation: 69-68=1, Resulting Numbers: [87, 1] Generated Node #0,0,2: 87:[87, 1] Operation: 69-68=1 Moving to Node #0,0,2 Current State: 87:[87, 1], Operations: ['10+58=68', '69-68=1'] Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 93, 66, 77, 50 ]
13
[ "93+50=143", "77-66=11", "143/11=13" ]
Current State: 13:[93, 66, 77, 50], Operations: [] Exploring Operation: 93+50=143, Resulting Numbers: [66, 77, 143] Generated Node #2: [66, 77, 143] from Operation: 93+50=143 Current State: 13:[66, 77, 143], Operations: ['93+50=143'] Exploring Operation: 77-66=11, Resulting Numbers: [143, 11] Generated Node #3: [143, 11] from Operation: 77-66=11 Current State: 13:[143, 11], Operations: ['93+50=143', '77-66=11'] Exploring Operation: 143/11=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[93, 66, 77, 50], Operations: [] Exploring Operation: 93-77=16, Resulting Numbers: [66, 50, 16] Generated Node #0,0: 13:[66, 50, 16] Operation: 93-77=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[66, 50, 16], Operations: ['93-77=16'] Exploring Operation: 66-50=16, Resulting Numbers: [16, 16] Generated Node #0,0,0: 13:[16, 16] Operation: 66-50=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[16, 16], Operations: ['93-77=16', '66-50=16'] Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 29, 97, 56 ]
76
[ "56/7=8", "97-29=68", "8+68=76" ]
Current State: 76:[7, 29, 97, 56], Operations: [] Exploring Operation: 56/7=8, Resulting Numbers: [29, 97, 8] Generated Node #2: [29, 97, 8] from Operation: 56/7=8 Current State: 76:[29, 97, 8], Operations: ['56/7=8'] Exploring Operation: 97-29=68, Resulting Numbers: [8, 68] Generated Node #3: [8, 68] from Operation: 97-29=68 Current State: 76:[8, 68], Operations: ['56/7=8', '97-29=68'] Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[7, 29, 97, 56], Operations: [] Exploring Operation: 97-29=68, Resulting Numbers: [7, 56, 68] Generated Node #0,0: 76:[7, 56, 68] Operation: 97-29=68 Exploring Operation: 56-29=27, Resulting Numbers: [7, 97, 27] Generated Node #0,1: 76:[7, 97, 27] Operation: 56-29=27 Exploring Operation: 97-56=41, Resulting Numbers: [7, 29, 41] Generated Node #0,2: 76:[7, 29, 41] Operation: 97-56=41 Exploring Operation: 29+56=85, Resulting Numbers: [7, 97, 85] Generated Node #0,3: 76:[7, 97, 85] Operation: 29+56=85 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[7, 29, 41], Operations: ['97-56=41'] Exploring Operation: 7+29=36, Resulting Numbers: [41, 36] Generated Node #0,2,0: 76:[41, 36] Operation: 7+29=36 Exploring Operation: 41-29=12, Resulting Numbers: [7, 12] Generated Node #0,2,1: 76:[7, 12] Operation: 41-29=12 Exploring Operation: 29-7=22, Resulting Numbers: [41, 22] Generated Node #0,2,2: 76:[41, 22] Operation: 29-7=22 Exploring Operation: 29+41=70, Resulting Numbers: [7, 70] Generated Node #0,2,3: 76:[7, 70] Operation: 29+41=70 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 76:[41, 36], Operations: ['97-56=41', '7+29=36'] Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[41, 22], Operations: ['97-56=41', '29-7=22'] Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,76 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 76:[7, 70], Operations: ['97-56=41', '29+41=70'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 7*70=490, Resulting Numbers: [490] 490,76 unequal: No Solution Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 76:[7, 12], Operations: ['97-56=41', '41-29=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[7, 56, 68], Operations: ['97-29=68'] Exploring Operation: 68-56=12, Resulting Numbers: [7, 12] Generated Node #0,0,0: 76:[7, 12] Operation: 68-56=12 Exploring Operation: 56/7=8, Resulting Numbers: [68, 8] Generated Node #0,0,1: 76:[68, 8] Operation: 56/7=8 Exploring Operation: 56-7=49, Resulting Numbers: [68, 49] Generated Node #0,0,2: 76:[68, 49] Operation: 56-7=49 Exploring Operation: 7+68=75, Resulting Numbers: [56, 75] Generated Node #0,0,3: 76:[56, 75] Operation: 7+68=75 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[7, 12], Operations: ['97-29=68', '68-56=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[68, 8], Operations: ['97-29=68', '56/7=8'] Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,76 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[7, 29, 97, 56], Operations: [] Exploring Operation: 97-29=68, Resulting Numbers: [7, 56, 68] Generated Node #0,0: 76:[7, 56, 68] Operation: 97-29=68 Moving to Node #0,0 Current State: 76:[7, 56, 68], Operations: ['97-29=68'] Exploring Operation: 56/7=8, Resulting Numbers: [68, 8] Generated Node #0,0,1: 76:[68, 8] Operation: 56/7=8 Moving to Node #0,0,1 Current State: 76:[68, 8], Operations: ['97-29=68', '56/7=8'] Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 69, 84, 8, 4 ]
24
[ "69*4=276", "276-84=192", "192/8=24" ]
Current State: 24:[69, 84, 8, 4], Operations: [] Exploring Operation: 69*4=276, Resulting Numbers: [84, 8, 276] Generated Node #2: [84, 8, 276] from Operation: 69*4=276 Current State: 24:[84, 8, 276], Operations: ['69*4=276'] Exploring Operation: 276-84=192, Resulting Numbers: [8, 192] Generated Node #3: [8, 192] from Operation: 276-84=192 Current State: 24:[8, 192], Operations: ['69*4=276', '276-84=192'] Exploring Operation: 192/8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[69, 84, 8, 4], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [8, 4, 15] Generated Node #0,0: 24:[8, 4, 15] Operation: 84-69=15 Exploring Operation: 69-8=61, Resulting Numbers: [84, 4, 61] Generated Node #0,1: 24:[84, 4, 61] Operation: 69-8=61 Exploring Operation: 84/4=21, Resulting Numbers: [69, 8, 21] Generated Node #0,2: 24:[69, 8, 21] Operation: 84/4=21 Exploring Operation: 84-8=76, Resulting Numbers: [69, 4, 76] Generated Node #0,3: 24:[69, 4, 76] Operation: 84-8=76 Moving to Node #0,0 Current State: 24:[8, 4, 15], Operations: ['84-69=15'] Exploring Operation: 15-8=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 24:[4, 7] Operation: 15-8=7 Exploring Operation: 8+4=12, Resulting Numbers: [15, 12] Generated Node #0,0,1: 24:[15, 12] Operation: 8+4=12 Exploring Operation: 15-4=11, Resulting Numbers: [8, 11] Generated Node #0,0,2: 24:[8, 11] Operation: 15-4=11 Exploring Operation: 8+15=23, Resulting Numbers: [4, 23] Generated Node #0,0,3: 24:[4, 23] Operation: 8+15=23 Moving to Node #0,2 Current State: 24:[69, 8, 21], Operations: ['84/4=21'] Exploring Operation: 69-21=48, Resulting Numbers: [8, 48] Generated Node #0,2,0: 24:[8, 48] Operation: 69-21=48 Exploring Operation: 69-8=61, Resulting Numbers: [21, 61] Generated Node #0,2,1: 24:[21, 61] Operation: 69-8=61 Exploring Operation: 21-8=13, Resulting Numbers: [69, 13] Generated Node #0,2,2: 24:[69, 13] Operation: 21-8=13 Exploring Operation: 8+21=29, Resulting Numbers: [69, 29] Generated Node #0,2,3: 24:[69, 29] Operation: 8+21=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[8, 48], Operations: ['84/4=21', '69-21=48'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 8*48=384, Resulting Numbers: [384] 384,24 unequal: No Solution No 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: 24:[21, 61], Operations: ['84/4=21', '69-8=61'] Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,24 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,24 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,24 unequal: No Solution No 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: 24:[69, 13], Operations: ['84/4=21', '21-8=13'] Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,24 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,24 unequal: No Solution Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,24 unequal: No Solution No 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: 24:[69, 29], Operations: ['84/4=21', '8+21=29'] Exploring Operation: 69+29=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 69*29=2001, Resulting Numbers: [2001] 2001,24 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,24 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: 24:[69, 4, 76], Operations: ['84-8=76'] Exploring Operation: 69-4=65, Resulting Numbers: [76, 65] Generated Node #0,3,0: 24:[76, 65] Operation: 69-4=65 Exploring Operation: 76-4=72, Resulting Numbers: [69, 72] Generated Node #0,3,1: 24:[69, 72] Operation: 76-4=72 Exploring Operation: 76/4=19, Resulting Numbers: [69, 19] Generated Node #0,3,2: 24:[69, 19] Operation: 76/4=19 Exploring Operation: 76-69=7, Resulting Numbers: [4, 7] Generated Node #0,3,3: 24:[4, 7] Operation: 76-69=7 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 24:[4, 7], Operations: ['84-8=76', '76-69=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,24 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,24 unequal: No Solution No 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: 24:[69, 19], Operations: ['84-8=76', '76/4=19'] Exploring Operation: 69+19=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 69*19=1311, Resulting Numbers: [1311] 1311,24 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,24 unequal: No Solution No 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: 24:[76, 65], Operations: ['84-8=76', '69-4=65'] Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,24 unequal: No Solution Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,24 unequal: No Solution No 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: 24:[69, 72], Operations: ['84-8=76', '76-4=72'] Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 69*72=4968, Resulting Numbers: [4968] 4968,24 unequal: No Solution Exploring Operation: 69+72=141, Resulting Numbers: [141] 141,24 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: 24:[84, 4, 61], Operations: ['69-8=61'] Exploring Operation: 84-4=80, Resulting Numbers: [61, 80] Generated Node #0,1,0: 24:[61, 80] Operation: 84-4=80 Exploring Operation: 84-61=23, Resulting Numbers: [4, 23] Generated Node #0,1,1: 24:[4, 23] Operation: 84-61=23 Exploring Operation: 61-4=57, Resulting Numbers: [84, 57] Generated Node #0,1,2: 24:[84, 57] Operation: 61-4=57 Exploring Operation: 84/4=21, Resulting Numbers: [61, 21] Generated Node #0,1,3: 24:[61, 21] Operation: 84/4=21 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[4, 23], Operations: ['69-8=61', '84-61=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,24 unequal: No Solution No 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: 24:[61, 21], Operations: ['69-8=61', '84/4=21'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,24 unequal: No Solution Exploring Operation: 61+21=82, Resulting Numbers: [82] 82,24 unequal: No Solution Exploring Operation: 61*21=1281, Resulting Numbers: [1281] 1281,24 unequal: No Solution No 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: 24:[61, 80], Operations: ['69-8=61', '84-4=80'] Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,24 unequal: No Solution Exploring Operation: 61*80=4880, Resulting Numbers: [4880] 4880,24 unequal: No Solution No 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: 24:[84, 57], Operations: ['69-8=61', '61-4=57'] Exploring Operation: 84+57=141, Resulting Numbers: [141] 141,24 unequal: No Solution Exploring Operation: 84*57=4788, Resulting Numbers: [4788] 4788,24 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,24 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: 24:[4, 7], Operations: ['84-69=15', '15-8=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[4, 23], Operations: ['84-69=15', '8+15=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,24 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[8, 11], Operations: ['84-69=15', '15-4=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[15, 12], Operations: ['84-69=15', '8+4=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,24 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,24 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 24, 20, 54, 37 ]
47
[ "24+20=44", "54+37=91", "91-44=47" ]
Current State: 47:[24, 20, 54, 37], Operations: [] Exploring Operation: 24+20=44, Resulting Numbers: [54, 37, 44] Generated Node #2: [54, 37, 44] from Operation: 24+20=44 Current State: 47:[54, 37, 44], Operations: ['24+20=44'] Exploring Operation: 54+37=91, Resulting Numbers: [44, 91] Generated Node #3: [44, 91] from Operation: 54+37=91 Current State: 47:[44, 91], Operations: ['24+20=44', '54+37=91'] Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[24, 20, 54, 37], Operations: [] Exploring Operation: 24+20=44, Resulting Numbers: [54, 37, 44] Generated Node #0,0: 47:[54, 37, 44] Operation: 24+20=44 Exploring Operation: 54-24=30, Resulting Numbers: [20, 37, 30] Generated Node #0,1: 47:[20, 37, 30] Operation: 54-24=30 Exploring Operation: 54-20=34, Resulting Numbers: [24, 37, 34] Generated Node #0,2: 47:[24, 37, 34] Operation: 54-20=34 Exploring Operation: 20+37=57, Resulting Numbers: [24, 54, 57] Generated Node #0,3: 47:[24, 54, 57] Operation: 20+37=57 Exploring Operation: 24+37=61, Resulting Numbers: [20, 54, 61] Generated Node #0,4: 47:[20, 54, 61] Operation: 24+37=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[54, 37, 44], Operations: ['24+20=44'] Exploring Operation: 54+37=91, Resulting Numbers: [44, 91] Generated Node #0,0,0: 47:[44, 91] Operation: 54+37=91 Exploring Operation: 37+44=81, Resulting Numbers: [54, 81] Generated Node #0,0,1: 47:[54, 81] Operation: 37+44=81 Exploring Operation: 44-37=7, Resulting Numbers: [54, 7] Generated Node #0,0,2: 47:[54, 7] Operation: 44-37=7 Exploring Operation: 54-37=17, Resulting Numbers: [44, 17] Generated Node #0,0,3: 47:[44, 17] Operation: 54-37=17 Exploring Operation: 54-44=10, Resulting Numbers: [37, 10] Generated Node #0,0,4: 47:[37, 10] Operation: 54-44=10 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[44, 17], Operations: ['24+20=44', '54-37=17'] Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,47 unequal: No Solution Exploring Operation: 44*17=748, Resulting Numbers: [748] 748,47 unequal: No Solution Exploring Operation: 44+17=61, Resulting Numbers: [61] 61,47 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:[54, 81], Operations: ['24+20=44', '37+44=81'] Exploring Operation: 54+81=135, Resulting Numbers: [135] 135,47 unequal: No Solution Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,47 unequal: No Solution Exploring Operation: 54*81=4374, Resulting Numbers: [4374] 4374,47 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:[44, 91], Operations: ['24+20=44', '54+37=91'] Exploring Operation: 44*91=4004, Resulting Numbers: [4004] 4004,47 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[24, 20, 54, 37], Operations: [] Exploring Operation: 24+20=44, Resulting Numbers: [54, 37, 44] Generated Node #0,0: 47:[54, 37, 44] Operation: 24+20=44 Moving to Node #0,0 Current State: 47:[54, 37, 44], Operations: ['24+20=44'] Exploring Operation: 54+37=91, Resulting Numbers: [44, 91] Generated Node #0,0,0: 47:[44, 91] Operation: 54+37=91 Moving to Node #0,0,0 Current State: 47:[44, 91], Operations: ['24+20=44', '54+37=91'] Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 61, 57, 71, 2 ]
63
[ "61-57=4", "2*4=8", "71-8=63" ]
Current State: 63:[61, 57, 71, 2], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [71, 2, 4] Generated Node #2: [71, 2, 4] from Operation: 61-57=4 Current State: 63:[71, 2, 4], Operations: ['61-57=4'] Exploring Operation: 2*4=8, Resulting Numbers: [71, 8] Generated Node #3: [71, 8] from Operation: 2*4=8 Current State: 63:[71, 8], Operations: ['61-57=4', '2*4=8'] Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[61, 57, 71, 2], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [57, 2, 10] Generated Node #0,0: 63:[57, 2, 10] Operation: 71-61=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[57, 2, 10], Operations: ['71-61=10'] Exploring Operation: 57+2=59, Resulting Numbers: [10, 59] Generated Node #0,0,0: 63:[10, 59] Operation: 57+2=59 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[10, 59], Operations: ['71-61=10', '57+2=59'] Exploring Operation: 10+59=69, Resulting Numbers: [69] 69,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 4, 18, 69, 32 ]
35
[ "4*18=72", "69-32=37", "72-37=35" ]
Current State: 35:[4, 18, 69, 32], Operations: [] Exploring Operation: 4*18=72, Resulting Numbers: [69, 32, 72] Generated Node #2: [69, 32, 72] from Operation: 4*18=72 Current State: 35:[69, 32, 72], Operations: ['4*18=72'] Exploring Operation: 69-32=37, Resulting Numbers: [72, 37] Generated Node #3: [72, 37] from Operation: 69-32=37 Current State: 35:[72, 37], Operations: ['4*18=72', '69-32=37'] Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[4, 18, 69, 32], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [4, 18, 37] Generated Node #0,0: 35:[4, 18, 37] Operation: 69-32=37 Moving to Node #0,0 Current State: 35:[4, 18, 37], Operations: ['69-32=37'] Exploring Operation: 18-4=14, Resulting Numbers: [37, 14] Generated Node #0,0,0: 35:[37, 14] Operation: 18-4=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[37, 14], Operations: ['69-32=37', '18-4=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,35 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
[ 9, 11, 12, 19 ]
98
[ "19-9=10", "11*10=110", "110-12=98" ]
Current State: 98:[9, 11, 12, 19], Operations: [] Exploring Operation: 19-9=10, Resulting Numbers: [11, 12, 10] Generated Node #2: [11, 12, 10] from Operation: 19-9=10 Current State: 98:[11, 12, 10], Operations: ['19-9=10'] Exploring Operation: 11*10=110, Resulting Numbers: [12, 110] Generated Node #3: [12, 110] from Operation: 11*10=110 Current State: 98:[12, 110], Operations: ['19-9=10', '11*10=110'] Exploring Operation: 110-12=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[9, 11, 12, 19], Operations: [] Exploring Operation: 19-11=8, Resulting Numbers: [9, 12, 8] Generated Node #0,0: 98:[9, 12, 8] Operation: 19-11=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[9, 12, 8], Operations: ['19-11=8'] Exploring Operation: 12-9=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 98:[8, 3] Operation: 12-9=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[8, 3], Operations: ['19-11=8', '12-9=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 41, 85, 53, 68 ]
51
[ "41*68=2788", "2788-85=2703", "2703/53=51" ]
