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
[ 6, 24, 9, 36 ]
16
[ "24/6=4", "36/9=4", "4*4=16" ]
Current State: 16:[6, 24, 9, 36], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [9, 36, 4] Generated Node #2: [9, 36, 4] from Operation: 24/6=4 Current State: 16:[9, 36, 4], Operations: ['24/6=4'] Exploring Operation: 36/9=4, Resulting Numbers: [4, 4] Generated Node #3: [4, 4] from Operation: 36/9=4 Current State: 16:[4, 4], Operations: ['24/6=4', '36/9=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[6, 24, 9, 36], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [9, 36, 4] Generated Node #0,0: 16:[9, 36, 4] Operation: 24/6=4 Exploring Operation: 36/9=4, Resulting Numbers: [6, 24, 4] Generated Node #0,1: 16:[6, 24, 4] Operation: 36/9=4 Exploring Operation: 36/6=6, Resulting Numbers: [24, 9, 6] Generated Node #0,2: 16:[24, 9, 6] Operation: 36/6=6 Exploring Operation: 36-24=12, Resulting Numbers: [6, 9, 12] Generated Node #0,3: 16:[6, 9, 12] Operation: 36-24=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[6, 9, 12], Operations: ['36-24=12'] Exploring Operation: 12/6=2, Resulting Numbers: [9, 2] Generated Node #0,3,0: 16:[9, 2] Operation: 12/6=2 Exploring Operation: 12-6=6, Resulting Numbers: [9, 6] Generated Node #0,3,1: 16:[9, 6] Operation: 12-6=6 Exploring Operation: 6+12=18, Resulting Numbers: [9, 18] Generated Node #0,3,2: 16:[9, 18] Operation: 6+12=18 Exploring Operation: 12-9=3, Resulting Numbers: [6, 3] Generated Node #0,3,3: 16:[6, 3] Operation: 12-9=3 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 16:[9, 2], Operations: ['36-24=12', '12/6=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,16 unequal: No Solution No 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: 16:[9, 6], Operations: ['36-24=12', '12-6=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,16 unequal: No Solution No 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: 16:[9, 18], Operations: ['36-24=12', '6+12=18'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 9*18=162, Resulting Numbers: [162] 162,16 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,16 unequal: No Solution No 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: 16:[6, 3], Operations: ['36-24=12', '12-9=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,16 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: 16:[6, 24, 4], Operations: ['36/9=4'] Exploring Operation: 24-4=20, Resulting Numbers: [6, 20] Generated Node #0,1,0: 16:[6, 20] Operation: 24-4=20 Exploring Operation: 24-6=18, Resulting Numbers: [4, 18] Generated Node #0,1,1: 16:[4, 18] Operation: 24-6=18 Exploring Operation: 24/4=6, Resulting Numbers: [6, 6] Generated Node #0,1,2: 16:[6, 6] Operation: 24/4=6 Exploring Operation: 24/6=4, Resulting Numbers: [4, 4] Generated Node #0,1,3: 16:[4, 4] Operation: 24/6=4 Moving to Node #0,1,3 Current State: 16:[4, 4], Operations: ['36/9=4', '24/6=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[6, 24, 9, 36], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [6, 24, 4] Generated Node #0,1: 16:[6, 24, 4] Operation: 36/9=4 Moving to Node #0,1 Current State: 16:[6, 24, 4], Operations: ['36/9=4'] Exploring Operation: 24/6=4, Resulting Numbers: [4, 4] Generated Node #0,1,3: 16:[4, 4] Operation: 24/6=4 Moving to Node #0,1,3 Current State: 16:[4, 4], Operations: ['36/9=4', '24/6=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 21, 26, 1, 12 ]
58
[ "21+26=47", "12-1=11", "47+11=58" ]
Current State: 58:[21, 26, 1, 12], Operations: [] Exploring Operation: 21+26=47, Resulting Numbers: [1, 12, 47] Generated Node #2: [1, 12, 47] from Operation: 21+26=47 Current State: 58:[1, 12, 47], Operations: ['21+26=47'] Exploring Operation: 12-1=11, Resulting Numbers: [47, 11] Generated Node #3: [47, 11] from Operation: 12-1=11 Current State: 58:[47, 11], Operations: ['21+26=47', '12-1=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[21, 26, 1, 12], Operations: [] Exploring Operation: 21+12=33, Resulting Numbers: [26, 1, 33] Generated Node #0,0: 58:[26, 1, 33] Operation: 21+12=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[26, 1, 33], Operations: ['21+12=33'] Exploring Operation: 26+33=59, Resulting Numbers: [1, 59] Generated Node #0,0,0: 58:[1, 59] Operation: 26+33=59 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[1, 59], Operations: ['21+12=33', '26+33=59'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[21, 26, 1, 12], Operations: [] Exploring Operation: 21+12=33, Resulting Numbers: [26, 1, 33] Generated Node #0,0: 58:[26, 1, 33] Operation: 21+12=33 Moving to Node #0,0 Current State: 58:[26, 1, 33], Operations: ['21+12=33'] Exploring Operation: 26+33=59, Resulting Numbers: [1, 59] Generated Node #0,0,0: 58:[1, 59] Operation: 26+33=59 Moving to Node #0,0,0 Current State: 58:[1, 59], Operations: ['21+12=33', '26+33=59'] Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 99, 2, 75, 96 ]
48
[ "99-75=24", "2*24=48", "96-48=48" ]
Current State: 48:[99, 2, 75, 96], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [2, 96, 24] Generated Node #2: [2, 96, 24] from Operation: 99-75=24 Current State: 48:[2, 96, 24], Operations: ['99-75=24'] Exploring Operation: 2*24=48, Resulting Numbers: [96, 48] Generated Node #3: [96, 48] from Operation: 2*24=48 Current State: 48:[96, 48], Operations: ['99-75=24', '2*24=48'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[99, 2, 75, 96], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [2, 75, 3] Generated Node #0,0: 48:[2, 75, 3] Operation: 99-96=3 Exploring Operation: 99-2=97, Resulting Numbers: [75, 96, 97] Generated Node #0,1: 48:[75, 96, 97] Operation: 99-2=97 Exploring Operation: 96-75=21, Resulting Numbers: [99, 2, 21] Generated Node #0,2: 48:[99, 2, 21] Operation: 96-75=21 Exploring Operation: 99-75=24, Resulting Numbers: [2, 96, 24] Generated Node #0,3: 48:[2, 96, 24] Operation: 99-75=24 Exploring Operation: 96/2=48, Resulting Numbers: [99, 75, 48] Generated Node #0,4: 48:[99, 75, 48] Operation: 96/2=48 Moving to Node #0,0 Current State: 48:[2, 75, 3], Operations: ['99-96=3'] Exploring Operation: 75/3=25, Resulting Numbers: [2, 25] Generated Node #0,0,0: 48:[2, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [2, 72] Generated Node #0,0,1: 48:[2, 72] Operation: 75-3=72 Exploring Operation: 75-2=73, Resulting Numbers: [3, 73] Generated Node #0,0,2: 48:[3, 73] Operation: 75-2=73 Exploring Operation: 2*3=6, Resulting Numbers: [75, 6] Generated Node #0,0,3: 48:[75, 6] Operation: 2*3=6 Exploring Operation: 2+3=5, Resulting Numbers: [75, 5] Generated Node #0,0,4: 48:[75, 5] Operation: 2+3=5 Moving to Node #0,3 Current State: 48:[2, 96, 24], Operations: ['99-75=24'] Exploring Operation: 2*24=48, Resulting Numbers: [96, 48] Generated Node #0,3,0: 48:[96, 48] Operation: 2*24=48 Exploring Operation: 96-24=72, Resulting Numbers: [2, 72] Generated Node #0,3,1: 48:[2, 72] Operation: 96-24=72 Exploring Operation: 96-2=94, Resulting Numbers: [24, 94] Generated Node #0,3,2: 48:[24, 94] Operation: 96-2=94 Exploring Operation: 96/24=4, Resulting Numbers: [2, 4] Generated Node #0,3,3: 48:[2, 4] Operation: 96/24=4 Exploring Operation: 96/2=48, Resulting Numbers: [24, 48] Generated Node #0,3,4: 48:[24, 48] Operation: 96/2=48 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[2, 4], Operations: ['99-75=24', '96/24=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 48:[24, 48], Operations: ['99-75=24', '96/2=48'] Exploring Operation: 24*48=1152, Resulting Numbers: [1152] 1152,48 unequal: No Solution Exploring Operation: 24+48=72, Resulting Numbers: [72] 72,48 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[2, 72], Operations: ['99-75=24', '96-24=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,48 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,48 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[24, 94], Operations: ['99-75=24', '96-2=94'] Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,48 unequal: No Solution Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[96, 48], Operations: ['99-75=24', '2*24=48'] Exploring Operation: 96*48=4608, Resulting Numbers: [4608] 4608,48 unequal: No Solution Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[99, 2, 75, 96], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [2, 96, 24] Generated Node #0,3: 48:[2, 96, 24] Operation: 99-75=24 Moving to Node #0,3 Current State: 48:[2, 96, 24], Operations: ['99-75=24'] Exploring Operation: 2*24=48, Resulting Numbers: [96, 48] Generated Node #0,3,0: 48:[96, 48] Operation: 2*24=48 Moving to Node #0,3,0 Current State: 48:[96, 48], Operations: ['99-75=24', '2*24=48'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 4, 19, 19, 35 ]
39
[ "4+19=23", "35-19=16", "23+16=39" ]
Current State: 39:[4, 19, 19, 35], Operations: [] Exploring Operation: 4+19=23, Resulting Numbers: [35, 23] Generated Node #2: [35, 23] from Operation: 4+19=23 Current State: 39:[35, 23], Operations: ['4+19=23'] Exploring Operation: 35-19=16, Resulting Numbers: [23, 16] Generated Node #3: [23, 16] from Operation: 35-19=16 Current State: 39:[23, 16], Operations: ['4+19=23', '35-19=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[4, 19, 19, 35], Operations: [] Exploring Operation: 19/19=1, Resulting Numbers: [4, 35, 1] Generated Node #0,0: 39:[4, 35, 1] Operation: 19/19=1 Exploring Operation: 19+19=38, Resulting Numbers: [4, 35, 38] Generated Node #0,1: 39:[4, 35, 38] Operation: 19+19=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[4, 35, 38], Operations: ['19+19=38'] Exploring Operation: 38-35=3, Resulting Numbers: [4, 3] Generated Node #0,1,0: 39:[4, 3] Operation: 38-35=3 Exploring Operation: 4+35=39, Resulting Numbers: [38, 39] Generated Node #0,1,1: 39:[38, 39] Operation: 4+35=39 Moving to Node #0,1,0 Current State: 39:[4, 3], Operations: ['19+19=38', '38-35=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[38, 39], Operations: ['19+19=38', '4+35=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[4, 35, 1], Operations: ['19/19=1'] Exploring Operation: 4+35=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 39:[1, 39] Operation: 4+35=39 Exploring Operation: 4-1=3, Resulting Numbers: [35, 3] Generated Node #0,0,1: 39:[35, 3] Operation: 4-1=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[1, 39], Operations: ['19/19=1', '4+35=39'] Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[4, 19, 19, 35], Operations: [] Exploring Operation: 19/19=1, Resulting Numbers: [4, 35, 1] Generated Node #0,0: 39:[4, 35, 1] Operation: 19/19=1 Moving to Node #0,0 Current State: 39:[4, 35, 1], Operations: ['19/19=1'] Exploring Operation: 4+35=39, Resulting Numbers: [1, 39] Generated Node #0,0,0: 39:[1, 39] Operation: 4+35=39 Moving to Node #0,0,0 Current State: 39:[1, 39], Operations: ['19/19=1', '4+35=39'] Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 36, 7, 40, 82 ]
54
[ "40-36=4", "7*4=28", "82-28=54" ]
Current State: 54:[36, 7, 40, 82], Operations: [] Exploring Operation: 40-36=4, Resulting Numbers: [7, 82, 4] Generated Node #2: [7, 82, 4] from Operation: 40-36=4 Current State: 54:[7, 82, 4], Operations: ['40-36=4'] Exploring Operation: 7*4=28, Resulting Numbers: [82, 28] Generated Node #3: [82, 28] from Operation: 7*4=28 Current State: 54:[82, 28], Operations: ['40-36=4', '7*4=28'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[36, 7, 40, 82], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [7, 40, 46] Generated Node #0,0: 54:[7, 40, 46] Operation: 82-36=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[7, 40, 46], Operations: ['82-36=46'] Exploring Operation: 46-40=6, Resulting Numbers: [7, 6] Generated Node #0,0,0: 54:[7, 6] Operation: 46-40=6 Moving to Node #0,0,0 Current State: 54:[7, 6], Operations: ['82-36=46', '46-40=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 99, 10, 5, 91 ]
28
[ "99+91=190", "190/5=38", "38-10=28" ]
Current State: 28:[99, 10, 5, 91], Operations: [] Exploring Operation: 99+91=190, Resulting Numbers: [10, 5, 190] Generated Node #2: [10, 5, 190] from Operation: 99+91=190 Current State: 28:[10, 5, 190], Operations: ['99+91=190'] Exploring Operation: 190/5=38, Resulting Numbers: [10, 38] Generated Node #3: [10, 38] from Operation: 190/5=38 Current State: 28:[10, 38], Operations: ['99+91=190', '190/5=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[99, 10, 5, 91], Operations: [] Exploring Operation: 91-10=81, Resulting Numbers: [99, 5, 81] Generated Node #0,0: 28:[99, 5, 81] Operation: 91-10=81 Exploring Operation: 99-10=89, Resulting Numbers: [5, 91, 89] Generated Node #0,1: 28:[5, 91, 89] Operation: 99-10=89 Exploring Operation: 99-91=8, Resulting Numbers: [10, 5, 8] Generated Node #0,2: 28:[10, 5, 8] Operation: 99-91=8 Moving to Node #0,2 Current State: 28:[10, 5, 8], Operations: ['99-91=8'] Exploring Operation: 10/5=2, Resulting Numbers: [8, 2] Generated Node #0,2,0: 28:[8, 2] Operation: 10/5=2 Exploring Operation: 10+5=15, Resulting Numbers: [8, 15] Generated Node #0,2,1: 28:[8, 15] Operation: 10+5=15 Exploring Operation: 10-8=2, Resulting Numbers: [5, 2] Generated Node #0,2,2: 28:[5, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[8, 2], Operations: ['99-91=8', '10/5=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,28 unequal: No Solution No 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: 28:[5, 2], Operations: ['99-91=8', '10-8=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,28 unequal: No Solution No 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: 28:[8, 15], Operations: ['99-91=8', '10+5=15'] Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,28 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,28 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: 28:[99, 5, 81], Operations: ['91-10=81'] Exploring Operation: 99-5=94, Resulting Numbers: [81, 94] Generated Node #0,0,0: 28:[81, 94] Operation: 99-5=94 Exploring Operation: 99-81=18, Resulting Numbers: [5, 18] Generated Node #0,0,1: 28:[5, 18] Operation: 99-81=18 Exploring Operation: 81-5=76, Resulting Numbers: [99, 76] Generated Node #0,0,2: 28:[99, 76] Operation: 81-5=76 Moving to Node #0,1 Current State: 28:[5, 91, 89], Operations: ['99-10=89'] Exploring Operation: 91-89=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 28:[5, 2] Operation: 91-89=2 Exploring Operation: 89-5=84, Resulting Numbers: [91, 84] Generated Node #0,1,1: 28:[91, 84] Operation: 89-5=84 Exploring Operation: 91-5=86, Resulting Numbers: [89, 86] Generated Node #0,1,2: 28:[89, 86] Operation: 91-5=86 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[5, 2], Operations: ['99-10=89', '91-89=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,28 unequal: No Solution No 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: 28:[91, 84], Operations: ['99-10=89', '89-5=84'] Exploring Operation: 91+84=175, Resulting Numbers: [175] 175,28 unequal: No Solution Exploring Operation: 91*84=7644, Resulting Numbers: [7644] 7644,28 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,28 unequal: No Solution No 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: 28:[89, 86], Operations: ['99-10=89', '91-5=86'] Exploring Operation: 89*86=7654, Resulting Numbers: [7654] 7654,28 unequal: No Solution Exploring Operation: 89+86=175, Resulting Numbers: [175] 175,28 unequal: No Solution Exploring Operation: 89-86=3, Resulting Numbers: [3] 3,28 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: 28:[5, 18], Operations: ['91-10=81', '99-81=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[81, 94], Operations: ['91-10=81', '99-5=94'] Exploring Operation: 94-81=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 81+94=175, Resulting Numbers: [175] 175,28 unequal: No Solution Exploring Operation: 81*94=7614, Resulting Numbers: [7614] 7614,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[99, 76], Operations: ['91-10=81', '81-5=76'] Exploring Operation: 99+76=175, Resulting Numbers: [175] 175,28 unequal: No Solution Exploring Operation: 99-76=23, Resulting Numbers: [23] 23,28 unequal: No Solution Exploring Operation: 99*76=7524, Resulting Numbers: [7524] 7524,28 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 44, 9, 89, 66 ]
83
[ "44*9=396", "396/66=6", "89-6=83" ]
Current State: 83:[44, 9, 89, 66], Operations: [] Exploring Operation: 44*9=396, Resulting Numbers: [89, 66, 396] Generated Node #2: [89, 66, 396] from Operation: 44*9=396 Current State: 83:[89, 66, 396], Operations: ['44*9=396'] Exploring Operation: 396/66=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 396/66=6 Current State: 83:[89, 6], Operations: ['44*9=396', '396/66=6'] Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[44, 9, 89, 66], Operations: [] Exploring Operation: 44+9=53, Resulting Numbers: [89, 66, 53] Generated Node #0,0: 83:[89, 66, 53] Operation: 44+9=53 Exploring Operation: 9+66=75, Resulting Numbers: [44, 89, 75] Generated Node #0,1: 83:[44, 89, 75] Operation: 9+66=75 Moving to Node #0,0 Current State: 83:[89, 66, 53], Operations: ['44+9=53'] Exploring Operation: 66+53=119, Resulting Numbers: [89, 119] Generated Node #0,0,0: 83:[89, 119] Operation: 66+53=119 Exploring Operation: 89-53=36, Resulting Numbers: [66, 36] Generated Node #0,0,1: 83:[66, 36] Operation: 89-53=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[89, 119], Operations: ['44+9=53', '66+53=119'] Exploring Operation: 119-89=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 89+119=208, Resulting Numbers: [208] 208,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[66, 36], Operations: ['44+9=53', '89-53=36'] Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,83 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 83:[44, 89, 75], Operations: ['9+66=75'] Exploring Operation: 89-44=45, Resulting Numbers: [75, 45] Generated Node #0,1,0: 83:[75, 45] Operation: 89-44=45 Exploring Operation: 44+75=119, Resulting Numbers: [89, 119] Generated Node #0,1,1: 83:[89, 119] Operation: 44+75=119 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[89, 119], Operations: ['9+66=75', '44+75=119'] Exploring Operation: 119-89=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 89+119=208, Resulting Numbers: [208] 208,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[75, 45], Operations: ['9+66=75', '89-44=45'] Exploring Operation: 75+45=120, Resulting Numbers: [120] 120,83 unequal: No Solution Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,83 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
[ 98, 64, 49, 14 ]
18
[ "98/49=2", "64/2=32", "32-14=18" ]
Current State: 18:[98, 64, 49, 14], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [64, 14, 2] Generated Node #2: [64, 14, 2] from Operation: 98/49=2 Current State: 18:[64, 14, 2], Operations: ['98/49=2'] Exploring Operation: 64/2=32, Resulting Numbers: [14, 32] Generated Node #3: [14, 32] from Operation: 64/2=32 Current State: 18:[14, 32], Operations: ['98/49=2', '64/2=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[98, 64, 49, 14], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [64, 14, 49] Generated Node #0,0: 18:[64, 14, 49] Operation: 98-49=49 Exploring Operation: 98-64=34, Resulting Numbers: [49, 14, 34] Generated Node #0,1: 18:[49, 14, 34] Operation: 98-64=34 Exploring Operation: 64-49=15, Resulting Numbers: [98, 14, 15] Generated Node #0,2: 18:[98, 14, 15] Operation: 64-49=15 Exploring Operation: 98/14=7, Resulting Numbers: [64, 49, 7] Generated Node #0,3: 18:[64, 49, 7] Operation: 98/14=7 Exploring Operation: 98/49=2, Resulting Numbers: [64, 14, 2] Generated Node #0,4: 18:[64, 14, 2] Operation: 98/49=2 Moving to Node #0,4 Current State: 18:[64, 14, 2], Operations: ['98/49=2'] Exploring Operation: 64-14=50, Resulting Numbers: [2, 50] Generated Node #0,4,0: 18:[2, 50] Operation: 64-14=50 Exploring Operation: 14/2=7, Resulting Numbers: [64, 7] Generated Node #0,4,1: 18:[64, 7] Operation: 14/2=7 Exploring Operation: 14+2=16, Resulting Numbers: [64, 16] Generated Node #0,4,2: 18:[64, 16] Operation: 14+2=16 Exploring Operation: 64/2=32, Resulting Numbers: [14, 32] Generated Node #0,4,3: 18:[14, 32] Operation: 64/2=32 Exploring Operation: 64-2=62, Resulting Numbers: [14, 62] Generated Node #0,4,4: 18:[14, 62] Operation: 64-2=62 Moving to Node #0,1 Current State: 18:[49, 14, 34], Operations: ['98-64=34'] Exploring Operation: 14+34=48, Resulting Numbers: [49, 48] Generated Node #0,1,0: 18:[49, 48] Operation: 14+34=48 Exploring Operation: 49-34=15, Resulting Numbers: [14, 15] Generated Node #0,1,1: 18:[14, 15] Operation: 49-34=15 Exploring Operation: 34-14=20, Resulting Numbers: [49, 20] Generated Node #0,1,2: 18:[49, 20] Operation: 34-14=20 Exploring Operation: 49-14=35, Resulting Numbers: [34, 35] Generated Node #0,1,3: 18:[34, 35] Operation: 49-14=35 Exploring Operation: 49+14=63, Resulting Numbers: [34, 63] Generated Node #0,1,4: 18:[34, 63] Operation: 49+14=63 Moving to Node #0,3 Current State: 18:[64, 49, 7], Operations: ['98/14=7'] Exploring Operation: 64+7=71, Resulting Numbers: [49, 71] Generated Node #0,3,0: 18:[49, 71] Operation: 64+7=71 Exploring Operation: 64-49=15, Resulting Numbers: [7, 15] Generated Node #0,3,1: 18:[7, 15] Operation: 64-49=15 Exploring Operation: 64-7=57, Resulting Numbers: [49, 57] Generated Node #0,3,2: 18:[49, 57] Operation: 64-7=57 Exploring Operation: 49/7=7, Resulting Numbers: [64, 7] Generated Node #0,3,3: 18:[64, 7] Operation: 49/7=7 Exploring Operation: 49-7=42, Resulting Numbers: [64, 42] Generated Node #0,3,4: 18:[64, 42] Operation: 49-7=42 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[7, 15], Operations: ['98/14=7', '64-49=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,18 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,18 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 #0,3,3 Current State: 18:[64, 7], Operations: ['98/14=7', '49/7=7'] Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,18 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 #0,3,2 Current State: 18:[49, 57], Operations: ['98/14=7', '64-7=57'] Exploring Operation: 49*57=2793, Resulting Numbers: [2793] 2793,18 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,18 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 #0,3,4 Current State: 18:[64, 42], Operations: ['98/14=7', '49-7=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,18 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,18 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 #0,3,0 Current State: 18:[49, 71], Operations: ['98/14=7', '64+7=71'] Exploring Operation: 49+71=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 49*71=3479, Resulting Numbers: [3479] 3479,18 unequal: No Solution Exploring Operation: 71-49=22, Resulting Numbers: [22] 22,18 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: 18:[64, 14, 49], Operations: ['98-49=49'] Exploring Operation: 64+14=78, Resulting Numbers: [49, 78] Generated Node #0,0,0: 18:[49, 78] Operation: 64+14=78 Exploring Operation: 64-14=50, Resulting Numbers: [49, 50] Generated Node #0,0,1: 18:[49, 50] Operation: 64-14=50 Exploring Operation: 49-14=35, Resulting Numbers: [64, 35] Generated Node #0,0,2: 18:[64, 35] Operation: 49-14=35 Exploring Operation: 14+49=63, Resulting Numbers: [64, 63] Generated Node #0,0,3: 18:[64, 63] Operation: 14+49=63 Exploring Operation: 64-49=15, Resulting Numbers: [14, 15] Generated Node #0,0,4: 18:[14, 15] Operation: 64-49=15 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 18:[14, 15], Operations: ['98-49=49', '64-49=15'] Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,18 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,18 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 #0,0,1 Current State: 18:[49, 50], Operations: ['98-49=49', '64-14=50'] Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,18 unequal: No Solution Exploring Operation: 49*50=2450, Resulting Numbers: [2450] 2450,18 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,18 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:[64, 35], Operations: ['98-49=49', '49-14=35'] Exploring Operation: 64+35=99, Resulting Numbers: [99] 99,18 unequal: No Solution Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 64*35=2240, Resulting Numbers: [2240] 2240,18 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:[49, 78], Operations: ['98-49=49', '64+14=78'] Exploring Operation: 49*78=3822, Resulting Numbers: [3822] 3822,18 unequal: No Solution Exploring Operation: 49+78=127, Resulting Numbers: [127] 127,18 unequal: No Solution Exploring Operation: 78-49=29, Resulting Numbers: [29] 29,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 18:[64, 63], Operations: ['98-49=49', '14+49=63'] Exploring Operation: 64*63=4032, Resulting Numbers: [4032] 4032,18 unequal: No Solution Exploring Operation: 64+63=127, Resulting Numbers: [127] 127,18 unequal: No Solution Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 18:[98, 14, 15], Operations: ['64-49=15'] Exploring Operation: 98-15=83, Resulting Numbers: [14, 83] Generated Node #0,2,0: 18:[14, 83] Operation: 98-15=83 Exploring Operation: 98-14=84, Resulting Numbers: [15, 84] Generated Node #0,2,1: 18:[15, 84] Operation: 98-14=84 Exploring Operation: 15-14=1, Resulting Numbers: [98, 1] Generated Node #0,2,2: 18:[98, 1] Operation: 15-14=1 Exploring Operation: 14+15=29, Resulting Numbers: [98, 29] Generated Node #0,2,3: 18:[98, 29] Operation: 14+15=29 Exploring Operation: 98/14=7, Resulting Numbers: [15, 7] Generated Node #0,2,4: 18:[15, 7] Operation: 98/14=7 Moving to Node #0,2,4 Current State: 18:[15, 7], Operations: ['64-49=15', '98/14=7'] Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,18 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[14, 15], Operations: ['98-64=34', '49-34=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,18 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[14, 32], Operations: ['98/49=2', '64/2=32'] Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[98, 64, 49, 14], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [64, 14, 2] Generated Node #0,4: 18:[64, 14, 2] Operation: 98/49=2 Moving to Node #0,4 Current State: 18:[64, 14, 2], Operations: ['98/49=2'] Exploring Operation: 64/2=32, Resulting Numbers: [14, 32] Generated Node #0,4,3: 18:[14, 32] Operation: 64/2=32 Moving to Node #0,4,3 Current State: 18:[14, 32], Operations: ['98/49=2', '64/2=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.9375
hs_5
sum_heuristic
[ 5, 12, 5, 46 ]
11
[ "12-5=7", "5*7=35", "46-35=11" ]
Current State: 11:[5, 12, 5, 46], Operations: [] Exploring Operation: 12-5=7, Resulting Numbers: [46, 7] Generated Node #2: [46, 7] from Operation: 12-5=7 Current State: 11:[46, 7], Operations: ['12-5=7'] Exploring Operation: 5*7=35, Resulting Numbers: [46, 35] Generated Node #3: [46, 35] from Operation: 5*7=35 Current State: 11:[46, 35], Operations: ['12-5=7', '5*7=35'] Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[5, 12, 5, 46], Operations: [] Exploring Operation: 46-12=34, Resulting Numbers: [5, 5, 34] Generated Node #0,0: 11:[5, 5, 34] Operation: 46-12=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[5, 5, 34], Operations: ['46-12=34'] Exploring Operation: 5+5=10, Resulting Numbers: [34, 10] Generated Node #0,0,0: 11:[34, 10] Operation: 5+5=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[34, 10], Operations: ['46-12=34', '5+5=10'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 10, 8, 98 ]
83
[ "70/10=7", "98-8=90", "90-7=83" ]
Current State: 83:[70, 10, 8, 98], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [8, 98, 7] Generated Node #2: [8, 98, 7] from Operation: 70/10=7 Current State: 83:[8, 98, 7], Operations: ['70/10=7'] Exploring Operation: 98-8=90, Resulting Numbers: [7, 90] Generated Node #3: [7, 90] from Operation: 98-8=90 Current State: 83:[7, 90], Operations: ['70/10=7', '98-8=90'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 10, 8, 98], Operations: [] Exploring Operation: 70+8=78, Resulting Numbers: [10, 98, 78] Generated Node #0,0: 83:[10, 98, 78] Operation: 70+8=78 Exploring Operation: 10*8=80, Resulting Numbers: [70, 98, 80] Generated Node #0,1: 83:[70, 98, 80] Operation: 10*8=80 Exploring Operation: 70+10=80, Resulting Numbers: [8, 98, 80] Generated Node #0,2: 83:[8, 98, 80] Operation: 70+10=80 Moving to Node #0,1 Current State: 83:[70, 98, 80], Operations: ['10*8=80'] Exploring Operation: 70+80=150, Resulting Numbers: [98, 150] Generated Node #0,1,0: 83:[98, 150] Operation: 70+80=150 Exploring Operation: 98-70=28, Resulting Numbers: [80, 28] Generated Node #0,1,1: 83:[80, 28] Operation: 98-70=28 Exploring Operation: 98-80=18, Resulting Numbers: [70, 18] Generated Node #0,1,2: 83:[70, 18] Operation: 98-80=18 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[80, 28], Operations: ['10*8=80', '98-70=28'] Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,83 unequal: No Solution Exploring Operation: 80*28=2240, Resulting Numbers: [2240] 2240,83 unequal: No Solution Exploring Operation: 80+28=108, Resulting Numbers: [108] 108,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[70, 18], Operations: ['10*8=80', '98-80=18'] Exploring Operation: 70*18=1260, Resulting Numbers: [1260] 1260,83 unequal: No Solution Exploring Operation: 70+18=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 70-18=52, Resulting Numbers: [52] 52,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[98, 150], Operations: ['10*8=80', '70+80=150'] Exploring Operation: 98*150=14700, Resulting Numbers: [14700] 14700,83 unequal: No Solution Exploring Operation: 98+150=248, Resulting Numbers: [248] 248,83 unequal: No Solution Exploring Operation: 150-98=52, Resulting Numbers: [52] 52,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 83:[10, 98, 78], Operations: ['70+8=78'] Exploring Operation: 98-10=88, Resulting Numbers: [78, 88] Generated Node #0,0,0: 83:[78, 88] Operation: 98-10=88 Exploring Operation: 10+78=88, Resulting Numbers: [98, 88] Generated Node #0,0,1: 83:[98, 88] Operation: 10+78=88 Exploring Operation: 10+98=108, Resulting Numbers: [78, 108] Generated Node #0,0,2: 83:[78, 108] Operation: 10+98=108 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[78, 88], Operations: ['70+8=78', '98-10=88'] Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,83 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,83 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[98, 88], Operations: ['70+8=78', '10+78=88'] Exploring Operation: 98*88=8624, Resulting Numbers: [8624] 8624,83 unequal: No Solution Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 98+88=186, Resulting Numbers: [186] 186,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[78, 108], Operations: ['70+8=78', '10+98=108'] Exploring Operation: 78*108=8424, Resulting Numbers: [8424] 8424,83 unequal: No Solution Exploring Operation: 108-78=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 78+108=186, Resulting Numbers: [186] 186,83 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: 83:[8, 98, 80], Operations: ['70+10=80'] Exploring Operation: 8+98=106, Resulting Numbers: [80, 106] Generated Node #0,2,0: 83:[80, 106] Operation: 8+98=106 Exploring Operation: 8+80=88, Resulting Numbers: [98, 88] Generated Node #0,2,1: 83:[98, 88] Operation: 8+80=88 Exploring Operation: 98-8=90, Resulting Numbers: [80, 90] Generated Node #0,2,2: 83:[80, 90] Operation: 98-8=90 Moving to Node #0,2,2 Current State: 83:[80, 90], Operations: ['70+10=80', '98-8=90'] Exploring Operation: 80+90=170, Resulting Numbers: [170] 170,83 unequal: No Solution Exploring Operation: 90-80=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 80*90=7200, Resulting Numbers: [7200] 7200,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[98, 88], Operations: ['70+10=80', '8+80=88'] Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 98+88=186, Resulting Numbers: [186] 186,83 unequal: No Solution Exploring Operation: 98*88=8624, Resulting Numbers: [8624] 8624,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[80, 106], Operations: ['70+10=80', '8+98=106'] Exploring Operation: 106-80=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 80*106=8480, Resulting Numbers: [8480] 8480,83 unequal: No Solution Exploring Operation: 80+106=186, Resulting Numbers: [186] 186,83 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 86, 36, 68, 26 ]