Current State: 51:[41, 85, 53, 68], Operations: [] Exploring Operation: 41*68=2788, Resulting Numbers: [85, 53, 2788] Generated Node #2: [85, 53, 2788] from Operation: 41*68=2788 Current State: 51:[85, 53, 2788], Operations: ['41*68=2788'] Exploring Operation: 2788-85=2703, Resulting Numbers: [53, 2703] Generated Node #3: [53, 2703] from Operation: 2788-85=2703 Current State: 51:[53, 2703], Operations: ['41*68=2788', '2788-85=2703'] Exploring Operation: 2703/53=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[41, 85, 53, 68], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [41, 53, 17] Generated Node #0,0: 51:[41, 53, 17] Operation: 85-68=17 Exploring Operation: 85-41=44, Resulting Numbers: [53, 68, 44] Generated Node #0,1: 51:[53, 68, 44] Operation: 85-41=44 Exploring Operation: 85-53=32, Resulting Numbers: [41, 68, 32] Generated Node #0,2: 51:[41, 68, 32] Operation: 85-53=32 Exploring Operation: 68-53=15, Resulting Numbers: [41, 85, 15] Generated Node #0,3: 51:[41, 85, 15] Operation: 68-53=15 Exploring Operation: 68-41=27, Resulting Numbers: [85, 53, 27] Generated Node #0,4: 51:[85, 53, 27] Operation: 68-41=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[41, 53, 17], Operations: ['85-68=17'] Exploring Operation: 41+17=58, Resulting Numbers: [53, 58] Generated Node #0,0,0: 51:[53, 58] Operation: 41+17=58 Exploring Operation: 53-41=12, Resulting Numbers: [17, 12] Generated Node #0,0,1: 51:[17, 12] Operation: 53-41=12 Exploring Operation: 53+17=70, Resulting Numbers: [41, 70] Generated Node #0,0,2: 51:[41, 70] Operation: 53+17=70 Exploring Operation: 53-17=36, Resulting Numbers: [41, 36] Generated Node #0,0,3: 51:[41, 36] Operation: 53-17=36 Exploring Operation: 41-17=24, Resulting Numbers: [53, 24] Generated Node #0,0,4: 51:[53, 24] Operation: 41-17=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[17, 12], Operations: ['85-68=17', '53-41=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,51 unequal: No Solution No 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: 51:[53, 58], Operations: ['85-68=17', '41+17=58'] Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,51 unequal: No Solution Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,51 unequal: No Solution No 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: 51:[53, 24], Operations: ['85-68=17', '41-17=24'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,51 unequal: No Solution No 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: 51:[41, 36], Operations: ['85-68=17', '53-17=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,51 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,51 unequal: No Solution No 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: 51:[41, 70], Operations: ['85-68=17', '53+17=70'] Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,51 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,51 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: 51:[53, 68, 44], Operations: ['85-41=44'] Exploring Operation: 68-44=24, Resulting Numbers: [53, 24] Generated Node #0,1,0: 51:[53, 24] Operation: 68-44=24 Exploring Operation: 68-53=15, Resulting Numbers: [44, 15] Generated Node #0,1,1: 51:[44, 15] Operation: 68-53=15 Exploring Operation: 68+44=112, Resulting Numbers: [53, 112] Generated Node #0,1,2: 51:[53, 112] Operation: 68+44=112 Exploring Operation: 53+44=97, Resulting Numbers: [68, 97] Generated Node #0,1,3: 51:[68, 97] Operation: 53+44=97 Exploring Operation: 53-44=9, Resulting Numbers: [68, 9] Generated Node #0,1,4: 51:[68, 9] Operation: 53-44=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[53, 24], Operations: ['85-41=44', '68-44=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,51 unequal: No Solution No 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: 51:[44, 15], Operations: ['85-41=44', '68-53=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,51 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,51 unequal: No Solution No 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: 51:[68, 9], Operations: ['85-41=44', '53-44=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,51 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,51 unequal: No Solution No 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: 51:[53, 112], Operations: ['85-41=44', '68+44=112'] Exploring Operation: 53*112=5936, Resulting Numbers: [5936] 5936,51 unequal: No Solution Exploring Operation: 53+112=165, Resulting Numbers: [165] 165,51 unequal: No Solution Exploring Operation: 112-53=59, Resulting Numbers: [59] 59,51 unequal: No Solution No 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: 51:[68, 97], Operations: ['85-41=44', '53+44=97'] Exploring Operation: 68*97=6596, Resulting Numbers: [6596] 6596,51 unequal: No Solution Exploring Operation: 68+97=165, Resulting Numbers: [165] 165,51 unequal: No Solution Exploring Operation: 97-68=29, Resulting Numbers: [29] 29,51 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: 51:[41, 68, 32], Operations: ['85-53=32'] Exploring Operation: 41-32=9, Resulting Numbers: [68, 9] Generated Node #0,2,0: 51:[68, 9] Operation: 41-32=9 Exploring Operation: 68-41=27, Resulting Numbers: [32, 27] Generated Node #0,2,1: 51:[32, 27] Operation: 68-41=27 Exploring Operation: 41+32=73, Resulting Numbers: [68, 73] Generated Node #0,2,2: 51:[68, 73] Operation: 41+32=73 Exploring Operation: 68+32=100, Resulting Numbers: [41, 100] Generated Node #0,2,3: 51:[41, 100] Operation: 68+32=100 Exploring Operation: 68-32=36, Resulting Numbers: [41, 36] Generated Node #0,2,4: 51:[41, 36] Operation: 68-32=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[68, 9], Operations: ['85-53=32', '41-32=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,51 unequal: No Solution No 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: 51:[32, 27], Operations: ['85-53=32', '68-41=27'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 51:[41, 36], Operations: ['85-53=32', '68-32=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,51 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,51 unequal: No Solution No 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: 51:[68, 73], Operations: ['85-53=32', '41+32=73'] Exploring Operation: 68*73=4964, Resulting Numbers: [4964] 4964,51 unequal: No Solution Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 68+73=141, Resulting Numbers: [141] 141,51 unequal: No Solution No 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: 51:[41, 100], Operations: ['85-53=32', '68+32=100'] Exploring Operation: 41*100=4100, Resulting Numbers: [4100] 4100,51 unequal: No Solution Exploring Operation: 41+100=141, Resulting Numbers: [141] 141,51 unequal: No Solution Exploring Operation: 100-41=59, Resulting Numbers: [59] 59,51 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: 51:[41, 85, 15], Operations: ['68-53=15'] Exploring Operation: 85-41=44, Resulting Numbers: [15, 44] Generated Node #0,3,0: 51:[15, 44] Operation: 85-41=44 Exploring Operation: 41-15=26, Resulting Numbers: [85, 26] Generated Node #0,3,1: 51:[85, 26] Operation: 41-15=26 Exploring Operation: 85-15=70, Resulting Numbers: [41, 70] Generated Node #0,3,2: 51:[41, 70] Operation: 85-15=70 Exploring Operation: 85+15=100, Resulting Numbers: [41, 100] Generated Node #0,3,3: 51:[41, 100] Operation: 85+15=100 Exploring Operation: 41+15=56, Resulting Numbers: [85, 56] Generated Node #0,3,4: 51:[85, 56] Operation: 41+15=56 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[15, 44], Operations: ['68-53=15', '85-41=44'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 15*44=660, Resulting Numbers: [660] 660,51 unequal: No Solution No 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: 51:[41, 70], Operations: ['68-53=15', '85-15=70'] Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,51 unequal: No Solution No 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: 51:[85, 56], Operations: ['68-53=15', '41+15=56'] Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,51 unequal: No Solution Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,51 unequal: No Solution No 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: 51:[85, 26], Operations: ['68-53=15', '41-15=26'] Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,51 unequal: No Solution No 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: 51:[41, 100], Operations: ['68-53=15', '85+15=100'] Exploring Operation: 100-41=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 41*100=4100, Resulting Numbers: [4100] 4100,51 unequal: No Solution Exploring Operation: 41+100=141, Resulting Numbers: [141] 141,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[85, 53, 27], Operations: ['68-41=27'] Exploring Operation: 85-53=32, Resulting Numbers: [27, 32] Generated Node #0,4,0: 51:[27, 32] Operation: 85-53=32 Exploring Operation: 53-27=26, Resulting Numbers: [85, 26] Generated Node #0,4,1: 51:[85, 26] Operation: 53-27=26 Exploring Operation: 85-27=58, Resulting Numbers: [53, 58] Generated Node #0,4,2: 51:[53, 58] Operation: 85-27=58 Exploring Operation: 53+27=80, Resulting Numbers: [85, 80] Generated Node #0,4,3: 51:[85, 80] Operation: 53+27=80 Exploring Operation: 85+27=112, Resulting Numbers: [53, 112] Generated Node #0,4,4: 51:[53, 112] Operation: 85+27=112 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 51:[53, 58], Operations: ['68-41=27', '85-27=58'] Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,51 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,51 unequal: No Solution No 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: 51:[27, 32], Operations: ['68-41=27', '85-53=32'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 27*32=864, Resulting Numbers: [864] 864,51 unequal: No Solution No 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: 51:[85, 26], Operations: ['68-41=27', '53-27=26'] Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 85*26=2210, Resulting Numbers: [2210] 2210,51 unequal: No Solution Exploring Operation: 85+26=111, Resulting Numbers: [111] 111,51 unequal: No Solution No 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: 51:[85, 80], Operations: ['68-41=27', '53+27=80'] Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 85+80=165, Resulting Numbers: [165] 165,51 unequal: No Solution Exploring Operation: 85*80=6800, Resulting Numbers: [6800] 6800,51 unequal: No Solution No 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: 51:[53, 112], Operations: ['68-41=27', '85+27=112'] Exploring Operation: 53*112=5936, Resulting Numbers: [5936] 5936,51 unequal: No Solution Exploring Operation: 53+112=165, Resulting Numbers: [165] 165,51 unequal: No Solution Exploring Operation: 112-53=59, Resulting Numbers: [59] 59,51 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
[ 17, 38, 59, 64 ]
47
[ "64-59=5", "17*5=85", "85-38=47" ]
Current State: 47:[17, 38, 59, 64], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [17, 38, 5] Generated Node #2: [17, 38, 5] from Operation: 64-59=5 Current State: 47:[17, 38, 5], Operations: ['64-59=5'] Exploring Operation: 17*5=85, Resulting Numbers: [38, 85] Generated Node #3: [38, 85] from Operation: 17*5=85 Current State: 47:[38, 85], Operations: ['64-59=5', '17*5=85'] Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[17, 38, 59, 64], Operations: [] Exploring Operation: 64-17=47, Resulting Numbers: [38, 59, 47] Generated Node #0,0: 47:[38, 59, 47] Operation: 64-17=47 Moving to Node #0,0 Current State: 47:[38, 59, 47], Operations: ['64-17=47'] Exploring Operation: 59-38=21, Resulting Numbers: [47, 21] Generated Node #0,0,0: 47:[47, 21] Operation: 59-38=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[47, 21], Operations: ['64-17=47', '59-38=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 34, 70, 90 ]
21
[ "90/6=15", "70-34=36", "36-15=21" ]
Current State: 21:[6, 34, 70, 90], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [34, 70, 15] Generated Node #2: [34, 70, 15] from Operation: 90/6=15 Current State: 21:[34, 70, 15], Operations: ['90/6=15'] Exploring Operation: 70-34=36, Resulting Numbers: [15, 36] Generated Node #3: [15, 36] from Operation: 70-34=36 Current State: 21:[15, 36], Operations: ['90/6=15', '70-34=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[6, 34, 70, 90], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [6, 90, 36] Generated Node #0,0: 21:[6, 90, 36] Operation: 70-34=36 Exploring Operation: 90-34=56, Resulting Numbers: [6, 70, 56] Generated Node #0,1: 21:[6, 70, 56] Operation: 90-34=56 Exploring Operation: 90-70=20, Resulting Numbers: [6, 34, 20] Generated Node #0,2: 21:[6, 34, 20] Operation: 90-70=20 Exploring Operation: 90/6=15, Resulting Numbers: [34, 70, 15] Generated Node #0,3: 21:[34, 70, 15] Operation: 90/6=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[6, 34, 20], Operations: ['90-70=20'] Exploring Operation: 34-6=28, Resulting Numbers: [20, 28] Generated Node #0,2,0: 21:[20, 28] Operation: 34-6=28 Exploring Operation: 6+20=26, Resulting Numbers: [34, 26] Generated Node #0,2,1: 21:[34, 26] Operation: 6+20=26 Exploring Operation: 6+34=40, Resulting Numbers: [20, 40] Generated Node #0,2,2: 21:[20, 40] Operation: 6+34=40 Exploring Operation: 34-20=14, Resulting Numbers: [6, 14] Generated Node #0,2,3: 21:[6, 14] Operation: 34-20=14 Moving to Node #0,2,0 Current State: 21:[20, 28], Operations: ['90-70=20', '34-6=28'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,21 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[6, 14], Operations: ['90-70=20', '34-20=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,21 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[34, 26], Operations: ['90-70=20', '6+20=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[20, 40], Operations: ['90-70=20', '6+34=40'] Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,21 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 20*40=800, Resulting Numbers: [800] 800,21 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 Current State: 21:[34, 70, 15], Operations: ['90/6=15'] Exploring Operation: 34-15=19, Resulting Numbers: [70, 19] Generated Node #0,3,0: 21:[70, 19] Operation: 34-15=19 Exploring Operation: 70-34=36, Resulting Numbers: [15, 36] Generated Node #0,3,1: 21:[15, 36] Operation: 70-34=36 Exploring Operation: 70-15=55, Resulting Numbers: [34, 55] Generated Node #0,3,2: 21:[34, 55] Operation: 70-15=55 Exploring Operation: 34+15=49, Resulting Numbers: [70, 49] Generated Node #0,3,3: 21:[70, 49] Operation: 34+15=49 Moving to Node #0,3,1 Current State: 21:[15, 36], Operations: ['90/6=15', '70-34=36'] Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,21 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[6, 34, 70, 90], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [34, 70, 15] Generated Node #0,3: 21:[34, 70, 15] Operation: 90/6=15 Moving to Node #0,3 Current State: 21:[34, 70, 15], Operations: ['90/6=15'] Exploring Operation: 70-34=36, Resulting Numbers: [15, 36] Generated Node #0,3,1: 21:[15, 36] Operation: 70-34=36 Moving to Node #0,3,1 Current State: 21:[15, 36], Operations: ['90/6=15', '70-34=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 73, 16, 42, 89 ]
41
[ "73+16=89", "89/89=1", "42-1=41" ]
Current State: 41:[73, 16, 42, 89], Operations: [] Exploring Operation: 73+16=89, Resulting Numbers: [42, 89, 89] Generated Node #2: [42, 89, 89] from Operation: 73+16=89 Current State: 41:[42, 89, 89], Operations: ['73+16=89'] Exploring Operation: 89/89=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 89/89=1 Current State: 41:[42, 1], Operations: ['73+16=89', '89/89=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[73, 16, 42, 89], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [73, 42, 73] Generated Node #0,0: 41:[73, 42, 73] Operation: 89-16=73 Exploring Operation: 89-42=47, Resulting Numbers: [73, 16, 47] Generated Node #0,1: 41:[73, 16, 47] Operation: 89-42=47 Exploring Operation: 73-16=57, Resulting Numbers: [42, 89, 57] Generated Node #0,2: 41:[42, 89, 57] Operation: 73-16=57 Exploring Operation: 73-42=31, Resulting Numbers: [16, 89, 31] Generated Node #0,3: 41:[16, 89, 31] Operation: 73-42=31 Exploring Operation: 89-73=16, Resulting Numbers: [16, 42, 16] Generated Node #0,4: 41:[16, 42, 16] Operation: 89-73=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 41:[16, 42, 16], Operations: ['89-73=16'] Exploring Operation: 42-16=26, Resulting Numbers: [16, 26] Generated Node #0,4,0: 41:[16, 26] Operation: 42-16=26 Exploring Operation: 16+16=32, Resulting Numbers: [42, 32] Generated Node #0,4,1: 41:[42, 32] Operation: 16+16=32 Exploring Operation: 42-16=26, Resulting Numbers: [16, 26] Generated Node #0,4,2: 41:[16, 26] Operation: 42-16=26 Exploring Operation: 16/16=1, Resulting Numbers: [42, 1] Generated Node #0,4,3: 41:[42, 1] Operation: 16/16=1 Exploring Operation: 16+42=58, Resulting Numbers: [16, 58] Generated Node #0,4,4: 41:[16, 58] Operation: 16+42=58 Moving to Node #0,4,1 Current State: 41:[42, 32], Operations: ['89-73=16', '16+16=32'] Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 42+32=74, Resulting Numbers: [74] 74,41 unequal: No Solution Exploring Operation: 42*32=1344, Resulting Numbers: [1344] 1344,41 unequal: No Solution Moving to Node #0,4,2 Current State: 41:[16, 26], Operations: ['89-73=16', '42-16=26'] Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,41 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,41 unequal: No Solution Moving to Node #0,4,0 Current State: 41:[16, 26], Operations: ['89-73=16', '42-16=26'] Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,41 unequal: No Solution Moving to Node #0,4,3 Current State: 41:[42, 1], Operations: ['89-73=16', '16/16=1'] Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[73, 16, 42, 89], Operations: [] Exploring Operation: 89-73=16, Resulting Numbers: [16, 42, 16] Generated Node #0,4: 41:[16, 42, 16] Operation: 89-73=16 Moving to Node #0,4 Current State: 41:[16, 42, 16], Operations: ['89-73=16'] Exploring Operation: 16/16=1, Resulting Numbers: [42, 1] Generated Node #0,4,3: 41:[42, 1] Operation: 16/16=1 Moving to Node #0,4,3 Current State: 41:[42, 1], Operations: ['89-73=16', '16/16=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 50, 65, 25, 42 ]
44
[ "50/25=2", "42/2=21", "65-21=44" ]
Current State: 44:[50, 65, 25, 42], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [65, 42, 2] Generated Node #2: [65, 42, 2] from Operation: 50/25=2 Current State: 44:[65, 42, 2], Operations: ['50/25=2'] Exploring Operation: 42/2=21, Resulting Numbers: [65, 21] Generated Node #3: [65, 21] from Operation: 42/2=21 Current State: 44:[65, 21], Operations: ['50/25=2', '42/2=21'] Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[50, 65, 25, 42], Operations: [] Exploring Operation: 65-42=23, Resulting Numbers: [50, 25, 23] Generated Node #0,0: 44:[50, 25, 23] Operation: 65-42=23 Exploring Operation: 65-50=15, Resulting Numbers: [25, 42, 15] Generated Node #0,1: 44:[25, 42, 15] Operation: 65-50=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[25, 42, 15], Operations: ['65-50=15'] Exploring Operation: 25+15=40, Resulting Numbers: [42, 40] Generated Node #0,1,0: 44:[42, 40] Operation: 25+15=40 Exploring Operation: 25-15=10, Resulting Numbers: [42, 10] Generated Node #0,1,1: 44:[42, 10] Operation: 25-15=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[42, 10], Operations: ['65-50=15', '25-15=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[42, 40], Operations: ['65-50=15', '25+15=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,44 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,44 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: 44:[50, 25, 23], Operations: ['65-42=23'] Exploring Operation: 50-25=25, Resulting Numbers: [23, 25] Generated Node #0,0,0: 44:[23, 25] Operation: 50-25=25 Exploring Operation: 50/25=2, Resulting Numbers: [23, 2] Generated Node #0,0,1: 44:[23, 2] Operation: 50/25=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[23, 2], Operations: ['65-42=23', '50/25=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,44 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[23, 25], Operations: ['65-42=23', '50-25=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,44 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
[ 59, 61, 12, 48 ]
54
[ "61-59=2", "12/2=6", "48+6=54" ]
Current State: 54:[59, 61, 12, 48], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [12, 48, 2] Generated Node #2: [12, 48, 2] from Operation: 61-59=2 Current State: 54:[12, 48, 2], Operations: ['61-59=2'] Exploring Operation: 12/2=6, Resulting Numbers: [48, 6] Generated Node #3: [48, 6] from Operation: 12/2=6 Current State: 54:[48, 6], Operations: ['61-59=2', '12/2=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[59, 61, 12, 48], Operations: [] Exploring Operation: 61-48=13, Resulting Numbers: [59, 12, 13] Generated Node #0,0: 54:[59, 12, 13] Operation: 61-48=13 Exploring Operation: 61-59=2, Resulting Numbers: [12, 48, 2] Generated Node #0,1: 54:[12, 48, 2] Operation: 61-59=2 Exploring Operation: 59-48=11, Resulting Numbers: [61, 12, 11] Generated Node #0,2: 54:[61, 12, 11] Operation: 59-48=11 Exploring Operation: 61-12=49, Resulting Numbers: [59, 48, 49] Generated Node #0,3: 54:[59, 48, 49] Operation: 61-12=49 Exploring Operation: 48/12=4, Resulting Numbers: [59, 61, 4] Generated Node #0,4: 54:[59, 61, 4] Operation: 48/12=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[12, 48, 2], Operations: ['61-59=2'] Exploring Operation: 48/12=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 54:[2, 4] Operation: 48/12=4 Exploring Operation: 12-2=10, Resulting Numbers: [48, 10] Generated Node #0,1,1: 54:[48, 10] Operation: 12-2=10 Exploring Operation: 48/2=24, Resulting Numbers: [12, 24] Generated Node #0,1,2: 54:[12, 24] Operation: 48/2=24 Exploring Operation: 12+48=60, Resulting Numbers: [2, 60] Generated Node #0,1,3: 54:[2, 60] Operation: 12+48=60 Exploring Operation: 12/2=6, Resulting Numbers: [48, 6] Generated Node #0,1,4: 54:[48, 6] Operation: 12/2=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[2, 4], Operations: ['61-59=2', '48/12=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[12, 24], Operations: ['61-59=2', '48/2=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 12*24=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[2, 60], Operations: ['61-59=2', '12+48=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,54 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 54:[48, 6], Operations: ['61-59=2', '12/2=6'] Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[59, 61, 12, 48], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [12, 48, 2] Generated Node #0,1: 54:[12, 48, 2] Operation: 61-59=2 Moving to Node #0,1 Current State: 54:[12, 48, 2], Operations: ['61-59=2'] Exploring Operation: 12/2=6, Resulting Numbers: [48, 6] Generated Node #0,1,4: 54:[48, 6] Operation: 12/2=6 Moving to Node #0,1,4 Current State: 54:[48, 6], Operations: ['61-59=2', '12/2=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 74, 69, 2, 47 ]
17
[ "74+47=121", "69*2=138", "138-121=17" ]
Current State: 17:[74, 69, 2, 47], Operations: [] Exploring Operation: 74+47=121, Resulting Numbers: [69, 2, 121] Generated Node #2: [69, 2, 121] from Operation: 74+47=121 Current State: 17:[69, 2, 121], Operations: ['74+47=121'] Exploring Operation: 69*2=138, Resulting Numbers: [121, 138] Generated Node #3: [121, 138] from Operation: 69*2=138 Current State: 17:[121, 138], Operations: ['74+47=121', '69*2=138'] Exploring Operation: 138-121=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[74, 69, 2, 47], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [74, 2, 22] Generated Node #0,0: 17:[74, 2, 22] Operation: 69-47=22 Exploring Operation: 74-69=5, Resulting Numbers: [2, 47, 5] Generated Node #0,1: 17:[2, 47, 5] Operation: 74-69=5 Exploring Operation: 74/2=37, Resulting Numbers: [69, 47, 37] Generated Node #0,2: 17:[69, 47, 37] Operation: 74/2=37 Exploring Operation: 74-47=27, Resulting Numbers: [69, 2, 27] Generated Node #0,3: 17:[69, 2, 27] Operation: 74-47=27 Moving to Node #0,1 Current State: 17:[2, 47, 5], Operations: ['74-69=5'] Exploring Operation: 2*5=10, Resulting Numbers: [47, 10] Generated Node #0,1,0: 17:[47, 10] Operation: 2*5=10 Exploring Operation: 47-5=42, Resulting Numbers: [2, 42] Generated Node #0,1,1: 17:[2, 42] Operation: 47-5=42 Exploring Operation: 2+5=7, Resulting Numbers: [47, 7] Generated Node #0,1,2: 17:[47, 7] Operation: 2+5=7 Exploring Operation: 47-2=45, Resulting Numbers: [5, 45] Generated Node #0,1,3: 17:[5, 45] Operation: 47-2=45 Moving to Node #0,3 Current State: 17:[69, 2, 27], Operations: ['74-47=27'] Exploring Operation: 27-2=25, Resulting Numbers: [69, 25] Generated Node #0,3,0: 17:[69, 25] Operation: 27-2=25 Exploring Operation: 69-27=42, Resulting Numbers: [2, 42] Generated Node #0,3,1: 17:[2, 42] Operation: 69-27=42 Exploring Operation: 69+2=71, Resulting Numbers: [27, 71] Generated Node #0,3,2: 17:[27, 71] Operation: 69+2=71 Exploring Operation: 69-2=67, Resulting Numbers: [27, 67] Generated Node #0,3,3: 17:[27, 67] Operation: 69-2=67 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[2, 42], Operations: ['74-47=27', '69-27=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,17 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 #0,3,0 Current State: 17:[69, 25], Operations: ['74-47=27', '27-2=25'] Exploring Operation: 69*25=1725, Resulting Numbers: [1725] 1725,17 unequal: No Solution Exploring Operation: 69+25=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,17 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 #0,3,3 Current State: 17:[27, 67], Operations: ['74-47=27', '69-2=67'] Exploring Operation: 27*67=1809, Resulting Numbers: [1809] 1809,17 unequal: No Solution Exploring Operation: 27+67=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,17 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 #0,3,2 Current State: 17:[27, 71], Operations: ['74-47=27', '69+2=71'] Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 27*71=1917, Resulting Numbers: [1917] 1917,17 unequal: No Solution Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,17 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:[74, 2, 22], Operations: ['69-47=22'] Exploring Operation: 74-22=52, Resulting Numbers: [2, 52] Generated Node #0,0,0: 17:[2, 52] Operation: 74-22=52 Exploring Operation: 74/2=37, Resulting Numbers: [22, 37] Generated Node #0,0,1: 17:[22, 37] Operation: 74/2=37 Exploring Operation: 22-2=20, Resulting Numbers: [74, 20] Generated Node #0,0,2: 17:[74, 20] Operation: 22-2=20 Exploring Operation: 74-2=72, Resulting Numbers: [22, 72] Generated Node #0,0,3: 17:[22, 72] Operation: 74-2=72 Moving to Node #0,2 Current State: 17:[69, 47, 37], Operations: ['74/2=37'] Exploring Operation: 69-37=32, Resulting Numbers: [47, 32] Generated Node #0,2,0: 17:[47, 32] Operation: 69-37=32 Exploring Operation: 69+47=116, Resulting Numbers: [37, 116] Generated Node #0,2,1: 17:[37, 116] Operation: 69+47=116 Exploring Operation: 69-47=22, Resulting Numbers: [37, 22] Generated Node #0,2,2: 17:[37, 22] Operation: 69-47=22 Exploring Operation: 47-37=10, Resulting Numbers: [69, 10] Generated Node #0,2,3: 17:[69, 10] Operation: 47-37=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[37, 22], Operations: ['74/2=37', '69-47=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,17 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,17 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 #0,2,0 Current State: 17:[47, 32], Operations: ['74/2=37', '69-37=32'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,17 unequal: No Solution Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,17 unequal: No Solution Exploring Operation: 47*32=1504, Resulting Numbers: [1504] 1504,17 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 #0,2,3 Current State: 17:[69, 10], Operations: ['74/2=37', '47-37=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,17 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,17 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:[37, 116], Operations: ['74/2=37', '69+47=116'] Exploring Operation: 116-37=79, Resulting Numbers: [79] 79,17 unequal: No Solution Exploring Operation: 37*116=4292, Resulting Numbers: [4292] 4292,17 unequal: No Solution Exploring Operation: 37+116=153, Resulting Numbers: [153] 153,17 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: 17:[22, 37], Operations: ['69-47=22', '74/2=37'] Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,17 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[47, 10], Operations: ['74-69=5', '2*5=10'] Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,17 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[47, 7], Operations: ['74-69=5', '2+5=7'] Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,17 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[2, 42], Operations: ['74-69=5', '47-5=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[5, 45], Operations: ['74-69=5', '47-2=45'] Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,17 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,17 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[2, 52], Operations: ['69-47=22', '74-22=52'] Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,17 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,17 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[74, 20], Operations: ['69-47=22', '22-2=20'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 74*20=1480, Resulting Numbers: [1480] 1480,17 unequal: No Solution Exploring Operation: 74+20=94, Resulting Numbers: [94] 94,17 unequal: No Solution Moving to Node #0,0,3 Current State: 17:[22, 72], Operations: ['69-47=22', '74-2=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,17 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,17 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,17 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 34, 31, 40, 14 ]
29
[ "34-31=3", "40-14=26", "3+26=29" ]
Current State: 29:[34, 31, 40, 14], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [40, 14, 3] Generated Node #2: [40, 14, 3] from Operation: 34-31=3 Current State: 29:[40, 14, 3], Operations: ['34-31=3'] Exploring Operation: 40-14=26, Resulting Numbers: [3, 26] Generated Node #3: [3, 26] from Operation: 40-14=26 Current State: 29:[3, 26], Operations: ['34-31=3', '40-14=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[34, 31, 40, 14], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [34, 31, 26] Generated Node #0,0: 29:[34, 31, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[34, 31, 26], Operations: ['40-14=26'] Exploring Operation: 34-26=8, Resulting Numbers: [31, 8] Generated Node #0,0,0: 29:[31, 8] Operation: 34-26=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[31, 8], Operations: ['40-14=26', '34-26=8'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 6, 18, 20 ]
89
[ "49-18=31", "6*20=120", "120-31=89" ]
Current State: 89:[49, 6, 18, 20], Operations: [] Exploring Operation: 49-18=31, Resulting Numbers: [6, 20, 31] Generated Node #2: [6, 20, 31] from Operation: 49-18=31 Current State: 89:[6, 20, 31], Operations: ['49-18=31'] Exploring Operation: 6*20=120, Resulting Numbers: [31, 120] Generated Node #3: [31, 120] from Operation: 6*20=120 Current State: 89:[31, 120], Operations: ['49-18=31', '6*20=120'] Exploring Operation: 120-31=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[49, 6, 18, 20], Operations: [] Exploring Operation: 49+6=55, Resulting Numbers: [18, 20, 55] Generated Node #0,0: 89:[18, 20, 55] Operation: 49+6=55 Exploring Operation: 6*20=120, Resulting Numbers: [49, 18, 120] Generated Node #0,1: 89:[49, 18, 120] Operation: 6*20=120 Exploring Operation: 6*18=108, Resulting Numbers: [49, 20, 108] Generated Node #0,2: 89:[49, 20, 108] Operation: 6*18=108 Moving to Node #0,2 Current State: 89:[49, 20, 108], Operations: ['6*18=108'] Exploring Operation: 108-20=88, Resulting Numbers: [49, 88] Generated Node #0,2,0: 89:[49, 88] Operation: 108-20=88 Exploring Operation: 49-20=29, Resulting Numbers: [108, 29] Generated Node #0,2,1: 89:[108, 29] Operation: 49-20=29 Exploring Operation: 49+20=69, Resulting Numbers: [108, 69] Generated Node #0,2,2: 89:[108, 69] Operation: 49+20=69 Moving to Node #0,1 Current State: 89:[49, 18, 120], Operations: ['6*20=120'] Exploring Operation: 120-18=102, Resulting Numbers: [49, 102] Generated Node #0,1,0: 89:[49, 102] Operation: 120-18=102 Exploring Operation: 49-18=31, Resulting Numbers: [120, 31] Generated Node #0,1,1: 89:[120, 31] Operation: 49-18=31 Exploring Operation: 49+18=67, Resulting Numbers: [120, 67] Generated Node #0,1,2: 89:[120, 67] Operation: 49+18=67 Moving to Node #0,0 Current State: 89:[18, 20, 55], Operations: ['49+6=55'] Exploring Operation: 20+55=75, Resulting Numbers: [18, 75] Generated Node #0,0,0: 89:[18, 75] Operation: 20+55=75 Exploring Operation: 18+55=73, Resulting Numbers: [20, 73] Generated Node #0,0,1: 89:[20, 73] Operation: 18+55=73 Exploring Operation: 18+20=38, Resulting Numbers: [55, 38] Generated Node #0,0,2: 89:[55, 38] Operation: 18+20=38 Moving to Node #0,2,2 Current State: 89:[108, 69], Operations: ['6*18=108', '49+20=69'] Exploring Operation: 108-69=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 108*69=7452, Resulting Numbers: [7452] 7452,89 unequal: No Solution Exploring Operation: 108+69=177, Resulting Numbers: [177] 177,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[49, 88], Operations: ['6*18=108', '108-20=88'] Exploring Operation: 49+88=137, Resulting Numbers: [137] 137,89 unequal: No Solution Exploring Operation: 49*88=4312, Resulting Numbers: [4312] 4312,89 unequal: No Solution Exploring Operation: 88-49=39, Resulting Numbers: [39] 39,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[120, 67], Operations: ['6*20=120', '49+18=67'] Exploring Operation: 120+67=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 120*67=8040, Resulting Numbers: [8040] 8040,89 unequal: No Solution Exploring Operation: 120-67=53, Resulting Numbers: [53] 53,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[49, 102], Operations: ['6*20=120', '120-18=102'] Exploring Operation: 49+102=151, Resulting Numbers: [151] 151,89 unequal: No Solution Exploring Operation: 49*102=4998, Resulting Numbers: [4998] 4998,89 unequal: No Solution Exploring Operation: 102-49=53, Resulting Numbers: [53] 53,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[108, 29], Operations: ['6*18=108', '49-20=29'] Exploring Operation: 108*29=3132, Resulting Numbers: [3132] 3132,89 unequal: No Solution Exploring Operation: 108-29=79, Resulting Numbers: [79] 79,89 unequal: No Solution Exploring Operation: 108+29=137, Resulting Numbers: [137] 137,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[55, 38], Operations: ['49+6=55', '18+20=38'] Exploring Operation: 55+38=93, Resulting Numbers: [93] 93,89 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,89 unequal: No Solution Exploring Operation: 55*38=2090, Resulting Numbers: [2090] 2090,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[20, 73], Operations: ['49+6=55', '18+55=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,89 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[18, 75], Operations: ['49+6=55', '20+55=75'] Exploring Operation: 18+75=93, Resulting Numbers: [93] 93,89 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 18*75=1350, Resulting Numbers: [1350] 1350,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[120, 31], Operations: ['6*20=120', '49-18=31'] Exploring Operation: 120*31=3720, Resulting Numbers: [3720] 3720,89 unequal: No Solution Exploring Operation: 120-31=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[49, 6, 18, 20], Operations: [] Exploring Operation: 6*20=120, Resulting Numbers: [49, 18, 120] Generated Node #0,1: 89:[49, 18, 120] Operation: 6*20=120 Moving to Node #0,1 Current State: 89:[49, 18, 120], Operations: ['6*20=120'] Exploring Operation: 49-18=31, Resulting Numbers: [120, 31] Generated Node #0,1,1: 89:[120, 31] Operation: 49-18=31 Moving to Node #0,1,1 Current State: 89:[120, 31], Operations: ['6*20=120', '49-18=31'] Exploring Operation: 120-31=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.963542
hs_3
mult_heuristic
[ 88, 23, 58, 42 ]
56
[ "88-42=46", "46/23=2", "58-2=56" ]
Current State: 56:[88, 23, 58, 42], Operations: [] Exploring Operation: 88-42=46, Resulting Numbers: [23, 58, 46] Generated Node #2: [23, 58, 46] from Operation: 88-42=46 Current State: 56:[23, 58, 46], Operations: ['88-42=46'] Exploring Operation: 46/23=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 46/23=2 Current State: 56:[58, 2], Operations: ['88-42=46', '46/23=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[88, 23, 58, 42], Operations: [] Exploring Operation: 88-58=30, Resulting Numbers: [23, 42, 30] Generated Node #0,0: 56:[23, 42, 30] Operation: 88-58=30 Exploring Operation: 88-42=46, Resulting Numbers: [23, 58, 46] Generated Node #0,1: 56:[23, 58, 46] Operation: 88-42=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[23, 58, 46], Operations: ['88-42=46'] Exploring Operation: 46-23=23, Resulting Numbers: [58, 23] Generated Node #0,1,0: 56:[58, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [58, 2] Generated Node #0,1,1: 56:[58, 2] Operation: 46/23=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[58, 2], Operations: ['88-42=46', '46/23=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[88, 23, 58, 42], Operations: [] Exploring Operation: 88-42=46, Resulting Numbers: [23, 58, 46] Generated Node #0,1: 56:[23, 58, 46] Operation: 88-42=46 Moving to Node #0,1 Current State: 56:[23, 58, 46], Operations: ['88-42=46'] Exploring Operation: 46/23=2, Resulting Numbers: [58, 2] Generated Node #0,1,1: 56:[58, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 56:[58, 2], Operations: ['88-42=46', '46/23=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 32, 36, 72, 44 ]
74
[ "32+44=76", "72/36=2", "76-2=74" ]