80
[ "86+36=122", "68-26=42", "122-42=80" ]
Current State: 80:[86, 36, 68, 26], Operations: [] Exploring Operation: 86+36=122, Resulting Numbers: [68, 26, 122] Generated Node #2: [68, 26, 122] from Operation: 86+36=122 Current State: 80:[68, 26, 122], Operations: ['86+36=122'] Exploring Operation: 68-26=42, Resulting Numbers: [122, 42] Generated Node #3: [122, 42] from Operation: 68-26=42 Current State: 80:[122, 42], Operations: ['86+36=122', '68-26=42'] Exploring Operation: 122-42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[86, 36, 68, 26], Operations: [] Exploring Operation: 68-26=42, Resulting Numbers: [86, 36, 42] Generated Node #0,0: 80:[86, 36, 42] Operation: 68-26=42 Exploring Operation: 86-68=18, Resulting Numbers: [36, 26, 18] Generated Node #0,1: 80:[36, 26, 18] Operation: 86-68=18 Moving to Node #0,0 Current State: 80:[86, 36, 42], Operations: ['68-26=42'] Exploring Operation: 86-42=44, Resulting Numbers: [36, 44] Generated Node #0,0,0: 80:[36, 44] Operation: 86-42=44 Exploring Operation: 42-36=6, Resulting Numbers: [86, 6] Generated Node #0,0,1: 80:[86, 6] Operation: 42-36=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[86, 6], Operations: ['68-26=42', '42-36=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[86, 36, 68, 26], Operations: [] Exploring Operation: 68-26=42, Resulting Numbers: [86, 36, 42] Generated Node #0,0: 80:[86, 36, 42] Operation: 68-26=42 Moving to Node #0,0 Current State: 80:[86, 36, 42], Operations: ['68-26=42'] Exploring Operation: 42-36=6, Resulting Numbers: [86, 6] Generated Node #0,0,1: 80:[86, 6] Operation: 42-36=6 Moving to Node #0,0,1 Current State: 80:[86, 6], Operations: ['68-26=42', '42-36=6'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 44, 96, 8, 15 ]
47
[ "44+15=59", "96/8=12", "59-12=47" ]
Current State: 47:[44, 96, 8, 15], Operations: [] Exploring Operation: 44+15=59, Resulting Numbers: [96, 8, 59] Generated Node #2: [96, 8, 59] from Operation: 44+15=59 Current State: 47:[96, 8, 59], Operations: ['44+15=59'] Exploring Operation: 96/8=12, Resulting Numbers: [59, 12] Generated Node #3: [59, 12] from Operation: 96/8=12 Current State: 47:[59, 12], Operations: ['44+15=59', '96/8=12'] Exploring Operation: 59-12=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[44, 96, 8, 15], Operations: [] Exploring Operation: 96-8=88, Resulting Numbers: [44, 15, 88] Generated Node #0,0: 47:[44, 15, 88] Operation: 96-8=88 Exploring Operation: 96/8=12, Resulting Numbers: [44, 15, 12] Generated Node #0,1: 47:[44, 15, 12] Operation: 96/8=12 Exploring Operation: 96-44=52, Resulting Numbers: [8, 15, 52] Generated Node #0,2: 47:[8, 15, 52] Operation: 96-44=52 Exploring Operation: 8+15=23, Resulting Numbers: [44, 96, 23] Generated Node #0,3: 47:[44, 96, 23] Operation: 8+15=23 Exploring Operation: 96-15=81, Resulting Numbers: [44, 8, 81] Generated Node #0,4: 47:[44, 8, 81] Operation: 96-15=81 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[44, 15, 12], Operations: ['96/8=12'] Exploring Operation: 44+12=56, Resulting Numbers: [15, 56] Generated Node #0,1,0: 47:[15, 56] Operation: 44+12=56 Exploring Operation: 44-12=32, Resulting Numbers: [15, 32] Generated Node #0,1,1: 47:[15, 32] Operation: 44-12=32 Exploring Operation: 15+12=27, Resulting Numbers: [44, 27] Generated Node #0,1,2: 47:[44, 27] Operation: 15+12=27 Exploring Operation: 15-12=3, Resulting Numbers: [44, 3] Generated Node #0,1,3: 47:[44, 3] Operation: 15-12=3 Exploring Operation: 44+15=59, Resulting Numbers: [12, 59] Generated Node #0,1,4: 47:[12, 59] Operation: 44+15=59 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[44, 27], Operations: ['96/8=12', '15+12=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,47 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,47 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[15, 56], Operations: ['96/8=12', '44+12=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,47 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[15, 32], Operations: ['96/8=12', '44-12=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[44, 96, 8, 15], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [44, 15, 12] Generated Node #0,1: 47:[44, 15, 12] Operation: 96/8=12 Moving to Node #0,1 Current State: 47:[44, 15, 12], Operations: ['96/8=12'] Exploring Operation: 44-12=32, Resulting Numbers: [15, 32] Generated Node #0,1,1: 47:[15, 32] Operation: 44-12=32 Moving to Node #0,1,1 Current State: 47:[15, 32], Operations: ['96/8=12', '44-12=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 55, 51, 2, 88 ]
44
[ "55-51=4", "2*88=176", "176/4=44" ]
Current State: 44:[55, 51, 2, 88], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [2, 88, 4] Generated Node #2: [2, 88, 4] from Operation: 55-51=4 Current State: 44:[2, 88, 4], Operations: ['55-51=4'] Exploring Operation: 2*88=176, Resulting Numbers: [4, 176] Generated Node #3: [4, 176] from Operation: 2*88=176 Current State: 44:[4, 176], Operations: ['55-51=4', '2*88=176'] Exploring Operation: 176/4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[55, 51, 2, 88], Operations: [] Exploring Operation: 88-51=37, Resulting Numbers: [55, 2, 37] Generated Node #0,0: 44:[55, 2, 37] Operation: 88-51=37 Exploring Operation: 88-55=33, Resulting Numbers: [51, 2, 33] Generated Node #0,1: 44:[51, 2, 33] Operation: 88-55=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[55, 2, 37], Operations: ['88-51=37'] Exploring Operation: 55-2=53, Resulting Numbers: [37, 53] Generated Node #0,0,0: 44:[37, 53] Operation: 55-2=53 Exploring Operation: 55-37=18, Resulting Numbers: [2, 18] Generated Node #0,0,1: 44:[2, 18] Operation: 55-37=18 Moving to Node #0,0,1 Current State: 44:[2, 18], Operations: ['88-51=37', '55-37=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[37, 53], Operations: ['88-51=37', '55-2=53'] Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,44 unequal: No Solution No 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: 44:[51, 2, 33], Operations: ['88-55=33'] Exploring Operation: 51-33=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 44:[2, 18] Operation: 51-33=18 Exploring Operation: 51-2=49, Resulting Numbers: [33, 49] Generated Node #0,1,1: 44:[33, 49] Operation: 51-2=49 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[2, 18], Operations: ['88-55=33', '51-33=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,44 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 #0,1,1 Current State: 44:[33, 49], Operations: ['88-55=33', '51-2=49'] Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 33+49=82, Resulting Numbers: [82] 82,44 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
[ 61, 82, 15, 2 ]
64
[ "61+82=143", "143-15=128", "128/2=64" ]
Current State: 64:[61, 82, 15, 2], Operations: [] Exploring Operation: 61+82=143, Resulting Numbers: [15, 2, 143] Generated Node #2: [15, 2, 143] from Operation: 61+82=143 Current State: 64:[15, 2, 143], Operations: ['61+82=143'] Exploring Operation: 143-15=128, Resulting Numbers: [2, 128] Generated Node #3: [2, 128] from Operation: 143-15=128 Current State: 64:[2, 128], Operations: ['61+82=143', '143-15=128'] Exploring Operation: 128/2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[61, 82, 15, 2], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [61, 2, 67] Generated Node #0,0: 64:[61, 2, 67] Operation: 82-15=67 Exploring Operation: 82-61=21, Resulting Numbers: [15, 2, 21] Generated Node #0,1: 64:[15, 2, 21] Operation: 82-61=21 Exploring Operation: 82/2=41, Resulting Numbers: [61, 15, 41] Generated Node #0,2: 64:[61, 15, 41] Operation: 82/2=41 Moving to Node #0,0 Current State: 64:[61, 2, 67], Operations: ['82-15=67'] Exploring Operation: 61+2=63, Resulting Numbers: [67, 63] Generated Node #0,0,0: 64:[67, 63] Operation: 61+2=63 Exploring Operation: 67-61=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 64:[2, 6] Operation: 67-61=6 Exploring Operation: 67-2=65, Resulting Numbers: [61, 65] Generated Node #0,0,2: 64:[61, 65] Operation: 67-2=65 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[2, 6], Operations: ['82-15=67', '67-61=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,64 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 #0,0,0 Current State: 64:[67, 63], Operations: ['82-15=67', '61+2=63'] Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,64 unequal: No Solution Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,64 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,64 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 #0,0,2 Current State: 64:[61, 65], Operations: ['82-15=67', '67-2=65'] Exploring Operation: 61+65=126, Resulting Numbers: [126] 126,64 unequal: No Solution Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 61*65=3965, Resulting Numbers: [3965] 3965,64 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: 64:[15, 2, 21], Operations: ['82-61=21'] Exploring Operation: 15+21=36, Resulting Numbers: [2, 36] Generated Node #0,1,0: 64:[2, 36] Operation: 15+21=36 Exploring Operation: 21-2=19, Resulting Numbers: [15, 19] Generated Node #0,1,1: 64:[15, 19] Operation: 21-2=19 Exploring Operation: 21-15=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 64:[2, 6] Operation: 21-15=6 Moving to Node #0,2 Current State: 64:[61, 15, 41], Operations: ['82/2=41'] Exploring Operation: 41-15=26, Resulting Numbers: [61, 26] Generated Node #0,2,0: 64:[61, 26] Operation: 41-15=26 Exploring Operation: 61-41=20, Resulting Numbers: [15, 20] Generated Node #0,2,1: 64:[15, 20] Operation: 61-41=20 Exploring Operation: 15+41=56, Resulting Numbers: [61, 56] Generated Node #0,2,2: 64:[61, 56] Operation: 15+41=56 Moving to Node #0,1,2 Current State: 64:[2, 6], Operations: ['82-61=21', '21-15=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[15, 19], Operations: ['82-61=21', '21-2=19'] Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,64 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,64 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[2, 36], Operations: ['82-61=21', '15+21=36'] 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: 36-2=34, Resulting Numbers: [34] 34,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[15, 20], Operations: ['82/2=41', '61-41=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,64 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[61, 26], Operations: ['82/2=41', '41-15=26'] Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 61*26=1586, Resulting Numbers: [1586] 1586,64 unequal: No Solution Exploring Operation: 61+26=87, Resulting Numbers: [87] 87,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[61, 56], Operations: ['82/2=41', '15+41=56'] Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,64 unequal: No Solution Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,64 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 9, 16, 39, 35 ]
67
[ "16-9=7", "39+35=74", "74-7=67" ]
Current State: 67:[9, 16, 39, 35], Operations: [] Exploring Operation: 16-9=7, Resulting Numbers: [39, 35, 7] Generated Node #2: [39, 35, 7] from Operation: 16-9=7 Current State: 67:[39, 35, 7], Operations: ['16-9=7'] Exploring Operation: 39+35=74, Resulting Numbers: [7, 74] Generated Node #3: [7, 74] from Operation: 39+35=74 Current State: 67:[7, 74], Operations: ['16-9=7', '39+35=74'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[9, 16, 39, 35], Operations: [] Exploring Operation: 9+16=25, Resulting Numbers: [39, 35, 25] Generated Node #0,0: 67:[39, 35, 25] Operation: 9+16=25 Exploring Operation: 9+35=44, Resulting Numbers: [16, 39, 44] Generated Node #0,1: 67:[16, 39, 44] Operation: 9+35=44 Exploring Operation: 9+39=48, Resulting Numbers: [16, 35, 48] Generated Node #0,2: 67:[16, 35, 48] Operation: 9+39=48 Moving to Node #0,0 Current State: 67:[39, 35, 25], Operations: ['9+16=25'] Exploring Operation: 39+35=74, Resulting Numbers: [25, 74] Generated Node #0,0,0: 67:[25, 74] Operation: 39+35=74 Exploring Operation: 39+25=64, Resulting Numbers: [35, 64] Generated Node #0,0,1: 67:[35, 64] Operation: 39+25=64 Exploring Operation: 35+25=60, Resulting Numbers: [39, 60] Generated Node #0,0,2: 67:[39, 60] Operation: 35+25=60 Moving to Node #0,1 Current State: 67:[16, 39, 44], Operations: ['9+35=44'] Exploring Operation: 39-16=23, Resulting Numbers: [44, 23] Generated Node #0,1,0: 67:[44, 23] Operation: 39-16=23 Exploring Operation: 16+39=55, Resulting Numbers: [44, 55] Generated Node #0,1,1: 67:[44, 55] Operation: 16+39=55 Exploring Operation: 16+44=60, Resulting Numbers: [39, 60] Generated Node #0,1,2: 67:[39, 60] Operation: 16+44=60 Moving to Node #0,2 Current State: 67:[16, 35, 48], Operations: ['9+39=48'] Exploring Operation: 16+35=51, Resulting Numbers: [48, 51] Generated Node #0,2,0: 67:[48, 51] Operation: 16+35=51 Exploring Operation: 16+48=64, Resulting Numbers: [35, 64] Generated Node #0,2,1: 67:[35, 64] Operation: 16+48=64 Exploring Operation: 35-16=19, Resulting Numbers: [48, 19] Generated Node #0,2,2: 67:[48, 19] Operation: 35-16=19 Moving to Node #0,0,1 Current State: 67:[35, 64], Operations: ['9+16=25', '39+25=64'] Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 35*64=2240, Resulting Numbers: [2240] 2240,67 unequal: No Solution Exploring Operation: 35+64=99, Resulting Numbers: [99] 99,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[48, 51], Operations: ['9+39=48', '16+35=51'] Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,67 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[39, 60], Operations: ['9+16=25', '35+25=60'] Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 39*60=2340, Resulting Numbers: [2340] 2340,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[39, 60], Operations: ['9+35=44', '16+44=60'] Exploring Operation: 39*60=2340, Resulting Numbers: [2340] 2340,67 unequal: No Solution Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,67 unequal: No Solution Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[35, 64], Operations: ['9+39=48', '16+48=64'] Exploring Operation: 35*64=2240, Resulting Numbers: [2240] 2240,67 unequal: No Solution Exploring Operation: 35+64=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[44, 55], Operations: ['9+35=44', '16+39=55'] Exploring Operation: 44*55=2420, Resulting Numbers: [2420] 2420,67 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[25, 74], Operations: ['9+16=25', '39+35=74'] Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,67 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[44, 23], Operations: ['9+35=44', '39-16=23'] Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,67 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[9, 16, 39, 35], Operations: [] Exploring Operation: 9+35=44, Resulting Numbers: [16, 39, 44] Generated Node #0,1: 67:[16, 39, 44] Operation: 9+35=44 Moving to Node #0,1 Current State: 67:[16, 39, 44], Operations: ['9+35=44'] Exploring Operation: 39-16=23, Resulting Numbers: [44, 23] Generated Node #0,1,0: 67:[44, 23] Operation: 39-16=23 Moving to Node #0,1,0 Current State: 67:[44, 23], Operations: ['9+35=44', '39-16=23'] Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.966146
hs_3
mult_heuristic
[ 97, 13, 85, 58 ]
82
[ "97-58=39", "39/13=3", "85-3=82" ]
Current State: 82:[97, 13, 85, 58], Operations: [] Exploring Operation: 97-58=39, Resulting Numbers: [13, 85, 39] Generated Node #2: [13, 85, 39] from Operation: 97-58=39 Current State: 82:[13, 85, 39], Operations: ['97-58=39'] Exploring Operation: 39/13=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 39/13=3 Current State: 82:[85, 3], Operations: ['97-58=39', '39/13=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[97, 13, 85, 58], Operations: [] Exploring Operation: 97-58=39, Resulting Numbers: [13, 85, 39] Generated Node #0,0: 82:[13, 85, 39] Operation: 97-58=39 Exploring Operation: 97-13=84, Resulting Numbers: [85, 58, 84] Generated Node #0,1: 82:[85, 58, 84] Operation: 97-13=84 Moving to Node #0,0 Current State: 82:[13, 85, 39], Operations: ['97-58=39'] Exploring Operation: 39/13=3, Resulting Numbers: [85, 3] Generated Node #0,0,0: 82:[85, 3] Operation: 39/13=3 Exploring Operation: 85-13=72, Resulting Numbers: [39, 72] Generated Node #0,0,1: 82:[39, 72] Operation: 85-13=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[85, 3], Operations: ['97-58=39', '39/13=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[97, 13, 85, 58], Operations: [] Exploring Operation: 97-58=39, Resulting Numbers: [13, 85, 39] Generated Node #0,0: 82:[13, 85, 39] Operation: 97-58=39 Moving to Node #0,0 Current State: 82:[13, 85, 39], Operations: ['97-58=39'] Exploring Operation: 39/13=3, Resulting Numbers: [85, 3] Generated Node #0,0,0: 82:[85, 3] Operation: 39/13=3 Moving to Node #0,0,0 Current State: 82:[85, 3], Operations: ['97-58=39', '39/13=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 10, 66, 22, 60 ]
82
[ "60/10=6", "66+22=88", "88-6=82" ]
Current State: 82:[10, 66, 22, 60], Operations: [] Exploring Operation: 60/10=6, Resulting Numbers: [66, 22, 6] Generated Node #2: [66, 22, 6] from Operation: 60/10=6 Current State: 82:[66, 22, 6], Operations: ['60/10=6'] Exploring Operation: 66+22=88, Resulting Numbers: [6, 88] Generated Node #3: [6, 88] from Operation: 66+22=88 Current State: 82:[6, 88], Operations: ['60/10=6', '66+22=88'] Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[10, 66, 22, 60], Operations: [] Exploring Operation: 66-22=44, Resulting Numbers: [10, 60, 44] Generated Node #0,0: 82:[10, 60, 44] Operation: 66-22=44 Exploring Operation: 60-22=38, Resulting Numbers: [10, 66, 38] Generated Node #0,1: 82:[10, 66, 38] Operation: 60-22=38 Exploring Operation: 22+60=82, Resulting Numbers: [10, 66, 82] Generated Node #0,2: 82:[10, 66, 82] Operation: 22+60=82 Exploring Operation: 66/22=3, Resulting Numbers: [10, 60, 3] Generated Node #0,3: 82:[10, 60, 3] Operation: 66/22=3 Moving to Node #0,2 Current State: 82:[10, 66, 82], Operations: ['22+60=82'] Exploring Operation: 10+82=92, Resulting Numbers: [66, 92] Generated Node #0,2,0: 82:[66, 92] Operation: 10+82=92 Exploring Operation: 66-10=56, Resulting Numbers: [82, 56] Generated Node #0,2,1: 82:[82, 56] Operation: 66-10=56 Exploring Operation: 82-66=16, Resulting Numbers: [10, 16] Generated Node #0,2,2: 82:[10, 16] Operation: 82-66=16 Exploring Operation: 10+66=76, Resulting Numbers: [82, 76] Generated Node #0,2,3: 82:[82, 76] Operation: 10+66=76 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[82, 76], Operations: ['22+60=82', '10+66=76'] Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 82*76=6232, Resulting Numbers: [6232] 6232,82 unequal: No Solution Exploring Operation: 82+76=158, Resulting Numbers: [158] 158,82 unequal: No Solution No 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: 82:[82, 56], Operations: ['22+60=82', '66-10=56'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,82 unequal: No Solution Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,82 unequal: No Solution No 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: 82:[10, 16], Operations: ['22+60=82', '82-66=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,82 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,82 unequal: No Solution No 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: 82:[66, 92], Operations: ['22+60=82', '10+82=92'] Exploring Operation: 66*92=6072, Resulting Numbers: [6072] 6072,82 unequal: No Solution Exploring Operation: 92-66=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 66+92=158, Resulting Numbers: [158] 158,82 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: 82:[10, 66, 38], Operations: ['60-22=38'] Exploring Operation: 66-10=56, Resulting Numbers: [38, 56] Generated Node #0,1,0: 82:[38, 56] Operation: 66-10=56 Exploring Operation: 10+38=48, Resulting Numbers: [66, 48] Generated Node #0,1,1: 82:[66, 48] Operation: 10+38=48 Exploring Operation: 10+66=76, Resulting Numbers: [38, 76] Generated Node #0,1,2: 82:[38, 76] Operation: 10+66=76 Exploring Operation: 66-38=28, Resulting Numbers: [10, 28] Generated Node #0,1,3: 82:[10, 28] Operation: 66-38=28 Moving to Node #0,3 Current State: 82:[10, 60, 3], Operations: ['66/22=3'] Exploring Operation: 10-3=7, Resulting Numbers: [60, 7] Generated Node #0,3,0: 82:[60, 7] Operation: 10-3=7 Exploring Operation: 60/10=6, Resulting Numbers: [3, 6] Generated Node #0,3,1: 82:[3, 6] Operation: 60/10=6 Exploring Operation: 60-10=50, Resulting Numbers: [3, 50] Generated Node #0,3,2: 82:[3, 50] Operation: 60-10=50 Exploring Operation: 10+60=70, Resulting Numbers: [3, 70] Generated Node #0,3,3: 82:[3, 70] Operation: 10+60=70 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 82:[3, 6], Operations: ['66/22=3', '60/10=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,82 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,82 unequal: No Solution No 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: 82:[3, 50], Operations: ['66/22=3', '60-10=50'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,82 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,82 unequal: No Solution No 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: 82:[3, 70], Operations: ['66/22=3', '10+60=70'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,82 unequal: No Solution Exploring Operation: 3*70=210, Resulting Numbers: [210] 210,82 unequal: No Solution Exploring Operation: 3+70=73, Resulting Numbers: [73] 73,82 unequal: No Solution No 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: 82:[60, 7], Operations: ['66/22=3', '10-3=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,82 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,82 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,82 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: 82:[10, 60, 44], Operations: ['66-22=44'] Exploring Operation: 10+60=70, Resulting Numbers: [44, 70] Generated Node #0,0,0: 82:[44, 70] Operation: 10+60=70 Exploring Operation: 60/10=6, Resulting Numbers: [44, 6] Generated Node #0,0,1: 82:[44, 6] Operation: 60/10=6 Exploring Operation: 60-44=16, Resulting Numbers: [10, 16] Generated Node #0,0,2: 82:[10, 16] Operation: 60-44=16 Exploring Operation: 60-10=50, Resulting Numbers: [44, 50] Generated Node #0,0,3: 82:[44, 50] Operation: 60-10=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[44, 6], Operations: ['66-22=44', '60/10=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,82 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,82 unequal: No Solution No 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: 82:[44, 50], Operations: ['66-22=44', '60-10=50'] Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,82 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,82 unequal: No Solution No 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: 82:[44, 70], Operations: ['66-22=44', '10+60=70'] Exploring Operation: 44+70=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 44*70=3080, Resulting Numbers: [3080] 3080,82 unequal: No Solution No 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: 82:[10, 16], Operations: ['66-22=44', '60-44=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 82:[38, 76], Operations: ['60-22=38', '10+66=76'] Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,82 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[38, 56], Operations: ['60-22=38', '66-10=56'] Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[10, 28], Operations: ['60-22=38', '66-38=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[66, 48], Operations: ['60-22=38', '10+38=48'] Exploring Operation: 66*48=3168, Resulting Numbers: [3168] 3168,82 unequal: No Solution Exploring Operation: 66+48=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,82 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 9, 32, 36, 94 ]
81
[ "32-9=23", "94-36=58", "23+58=81" ]
Current State: 81:[9, 32, 36, 94], Operations: [] Exploring Operation: 32-9=23, Resulting Numbers: [36, 94, 23] Generated Node #2: [36, 94, 23] from Operation: 32-9=23 Current State: 81:[36, 94, 23], Operations: ['32-9=23'] Exploring Operation: 94-36=58, Resulting Numbers: [23, 58] Generated Node #3: [23, 58] from Operation: 94-36=58 Current State: 81:[23, 58], Operations: ['32-9=23', '94-36=58'] Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[9, 32, 36, 94], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [9, 94, 4] Generated Node #0,0: 81:[9, 94, 4] Operation: 36-32=4 Moving to Node #0,0 Current State: 81:[9, 94, 4], Operations: ['36-32=4'] Exploring Operation: 94-9=85, Resulting Numbers: [4, 85] Generated Node #0,0,0: 81:[4, 85] Operation: 94-9=85 Moving to Node #0,0,0 Current State: 81:[4, 85], Operations: ['36-32=4', '94-9=85'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[9, 32, 36, 94], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [9, 94, 4] Generated Node #0,0: 81:[9, 94, 4] Operation: 36-32=4 Moving to Node #0,0 Current State: 81:[9, 94, 4], Operations: ['36-32=4'] Exploring Operation: 94-9=85, Resulting Numbers: [4, 85] Generated Node #0,0,0: 81:[4, 85] Operation: 94-9=85 Moving to Node #0,0,0 Current State: 81:[4, 85], Operations: ['36-32=4', '94-9=85'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 38, 96, 68, 37 ]
89
[ "96-38=58", "68-37=31", "58+31=89" ]
Current State: 89:[38, 96, 68, 37], Operations: [] Exploring Operation: 96-38=58, Resulting Numbers: [68, 37, 58] Generated Node #2: [68, 37, 58] from Operation: 96-38=58 Current State: 89:[68, 37, 58], Operations: ['96-38=58'] Exploring Operation: 68-37=31, Resulting Numbers: [58, 31] Generated Node #3: [58, 31] from Operation: 68-37=31 Current State: 89:[58, 31], Operations: ['96-38=58', '68-37=31'] Exploring Operation: 58+31=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[38, 96, 68, 37], Operations: [] Exploring Operation: 68+37=105, Resulting Numbers: [38, 96, 105] Generated Node #0,0: 89:[38, 96, 105] Operation: 68+37=105 Exploring Operation: 38+37=75, Resulting Numbers: [96, 68, 75] Generated Node #0,1: 89:[96, 68, 75] Operation: 38+37=75 Exploring Operation: 96-37=59, Resulting Numbers: [38, 68, 59] Generated Node #0,2: 89:[38, 68, 59] Operation: 96-37=59 Exploring Operation: 38+68=106, Resulting Numbers: [96, 37, 106] Generated Node #0,3: 89:[96, 37, 106] Operation: 38+68=106 Moving to Node #0,1 Current State: 89:[96, 68, 75], Operations: ['38+37=75'] Exploring Operation: 68+75=143, Resulting Numbers: [96, 143] Generated Node #0,1,0: 89:[96, 143] Operation: 68+75=143 Exploring Operation: 96-75=21, Resulting Numbers: [68, 21] Generated Node #0,1,1: 89:[68, 21] Operation: 96-75=21 Exploring Operation: 96+68=164, Resulting Numbers: [75, 164] Generated Node #0,1,2: 89:[75, 164] Operation: 96+68=164 Exploring Operation: 96-68=28, Resulting Numbers: [75, 28] Generated Node #0,1,3: 89:[75, 28] Operation: 96-68=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[96, 143], Operations: ['38+37=75', '68+75=143'] Exploring Operation: 96*143=13728, Resulting Numbers: [13728] 13728,89 unequal: No Solution Exploring Operation: 96+143=239, Resulting Numbers: [239] 239,89 unequal: No Solution Exploring Operation: 143-96=47, Resulting Numbers: [47] 47,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[75, 28], Operations: ['38+37=75', '96-68=28'] Exploring Operation: 75+28=103, Resulting Numbers: [103] 103,89 unequal: No Solution Exploring Operation: 75*28=2100, Resulting Numbers: [2100] 2100,89 unequal: No Solution Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[68, 21], Operations: ['38+37=75', '96-75=21'] Exploring Operation: 68*21=1428, Resulting Numbers: [1428] 1428,89 unequal: No Solution Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[38, 96, 68, 37], Operations: [] Exploring Operation: 38+37=75, Resulting Numbers: [96, 68, 75] Generated Node #0,1: 89:[96, 68, 75] Operation: 38+37=75 Moving to Node #0,1 Current State: 89:[96, 68, 75], Operations: ['38+37=75'] Exploring Operation: 96-75=21, Resulting Numbers: [68, 21] Generated Node #0,1,1: 89:[68, 21] Operation: 96-75=21 Moving to Node #0,1,1 Current State: 89:[68, 21], Operations: ['38+37=75', '96-75=21'] Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 72, 62, 53, 60 ]
38
[ "72-53=19", "62-60=2", "19*2=38" ]