Current State: 74:[32, 36, 72, 44], Operations: [] Exploring Operation: 32+44=76, Resulting Numbers: [36, 72, 76] Generated Node #2: [36, 72, 76] from Operation: 32+44=76 Current State: 74:[36, 72, 76], Operations: ['32+44=76'] Exploring Operation: 72/36=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 72/36=2 Current State: 74:[76, 2], Operations: ['32+44=76', '72/36=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[32, 36, 72, 44], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [72, 44, 4] Generated Node #0,0: 74:[72, 44, 4] Operation: 36-32=4 Exploring Operation: 72-32=40, Resulting Numbers: [36, 44, 40] Generated Node #0,1: 74:[36, 44, 40] Operation: 72-32=40 Exploring Operation: 32+44=76, Resulting Numbers: [36, 72, 76] Generated Node #0,2: 74:[36, 72, 76] Operation: 32+44=76 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[36, 72, 76], Operations: ['32+44=76'] Exploring Operation: 76-72=4, Resulting Numbers: [36, 4] Generated Node #0,2,0: 74:[36, 4] Operation: 76-72=4 Exploring Operation: 72-36=36, Resulting Numbers: [76, 36] Generated Node #0,2,1: 74:[76, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [76, 2] Generated Node #0,2,2: 74:[76, 2] Operation: 72/36=2 Moving to Node #0,2,2 Current State: 74:[76, 2], Operations: ['32+44=76', '72/36=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[32, 36, 72, 44], Operations: [] Exploring Operation: 32+44=76, Resulting Numbers: [36, 72, 76] Generated Node #0,2: 74:[36, 72, 76] Operation: 32+44=76 Moving to Node #0,2 Current State: 74:[36, 72, 76], Operations: ['32+44=76'] Exploring Operation: 72/36=2, Resulting Numbers: [76, 2] Generated Node #0,2,2: 74:[76, 2] Operation: 72/36=2 Moving to Node #0,2,2 Current State: 74:[76, 2], Operations: ['32+44=76', '72/36=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 46, 91, 9, 25 ]
30
[ "91-46=45", "45/9=5", "25+5=30" ]
Current State: 30:[46, 91, 9, 25], Operations: [] Exploring Operation: 91-46=45, Resulting Numbers: [9, 25, 45] Generated Node #2: [9, 25, 45] from Operation: 91-46=45 Current State: 30:[9, 25, 45], Operations: ['91-46=45'] Exploring Operation: 45/9=5, Resulting Numbers: [25, 5] Generated Node #3: [25, 5] from Operation: 45/9=5 Current State: 30:[25, 5], Operations: ['91-46=45', '45/9=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[46, 91, 9, 25], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [46, 9, 66] Generated Node #0,0: 30:[46, 9, 66] Operation: 91-25=66 Exploring Operation: 46-25=21, Resulting Numbers: [91, 9, 21] Generated Node #0,1: 30:[91, 9, 21] Operation: 46-25=21 Exploring Operation: 91-46=45, Resulting Numbers: [9, 25, 45] Generated Node #0,2: 30:[9, 25, 45] Operation: 91-46=45 Exploring Operation: 46-9=37, Resulting Numbers: [91, 25, 37] Generated Node #0,3: 30:[91, 25, 37] Operation: 46-9=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[9, 25, 45], Operations: ['91-46=45'] Exploring Operation: 25-9=16, Resulting Numbers: [45, 16] Generated Node #0,2,0: 30:[45, 16] Operation: 25-9=16 Exploring Operation: 45-9=36, Resulting Numbers: [25, 36] Generated Node #0,2,1: 30:[25, 36] Operation: 45-9=36 Exploring Operation: 45/9=5, Resulting Numbers: [25, 5] Generated Node #0,2,2: 30:[25, 5] Operation: 45/9=5 Exploring Operation: 45-25=20, Resulting Numbers: [9, 20] Generated Node #0,2,3: 30:[9, 20] Operation: 45-25=20 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[25, 5], Operations: ['91-46=45', '45/9=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,30 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[46, 91, 9, 25], Operations: [] Exploring Operation: 91-46=45, Resulting Numbers: [9, 25, 45] Generated Node #0,2: 30:[9, 25, 45] Operation: 91-46=45 Moving to Node #0,2 Current State: 30:[9, 25, 45], Operations: ['91-46=45'] Exploring Operation: 45/9=5, Resulting Numbers: [25, 5] Generated Node #0,2,2: 30:[25, 5] Operation: 45/9=5 Moving to Node #0,2,2 Current State: 30:[25, 5], Operations: ['91-46=45', '45/9=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 76, 4, 22, 55 ]
39
[ "76-4=72", "55-22=33", "72-33=39" ]
Current State: 39:[76, 4, 22, 55], Operations: [] Exploring Operation: 76-4=72, Resulting Numbers: [22, 55, 72] Generated Node #2: [22, 55, 72] from Operation: 76-4=72 Current State: 39:[22, 55, 72], Operations: ['76-4=72'] Exploring Operation: 55-22=33, Resulting Numbers: [72, 33] Generated Node #3: [72, 33] from Operation: 55-22=33 Current State: 39:[72, 33], Operations: ['76-4=72', '55-22=33'] Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[76, 4, 22, 55], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [22, 55, 19] Generated Node #0,0: 39:[22, 55, 19] Operation: 76/4=19 Exploring Operation: 76-22=54, Resulting Numbers: [4, 55, 54] Generated Node #0,1: 39:[4, 55, 54] Operation: 76-22=54 Exploring Operation: 76-55=21, Resulting Numbers: [4, 22, 21] Generated Node #0,2: 39:[4, 22, 21] Operation: 76-55=21 Exploring Operation: 55-22=33, Resulting Numbers: [76, 4, 33] Generated Node #0,3: 39:[76, 4, 33] Operation: 55-22=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[4, 22, 21], Operations: ['76-55=21'] Exploring Operation: 21-4=17, Resulting Numbers: [22, 17] Generated Node #0,2,0: 39:[22, 17] Operation: 21-4=17 Exploring Operation: 22-21=1, Resulting Numbers: [4, 1] Generated Node #0,2,1: 39:[4, 1] Operation: 22-21=1 Exploring Operation: 22-4=18, Resulting Numbers: [21, 18] Generated Node #0,2,2: 39:[21, 18] Operation: 22-4=18 Exploring Operation: 22+21=43, Resulting Numbers: [4, 43] Generated Node #0,2,3: 39:[4, 43] Operation: 22+21=43 Moving to Node #0,2,1 Current State: 39:[4, 1], Operations: ['76-55=21', '22-21=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[4, 43], Operations: ['76-55=21', '22+21=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[76, 4, 22, 55], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [4, 22, 21] Generated Node #0,2: 39:[4, 22, 21] Operation: 76-55=21 Moving to Node #0,2 Current State: 39:[4, 22, 21], Operations: ['76-55=21'] Exploring Operation: 22+21=43, Resulting Numbers: [4, 43] Generated Node #0,2,3: 39:[4, 43] Operation: 22+21=43 Moving to Node #0,2,3 Current State: 39:[4, 43], Operations: ['76-55=21', '22+21=43'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 15, 2, 32, 92 ]
94
[ "15*2=30", "32+92=124", "124-30=94" ]
Current State: 94:[15, 2, 32, 92], Operations: [] Exploring Operation: 15*2=30, Resulting Numbers: [32, 92, 30] Generated Node #2: [32, 92, 30] from Operation: 15*2=30 Current State: 94:[32, 92, 30], Operations: ['15*2=30'] Exploring Operation: 32+92=124, Resulting Numbers: [30, 124] Generated Node #3: [30, 124] from Operation: 32+92=124 Current State: 94:[30, 124], Operations: ['15*2=30', '32+92=124'] Exploring Operation: 124-30=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[15, 2, 32, 92], Operations: [] Exploring Operation: 32-15=17, Resulting Numbers: [2, 92, 17] Generated Node #0,0: 94:[2, 92, 17] Operation: 32-15=17 Exploring Operation: 15+32=47, Resulting Numbers: [2, 92, 47] Generated Node #0,1: 94:[2, 92, 47] Operation: 15+32=47 Moving to Node #0,1 Current State: 94:[2, 92, 47], Operations: ['15+32=47'] Exploring Operation: 92/2=46, Resulting Numbers: [47, 46] Generated Node #0,1,0: 94:[47, 46] Operation: 92/2=46 Exploring Operation: 2+92=94, Resulting Numbers: [47, 94] Generated Node #0,1,1: 94:[47, 94] Operation: 2+92=94 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[47, 94], Operations: ['15+32=47', '2+92=94'] Exploring Operation: 94/47=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 94-47=47, Resulting Numbers: [47] 47,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[47, 46], Operations: ['15+32=47', '92/2=46'] Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,94 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: 94:[2, 92, 17], Operations: ['32-15=17'] Exploring Operation: 2*17=34, Resulting Numbers: [92, 34] Generated Node #0,0,0: 94:[92, 34] Operation: 2*17=34 Exploring Operation: 2+92=94, Resulting Numbers: [17, 94] Generated Node #0,0,1: 94:[17, 94] Operation: 2+92=94 Moving to Node #0,0,0 Current State: 94:[92, 34], Operations: ['32-15=17', '2*17=34'] Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[17, 94], Operations: ['32-15=17', '2+92=94'] Exploring Operation: 17+94=111, Resulting Numbers: [111] 111,94 unequal: No Solution Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,94 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 30, 25, 88, 80 ]
50
[ "30+25=55", "80*55=4400", "4400/88=50" ]
Current State: 50:[30, 25, 88, 80], Operations: [] Exploring Operation: 30+25=55, Resulting Numbers: [88, 80, 55] Generated Node #2: [88, 80, 55] from Operation: 30+25=55 Current State: 50:[88, 80, 55], Operations: ['30+25=55'] Exploring Operation: 80*55=4400, Resulting Numbers: [88, 4400] Generated Node #3: [88, 4400] from Operation: 80*55=4400 Current State: 50:[88, 4400], Operations: ['30+25=55', '80*55=4400'] Exploring Operation: 4400/88=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[30, 25, 88, 80], Operations: [] Exploring Operation: 80-30=50, Resulting Numbers: [25, 88, 50] Generated Node #0,0: 50:[25, 88, 50] Operation: 80-30=50 Exploring Operation: 88-30=58, Resulting Numbers: [25, 80, 58] Generated Node #0,1: 50:[25, 80, 58] Operation: 88-30=58 Exploring Operation: 88-80=8, Resulting Numbers: [30, 25, 8] Generated Node #0,2: 50:[30, 25, 8] Operation: 88-80=8 Exploring Operation: 88-25=63, Resulting Numbers: [30, 80, 63] Generated Node #0,3: 50:[30, 80, 63] Operation: 88-25=63 Moving to Node #0,2 Current State: 50:[30, 25, 8], Operations: ['88-80=8'] Exploring Operation: 30+25=55, Resulting Numbers: [8, 55] Generated Node #0,2,0: 50:[8, 55] Operation: 30+25=55 Exploring Operation: 30-8=22, Resulting Numbers: [25, 22] Generated Node #0,2,1: 50:[25, 22] Operation: 30-8=22 Exploring Operation: 30+8=38, Resulting Numbers: [25, 38] Generated Node #0,2,2: 50:[25, 38] Operation: 30+8=38 Exploring Operation: 30-25=5, Resulting Numbers: [8, 5] Generated Node #0,2,3: 50:[8, 5] Operation: 30-25=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 50:[8, 5], Operations: ['88-80=8', '30-25=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,50 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:[25, 22], Operations: ['88-80=8', '30-8=22'] Exploring Operation: 25*22=550, Resulting Numbers: [550] 550,50 unequal: No Solution Exploring Operation: 25+22=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,50 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:[8, 55], Operations: ['88-80=8', '30+25=55'] Exploring Operation: 8*55=440, Resulting Numbers: [440] 440,50 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 8+55=63, Resulting Numbers: [63] 63,50 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 #0,2,2 Current State: 50:[25, 38], Operations: ['88-80=8', '30+8=38'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,50 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 50:[25, 80, 58], Operations: ['88-30=58'] Exploring Operation: 80-25=55, Resulting Numbers: [58, 55] Generated Node #0,1,0: 50:[58, 55] Operation: 80-25=55 Exploring Operation: 25+80=105, Resulting Numbers: [58, 105] Generated Node #0,1,1: 50:[58, 105] Operation: 25+80=105 Exploring Operation: 80-58=22, Resulting Numbers: [25, 22] Generated Node #0,1,2: 50:[25, 22] Operation: 80-58=22 Exploring Operation: 58-25=33, Resulting Numbers: [80, 33] Generated Node #0,1,3: 50:[80, 33] Operation: 58-25=33 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 50:[25, 22], Operations: ['88-30=58', '80-58=22'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 25+22=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 25*22=550, Resulting Numbers: [550] 550,50 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 #0,1,0 Current State: 50:[58, 55], Operations: ['88-30=58', '80-25=55'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,50 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,50 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 #0,1,3 Current State: 50:[80, 33], Operations: ['88-30=58', '58-25=33'] Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,50 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,50 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 #0,1,1 Current State: 50:[58, 105], Operations: ['88-30=58', '25+80=105'] Exploring Operation: 58*105=6090, Resulting Numbers: [6090] 6090,50 unequal: No Solution Exploring Operation: 58+105=163, Resulting Numbers: [163] 163,50 unequal: No Solution Exploring Operation: 105-58=47, Resulting Numbers: [47] 47,50 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: 50:[25, 88, 50], Operations: ['80-30=50'] Exploring Operation: 88-25=63, Resulting Numbers: [50, 63] Generated Node #0,0,0: 50:[50, 63] Operation: 88-25=63 Exploring Operation: 88-50=38, Resulting Numbers: [25, 38] Generated Node #0,0,1: 50:[25, 38] Operation: 88-50=38 Exploring Operation: 50/25=2, Resulting Numbers: [88, 2] Generated Node #0,0,2: 50:[88, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [88, 25] Generated Node #0,0,3: 50:[88, 25] Operation: 50-25=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[25, 38], Operations: ['80-30=50', '88-50=38'] Exploring Operation: 25+38=63, Resulting Numbers: [63] 63,50 unequal: No Solution Exploring Operation: 25*38=950, Resulting Numbers: [950] 950,50 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[50, 63], Operations: ['80-30=50', '88-25=63'] Exploring Operation: 50*63=3150, Resulting Numbers: [3150] 3150,50 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 50+63=113, Resulting Numbers: [113] 113,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[88, 2], Operations: ['80-30=50', '50/25=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,50 unequal: No Solution Exploring Operation: 88*2=176, Resulting Numbers: [176] 176,50 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[88, 25], Operations: ['80-30=50', '50-25=25'] Exploring Operation: 88-25=63, Resulting Numbers: [63] 63,50 unequal: No Solution Exploring Operation: 88*25=2200, Resulting Numbers: [2200] 2200,50 unequal: No Solution Exploring Operation: 88+25=113, Resulting Numbers: [113] 113,50 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: 50:[30, 80, 63], Operations: ['88-25=63'] Exploring Operation: 30+80=110, Resulting Numbers: [63, 110] Generated Node #0,3,0: 50:[63, 110] Operation: 30+80=110 Exploring Operation: 80-30=50, Resulting Numbers: [63, 50] Generated Node #0,3,1: 50:[63, 50] Operation: 80-30=50 Exploring Operation: 63-30=33, Resulting Numbers: [80, 33] Generated Node #0,3,2: 50:[80, 33] Operation: 63-30=33 Exploring Operation: 80-63=17, Resulting Numbers: [30, 17] Generated Node #0,3,3: 50:[30, 17] Operation: 80-63=17 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[30, 17], Operations: ['88-25=63', '80-63=17'] Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 30*17=510, Resulting Numbers: [510] 510,50 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,50 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 #0,3,1 Current State: 50:[63, 50], Operations: ['88-25=63', '80-30=50'] Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,50 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,50 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 #0,3,2 Current State: 50:[80, 33], Operations: ['88-25=63', '63-30=33'] Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,50 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,50 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 #0,3,0 Current State: 50:[63, 110], Operations: ['88-25=63', '30+80=110'] Exploring Operation: 110-63=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 63+110=173, Resulting Numbers: [173] 173,50 unequal: No Solution Exploring Operation: 63*110=6930, Resulting Numbers: [6930] 6930,50 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
[ 80, 82, 84, 44 ]
64
[ "82-80=2", "84+44=128", "128/2=64" ]
Current State: 64:[80, 82, 84, 44], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [84, 44, 2] Generated Node #2: [84, 44, 2] from Operation: 82-80=2 Current State: 64:[84, 44, 2], Operations: ['82-80=2'] Exploring Operation: 84+44=128, Resulting Numbers: [2, 128] Generated Node #3: [2, 128] from Operation: 84+44=128 Current State: 64:[2, 128], Operations: ['82-80=2', '84+44=128'] Exploring Operation: 128/2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[80, 82, 84, 44], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [80, 44, 2] Generated Node #0,0: 64:[80, 44, 2] Operation: 84-82=2 Exploring Operation: 80-44=36, Resulting Numbers: [82, 84, 36] Generated Node #0,1: 64:[82, 84, 36] Operation: 80-44=36 Exploring Operation: 84-80=4, Resulting Numbers: [82, 44, 4] Generated Node #0,2: 64:[82, 44, 4] Operation: 84-80=4 Exploring Operation: 82-80=2, Resulting Numbers: [84, 44, 2] Generated Node #0,3: 64:[84, 44, 2] Operation: 82-80=2 Moving to Node #0,0 Current State: 64:[80, 44, 2], Operations: ['84-82=2'] Exploring Operation: 80-2=78, Resulting Numbers: [44, 78] Generated Node #0,0,0: 64:[44, 78] Operation: 80-2=78 Exploring Operation: 44/2=22, Resulting Numbers: [80, 22] Generated Node #0,0,1: 64:[80, 22] Operation: 44/2=22 Exploring Operation: 80/2=40, Resulting Numbers: [44, 40] Generated Node #0,0,2: 64:[44, 40] Operation: 80/2=40 Exploring Operation: 80-44=36, Resulting Numbers: [2, 36] Generated Node #0,0,3: 64:[2, 36] Operation: 80-44=36 Moving to Node #0,2 Current State: 64:[82, 44, 4], Operations: ['84-80=4'] Exploring Operation: 44-4=40, Resulting Numbers: [82, 40] Generated Node #0,2,0: 64:[82, 40] Operation: 44-4=40 Exploring Operation: 82-44=38, Resulting Numbers: [4, 38] Generated Node #0,2,1: 64:[4, 38] Operation: 82-44=38 Exploring Operation: 82-4=78, Resulting Numbers: [44, 78] Generated Node #0,2,2: 64:[44, 78] Operation: 82-4=78 Exploring Operation: 44/4=11, Resulting Numbers: [82, 11] Generated Node #0,2,3: 64:[82, 11] Operation: 44/4=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[4, 38], Operations: ['84-80=4', '82-44=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,64 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[82, 11], Operations: ['84-80=4', '44/4=11'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,64 unequal: No Solution Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[82, 40], Operations: ['84-80=4', '44-4=40'] Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,64 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[44, 78], Operations: ['84-80=4', '82-4=78'] Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,64 unequal: No Solution Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,64 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: 64:[84, 44, 2], Operations: ['82-80=2'] Exploring Operation: 44/2=22, Resulting Numbers: [84, 22] Generated Node #0,3,0: 64:[84, 22] Operation: 44/2=22 Exploring Operation: 84/2=42, Resulting Numbers: [44, 42] Generated Node #0,3,1: 64:[44, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [44, 82] Generated Node #0,3,2: 64:[44, 82] Operation: 84-2=82 Exploring Operation: 84-44=40, Resulting Numbers: [2, 40] Generated Node #0,3,3: 64:[2, 40] Operation: 84-44=40 Moving to Node #0,1 Current State: 64:[82, 84, 36], Operations: ['80-44=36'] Exploring Operation: 82+36=118, Resulting Numbers: [84, 118] Generated Node #0,1,0: 64:[84, 118] Operation: 82+36=118 Exploring Operation: 84-82=2, Resulting Numbers: [36, 2] Generated Node #0,1,1: 64:[36, 2] Operation: 84-82=2 Exploring Operation: 82-36=46, Resulting Numbers: [84, 46] Generated Node #0,1,2: 64:[84, 46] Operation: 82-36=46 Exploring Operation: 84-36=48, Resulting Numbers: [82, 48] Generated Node #0,1,3: 64:[82, 48] Operation: 84-36=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[36, 2], Operations: ['80-44=36', '84-82=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,64 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[84, 46], Operations: ['80-44=36', '82-36=46'] Exploring Operation: 84*46=3864, Resulting Numbers: [3864] 3864,64 unequal: No Solution Exploring Operation: 84+46=130, Resulting Numbers: [130] 130,64 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[82, 48], Operations: ['80-44=36', '84-36=48'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 82*48=3936, Resulting Numbers: [3936] 3936,64 unequal: No Solution Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[84, 118], Operations: ['80-44=36', '82+36=118'] Exploring Operation: 84*118=9912, Resulting Numbers: [9912] 9912,64 unequal: No Solution Exploring Operation: 84+118=202, Resulting Numbers: [202] 202,64 unequal: No Solution Exploring Operation: 118-84=34, Resulting Numbers: [34] 34,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 64:[2, 36], Operations: ['84-82=2', '80-44=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[2, 40], Operations: ['82-80=2', '84-44=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[44, 40], Operations: ['84-82=2', '80/2=40'] Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,64 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[80, 22], Operations: ['84-82=2', '44/2=22'] Exploring Operation: 80+22=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,64 unequal: No Solution Exploring Operation: 80*22=1760, Resulting Numbers: [1760] 1760,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[44, 42], Operations: ['82-80=2', '84/2=42'] Exploring Operation: 44*42=1848, Resulting Numbers: [1848] 1848,64 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[44, 78], Operations: ['84-82=2', '80-2=78'] Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[84, 22], Operations: ['82-80=2', '44/2=22'] Exploring Operation: 84*22=1848, Resulting Numbers: [1848] 1848,64 unequal: No Solution Exploring Operation: 84-22=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 84+22=106, Resulting Numbers: [106] 106,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[44, 82], Operations: ['82-80=2', '84-2=82'] Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,64 unequal: No Solution Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,64 unequal: No Solution Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,64 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 49, 35, 28, 68 ]
54
[ "49-35=14", "68-28=40", "14+40=54" ]
Current State: 54:[49, 35, 28, 68], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [28, 68, 14] Generated Node #2: [28, 68, 14] from Operation: 49-35=14 Current State: 54:[28, 68, 14], Operations: ['49-35=14'] Exploring Operation: 68-28=40, Resulting Numbers: [14, 40] Generated Node #3: [14, 40] from Operation: 68-28=40 Current State: 54:[14, 40], Operations: ['49-35=14', '68-28=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[49, 35, 28, 68], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [49, 28, 33] Generated Node #0,0: 54:[49, 28, 33] Operation: 68-35=33 Exploring Operation: 35-28=7, Resulting Numbers: [49, 68, 7] Generated Node #0,1: 54:[49, 68, 7] Operation: 35-28=7 Exploring Operation: 68-49=19, Resulting Numbers: [35, 28, 19] Generated Node #0,2: 54:[35, 28, 19] Operation: 68-49=19 Exploring Operation: 49-35=14, Resulting Numbers: [28, 68, 14] Generated Node #0,3: 54:[28, 68, 14] Operation: 49-35=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[35, 28, 19], Operations: ['68-49=19'] Exploring Operation: 35-19=16, Resulting Numbers: [28, 16] Generated Node #0,2,0: 54:[28, 16] Operation: 35-19=16 Exploring Operation: 28-19=9, Resulting Numbers: [35, 9] Generated Node #0,2,1: 54:[35, 9] Operation: 28-19=9 Exploring Operation: 35-28=7, Resulting Numbers: [19, 7] Generated Node #0,2,2: 54:[19, 7] Operation: 35-28=7 Exploring Operation: 35+19=54, Resulting Numbers: [28, 54] Generated Node #0,2,3: 54:[28, 54] Operation: 35+19=54 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 54:[28, 54], Operations: ['68-49=19', '35+19=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,54 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[19, 7], Operations: ['68-49=19', '35-28=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[28, 16], Operations: ['68-49=19', '35-19=16'] Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,54 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 54:[35, 9], Operations: ['68-49=19', '28-19=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,54 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[49, 28, 33], Operations: ['68-35=33'] Exploring Operation: 28+33=61, Resulting Numbers: [49, 61] Generated Node #0,0,0: 54:[49, 61] Operation: 28+33=61 Exploring Operation: 49-33=16, Resulting Numbers: [28, 16] Generated Node #0,0,1: 54:[28, 16] Operation: 49-33=16 Exploring Operation: 33-28=5, Resulting Numbers: [49, 5] Generated Node #0,0,2: 54:[49, 5] Operation: 33-28=5 Exploring Operation: 49-28=21, Resulting Numbers: [33, 21] Generated Node #0,0,3: 54:[33, 21] Operation: 49-28=21 Moving to Node #0,0,1 Current State: 54:[28, 16], Operations: ['68-35=33', '49-33=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,54 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[49, 5], Operations: ['68-35=33', '33-28=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[49, 35, 28, 68], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [49, 28, 33] Generated Node #0,0: 54:[49, 28, 33] Operation: 68-35=33 Moving to Node #0,0 Current State: 54:[49, 28, 33], Operations: ['68-35=33'] Exploring Operation: 33-28=5, Resulting Numbers: [49, 5] Generated Node #0,0,2: 54:[49, 5] Operation: 33-28=5 Moving to Node #0,0,2 Current State: 54:[49, 5], Operations: ['68-35=33', '33-28=5'] Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 42, 16, 52, 14 ]
68
[ "16-14=2", "52/2=26", "42+26=68" ]
Current State: 68:[42, 16, 52, 14], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [42, 52, 2] Generated Node #2: [42, 52, 2] from Operation: 16-14=2 Current State: 68:[42, 52, 2], Operations: ['16-14=2'] Exploring Operation: 52/2=26, Resulting Numbers: [42, 26] Generated Node #3: [42, 26] from Operation: 52/2=26 Current State: 68:[42, 26], Operations: ['16-14=2', '52/2=26'] Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[42, 16, 52, 14], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [16, 14, 10] Generated Node #0,0: 68:[16, 14, 10] Operation: 52-42=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[16, 14, 10], Operations: ['52-42=10'] Exploring Operation: 14-10=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 68:[16, 4] Operation: 14-10=4 Moving to Node #0,0,0 Current State: 68:[16, 4], Operations: ['52-42=10', '14-10=4'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,68 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
[ 89, 62, 55, 89 ]
61
[ "89-62=27", "89-55=34", "27+34=61" ]
Current State: 61:[89, 62, 55, 89], Operations: [] Exploring Operation: 89-62=27, Resulting Numbers: [55, 27] Generated Node #2: [55, 27] from Operation: 89-62=27 Current State: 61:[55, 27], Operations: ['89-62=27'] Exploring Operation: 89-55=34, Resulting Numbers: [27, 34] Generated Node #3: [27, 34] from Operation: 89-55=34 Current State: 61:[27, 34], Operations: ['89-62=27', '89-55=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[89, 62, 55, 89], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [89, 62, 34] Generated Node #0,0: 61:[89, 62, 34] Operation: 89-55=34 Exploring Operation: 89/89=1, Resulting Numbers: [62, 55, 1] Generated Node #0,1: 61:[62, 55, 1] Operation: 89/89=1 Exploring Operation: 89-55=34, Resulting Numbers: [62, 89, 34] Generated Node #0,2: 61:[62, 89, 34] Operation: 89-55=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[89, 62, 34], Operations: ['89-55=34'] Exploring Operation: 89-34=55, Resulting Numbers: [62, 55] Generated Node #0,0,0: 61:[62, 55] Operation: 89-34=55 Exploring Operation: 62-34=28, Resulting Numbers: [89, 28] Generated Node #0,0,1: 61:[89, 28] Operation: 62-34=28 Exploring Operation: 89-62=27, Resulting Numbers: [34, 27] Generated Node #0,0,2: 61:[34, 27] Operation: 89-62=27 Moving to Node #0,0,0 Current State: 61:[62, 55], Operations: ['89-55=34', '89-34=55'] Exploring Operation: 62*55=3410, Resulting Numbers: [3410] 3410,61 unequal: No Solution Exploring Operation: 62+55=117, Resulting Numbers: [117] 117,61 unequal: No Solution Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[89, 28], Operations: ['89-55=34', '62-34=28'] Exploring Operation: 89+28=117, Resulting Numbers: [117] 117,61 unequal: No Solution Exploring Operation: 89*28=2492, Resulting Numbers: [2492] 2492,61 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[89, 62, 55, 89], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [89, 62, 34] Generated Node #0,0: 61:[89, 62, 34] Operation: 89-55=34 Moving to Node #0,0 Current State: 61:[89, 62, 34], Operations: ['89-55=34'] Exploring Operation: 62-34=28, Resulting Numbers: [89, 28] Generated Node #0,0,1: 61:[89, 28] Operation: 62-34=28 Moving to Node #0,0,1 Current State: 61:[89, 28], Operations: ['89-55=34', '62-34=28'] Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 5, 73, 97, 20 ]
30
[ "73+97=170", "170-20=150", "150/5=30" ]
Current State: 30:[5, 73, 97, 20], Operations: [] Exploring Operation: 73+97=170, Resulting Numbers: [5, 20, 170] Generated Node #2: [5, 20, 170] from Operation: 73+97=170 Current State: 30:[5, 20, 170], Operations: ['73+97=170'] Exploring Operation: 170-20=150, Resulting Numbers: [5, 150] Generated Node #3: [5, 150] from Operation: 170-20=150 Current State: 30:[5, 150], Operations: ['73+97=170', '170-20=150'] Exploring Operation: 150/5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[5, 73, 97, 20], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [5, 20, 24] Generated Node #0,0: 30:[5, 20, 24] Operation: 97-73=24 Exploring Operation: 73-20=53, Resulting Numbers: [5, 97, 53] Generated Node #0,1: 30:[5, 97, 53] Operation: 73-20=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[5, 20, 24], Operations: ['97-73=24'] Exploring Operation: 20-5=15, Resulting Numbers: [24, 15] Generated Node #0,0,0: 30:[24, 15] Operation: 20-5=15 Exploring Operation: 24-20=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 30:[5, 4] Operation: 24-20=4 Moving to Node #0,0,1 Current State: 30:[5, 4], Operations: ['97-73=24', '24-20=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[24, 15], Operations: ['97-73=24', '20-5=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[5, 97, 53], Operations: ['73-20=53'] Exploring Operation: 97-5=92, Resulting Numbers: [53, 92] Generated Node #0,1,0: 30:[53, 92] Operation: 97-5=92 Exploring Operation: 97-53=44, Resulting Numbers: [5, 44] Generated Node #0,1,1: 30:[5, 44] Operation: 97-53=44 Moving to Node #0,1,1 Current State: 30:[5, 44], Operations: ['73-20=53', '97-53=44'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[53, 92], Operations: ['73-20=53', '97-5=92'] Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,30 unequal: No Solution Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,30 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
[ 34, 77, 30, 21 ]
14
[ "34-30=4", "77-21=56", "56/4=14" ]
Current State: 14:[34, 77, 30, 21], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [77, 21, 4] Generated Node #2: [77, 21, 4] from Operation: 34-30=4 Current State: 14:[77, 21, 4], Operations: ['34-30=4'] Exploring Operation: 77-21=56, Resulting Numbers: [4, 56] Generated Node #3: [4, 56] from Operation: 77-21=56 Current State: 14:[4, 56], Operations: ['34-30=4', '77-21=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[34, 77, 30, 21], Operations: [] Exploring Operation: 77-34=43, Resulting Numbers: [30, 21, 43] Generated Node #0,0: 14:[30, 21, 43] Operation: 77-34=43 Exploring Operation: 77-21=56, Resulting Numbers: [34, 30, 56] Generated Node #0,1: 14:[34, 30, 56] Operation: 77-21=56 Exploring Operation: 34-30=4, Resulting Numbers: [77, 21, 4] Generated Node #0,2: 14:[77, 21, 4] Operation: 34-30=4 Exploring Operation: 77-30=47, Resulting Numbers: [34, 21, 47] Generated Node #0,3: 14:[34, 21, 47] Operation: 77-30=47 Moving to Node #0,0 Current State: 14:[30, 21, 43], Operations: ['77-34=43'] Exploring Operation: 43-21=22, Resulting Numbers: [30, 22] Generated Node #0,0,0: 14:[30, 22] Operation: 43-21=22 Exploring Operation: 30-21=9, Resulting Numbers: [43, 9] Generated Node #0,0,1: 14:[43, 9] Operation: 30-21=9 Exploring Operation: 30+21=51, Resulting Numbers: [43, 51] Generated Node #0,0,2: 14:[43, 51] Operation: 30+21=51 Exploring Operation: 43-30=13, Resulting Numbers: [21, 13] Generated Node #0,0,3: 14:[21, 13] Operation: 43-30=13 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 14:[21, 13], Operations: ['77-34=43', '43-30=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,14 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[30, 22], Operations: ['77-34=43', '43-21=22'] Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,14 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,14 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[43, 9], Operations: ['77-34=43', '30-21=9'] Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,14 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,14 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[43, 51], Operations: ['77-34=43', '30+21=51'] Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 43*51=2193, Resulting Numbers: [2193] 2193,14 unequal: No Solution Exploring Operation: 43+51=94, Resulting Numbers: [94] 94,14 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: 14:[34, 21, 47], Operations: ['77-30=47'] Exploring Operation: 34+21=55, Resulting Numbers: [47, 55] Generated Node #0,3,0: 14:[47, 55] Operation: 34+21=55 Exploring Operation: 34-21=13, Resulting Numbers: [47, 13] Generated Node #0,3,1: 14:[47, 13] Operation: 34-21=13 Exploring Operation: 47-21=26, Resulting Numbers: [34, 26] Generated Node #0,3,2: 14:[34, 26] Operation: 47-21=26 Exploring Operation: 47-34=13, Resulting Numbers: [21, 13] Generated Node #0,3,3: 14:[21, 13] Operation: 47-34=13 Moving to Node #0,2 Current State: 14:[77, 21, 4], Operations: ['34-30=4'] Exploring Operation: 77-4=73, Resulting Numbers: [21, 73] Generated Node #0,2,0: 14:[21, 73] Operation: 77-4=73 Exploring Operation: 77-21=56, Resulting Numbers: [4, 56] Generated Node #0,2,1: 14:[4, 56] Operation: 77-21=56 Exploring Operation: 21-4=17, Resulting Numbers: [77, 17] Generated Node #0,2,2: 14:[77, 17] Operation: 21-4=17 Exploring Operation: 77+4=81, Resulting Numbers: [21, 81] Generated Node #0,2,3: 14:[21, 81] Operation: 77+4=81 Moving to Node #0,1 Current State: 14:[34, 30, 56], Operations: ['77-21=56'] Exploring Operation: 56-30=26, Resulting Numbers: [34, 26] Generated Node #0,1,0: 14:[34, 26] Operation: 56-30=26 Exploring Operation: 34-30=4, Resulting Numbers: [56, 4] Generated Node #0,1,1: 14:[56, 4] Operation: 34-30=4 Exploring Operation: 34+30=64, Resulting Numbers: [56, 64] Generated Node #0,1,2: 14:[56, 64] Operation: 34+30=64 Exploring Operation: 56-34=22, Resulting Numbers: [30, 22] Generated Node #0,1,3: 14:[30, 22] Operation: 56-34=22 Moving to Node #0,3,3 Current State: 14:[21, 13], Operations: ['77-30=47', '47-34=13'] Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,14 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,14 unequal: No Solution Moving to Node #0,1,3 Current State: 14:[30, 22], Operations: ['77-21=56', '56-34=22'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,14 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[34, 26], Operations: ['77-21=56', '56-30=26'] Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,14 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[34, 26], Operations: ['77-30=47', '47-21=26'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,14 unequal: No Solution Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,14 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[47, 13], Operations: ['77-30=47', '34-21=13'] Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,14 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[56, 4], Operations: ['77-21=56', '34-30=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[34, 77, 30, 21], Operations: [] Exploring Operation: 77-21=56, Resulting Numbers: [34, 30, 56] Generated Node #0,1: 14:[34, 30, 56] Operation: 77-21=56 Moving to Node #0,1 Current State: 14:[34, 30, 56], Operations: ['77-21=56'] Exploring Operation: 34-30=4, Resulting Numbers: [56, 4] Generated Node #0,1,1: 14:[56, 4] Operation: 34-30=4 Moving to Node #0,1,1 Current State: 14:[56, 4], Operations: ['77-21=56', '34-30=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.954861
hs_4
mult_heuristic
[ 20, 56, 78, 18 ]
59
[ "78-18=60", "60/20=3", "56+3=59" ]