Current State: 38:[72, 62, 53, 60], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [62, 60, 19] Generated Node #2: [62, 60, 19] from Operation: 72-53=19 Current State: 38:[62, 60, 19], Operations: ['72-53=19'] Exploring Operation: 62-60=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 62-60=2 Current State: 38:[19, 2], Operations: ['72-53=19', '62-60=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[72, 62, 53, 60], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [53, 60, 10] Generated Node #0,0: 38:[53, 60, 10] Operation: 72-62=10 Exploring Operation: 72-53=19, Resulting Numbers: [62, 60, 19] Generated Node #0,1: 38:[62, 60, 19] Operation: 72-53=19 Exploring Operation: 72-60=12, Resulting Numbers: [62, 53, 12] Generated Node #0,2: 38:[62, 53, 12] Operation: 72-60=12 Exploring Operation: 62-60=2, Resulting Numbers: [72, 53, 2] Generated Node #0,3: 38:[72, 53, 2] Operation: 62-60=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[53, 60, 10], Operations: ['72-62=10'] Exploring Operation: 60-53=7, Resulting Numbers: [10, 7] Generated Node #0,0,0: 38:[10, 7] Operation: 60-53=7 Exploring Operation: 60-10=50, Resulting Numbers: [53, 50] Generated Node #0,0,1: 38:[53, 50] Operation: 60-10=50 Exploring Operation: 60/10=6, Resulting Numbers: [53, 6] Generated Node #0,0,2: 38:[53, 6] Operation: 60/10=6 Exploring Operation: 53-10=43, Resulting Numbers: [60, 43] Generated Node #0,0,3: 38:[60, 43] Operation: 53-10=43 Moving to Node #0,0,0 Current State: 38:[10, 7], Operations: ['72-62=10', '60-53=7'] Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,38 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[53, 6], Operations: ['72-62=10', '60/10=6'] Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,38 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,38 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[60, 43], Operations: ['72-62=10', '53-10=43'] Exploring Operation: 60*43=2580, Resulting Numbers: [2580] 2580,38 unequal: No Solution Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 60+43=103, Resulting Numbers: [103] 103,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[53, 50], Operations: ['72-62=10', '60-10=50'] Exploring Operation: 53*50=2650, Resulting Numbers: [2650] 2650,38 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 53+50=103, Resulting Numbers: [103] 103,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[62, 60, 19], Operations: ['72-53=19'] Exploring Operation: 62-60=2, Resulting Numbers: [19, 2] Generated Node #0,1,0: 38:[19, 2] Operation: 62-60=2 Exploring Operation: 62+19=81, Resulting Numbers: [60, 81] Generated Node #0,1,1: 38:[60, 81] Operation: 62+19=81 Exploring Operation: 60-19=41, Resulting Numbers: [62, 41] Generated Node #0,1,2: 38:[62, 41] Operation: 60-19=41 Exploring Operation: 62-19=43, Resulting Numbers: [60, 43] Generated Node #0,1,3: 38:[60, 43] Operation: 62-19=43 Moving to Node #0,1,0 Current State: 38:[19, 2], Operations: ['72-53=19', '62-60=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[72, 62, 53, 60], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [62, 60, 19] Generated Node #0,1: 38:[62, 60, 19] Operation: 72-53=19 Moving to Node #0,1 Current State: 38:[62, 60, 19], Operations: ['72-53=19'] Exploring Operation: 62-60=2, Resulting Numbers: [19, 2] Generated Node #0,1,0: 38:[19, 2] Operation: 62-60=2 Moving to Node #0,1,0 Current State: 38:[19, 2], Operations: ['72-53=19', '62-60=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 96, 1, 23, 47 ]
48
[ "96*23=2208", "47-1=46", "2208/46=48" ]
Current State: 48:[96, 1, 23, 47], Operations: [] Exploring Operation: 96*23=2208, Resulting Numbers: [1, 47, 2208] Generated Node #2: [1, 47, 2208] from Operation: 96*23=2208 Current State: 48:[1, 47, 2208], Operations: ['96*23=2208'] Exploring Operation: 47-1=46, Resulting Numbers: [2208, 46] Generated Node #3: [2208, 46] from Operation: 47-1=46 Current State: 48:[2208, 46], Operations: ['96*23=2208', '47-1=46'] Exploring Operation: 2208/46=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[96, 1, 23, 47], Operations: [] Exploring Operation: 96-47=49, Resulting Numbers: [1, 23, 49] Generated Node #0,0: 48:[1, 23, 49] Operation: 96-47=49 Moving to Node #0,0 Current State: 48:[1, 23, 49], Operations: ['96-47=49'] Exploring Operation: 1+23=24, Resulting Numbers: [49, 24] Generated Node #0,0,0: 48:[49, 24] Operation: 1+23=24 Moving to Node #0,0,0 Current State: 48:[49, 24], Operations: ['96-47=49', '1+23=24'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,48 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 12, 42, 15, 90 ]
16
[ "15-12=3", "90-42=48", "48/3=16" ]
Current State: 16:[12, 42, 15, 90], Operations: [] Exploring Operation: 15-12=3, Resulting Numbers: [42, 90, 3] Generated Node #2: [42, 90, 3] from Operation: 15-12=3 Current State: 16:[42, 90, 3], Operations: ['15-12=3'] Exploring Operation: 90-42=48, Resulting Numbers: [3, 48] Generated Node #3: [3, 48] from Operation: 90-42=48 Current State: 16:[3, 48], Operations: ['15-12=3', '90-42=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[12, 42, 15, 90], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [12, 42, 6] Generated Node #0,0: 16:[12, 42, 6] Operation: 90/15=6 Exploring Operation: 42-12=30, Resulting Numbers: [15, 90, 30] Generated Node #0,1: 16:[15, 90, 30] Operation: 42-12=30 Exploring Operation: 90-42=48, Resulting Numbers: [12, 15, 48] Generated Node #0,2: 16:[12, 15, 48] Operation: 90-42=48 Moving to Node #0,0 Current State: 16:[12, 42, 6], Operations: ['90/15=6'] Exploring Operation: 42-6=36, Resulting Numbers: [12, 36] Generated Node #0,0,0: 16:[12, 36] Operation: 42-6=36 Exploring Operation: 42-12=30, Resulting Numbers: [6, 30] Generated Node #0,0,1: 16:[6, 30] Operation: 42-12=30 Exploring Operation: 42/6=7, Resulting Numbers: [12, 7] Generated Node #0,0,2: 16:[12, 7] Operation: 42/6=7 Moving to Node #0,2 Current State: 16:[12, 15, 48], Operations: ['90-42=48'] Exploring Operation: 48-15=33, Resulting Numbers: [12, 33] Generated Node #0,2,0: 16:[12, 33] Operation: 48-15=33 Exploring Operation: 48/12=4, Resulting Numbers: [15, 4] Generated Node #0,2,1: 16:[15, 4] Operation: 48/12=4 Exploring Operation: 48-12=36, Resulting Numbers: [15, 36] Generated Node #0,2,2: 16:[15, 36] Operation: 48-12=36 Moving to Node #0,1 Current State: 16:[15, 90, 30], Operations: ['42-12=30'] Exploring Operation: 90/15=6, Resulting Numbers: [30, 6] Generated Node #0,1,0: 16:[30, 6] Operation: 90/15=6 Exploring Operation: 90-30=60, Resulting Numbers: [15, 60] Generated Node #0,1,1: 16:[15, 60] Operation: 90-30=60 Exploring Operation: 90/30=3, Resulting Numbers: [15, 3] Generated Node #0,1,2: 16:[15, 3] Operation: 90/30=3 Moving to Node #0,2,1 Current State: 16:[15, 4], Operations: ['90-42=48', '48/12=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[15, 3], Operations: ['42-12=30', '90/30=3'] Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[12, 7], Operations: ['90/15=6', '42/6=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[6, 30], Operations: ['90/15=6', '42-12=30'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[30, 6], Operations: ['42-12=30', '90/15=6'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[15, 36], Operations: ['90-42=48', '48-12=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,16 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,16 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[12, 33], Operations: ['90-42=48', '48-15=33'] Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,16 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[12, 36], Operations: ['90/15=6', '42-6=36'] Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[15, 60], Operations: ['42-12=30', '90-30=60'] Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,16 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 99, 27, 45, 27 ]
99
[ "27-27=0", "45*0=0", "99+0=99" ]
Current State: 99:[99, 27, 45, 27], Operations: [] Exploring Operation: 27-27=0, Resulting Numbers: [99, 45, 0] Generated Node #2: [99, 45, 0] from Operation: 27-27=0 Current State: 99:[99, 45, 0], Operations: ['27-27=0'] Exploring Operation: 45*0=0, Resulting Numbers: [99, 0] Generated Node #3: [99, 0] from Operation: 45*0=0 Current State: 99:[99, 0], Operations: ['27-27=0', '45*0=0'] Exploring Operation: 99+0=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[99, 27, 45, 27], Operations: [] Exploring Operation: 45-27=18, Resulting Numbers: [99, 27, 18] Generated Node #0,0: 99:[99, 27, 18] Operation: 45-27=18 Exploring Operation: 27/27=1, Resulting Numbers: [99, 45, 1] Generated Node #0,1: 99:[99, 45, 1] Operation: 27/27=1 Exploring Operation: 45-27=18, Resulting Numbers: [99, 27, 18] Generated Node #0,2: 99:[99, 27, 18] Operation: 45-27=18 Exploring Operation: 27-27=0, Resulting Numbers: [99, 45, 0] Generated Node #0,3: 99:[99, 45, 0] Operation: 27-27=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[99, 27, 18], Operations: ['45-27=18'] Exploring Operation: 99+18=117, Resulting Numbers: [27, 117] Generated Node #0,0,0: 99:[27, 117] Operation: 99+18=117 Exploring Operation: 99-18=81, Resulting Numbers: [27, 81] Generated Node #0,0,1: 99:[27, 81] Operation: 99-18=81 Exploring Operation: 27-18=9, Resulting Numbers: [99, 9] Generated Node #0,0,2: 99:[99, 9] Operation: 27-18=9 Exploring Operation: 27+18=45, Resulting Numbers: [99, 45] Generated Node #0,0,3: 99:[99, 45] Operation: 27+18=45 Moving to Node #0,0,2 Current State: 99:[99, 9], Operations: ['45-27=18', '27-18=9'] Exploring Operation: 99+9=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 99*9=891, Resulting Numbers: [891] 891,99 unequal: No Solution Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[99, 45], Operations: ['45-27=18', '27+18=45'] Exploring Operation: 99+45=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 99*45=4455, Resulting Numbers: [4455] 4455,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[27, 81], Operations: ['45-27=18', '99-18=81'] Exploring Operation: 27*81=2187, Resulting Numbers: [2187] 2187,99 unequal: No Solution Exploring Operation: 27+81=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 81-27=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 81/27=3, Resulting Numbers: [3] 3,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[27, 117], Operations: ['45-27=18', '99+18=117'] Exploring Operation: 27+117=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 117-27=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 27*117=3159, Resulting Numbers: [3159] 3159,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[99, 27, 18], Operations: ['45-27=18'] Exploring Operation: 27+18=45, Resulting Numbers: [99, 45] Generated Node #0,2,0: 99:[99, 45] Operation: 27+18=45 Exploring Operation: 27-18=9, Resulting Numbers: [99, 9] Generated Node #0,2,1: 99:[99, 9] Operation: 27-18=9 Exploring Operation: 99+18=117, Resulting Numbers: [27, 117] Generated Node #0,2,2: 99:[27, 117] Operation: 99+18=117 Exploring Operation: 99-18=81, Resulting Numbers: [27, 81] Generated Node #0,2,3: 99:[27, 81] Operation: 99-18=81 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[99, 9], Operations: ['45-27=18', '27-18=9'] Exploring Operation: 99*9=891, Resulting Numbers: [891] 891,99 unequal: No Solution Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 99+9=108, Resulting Numbers: [108] 108,99 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[99, 45], Operations: ['45-27=18', '27+18=45'] Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 99*45=4455, Resulting Numbers: [4455] 4455,99 unequal: No Solution Exploring Operation: 99+45=144, Resulting Numbers: [144] 144,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[27, 117], Operations: ['45-27=18', '99+18=117'] Exploring Operation: 117-27=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 27+117=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 27*117=3159, Resulting Numbers: [3159] 3159,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 99:[27, 81], Operations: ['45-27=18', '99-18=81'] Exploring Operation: 27*81=2187, Resulting Numbers: [2187] 2187,99 unequal: No Solution Exploring Operation: 81/27=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 81-27=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 27+81=108, Resulting Numbers: [108] 108,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[99, 45, 1], Operations: ['27/27=1'] Exploring Operation: 99/1=99, Resulting Numbers: [45, 99] Generated Node #0,1,0: 99:[45, 99] Operation: 99/1=99 Exploring Operation: 45*1=45, Resulting Numbers: [99, 45] Generated Node #0,1,1: 99:[99, 45] Operation: 45*1=45 Exploring Operation: 99*1=99, Resulting Numbers: [45, 99] Generated Node #0,1,2: 99:[45, 99] Operation: 99*1=99 Exploring Operation: 45-1=44, Resulting Numbers: [99, 44] Generated Node #0,1,3: 99:[99, 44] Operation: 45-1=44 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[99, 44], Operations: ['27/27=1', '45-1=44'] Exploring Operation: 99-44=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 99*44=4356, Resulting Numbers: [4356] 4356,99 unequal: No Solution Exploring Operation: 99+44=143, Resulting Numbers: [143] 143,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[45, 99], Operations: ['27/27=1', '99/1=99'] Exploring Operation: 45*99=4455, Resulting Numbers: [4455] 4455,99 unequal: No Solution Exploring Operation: 45+99=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[99, 45], Operations: ['27/27=1', '45*1=45'] Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 99+45=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 99*45=4455, Resulting Numbers: [4455] 4455,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[45, 99], Operations: ['27/27=1', '99*1=99'] Exploring Operation: 45+99=144, Resulting Numbers: [144] 144,99 unequal: No Solution Exploring Operation: 99-45=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 45*99=4455, Resulting Numbers: [4455] 4455,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[99, 45, 0], Operations: ['27-27=0'] Exploring Operation: 45*0=0, Resulting Numbers: [99, 0] Generated Node #0,3,0: 99:[99, 0] Operation: 45*0=0 Exploring Operation: 99+0=99, Resulting Numbers: [45, 99] Generated Node #0,3,1: 99:[45, 99] Operation: 99+0=99 Exploring Operation: 45+0=45, Resulting Numbers: [99, 45] Generated Node #0,3,2: 99:[99, 45] Operation: 45+0=45 Exploring Operation: 99-0=99, Resulting Numbers: [45, 99] Generated Node #0,3,3: 99:[45, 99] Operation: 99-0=99 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 99:[99, 0], Operations: ['27-27=0', '45*0=0'] Exploring Operation: 99-0=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[99, 27, 45, 27], Operations: [] Exploring Operation: 27-27=0, Resulting Numbers: [99, 45, 0] Generated Node #0,3: 99:[99, 45, 0] Operation: 27-27=0 Moving to Node #0,3 Current State: 99:[99, 45, 0], Operations: ['27-27=0'] Exploring Operation: 45*0=0, Resulting Numbers: [99, 0] Generated Node #0,3,0: 99:[99, 0] Operation: 45*0=0 Moving to Node #0,3,0 Current State: 99:[99, 0], Operations: ['27-27=0', '45*0=0'] Exploring Operation: 99-0=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_4
mult_heuristic
[ 49, 81, 26, 27 ]
26
[ "49-26=23", "81/27=3", "23+3=26" ]
Current State: 26:[49, 81, 26, 27], Operations: [] Exploring Operation: 49-26=23, Resulting Numbers: [81, 27, 23] Generated Node #2: [81, 27, 23] from Operation: 49-26=23 Current State: 26:[81, 27, 23], Operations: ['49-26=23'] Exploring Operation: 81/27=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 81/27=3 Current State: 26:[23, 3], Operations: ['49-26=23', '81/27=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[49, 81, 26, 27], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [49, 26, 3] Generated Node #0,0: 26:[49, 26, 3] Operation: 81/27=3 Exploring Operation: 81-49=32, Resulting Numbers: [26, 27, 32] Generated Node #0,1: 26:[26, 27, 32] Operation: 81-49=32 Moving to Node #0,1 Current State: 26:[26, 27, 32], Operations: ['81-49=32'] Exploring Operation: 32-27=5, Resulting Numbers: [26, 5] Generated Node #0,1,0: 26:[26, 5] Operation: 32-27=5 Exploring Operation: 32-26=6, Resulting Numbers: [27, 6] Generated Node #0,1,1: 26:[27, 6] Operation: 32-26=6 Moving to Node #0,0 Current State: 26:[49, 26, 3], Operations: ['81/27=3'] Exploring Operation: 49-3=46, Resulting Numbers: [26, 46] Generated Node #0,0,0: 26:[26, 46] Operation: 49-3=46 Exploring Operation: 49-26=23, Resulting Numbers: [3, 23] Generated Node #0,0,1: 26:[3, 23] Operation: 49-26=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[3, 23], Operations: ['81/27=3', '49-26=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[49, 81, 26, 27], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [49, 26, 3] Generated Node #0,0: 26:[49, 26, 3] Operation: 81/27=3 Moving to Node #0,0 Current State: 26:[49, 26, 3], Operations: ['81/27=3'] Exploring Operation: 49-26=23, Resulting Numbers: [3, 23] Generated Node #0,0,1: 26:[3, 23] Operation: 49-26=23 Moving to Node #0,0,1 Current State: 26:[3, 23], Operations: ['81/27=3', '49-26=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 83, 65, 13, 7 ]
85
[ "83+7=90", "65/13=5", "90-5=85" ]
Current State: 85:[83, 65, 13, 7], Operations: [] Exploring Operation: 83+7=90, Resulting Numbers: [65, 13, 90] Generated Node #2: [65, 13, 90] from Operation: 83+7=90 Current State: 85:[65, 13, 90], Operations: ['83+7=90'] Exploring Operation: 65/13=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 65/13=5 Current State: 85:[90, 5], Operations: ['83+7=90', '65/13=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[83, 65, 13, 7], Operations: [] Exploring Operation: 83-65=18, Resulting Numbers: [13, 7, 18] Generated Node #0,0: 85:[13, 7, 18] Operation: 83-65=18 Exploring Operation: 65/13=5, Resulting Numbers: [83, 7, 5] Generated Node #0,1: 85:[83, 7, 5] Operation: 65/13=5 Moving to Node #0,1 Current State: 85:[83, 7, 5], Operations: ['65/13=5'] Exploring Operation: 83+5=88, Resulting Numbers: [7, 88] Generated Node #0,1,0: 85:[7, 88] Operation: 83+5=88 Exploring Operation: 83+7=90, Resulting Numbers: [5, 90] Generated Node #0,1,1: 85:[5, 90] Operation: 83+7=90 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[7, 88], Operations: ['65/13=5', '83+5=88'] Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[5, 90], Operations: ['65/13=5', '83+7=90'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[83, 65, 13, 7], Operations: [] Exploring Operation: 65/13=5, Resulting Numbers: [83, 7, 5] Generated Node #0,1: 85:[83, 7, 5] Operation: 65/13=5 Moving to Node #0,1 Current State: 85:[83, 7, 5], Operations: ['65/13=5'] Exploring Operation: 83+7=90, Resulting Numbers: [5, 90] Generated Node #0,1,1: 85:[5, 90] Operation: 83+7=90 Moving to Node #0,1,1 Current State: 85:[5, 90], Operations: ['65/13=5', '83+7=90'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 27, 6, 57, 4 ]
42
[ "27+57=84", "6-4=2", "84/2=42" ]
Current State: 42:[27, 6, 57, 4], Operations: [] Exploring Operation: 27+57=84, Resulting Numbers: [6, 4, 84] Generated Node #2: [6, 4, 84] from Operation: 27+57=84 Current State: 42:[6, 4, 84], Operations: ['27+57=84'] Exploring Operation: 6-4=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 6-4=2 Current State: 42:[84, 2], Operations: ['27+57=84', '6-4=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[27, 6, 57, 4], Operations: [] Exploring Operation: 57-6=51, Resulting Numbers: [27, 4, 51] Generated Node #0,0: 42:[27, 4, 51] Operation: 57-6=51 Exploring Operation: 57-27=30, Resulting Numbers: [6, 4, 30] Generated Node #0,1: 42:[6, 4, 30] Operation: 57-27=30 Exploring Operation: 27-6=21, Resulting Numbers: [57, 4, 21] Generated Node #0,2: 42:[57, 4, 21] Operation: 27-6=21 Moving to Node #0,1 Current State: 42:[6, 4, 30], Operations: ['57-27=30'] Exploring Operation: 30-4=26, Resulting Numbers: [6, 26] Generated Node #0,1,0: 42:[6, 26] Operation: 30-4=26 Exploring Operation: 30/6=5, Resulting Numbers: [4, 5] Generated Node #0,1,1: 42:[4, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [4, 24] Generated Node #0,1,2: 42:[4, 24] Operation: 30-6=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[4, 5], Operations: ['57-27=30', '30/6=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[4, 24], Operations: ['57-27=30', '30-6=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[6, 26], Operations: ['57-27=30', '30-4=26'] Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 42:[27, 4, 51], Operations: ['57-6=51'] Exploring Operation: 27-4=23, Resulting Numbers: [51, 23] Generated Node #0,0,0: 42:[51, 23] Operation: 27-4=23 Exploring Operation: 51-27=24, Resulting Numbers: [4, 24] Generated Node #0,0,1: 42:[4, 24] Operation: 51-27=24 Exploring Operation: 51-4=47, Resulting Numbers: [27, 47] Generated Node #0,0,2: 42:[27, 47] Operation: 51-4=47 Moving to Node #0,2 Current State: 42:[57, 4, 21], Operations: ['27-6=21'] Exploring Operation: 57-21=36, Resulting Numbers: [4, 36] Generated Node #0,2,0: 42:[4, 36] Operation: 57-21=36 Exploring Operation: 57-4=53, Resulting Numbers: [21, 53] Generated Node #0,2,1: 42:[21, 53] Operation: 57-4=53 Exploring Operation: 21-4=17, Resulting Numbers: [57, 17] Generated Node #0,2,2: 42:[57, 17] Operation: 21-4=17 Moving to Node #0,0,1 Current State: 42:[4, 24], Operations: ['57-6=51', '51-27=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[4, 36], Operations: ['27-6=21', '57-21=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[27, 47], Operations: ['57-6=51', '51-4=47'] Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[21, 53], Operations: ['27-6=21', '57-4=53'] Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,42 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[51, 23], Operations: ['57-6=51', '27-4=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[57, 17], Operations: ['27-6=21', '21-4=17'] Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,42 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 24, 23, 53, 93 ]
50
[ "93-24=69", "69/23=3", "53-3=50" ]
Current State: 50:[24, 23, 53, 93], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [23, 53, 69] Generated Node #2: [23, 53, 69] from Operation: 93-24=69 Current State: 50:[23, 53, 69], Operations: ['93-24=69'] Exploring Operation: 69/23=3, Resulting Numbers: [53, 3] Generated Node #3: [53, 3] from Operation: 69/23=3 Current State: 50:[53, 3], Operations: ['93-24=69', '69/23=3'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[24, 23, 53, 93], Operations: [] Exploring Operation: 93-53=40, Resulting Numbers: [24, 23, 40] Generated Node #0,0: 50:[24, 23, 40] Operation: 93-53=40 Exploring Operation: 93-23=70, Resulting Numbers: [24, 53, 70] Generated Node #0,1: 50:[24, 53, 70] Operation: 93-23=70 Exploring Operation: 93-24=69, Resulting Numbers: [23, 53, 69] Generated Node #0,2: 50:[23, 53, 69] Operation: 93-24=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[24, 23, 40], Operations: ['93-53=40'] Exploring Operation: 24-23=1, Resulting Numbers: [40, 1] Generated Node #0,0,0: 50:[40, 1] Operation: 24-23=1 Exploring Operation: 40-24=16, Resulting Numbers: [23, 16] Generated Node #0,0,1: 50:[23, 16] Operation: 40-24=16 Exploring Operation: 40-23=17, Resulting Numbers: [24, 17] Generated Node #0,0,2: 50:[24, 17] Operation: 40-23=17 Moving to Node #0,0,1 Current State: 50:[23, 16], Operations: ['93-53=40', '40-24=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,50 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[24, 17], Operations: ['93-53=40', '40-23=17'] Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,50 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[40, 1], Operations: ['93-53=40', '24-23=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,50 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 Current State: 50:[24, 53, 70], Operations: ['93-23=70'] Exploring Operation: 70-24=46, Resulting Numbers: [53, 46] Generated Node #0,1,0: 50:[53, 46] Operation: 70-24=46 Exploring Operation: 53-24=29, Resulting Numbers: [70, 29] Generated Node #0,1,1: 50:[70, 29] Operation: 53-24=29 Exploring Operation: 70-53=17, Resulting Numbers: [24, 17] Generated Node #0,1,2: 50:[24, 17] Operation: 70-53=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[53, 46], Operations: ['93-23=70', '70-24=46'] Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,50 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,50 unequal: No Solution No 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: 50:[24, 17], Operations: ['93-23=70', '70-53=17'] Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,50 unequal: No Solution No 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: 50:[70, 29], Operations: ['93-23=70', '53-24=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,50 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,50 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,50 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: 50:[23, 53, 69], Operations: ['93-24=69'] Exploring Operation: 69-53=16, Resulting Numbers: [23, 16] Generated Node #0,2,0: 50:[23, 16] Operation: 69-53=16 Exploring Operation: 69/23=3, Resulting Numbers: [53, 3] Generated Node #0,2,1: 50:[53, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [53, 46] Generated Node #0,2,2: 50:[53, 46] Operation: 69-23=46 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 50:[53, 3], Operations: ['93-24=69', '69/23=3'] Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,50 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[24, 23, 53, 93], Operations: [] Exploring Operation: 93-24=69, Resulting Numbers: [23, 53, 69] Generated Node #0,2: 50:[23, 53, 69] Operation: 93-24=69 Moving to Node #0,2 Current State: 50:[23, 53, 69], Operations: ['93-24=69'] Exploring Operation: 69/23=3, Resulting Numbers: [53, 3] Generated Node #0,2,1: 50:[53, 3] Operation: 69/23=3 Moving to Node #0,2,1 Current State: 50:[53, 3], Operations: ['93-24=69', '69/23=3'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 69, 43, 3, 38 ]
84
[ "43-38=5", "3*5=15", "69+15=84" ]
Current State: 84:[69, 43, 3, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [69, 3, 5] Generated Node #2: [69, 3, 5] from Operation: 43-38=5 Current State: 84:[69, 3, 5], Operations: ['43-38=5'] Exploring Operation: 3*5=15, Resulting Numbers: [69, 15] Generated Node #3: [69, 15] from Operation: 3*5=15 Current State: 84:[69, 15], Operations: ['43-38=5', '3*5=15'] Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[69, 43, 3, 38], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [43, 3, 31] Generated Node #0,0: 84:[43, 3, 31] Operation: 69-38=31 Exploring Operation: 69/3=23, Resulting Numbers: [43, 38, 23] Generated Node #0,1: 84:[43, 38, 23] Operation: 69/3=23 Exploring Operation: 43-38=5, Resulting Numbers: [69, 3, 5] Generated Node #0,2: 84:[69, 3, 5] Operation: 43-38=5 Exploring Operation: 69+3=72, Resulting Numbers: [43, 38, 72] Generated Node #0,3: 84:[43, 38, 72] Operation: 69+3=72 Exploring Operation: 69-43=26, Resulting Numbers: [3, 38, 26] Generated Node #0,4: 84:[3, 38, 26] Operation: 69-43=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[43, 3, 31], Operations: ['69-38=31'] Exploring Operation: 43-31=12, Resulting Numbers: [3, 12] Generated Node #0,0,0: 84:[3, 12] Operation: 43-31=12 Exploring Operation: 43-3=40, Resulting Numbers: [31, 40] Generated Node #0,0,1: 84:[31, 40] Operation: 43-3=40 Exploring Operation: 31-3=28, Resulting Numbers: [43, 28] Generated Node #0,0,2: 84:[43, 28] Operation: 31-3=28 Exploring Operation: 43+3=46, Resulting Numbers: [31, 46] Generated Node #0,0,3: 84:[31, 46] Operation: 43+3=46 Exploring Operation: 3+31=34, Resulting Numbers: [43, 34] Generated Node #0,0,4: 84:[43, 34] Operation: 3+31=34 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[3, 12], Operations: ['69-38=31', '43-31=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 84:[43, 28], Operations: ['69-38=31', '31-3=28'] Exploring Operation: 43+28=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 43*28=1204, Resulting Numbers: [1204] 1204,84 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[31, 40], Operations: ['69-38=31', '43-3=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 84:[31, 46], Operations: ['69-38=31', '43+3=46'] Exploring Operation: 31*46=1426, Resulting Numbers: [1426] 1426,84 unequal: No Solution Exploring Operation: 31+46=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 84:[43, 34], Operations: ['69-38=31', '3+31=34'] Exploring Operation: 43*34=1462, Resulting Numbers: [1462] 1462,84 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 43+34=77, Resulting Numbers: [77] 77,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 84:[3, 38, 26], Operations: ['69-43=26'] Exploring Operation: 38-3=35, Resulting Numbers: [26, 35] Generated Node #0,4,0: 84:[26, 35] Operation: 38-3=35 Exploring Operation: 26-3=23, Resulting Numbers: [38, 23] Generated Node #0,4,1: 84:[38, 23] Operation: 26-3=23 Exploring Operation: 38-26=12, Resulting Numbers: [3, 12] Generated Node #0,4,2: 84:[3, 12] Operation: 38-26=12 Exploring Operation: 3+26=29, Resulting Numbers: [38, 29] Generated Node #0,4,3: 84:[38, 29] Operation: 3+26=29 Exploring Operation: 3+38=41, Resulting Numbers: [26, 41] Generated Node #0,4,4: 84:[26, 41] Operation: 3+38=41 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 84:[3, 12], Operations: ['69-43=26', '38-26=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 84:[26, 41], Operations: ['69-43=26', '3+38=41'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 84:[38, 29], Operations: ['69-43=26', '3+26=29'] Exploring Operation: 38+29=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 38*29=1102, Resulting Numbers: [1102] 1102,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 84:[38, 23], Operations: ['69-43=26', '26-3=23'] Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 84:[26, 35], Operations: ['69-43=26', '38-3=35'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 26*35=910, Resulting Numbers: [910] 910,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[43, 38, 23], Operations: ['69/3=23'] Exploring Operation: 43+38=81, Resulting Numbers: [23, 81] Generated Node #0,1,0: 84:[23, 81] Operation: 43+38=81 Exploring Operation: 38-23=15, Resulting Numbers: [43, 15] Generated Node #0,1,1: 84:[43, 15] Operation: 38-23=15 Exploring Operation: 43-23=20, Resulting Numbers: [38, 20] Generated Node #0,1,2: 84:[38, 20] Operation: 43-23=20 Exploring Operation: 38+23=61, Resulting Numbers: [43, 61] Generated Node #0,1,3: 84:[43, 61] Operation: 38+23=61 Exploring Operation: 43-38=5, Resulting Numbers: [23, 5] Generated Node #0,1,4: 84:[23, 5] Operation: 43-38=5 Moving to Node #0,1,1 Current State: 84:[43, 15], Operations: ['69/3=23', '38-23=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,84 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[23, 5], Operations: ['69/3=23', '43-38=5'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[23, 81], Operations: ['69/3=23', '43+38=81'] Exploring Operation: 23*81=1863, Resulting Numbers: [1863] 1863,84 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 23+81=104, Resulting Numbers: [104] 104,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[38, 20], Operations: ['69/3=23', '43-23=20'] Exploring Operation: 38+20=58, Resulting Numbers: [58] 58,84 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 38*20=760, Resulting Numbers: [760] 760,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[43, 61], Operations: ['69/3=23', '38+23=61'] Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,84 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,84 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[69, 3, 5], Operations: ['43-38=5'] Exploring Operation: 69/3=23, Resulting Numbers: [5, 23] Generated Node #0,2,0: 84:[5, 23] Operation: 69/3=23 Exploring Operation: 3+5=8, Resulting Numbers: [69, 8] Generated Node #0,2,1: 84:[69, 8] Operation: 3+5=8 Exploring Operation: 69+3=72, Resulting Numbers: [5, 72] Generated Node #0,2,2: 84:[5, 72] Operation: 69+3=72 Exploring Operation: 5-3=2, Resulting Numbers: [69, 2] Generated Node #0,2,3: 84:[69, 2] Operation: 5-3=2 Exploring Operation: 69+5=74, Resulting Numbers: [3, 74] Generated Node #0,2,4: 84:[3, 74] Operation: 69+5=74 Moving to Node #0,2,0 Current State: 84:[5, 23], Operations: ['43-38=5', '69/3=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,84 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,84 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,84 unequal: No Solution Moving to Node #0,2,4 Current State: 84:[3, 74], Operations: ['43-38=5', '69+5=74'] Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,84 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[5, 72], Operations: ['43-38=5', '69+3=72'] Exploring Operation: 5*72=360, Resulting Numbers: [360] 360,84 unequal: No Solution Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[69, 2], Operations: ['43-38=5', '5-3=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,84 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[69, 8], Operations: ['43-38=5', '3+5=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[43, 38, 72], Operations: ['69+3=72'] Exploring Operation: 43-38=5, Resulting Numbers: [72, 5] Generated Node #0,3,0: 84:[72, 5] Operation: 43-38=5 Exploring Operation: 43+38=81, Resulting Numbers: [72, 81] Generated Node #0,3,1: 84:[72, 81] Operation: 43+38=81 Exploring Operation: 72-43=29, Resulting Numbers: [38, 29] Generated Node #0,3,2: 84:[38, 29] Operation: 72-43=29 Exploring Operation: 38+72=110, Resulting Numbers: [43, 110] Generated Node #0,3,3: 84:[43, 110] Operation: 38+72=110 Exploring Operation: 72-38=34, Resulting Numbers: [43, 34] Generated Node #0,3,4: 84:[43, 34] Operation: 72-38=34 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[38, 29], Operations: ['69+3=72', '72-43=29'] Exploring Operation: 38+29=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 38*29=1102, Resulting Numbers: [1102] 1102,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 84:[43, 34], Operations: ['69+3=72', '72-38=34'] Exploring Operation: 43+34=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 43*34=1462, Resulting Numbers: [1462] 1462,84 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[72, 5], Operations: ['69+3=72', '43-38=5'] Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 72*5=360, Resulting Numbers: [360] 360,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[72, 81], Operations: ['69+3=72', '43+38=81'] Exploring Operation: 72*81=5832, Resulting Numbers: [5832] 5832,84 unequal: No Solution Exploring Operation: 81-72=9, Resulting Numbers: [9] 9,84 unequal: No Solution Exploring Operation: 72+81=153, Resulting Numbers: [153] 153,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[43, 110], Operations: ['69+3=72', '38+72=110'] Exploring Operation: 110-43=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 43*110=4730, Resulting Numbers: [4730] 4730,84 unequal: No Solution Exploring Operation: 43+110=153, Resulting Numbers: [153] 153,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 31, 53, 4, 78 ]