Current State: 59:[20, 56, 78, 18], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [20, 56, 60] Generated Node #2: [20, 56, 60] from Operation: 78-18=60 Current State: 59:[20, 56, 60], Operations: ['78-18=60'] Exploring Operation: 60/20=3, Resulting Numbers: [56, 3] Generated Node #3: [56, 3] from Operation: 60/20=3 Current State: 59:[56, 3], Operations: ['78-18=60', '60/20=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[20, 56, 78, 18], Operations: [] Exploring Operation: 20+18=38, Resulting Numbers: [56, 78, 38] Generated Node #0,0: 59:[56, 78, 38] Operation: 20+18=38 Exploring Operation: 78-18=60, Resulting Numbers: [20, 56, 60] Generated Node #0,1: 59:[20, 56, 60] Operation: 78-18=60 Exploring Operation: 78-20=58, Resulting Numbers: [56, 18, 58] Generated Node #0,2: 59:[56, 18, 58] Operation: 78-20=58 Moving to Node #0,0 Current State: 59:[56, 78, 38], Operations: ['20+18=38'] Exploring Operation: 78-56=22, Resulting Numbers: [38, 22] Generated Node #0,0,0: 59:[38, 22] Operation: 78-56=22 Exploring Operation: 78-38=40, Resulting Numbers: [56, 40] Generated Node #0,0,1: 59:[56, 40] Operation: 78-38=40 Exploring Operation: 56+38=94, Resulting Numbers: [78, 94] Generated Node #0,0,2: 59:[78, 94] Operation: 56+38=94 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 59:[56, 40], Operations: ['20+18=38', '78-38=40'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 56*40=2240, Resulting Numbers: [2240] 2240,59 unequal: No Solution Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,59 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:[78, 94], Operations: ['20+18=38', '56+38=94'] Exploring Operation: 78*94=7332, Resulting Numbers: [7332] 7332,59 unequal: No Solution Exploring Operation: 94-78=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 78+94=172, Resulting Numbers: [172] 172,59 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:[38, 22], Operations: ['20+18=38', '78-56=22'] Exploring Operation: 38*22=836, Resulting Numbers: [836] 836,59 unequal: No Solution Exploring Operation: 38+22=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,59 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:[20, 56, 60], Operations: ['78-18=60'] Exploring Operation: 60-20=40, Resulting Numbers: [56, 40] Generated Node #0,1,0: 59:[56, 40] Operation: 60-20=40 Exploring Operation: 56-20=36, Resulting Numbers: [60, 36] Generated Node #0,1,1: 59:[60, 36] Operation: 56-20=36 Exploring Operation: 20+56=76, Resulting Numbers: [60, 76] Generated Node #0,1,2: 59:[60, 76] Operation: 20+56=76 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[60, 76], Operations: ['78-18=60', '20+56=76'] Exploring Operation: 60+76=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 76-60=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 60*76=4560, Resulting Numbers: [4560] 4560,59 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:[56, 40], Operations: ['78-18=60', '60-20=40'] Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,59 unequal: No Solution Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 56*40=2240, Resulting Numbers: [2240] 2240,59 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 #0,1,1 Current State: 59:[60, 36], Operations: ['78-18=60', '56-20=36'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,59 unequal: No Solution Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,59 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: 59:[56, 18, 58], Operations: ['78-20=58'] Exploring Operation: 18+58=76, Resulting Numbers: [56, 76] Generated Node #0,2,0: 59:[56, 76] Operation: 18+58=76 Exploring Operation: 56-18=38, Resulting Numbers: [58, 38] Generated Node #0,2,1: 59:[58, 38] Operation: 56-18=38 Exploring Operation: 56+18=74, Resulting Numbers: [58, 74] Generated Node #0,2,2: 59:[58, 74] Operation: 56+18=74 Moving to Node #0,2,2 Current State: 59:[58, 74], Operations: ['78-20=58', '56+18=74'] Exploring Operation: 58*74=4292, Resulting Numbers: [4292] 4292,59 unequal: No Solution Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,59 unequal: No Solution Exploring Operation: 58+74=132, Resulting Numbers: [132] 132,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[56, 76], Operations: ['78-20=58', '18+58=76'] Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,59 unequal: No Solution Exploring Operation: 56*76=4256, Resulting Numbers: [4256] 4256,59 unequal: No Solution Exploring Operation: 56+76=132, Resulting Numbers: [132] 132,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[58, 38], Operations: ['78-20=58', '56-18=38'] Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,59 unequal: No Solution Exploring Operation: 58*38=2204, Resulting Numbers: [2204] 2204,59 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 4, 29, 18, 6 ]
76
[ "6-4=2", "29*2=58", "18+58=76" ]
Current State: 76:[4, 29, 18, 6], Operations: [] Exploring Operation: 6-4=2, Resulting Numbers: [29, 18, 2] Generated Node #2: [29, 18, 2] from Operation: 6-4=2 Current State: 76:[29, 18, 2], Operations: ['6-4=2'] Exploring Operation: 29*2=58, Resulting Numbers: [18, 58] Generated Node #3: [18, 58] from Operation: 29*2=58 Current State: 76:[18, 58], Operations: ['6-4=2', '29*2=58'] Exploring Operation: 18+58=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[4, 29, 18, 6], Operations: [] Exploring Operation: 29-4=25, Resulting Numbers: [18, 6, 25] Generated Node #0,0: 76:[18, 6, 25] Operation: 29-4=25 Exploring Operation: 29-18=11, Resulting Numbers: [4, 6, 11] Generated Node #0,1: 76:[4, 6, 11] Operation: 29-18=11 Exploring Operation: 29-6=23, Resulting Numbers: [4, 18, 23] Generated Node #0,2: 76:[4, 18, 23] Operation: 29-6=23 Exploring Operation: 4+29=33, Resulting Numbers: [18, 6, 33] Generated Node #0,3: 76:[18, 6, 33] Operation: 4+29=33 Exploring Operation: 29+6=35, Resulting Numbers: [4, 18, 35] Generated Node #0,4: 76:[4, 18, 35] Operation: 29+6=35 Moving to Node #0,4 Current State: 76:[4, 18, 35], Operations: ['29+6=35'] Exploring Operation: 35-18=17, Resulting Numbers: [4, 17] Generated Node #0,4,0: 76:[4, 17] Operation: 35-18=17 Exploring Operation: 4+18=22, Resulting Numbers: [35, 22] Generated Node #0,4,1: 76:[35, 22] Operation: 4+18=22 Exploring Operation: 18-4=14, Resulting Numbers: [35, 14] Generated Node #0,4,2: 76:[35, 14] Operation: 18-4=14 Exploring Operation: 4*18=72, Resulting Numbers: [35, 72] Generated Node #0,4,3: 76:[35, 72] Operation: 4*18=72 Exploring Operation: 4+35=39, Resulting Numbers: [18, 39] Generated Node #0,4,4: 76:[18, 39] Operation: 4+35=39 Moving to Node #0,2 Current State: 76:[4, 18, 23], Operations: ['29-6=23'] Exploring Operation: 4*18=72, Resulting Numbers: [23, 72] Generated Node #0,2,0: 76:[23, 72] Operation: 4*18=72 Exploring Operation: 4+18=22, Resulting Numbers: [23, 22] Generated Node #0,2,1: 76:[23, 22] Operation: 4+18=22 Exploring Operation: 18+23=41, Resulting Numbers: [4, 41] Generated Node #0,2,2: 76:[4, 41] Operation: 18+23=41 Exploring Operation: 23-4=19, Resulting Numbers: [18, 19] Generated Node #0,2,3: 76:[18, 19] Operation: 23-4=19 Exploring Operation: 23-18=5, Resulting Numbers: [4, 5] Generated Node #0,2,4: 76:[4, 5] Operation: 23-18=5 Moving to Node #0,3 Current State: 76:[18, 6, 33], Operations: ['4+29=33'] Exploring Operation: 6+33=39, Resulting Numbers: [18, 39] Generated Node #0,3,0: 76:[18, 39] Operation: 6+33=39 Exploring Operation: 33-18=15, Resulting Numbers: [6, 15] Generated Node #0,3,1: 76:[6, 15] Operation: 33-18=15 Exploring Operation: 18+6=24, Resulting Numbers: [33, 24] Generated Node #0,3,2: 76:[33, 24] Operation: 18+6=24 Exploring Operation: 33-6=27, Resulting Numbers: [18, 27] Generated Node #0,3,3: 76:[18, 27] Operation: 33-6=27 Exploring Operation: 18/6=3, Resulting Numbers: [33, 3] Generated Node #0,3,4: 76:[33, 3] Operation: 18/6=3 Moving to Node #0,0 Current State: 76:[18, 6, 25], Operations: ['29-4=25'] Exploring Operation: 18/6=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 76:[25, 3] Operation: 18/6=3 Exploring Operation: 25-6=19, Resulting Numbers: [18, 19] Generated Node #0,0,1: 76:[18, 19] Operation: 25-6=19 Exploring Operation: 18+25=43, Resulting Numbers: [6, 43] Generated Node #0,0,2: 76:[6, 43] Operation: 18+25=43 Exploring Operation: 25-18=7, Resulting Numbers: [6, 7] Generated Node #0,0,3: 76:[6, 7] Operation: 25-18=7 Exploring Operation: 6+25=31, Resulting Numbers: [18, 31] Generated Node #0,0,4: 76:[18, 31] Operation: 6+25=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[18, 19], Operations: ['29-4=25', '25-6=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[6, 7], Operations: ['29-4=25', '25-18=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[25, 3], Operations: ['29-4=25', '18/6=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[6, 43], Operations: ['29-4=25', '18+25=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 76:[18, 31], Operations: ['29-4=25', '6+25=31'] Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,76 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,76 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: 76:[4, 6, 11], Operations: ['29-18=11'] Exploring Operation: 11-6=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 76:[4, 5] Operation: 11-6=5 Exploring Operation: 4+11=15, Resulting Numbers: [6, 15] Generated Node #0,1,1: 76:[6, 15] Operation: 4+11=15 Exploring Operation: 6+11=17, Resulting Numbers: [4, 17] Generated Node #0,1,2: 76:[4, 17] Operation: 6+11=17 Exploring Operation: 6-4=2, Resulting Numbers: [11, 2] Generated Node #0,1,3: 76:[11, 2] Operation: 6-4=2 Exploring Operation: 11-4=7, Resulting Numbers: [6, 7] Generated Node #0,1,4: 76:[6, 7] Operation: 11-4=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[4, 5], Operations: ['29-18=11', '11-6=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[4, 17], Operations: ['29-18=11', '6+11=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 76:[6, 7], Operations: ['29-18=11', '11-4=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[6, 15], Operations: ['29-18=11', '4+11=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 76:[11, 2], Operations: ['29-18=11', '6-4=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,76 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,76 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: 76:[18, 19], Operations: ['29-6=23', '23-4=19'] Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[4, 5], Operations: ['29-6=23', '23-18=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,4,0 Current State: 76:[4, 17], Operations: ['29+6=35', '35-18=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,76 unequal: No Solution Moving to Node #0,4,4 Current State: 76:[18, 39], Operations: ['29+6=35', '4+35=39'] Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,76 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[18, 39], Operations: ['4+29=33', '6+33=39'] Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,76 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[4, 41], Operations: ['29-6=23', '18+23=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,76 unequal: No Solution Moving to Node #0,4,1 Current State: 76:[35, 22], Operations: ['29+6=35', '4+18=22'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[33, 3], Operations: ['4+29=33', '18/6=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,76 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[6, 15], Operations: ['4+29=33', '33-18=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[23, 22], Operations: ['29-6=23', '4+18=22'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,76 unequal: No Solution Moving to Node #0,4,3 Current State: 76:[35, 72], Operations: ['29+6=35', '4*18=72'] Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,76 unequal: No Solution Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[23, 72], Operations: ['29-6=23', '4*18=72'] Exploring Operation: 23+72=95, Resulting Numbers: [95] 95,76 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 23*72=1656, Resulting Numbers: [1656] 1656,76 unequal: No Solution Moving to Node #0,4,2 Current State: 76:[35, 14], Operations: ['29+6=35', '18-4=14'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,76 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,76 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[18, 27], Operations: ['4+29=33', '33-6=27'] Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[33, 24], Operations: ['4+29=33', '18+6=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,76 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 76, 27, 29, 80 ]
36
[ "29-27=2", "80/2=40", "76-40=36" ]
Current State: 36:[76, 27, 29, 80], Operations: [] Exploring Operation: 29-27=2, Resulting Numbers: [76, 80, 2] Generated Node #2: [76, 80, 2] from Operation: 29-27=2 Current State: 36:[76, 80, 2], Operations: ['29-27=2'] Exploring Operation: 80/2=40, Resulting Numbers: [76, 40] Generated Node #3: [76, 40] from Operation: 80/2=40 Current State: 36:[76, 40], Operations: ['29-27=2', '80/2=40'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[76, 27, 29, 80], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [27, 29, 4] Generated Node #0,0: 36:[27, 29, 4] Operation: 80-76=4 Exploring Operation: 76-27=49, Resulting Numbers: [29, 80, 49] Generated Node #0,1: 36:[29, 80, 49] Operation: 76-27=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[27, 29, 4], Operations: ['80-76=4'] Exploring Operation: 27+4=31, Resulting Numbers: [29, 31] Generated Node #0,0,0: 36:[29, 31] Operation: 27+4=31 Exploring Operation: 29-27=2, Resulting Numbers: [4, 2] Generated Node #0,0,1: 36:[4, 2] Operation: 29-27=2 Moving to Node #0,0,1 Current State: 36:[4, 2], Operations: ['80-76=4', '29-27=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[29, 31], Operations: ['80-76=4', '27+4=31'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,36 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:[29, 80, 49], Operations: ['76-27=49'] Exploring Operation: 80-49=31, Resulting Numbers: [29, 31] Generated Node #0,1,0: 36:[29, 31] Operation: 80-49=31 Exploring Operation: 80-29=51, Resulting Numbers: [49, 51] Generated Node #0,1,1: 36:[49, 51] Operation: 80-29=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[29, 31], Operations: ['76-27=49', '80-49=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,36 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,36 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 #0,1,1 Current State: 36:[49, 51], Operations: ['76-27=49', '80-29=51'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,36 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 No solution found.
0
hs_2
sum_heuristic
[ 63, 23, 46, 22 ]
74
[ "46/23=2", "22/2=11", "63+11=74" ]
Current State: 74:[63, 23, 46, 22], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [63, 22, 2] Generated Node #2: [63, 22, 2] from Operation: 46/23=2 Current State: 74:[63, 22, 2], Operations: ['46/23=2'] Exploring Operation: 22/2=11, Resulting Numbers: [63, 11] Generated Node #3: [63, 11] from Operation: 22/2=11 Current State: 74:[63, 11], Operations: ['46/23=2', '22/2=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[63, 23, 46, 22], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [63, 22, 2] Generated Node #0,0: 74:[63, 22, 2] Operation: 46/23=2 Exploring Operation: 23-22=1, Resulting Numbers: [63, 46, 1] Generated Node #0,1: 74:[63, 46, 1] Operation: 23-22=1 Moving to Node #0,1 Current State: 74:[63, 46, 1], Operations: ['23-22=1'] Exploring Operation: 63-46=17, Resulting Numbers: [1, 17] Generated Node #0,1,0: 74:[1, 17] Operation: 63-46=17 Exploring Operation: 63+1=64, Resulting Numbers: [46, 64] Generated Node #0,1,1: 74:[46, 64] Operation: 63+1=64 Moving to Node #0,0 Current State: 74:[63, 22, 2], Operations: ['46/23=2'] Exploring Operation: 63+22=85, Resulting Numbers: [2, 85] Generated Node #0,0,0: 74:[2, 85] Operation: 63+22=85 Exploring Operation: 63-22=41, Resulting Numbers: [2, 41] Generated Node #0,0,1: 74:[2, 41] Operation: 63-22=41 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[2, 41], Operations: ['46/23=2', '63-22=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[2, 85], Operations: ['46/23=2', '63+22=85'] Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,74 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,74 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: 74:[1, 17], Operations: ['23-22=1', '63-46=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[46, 64], Operations: ['23-22=1', '63+1=64'] Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 46+64=110, Resulting Numbers: [110] 110,74 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 91, 48, 22, 16 ]
56
[ "91*16=1456", "48-22=26", "1456/26=56" ]
Current State: 56:[91, 48, 22, 16], Operations: [] Exploring Operation: 91*16=1456, Resulting Numbers: [48, 22, 1456] Generated Node #2: [48, 22, 1456] from Operation: 91*16=1456 Current State: 56:[48, 22, 1456], Operations: ['91*16=1456'] Exploring Operation: 48-22=26, Resulting Numbers: [1456, 26] Generated Node #3: [1456, 26] from Operation: 48-22=26 Current State: 56:[1456, 26], Operations: ['91*16=1456', '48-22=26'] Exploring Operation: 1456/26=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[91, 48, 22, 16], Operations: [] Exploring Operation: 91-22=69, Resulting Numbers: [48, 16, 69] Generated Node #0,0: 56:[48, 16, 69] Operation: 91-22=69 Exploring Operation: 48-22=26, Resulting Numbers: [91, 16, 26] Generated Node #0,1: 56:[91, 16, 26] Operation: 48-22=26 Exploring Operation: 91-16=75, Resulting Numbers: [48, 22, 75] Generated Node #0,2: 56:[48, 22, 75] Operation: 91-16=75 Exploring Operation: 91-48=43, Resulting Numbers: [22, 16, 43] Generated Node #0,3: 56:[22, 16, 43] Operation: 91-48=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[22, 16, 43], Operations: ['91-48=43'] Exploring Operation: 43-22=21, Resulting Numbers: [16, 21] Generated Node #0,3,0: 56:[16, 21] Operation: 43-22=21 Exploring Operation: 43-16=27, Resulting Numbers: [22, 27] Generated Node #0,3,1: 56:[22, 27] Operation: 43-16=27 Exploring Operation: 22+43=65, Resulting Numbers: [16, 65] Generated Node #0,3,2: 56:[16, 65] Operation: 22+43=65 Exploring Operation: 16+43=59, Resulting Numbers: [22, 59] Generated Node #0,3,3: 56:[22, 59] Operation: 16+43=59 Moving to Node #0,3,1 Current State: 56:[22, 27], Operations: ['91-48=43', '43-16=27'] Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,56 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[22, 59], Operations: ['91-48=43', '16+43=59'] Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,56 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[16, 21], Operations: ['91-48=43', '43-22=21'] Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,56 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[16, 65], Operations: ['91-48=43', '22+43=65'] Exploring Operation: 16+65=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 16*65=1040, Resulting Numbers: [1040] 1040,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[48, 16, 69], Operations: ['91-22=69'] Exploring Operation: 48/16=3, Resulting Numbers: [69, 3] Generated Node #0,0,0: 56:[69, 3] Operation: 48/16=3 Exploring Operation: 48-16=32, Resulting Numbers: [69, 32] Generated Node #0,0,1: 56:[69, 32] Operation: 48-16=32 Exploring Operation: 69-16=53, Resulting Numbers: [48, 53] Generated Node #0,0,2: 56:[48, 53] Operation: 69-16=53 Exploring Operation: 69-48=21, Resulting Numbers: [16, 21] Generated Node #0,0,3: 56:[16, 21] Operation: 69-48=21 Moving to Node #0,0,3 Current State: 56:[16, 21], Operations: ['91-22=69', '69-48=21'] Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[48, 53], Operations: ['91-22=69', '69-16=53'] Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[69, 3], Operations: ['91-22=69', '48/16=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,56 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,56 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[69, 32], Operations: ['91-22=69', '48-16=32'] Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,56 unequal: No Solution Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[48, 22, 75], Operations: ['91-16=75'] Exploring Operation: 75-48=27, Resulting Numbers: [22, 27] Generated Node #0,2,0: 56:[22, 27] Operation: 75-48=27 Exploring Operation: 75-22=53, Resulting Numbers: [48, 53] Generated Node #0,2,1: 56:[48, 53] Operation: 75-22=53 Exploring Operation: 48-22=26, Resulting Numbers: [75, 26] Generated Node #0,2,2: 56:[75, 26] Operation: 48-22=26 Exploring Operation: 48+22=70, Resulting Numbers: [75, 70] Generated Node #0,2,3: 56:[75, 70] Operation: 48+22=70 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 56:[22, 27], Operations: ['91-16=75', '75-48=27'] Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,56 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,56 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 #0,2,1 Current State: 56:[48, 53], Operations: ['91-16=75', '75-22=53'] Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,56 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 #0,2,2 Current State: 56:[75, 26], Operations: ['91-16=75', '48-22=26'] Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,56 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,56 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 #0,2,3 Current State: 56:[75, 70], Operations: ['91-16=75', '48+22=70'] Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,56 unequal: No Solution Exploring Operation: 75*70=5250, Resulting Numbers: [5250] 5250,56 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:[91, 16, 26], Operations: ['48-22=26'] Exploring Operation: 16+26=42, Resulting Numbers: [91, 42] Generated Node #0,1,0: 56:[91, 42] Operation: 16+26=42 Exploring Operation: 91-26=65, Resulting Numbers: [16, 65] Generated Node #0,1,1: 56:[16, 65] Operation: 91-26=65 Exploring Operation: 91-16=75, Resulting Numbers: [26, 75] Generated Node #0,1,2: 56:[26, 75] Operation: 91-16=75 Exploring Operation: 26-16=10, Resulting Numbers: [91, 10] Generated Node #0,1,3: 56:[91, 10] Operation: 26-16=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 56:[16, 65], Operations: ['48-22=26', '91-26=65'] Exploring Operation: 16*65=1040, Resulting Numbers: [1040] 1040,56 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 16+65=81, Resulting Numbers: [81] 81,56 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 #0,1,2 Current State: 56:[26, 75], Operations: ['48-22=26', '91-16=75'] Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,56 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,56 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 #0,1,3 Current State: 56:[91, 10], Operations: ['48-22=26', '26-16=10'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,56 unequal: No Solution Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,56 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,56 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:[91, 42], Operations: ['48-22=26', '16+26=42'] Exploring Operation: 91-42=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 91*42=3822, Resulting Numbers: [3822] 3822,56 unequal: No Solution Exploring Operation: 91+42=133, Resulting Numbers: [133] 133,56 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_4