69
[ "78-53=25", "4*25=100", "100-31=69" ]
Current State: 69:[31, 53, 4, 78], Operations: [] Exploring Operation: 78-53=25, Resulting Numbers: [31, 4, 25] Generated Node #2: [31, 4, 25] from Operation: 78-53=25 Current State: 69:[31, 4, 25], Operations: ['78-53=25'] Exploring Operation: 4*25=100, Resulting Numbers: [31, 100] Generated Node #3: [31, 100] from Operation: 4*25=100 Current State: 69:[31, 100], Operations: ['78-53=25', '4*25=100'] Exploring Operation: 100-31=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[31, 53, 4, 78], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [4, 78, 22] Generated Node #0,0: 69:[4, 78, 22] Operation: 53-31=22 Moving to Node #0,0 Current State: 69:[4, 78, 22], Operations: ['53-31=22'] Exploring Operation: 78-4=74, Resulting Numbers: [22, 74] Generated Node #0,0,0: 69:[22, 74] Operation: 78-4=74 Moving to Node #0,0,0 Current State: 69:[22, 74], Operations: ['53-31=22', '78-4=74'] Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,69 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 39, 56, 75, 3 ]
23
[ "39+56=95", "75-3=72", "95-72=23" ]
Current State: 23:[39, 56, 75, 3], Operations: [] Exploring Operation: 39+56=95, Resulting Numbers: [75, 3, 95] Generated Node #2: [75, 3, 95] from Operation: 39+56=95 Current State: 23:[75, 3, 95], Operations: ['39+56=95'] Exploring Operation: 75-3=72, Resulting Numbers: [95, 72] Generated Node #3: [95, 72] from Operation: 75-3=72 Current State: 23:[95, 72], Operations: ['39+56=95', '75-3=72'] Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[39, 56, 75, 3], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [39, 56, 25] Generated Node #0,0: 23:[39, 56, 25] Operation: 75/3=25 Exploring Operation: 75-56=19, Resulting Numbers: [39, 3, 19] Generated Node #0,1: 23:[39, 3, 19] Operation: 75-56=19 Moving to Node #0,1 Current State: 23:[39, 3, 19], Operations: ['75-56=19'] Exploring Operation: 39/3=13, Resulting Numbers: [19, 13] Generated Node #0,1,0: 23:[19, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [19, 36] Generated Node #0,1,1: 23:[19, 36] Operation: 39-3=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[19, 13], Operations: ['75-56=19', '39/3=13'] Exploring Operation: 19+13=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[19, 36], Operations: ['75-56=19', '39-3=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 23:[39, 56, 25], Operations: ['75/3=25'] Exploring Operation: 56-39=17, Resulting Numbers: [25, 17] Generated Node #0,0,0: 23:[25, 17] Operation: 56-39=17 Exploring Operation: 56-25=31, Resulting Numbers: [39, 31] Generated Node #0,0,1: 23:[39, 31] Operation: 56-25=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[25, 17], Operations: ['75/3=25', '56-39=17'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[39, 31], Operations: ['75/3=25', '56-25=31'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,23 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
[ 94, 80, 56, 14 ]
56
[ "94-80=14", "56+14=70", "70-14=56" ]
Current State: 56:[94, 80, 56, 14], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [56, 14, 14] Generated Node #2: [56, 14, 14] from Operation: 94-80=14 Current State: 56:[56, 14, 14], Operations: ['94-80=14'] Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,56 equal: Goal Reached Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[94, 80, 56, 14], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [56, 14, 14] Generated Node #0,0: 56:[56, 14, 14] Operation: 94-80=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[56, 14, 14], Operations: ['94-80=14'] Exploring Operation: 56/14=4, Resulting Numbers: [14, 4] Generated Node #0,0,0: 56:[14, 4] Operation: 56/14=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[14, 4], Operations: ['94-80=14', '56/14=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[94, 80, 56, 14], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [56, 14, 14] Generated Node #0,0: 56:[56, 14, 14] Operation: 94-80=14 Moving to Node #0,0 Current State: 56:[56, 14, 14], Operations: ['94-80=14'] Exploring Operation: 56/14=4, Resulting Numbers: [14, 4] Generated Node #0,0,0: 56:[14, 4] Operation: 56/14=4 Moving to Node #0,0,0 Current State: 56:[14, 4], Operations: ['94-80=14', '56/14=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 22, 69, 30, 51 ]
26
[ "69-22=47", "51-30=21", "47-21=26" ]
Current State: 26:[22, 69, 30, 51], Operations: [] Exploring Operation: 69-22=47, Resulting Numbers: [30, 51, 47] Generated Node #2: [30, 51, 47] from Operation: 69-22=47 Current State: 26:[30, 51, 47], Operations: ['69-22=47'] Exploring Operation: 51-30=21, Resulting Numbers: [47, 21] Generated Node #3: [47, 21] from Operation: 51-30=21 Current State: 26:[47, 21], Operations: ['69-22=47', '51-30=21'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[22, 69, 30, 51], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [22, 30, 18] Generated Node #0,0: 26:[22, 30, 18] Operation: 69-51=18 Exploring Operation: 51-30=21, Resulting Numbers: [22, 69, 21] Generated Node #0,1: 26:[22, 69, 21] Operation: 51-30=21 Exploring Operation: 69-30=39, Resulting Numbers: [22, 51, 39] Generated Node #0,2: 26:[22, 51, 39] Operation: 69-30=39 Exploring Operation: 69-22=47, Resulting Numbers: [30, 51, 47] Generated Node #0,3: 26:[30, 51, 47] Operation: 69-22=47 Exploring Operation: 51-22=29, Resulting Numbers: [69, 30, 29] Generated Node #0,4: 26:[69, 30, 29] Operation: 51-22=29 Moving to Node #0,0 Current State: 26:[22, 30, 18], Operations: ['69-51=18'] Exploring Operation: 30-18=12, Resulting Numbers: [22, 12] Generated Node #0,0,0: 26:[22, 12] Operation: 30-18=12 Exploring Operation: 30+18=48, Resulting Numbers: [22, 48] Generated Node #0,0,1: 26:[22, 48] Operation: 30+18=48 Exploring Operation: 22-18=4, Resulting Numbers: [30, 4] Generated Node #0,0,2: 26:[30, 4] Operation: 22-18=4 Exploring Operation: 30-22=8, Resulting Numbers: [18, 8] Generated Node #0,0,3: 26:[18, 8] Operation: 30-22=8 Exploring Operation: 22+18=40, Resulting Numbers: [30, 40] Generated Node #0,0,4: 26:[30, 40] Operation: 22+18=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[22, 12], Operations: ['69-51=18', '30-18=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,26 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,26 unequal: No Solution No 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: 26:[30, 4], Operations: ['69-51=18', '22-18=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[22, 69, 30, 51], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [22, 30, 18] Generated Node #0,0: 26:[22, 30, 18] Operation: 69-51=18 Moving to Node #0,0 Current State: 26:[22, 30, 18], Operations: ['69-51=18'] Exploring Operation: 22-18=4, Resulting Numbers: [30, 4] Generated Node #0,0,2: 26:[30, 4] Operation: 22-18=4 Moving to Node #0,0,2 Current State: 26:[30, 4], Operations: ['69-51=18', '22-18=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 36, 88, 92, 58 ]
63
[ "88+92=180", "180/36=5", "58+5=63" ]
Current State: 63:[36, 88, 92, 58], Operations: [] Exploring Operation: 88+92=180, Resulting Numbers: [36, 58, 180] Generated Node #2: [36, 58, 180] from Operation: 88+92=180 Current State: 63:[36, 58, 180], Operations: ['88+92=180'] Exploring Operation: 180/36=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 180/36=5 Current State: 63:[58, 5], Operations: ['88+92=180', '180/36=5'] Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[36, 88, 92, 58], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [36, 58, 4] Generated Node #0,0: 63:[36, 58, 4] Operation: 92-88=4 Exploring Operation: 88-58=30, Resulting Numbers: [36, 92, 30] Generated Node #0,1: 63:[36, 92, 30] Operation: 88-58=30 Exploring Operation: 88-36=52, Resulting Numbers: [92, 58, 52] Generated Node #0,2: 63:[92, 58, 52] Operation: 88-36=52 Exploring Operation: 92-36=56, Resulting Numbers: [88, 58, 56] Generated Node #0,3: 63:[88, 58, 56] Operation: 92-36=56 Moving to Node #0,0 Current State: 63:[36, 58, 4], Operations: ['92-88=4'] Exploring Operation: 58-36=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 63:[4, 22] Operation: 58-36=22 Exploring Operation: 58+4=62, Resulting Numbers: [36, 62] Generated Node #0,0,1: 63:[36, 62] Operation: 58+4=62 Exploring Operation: 36/4=9, Resulting Numbers: [58, 9] Generated Node #0,0,2: 63:[58, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [58, 32] Generated Node #0,0,3: 63:[58, 32] Operation: 36-4=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[4, 22], Operations: ['92-88=4', '58-36=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,63 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[58, 9], Operations: ['92-88=4', '36/4=9'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,63 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[36, 62], Operations: ['92-88=4', '58+4=62'] Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,63 unequal: No Solution Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,63 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[58, 32], Operations: ['92-88=4', '36-4=32'] Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,63 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: 63:[88, 58, 56], Operations: ['92-36=56'] Exploring Operation: 58+56=114, Resulting Numbers: [88, 114] Generated Node #0,3,0: 63:[88, 114] Operation: 58+56=114 Exploring Operation: 88-58=30, Resulting Numbers: [56, 30] Generated Node #0,3,1: 63:[56, 30] Operation: 88-58=30 Exploring Operation: 58-56=2, Resulting Numbers: [88, 2] Generated Node #0,3,2: 63:[88, 2] Operation: 58-56=2 Exploring Operation: 88-56=32, Resulting Numbers: [58, 32] Generated Node #0,3,3: 63:[58, 32] Operation: 88-56=32 Moving to Node #0,2 Current State: 63:[92, 58, 52], Operations: ['88-36=52'] Exploring Operation: 58+52=110, Resulting Numbers: [92, 110] Generated Node #0,2,0: 63:[92, 110] Operation: 58+52=110 Exploring Operation: 92-58=34, Resulting Numbers: [52, 34] Generated Node #0,2,1: 63:[52, 34] Operation: 92-58=34 Exploring Operation: 92-52=40, Resulting Numbers: [58, 40] Generated Node #0,2,2: 63:[58, 40] Operation: 92-52=40 Exploring Operation: 58-52=6, Resulting Numbers: [92, 6] Generated Node #0,2,3: 63:[92, 6] Operation: 58-52=6 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 63:[52, 34], Operations: ['88-36=52', '92-58=34'] Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,63 unequal: No Solution Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[58, 40], Operations: ['88-36=52', '92-52=40'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 58*40=2320, Resulting Numbers: [2320] 2320,63 unequal: No Solution Exploring Operation: 58+40=98, Resulting Numbers: [98] 98,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 63:[92, 6], Operations: ['88-36=52', '58-52=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,63 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[92, 110], Operations: ['88-36=52', '58+52=110'] Exploring Operation: 92*110=10120, Resulting Numbers: [10120] 10120,63 unequal: No Solution Exploring Operation: 110-92=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 92+110=202, Resulting Numbers: [202] 202,63 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: 63:[36, 92, 30], Operations: ['88-58=30'] Exploring Operation: 36+30=66, Resulting Numbers: [92, 66] Generated Node #0,1,0: 63:[92, 66] Operation: 36+30=66 Exploring Operation: 36-30=6, Resulting Numbers: [92, 6] Generated Node #0,1,1: 63:[92, 6] Operation: 36-30=6 Exploring Operation: 92-36=56, Resulting Numbers: [30, 56] Generated Node #0,1,2: 63:[30, 56] Operation: 92-36=56 Exploring Operation: 92-30=62, Resulting Numbers: [36, 62] Generated Node #0,1,3: 63:[36, 62] Operation: 92-30=62 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[30, 56], Operations: ['88-58=30', '92-36=56'] Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,63 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[36, 62], Operations: ['88-58=30', '92-30=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,63 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[92, 6], Operations: ['88-58=30', '36-30=6'] Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,63 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,63 unequal: No Solution Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[92, 66], Operations: ['88-58=30', '36+30=66'] Exploring Operation: 92*66=6072, Resulting Numbers: [6072] 6072,63 unequal: No Solution Exploring Operation: 92+66=158, Resulting Numbers: [158] 158,63 unequal: No Solution Exploring Operation: 92-66=26, Resulting Numbers: [26] 26,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 63:[56, 30], Operations: ['92-36=56', '88-58=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,63 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,63 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[58, 32], Operations: ['92-36=56', '88-56=32'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[88, 2], Operations: ['92-36=56', '58-56=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 88*2=176, Resulting Numbers: [176] 176,63 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,63 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[88, 114], Operations: ['92-36=56', '58+56=114'] Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,63 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,63 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 28, 57, 19, 36 ]
68
[ "28+57=85", "36-19=17", "85-17=68" ]
Current State: 68:[28, 57, 19, 36], Operations: [] Exploring Operation: 28+57=85, Resulting Numbers: [19, 36, 85] Generated Node #2: [19, 36, 85] from Operation: 28+57=85 Current State: 68:[19, 36, 85], Operations: ['28+57=85'] Exploring Operation: 36-19=17, Resulting Numbers: [85, 17] Generated Node #3: [85, 17] from Operation: 36-19=17 Current State: 68:[85, 17], Operations: ['28+57=85', '36-19=17'] Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[28, 57, 19, 36], Operations: [] Exploring Operation: 57-28=29, Resulting Numbers: [19, 36, 29] Generated Node #0,0: 68:[19, 36, 29] Operation: 57-28=29 Exploring Operation: 57-36=21, Resulting Numbers: [28, 19, 21] Generated Node #0,1: 68:[28, 19, 21] Operation: 57-36=21 Exploring Operation: 57/19=3, Resulting Numbers: [28, 36, 3] Generated Node #0,2: 68:[28, 36, 3] Operation: 57/19=3 Exploring Operation: 57-19=38, Resulting Numbers: [28, 36, 38] Generated Node #0,3: 68:[28, 36, 38] Operation: 57-19=38 Moving to Node #0,0 Current State: 68:[19, 36, 29], Operations: ['57-28=29'] Exploring Operation: 36+29=65, Resulting Numbers: [19, 65] Generated Node #0,0,0: 68:[19, 65] Operation: 36+29=65 Exploring Operation: 29-19=10, Resulting Numbers: [36, 10] Generated Node #0,0,1: 68:[36, 10] Operation: 29-19=10 Exploring Operation: 36-29=7, Resulting Numbers: [19, 7] Generated Node #0,0,2: 68:[19, 7] Operation: 36-29=7 Exploring Operation: 36-19=17, Resulting Numbers: [29, 17] Generated Node #0,0,3: 68:[29, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[19, 65], Operations: ['57-28=29', '36+29=65'] Exploring Operation: 19*65=1235, Resulting Numbers: [1235] 1235,68 unequal: No Solution Exploring Operation: 19+65=84, Resulting Numbers: [84] 84,68 unequal: No Solution Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[19, 7], Operations: ['57-28=29', '36-29=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 68:[29, 17], Operations: ['57-28=29', '36-19=17'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,68 unequal: No Solution Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[36, 10], Operations: ['57-28=29', '29-19=10'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 36*10=360, Resulting Numbers: [360] 360,68 unequal: No Solution Exploring Operation: 36+10=46, Resulting Numbers: [46] 46,68 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: 68:[28, 36, 3], Operations: ['57/19=3'] Exploring Operation: 28+36=64, Resulting Numbers: [3, 64] Generated Node #0,2,0: 68:[3, 64] Operation: 28+36=64 Exploring Operation: 36-3=33, Resulting Numbers: [28, 33] Generated Node #0,2,1: 68:[28, 33] Operation: 36-3=33 Exploring Operation: 36-28=8, Resulting Numbers: [3, 8] Generated Node #0,2,2: 68:[3, 8] Operation: 36-28=8 Exploring Operation: 28+3=31, Resulting Numbers: [36, 31] Generated Node #0,2,3: 68:[36, 31] Operation: 28+3=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[3, 64], Operations: ['57/19=3', '28+36=64'] Exploring Operation: 3*64=192, Resulting Numbers: [192] 192,68 unequal: No Solution Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[3, 8], Operations: ['57/19=3', '36-28=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[36, 31], Operations: ['57/19=3', '28+3=31'] Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,68 unequal: No Solution Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[28, 33], Operations: ['57/19=3', '36-3=33'] Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,68 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,68 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,68 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: 68:[28, 36, 38], Operations: ['57-19=38'] Exploring Operation: 28+36=64, Resulting Numbers: [38, 64] Generated Node #0,3,0: 68:[38, 64] Operation: 28+36=64 Exploring Operation: 38-36=2, Resulting Numbers: [28, 2] Generated Node #0,3,1: 68:[28, 2] Operation: 38-36=2 Exploring Operation: 36-28=8, Resulting Numbers: [38, 8] Generated Node #0,3,2: 68:[38, 8] Operation: 36-28=8 Exploring Operation: 28+38=66, Resulting Numbers: [36, 66] Generated Node #0,3,3: 68:[36, 66] Operation: 28+38=66 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[36, 66], Operations: ['57-19=38', '28+38=66'] Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 36+66=102, Resulting Numbers: [102] 102,68 unequal: No Solution Exploring Operation: 36*66=2376, Resulting Numbers: [2376] 2376,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 68:[28, 2], Operations: ['57-19=38', '38-36=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,68 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[38, 64], Operations: ['57-19=38', '28+36=64'] Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,68 unequal: No Solution Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,68 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[38, 8], Operations: ['57-19=38', '36-28=8'] Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,68 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: 68:[28, 19, 21], Operations: ['57-36=21'] Exploring Operation: 28-21=7, Resulting Numbers: [19, 7] Generated Node #0,1,0: 68:[19, 7] Operation: 28-21=7 Exploring Operation: 21-19=2, Resulting Numbers: [28, 2] Generated Node #0,1,1: 68:[28, 2] Operation: 21-19=2 Exploring Operation: 19+21=40, Resulting Numbers: [28, 40] Generated Node #0,1,2: 68:[28, 40] Operation: 19+21=40 Exploring Operation: 28-19=9, Resulting Numbers: [21, 9] Generated Node #0,1,3: 68:[21, 9] Operation: 28-19=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[19, 7], Operations: ['57-36=21', '28-21=7'] Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,68 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[28, 2], Operations: ['57-36=21', '21-19=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,68 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,68 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[21, 9], Operations: ['57-36=21', '28-19=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,68 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[28, 40], Operations: ['57-36=21', '19+21=40'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,68 unequal: No Solution Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[28, 57, 19, 36], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [28, 19, 21] Generated Node #0,1: 68:[28, 19, 21] Operation: 57-36=21 Moving to Node #0,1 Current State: 68:[28, 19, 21], Operations: ['57-36=21'] Exploring Operation: 19+21=40, Resulting Numbers: [28, 40] Generated Node #0,1,2: 68:[28, 40] Operation: 19+21=40 Moving to Node #0,1,2 Current State: 68:[28, 40], Operations: ['57-36=21', '19+21=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.935764
hs_4
mult_heuristic
[ 99, 24, 36, 29 ]
68
[ "99-24=75", "36-29=7", "75-7=68" ]
Current State: 68:[99, 24, 36, 29], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [36, 29, 75] Generated Node #2: [36, 29, 75] from Operation: 99-24=75 Current State: 68:[36, 29, 75], Operations: ['99-24=75'] Exploring Operation: 36-29=7, Resulting Numbers: [75, 7] Generated Node #3: [75, 7] from Operation: 36-29=7 Current State: 68:[75, 7], Operations: ['99-24=75', '36-29=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[99, 24, 36, 29], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [36, 29, 75] Generated Node #0,0: 68:[36, 29, 75] Operation: 99-24=75 Exploring Operation: 99-29=70, Resulting Numbers: [24, 36, 70] Generated Node #0,1: 68:[24, 36, 70] Operation: 99-29=70 Exploring Operation: 99-36=63, Resulting Numbers: [24, 29, 63] Generated Node #0,2: 68:[24, 29, 63] Operation: 99-36=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[24, 36, 70], Operations: ['99-29=70'] Exploring Operation: 70-36=34, Resulting Numbers: [24, 34] Generated Node #0,1,0: 68:[24, 34] Operation: 70-36=34 Exploring Operation: 36-24=12, Resulting Numbers: [70, 12] Generated Node #0,1,1: 68:[70, 12] Operation: 36-24=12 Exploring Operation: 24+36=60, Resulting Numbers: [70, 60] Generated Node #0,1,2: 68:[70, 60] Operation: 24+36=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[24, 34], Operations: ['99-29=70', '70-36=34'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,68 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,68 unequal: No Solution No 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: 68:[70, 12], Operations: ['99-29=70', '36-24=12'] Exploring Operation: 70*12=840, Resulting Numbers: [840] 840,68 unequal: No Solution Exploring Operation: 70+12=82, Resulting Numbers: [82] 82,68 unequal: No Solution Exploring Operation: 70-12=58, Resulting Numbers: [58] 58,68 unequal: No Solution No 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: 68:[70, 60], Operations: ['99-29=70', '24+36=60'] Exploring Operation: 70*60=4200, Resulting Numbers: [4200] 4200,68 unequal: No Solution Exploring Operation: 70+60=130, Resulting Numbers: [130] 130,68 unequal: No Solution Exploring Operation: 70-60=10, Resulting Numbers: [10] 10,68 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: 68:[36, 29, 75], Operations: ['99-24=75'] Exploring Operation: 75-36=39, Resulting Numbers: [29, 39] Generated Node #0,0,0: 68:[29, 39] Operation: 75-36=39 Exploring Operation: 36+29=65, Resulting Numbers: [75, 65] Generated Node #0,0,1: 68:[75, 65] Operation: 36+29=65 Exploring Operation: 36-29=7, Resulting Numbers: [75, 7] Generated Node #0,0,2: 68:[75, 7] Operation: 36-29=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[29, 39], Operations: ['99-24=75', '75-36=39'] Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[99, 24, 36, 29], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [36, 29, 75] Generated Node #0,0: 68:[36, 29, 75] Operation: 99-24=75 Moving to Node #0,0 Current State: 68:[36, 29, 75], Operations: ['99-24=75'] Exploring Operation: 75-36=39, Resulting Numbers: [29, 39] Generated Node #0,0,0: 68:[29, 39] Operation: 75-36=39 Moving to Node #0,0,0 Current State: 68:[29, 39], Operations: ['99-24=75', '75-36=39'] Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 2, 42, 13, 56 ]
57
[ "2*56=112", "42+13=55", "112-55=57" ]
Current State: 57:[2, 42, 13, 56], Operations: [] Exploring Operation: 2*56=112, Resulting Numbers: [42, 13, 112] Generated Node #2: [42, 13, 112] from Operation: 2*56=112 Current State: 57:[42, 13, 112], Operations: ['2*56=112'] Exploring Operation: 42+13=55, Resulting Numbers: [112, 55] Generated Node #3: [112, 55] from Operation: 42+13=55 Current State: 57:[112, 55], Operations: ['2*56=112', '42+13=55'] Exploring Operation: 112-55=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[2, 42, 13, 56], Operations: [] Exploring Operation: 42-13=29, Resulting Numbers: [2, 56, 29] Generated Node #0,0: 57:[2, 56, 29] Operation: 42-13=29 Exploring Operation: 42/2=21, Resulting Numbers: [13, 56, 21] Generated Node #0,1: 57:[13, 56, 21] Operation: 42/2=21 Exploring Operation: 42+13=55, Resulting Numbers: [2, 56, 55] Generated Node #0,2: 57:[2, 56, 55] Operation: 42+13=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[2, 56, 55], Operations: ['42+13=55'] Exploring Operation: 2+56=58, Resulting Numbers: [55, 58] Generated Node #0,2,0: 57:[55, 58] Operation: 2+56=58 Exploring Operation: 56-55=1, Resulting Numbers: [2, 1] Generated Node #0,2,1: 57:[2, 1] Operation: 56-55=1 Exploring Operation: 2+55=57, Resulting Numbers: [56, 57] Generated Node #0,2,2: 57:[56, 57] Operation: 2+55=57 Moving to Node #0,2,2 Current State: 57:[56, 57], Operations: ['42+13=55', '2+55=57'] Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,57 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,57 unequal: No Solution Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[55, 58], Operations: ['42+13=55', '2+56=58'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 55+58=113, Resulting Numbers: [113] 113,57 unequal: No Solution Exploring Operation: 55*58=3190, Resulting Numbers: [3190] 3190,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[2, 1], Operations: ['42+13=55', '56-55=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[13, 56, 21], Operations: ['42/2=21'] Exploring Operation: 56-13=43, Resulting Numbers: [21, 43] Generated Node #0,1,0: 57:[21, 43] Operation: 56-13=43 Exploring Operation: 21-13=8, Resulting Numbers: [56, 8] Generated Node #0,1,1: 57:[56, 8] Operation: 21-13=8 Exploring Operation: 13+56=69, Resulting Numbers: [21, 69] Generated Node #0,1,2: 57:[21, 69] Operation: 13+56=69 Moving to Node #0,1,1 Current State: 57:[56, 8], Operations: ['42/2=21', '21-13=8'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,57 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[21, 69], Operations: ['42/2=21', '13+56=69'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,57 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,57 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[21, 43], Operations: ['42/2=21', '56-13=43'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,57 unequal: No Solution Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[2, 56, 29], Operations: ['42-13=29'] Exploring Operation: 29-2=27, Resulting Numbers: [56, 27] Generated Node #0,0,0: 57:[56, 27] Operation: 29-2=27 Exploring Operation: 2*29=58, Resulting Numbers: [56, 58] Generated Node #0,0,1: 57:[56, 58] Operation: 2*29=58 Exploring Operation: 56-29=27, Resulting Numbers: [2, 27] Generated Node #0,0,2: 57:[2, 27] Operation: 56-29=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[56, 58], Operations: ['42-13=29', '2*29=58'] Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,57 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,57 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:[56, 27], Operations: ['42-13=29', '29-2=27'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,57 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:[2, 27], Operations: ['42-13=29', '56-29=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,57 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 No solution found.
0
hs_3
sum_heuristic
[ 33, 32, 35, 59 ]
25
[ "33-32=1", "59-35=24", "1+24=25" ]
Current State: 25:[33, 32, 35, 59], Operations: [] Exploring Operation: 33-32=1, Resulting Numbers: [35, 59, 1] Generated Node #2: [35, 59, 1] from Operation: 33-32=1 Current State: 25:[35, 59, 1], Operations: ['33-32=1'] Exploring Operation: 59-35=24, Resulting Numbers: [1, 24] Generated Node #3: [1, 24] from Operation: 59-35=24 Current State: 25:[1, 24], Operations: ['33-32=1', '59-35=24'] Exploring Operation: 1+24=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[33, 32, 35, 59], Operations: [] Exploring Operation: 59-32=27, Resulting Numbers: [33, 35, 27] Generated Node #0,0: 25:[33, 35, 27] Operation: 59-32=27 Exploring Operation: 59-33=26, Resulting Numbers: [32, 35, 26] Generated Node #0,1: 25:[32, 35, 26] Operation: 59-33=26 Exploring Operation: 59-35=24, Resulting Numbers: [33, 32, 24] Generated Node #0,2: 25:[33, 32, 24] Operation: 59-35=24 Moving to Node #0,2 Current State: 25:[33, 32, 24], Operations: ['59-35=24'] Exploring Operation: 32-24=8, Resulting Numbers: [33, 8] Generated Node #0,2,0: 25:[33, 8] Operation: 32-24=8 Exploring Operation: 33-24=9, Resulting Numbers: [32, 9] Generated Node #0,2,1: 25:[32, 9] Operation: 33-24=9 Exploring Operation: 33-32=1, Resulting Numbers: [24, 1] Generated Node #0,2,2: 25:[24, 1] Operation: 33-32=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 25:[24, 1], Operations: ['59-35=24', '33-32=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[33, 32, 35, 59], Operations: [] Exploring Operation: 59-35=24, Resulting Numbers: [33, 32, 24] Generated Node #0,2: 25:[33, 32, 24] Operation: 59-35=24 Moving to Node #0,2 Current State: 25:[33, 32, 24], Operations: ['59-35=24'] Exploring Operation: 33-32=1, Resulting Numbers: [24, 1] Generated Node #0,2,2: 25:[24, 1] Operation: 33-32=1 Moving to Node #0,2,2 Current State: 25:[24, 1], Operations: ['59-35=24', '33-32=1'] Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 63, 65, 84, 54 ]
57
[ "65-63=2", "54/2=27", "84-27=57" ]
Current State: 57:[63, 65, 84, 54], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [84, 54, 2] Generated Node #2: [84, 54, 2] from Operation: 65-63=2 Current State: 57:[84, 54, 2], Operations: ['65-63=2'] Exploring Operation: 54/2=27, Resulting Numbers: [84, 27] Generated Node #3: [84, 27] from Operation: 54/2=27 Current State: 57:[84, 27], Operations: ['65-63=2', '54/2=27'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[63, 65, 84, 54], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [63, 65, 30] Generated Node #0,0: 57:[63, 65, 30] Operation: 84-54=30 Exploring Operation: 84-63=21, Resulting Numbers: [65, 54, 21] Generated Node #0,1: 57:[65, 54, 21] Operation: 84-63=21 Exploring Operation: 84-65=19, Resulting Numbers: [63, 54, 19] Generated Node #0,2: 57:[63, 54, 19] Operation: 84-65=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[63, 54, 19], Operations: ['84-65=19'] Exploring Operation: 54+19=73, Resulting Numbers: [63, 73] Generated Node #0,2,0: 57:[63, 73] Operation: 54+19=73 Exploring Operation: 63-54=9, Resulting Numbers: [19, 9] Generated Node #0,2,1: 57:[19, 9] Operation: 63-54=9 Exploring Operation: 63-19=44, Resulting Numbers: [54, 44] Generated Node #0,2,2: 57:[54, 44] Operation: 63-19=44 Moving to Node #0,2,1 Current State: 57:[19, 9], Operations: ['84-65=19', '63-54=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,57 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[54, 44], Operations: ['84-65=19', '63-19=44'] Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[63, 73], Operations: ['84-65=19', '54+19=73'] Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,57 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[65, 54, 21], Operations: ['84-63=21'] Exploring Operation: 65-54=11, Resulting Numbers: [21, 11] Generated Node #0,1,0: 57:[21, 11] Operation: 65-54=11 Exploring Operation: 54-21=33, Resulting Numbers: [65, 33] Generated Node #0,1,1: 57:[65, 33] Operation: 54-21=33 Exploring Operation: 65-21=44, Resulting Numbers: [54, 44] Generated Node #0,1,2: 57:[54, 44] Operation: 65-21=44 Moving to Node #0,1,0 Current State: 57:[21, 11], Operations: ['84-63=21', '65-54=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,57 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[54, 44], Operations: ['84-63=21', '65-21=44'] Exploring Operation: 54*44=2376, Resulting Numbers: [2376] 2376,57 unequal: No Solution Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 54+44=98, Resulting Numbers: [98] 98,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[65, 33], Operations: ['84-63=21', '54-21=33'] Exploring Operation: 65*33=2145, Resulting Numbers: [2145] 2145,57 unequal: No Solution Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[63, 65, 30], Operations: ['84-54=30'] Exploring Operation: 65-30=35, Resulting Numbers: [63, 35] Generated Node #0,0,0: 57:[63, 35] Operation: 65-30=35 Exploring Operation: 63-30=33, Resulting Numbers: [65, 33] Generated Node #0,0,1: 57:[65, 33] Operation: 63-30=33 Exploring Operation: 65-63=2, Resulting Numbers: [30, 2] Generated Node #0,0,2: 57:[30, 2] Operation: 65-63=2 Moving to Node #0,0,2 Current State: 57:[30, 2], Operations: ['84-54=30', '65-63=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[63, 35], Operations: ['84-54=30', '65-30=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,57 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[65, 33], Operations: ['84-54=30', '63-30=33'] Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,57 unequal: No Solution Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 65*33=2145, Resulting Numbers: [2145] 2145,57 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
[ 42, 3, 47, 81 ]
94
[ "3+81=84", "84/42=2", "47*2=94" ]
Current State: 94:[42, 3, 47, 81], Operations: [] Exploring Operation: 3+81=84, Resulting Numbers: [42, 47, 84] Generated Node #2: [42, 47, 84] from Operation: 3+81=84 Current State: 94:[42, 47, 84], Operations: ['3+81=84'] Exploring Operation: 84/42=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 84/42=2 Current State: 94:[47, 2], Operations: ['3+81=84', '84/42=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[42, 3, 47, 81], Operations: [] Exploring Operation: 42+3=45, Resulting Numbers: [47, 81, 45] Generated Node #0,0: 94:[47, 81, 45] Operation: 42+3=45 Exploring Operation: 81-42=39, Resulting Numbers: [3, 47, 39] Generated Node #0,1: 94:[3, 47, 39] Operation: 81-42=39 Moving to Node #0,1 Current State: 94:[3, 47, 39], Operations: ['81-42=39'] Exploring Operation: 47-39=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 94:[3, 8] Operation: 47-39=8 Exploring Operation: 3+39=42, Resulting Numbers: [47, 42] Generated Node #0,1,1: 94:[47, 42] Operation: 3+39=42 Moving to Node #0,0 Current State: 94:[47, 81, 45], Operations: ['42+3=45'] Exploring Operation: 47-45=2, Resulting Numbers: [81, 2] Generated Node #0,0,0: 94:[81, 2] Operation: 47-45=2 Exploring Operation: 81-45=36, Resulting Numbers: [47, 36] Generated Node #0,0,1: 94:[47, 36] Operation: 81-45=36 Moving to Node #0,1,1 Current State: 94:[47, 42], Operations: ['81-42=39', '3+39=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[3, 8], Operations: ['81-42=39', '47-39=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[47, 36], Operations: ['42+3=45', '81-45=36'] Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[81, 2], Operations: ['42+3=45', '47-45=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,94 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,94 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 24, 10, 3 ]
66
[ "3*10=30", "3*30=90", "90-24=66" ]
Current State: 66:[3, 24, 10, 3], Operations: [] Exploring Operation: 3*10=30, Resulting Numbers: [24, 30] Generated Node #2: [24, 30] from Operation: 3*10=30 Current State: 66:[24, 30], Operations: ['3*10=30'] Exploring Operation: 3*30=90, Resulting Numbers: [24, 90] Generated Node #3: [24, 90] from Operation: 3*30=90 Current State: 66:[24, 90], Operations: ['3*10=30', '3*30=90'] Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[3, 24, 10, 3], Operations: [] Exploring Operation: 24-3=21, Resulting Numbers: [10, 3, 21] Generated Node #0,0: 66:[10, 3, 21] Operation: 24-3=21 Exploring Operation: 24-3=21, Resulting Numbers: [3, 10, 21] Generated Node #0,1: 66:[3, 10, 21] Operation: 24-3=21 Exploring Operation: 24+10=34, Resulting Numbers: [3, 3, 34] Generated Node #0,2: 66:[3, 3, 34] Operation: 24+10=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[3, 3, 34], Operations: ['24+10=34'] Exploring Operation: 3/3=1, Resulting Numbers: [34, 1] Generated Node #0,2,0: 66:[34, 1] Operation: 3/3=1 Exploring Operation: 3+3=6, Resulting Numbers: [34, 6] Generated Node #0,2,1: 66:[34, 6] Operation: 3+3=6 Exploring Operation: 34-3=31, Resulting Numbers: [3, 31] Generated Node #0,2,2: 66:[3, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[34, 6], Operations: ['24+10=34', '3+3=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,66 unequal: No Solution Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[34, 1], Operations: ['24+10=34', '3/3=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[3, 31], Operations: ['24+10=34', '34-3=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,66 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[10, 3, 21], Operations: ['24-3=21'] Exploring Operation: 10-3=7, Resulting Numbers: [21, 7] Generated Node #0,0,0: 66:[21, 7] Operation: 10-3=7 Exploring Operation: 21-10=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 66:[3, 11] Operation: 21-10=11 Exploring Operation: 10+21=31, Resulting Numbers: [3, 31] Generated Node #0,0,2: 66:[3, 31] Operation: 10+21=31 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[3, 11], Operations: ['24-3=21', '21-10=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[21, 7], Operations: ['24-3=21', '10-3=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 66:[3, 31], Operations: ['24-3=21', '10+21=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,66 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[3, 10, 21], Operations: ['24-3=21'] Exploring Operation: 21-10=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 66:[3, 11] Operation: 21-10=11 Exploring Operation: 21/3=7, Resulting Numbers: [10, 7] Generated Node #0,1,1: 66:[10, 7] Operation: 21/3=7 Exploring Operation: 10-3=7, Resulting Numbers: [21, 7] Generated Node #0,1,2: 66:[21, 7] Operation: 10-3=7 Moving to Node #0,1,0 Current State: 66:[3, 11], Operations: ['24-3=21', '21-10=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[10, 7], Operations: ['24-3=21', '21/3=7'] Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[21, 7], Operations: ['24-3=21', '10-3=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,66 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 16, 17, 67, 51 ]
54
[ "67-16=51", "51/17=3", "51+3=54" ]
Current State: 54:[16, 17, 67, 51], Operations: [] Exploring Operation: 67-16=51, Resulting Numbers: [17, 51, 51] Generated Node #2: [17, 51, 51] from Operation: 67-16=51 Current State: 54:[17, 51, 51], Operations: ['67-16=51'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,54 equal: Goal Reached Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[16, 17, 67, 51], Operations: [] Exploring Operation: 67-51=16, Resulting Numbers: [16, 17, 16] Generated Node #0,0: 54:[16, 17, 16] Operation: 67-51=16 Exploring Operation: 67-17=50, Resulting Numbers: [16, 51, 50] Generated Node #0,1: 54:[16, 51, 50] Operation: 67-17=50 Exploring Operation: 17-16=1, Resulting Numbers: [67, 51, 1] Generated Node #0,2: 54:[67, 51, 1] Operation: 17-16=1 Exploring Operation: 51/17=3, Resulting Numbers: [16, 67, 3] Generated Node #0,3: 54:[16, 67, 3] Operation: 51/17=3 Exploring Operation: 67-16=51, Resulting Numbers: [17, 51, 51] Generated Node #0,4: 54:[17, 51, 51] Operation: 67-16=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[16, 17, 16], Operations: ['67-51=16'] Exploring Operation: 16-16=0, Resulting Numbers: [17, 0] Generated Node #0,0,0: 54:[17, 0] Operation: 16-16=0 Exploring Operation: 16+16=32, Resulting Numbers: [17, 32] Generated Node #0,0,1: 54:[17, 32] Operation: 16+16=32 Exploring Operation: 17-16=1, Resulting Numbers: [16, 1] Generated Node #0,0,2: 54:[16, 1] Operation: 17-16=1 Exploring Operation: 16/16=1, Resulting Numbers: [17, 1] Generated Node #0,0,3: 54:[17, 1] Operation: 16/16=1 Exploring Operation: 17-16=1, Resulting Numbers: [16, 1] Generated Node #0,0,4: 54:[16, 1] Operation: 17-16=1 Moving to Node #0,0,3 Current State: 54:[17, 1], Operations: ['67-51=16', '16/16=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[16, 1], Operations: ['67-51=16', '17-16=1'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[17, 0], Operations: ['67-51=16', '16-16=0'] Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17*0=0, Resulting Numbers: [0] 0,54 unequal: No Solution Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,54 unequal: No Solution Moving to Node #0,0,4 Current State: 54:[16, 1], Operations: ['67-51=16', '17-16=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[17, 32], Operations: ['67-51=16', '16+16=32'] Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,54 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[17, 51, 51], Operations: ['67-16=51'] Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,4,0: 54:[51, 3] Operation: 51/17=3 Exploring Operation: 51-17=34, Resulting Numbers: [51, 34] Generated Node #0,4,1: 54:[51, 34] Operation: 51-17=34 Exploring Operation: 51/51=1, Resulting Numbers: [17, 1] Generated Node #0,4,2: 54:[17, 1] Operation: 51/51=1 Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,4,3: 54:[51, 3] Operation: 51/17=3 Exploring Operation: 51-51=0, Resulting Numbers: [17, 0] Generated Node #0,4,4: 54:[17, 0] Operation: 51-51=0 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 54:[17, 1], Operations: ['67-16=51', '51/51=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,54 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 #0,4,0 Current State: 54:[51, 3], Operations: ['67-16=51', '51/17=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,54 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[16, 17, 67, 51], Operations: [] Exploring Operation: 67-16=51, Resulting Numbers: [17, 51, 51] Generated Node #0,4: 54:[17, 51, 51] Operation: 67-16=51 Moving to Node #0,4 Current State: 54:[17, 51, 51], Operations: ['67-16=51'] Exploring Operation: 51/17=3, Resulting Numbers: [51, 3] Generated Node #0,4,0: 54:[51, 3] Operation: 51/17=3 Moving to Node #0,4,0 Current State: 54:[51, 3], Operations: ['67-16=51', '51/17=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.961806
hs_5
mult_heuristic
[ 52, 9, 38, 23 ]
28
[ "52-9=43", "38-23=15", "43-15=28" ]
Current State: 28:[52, 9, 38, 23], Operations: [] Exploring Operation: 52-9=43, Resulting Numbers: [38, 23, 43] Generated Node #2: [38, 23, 43] from Operation: 52-9=43 Current State: 28:[38, 23, 43], Operations: ['52-9=43'] Exploring Operation: 38-23=15, Resulting Numbers: [43, 15] Generated Node #3: [43, 15] from Operation: 38-23=15 Current State: 28:[43, 15], Operations: ['52-9=43', '38-23=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[52, 9, 38, 23], Operations: [] Exploring Operation: 52-38=14, Resulting Numbers: [9, 23, 14] Generated Node #0,0: 28:[9, 23, 14] Operation: 52-38=14 Moving to Node #0,0 Current State: 28:[9, 23, 14], Operations: ['52-38=14'] Exploring Operation: 23-9=14, Resulting Numbers: [14, 14] Generated Node #0,0,0: 28:[14, 14] Operation: 23-9=14 Moving to Node #0,0,0 Current State: 28:[14, 14], Operations: ['52-38=14', '23-9=14'] Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[52, 9, 38, 23], Operations: [] Exploring Operation: 52-38=14, Resulting Numbers: [9, 23, 14] Generated Node #0,0: 28:[9, 23, 14] Operation: 52-38=14 Moving to Node #0,0 Current State: 28:[9, 23, 14], Operations: ['52-38=14'] Exploring Operation: 23-9=14, Resulting Numbers: [14, 14] Generated Node #0,0,0: 28:[14, 14] Operation: 23-9=14 Moving to Node #0,0,0 Current State: 28:[14, 14], Operations: ['52-38=14', '23-9=14'] Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 32, 82, 13, 18 ]
45
[ "82-32=50", "18-13=5", "50-5=45" ]
Current State: 45:[32, 82, 13, 18], Operations: [] Exploring Operation: 82-32=50, Resulting Numbers: [13, 18, 50] Generated Node #2: [13, 18, 50] from Operation: 82-32=50 Current State: 45:[13, 18, 50], Operations: ['82-32=50'] Exploring Operation: 18-13=5, Resulting Numbers: [50, 5] Generated Node #3: [50, 5] from Operation: 18-13=5 Current State: 45:[50, 5], Operations: ['82-32=50', '18-13=5'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[32, 82, 13, 18], Operations: [] Exploring Operation: 32+13=45, Resulting Numbers: [82, 18, 45] Generated Node #0,0: 45:[82, 18, 45] Operation: 32+13=45 Exploring Operation: 82-13=69, Resulting Numbers: [32, 18, 69] Generated Node #0,1: 45:[32, 18, 69] Operation: 82-13=69 Exploring Operation: 32-18=14, Resulting Numbers: [82, 13, 14] Generated Node #0,2: 45:[82, 13, 14] Operation: 32-18=14 Exploring Operation: 82-32=50, Resulting Numbers: [13, 18, 50] Generated Node #0,3: 45:[13, 18, 50] Operation: 82-32=50 Exploring Operation: 82-18=64, Resulting Numbers: [32, 13, 64] Generated Node #0,4: 45:[32, 13, 64] Operation: 82-18=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[13, 18, 50], Operations: ['82-32=50'] Exploring Operation: 50-13=37, Resulting Numbers: [18, 37] Generated Node #0,3,0: 45:[18, 37] Operation: 50-13=37 Exploring Operation: 13+18=31, Resulting Numbers: [50, 31] Generated Node #0,3,1: 45:[50, 31] Operation: 13+18=31 Exploring Operation: 50-18=32, Resulting Numbers: [13, 32] Generated Node #0,3,2: 45:[13, 32] Operation: 50-18=32 Exploring Operation: 18-13=5, Resulting Numbers: [50, 5] Generated Node #0,3,3: 45:[50, 5] Operation: 18-13=5 Exploring Operation: 13+50=63, Resulting Numbers: [18, 63] Generated Node #0,3,4: 45:[18, 63] Operation: 13+50=63 Moving to Node #0,3,3 Current State: 45:[50, 5], Operations: ['82-32=50', '18-13=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,45 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[32, 82, 13, 18], Operations: [] Exploring Operation: 82-32=50, Resulting Numbers: [13, 18, 50] Generated Node #0,3: 45:[13, 18, 50] Operation: 82-32=50 Moving to Node #0,3 Current State: 45:[13, 18, 50], Operations: ['82-32=50'] Exploring Operation: 18-13=5, Resulting Numbers: [50, 5] Generated Node #0,3,3: 45:[50, 5] Operation: 18-13=5 Moving to Node #0,3,3 Current State: 45:[50, 5], Operations: ['82-32=50', '18-13=5'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 17, 13, 3, 92 ]
80
[ "17-13=4", "3*4=12", "92-12=80" ]
Current State: 80:[17, 13, 3, 92], Operations: [] Exploring Operation: 17-13=4, Resulting Numbers: [3, 92, 4] Generated Node #2: [3, 92, 4] from Operation: 17-13=4 Current State: 80:[3, 92, 4], Operations: ['17-13=4'] Exploring Operation: 3*4=12, Resulting Numbers: [92, 12] Generated Node #3: [92, 12] from Operation: 3*4=12 Current State: 80:[92, 12], Operations: ['17-13=4', '3*4=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[17, 13, 3, 92], Operations: [] Exploring Operation: 92-13=79, Resulting Numbers: [17, 3, 79] Generated Node #0,0: 80:[17, 3, 79] Operation: 92-13=79 Exploring Operation: 92-17=75, Resulting Numbers: [13, 3, 75] Generated Node #0,1: 80:[13, 3, 75] Operation: 92-17=75 Exploring Operation: 17-13=4, Resulting Numbers: [3, 92, 4] Generated Node #0,2: 80:[3, 92, 4] Operation: 17-13=4 Exploring Operation: 13+3=16, Resulting Numbers: [17, 92, 16] Generated Node #0,3: 80:[17, 92, 16] Operation: 13+3=16 Moving to Node #0,0 Current State: 80:[17, 3, 79], Operations: ['92-13=79'] Exploring Operation: 79-3=76, Resulting Numbers: [17, 76] Generated Node #0,0,0: 80:[17, 76] Operation: 79-3=76 Exploring Operation: 17-3=14, Resulting Numbers: [79, 14] Generated Node #0,0,1: 80:[79, 14] Operation: 17-3=14 Exploring Operation: 3+79=82, Resulting Numbers: [17, 82] Generated Node #0,0,2: 80:[17, 82] Operation: 3+79=82 Exploring Operation: 17+3=20, Resulting Numbers: [79, 20] Generated Node #0,0,3: 80:[79, 20] Operation: 17+3=20 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[79, 20], Operations: ['92-13=79', '17+3=20'] Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,80 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[79, 14], Operations: ['92-13=79', '17-3=14'] Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,80 unequal: No Solution Exploring Operation: 79*14=1106, Resulting Numbers: [1106] 1106,80 unequal: No Solution Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[17, 82], Operations: ['92-13=79', '3+79=82'] Exploring Operation: 17+82=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 17*82=1394, Resulting Numbers: [1394] 1394,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[17, 76], Operations: ['92-13=79', '79-3=76'] Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,80 unequal: No Solution Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,80 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: 80:[13, 3, 75], Operations: ['92-17=75'] Exploring Operation: 3+75=78, Resulting Numbers: [13, 78] Generated Node #0,1,0: 80:[13, 78] Operation: 3+75=78 Exploring Operation: 13*3=39, Resulting Numbers: [75, 39] Generated Node #0,1,1: 80:[75, 39] Operation: 13*3=39 Exploring Operation: 13-3=10, Resulting Numbers: [75, 10] Generated Node #0,1,2: 80:[75, 10] Operation: 13-3=10 Exploring Operation: 13+3=16, Resulting Numbers: [75, 16] Generated Node #0,1,3: 80:[75, 16] Operation: 13+3=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[13, 78], Operations: ['92-17=75', '3+75=78'] Exploring Operation: 13+78=91, Resulting Numbers: [91] 91,80 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 13*78=1014, Resulting Numbers: [1014] 1014,80 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[75, 10], Operations: ['92-17=75', '13-3=10'] Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,80 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[75, 16], Operations: ['92-17=75', '13+3=16'] Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,80 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[75, 39], Operations: ['92-17=75', '13*3=39'] Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,80 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,80 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,80 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: 80:[17, 92, 16], Operations: ['13+3=16'] Exploring Operation: 92-16=76, Resulting Numbers: [17, 76] Generated Node #0,3,0: 80:[17, 76] Operation: 92-16=76 Exploring Operation: 92-17=75, Resulting Numbers: [16, 75] Generated Node #0,3,1: 80:[16, 75] Operation: 92-17=75 Exploring Operation: 17-16=1, Resulting Numbers: [92, 1] Generated Node #0,3,2: 80:[92, 1] Operation: 17-16=1 Exploring Operation: 17+16=33, Resulting Numbers: [92, 33] Generated Node #0,3,3: 80:[92, 33] Operation: 17+16=33 Moving to Node #0,2 Current State: 80:[3, 92, 4], Operations: ['17-13=4'] Exploring Operation: 3+4=7, Resulting Numbers: [92, 7] Generated Node #0,2,0: 80:[92, 7] Operation: 3+4=7 Exploring Operation: 92/4=23, Resulting Numbers: [3, 23] Generated Node #0,2,1: 80:[3, 23] Operation: 92/4=23 Exploring Operation: 92-4=88, Resulting Numbers: [3, 88] Generated Node #0,2,2: 80:[3, 88] Operation: 92-4=88 Exploring Operation: 92-3=89, Resulting Numbers: [4, 89] Generated Node #0,2,3: 80:[4, 89] Operation: 92-3=89 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[3, 23], Operations: ['17-13=4', '92/4=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[3, 88], Operations: ['17-13=4', '92-4=88'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 3*88=264, Resulting Numbers: [264] 264,80 unequal: No Solution Exploring Operation: 3+88=91, Resulting Numbers: [91] 91,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[4, 89], Operations: ['17-13=4', '92-3=89'] Exploring Operation: 4*89=356, Resulting Numbers: [356] 356,80 unequal: No Solution Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 4+89=93, Resulting Numbers: [93] 93,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[92, 7], Operations: ['17-13=4', '3+4=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,80 unequal: No Solution Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 80:[17, 76], Operations: ['13+3=16', '92-16=76'] Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,80 unequal: No Solution Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,80 unequal: No Solution Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[16, 75], Operations: ['13+3=16', '92-17=75'] Exploring Operation: 16*75=1200, Resulting Numbers: [1200] 1200,80 unequal: No Solution Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 16+75=91, Resulting Numbers: [91] 91,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[92, 1], Operations: ['13+3=16', '17-16=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,80 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[92, 33], Operations: ['13+3=16', '17+16=33'] Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,80 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,80 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,80 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 17, 98, 83, 49 ]
68
[ "83-17=66", "98/49=2", "66+2=68" ]
Current State: 68:[17, 98, 83, 49], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [98, 49, 66] Generated Node #2: [98, 49, 66] from Operation: 83-17=66 Current State: 68:[98, 49, 66], Operations: ['83-17=66'] Exploring Operation: 98/49=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 98/49=2 Current State: 68:[66, 2], Operations: ['83-17=66', '98/49=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[17, 98, 83, 49], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [17, 83, 2] Generated Node #0,0: 68:[17, 83, 2] Operation: 98/49=2 Moving to Node #0,0 Current State: 68:[17, 83, 2], Operations: ['98/49=2'] Exploring Operation: 83-17=66, Resulting Numbers: [2, 66] Generated Node #0,0,0: 68:[2, 66] Operation: 83-17=66 Moving to Node #0,0,0 Current State: 68:[2, 66], Operations: ['98/49=2', '83-17=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[17, 98, 83, 49], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [17, 83, 2] Generated Node #0,0: 68:[17, 83, 2] Operation: 98/49=2 Moving to Node #0,0 Current State: 68:[17, 83, 2], Operations: ['98/49=2'] Exploring Operation: 83-17=66, Resulting Numbers: [2, 66] Generated Node #0,0,0: 68:[2, 66] Operation: 83-17=66 Moving to Node #0,0,0 Current State: 68:[2, 66], Operations: ['98/49=2', '83-17=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 56, 4, 39, 40 ]
30
[ "56-4=52", "39*40=1560", "1560/52=30" ]
Current State: 30:[56, 4, 39, 40], Operations: [] Exploring Operation: 56-4=52, Resulting Numbers: [39, 40, 52] Generated Node #2: [39, 40, 52] from Operation: 56-4=52 Current State: 30:[39, 40, 52], Operations: ['56-4=52'] Exploring Operation: 39*40=1560, Resulting Numbers: [52, 1560] Generated Node #3: [52, 1560] from Operation: 39*40=1560 Current State: 30:[52, 1560], Operations: ['56-4=52', '39*40=1560'] Exploring Operation: 1560/52=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[56, 4, 39, 40], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [4, 39, 16] Generated Node #0,0: 30:[4, 39, 16] Operation: 56-40=16 Exploring Operation: 40-39=1, Resulting Numbers: [56, 4, 1] Generated Node #0,1: 30:[56, 4, 1] Operation: 40-39=1 Exploring Operation: 56/4=14, Resulting Numbers: [39, 40, 14] Generated Node #0,2: 30:[39, 40, 14] Operation: 56/4=14 Exploring Operation: 56-39=17, Resulting Numbers: [4, 40, 17] Generated Node #0,3: 30:[4, 40, 17] Operation: 56-39=17 Moving to Node #0,0 Current State: 30:[4, 39, 16], Operations: ['56-40=16'] Exploring Operation: 39-16=23, Resulting Numbers: [4, 23] Generated Node #0,0,0: 30:[4, 23] Operation: 39-16=23 Exploring Operation: 16/4=4, Resulting Numbers: [39, 4] Generated Node #0,0,1: 30:[39, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [39, 12] Generated Node #0,0,2: 30:[39, 12] Operation: 16-4=12 Exploring Operation: 39-4=35, Resulting Numbers: [16, 35] Generated Node #0,0,3: 30:[16, 35] Operation: 39-4=35 Moving to Node #0,3 Current State: 30:[4, 40, 17], Operations: ['56-39=17'] Exploring Operation: 40-4=36, Resulting Numbers: [17, 36] Generated Node #0,3,0: 30:[17, 36] Operation: 40-4=36 Exploring Operation: 17-4=13, Resulting Numbers: [40, 13] Generated Node #0,3,1: 30:[40, 13] Operation: 17-4=13 Exploring Operation: 40-17=23, Resulting Numbers: [4, 23] Generated Node #0,3,2: 30:[4, 23] Operation: 40-17=23 Exploring Operation: 40/4=10, Resulting Numbers: [17, 10] Generated Node #0,3,3: 30:[17, 10] Operation: 40/4=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[17, 10], Operations: ['56-39=17', '40/4=10'] Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,30 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 #0,3,0 Current State: 30:[17, 36], Operations: ['56-39=17', '40-4=36'] Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,30 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 #0,3,2 Current State: 30:[4, 23], Operations: ['56-39=17', '40-17=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,30 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,30 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 #0,3,1 Current State: 30:[40, 13], Operations: ['56-39=17', '17-4=13'] Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,30 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,30 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: 30:[39, 40, 14], Operations: ['56/4=14'] Exploring Operation: 39-14=25, Resulting Numbers: [40, 25] Generated Node #0,2,0: 30:[40, 25] Operation: 39-14=25 Exploring Operation: 39+14=53, Resulting Numbers: [40, 53] Generated Node #0,2,1: 30:[40, 53] Operation: 39+14=53 Exploring Operation: 40-14=26, Resulting Numbers: [39, 26] Generated Node #0,2,2: 30:[39, 26] Operation: 40-14=26 Exploring Operation: 40-39=1, Resulting Numbers: [14, 1] Generated Node #0,2,3: 30:[14, 1] Operation: 40-39=1 Moving to Node #0,1 Current State: 30:[56, 4, 1], Operations: ['40-39=1'] Exploring Operation: 56-1=55, Resulting Numbers: [4, 55] Generated Node #0,1,0: 30:[4, 55] Operation: 56-1=55 Exploring Operation: 56-4=52, Resulting Numbers: [1, 52] Generated Node #0,1,1: 30:[1, 52] Operation: 56-4=52 Exploring Operation: 4+1=5, Resulting Numbers: [56, 5] Generated Node #0,1,2: 30:[56, 5] Operation: 4+1=5 Exploring Operation: 56/4=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 30:[1, 14] Operation: 56/4=14 Moving to Node #0,2,3 Current State: 30:[14, 1], Operations: ['56/4=14', '40-39=1'] Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[1, 14], Operations: ['40-39=1', '56/4=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[16, 35], Operations: ['56-40=16', '39-4=35'] Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 16*35=560, Resulting Numbers: [560] 560,30 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[4, 23], Operations: ['56-40=16', '39-16=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[39, 4], Operations: ['56-40=16', '16/4=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,30 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[39, 12], Operations: ['56-40=16', '16-4=12'] Exploring Operation: 39*12=468, Resulting Numbers: [468] 468,30 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[39, 26], Operations: ['56/4=14', '40-14=26'] Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,30 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[40, 25], Operations: ['56/4=14', '39-14=25'] Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 40*25=1000, Resulting Numbers: [1000] 1000,30 unequal: No Solution Exploring Operation: 40+25=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[1, 52], Operations: ['40-39=1', '56-4=52'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[4, 55], Operations: ['40-39=1', '56-1=55'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,30 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[56, 5], Operations: ['40-39=1', '4+1=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,30 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[40, 53], Operations: ['56/4=14', '39+14=53'] Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,30 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 4, 29, 21, 3 ]
92
[ "4*29=116", "21+3=24", "116-24=92" ]
Current State: 92:[4, 29, 21, 3], Operations: [] Exploring Operation: 4*29=116, Resulting Numbers: [21, 3, 116] Generated Node #2: [21, 3, 116] from Operation: 4*29=116 Current State: 92:[21, 3, 116], Operations: ['4*29=116'] Exploring Operation: 21+3=24, Resulting Numbers: [116, 24] Generated Node #3: [116, 24] from Operation: 21+3=24 Current State: 92:[116, 24], Operations: ['4*29=116', '21+3=24'] Exploring Operation: 116-24=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[4, 29, 21, 3], Operations: [] Exploring Operation: 29*3=87, Resulting Numbers: [4, 21, 87] Generated Node #0,0: 92:[4, 21, 87] Operation: 29*3=87 Exploring Operation: 29-3=26, Resulting Numbers: [4, 21, 26] Generated Node #0,1: 92:[4, 21, 26] Operation: 29-3=26 Exploring Operation: 29-4=25, Resulting Numbers: [21, 3, 25] Generated Node #0,2: 92:[21, 3, 25] Operation: 29-4=25 Exploring Operation: 29-21=8, Resulting Numbers: [4, 3, 8] Generated Node #0,3: 92:[4, 3, 8] Operation: 29-21=8 Exploring Operation: 29+21=50, Resulting Numbers: [4, 3, 50] Generated Node #0,4: 92:[4, 3, 50] Operation: 29+21=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[4, 21, 26], Operations: ['29-3=26'] Exploring Operation: 21+26=47, Resulting Numbers: [4, 47] Generated Node #0,1,0: 92:[4, 47] Operation: 21+26=47 Exploring Operation: 4+21=25, Resulting Numbers: [26, 25] Generated Node #0,1,1: 92:[26, 25] Operation: 4+21=25 Exploring Operation: 26-21=5, Resulting Numbers: [4, 5] Generated Node #0,1,2: 92:[4, 5] Operation: 26-21=5 Exploring Operation: 21-4=17, Resulting Numbers: [26, 17] Generated Node #0,1,3: 92:[26, 17] Operation: 21-4=17 Exploring Operation: 26-4=22, Resulting Numbers: [21, 22] Generated Node #0,1,4: 92:[21, 22] Operation: 26-4=22 Moving to Node #0,1,0 Current State: 92:[4, 47], Operations: ['29-3=26', '21+26=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,92 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[4, 5], Operations: ['29-3=26', '26-21=5'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,92 unequal: No Solution Moving to Node #0,1,4 Current State: 92:[21, 22], Operations: ['29-3=26', '26-4=22'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[26, 25], Operations: ['29-3=26', '4+21=25'] Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,92 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[26, 17], Operations: ['29-3=26', '21-4=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,92 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[21, 3, 25], Operations: ['29-4=25'] Exploring Operation: 25-3=22, Resulting Numbers: [21, 22] Generated Node #0,2,0: 92:[21, 22] Operation: 25-3=22 Exploring Operation: 21+25=46, Resulting Numbers: [3, 46] Generated Node #0,2,1: 92:[3, 46] Operation: 21+25=46 Exploring Operation: 21+3=24, Resulting Numbers: [25, 24] Generated Node #0,2,2: 92:[25, 24] Operation: 21+3=24 Exploring Operation: 21/3=7, Resulting Numbers: [25, 7] Generated Node #0,2,3: 92:[25, 7] Operation: 21/3=7 Exploring Operation: 25-21=4, Resulting Numbers: [3, 4] Generated Node #0,2,4: 92:[3, 4] Operation: 25-21=4 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 92:[3, 46], Operations: ['29-4=25', '21+25=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,92 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 92:[3, 4], Operations: ['29-4=25', '25-21=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 92:[21, 22], Operations: ['29-4=25', '25-3=22'] Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,92 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[25, 24], Operations: ['29-4=25', '21+3=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,92 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 92:[25, 7], Operations: ['29-4=25', '21/3=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[4, 3, 8], Operations: ['29-21=8'] Exploring Operation: 4-3=1, Resulting Numbers: [8, 1] Generated Node #0,3,0: 92:[8, 1] Operation: 4-3=1 Exploring Operation: 8/4=2, Resulting Numbers: [3, 2] Generated Node #0,3,1: 92:[3, 2] Operation: 8/4=2 Exploring Operation: 8-3=5, Resulting Numbers: [4, 5] Generated Node #0,3,2: 92:[4, 5] Operation: 8-3=5 Exploring Operation: 8-4=4, Resulting Numbers: [3, 4] Generated Node #0,3,3: 92:[3, 4] Operation: 8-4=4 Exploring Operation: 3*8=24, Resulting Numbers: [4, 24] Generated Node #0,3,4: 92:[4, 24] Operation: 3*8=24 Moving to Node #0,3,1 Current State: 92:[3, 2], Operations: ['29-21=8', '8/4=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[3, 4], Operations: ['29-21=8', '8-4=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,92 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[4, 5], Operations: ['29-21=8', '8-3=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[4, 24], Operations: ['29-21=8', '3*8=24'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,92 unequal: No Solution Moving to Node #0,3,0 Current State: 92:[8, 1], Operations: ['29-21=8', '4-3=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 92:[4, 3, 50], Operations: ['29+21=50'] Exploring Operation: 4-3=1, Resulting Numbers: [50, 1] Generated Node #0,4,0: 92:[50, 1] Operation: 4-3=1 Exploring Operation: 3+50=53, Resulting Numbers: [4, 53] Generated Node #0,4,1: 92:[4, 53] Operation: 3+50=53 Exploring Operation: 50-3=47, Resulting Numbers: [4, 47] Generated Node #0,4,2: 92:[4, 47] Operation: 50-3=47 Exploring Operation: 4+3=7, Resulting Numbers: [50, 7] Generated Node #0,4,3: 92:[50, 7] Operation: 4+3=7 Exploring Operation: 50-4=46, Resulting Numbers: [3, 46] Generated Node #0,4,4: 92:[3, 46] Operation: 50-4=46 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 92:[4, 47], Operations: ['29+21=50', '50-3=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,92 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 92:[3, 46], Operations: ['29+21=50', '50-4=46'] Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 92:[50, 1], Operations: ['29+21=50', '4-3=1'] Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,92 unequal: No Solution Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 92:[4, 53], Operations: ['29+21=50', '3+50=53'] Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,92 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 92:[50, 7], Operations: ['29+21=50', '4+3=7'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[4, 21, 87], Operations: ['29*3=87'] Exploring Operation: 87-4=83, Resulting Numbers: [21, 83] Generated Node #0,0,0: 92:[21, 83] Operation: 87-4=83 Exploring Operation: 4+21=25, Resulting Numbers: [87, 25] Generated Node #0,0,1: 92:[87, 25] Operation: 4+21=25 Exploring Operation: 21-4=17, Resulting Numbers: [87, 17] Generated Node #0,0,2: 92:[87, 17] Operation: 21-4=17 Exploring Operation: 4+87=91, Resulting Numbers: [21, 91] Generated Node #0,0,3: 92:[21, 91] Operation: 4+87=91 Exploring Operation: 4*21=84, Resulting Numbers: [87, 84] Generated Node #0,0,4: 92:[87, 84] Operation: 4*21=84 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 92:[21, 91], Operations: ['29*3=87', '4+87=91'] Exploring Operation: 21*91=1911, Resulting Numbers: [1911] 1911,92 unequal: No Solution Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,92 unequal: No Solution Exploring Operation: 21+91=112, Resulting Numbers: [112] 112,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[87, 25], Operations: ['29*3=87', '4+21=25'] Exploring Operation: 87+25=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 87*25=2175, Resulting Numbers: [2175] 2175,92 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[21, 83], Operations: ['29*3=87', '87-4=83'] Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 92:[87, 17], Operations: ['29*3=87', '21-4=17'] Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,92 unequal: No Solution Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,92 unequal: No Solution Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 92:[87, 84], Operations: ['29*3=87', '4*21=84'] Exploring Operation: 87*84=7308, Resulting Numbers: [7308] 7308,92 unequal: No Solution Exploring Operation: 87-84=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 87+84=171, Resulting Numbers: [171] 171,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 58, 5, 72, 33 ]
53
[ "58-33=25", "5*25=125", "125-72=53" ]
Current State: 53:[58, 5, 72, 33], Operations: [] Exploring Operation: 58-33=25, Resulting Numbers: [5, 72, 25] Generated Node #2: [5, 72, 25] from Operation: 58-33=25 Current State: 53:[5, 72, 25], Operations: ['58-33=25'] Exploring Operation: 5*25=125, Resulting Numbers: [72, 125] Generated Node #3: [72, 125] from Operation: 5*25=125 Current State: 53:[72, 125], Operations: ['58-33=25', '5*25=125'] Exploring Operation: 125-72=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[58, 5, 72, 33], Operations: [] Exploring Operation: 72-5=67, Resulting Numbers: [58, 33, 67] Generated Node #0,0: 53:[58, 33, 67] Operation: 72-5=67 Exploring Operation: 58+5=63, Resulting Numbers: [72, 33, 63] Generated Node #0,1: 53:[72, 33, 63] Operation: 58+5=63 Exploring Operation: 58-5=53, Resulting Numbers: [72, 33, 53] Generated Node #0,2: 53:[72, 33, 53] Operation: 58-5=53 Exploring Operation: 5+33=38, Resulting Numbers: [58, 72, 38] Generated Node #0,3: 53:[58, 72, 38] Operation: 5+33=38 Moving to Node #0,0 Current State: 53:[58, 33, 67], Operations: ['72-5=67'] Exploring Operation: 33+67=100, Resulting Numbers: [58, 100] Generated Node #0,0,0: 53:[58, 100] Operation: 33+67=100 Exploring Operation: 67-33=34, Resulting Numbers: [58, 34] Generated Node #0,0,1: 53:[58, 34] Operation: 67-33=34 Exploring Operation: 58+33=91, Resulting Numbers: [67, 91] Generated Node #0,0,2: 53:[67, 91] Operation: 58+33=91 Exploring Operation: 58-33=25, Resulting Numbers: [67, 25] Generated Node #0,0,3: 53:[67, 25] Operation: 58-33=25 Moving to Node #0,3 Current State: 53:[58, 72, 38], Operations: ['5+33=38'] Exploring Operation: 72-38=34, Resulting Numbers: [58, 34] Generated Node #0,3,0: 53:[58, 34] Operation: 72-38=34 Exploring Operation: 58-38=20, Resulting Numbers: [72, 20] Generated Node #0,3,1: 53:[72, 20] Operation: 58-38=20 Exploring Operation: 58+38=96, Resulting Numbers: [72, 96] Generated Node #0,3,2: 53:[72, 96] Operation: 58+38=96 Exploring Operation: 72-58=14, Resulting Numbers: [38, 14] Generated Node #0,3,3: 53:[38, 14] Operation: 72-58=14 Moving to Node #0,2 Current State: 53:[72, 33, 53], Operations: ['58-5=53'] Exploring Operation: 72+33=105, Resulting Numbers: [53, 105] Generated Node #0,2,0: 53:[53, 105] Operation: 72+33=105 Exploring Operation: 72-33=39, Resulting Numbers: [53, 39] Generated Node #0,2,1: 53:[53, 39] Operation: 72-33=39 Exploring Operation: 33+53=86, Resulting Numbers: [72, 86] Generated Node #0,2,2: 53:[72, 86] Operation: 33+53=86 Exploring Operation: 53-33=20, Resulting Numbers: [72, 20] Generated Node #0,2,3: 53:[72, 20] Operation: 53-33=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[53, 39], Operations: ['58-5=53', '72-33=39'] Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,53 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[53, 105], Operations: ['58-5=53', '72+33=105'] Exploring Operation: 53+105=158, Resulting Numbers: [158] 158,53 unequal: No Solution Exploring Operation: 105-53=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 53*105=5565, Resulting Numbers: [5565] 5565,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[72, 86], Operations: ['58-5=53', '33+53=86'] Exploring Operation: 72+86=158, Resulting Numbers: [158] 158,53 unequal: No Solution Exploring Operation: 72*86=6192, Resulting Numbers: [6192] 6192,53 unequal: No Solution Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[72, 20], Operations: ['58-5=53', '53-33=20'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,53 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: 53:[72, 33, 63], Operations: ['58+5=63'] Exploring Operation: 72+33=105, Resulting Numbers: [63, 105] Generated Node #0,1,0: 53:[63, 105] Operation: 72+33=105 Exploring Operation: 63-33=30, Resulting Numbers: [72, 30] Generated Node #0,1,1: 53:[72, 30] Operation: 63-33=30 Exploring Operation: 33+63=96, Resulting Numbers: [72, 96] Generated Node #0,1,2: 53:[72, 96] Operation: 33+63=96 Exploring Operation: 72-33=39, Resulting Numbers: [63, 39] Generated Node #0,1,3: 53:[63, 39] Operation: 72-33=39 Moving to Node #0,0,1 Current State: 53:[58, 34], Operations: ['72-5=67', '67-33=34'] Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 58*34=1972, Resulting Numbers: [1972] 1972,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[58, 34], Operations: ['5+33=38', '72-38=34'] Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 58*34=1972, Resulting Numbers: [1972] 1972,53 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[63, 39], Operations: ['58+5=63', '72-33=39'] Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 63*39=2457, Resulting Numbers: [2457] 2457,53 unequal: No Solution Exploring Operation: 63+39=102, Resulting Numbers: [102] 102,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[67, 25], Operations: ['72-5=67', '58-33=25'] Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 67+25=92, Resulting Numbers: [92] 92,53 unequal: No Solution Exploring Operation: 67*25=1675, Resulting Numbers: [1675] 1675,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[72, 30], Operations: ['58+5=63', '63-33=30'] Exploring Operation: 72*30=2160, Resulting Numbers: [2160] 2160,53 unequal: No Solution Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[58, 100], Operations: ['72-5=67', '33+67=100'] Exploring Operation: 58+100=158, Resulting Numbers: [158] 158,53 unequal: No Solution Exploring Operation: 58*100=5800, Resulting Numbers: [5800] 5800,53 unequal: No Solution Exploring Operation: 100-58=42, Resulting Numbers: [42] 42,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[72, 20], Operations: ['5+33=38', '58-38=20'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,53 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[67, 91], Operations: ['72-5=67', '58+33=91'] Exploring Operation: 67*91=6097, Resulting Numbers: [6097] 6097,53 unequal: No Solution Exploring Operation: 91-67=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 67+91=158, Resulting Numbers: [158] 158,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[38, 14], Operations: ['5+33=38', '72-58=14'] Exploring Operation: 38*14=532, Resulting Numbers: [532] 532,53 unequal: No Solution Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[72, 96], Operations: ['58+5=63', '33+63=96'] Exploring Operation: 72+96=168, Resulting Numbers: [168] 168,53 unequal: No Solution Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 72*96=6912, Resulting Numbers: [6912] 6912,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[63, 105], Operations: ['58+5=63', '72+33=105'] Exploring Operation: 63+105=168, Resulting Numbers: [168] 168,53 unequal: No Solution Exploring Operation: 105-63=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 63*105=6615, Resulting Numbers: [6615] 6615,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[72, 96], Operations: ['5+33=38', '58+38=96'] Exploring Operation: 72+96=168, Resulting Numbers: [168] 168,53 unequal: No Solution Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,53 unequal: No Solution Exploring Operation: 72*96=6912, Resulting Numbers: [6912] 6912,53 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 16, 79, 10, 81 ]
100
[ "79+81=160", "160/16=10", "10*10=100" ]
Current State: 100:[16, 79, 10, 81], Operations: [] Exploring Operation: 79+81=160, Resulting Numbers: [16, 10, 160] Generated Node #2: [16, 10, 160] from Operation: 79+81=160 Current State: 100:[16, 10, 160], Operations: ['79+81=160'] Exploring Operation: 160/16=10, Resulting Numbers: [10, 10] Generated Node #3: [10, 10] from Operation: 160/16=10 Current State: 100:[10, 10], Operations: ['79+81=160', '160/16=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[16, 79, 10, 81], Operations: [] Exploring Operation: 16+81=97, Resulting Numbers: [79, 10, 97] Generated Node #0,0: 100:[79, 10, 97] Operation: 16+81=97 Exploring Operation: 79-16=63, Resulting Numbers: [10, 81, 63] Generated Node #0,1: 100:[10, 81, 63] Operation: 79-16=63 Exploring Operation: 81-79=2, Resulting Numbers: [16, 10, 2] Generated Node #0,2: 100:[16, 10, 2] Operation: 81-79=2 Exploring Operation: 16+79=95, Resulting Numbers: [10, 81, 95] Generated Node #0,3: 100:[10, 81, 95] Operation: 16+79=95 Moving to Node #0,2 Current State: 100:[16, 10, 2], Operations: ['81-79=2'] Exploring Operation: 16+2=18, Resulting Numbers: [10, 18] Generated Node #0,2,0: 100:[10, 18] Operation: 16+2=18 Exploring Operation: 16/2=8, Resulting Numbers: [10, 8] Generated Node #0,2,1: 100:[10, 8] Operation: 16/2=8 Exploring Operation: 16+10=26, Resulting Numbers: [2, 26] Generated Node #0,2,2: 100:[2, 26] Operation: 16+10=26 Exploring Operation: 16-10=6, Resulting Numbers: [2, 6] Generated Node #0,2,3: 100:[2, 6] Operation: 16-10=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[2, 26], Operations: ['81-79=2', '16+10=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[2, 6], Operations: ['81-79=2', '16-10=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[10, 18], Operations: ['81-79=2', '16+2=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,100 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[10, 8], Operations: ['81-79=2', '16/2=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,100 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,100 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: 100:[10, 81, 95], Operations: ['16+79=95'] Exploring Operation: 10+81=91, Resulting Numbers: [95, 91] Generated Node #0,3,0: 100:[95, 91] Operation: 10+81=91 Exploring Operation: 81-10=71, Resulting Numbers: [95, 71] Generated Node #0,3,1: 100:[95, 71] Operation: 81-10=71 Exploring Operation: 10+95=105, Resulting Numbers: [81, 105] Generated Node #0,3,2: 100:[81, 105] Operation: 10+95=105 Exploring Operation: 95-81=14, Resulting Numbers: [10, 14] Generated Node #0,3,3: 100:[10, 14] Operation: 95-81=14 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[10, 14], Operations: ['16+79=95', '95-81=14'] Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,100 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[95, 91], Operations: ['16+79=95', '10+81=91'] Exploring Operation: 95-91=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 95*91=8645, Resulting Numbers: [8645] 8645,100 unequal: No Solution Exploring Operation: 95+91=186, Resulting Numbers: [186] 186,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[81, 105], Operations: ['16+79=95', '10+95=105'] Exploring Operation: 105-81=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 81*105=8505, Resulting Numbers: [8505] 8505,100 unequal: No Solution Exploring Operation: 81+105=186, Resulting Numbers: [186] 186,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[95, 71], Operations: ['16+79=95', '81-10=71'] Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,100 unequal: No Solution Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,100 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: 100:[79, 10, 97], Operations: ['16+81=97'] Exploring Operation: 10+97=107, Resulting Numbers: [79, 107] Generated Node #0,0,0: 100:[79, 107] Operation: 10+97=107 Exploring Operation: 79+10=89, Resulting Numbers: [97, 89] Generated Node #0,0,1: 100:[97, 89] Operation: 79+10=89 Exploring Operation: 97-79=18, Resulting Numbers: [10, 18] Generated Node #0,0,2: 100:[10, 18] Operation: 97-79=18 Exploring Operation: 79-10=69, Resulting Numbers: [97, 69] Generated Node #0,0,3: 100:[97, 69] Operation: 79-10=69 Moving to Node #0,1 Current State: 100:[10, 81, 63], Operations: ['79-16=63'] Exploring Operation: 81-10=71, Resulting Numbers: [63, 71] Generated Node #0,1,0: 100:[63, 71] Operation: 81-10=71 Exploring Operation: 10+81=91, Resulting Numbers: [63, 91] Generated Node #0,1,1: 100:[63, 91] Operation: 10+81=91 Exploring Operation: 63-10=53, Resulting Numbers: [81, 53] Generated Node #0,1,2: 100:[81, 53] Operation: 63-10=53 Exploring Operation: 81-63=18, Resulting Numbers: [10, 18] Generated Node #0,1,3: 100:[10, 18] Operation: 81-63=18 Moving to Node #0,0,2 Current State: 100:[10, 18], Operations: ['16+81=97', '97-79=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,100 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[10, 18], Operations: ['79-16=63', '81-63=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[97, 89], Operations: ['16+81=97', '79+10=89'] Exploring Operation: 97+89=186, Resulting Numbers: [186] 186,100 unequal: No Solution Exploring Operation: 97-89=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 97*89=8633, Resulting Numbers: [8633] 8633,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[97, 69], Operations: ['16+81=97', '79-10=69'] Exploring Operation: 97+69=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 97*69=6693, Resulting Numbers: [6693] 6693,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[63, 91], Operations: ['79-16=63', '10+81=91'] Exploring Operation: 63+91=154, Resulting Numbers: [154] 154,100 unequal: No Solution Exploring Operation: 63*91=5733, Resulting Numbers: [5733] 5733,100 unequal: No Solution Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[81, 53], Operations: ['79-16=63', '63-10=53'] Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 81*53=4293, Resulting Numbers: [4293] 4293,100 unequal: No Solution Exploring Operation: 81+53=134, Resulting Numbers: [134] 134,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[79, 107], Operations: ['16+81=97', '10+97=107'] Exploring Operation: 79*107=8453, Resulting Numbers: [8453] 8453,100 unequal: No Solution Exploring Operation: 107-79=28, Resulting Numbers: [28] 28,100 unequal: No Solution Exploring Operation: 79+107=186, Resulting Numbers: [186] 186,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[63, 71], Operations: ['79-16=63', '81-10=71'] Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 63*71=4473, Resulting Numbers: [4473] 4473,100 unequal: No Solution Exploring Operation: 63+71=134, Resulting Numbers: [134] 134,100 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 61, 93, 19, 83 ]
96
[ "93-61=32", "83-19=64", "32+64=96" ]
Current State: 96:[61, 93, 19, 83], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [19, 83, 32] Generated Node #2: [19, 83, 32] from Operation: 93-61=32 Current State: 96:[19, 83, 32], Operations: ['93-61=32'] Exploring Operation: 83-19=64, Resulting Numbers: [32, 64] Generated Node #3: [32, 64] from Operation: 83-19=64 Current State: 96:[32, 64], Operations: ['93-61=32', '83-19=64'] Exploring Operation: 32+64=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[61, 93, 19, 83], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [93, 19, 22] Generated Node #0,0: 96:[93, 19, 22] Operation: 83-61=22 Exploring Operation: 93-61=32, Resulting Numbers: [19, 83, 32] Generated Node #0,1: 96:[19, 83, 32] Operation: 93-61=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[93, 19, 22], Operations: ['83-61=22'] Exploring Operation: 22-19=3, Resulting Numbers: [93, 3] Generated Node #0,0,0: 96:[93, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [93, 41] Generated Node #0,0,1: 96:[93, 41] Operation: 19+22=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[93, 3], Operations: ['83-61=22', '22-19=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,96 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[61, 93, 19, 83], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [93, 19, 22] Generated Node #0,0: 96:[93, 19, 22] Operation: 83-61=22 Moving to Node #0,0 Current State: 96:[93, 19, 22], Operations: ['83-61=22'] Exploring Operation: 22-19=3, Resulting Numbers: [93, 3] Generated Node #0,0,0: 96:[93, 3] Operation: 22-19=3 Moving to Node #0,0,0 Current State: 96:[93, 3], Operations: ['83-61=22', '22-19=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 7, 82, 21, 71 ]
33
[ "21/7=3", "82-71=11", "3*11=33" ]
Current State: 33:[7, 82, 21, 71], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [82, 71, 3] Generated Node #2: [82, 71, 3] from Operation: 21/7=3 Current State: 33:[82, 71, 3], Operations: ['21/7=3'] Exploring Operation: 82-71=11, Resulting Numbers: [3, 11] Generated Node #3: [3, 11] from Operation: 82-71=11 Current State: 33:[3, 11], Operations: ['21/7=3', '82-71=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[7, 82, 21, 71], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [82, 71, 3] Generated Node #0,0: 33:[82, 71, 3] Operation: 21/7=3 Exploring Operation: 71-21=50, Resulting Numbers: [7, 82, 50] Generated Node #0,1: 33:[7, 82, 50] Operation: 71-21=50 Exploring Operation: 82-71=11, Resulting Numbers: [7, 21, 11] Generated Node #0,2: 33:[7, 21, 11] Operation: 82-71=11 Exploring Operation: 82-21=61, Resulting Numbers: [7, 71, 61] Generated Node #0,3: 33:[7, 71, 61] Operation: 82-21=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[7, 21, 11], Operations: ['82-71=11'] Exploring Operation: 7+21=28, Resulting Numbers: [11, 28] Generated Node #0,2,0: 33:[11, 28] Operation: 7+21=28 Exploring Operation: 21/7=3, Resulting Numbers: [11, 3] Generated Node #0,2,1: 33:[11, 3] Operation: 21/7=3 Exploring Operation: 21+11=32, Resulting Numbers: [7, 32] Generated Node #0,2,2: 33:[7, 32] Operation: 21+11=32 Exploring Operation: 21-7=14, Resulting Numbers: [11, 14] Generated Node #0,2,3: 33:[11, 14] Operation: 21-7=14 Moving to Node #0,2,1 Current State: 33:[11, 3], Operations: ['82-71=11', '21/7=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[7, 82, 21, 71], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [7, 21, 11] Generated Node #0,2: 33:[7, 21, 11] Operation: 82-71=11 Moving to Node #0,2 Current State: 33:[7, 21, 11], Operations: ['82-71=11'] Exploring Operation: 21/7=3, Resulting Numbers: [11, 3] Generated Node #0,2,1: 33:[11, 3] Operation: 21/7=3 Moving to Node #0,2,1 Current State: 33:[11, 3], Operations: ['82-71=11', '21/7=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 4, 95, 40, 39 ]
90
[ "95-4=91", "40-39=1", "91-1=90" ]
Current State: 90:[4, 95, 40, 39], Operations: [] Exploring Operation: 95-4=91, Resulting Numbers: [40, 39, 91] Generated Node #2: [40, 39, 91] from Operation: 95-4=91 Current State: 90:[40, 39, 91], Operations: ['95-4=91'] Exploring Operation: 40-39=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 40-39=1 Current State: 90:[91, 1], Operations: ['95-4=91', '40-39=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[4, 95, 40, 39], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [95, 39, 10] Generated Node #0,0: 90:[95, 39, 10] Operation: 40/4=10 Exploring Operation: 4+39=43, Resulting Numbers: [95, 40, 43] Generated Node #0,1: 90:[95, 40, 43] Operation: 4+39=43 Exploring Operation: 4+40=44, Resulting Numbers: [95, 39, 44] Generated Node #0,2: 90:[95, 39, 44] Operation: 4+40=44 Exploring Operation: 40-39=1, Resulting Numbers: [4, 95, 1] Generated Node #0,3: 90:[4, 95, 1] Operation: 40-39=1 Exploring Operation: 95-4=91, Resulting Numbers: [40, 39, 91] Generated Node #0,4: 90:[40, 39, 91] Operation: 95-4=91 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[4, 95, 1], Operations: ['40-39=1'] Exploring Operation: 95-4=91, Resulting Numbers: [1, 91] Generated Node #0,3,0: 90:[1, 91] Operation: 95-4=91 Exploring Operation: 4*1=4, Resulting Numbers: [95, 4] Generated Node #0,3,1: 90:[95, 4] Operation: 4*1=4 Exploring Operation: 95-1=94, Resulting Numbers: [4, 94] Generated Node #0,3,2: 90:[4, 94] Operation: 95-1=94 Exploring Operation: 4+1=5, Resulting Numbers: [95, 5] Generated Node #0,3,3: 90:[95, 5] Operation: 4+1=5 Exploring Operation: 4-1=3, Resulting Numbers: [95, 3] Generated Node #0,3,4: 90:[95, 3] Operation: 4-1=3 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[1, 91], Operations: ['40-39=1', '95-4=91'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[4, 95, 40, 39], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [4, 95, 1] Generated Node #0,3: 90:[4, 95, 1] Operation: 40-39=1 Moving to Node #0,3 Current State: 90:[4, 95, 1], Operations: ['40-39=1'] Exploring Operation: 95-4=91, Resulting Numbers: [1, 91] Generated Node #0,3,0: 90:[1, 91] Operation: 95-4=91 Moving to Node #0,3,0 Current State: 90:[1, 91], Operations: ['40-39=1', '95-4=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 54, 2, 35, 15 ]
37
[ "54+35=89", "89-15=74", "74/2=37" ]
Current State: 37:[54, 2, 35, 15], Operations: [] Exploring Operation: 54+35=89, Resulting Numbers: [2, 15, 89] Generated Node #2: [2, 15, 89] from Operation: 54+35=89 Current State: 37:[2, 15, 89], Operations: ['54+35=89'] Exploring Operation: 89-15=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 89-15=74 Current State: 37:[2, 74], Operations: ['54+35=89', '89-15=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[54, 2, 35, 15], Operations: [] Exploring Operation: 2+35=37, Resulting Numbers: [54, 15, 37] Generated Node #0,0: 37:[54, 15, 37] Operation: 2+35=37 Exploring Operation: 2*15=30, Resulting Numbers: [54, 35, 30] Generated Node #0,1: 37:[54, 35, 30] Operation: 2*15=30 Exploring Operation: 54-2=52, Resulting Numbers: [35, 15, 52] Generated Node #0,2: 37:[35, 15, 52] Operation: 54-2=52 Exploring Operation: 54/2=27, Resulting Numbers: [35, 15, 27] Generated Node #0,3: 37:[35, 15, 27] Operation: 54/2=27 Exploring Operation: 54-15=39, Resulting Numbers: [2, 35, 39] Generated Node #0,4: 37:[2, 35, 39] Operation: 54-15=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[54, 35, 30], Operations: ['2*15=30'] Exploring Operation: 35-30=5, Resulting Numbers: [54, 5] Generated Node #0,1,0: 37:[54, 5] Operation: 35-30=5 Exploring Operation: 54-30=24, Resulting Numbers: [35, 24] Generated Node #0,1,1: 37:[35, 24] Operation: 54-30=24 Exploring Operation: 54+30=84, Resulting Numbers: [35, 84] Generated Node #0,1,2: 37:[35, 84] Operation: 54+30=84 Exploring Operation: 54-35=19, Resulting Numbers: [30, 19] Generated Node #0,1,3: 37:[30, 19] Operation: 54-35=19 Exploring Operation: 35+30=65, Resulting Numbers: [54, 65] Generated Node #0,1,4: 37:[54, 65] Operation: 35+30=65 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[35, 24], Operations: ['2*15=30', '54-30=24'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 35*24=840, Resulting Numbers: [840] 840,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 37:[30, 19], Operations: ['2*15=30', '54-35=19'] Exploring Operation: 30*19=570, Resulting Numbers: [570] 570,37 unequal: No Solution Exploring Operation: 30+19=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 37:[54, 65], Operations: ['2*15=30', '35+30=65'] Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,37 unequal: No Solution Exploring Operation: 54*65=3510, Resulting Numbers: [3510] 3510,37 unequal: No Solution Exploring Operation: 54+65=119, Resulting Numbers: [119] 119,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[54, 5], Operations: ['2*15=30', '35-30=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 54+5=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 54*5=270, Resulting Numbers: [270] 270,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[35, 84], Operations: ['2*15=30', '54+30=84'] Exploring Operation: 35+84=119, Resulting Numbers: [119] 119,37 unequal: No Solution Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,37 unequal: No Solution Exploring Operation: 35*84=2940, Resulting Numbers: [2940] 2940,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[35, 15, 27], Operations: ['54/2=27'] Exploring Operation: 15+27=42, Resulting Numbers: [35, 42] Generated Node #0,3,0: 37:[35, 42] Operation: 15+27=42 Exploring Operation: 35-15=20, Resulting Numbers: [27, 20] Generated Node #0,3,1: 37:[27, 20] Operation: 35-15=20 Exploring Operation: 35+15=50, Resulting Numbers: [27, 50] Generated Node #0,3,2: 37:[27, 50] Operation: 35+15=50 Exploring Operation: 35+27=62, Resulting Numbers: [15, 62] Generated Node #0,3,3: 37:[15, 62] Operation: 35+27=62 Exploring Operation: 27-15=12, Resulting Numbers: [35, 12] Generated Node #0,3,4: 37:[35, 12] Operation: 27-15=12 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 37:[35, 42], Operations: ['54/2=27', '15+27=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 37:[27, 50], Operations: ['54/2=27', '35+15=50'] Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,37 unequal: No Solution Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 37:[27, 20], Operations: ['54/2=27', '35-15=20'] Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 27*20=540, Resulting Numbers: [540] 540,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 37:[35, 12], Operations: ['54/2=27', '27-15=12'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,37 unequal: No Solution Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,37 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 37:[15, 62], Operations: ['54/2=27', '35+27=62'] Exploring Operation: 15*62=930, Resulting Numbers: [930] 930,37 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 15+62=77, Resulting Numbers: [77] 77,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[54, 15, 37], Operations: ['2+35=37'] Exploring Operation: 15+37=52, Resulting Numbers: [54, 52] Generated Node #0,0,0: 37:[54, 52] Operation: 15+37=52 Exploring Operation: 54-37=17, Resulting Numbers: [15, 17] Generated Node #0,0,1: 37:[15, 17] Operation: 54-37=17 Exploring Operation: 37-15=22, Resulting Numbers: [54, 22] Generated Node #0,0,2: 37:[54, 22] Operation: 37-15=22 Exploring Operation: 54-15=39, Resulting Numbers: [37, 39] Generated Node #0,0,3: 37:[37, 39] Operation: 54-15=39 Exploring Operation: 54+15=69, Resulting Numbers: [37, 69] Generated Node #0,0,4: 37:[37, 69] Operation: 54+15=69 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 37:[37, 39], Operations: ['2+35=37', '54-15=39'] Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,37 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[54, 52], Operations: ['2+35=37', '15+37=52'] Exploring Operation: 54*52=2808, Resulting Numbers: [2808] 2808,37 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 54+52=106, Resulting Numbers: [106] 106,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[54, 22], Operations: ['2+35=37', '37-15=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 37:[37, 69], Operations: ['2+35=37', '54+15=69'] Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,37 unequal: No Solution Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,37 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[15, 17], Operations: ['2+35=37', '54-37=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,37 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[35, 15, 52], Operations: ['54-2=52'] Exploring Operation: 15+52=67, Resulting Numbers: [35, 67] Generated Node #0,2,0: 37:[35, 67] Operation: 15+52=67 Exploring Operation: 35+15=50, Resulting Numbers: [52, 50] Generated Node #0,2,1: 37:[52, 50] Operation: 35+15=50 Exploring Operation: 52-15=37, Resulting Numbers: [35, 37] Generated Node #0,2,2: 37:[35, 37] Operation: 52-15=37 Exploring Operation: 35-15=20, Resulting Numbers: [52, 20] Generated Node #0,2,3: 37:[52, 20] Operation: 35-15=20 Exploring Operation: 52-35=17, Resulting Numbers: [15, 17] Generated Node #0,2,4: 37:[15, 17] Operation: 52-35=17 Moving to Node #0,2,2 Current State: 37:[35, 37], Operations: ['54-2=52', '52-15=37'] Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,37 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[52, 50], Operations: ['54-2=52', '35+15=50'] Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,37 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[35, 67], Operations: ['54-2=52', '15+52=67'] Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 35*67=2345, Resulting Numbers: [2345] 2345,37 unequal: No Solution Exploring Operation: 35+67=102, Resulting Numbers: [102] 102,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[52, 20], Operations: ['54-2=52', '35-15=20'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 52*20=1040, Resulting Numbers: [1040] 1040,37 unequal: No Solution Moving to Node #0,2,4 Current State: 37:[15, 17], Operations: ['54-2=52', '52-35=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,37 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 37:[2, 35, 39], Operations: ['54-15=39'] Exploring Operation: 2+35=37, Resulting Numbers: [39, 37] Generated Node #0,4,0: 37:[39, 37] Operation: 2+35=37 Exploring Operation: 2+39=41, Resulting Numbers: [35, 41] Generated Node #0,4,1: 37:[35, 41] Operation: 2+39=41 Exploring Operation: 2*35=70, Resulting Numbers: [39, 70] Generated Node #0,4,2: 37:[39, 70] Operation: 2*35=70 Exploring Operation: 35-2=33, Resulting Numbers: [39, 33] Generated Node #0,4,3: 37:[39, 33] Operation: 35-2=33 Exploring Operation: 39-2=37, Resulting Numbers: [35, 37] Generated Node #0,4,4: 37:[35, 37] Operation: 39-2=37 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 37:[39, 37], Operations: ['54-15=39', '2+35=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,37 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 37:[35, 37], Operations: ['54-15=39', '39-2=37'] Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,37 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 37:[35, 41], Operations: ['54-15=39', '2+39=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,37 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 35*41=1435, Resulting Numbers: [1435] 1435,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 37:[39, 33], Operations: ['54-15=39', '35-2=33'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,37 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 37:[39, 70], Operations: ['54-15=39', '2*35=70'] Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,37 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 25, 96, 56, 84 ]
32
[ "25+56=81", "84-81=3", "96/3=32" ]
Current State: 32:[25, 96, 56, 84], Operations: [] Exploring Operation: 25+56=81, Resulting Numbers: [96, 84, 81] Generated Node #2: [96, 84, 81] from Operation: 25+56=81 Current State: 32:[96, 84, 81], Operations: ['25+56=81'] Exploring Operation: 84-81=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 84-81=3 Current State: 32:[96, 3], Operations: ['25+56=81', '84-81=3'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[25, 96, 56, 84], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [25, 56, 12] Generated Node #0,0: 32:[25, 56, 12] Operation: 96-84=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[25, 56, 12], Operations: ['96-84=12'] Exploring Operation: 56-25=31, Resulting Numbers: [12, 31] Generated Node #0,0,0: 32:[12, 31] Operation: 56-25=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[12, 31], Operations: ['96-84=12', '56-25=31'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,32 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
[ 18, 39, 31, 15 ]
73
[ "18+39=57", "31-15=16", "57+16=73" ]
Current State: 73:[18, 39, 31, 15], Operations: [] Exploring Operation: 18+39=57, Resulting Numbers: [31, 15, 57] Generated Node #2: [31, 15, 57] from Operation: 18+39=57 Current State: 73:[31, 15, 57], Operations: ['18+39=57'] Exploring Operation: 31-15=16, Resulting Numbers: [57, 16] Generated Node #3: [57, 16] from Operation: 31-15=16 Current State: 73:[57, 16], Operations: ['18+39=57', '31-15=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[18, 39, 31, 15], Operations: [] Exploring Operation: 18+39=57, Resulting Numbers: [31, 15, 57] Generated Node #0,0: 73:[31, 15, 57] Operation: 18+39=57 Exploring Operation: 39+31=70, Resulting Numbers: [18, 15, 70] Generated Node #0,1: 73:[18, 15, 70] Operation: 39+31=70 Exploring Operation: 18+31=49, Resulting Numbers: [39, 15, 49] Generated Node #0,2: 73:[39, 15, 49] Operation: 18+31=49 Exploring Operation: 18+15=33, Resulting Numbers: [39, 31, 33] Generated Node #0,3: 73:[39, 31, 33] Operation: 18+15=33 Moving to Node #0,0 Current State: 73:[31, 15, 57], Operations: ['18+39=57'] Exploring Operation: 15+57=72, Resulting Numbers: [31, 72] Generated Node #0,0,0: 73:[31, 72] Operation: 15+57=72 Exploring Operation: 31+57=88, Resulting Numbers: [15, 88] Generated Node #0,0,1: 73:[15, 88] Operation: 31+57=88 Exploring Operation: 31+15=46, Resulting Numbers: [57, 46] Generated Node #0,0,2: 73:[57, 46] Operation: 31+15=46 Exploring Operation: 31-15=16, Resulting Numbers: [57, 16] Generated Node #0,0,3: 73:[57, 16] Operation: 31-15=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[31, 72], Operations: ['18+39=57', '15+57=72'] Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 31+72=103, Resulting Numbers: [103] 103,73 unequal: No Solution Exploring Operation: 31*72=2232, Resulting Numbers: [2232] 2232,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[57, 46], Operations: ['18+39=57', '31+15=46'] Exploring Operation: 57+46=103, Resulting Numbers: [103] 103,73 unequal: No Solution Exploring Operation: 57*46=2622, Resulting Numbers: [2622] 2622,73 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[15, 88], Operations: ['18+39=57', '31+57=88'] Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[18, 39, 31, 15], Operations: [] Exploring Operation: 18+39=57, Resulting Numbers: [31, 15, 57] Generated Node #0,0: 73:[31, 15, 57] Operation: 18+39=57 Moving to Node #0,0 Current State: 73:[31, 15, 57], Operations: ['18+39=57'] Exploring Operation: 31+57=88, Resulting Numbers: [15, 88] Generated Node #0,0,1: 73:[15, 88] Operation: 31+57=88 Moving to Node #0,0,1 Current State: 73:[15, 88], Operations: ['18+39=57', '31+57=88'] Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 76, 45, 73, 50 ]
54
[ "76-45=31", "73-50=23", "31+23=54" ]
Current State: 54:[76, 45, 73, 50], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [73, 50, 31] Generated Node #2: [73, 50, 31] from Operation: 76-45=31 Current State: 54:[73, 50, 31], Operations: ['76-45=31'] Exploring Operation: 73-50=23, Resulting Numbers: [31, 23] Generated Node #3: [31, 23] from Operation: 73-50=23 Current State: 54:[31, 23], Operations: ['76-45=31', '73-50=23'] Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[76, 45, 73, 50], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [73, 50, 31] Generated Node #0,0: 54:[73, 50, 31] Operation: 76-45=31 Exploring Operation: 76-73=3, Resulting Numbers: [45, 50, 3] Generated Node #0,1: 54:[45, 50, 3] Operation: 76-73=3 Moving to Node #0,1 Current State: 54:[45, 50, 3], Operations: ['76-73=3'] Exploring Operation: 50-45=5, Resulting Numbers: [3, 5] Generated Node #0,1,0: 54:[3, 5] Operation: 50-45=5 Exploring Operation: 45/3=15, Resulting Numbers: [50, 15] Generated Node #0,1,1: 54:[50, 15] Operation: 45/3=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[3, 5], Operations: ['76-73=3', '50-45=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[50, 15], Operations: ['76-73=3', '45/3=15'] Exploring Operation: 50+15=65, Resulting Numbers: [65] 65,54 unequal: No Solution Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,54 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: 54:[73, 50, 31], Operations: ['76-45=31'] Exploring Operation: 73-50=23, Resulting Numbers: [31, 23] Generated Node #0,0,0: 54:[31, 23] Operation: 73-50=23 Exploring Operation: 73-31=42, Resulting Numbers: [50, 42] Generated Node #0,0,1: 54:[50, 42] Operation: 73-31=42 Moving to Node #0,0,0 Current State: 54:[31, 23], Operations: ['76-45=31', '73-50=23'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[76, 45, 73, 50], Operations: [] Exploring Operation: 76-45=31, Resulting Numbers: [73, 50, 31] Generated Node #0,0: 54:[73, 50, 31] Operation: 76-45=31 Moving to Node #0,0 Current State: 54:[73, 50, 31], Operations: ['76-45=31'] Exploring Operation: 73-50=23, Resulting Numbers: [31, 23] Generated Node #0,0,0: 54:[31, 23] Operation: 73-50=23 Moving to Node #0,0,0 Current State: 54:[31, 23], Operations: ['76-45=31', '73-50=23'] Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 16, 46, 80, 21 ]
89
[ "46-16=30", "80-21=59", "30+59=89" ]
Current State: 89:[16, 46, 80, 21], Operations: [] Exploring Operation: 46-16=30, Resulting Numbers: [80, 21, 30] Generated Node #2: [80, 21, 30] from Operation: 46-16=30 Current State: 89:[80, 21, 30], Operations: ['46-16=30'] Exploring Operation: 80-21=59, Resulting Numbers: [30, 59] Generated Node #3: [30, 59] from Operation: 80-21=59 Current State: 89:[30, 59], Operations: ['46-16=30', '80-21=59'] Exploring Operation: 30+59=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[16, 46, 80, 21], Operations: [] Exploring Operation: 16+80=96, Resulting Numbers: [46, 21, 96] Generated Node #0,0: 89:[46, 21, 96] Operation: 16+80=96 Exploring Operation: 16+46=62, Resulting Numbers: [80, 21, 62] Generated Node #0,1: 89:[80, 21, 62] Operation: 16+46=62 Exploring Operation: 46+21=67, Resulting Numbers: [16, 80, 67] Generated Node #0,2: 89:[16, 80, 67] Operation: 46+21=67 Exploring Operation: 16+21=37, Resulting Numbers: [46, 80, 37] Generated Node #0,3: 89:[46, 80, 37] Operation: 16+21=37 Moving to Node #0,1 Current State: 89:[80, 21, 62], Operations: ['16+46=62'] Exploring Operation: 62-21=41, Resulting Numbers: [80, 41] Generated Node #0,1,0: 89:[80, 41] Operation: 62-21=41 Exploring Operation: 80+21=101, Resulting Numbers: [62, 101] Generated Node #0,1,1: 89:[62, 101] Operation: 80+21=101 Exploring Operation: 80-21=59, Resulting Numbers: [62, 59] Generated Node #0,1,2: 89:[62, 59] Operation: 80-21=59 Exploring Operation: 21+62=83, Resulting Numbers: [80, 83] Generated Node #0,1,3: 89:[80, 83] Operation: 21+62=83 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[80, 83], Operations: ['16+46=62', '21+62=83'] Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,89 unequal: No Solution Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[62, 101], Operations: ['16+46=62', '80+21=101'] Exploring Operation: 101-62=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 62+101=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 62*101=6262, Resulting Numbers: [6262] 6262,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[80, 41], Operations: ['16+46=62', '62-21=41'] Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,89 unequal: No Solution Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,89 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[62, 59], Operations: ['16+46=62', '80-21=59'] Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,89 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,89 unequal: No Solution Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 89:[46, 80, 37], Operations: ['16+21=37'] Exploring Operation: 46-37=9, Resulting Numbers: [80, 9] Generated Node #0,3,0: 89:[80, 9] Operation: 46-37=9 Exploring Operation: 80+37=117, Resulting Numbers: [46, 117] Generated Node #0,3,1: 89:[46, 117] Operation: 80+37=117 Exploring Operation: 46+80=126, Resulting Numbers: [37, 126] Generated Node #0,3,2: 89:[37, 126] Operation: 46+80=126 Exploring Operation: 46+37=83, Resulting Numbers: [80, 83] Generated Node #0,3,3: 89:[80, 83] Operation: 46+37=83 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 89:[80, 83], Operations: ['16+21=37', '46+37=83'] Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,89 unequal: No Solution Exploring Operation: 80+83=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 80*83=6640, Resulting Numbers: [6640] 6640,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 89:[46, 117], Operations: ['16+21=37', '80+37=117'] Exploring Operation: 46*117=5382, Resulting Numbers: [5382] 5382,89 unequal: No Solution Exploring Operation: 46+117=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 117-46=71, Resulting Numbers: [71] 71,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 89:[80, 9], Operations: ['16+21=37', '46-37=9'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,89 unequal: No Solution Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[16, 46, 80, 21], Operations: [] Exploring Operation: 16+21=37, Resulting Numbers: [46, 80, 37] Generated Node #0,3: 89:[46, 80, 37] Operation: 16+21=37 Moving to Node #0,3 Current State: 89:[46, 80, 37], Operations: ['16+21=37'] Exploring Operation: 46-37=9, Resulting Numbers: [80, 9] Generated Node #0,3,0: 89:[80, 9] Operation: 46-37=9 Moving to Node #0,3,0 Current State: 89:[80, 9], Operations: ['16+21=37', '46-37=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 52, 13, 70, 2 ]
68
[ "52/13=4", "70+2=72", "72-4=68" ]
Current State: 68:[52, 13, 70, 2], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [70, 2, 4] Generated Node #2: [70, 2, 4] from Operation: 52/13=4 Current State: 68:[70, 2, 4], Operations: ['52/13=4'] Exploring Operation: 70+2=72, Resulting Numbers: [4, 72] Generated Node #3: [4, 72] from Operation: 70+2=72 Current State: 68:[4, 72], Operations: ['52/13=4', '70+2=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[52, 13, 70, 2], Operations: [] Exploring Operation: 70-52=18, Resulting Numbers: [13, 2, 18] Generated Node #0,0: 68:[13, 2, 18] Operation: 70-52=18 Exploring Operation: 52/13=4, Resulting Numbers: [70, 2, 4] Generated Node #0,1: 68:[70, 2, 4] Operation: 52/13=4 Exploring Operation: 52+13=65, Resulting Numbers: [70, 2, 65] Generated Node #0,2: 68:[70, 2, 65] Operation: 52+13=65 Exploring Operation: 52-13=39, Resulting Numbers: [70, 2, 39] Generated Node #0,3: 68:[70, 2, 39] Operation: 52-13=39 Exploring Operation: 52/2=26, Resulting Numbers: [13, 70, 26] Generated Node #0,4: 68:[13, 70, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[70, 2, 4], Operations: ['52/13=4'] Exploring Operation: 4/2=2, Resulting Numbers: [70, 2] Generated Node #0,1,0: 68:[70, 2] Operation: 4/2=2 Exploring Operation: 70/2=35, Resulting Numbers: [4, 35] Generated Node #0,1,1: 68:[4, 35] Operation: 70/2=35 Exploring Operation: 4-2=2, Resulting Numbers: [70, 2] Generated Node #0,1,2: 68:[70, 2] Operation: 4-2=2 Exploring Operation: 70-4=66, Resulting Numbers: [2, 66] Generated Node #0,1,3: 68:[2, 66] Operation: 70-4=66 Exploring Operation: 70-2=68, Resulting Numbers: [4, 68] Generated Node #0,1,4: 68:[4, 68] Operation: 70-2=68 Moving to Node #0,1,4 Current State: 68:[4, 68], Operations: ['52/13=4', '70-2=68'] Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,68 unequal: No Solution Exploring Operation: 4*68=272, Resulting Numbers: [272] 272,68 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[4, 35], Operations: ['52/13=4', '70/2=35'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,68 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[70, 2], Operations: ['52/13=4', '4/2=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[52, 13, 70, 2], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [70, 2, 4] Generated Node #0,1: 68:[70, 2, 4] Operation: 52/13=4 Moving to Node #0,1 Current State: 68:[70, 2, 4], Operations: ['52/13=4'] Exploring Operation: 4/2=2, Resulting Numbers: [70, 2] Generated Node #0,1,0: 68:[70, 2] Operation: 4/2=2 Moving to Node #0,1,0 Current State: 68:[70, 2], Operations: ['52/13=4', '4/2=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 16, 82, 75, 70 ]
93
[ "16+82=98", "75-70=5", "98-5=93" ]
Current State: 93:[16, 82, 75, 70], Operations: [] Exploring Operation: 16+82=98, Resulting Numbers: [75, 70, 98] Generated Node #2: [75, 70, 98] from Operation: 16+82=98 Current State: 93:[75, 70, 98], Operations: ['16+82=98'] Exploring Operation: 75-70=5, Resulting Numbers: [98, 5] Generated Node #3: [98, 5] from Operation: 75-70=5 Current State: 93:[98, 5], Operations: ['16+82=98', '75-70=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[16, 82, 75, 70], Operations: [] Exploring Operation: 16+70=86, Resulting Numbers: [82, 75, 86] Generated Node #0,0: 93:[82, 75, 86] Operation: 16+70=86 Exploring Operation: 75-70=5, Resulting Numbers: [16, 82, 5] Generated Node #0,1: 93:[16, 82, 5] Operation: 75-70=5 Exploring Operation: 82-75=7, Resulting Numbers: [16, 70, 7] Generated Node #0,2: 93:[16, 70, 7] Operation: 82-75=7 Exploring Operation: 16+75=91, Resulting Numbers: [82, 70, 91] Generated Node #0,3: 93:[82, 70, 91] Operation: 16+75=91 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[16, 82, 5], Operations: ['75-70=5'] Exploring Operation: 16-5=11, Resulting Numbers: [82, 11] Generated Node #0,1,0: 93:[82, 11] Operation: 16-5=11 Exploring Operation: 16+82=98, Resulting Numbers: [5, 98] Generated Node #0,1,1: 93:[5, 98] Operation: 16+82=98 Exploring Operation: 16+5=21, Resulting Numbers: [82, 21] Generated Node #0,1,2: 93:[82, 21] Operation: 16+5=21 Exploring Operation: 82+5=87, Resulting Numbers: [16, 87] Generated Node #0,1,3: 93:[16, 87] Operation: 82+5=87 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[5, 98], Operations: ['75-70=5', '16+82=98'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[16, 82, 75, 70], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [16, 82, 5] Generated Node #0,1: 93:[16, 82, 5] Operation: 75-70=5 Moving to Node #0,1 Current State: 93:[16, 82, 5], Operations: ['75-70=5'] Exploring Operation: 16+82=98, Resulting Numbers: [5, 98] Generated Node #0,1,1: 93:[5, 98] Operation: 16+82=98 Moving to Node #0,1,1 Current State: 93:[5, 98], Operations: ['75-70=5', '16+82=98'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 90, 28, 10, 70 ]
86
[ "28*10=280", "280/70=4", "90-4=86" ]
Current State: 86:[90, 28, 10, 70], Operations: [] Exploring Operation: 28*10=280, Resulting Numbers: [90, 70, 280] Generated Node #2: [90, 70, 280] from Operation: 28*10=280 Current State: 86:[90, 70, 280], Operations: ['28*10=280'] Exploring Operation: 280/70=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 280/70=4 Current State: 86:[90, 4], Operations: ['28*10=280', '280/70=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[90, 28, 10, 70], Operations: [] Exploring Operation: 70-28=42, Resulting Numbers: [90, 10, 42] Generated Node #0,0: 86:[90, 10, 42] Operation: 70-28=42 Exploring Operation: 28+70=98, Resulting Numbers: [90, 10, 98] Generated Node #0,1: 86:[90, 10, 98] Operation: 28+70=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[90, 10, 42], Operations: ['70-28=42'] Exploring Operation: 90/10=9, Resulting Numbers: [42, 9] Generated Node #0,0,0: 86:[42, 9] Operation: 90/10=9 Exploring Operation: 90-10=80, Resulting Numbers: [42, 80] Generated Node #0,0,1: 86:[42, 80] Operation: 90-10=80 Moving to Node #0,0,1 Current State: 86:[42, 80], Operations: ['70-28=42', '90-10=80'] Exploring Operation: 42+80=122, Resulting Numbers: [122] 122,86 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[42, 9], Operations: ['70-28=42', '90/10=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,86 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[90, 10, 98], Operations: ['28+70=98'] Exploring Operation: 98-90=8, Resulting Numbers: [10, 8] Generated Node #0,1,0: 86:[10, 8] Operation: 98-90=8 Exploring Operation: 98-10=88, Resulting Numbers: [90, 88] Generated Node #0,1,1: 86:[90, 88] Operation: 98-10=88 Moving to Node #0,1,1 Current State: 86:[90, 88], Operations: ['28+70=98', '98-10=88'] Exploring Operation: 90+88=178, Resulting Numbers: [178] 178,86 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[10, 8], Operations: ['28+70=98', '98-90=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,86 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 71, 17, 23, 86 ]
21
[ "71+17=88", "23+86=109", "109-88=21" ]
Current State: 21:[71, 17, 23, 86], Operations: [] Exploring Operation: 71+17=88, Resulting Numbers: [23, 86, 88] Generated Node #2: [23, 86, 88] from Operation: 71+17=88 Current State: 21:[23, 86, 88], Operations: ['71+17=88'] Exploring Operation: 23+86=109, Resulting Numbers: [88, 109] Generated Node #3: [88, 109] from Operation: 23+86=109 Current State: 21:[88, 109], Operations: ['71+17=88', '23+86=109'] Exploring Operation: 109-88=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[71, 17, 23, 86], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [17, 23, 15] Generated Node #0,0: 21:[17, 23, 15] Operation: 86-71=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[17, 23, 15], Operations: ['86-71=15'] Exploring Operation: 17-15=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 21:[23, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 21:[23, 2], Operations: ['86-71=15', '17-15=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[71, 17, 23, 86], Operations: [] Exploring Operation: 86-71=15, Resulting Numbers: [17, 23, 15] Generated Node #0,0: 21:[17, 23, 15] Operation: 86-71=15 Moving to Node #0,0 Current State: 21:[17, 23, 15], Operations: ['86-71=15'] Exploring Operation: 17-15=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 21:[23, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 21:[23, 2], Operations: ['86-71=15', '17-15=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 11, 8, 32, 23 ]
97
[ "11*8=88", "32-23=9", "88+9=97" ]
Current State: 97:[11, 8, 32, 23], Operations: [] Exploring Operation: 11*8=88, Resulting Numbers: [32, 23, 88] Generated Node #2: [32, 23, 88] from Operation: 11*8=88 Current State: 97:[32, 23, 88], Operations: ['11*8=88'] Exploring Operation: 32-23=9, Resulting Numbers: [88, 9] Generated Node #3: [88, 9] from Operation: 32-23=9 Current State: 97:[88, 9], Operations: ['11*8=88', '32-23=9'] Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[11, 8, 32, 23], Operations: [] Exploring Operation: 8+32=40, Resulting Numbers: [11, 23, 40] Generated Node #0,0: 97:[11, 23, 40] Operation: 8+32=40 Exploring Operation: 11+32=43, Resulting Numbers: [8, 23, 43] Generated Node #0,1: 97:[8, 23, 43] Operation: 11+32=43 Exploring Operation: 11+8=19, Resulting Numbers: [32, 23, 19] Generated Node #0,2: 97:[32, 23, 19] Operation: 11+8=19 Exploring Operation: 11+23=34, Resulting Numbers: [8, 32, 34] Generated Node #0,3: 97:[8, 32, 34] Operation: 11+23=34 Exploring Operation: 11*8=88, Resulting Numbers: [32, 23, 88] Generated Node #0,4: 97:[32, 23, 88] Operation: 11*8=88 Moving to Node #0,4 Current State: 97:[32, 23, 88], Operations: ['11*8=88'] Exploring Operation: 23+88=111, Resulting Numbers: [32, 111] Generated Node #0,4,0: 97:[32, 111] Operation: 23+88=111 Exploring Operation: 88-23=65, Resulting Numbers: [32, 65] Generated Node #0,4,1: 97:[32, 65] Operation: 88-23=65 Exploring Operation: 32+23=55, Resulting Numbers: [88, 55] Generated Node #0,4,2: 97:[88, 55] Operation: 32+23=55 Exploring Operation: 32-23=9, Resulting Numbers: [88, 9] Generated Node #0,4,3: 97:[88, 9] Operation: 32-23=9 Exploring Operation: 32+88=120, Resulting Numbers: [23, 120] Generated Node #0,4,4: 97:[23, 120] Operation: 32+88=120 Moving to Node #0,1 Current State: 97:[8, 23, 43], Operations: ['11+32=43'] Exploring Operation: 8+23=31, Resulting Numbers: [43, 31] Generated Node #0,1,0: 97:[43, 31] Operation: 8+23=31 Exploring Operation: 43-8=35, Resulting Numbers: [23, 35] Generated Node #0,1,1: 97:[23, 35] Operation: 43-8=35 Exploring Operation: 23+43=66, Resulting Numbers: [8, 66] Generated Node #0,1,2: 97:[8, 66] Operation: 23+43=66 Exploring Operation: 8+43=51, Resulting Numbers: [23, 51] Generated Node #0,1,3: 97:[23, 51] Operation: 8+43=51 Exploring Operation: 23-8=15, Resulting Numbers: [43, 15] Generated Node #0,1,4: 97:[43, 15] Operation: 23-8=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[43, 31], Operations: ['11+32=43', '8+23=31'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,97 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[8, 66], Operations: ['11+32=43', '23+43=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,97 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[23, 51], Operations: ['11+32=43', '8+43=51'] Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,97 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[23, 35], Operations: ['11+32=43', '43-8=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,97 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 97:[43, 15], Operations: ['11+32=43', '23-8=15'] Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,97 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: 97:[8, 32, 34], Operations: ['11+23=34'] Exploring Operation: 8+32=40, Resulting Numbers: [34, 40] Generated Node #0,3,0: 97:[34, 40] Operation: 8+32=40 Exploring Operation: 34-8=26, Resulting Numbers: [32, 26] Generated Node #0,3,1: 97:[32, 26] Operation: 34-8=26 Exploring Operation: 32+34=66, Resulting Numbers: [8, 66] Generated Node #0,3,2: 97:[8, 66] Operation: 32+34=66 Exploring Operation: 8+34=42, Resulting Numbers: [32, 42] Generated Node #0,3,3: 97:[32, 42] Operation: 8+34=42 Exploring Operation: 32-8=24, Resulting Numbers: [34, 24] Generated Node #0,3,4: 97:[34, 24] Operation: 32-8=24 Moving to Node #0,0 Current State: 97:[11, 23, 40], Operations: ['8+32=40'] Exploring Operation: 23-11=12, Resulting Numbers: [40, 12] Generated Node #0,0,0: 97:[40, 12] Operation: 23-11=12 Exploring Operation: 23+40=63, Resulting Numbers: [11, 63] Generated Node #0,0,1: 97:[11, 63] Operation: 23+40=63 Exploring Operation: 40-11=29, Resulting Numbers: [23, 29] Generated Node #0,0,2: 97:[23, 29] Operation: 40-11=29 Exploring Operation: 11+40=51, Resulting Numbers: [23, 51] Generated Node #0,0,3: 97:[23, 51] Operation: 11+40=51 Exploring Operation: 11+23=34, Resulting Numbers: [40, 34] Generated Node #0,0,4: 97:[40, 34] Operation: 11+23=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[11, 63], Operations: ['8+32=40', '23+40=63'] Exploring Operation: 11*63=693, Resulting Numbers: [693] 693,97 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 11+63=74, Resulting Numbers: [74] 74,97 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:[23, 51], Operations: ['8+32=40', '11+40=51'] Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,97 unequal: No Solution Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,97 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,97 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 #0,0,4 Current State: 97:[40, 34], Operations: ['8+32=40', '11+23=34'] Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,97 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,97 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,97 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 #0,0,0 Current State: 97:[40, 12], Operations: ['8+32=40', '23-11=12'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,97 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,97 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:[23, 29], Operations: ['8+32=40', '40-11=29'] Exploring Operation: 23*29=667, Resulting Numbers: [667] 667,97 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,97 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:[32, 23, 19], Operations: ['11+8=19'] Exploring Operation: 23+19=42, Resulting Numbers: [32, 42] Generated Node #0,2,0: 97:[32, 42] Operation: 23+19=42 Exploring Operation: 23-19=4, Resulting Numbers: [32, 4] Generated Node #0,2,1: 97:[32, 4] Operation: 23-19=4 Exploring Operation: 32-19=13, Resulting Numbers: [23, 13] Generated Node #0,2,2: 97:[23, 13] Operation: 32-19=13 Exploring Operation: 32+19=51, Resulting Numbers: [23, 51] Generated Node #0,2,3: 97:[23, 51] Operation: 32+19=51 Exploring Operation: 32+23=55, Resulting Numbers: [19, 55] Generated Node #0,2,4: 97:[19, 55] Operation: 32+23=55 Moving to Node #0,4,2 Current State: 97:[88, 55], Operations: ['11*8=88', '32+23=55'] Exploring Operation: 88+55=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 88*55=4840, Resulting Numbers: [4840] 4840,97 unequal: No Solution Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[32, 111], Operations: ['11*8=88', '23+88=111'] Exploring Operation: 111-32=79, Resulting Numbers: [79] 79,97 unequal: No Solution Exploring Operation: 32*111=3552, Resulting Numbers: [3552] 3552,97 unequal: No Solution Exploring Operation: 32+111=143, Resulting Numbers: [143] 143,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[32, 65], Operations: ['11*8=88', '88-23=65'] Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,97 unequal: No Solution Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[11, 8, 32, 23], Operations: [] Exploring Operation: 11*8=88, Resulting Numbers: [32, 23, 88] Generated Node #0,4: 97:[32, 23, 88] Operation: 11*8=88 Moving to Node #0,4 Current State: 97:[32, 23, 88], Operations: ['11*8=88'] Exploring Operation: 88-23=65, Resulting Numbers: [32, 65] Generated Node #0,4,1: 97:[32, 65] Operation: 88-23=65 Moving to Node #0,4,1 Current State: 97:[32, 65], Operations: ['11*8=88', '88-23=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.9375
hs_5
mult_heuristic
[ 66, 28, 28, 85 ]
85
[ "28-28=0", "66*0=0", "85+0=85" ]
Current State: 85:[66, 28, 28, 85], Operations: [] Exploring Operation: 28-28=0, Resulting Numbers: [66, 85, 0] Generated Node #2: [66, 85, 0] from Operation: 28-28=0 Current State: 85:[66, 85, 0], Operations: ['28-28=0'] Exploring Operation: 66*0=0, Resulting Numbers: [85, 0] Generated Node #3: [85, 0] from Operation: 66*0=0 Current State: 85:[85, 0], Operations: ['28-28=0', '66*0=0'] Exploring Operation: 85+0=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[66, 28, 28, 85], Operations: [] Exploring Operation: 28/28=1, Resulting Numbers: [66, 85, 1] Generated Node #0,0: 85:[66, 85, 1] Operation: 28/28=1 Exploring Operation: 66+28=94, Resulting Numbers: [28, 85, 94] Generated Node #0,1: 85:[28, 85, 94] Operation: 66+28=94 Exploring Operation: 66+28=94, Resulting Numbers: [28, 85, 94] Generated Node #0,2: 85:[28, 85, 94] Operation: 66+28=94 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[28, 85, 94], Operations: ['66+28=94'] Exploring Operation: 28+85=113, Resulting Numbers: [94, 113] Generated Node #0,1,0: 85:[94, 113] Operation: 28+85=113 Exploring Operation: 94-28=66, Resulting Numbers: [85, 66] Generated Node #0,1,1: 85:[85, 66] Operation: 94-28=66 Exploring Operation: 94-85=9, Resulting Numbers: [28, 9] Generated Node #0,1,2: 85:[28, 9] Operation: 94-85=9 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 85:[28, 9], Operations: ['66+28=94', '94-85=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,85 unequal: No Solution No 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: 85:[85, 66], Operations: ['66+28=94', '94-28=66'] Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,85 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,85 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,85 unequal: No Solution No 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: 85:[94, 113], Operations: ['66+28=94', '28+85=113'] Exploring Operation: 94*113=10622, Resulting Numbers: [10622] 10622,85 unequal: No Solution Exploring Operation: 113-94=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 94+113=207, Resulting Numbers: [207] 207,85 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: 85:[28, 85, 94], Operations: ['66+28=94'] Exploring Operation: 94-28=66, Resulting Numbers: [85, 66] Generated Node #0,2,0: 85:[85, 66] Operation: 94-28=66 Exploring Operation: 94-85=9, Resulting Numbers: [28, 9] Generated Node #0,2,1: 85:[28, 9] Operation: 94-85=9 Exploring Operation: 28+85=113, Resulting Numbers: [94, 113] Generated Node #0,2,2: 85:[94, 113] Operation: 28+85=113 Moving to Node #0,2,1 Current State: 85:[28, 9], Operations: ['66+28=94', '94-85=9'] Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,85 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,85 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[85, 66], Operations: ['66+28=94', '94-28=66'] Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,85 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[94, 113], Operations: ['66+28=94', '28+85=113'] Exploring Operation: 113-94=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 94*113=10622, Resulting Numbers: [10622] 10622,85 unequal: No Solution Exploring Operation: 94+113=207, Resulting Numbers: [207] 207,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[66, 85, 1], Operations: ['28/28=1'] Exploring Operation: 66*1=66, Resulting Numbers: [85, 66] Generated Node #0,0,0: 85:[85, 66] Operation: 66*1=66 Exploring Operation: 85-66=19, Resulting Numbers: [1, 19] Generated Node #0,0,1: 85:[1, 19] Operation: 85-66=19 Exploring Operation: 66+1=67, Resulting Numbers: [85, 67] Generated Node #0,0,2: 85:[85, 67] Operation: 66+1=67 Moving to Node #0,0,1 Current State: 85:[1, 19], Operations: ['28/28=1', '85-66=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[85, 67], Operations: ['28/28=1', '66+1=67'] Exploring Operation: 85+67=152, Resulting Numbers: [152] 152,85 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 85*67=5695, Resulting Numbers: [5695] 5695,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[85, 66], Operations: ['28/28=1', '66*1=66'] Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,85 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,85 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 58, 42, 3, 48 ]
44
[ "58+42=100", "3*48=144", "144-100=44" ]
Current State: 44:[58, 42, 3, 48], Operations: [] Exploring Operation: 58+42=100, Resulting Numbers: [3, 48, 100] Generated Node #2: [3, 48, 100] from Operation: 58+42=100 Current State: 44:[3, 48, 100], Operations: ['58+42=100'] Exploring Operation: 3*48=144, Resulting Numbers: [100, 144] Generated Node #3: [100, 144] from Operation: 3*48=144 Current State: 44:[100, 144], Operations: ['58+42=100', '3*48=144'] Exploring Operation: 144-100=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[58, 42, 3, 48], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [3, 48, 16] Generated Node #0,0: 44:[3, 48, 16] Operation: 58-42=16 Exploring Operation: 58-3=55, Resulting Numbers: [42, 48, 55] Generated Node #0,1: 44:[42, 48, 55] Operation: 58-3=55 Exploring Operation: 58-48=10, Resulting Numbers: [42, 3, 10] Generated Node #0,2: 44:[42, 3, 10] Operation: 58-48=10 Moving to Node #0,2 Current State: 44:[42, 3, 10], Operations: ['58-48=10'] Exploring Operation: 3+10=13, Resulting Numbers: [42, 13] Generated Node #0,2,0: 44:[42, 13] Operation: 3+10=13 Exploring Operation: 42+3=45, Resulting Numbers: [10, 45] Generated Node #0,2,1: 44:[10, 45] Operation: 42+3=45 Exploring Operation: 42/3=14, Resulting Numbers: [10, 14] Generated Node #0,2,2: 44:[10, 14] Operation: 42/3=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[10, 45], Operations: ['58-48=10', '42+3=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,44 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,44 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,44 unequal: No Solution No 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: 44:[42, 13], Operations: ['58-48=10', '3+10=13'] Exploring Operation: 42+13=55, Resulting Numbers: [55] 55,44 unequal: No Solution Exploring Operation: 42*13=546, Resulting Numbers: [546] 546,44 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,44 unequal: No Solution No 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: 44:[10, 14], Operations: ['58-48=10', '42/3=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,44 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,44 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: 44:[3, 48, 16], Operations: ['58-42=16'] Exploring Operation: 48/16=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 44:[3, 3] Operation: 48/16=3 Exploring Operation: 48-3=45, Resulting Numbers: [16, 45] Generated Node #0,0,1: 44:[16, 45] Operation: 48-3=45 Exploring Operation: 16-3=13, Resulting Numbers: [48, 13] Generated Node #0,0,2: 44:[48, 13] Operation: 16-3=13 Moving to Node #0,1 Current State: 44:[42, 48, 55], Operations: ['58-3=55'] Exploring Operation: 55-42=13, Resulting Numbers: [48, 13] Generated Node #0,1,0: 44:[48, 13] Operation: 55-42=13 Exploring Operation: 48-42=6, Resulting Numbers: [55, 6] Generated Node #0,1,1: 44:[55, 6] Operation: 48-42=6 Exploring Operation: 55-48=7, Resulting Numbers: [42, 7] Generated Node #0,1,2: 44:[42, 7] Operation: 55-48=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[42, 7], Operations: ['58-3=55', '55-48=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,44 unequal: No Solution No 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: 44:[48, 13], Operations: ['58-3=55', '55-42=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,44 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,44 unequal: No Solution No 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: 44:[55, 6], Operations: ['58-3=55', '48-42=6'] Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,44 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,44 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: 44:[3, 3], Operations: ['58-42=16', '48/16=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[16, 45], Operations: ['58-42=16', '48-3=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,44 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[48, 13], Operations: ['58-42=16', '16-3=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,44 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,44 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 61, 69, 21, 2 ]
86
[ "61+69=130", "130/2=65", "21+65=86" ]
Current State: 86:[61, 69, 21, 2], Operations: [] Exploring Operation: 61+69=130, Resulting Numbers: [21, 2, 130] Generated Node #2: [21, 2, 130] from Operation: 61+69=130 Current State: 86:[21, 2, 130], Operations: ['61+69=130'] Exploring Operation: 130/2=65, Resulting Numbers: [21, 65] Generated Node #3: [21, 65] from Operation: 130/2=65 Current State: 86:[21, 65], Operations: ['61+69=130', '130/2=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[61, 69, 21, 2], Operations: [] Exploring Operation: 61+21=82, Resulting Numbers: [69, 2, 82] Generated Node #0,0: 86:[69, 2, 82] Operation: 61+21=82 Exploring Operation: 69-21=48, Resulting Numbers: [61, 2, 48] Generated Node #0,1: 86:[61, 2, 48] Operation: 69-21=48 Exploring Operation: 69+21=90, Resulting Numbers: [61, 2, 90] Generated Node #0,2: 86:[61, 2, 90] Operation: 69+21=90 Exploring Operation: 61-21=40, Resulting Numbers: [69, 2, 40] Generated Node #0,3: 86:[69, 2, 40] Operation: 61-21=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[69, 2, 40], Operations: ['61-21=40'] Exploring Operation: 69+2=71, Resulting Numbers: [40, 71] Generated Node #0,3,0: 86:[40, 71] Operation: 69+2=71 Exploring Operation: 69-40=29, Resulting Numbers: [2, 29] Generated Node #0,3,1: 86:[2, 29] Operation: 69-40=29 Exploring Operation: 69-2=67, Resulting Numbers: [40, 67] Generated Node #0,3,2: 86:[40, 67] Operation: 69-2=67 Exploring Operation: 2+40=42, Resulting Numbers: [69, 42] Generated Node #0,3,3: 86:[69, 42] Operation: 2+40=42 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 86:[2, 29], Operations: ['61-21=40', '69-40=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 86:[40, 71], Operations: ['61-21=40', '69+2=71'] Exploring Operation: 40*71=2840, Resulting Numbers: [2840] 2840,86 unequal: No Solution Exploring Operation: 40+71=111, Resulting Numbers: [111] 111,86 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 86:[69, 42], Operations: ['61-21=40', '2+40=42'] Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 69*42=2898, Resulting Numbers: [2898] 2898,86 unequal: No Solution Exploring Operation: 69+42=111, Resulting Numbers: [111] 111,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 86:[40, 67], Operations: ['61-21=40', '69-2=67'] Exploring Operation: 40*67=2680, Resulting Numbers: [2680] 2680,86 unequal: No Solution Exploring Operation: 40+67=107, Resulting Numbers: [107] 107,86 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[69, 2, 82], Operations: ['61+21=82'] Exploring Operation: 2+82=84, Resulting Numbers: [69, 84] Generated Node #0,0,0: 86:[69, 84] Operation: 2+82=84 Exploring Operation: 82-69=13, Resulting Numbers: [2, 13] Generated Node #0,0,1: 86:[2, 13] Operation: 82-69=13 Exploring Operation: 69+2=71, Resulting Numbers: [82, 71] Generated Node #0,0,2: 86:[82, 71] Operation: 69+2=71 Exploring Operation: 82/2=41, Resulting Numbers: [69, 41] Generated Node #0,0,3: 86:[69, 41] Operation: 82/2=41 Moving to Node #0,0,1 Current State: 86:[2, 13], Operations: ['61+21=82', '82-69=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[82, 71], Operations: ['61+21=82', '69+2=71'] Exploring Operation: 82+71=153, Resulting Numbers: [153] 153,86 unequal: No Solution Exploring Operation: 82*71=5822, Resulting Numbers: [5822] 5822,86 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[69, 84], Operations: ['61+21=82', '2+82=84'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,86 unequal: No Solution Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[69, 41], Operations: ['61+21=82', '82/2=41'] Exploring Operation: 69+41=110, Resulting Numbers: [110] 110,86 unequal: No Solution Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,86 unequal: No Solution Exploring Operation: 69*41=2829, Resulting Numbers: [2829] 2829,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[61, 2, 90], Operations: ['69+21=90'] Exploring Operation: 90-61=29, Resulting Numbers: [2, 29] Generated Node #0,2,0: 86:[2, 29] Operation: 90-61=29 Exploring Operation: 61-2=59, Resulting Numbers: [90, 59] Generated Node #0,2,1: 86:[90, 59] Operation: 61-2=59 Exploring Operation: 90-2=88, Resulting Numbers: [61, 88] Generated Node #0,2,2: 86:[61, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [61, 45] Generated Node #0,2,3: 86:[61, 45] Operation: 90/2=45 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 86:[2, 29], Operations: ['69+21=90', '90-61=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,86 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 86:[90, 59], Operations: ['69+21=90', '61-2=59'] Exploring Operation: 90*59=5310, Resulting Numbers: [5310] 5310,86 unequal: No Solution Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,86 unequal: No Solution Exploring Operation: 90+59=149, Resulting Numbers: [149] 149,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[61, 88], Operations: ['69+21=90', '90-2=88'] Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,86 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 86:[61, 45], Operations: ['69+21=90', '90/2=45'] Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,86 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,86 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[61, 2, 48], Operations: ['69-21=48'] Exploring Operation: 61+48=109, Resulting Numbers: [2, 109] Generated Node #0,1,0: 86:[2, 109] Operation: 61+48=109 Exploring Operation: 61-2=59, Resulting Numbers: [48, 59] Generated Node #0,1,1: 86:[48, 59] Operation: 61-2=59 Exploring Operation: 61-48=13, Resulting Numbers: [2, 13] Generated Node #0,1,2: 86:[2, 13] Operation: 61-48=13 Exploring Operation: 48-2=46, Resulting Numbers: [61, 46] Generated Node #0,1,3: 86:[61, 46] Operation: 48-2=46 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 86:[2, 13], Operations: ['69-21=48', '61-48=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,86 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[48, 59], Operations: ['69-21=48', '61-2=59'] Exploring Operation: 59-48=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 48*59=2832, Resulting Numbers: [2832] 2832,86 unequal: No Solution Exploring Operation: 48+59=107, Resulting Numbers: [107] 107,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 86:[61, 46], Operations: ['69-21=48', '48-2=46'] Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,86 unequal: No Solution Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 61*46=2806, Resulting Numbers: [2806] 2806,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[2, 109], Operations: ['69-21=48', '61+48=109'] Exploring Operation: 109-2=107, Resulting Numbers: [107] 107,86 unequal: No Solution Exploring Operation: 2+109=111, Resulting Numbers: [111] 111,86 unequal: No Solution Exploring Operation: 2*109=218, Resulting Numbers: [218] 218,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 86, 88, 69, 98 ]
20
[ "88-86=2", "98/2=49", "69-49=20" ]
Current State: 20:[86, 88, 69, 98], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [69, 98, 2] Generated Node #2: [69, 98, 2] from Operation: 88-86=2 Current State: 20:[69, 98, 2], Operations: ['88-86=2'] Exploring Operation: 98/2=49, Resulting Numbers: [69, 49] Generated Node #3: [69, 49] from Operation: 98/2=49 Current State: 20:[69, 49], Operations: ['88-86=2', '98/2=49'] Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[86, 88, 69, 98], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [69, 98, 2] Generated Node #0,0: 20:[69, 98, 2] Operation: 88-86=2 Exploring Operation: 98-86=12, Resulting Numbers: [88, 69, 12] Generated Node #0,1: 20:[88, 69, 12] Operation: 98-86=12 Exploring Operation: 98-88=10, Resulting Numbers: [86, 69, 10] Generated Node #0,2: 20:[86, 69, 10] Operation: 98-88=10 Moving to Node #0,2 Current State: 20:[86, 69, 10], Operations: ['98-88=10'] Exploring Operation: 86-69=17, Resulting Numbers: [10, 17] Generated Node #0,2,0: 20:[10, 17] Operation: 86-69=17 Exploring Operation: 86-10=76, Resulting Numbers: [69, 76] Generated Node #0,2,1: 20:[69, 76] Operation: 86-10=76 Exploring Operation: 69-10=59, Resulting Numbers: [86, 59] Generated Node #0,2,2: 20:[86, 59] Operation: 69-10=59 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[10, 17], Operations: ['98-88=10', '86-69=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[69, 76], Operations: ['98-88=10', '86-10=76'] Exploring Operation: 69*76=5244, Resulting Numbers: [5244] 5244,20 unequal: No Solution Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 69+76=145, Resulting Numbers: [145] 145,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[86, 59], Operations: ['98-88=10', '69-10=59'] Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,20 unequal: No Solution Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,20 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: 20:[88, 69, 12], Operations: ['98-86=12'] Exploring Operation: 88-69=19, Resulting Numbers: [12, 19] Generated Node #0,1,0: 20:[12, 19] Operation: 88-69=19 Exploring Operation: 69-12=57, Resulting Numbers: [88, 57] Generated Node #0,1,1: 20:[88, 57] Operation: 69-12=57 Exploring Operation: 88-12=76, Resulting Numbers: [69, 76] Generated Node #0,1,2: 20:[69, 76] Operation: 88-12=76 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[12, 19], Operations: ['98-86=12', '88-69=19'] Exploring Operation: 12*19=228, Resulting Numbers: [228] 228,20 unequal: No Solution Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[88, 57], Operations: ['98-86=12', '69-12=57'] Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 88*57=5016, Resulting Numbers: [5016] 5016,20 unequal: No Solution Exploring Operation: 88+57=145, Resulting Numbers: [145] 145,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[69, 76], Operations: ['98-86=12', '88-12=76'] Exploring Operation: 76-69=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 69*76=5244, Resulting Numbers: [5244] 5244,20 unequal: No Solution Exploring Operation: 69+76=145, Resulting Numbers: [145] 145,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 20:[69, 98, 2], Operations: ['88-86=2'] Exploring Operation: 98-69=29, Resulting Numbers: [2, 29] Generated Node #0,0,0: 20:[2, 29] Operation: 98-69=29 Exploring Operation: 98/2=49, Resulting Numbers: [69, 49] Generated Node #0,0,1: 20:[69, 49] Operation: 98/2=49 Exploring Operation: 69-2=67, Resulting Numbers: [98, 67] Generated Node #0,0,2: 20:[98, 67] Operation: 69-2=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[2, 29], Operations: ['88-86=2', '98-69=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[69, 49], Operations: ['88-86=2', '98/2=49'] Exploring Operation: 69*49=3381, Resulting Numbers: [3381] 3381,20 unequal: No Solution Exploring Operation: 69+49=118, Resulting Numbers: [118] 118,20 unequal: No Solution Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[86, 88, 69, 98], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [69, 98, 2] Generated Node #0,0: 20:[69, 98, 2] Operation: 88-86=2 Moving to Node #0,0 Current State: 20:[69, 98, 2], Operations: ['88-86=2'] Exploring Operation: 98/2=49, Resulting Numbers: [69, 49] Generated Node #0,0,1: 20:[69, 49] Operation: 98/2=49 Moving to Node #0,0,1 Current State: 20:[69, 49], Operations: ['88-86=2', '98/2=49'] Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_3
sum_heuristic
[ 5, 38, 69, 2 ]
52
[ "5+38=43", "69-43=26", "2*26=52" ]
Current State: 52:[5, 38, 69, 2], Operations: [] Exploring Operation: 5+38=43, Resulting Numbers: [69, 2, 43] Generated Node #2: [69, 2, 43] from Operation: 5+38=43 Current State: 52:[69, 2, 43], Operations: ['5+38=43'] Exploring Operation: 69-43=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 69-43=26 Current State: 52:[2, 26], Operations: ['5+38=43', '69-43=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[5, 38, 69, 2], Operations: [] Exploring Operation: 38-5=33, Resulting Numbers: [69, 2, 33] Generated Node #0,0: 52:[69, 2, 33] Operation: 38-5=33 Exploring Operation: 69-38=31, Resulting Numbers: [5, 2, 31] Generated Node #0,1: 52:[5, 2, 31] Operation: 69-38=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[5, 2, 31], Operations: ['69-38=31'] Exploring Operation: 31-5=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 52:[2, 26] Operation: 31-5=26 Exploring Operation: 31-2=29, Resulting Numbers: [5, 29] Generated Node #0,1,1: 52:[5, 29] Operation: 31-2=29 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[2, 26], Operations: ['69-38=31', '31-5=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,52 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[5, 38, 69, 2], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [5, 2, 31] Generated Node #0,1: 52:[5, 2, 31] Operation: 69-38=31 Moving to Node #0,1 Current State: 52:[5, 2, 31], Operations: ['69-38=31'] Exploring Operation: 31-5=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 52:[2, 26] Operation: 31-5=26 Moving to Node #0,1,0 Current State: 52:[2, 26], Operations: ['69-38=31', '31-5=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 75, 27, 18, 46 ]
20
[ "75-27=48", "46-18=28", "48-28=20" ]
Current State: 20:[75, 27, 18, 46], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [18, 46, 48] Generated Node #2: [18, 46, 48] from Operation: 75-27=48 Current State: 20:[18, 46, 48], Operations: ['75-27=48'] Exploring Operation: 46-18=28, Resulting Numbers: [48, 28] Generated Node #3: [48, 28] from Operation: 46-18=28 Current State: 20:[48, 28], Operations: ['75-27=48', '46-18=28'] Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[75, 27, 18, 46], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [27, 46, 57] Generated Node #0,0: 20:[27, 46, 57] Operation: 75-18=57 Exploring Operation: 46-27=19, Resulting Numbers: [75, 18, 19] Generated Node #0,1: 20:[75, 18, 19] Operation: 46-27=19 Exploring Operation: 46-18=28, Resulting Numbers: [75, 27, 28] Generated Node #0,2: 20:[75, 27, 28] Operation: 46-18=28 Exploring Operation: 75-27=48, Resulting Numbers: [18, 46, 48] Generated Node #0,3: 20:[18, 46, 48] Operation: 75-27=48 Exploring Operation: 75-46=29, Resulting Numbers: [27, 18, 29] Generated Node #0,4: 20:[27, 18, 29] Operation: 75-46=29 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[27, 18, 29], Operations: ['75-46=29'] Exploring Operation: 27-18=9, Resulting Numbers: [29, 9] Generated Node #0,4,0: 20:[29, 9] Operation: 27-18=9 Exploring Operation: 18+29=47, Resulting Numbers: [27, 47] Generated Node #0,4,1: 20:[27, 47] Operation: 18+29=47 Exploring Operation: 27+18=45, Resulting Numbers: [29, 45] Generated Node #0,4,2: 20:[29, 45] Operation: 27+18=45 Exploring Operation: 29-18=11, Resulting Numbers: [27, 11] Generated Node #0,4,3: 20:[27, 11] Operation: 29-18=11 Exploring Operation: 29-27=2, Resulting Numbers: [18, 2] Generated Node #0,4,4: 20:[18, 2] Operation: 29-27=2 Moving to Node #0,4,4 Current State: 20:[18, 2], Operations: ['75-46=29', '29-27=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[75, 27, 18, 46], Operations: [] Exploring Operation: 75-46=29, Resulting Numbers: [27, 18, 29] Generated Node #0,4: 20:[27, 18, 29] Operation: 75-46=29 Moving to Node #0,4 Current State: 20:[27, 18, 29], Operations: ['75-46=29'] Exploring Operation: 29-27=2, Resulting Numbers: [18, 2] Generated Node #0,4,4: 20:[18, 2] Operation: 29-27=2 Moving to Node #0,4,4 Current State: 20:[18, 2], Operations: ['75-46=29', '29-27=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 58, 3, 7, 31 ]
62
[ "31-3=28", "28/7=4", "58+4=62" ]
Current State: 62:[58, 3, 7, 31], Operations: [] Exploring Operation: 31-3=28, Resulting Numbers: [58, 7, 28] Generated Node #2: [58, 7, 28] from Operation: 31-3=28 Current State: 62:[58, 7, 28], Operations: ['31-3=28'] Exploring Operation: 28/7=4, Resulting Numbers: [58, 4] Generated Node #3: [58, 4] from Operation: 28/7=4 Current State: 62:[58, 4], Operations: ['31-3=28', '28/7=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[58, 3, 7, 31], Operations: [] Exploring Operation: 58+7=65, Resulting Numbers: [3, 31, 65] Generated Node #0,0: 62:[3, 31, 65] Operation: 58+7=65 Moving to Node #0,0 Current State: 62:[3, 31, 65], Operations: ['58+7=65'] Exploring Operation: 65-3=62, Resulting Numbers: [31, 62] Generated Node #0,0,0: 62:[31, 62] Operation: 65-3=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[31, 62], Operations: ['58+7=65', '65-3=62'] Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,62 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
[ 85, 84, 76, 78 ]
54
[ "85-76=9", "84-78=6", "9*6=54" ]
Current State: 54:[85, 84, 76, 78], Operations: [] Exploring Operation: 85-76=9, Resulting Numbers: [84, 78, 9] Generated Node #2: [84, 78, 9] from Operation: 85-76=9 Current State: 54:[84, 78, 9], Operations: ['85-76=9'] Exploring Operation: 84-78=6, Resulting Numbers: [9, 6] Generated Node #3: [9, 6] from Operation: 84-78=6 Current State: 54:[9, 6], Operations: ['85-76=9', '84-78=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[85, 84, 76, 78], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [76, 78, 1] Generated Node #0,0: 54:[76, 78, 1] Operation: 85-84=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[76, 78, 1], Operations: ['85-84=1'] Exploring Operation: 78-76=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 54:[1, 2] Operation: 78-76=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[1, 2], Operations: ['85-84=1', '78-76=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 85, 12, 64, 74 ]
41
[ "85+12=97", "64+74=138", "138-97=41" ]
Current State: 41:[85, 12, 64, 74], Operations: [] Exploring Operation: 85+12=97, Resulting Numbers: [64, 74, 97] Generated Node #2: [64, 74, 97] from Operation: 85+12=97 Current State: 41:[64, 74, 97], Operations: ['85+12=97'] Exploring Operation: 64+74=138, Resulting Numbers: [97, 138] Generated Node #3: [97, 138] from Operation: 64+74=138 Current State: 41:[97, 138], Operations: ['85+12=97', '64+74=138'] Exploring Operation: 138-97=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[85, 12, 64, 74], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [12, 74, 21] Generated Node #0,0: 41:[12, 74, 21] Operation: 85-64=21 Exploring Operation: 85-74=11, Resulting Numbers: [12, 64, 11] Generated Node #0,1: 41:[12, 64, 11] Operation: 85-74=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[12, 74, 21], Operations: ['85-64=21'] Exploring Operation: 74-12=62, Resulting Numbers: [21, 62] Generated Node #0,0,0: 41:[21, 62] Operation: 74-12=62 Exploring Operation: 12+21=33, Resulting Numbers: [74, 33] Generated Node #0,0,1: 41:[74, 33] Operation: 12+21=33 Moving to Node #0,0,0 Current State: 41:[21, 62], Operations: ['85-64=21', '74-12=62'] Exploring Operation: 21+62=83, Resulting Numbers: [83] 83,41 unequal: No Solution Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[85, 12, 64, 74], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [12, 74, 21] Generated Node #0,0: 41:[12, 74, 21] Operation: 85-64=21 Moving to Node #0,0 Current State: 41:[12, 74, 21], Operations: ['85-64=21'] Exploring Operation: 74-12=62, Resulting Numbers: [21, 62] Generated Node #0,0,0: 41:[21, 62] Operation: 74-12=62 Moving to Node #0,0,0 Current State: 41:[21, 62], Operations: ['85-64=21', '74-12=62'] Exploring Operation: 62-21=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 73, 85, 39, 1 ]
52
[ "85-73=12", "39+1=40", "12+40=52" ]
Current State: 52:[73, 85, 39, 1], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [39, 1, 12] Generated Node #2: [39, 1, 12] from Operation: 85-73=12 Current State: 52:[39, 1, 12], Operations: ['85-73=12'] Exploring Operation: 39+1=40, Resulting Numbers: [12, 40] Generated Node #3: [12, 40] from Operation: 39+1=40 Current State: 52:[12, 40], Operations: ['85-73=12', '39+1=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[73, 85, 39, 1], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [39, 1, 12] Generated Node #0,0: 52:[39, 1, 12] Operation: 85-73=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[39, 1, 12], Operations: ['85-73=12'] Exploring Operation: 39+12=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 52:[1, 51] Operation: 39+12=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[1, 51], Operations: ['85-73=12', '39+12=51'] Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[73, 85, 39, 1], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [39, 1, 12] Generated Node #0,0: 52:[39, 1, 12] Operation: 85-73=12 Moving to Node #0,0 Current State: 52:[39, 1, 12], Operations: ['85-73=12'] Exploring Operation: 39+12=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 52:[1, 51] Operation: 39+12=51 Moving to Node #0,0,0 Current State: 52:[1, 51], Operations: ['85-73=12', '39+12=51'] Exploring Operation: 1+51=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 17, 11, 58, 65 ]
42
[ "17-11=6", "65-58=7", "6*7=42" ]
Current State: 42:[17, 11, 58, 65], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [58, 65, 6] Generated Node #2: [58, 65, 6] from Operation: 17-11=6 Current State: 42:[58, 65, 6], Operations: ['17-11=6'] Exploring Operation: 65-58=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 65-58=7 Current State: 42:[6, 7], Operations: ['17-11=6', '65-58=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[17, 11, 58, 65], Operations: [] Exploring Operation: 58-11=47, Resulting Numbers: [17, 65, 47] Generated Node #0,0: 42:[17, 65, 47] Operation: 58-11=47 Exploring Operation: 65-17=48, Resulting Numbers: [11, 58, 48] Generated Node #0,1: 42:[11, 58, 48] Operation: 65-17=48 Exploring Operation: 58-17=41, Resulting Numbers: [11, 65, 41] Generated Node #0,2: 42:[11, 65, 41] Operation: 58-17=41 Exploring Operation: 65-58=7, Resulting Numbers: [17, 11, 7] Generated Node #0,3: 42:[17, 11, 7] Operation: 65-58=7 Moving to Node #0,3 Current State: 42:[17, 11, 7], Operations: ['65-58=7'] Exploring Operation: 17+7=24, Resulting Numbers: [11, 24] Generated Node #0,3,0: 42:[11, 24] Operation: 17+7=24 Exploring Operation: 11-7=4, Resulting Numbers: [17, 4] Generated Node #0,3,1: 42:[17, 4] Operation: 11-7=4 Exploring Operation: 17-11=6, Resulting Numbers: [7, 6] Generated Node #0,3,2: 42:[7, 6] Operation: 17-11=6 Exploring Operation: 17-7=10, Resulting Numbers: [11, 10] Generated Node #0,3,3: 42:[11, 10] Operation: 17-7=10 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 42:[7, 6], Operations: ['65-58=7', '17-11=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,42 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[17, 11, 58, 65], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [17, 11, 7] Generated Node #0,3: 42:[17, 11, 7] Operation: 65-58=7 Moving to Node #0,3 Current State: 42:[17, 11, 7], Operations: ['65-58=7'] Exploring Operation: 17-11