mult_heuristic
[ 30, 25, 3, 21 ]
90
[ "30-25=5", "21-3=18", "5*18=90" ]
Current State: 90:[30, 25, 3, 21], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [3, 21, 5] Generated Node #2: [3, 21, 5] from Operation: 30-25=5 Current State: 90:[3, 21, 5], Operations: ['30-25=5'] Exploring Operation: 21-3=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 21-3=18 Current State: 90:[5, 18], Operations: ['30-25=5', '21-3=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[30, 25, 3, 21], Operations: [] Exploring Operation: 25+21=46, Resulting Numbers: [30, 3, 46] Generated Node #0,0: 90:[30, 3, 46] Operation: 25+21=46 Exploring Operation: 30-21=9, Resulting Numbers: [25, 3, 9] Generated Node #0,1: 90:[25, 3, 9] Operation: 30-21=9 Exploring Operation: 30-25=5, Resulting Numbers: [3, 21, 5] Generated Node #0,2: 90:[3, 21, 5] Operation: 30-25=5 Exploring Operation: 25-21=4, Resulting Numbers: [30, 3, 4] Generated Node #0,3: 90:[30, 3, 4] Operation: 25-21=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[30, 3, 46], Operations: ['25+21=46'] Exploring Operation: 46-3=43, Resulting Numbers: [30, 43] Generated Node #0,0,0: 90:[30, 43] Operation: 46-3=43 Exploring Operation: 30*3=90, Resulting Numbers: [46, 90] Generated Node #0,0,1: 90:[46, 90] Operation: 30*3=90 Exploring Operation: 30/3=10, Resulting Numbers: [46, 10] Generated Node #0,0,2: 90:[46, 10] Operation: 30/3=10 Exploring Operation: 46-30=16, Resulting Numbers: [3, 16] Generated Node #0,0,3: 90:[3, 16] Operation: 46-30=16 Moving to Node #0,0,1 Current State: 90:[46, 90], Operations: ['25+21=46', '30*3=90'] Exploring Operation: 46+90=136, Resulting Numbers: [136] 136,90 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 46*90=4140, Resulting Numbers: [4140] 4140,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[3, 16], Operations: ['25+21=46', '46-30=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[46, 10], Operations: ['25+21=46', '30/3=10'] Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,90 unequal: No Solution 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 Moving to Node #0,0,0 Current State: 90:[30, 43], Operations: ['25+21=46', '46-3=43'] Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,90 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,90 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:[30, 3, 4], Operations: ['25-21=4'] Exploring Operation: 30/3=10, Resulting Numbers: [4, 10] Generated Node #0,3,0: 90:[4, 10] Operation: 30/3=10 Exploring Operation: 4-3=1, Resulting Numbers: [30, 1] Generated Node #0,3,1: 90:[30, 1] Operation: 4-3=1 Exploring Operation: 3+4=7, Resulting Numbers: [30, 7] Generated Node #0,3,2: 90:[30, 7] Operation: 3+4=7 Exploring Operation: 30*3=90, Resulting Numbers: [4, 90] Generated Node #0,3,3: 90:[4, 90] Operation: 30*3=90 Moving to Node #0,3,0 Current State: 90:[4, 10], Operations: ['25-21=4', '30/3=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,90 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[30, 7], Operations: ['25-21=4', '3+4=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,90 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[30, 1], Operations: ['25-21=4', '4-3=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,90 unequal: No Solution Moving to Node #0,3,3 Current State: 90:[4, 90], Operations: ['25-21=4', '30*3=90'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,90 unequal: No Solution Exploring Operation: 4*90=360, Resulting Numbers: [360] 360,90 unequal: No Solution Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[3, 21, 5], Operations: ['30-25=5'] Exploring Operation: 21-3=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 90:[5, 18] Operation: 21-3=18 Exploring Operation: 21-5=16, Resulting Numbers: [3, 16] Generated Node #0,2,1: 90:[3, 16] Operation: 21-5=16 Exploring Operation: 21/3=7, Resulting Numbers: [5, 7] Generated Node #0,2,2: 90:[5, 7] Operation: 21/3=7 Exploring Operation: 3*5=15, Resulting Numbers: [21, 15] Generated Node #0,2,3: 90:[21, 15] Operation: 3*5=15 Moving to Node #0,2,0 Current State: 90:[5, 18], Operations: ['30-25=5', '21-3=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[30, 25, 3, 21], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [3, 21, 5] Generated Node #0,2: 90:[3, 21, 5] Operation: 30-25=5 Moving to Node #0,2 Current State: 90:[3, 21, 5], Operations: ['30-25=5'] Exploring Operation: 21-3=18, Resulting Numbers: [5, 18] Generated Node #0,2,0: 90:[5, 18] Operation: 21-3=18 Moving to Node #0,2,0 Current State: 90:[5, 18], Operations: ['30-25=5', '21-3=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 44, 99, 22, 11 ]
75
[ "44+22=66", "99/11=9", "66+9=75" ]
Current State: 75:[44, 99, 22, 11], Operations: [] Exploring Operation: 44+22=66, Resulting Numbers: [99, 11, 66] Generated Node #2: [99, 11, 66] from Operation: 44+22=66 Current State: 75:[99, 11, 66], Operations: ['44+22=66'] Exploring Operation: 99/11=9, Resulting Numbers: [66, 9] Generated Node #3: [66, 9] from Operation: 99/11=9 Current State: 75:[66, 9], Operations: ['44+22=66', '99/11=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[44, 99, 22, 11], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [44, 22, 9] Generated Node #0,0: 75:[44, 22, 9] Operation: 99/11=9 Exploring Operation: 99-22=77, Resulting Numbers: [44, 11, 77] Generated Node #0,1: 75:[44, 11, 77] Operation: 99-22=77 Exploring Operation: 99-44=55, Resulting Numbers: [22, 11, 55] Generated Node #0,2: 75:[22, 11, 55] Operation: 99-44=55 Exploring Operation: 44/11=4, Resulting Numbers: [99, 22, 4] Generated Node #0,3: 75:[99, 22, 4] Operation: 44/11=4 Exploring Operation: 44/22=2, Resulting Numbers: [99, 11, 2] Generated Node #0,4: 75:[99, 11, 2] Operation: 44/22=2 Moving to Node #0,1 Current State: 75:[44, 11, 77], Operations: ['99-22=77'] Exploring Operation: 44-11=33, Resulting Numbers: [77, 33] Generated Node #0,1,0: 75:[77, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [77, 4] Generated Node #0,1,1: 75:[77, 4] Operation: 44/11=4 Exploring Operation: 44+11=55, Resulting Numbers: [77, 55] Generated Node #0,1,2: 75:[77, 55] Operation: 44+11=55 Exploring Operation: 77/11=7, Resulting Numbers: [44, 7] Generated Node #0,1,3: 75:[44, 7] Operation: 77/11=7 Exploring Operation: 77-44=33, Resulting Numbers: [11, 33] Generated Node #0,1,4: 75:[11, 33] Operation: 77-44=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[77, 4], Operations: ['99-22=77', '44/11=4'] Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,75 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,75 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[77, 33], Operations: ['99-22=77', '44-11=33'] Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 75:[11, 33], Operations: ['99-22=77', '77-44=33'] Exploring Operation: 11+33=44, Resulting Numbers: [44] 44,75 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 11*33=363, Resulting Numbers: [363] 363,75 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[44, 7], Operations: ['99-22=77', '77/11=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,75 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,75 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[77, 55], Operations: ['99-22=77', '44+11=55'] Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 77+55=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 77*55=4235, Resulting Numbers: [4235] 4235,75 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: 75:[44, 22, 9], Operations: ['99/11=9'] Exploring Operation: 44/22=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 75:[9, 2] Operation: 44/22=2 Exploring Operation: 44-22=22, Resulting Numbers: [9, 22] Generated Node #0,0,1: 75:[9, 22] Operation: 44-22=22 Exploring Operation: 22-9=13, Resulting Numbers: [44, 13] Generated Node #0,0,2: 75:[44, 13] Operation: 22-9=13 Exploring Operation: 44-9=35, Resulting Numbers: [22, 35] Generated Node #0,0,3: 75:[22, 35] Operation: 44-9=35 Exploring Operation: 44+22=66, Resulting Numbers: [9, 66] Generated Node #0,0,4: 75:[9, 66] Operation: 44+22=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[9, 2], Operations: ['99/11=9', '44/22=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[9, 22], Operations: ['99/11=9', '44-22=22'] Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,75 unequal: No Solution Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[22, 35], Operations: ['99/11=9', '44-9=35'] Exploring Operation: 22+35=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 22*35=770, Resulting Numbers: [770] 770,75 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 75:[9, 66], Operations: ['99/11=9', '44+22=66'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,75 unequal: No Solution Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[44, 99, 22, 11], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [44, 22, 9] Generated Node #0,0: 75:[44, 22, 9] Operation: 99/11=9 Moving to Node #0,0 Current State: 75:[44, 22, 9], Operations: ['99/11=9'] Exploring Operation: 44+22=66, Resulting Numbers: [9, 66] Generated Node #0,0,4: 75:[9, 66] Operation: 44+22=66 Moving to Node #0,0,4 Current State: 75:[9, 66], Operations: ['99/11=9', '44+22=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 24, 74, 74, 13 ]
37
[ "24+74=98", "74-13=61", "98-61=37" ]
Current State: 37:[24, 74, 74, 13], Operations: [] Exploring Operation: 24+74=98, Resulting Numbers: [13, 98] Generated Node #2: [13, 98] from Operation: 24+74=98 Current State: 37:[13, 98], Operations: ['24+74=98'] Exploring Operation: 74-13=61, Resulting Numbers: [98, 61] Generated Node #3: [98, 61] from Operation: 74-13=61 Current State: 37:[98, 61], Operations: ['24+74=98', '74-13=61'] Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[24, 74, 74, 13], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [24, 13, 1] Generated Node #0,0: 37:[24, 13, 1] Operation: 74/74=1 Moving to Node #0,0 Current State: 37:[24, 13, 1], Operations: ['74/74=1'] Exploring Operation: 24+13=37, Resulting Numbers: [1, 37] Generated Node #0,0,0: 37:[1, 37] Operation: 24+13=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[1, 37], Operations: ['74/74=1', '24+13=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[24, 74, 74, 13], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [24, 13, 1] Generated Node #0,0: 37:[24, 13, 1] Operation: 74/74=1 Moving to Node #0,0 Current State: 37:[24, 13, 1], Operations: ['74/74=1'] Exploring Operation: 24+13=37, Resulting Numbers: [1, 37] Generated Node #0,0,0: 37:[1, 37] Operation: 24+13=37 Moving to Node #0,0,0 Current State: 37:[1, 37], Operations: ['74/74=1', '24+13=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 16, 17, 3, 83 ]
28
[ "17-16=1", "83+1=84", "84/3=28" ]
Current State: 28:[16, 17, 3, 83], Operations: [] Exploring Operation: 17-16=1, Resulting Numbers: [3, 83, 1] Generated Node #2: [3, 83, 1] from Operation: 17-16=1 Current State: 28:[3, 83, 1], Operations: ['17-16=1'] Exploring Operation: 83+1=84, Resulting Numbers: [3, 84] Generated Node #3: [3, 84] from Operation: 83+1=84 Current State: 28:[3, 84], Operations: ['17-16=1', '83+1=84'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[16, 17, 3, 83], Operations: [] Exploring Operation: 83-16=67, Resulting Numbers: [17, 3, 67] Generated Node #0,0: 28:[17, 3, 67] Operation: 83-16=67 Exploring Operation: 83-17=66, Resulting Numbers: [16, 3, 66] Generated Node #0,1: 28:[16, 3, 66] Operation: 83-17=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[16, 3, 66], Operations: ['83-17=66'] Exploring Operation: 66-16=50, Resulting Numbers: [3, 50] Generated Node #0,1,0: 28:[3, 50] Operation: 66-16=50 Exploring Operation: 66/3=22, Resulting Numbers: [16, 22] Generated Node #0,1,1: 28:[16, 22] Operation: 66/3=22 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[16, 22], Operations: ['83-17=66', '66/3=22'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[3, 50], Operations: ['83-17=66', '66-16=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,28 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: 28:[17, 3, 67], Operations: ['83-16=67'] Exploring Operation: 67-17=50, Resulting Numbers: [3, 50] Generated Node #0,0,0: 28:[3, 50] Operation: 67-17=50 Exploring Operation: 17-3=14, Resulting Numbers: [67, 14] Generated Node #0,0,1: 28:[67, 14] Operation: 17-3=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[3, 50], Operations: ['83-16=67', '67-17=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,28 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[67, 14], Operations: ['83-16=67', '17-3=14'] Exploring Operation: 67+14=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,28 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
[ 39, 22, 64, 97 ]
94
[ "39+22=61", "97-64=33", "61+33=94" ]
Current State: 94:[39, 22, 64, 97], Operations: [] Exploring Operation: 39+22=61, Resulting Numbers: [64, 97, 61] Generated Node #2: [64, 97, 61] from Operation: 39+22=61 Current State: 94:[64, 97, 61], Operations: ['39+22=61'] Exploring Operation: 97-64=33, Resulting Numbers: [61, 33] Generated Node #3: [61, 33] from Operation: 97-64=33 Current State: 94:[61, 33], Operations: ['39+22=61', '97-64=33'] Exploring Operation: 61+33=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[39, 22, 64, 97], Operations: [] Exploring Operation: 22+64=86, Resulting Numbers: [39, 97, 86] Generated Node #0,0: 94:[39, 97, 86] Operation: 22+64=86 Exploring Operation: 39+64=103, Resulting Numbers: [22, 97, 103] Generated Node #0,1: 94:[22, 97, 103] Operation: 39+64=103 Exploring Operation: 64-22=42, Resulting Numbers: [39, 97, 42] Generated Node #0,2: 94:[39, 97, 42] Operation: 64-22=42 Moving to Node #0,2 Current State: 94:[39, 97, 42], Operations: ['64-22=42'] Exploring Operation: 42-39=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 94:[97, 3] Operation: 42-39=3 Exploring Operation: 97-39=58, Resulting Numbers: [42, 58] Generated Node #0,2,1: 94:[42, 58] Operation: 97-39=58 Exploring Operation: 39+42=81, Resulting Numbers: [97, 81] Generated Node #0,2,2: 94:[97, 81] Operation: 39+42=81 Moving to Node #0,0 Current State: 94:[39, 97, 86], Operations: ['22+64=86'] Exploring Operation: 97-86=11, Resulting Numbers: [39, 11] Generated Node #0,0,0: 94:[39, 11] Operation: 97-86=11 Exploring Operation: 86-39=47, Resulting Numbers: [97, 47] Generated Node #0,0,1: 94:[97, 47] Operation: 86-39=47 Exploring Operation: 97-39=58, Resulting Numbers: [86, 58] Generated Node #0,0,2: 94:[86, 58] Operation: 97-39=58 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[97, 47], Operations: ['22+64=86', '86-39=47'] Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,94 unequal: No Solution Exploring Operation: 97+47=144, Resulting Numbers: [144] 144,94 unequal: No Solution Exploring Operation: 97*47=4559, Resulting Numbers: [4559] 4559,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[39, 11], Operations: ['22+64=86', '97-86=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,94 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[86, 58], Operations: ['22+64=86', '97-39=58'] Exploring Operation: 86+58=144, Resulting Numbers: [144] 144,94 unequal: No Solution Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 86*58=4988, Resulting Numbers: [4988] 4988,94 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: 94:[22, 97, 103], Operations: ['39+64=103'] Exploring Operation: 103-22=81, Resulting Numbers: [97, 81] Generated Node #0,1,0: 94:[97, 81] Operation: 103-22=81 Exploring Operation: 103-97=6, Resulting Numbers: [22, 6] Generated Node #0,1,1: 94:[22, 6] Operation: 103-97=6 Exploring Operation: 97-22=75, Resulting Numbers: [103, 75] Generated Node #0,1,2: 94:[103, 75] Operation: 97-22=75 Moving to Node #0,2,0 Current State: 94:[97, 3], Operations: ['64-22=42', '42-39=3'] Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,94 unequal: No Solution Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,94 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[39, 22, 64, 97], Operations: [] Exploring Operation: 64-22=42, Resulting Numbers: [39, 97, 42] Generated Node #0,2: 94:[39, 97, 42] Operation: 64-22=42 Moving to Node #0,2 Current State: 94:[39, 97, 42], Operations: ['64-22=42'] Exploring Operation: 42-39=3, Resulting Numbers: [97, 3] Generated Node #0,2,0: 94:[97, 3] Operation: 42-39=3 Moving to Node #0,2,0 Current State: 94:[97, 3], Operations: ['64-22=42', '42-39=3'] Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 6, 5, 18, 62 ]
58
[ "6+18=24", "5*24=120", "120-62=58" ]
Current State: 58:[6, 5, 18, 62], Operations: [] Exploring Operation: 6+18=24, Resulting Numbers: [5, 62, 24] Generated Node #2: [5, 62, 24] from Operation: 6+18=24 Current State: 58:[5, 62, 24], Operations: ['6+18=24'] Exploring Operation: 5*24=120, Resulting Numbers: [62, 120] Generated Node #3: [62, 120] from Operation: 5*24=120 Current State: 58:[62, 120], Operations: ['6+18=24', '5*24=120'] Exploring Operation: 120-62=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[6, 5, 18, 62], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [5, 62, 3] Generated Node #0,0: 58:[5, 62, 3] Operation: 18/6=3 Exploring Operation: 6-5=1, Resulting Numbers: [18, 62, 1] Generated Node #0,1: 58:[18, 62, 1] Operation: 6-5=1 Exploring Operation: 6+18=24, Resulting Numbers: [5, 62, 24] Generated Node #0,2: 58:[5, 62, 24] Operation: 6+18=24 Exploring Operation: 6*5=30, Resulting Numbers: [18, 62, 30] Generated Node #0,3: 58:[18, 62, 30] Operation: 6*5=30 Exploring Operation: 5+18=23, Resulting Numbers: [6, 62, 23] Generated Node #0,4: 58:[6, 62, 23] Operation: 5+18=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[5, 62, 3], Operations: ['18/6=3'] Exploring Operation: 5+62=67, Resulting Numbers: [3, 67] Generated Node #0,0,0: 58:[3, 67] Operation: 5+62=67 Exploring Operation: 5-3=2, Resulting Numbers: [62, 2] Generated Node #0,0,1: 58:[62, 2] Operation: 5-3=2 Exploring Operation: 62-3=59, Resulting Numbers: [5, 59] Generated Node #0,0,2: 58:[5, 59] Operation: 62-3=59 Exploring Operation: 62-5=57, Resulting Numbers: [3, 57] Generated Node #0,0,3: 58:[3, 57] Operation: 62-5=57 Exploring Operation: 5+3=8, Resulting Numbers: [62, 8] Generated Node #0,0,4: 58:[62, 8] Operation: 5+3=8 Moving to Node #0,0,3 Current State: 58:[3, 57], Operations: ['18/6=3', '62-5=57'] Exploring Operation: 3+57=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 3*57=171, Resulting Numbers: [171] 171,58 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[5, 59], Operations: ['18/6=3', '62-3=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[62, 2], Operations: ['18/6=3', '5-3=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[3, 67], Operations: ['18/6=3', '5+62=67'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,58 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[62, 8], Operations: ['18/6=3', '5+3=8'] Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,58 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[5, 62, 24], Operations: ['6+18=24'] Exploring Operation: 5+24=29, Resulting Numbers: [62, 29] Generated Node #0,2,0: 58:[62, 29] Operation: 5+24=29 Exploring Operation: 5+62=67, Resulting Numbers: [24, 67] Generated Node #0,2,1: 58:[24, 67] Operation: 5+62=67 Exploring Operation: 62-24=38, Resulting Numbers: [5, 38] Generated Node #0,2,2: 58:[5, 38] Operation: 62-24=38 Exploring Operation: 24-5=19, Resulting Numbers: [62, 19] Generated Node #0,2,3: 58:[62, 19] Operation: 24-5=19 Exploring Operation: 62-5=57, Resulting Numbers: [24, 57] Generated Node #0,2,4: 58:[24, 57] Operation: 62-5=57 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[62, 29], Operations: ['6+18=24', '5+24=29'] Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 62+29=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 62*29=1798, Resulting Numbers: [1798] 1798,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 58:[24, 57], Operations: ['6+18=24', '62-5=57'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 24*57=1368, Resulting Numbers: [1368] 1368,58 unequal: No Solution Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,58 unequal: No Solution No 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: 58:[5, 38], Operations: ['6+18=24', '62-24=38'] Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,58 unequal: No Solution Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,58 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,58 unequal: No Solution No 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: 58:[24, 67], Operations: ['6+18=24', '5+62=67'] Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 24*67=1608, Resulting Numbers: [1608] 1608,58 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,58 unequal: No Solution No 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: 58:[62, 19], Operations: ['6+18=24', '24-5=19'] Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,58 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 58:[6, 62, 23], Operations: ['5+18=23'] Exploring Operation: 23-6=17, Resulting Numbers: [62, 17] Generated Node #0,4,0: 58:[62, 17] Operation: 23-6=17 Exploring Operation: 62-6=56, Resulting Numbers: [23, 56] Generated Node #0,4,1: 58:[23, 56] Operation: 62-6=56 Exploring Operation: 6+62=68, Resulting Numbers: [23, 68] Generated Node #0,4,2: 58:[23, 68] Operation: 6+62=68 Exploring Operation: 62-23=39, Resulting Numbers: [6, 39] Generated Node #0,4,3: 58:[6, 39] Operation: 62-23=39 Exploring Operation: 6+23=29, Resulting Numbers: [62, 29] Generated Node #0,4,4: 58:[62, 29] Operation: 6+23=29 Moving to Node #0,4,4 Current State: 58:[62, 29], Operations: ['5+18=23', '6+23=29'] Exploring Operation: 62-29=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 62+29=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 62*29=1798, Resulting Numbers: [1798] 1798,58 unequal: No Solution Moving to Node #0,4,1 Current State: 58:[23, 56], Operations: ['5+18=23', '62-6=56'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,58 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,58 unequal: No Solution Moving to Node #0,4,3 Current State: 58:[6, 39], Operations: ['5+18=23', '62-23=39'] Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,58 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,58 unequal: No Solution Moving to Node #0,4,0 Current State: 58:[62, 17], Operations: ['5+18=23', '23-6=17'] Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 62*17=1054, Resulting Numbers: [1054] 1054,58 unequal: No Solution Exploring Operation: 62+17=79, Resulting Numbers: [79] 79,58 unequal: No Solution Moving to Node #0,4,2 Current State: 58:[23, 68], Operations: ['5+18=23', '6+62=68'] Exploring Operation: 23*68=1564, Resulting Numbers: [1564] 1564,58 unequal: No Solution Exploring Operation: 23+68=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,58 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 Current State: 58:[18, 62, 1], Operations: ['6-5=1'] Exploring Operation: 62-18=44, Resulting Numbers: [1, 44] Generated Node #0,1,0: 58:[1, 44] Operation: 62-18=44 Exploring Operation: 62-1=61, Resulting Numbers: [18, 61] Generated Node #0,1,1: 58:[18, 61] Operation: 62-1=61 Exploring Operation: 18*1=18, Resulting Numbers: [62, 18] Generated Node #0,1,2: 58:[62, 18] Operation: 18*1=18 Exploring Operation: 18+1=19, Resulting Numbers: [62, 19] Generated Node #0,1,3: 58:[62, 19] Operation: 18+1=19 Exploring Operation: 18/1=18, Resulting Numbers: [62, 18] Generated Node #0,1,4: 58:[62, 18] Operation: 18/1=18 Moving to Node #0,1,1 Current State: 58:[18, 61], Operations: ['6-5=1', '62-1=61'] Exploring Operation: 18+61=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 18*61=1098, Resulting Numbers: [1098] 1098,58 unequal: No Solution Exploring Operation: 61-18=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,3 Current State: 58:[62, 19], Operations: ['6-5=1', '18+1=19'] Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,58 unequal: No Solution Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,58 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[1, 44], Operations: ['6-5=1', '62-18=44'] Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,2 Current State: 58:[62, 18], Operations: ['6-5=1', '18*1=18'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,58 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,58 unequal: No Solution Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,58 unequal: No Solution Moving to Node #0,1,4 Current State: 58:[62, 18], Operations: ['6-5=1', '18/1=18'] Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,58 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,58 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[18, 62, 30], Operations: ['6*5=30'] Exploring Operation: 30-18=12, Resulting Numbers: [62, 12] Generated Node #0,3,0: 58:[62, 12] Operation: 30-18=12 Exploring Operation: 18+62=80, Resulting Numbers: [30, 80] Generated Node #0,3,1: 58:[30, 80] Operation: 18+62=80 Exploring Operation: 62-18=44, Resulting Numbers: [30, 44] Generated Node #0,3,2: 58:[30, 44] Operation: 62-18=44 Exploring Operation: 62-30=32, Resulting Numbers: [18, 32] Generated Node #0,3,3: 58:[18, 32] Operation: 62-30=32 Exploring Operation: 18+30=48, Resulting Numbers: [62, 48] Generated Node #0,3,4: 58:[62, 48] Operation: 18+30=48 Moving to Node #0,3,0 Current State: 58:[62, 12], Operations: ['6*5=30', '30-18=12'] Exploring Operation: 62*12=744, Resulting Numbers: [744] 744,58 unequal: No Solution Exploring Operation: 62+12=74, Resulting Numbers: [74] 74,58 unequal: No Solution Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,58 unequal: No Solution Moving to Node #0,3,4 Current State: 58:[62, 48], Operations: ['6*5=30', '18+30=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,58 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[18, 32], Operations: ['6*5=30', '62-30=32'] Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 18*32=576, Resulting Numbers: [576] 576,58 unequal: No Solution Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[30, 44], Operations: ['6*5=30', '62-18=44'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,58 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[30, 80], Operations: ['6*5=30', '18+62=80'] Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,58 unequal: No Solution Exploring Operation: 30+80=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 30*80=2400, Resulting Numbers: [2400] 2400,58 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
[ 79, 91, 20, 19 ]
51
[ "91-79=12", "20+19=39", "12+39=51" ]
Current State: 51:[79, 91, 20, 19], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [20, 19, 12] Generated Node #2: [20, 19, 12] from Operation: 91-79=12 Current State: 51:[20, 19, 12], Operations: ['91-79=12'] Exploring Operation: 20+19=39, Resulting Numbers: [12, 39] Generated Node #3: [12, 39] from Operation: 20+19=39 Current State: 51:[12, 39], Operations: ['91-79=12', '20+19=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[79, 91, 20, 19], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [20, 19, 12] Generated Node #0,0: 51:[20, 19, 12] Operation: 91-79=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[20, 19, 12], Operations: ['91-79=12'] Exploring Operation: 20-19=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 51:[12, 1] Operation: 20-19=1 Moving to Node #0,0,0 Current State: 51:[12, 1], Operations: ['91-79=12', '20-19=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 12, 57, 37, 45 ]
29
[ "37*45=1665", "1665-12=1653", "1653/57=29" ]
Current State: 29:[12, 57, 37, 45], Operations: [] Exploring Operation: 37*45=1665, Resulting Numbers: [12, 57, 1665] Generated Node #2: [12, 57, 1665] from Operation: 37*45=1665 Current State: 29:[12, 57, 1665], Operations: ['37*45=1665'] Exploring Operation: 1665-12=1653, Resulting Numbers: [57, 1653] Generated Node #3: [57, 1653] from Operation: 1665-12=1653 Current State: 29:[57, 1653], Operations: ['37*45=1665', '1665-12=1653'] Exploring Operation: 1653/57=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[12, 57, 37, 45], Operations: [] Exploring Operation: 57-12=45, Resulting Numbers: [37, 45, 45] Generated Node #0,0: 29:[37, 45, 45] Operation: 57-12=45 Exploring Operation: 57-37=20, Resulting Numbers: [12, 45, 20] Generated Node #0,1: 29:[12, 45, 20] Operation: 57-37=20 Exploring Operation: 45-12=33, Resulting Numbers: [57, 37, 33] Generated Node #0,2: 29:[57, 37, 33] Operation: 45-12=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[37, 45, 45], Operations: ['57-12=45'] Exploring Operation: 45/45=1, Resulting Numbers: [37, 1] Generated Node #0,0,0: 29:[37, 1] Operation: 45/45=1 Exploring Operation: 45-37=8, Resulting Numbers: [45, 8] Generated Node #0,0,1: 29:[45, 8] Operation: 45-37=8 Exploring Operation: 45-37=8, Resulting Numbers: [45, 8] Generated Node #0,0,2: 29:[45, 8] Operation: 45-37=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[37, 1], Operations: ['57-12=45', '45/45=1'] Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[45, 8], Operations: ['57-12=45', '45-37=8'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[45, 8], Operations: ['57-12=45', '45-37=8'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[57, 37, 33], Operations: ['45-12=33'] Exploring Operation: 57-33=24, Resulting Numbers: [37, 24] Generated Node #0,2,0: 29:[37, 24] Operation: 57-33=24 Exploring Operation: 37-33=4, Resulting Numbers: [57, 4] Generated Node #0,2,1: 29:[57, 4] Operation: 37-33=4 Exploring Operation: 57-37=20, Resulting Numbers: [33, 20] Generated Node #0,2,2: 29:[33, 20] Operation: 57-37=20 Moving to Node #0,2,0 Current State: 29:[37, 24], Operations: ['45-12=33', '57-33=24'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[33, 20], Operations: ['45-12=33', '57-37=20'] Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,29 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[57, 4], Operations: ['45-12=33', '37-33=4'] Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 57*4=228, Resulting Numbers: [228] 228,29 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[12, 45, 20], Operations: ['57-37=20'] Exploring Operation: 45-20=25, Resulting Numbers: [12, 25] Generated Node #0,1,0: 29:[12, 25] Operation: 45-20=25 Exploring Operation: 45-12=33, Resulting Numbers: [20, 33] Generated Node #0,1,1: 29:[20, 33] Operation: 45-12=33 Exploring Operation: 12+20=32, Resulting Numbers: [45, 32] Generated Node #0,1,2: 29:[45, 32] Operation: 12+20=32 Moving to Node #0,1,1 Current State: 29:[20, 33], Operations: ['57-37=20', '45-12=33'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,29 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[45, 32], Operations: ['57-37=20', '12+20=32'] Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,29 unequal: No Solution Exploring Operation: 45*32=1440, Resulting Numbers: [1440] 1440,29 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[12, 25], Operations: ['57-37=20', '45-20=25'] Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,29 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 22, 1, 98, 24 ]
51
[ "22+1=23", "98-24=74", "74-23=51" ]
Current State: 51:[22, 1, 98, 24], Operations: [] Exploring Operation: 22+1=23, Resulting Numbers: [98, 24, 23] Generated Node #2: [98, 24, 23] from Operation: 22+1=23 Current State: 51:[98, 24, 23], Operations: ['22+1=23'] Exploring Operation: 98-24=74, Resulting Numbers: [23, 74] Generated Node #3: [23, 74] from Operation: 98-24=74 Current State: 51:[23, 74], Operations: ['22+1=23', '98-24=74'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[22, 1, 98, 24], Operations: [] Exploring Operation: 98-22=76, Resulting Numbers: [1, 24, 76] Generated Node #0,0: 51:[1, 24, 76] Operation: 98-22=76 Exploring Operation: 98-24=74, Resulting Numbers: [22, 1, 74] Generated Node #0,1: 51:[22, 1, 74] Operation: 98-24=74 Moving to Node #0,1 Current State: 51:[22, 1, 74], Operations: ['98-24=74'] Exploring Operation: 74-22=52, Resulting Numbers: [1, 52] Generated Node #0,1,0: 51:[1, 52] Operation: 74-22=52 Exploring Operation: 22-1=21, Resulting Numbers: [74, 21] Generated Node #0,1,1: 51:[74, 21] Operation: 22-1=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[1, 52], Operations: ['98-24=74', '74-22=52'] Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[22, 1, 98, 24], Operations: [] Exploring Operation: 98-24=74, Resulting Numbers: [22, 1, 74] Generated Node #0,1: 51:[22, 1, 74] Operation: 98-24=74 Moving to Node #0,1 Current State: 51:[22, 1, 74], Operations: ['98-24=74'] Exploring Operation: 74-22=52, Resulting Numbers: [1, 52] Generated Node #0,1,0: 51:[1, 52] Operation: 74-22=52 Moving to Node #0,1,0 Current State: 51:[1, 52], Operations: ['98-24=74', '74-22=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 71, 56, 32, 7 ]
31
[ "71-32=39", "56/7=8", "39-8=31" ]
Current State: 31:[71, 56, 32, 7], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [56, 7, 39] Generated Node #2: [56, 7, 39] from Operation: 71-32=39 Current State: 31:[56, 7, 39], Operations: ['71-32=39'] Exploring Operation: 56/7=8, Resulting Numbers: [39, 8] Generated Node #3: [39, 8] from Operation: 56/7=8 Current State: 31:[39, 8], Operations: ['71-32=39', '56/7=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[71, 56, 32, 7], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [56, 7, 39] Generated Node #0,0: 31:[56, 7, 39] Operation: 71-32=39 Exploring Operation: 71-56=15, Resulting Numbers: [32, 7, 15] Generated Node #0,1: 31:[32, 7, 15] Operation: 71-56=15 Exploring Operation: 71-7=64, Resulting Numbers: [56, 32, 64] Generated Node #0,2: 31:[56, 32, 64] Operation: 71-7=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[32, 7, 15], Operations: ['71-56=15'] Exploring Operation: 32+7=39, Resulting Numbers: [15, 39] Generated Node #0,1,0: 31:[15, 39] Operation: 32+7=39 Exploring Operation: 32-7=25, Resulting Numbers: [15, 25] Generated Node #0,1,1: 31:[15, 25] Operation: 32-7=25 Exploring Operation: 7+15=22, Resulting Numbers: [32, 22] Generated Node #0,1,2: 31:[32, 22] Operation: 7+15=22 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 31:[32, 22], Operations: ['71-56=15', '7+15=22'] Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,31 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[15, 25], Operations: ['71-56=15', '32-7=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,31 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[15, 39], Operations: ['71-56=15', '32+7=39'] Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,31 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,31 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: 31:[56, 7, 39], Operations: ['71-32=39'] Exploring Operation: 56-7=49, Resulting Numbers: [39, 49] Generated Node #0,0,0: 31:[39, 49] Operation: 56-7=49 Exploring Operation: 39-7=32, Resulting Numbers: [56, 32] Generated Node #0,0,1: 31:[56, 32] Operation: 39-7=32 Exploring Operation: 56/7=8, Resulting Numbers: [39, 8] Generated Node #0,0,2: 31:[39, 8] Operation: 56/7=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[39, 49], Operations: ['71-32=39', '56-7=49'] Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,31 unequal: No Solution Exploring Operation: 39*49=1911, Resulting Numbers: [1911] 1911,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[56, 32], Operations: ['71-32=39', '39-7=32'] Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,31 unequal: No Solution Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[39, 8], Operations: ['71-32=39', '56/7=8'] Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,31 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[71, 56, 32, 7], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [56, 7, 39] Generated Node #0,0: 31:[56, 7, 39] Operation: 71-32=39 Moving to Node #0,0 Current State: 31:[56, 7, 39], Operations: ['71-32=39'] Exploring Operation: 56/7=8, Resulting Numbers: [39, 8] Generated Node #0,0,2: 31:[39, 8] Operation: 56/7=8 Moving to Node #0,0,2 Current State: 31:[39, 8], Operations: ['71-32=39', '56/7=8'] Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic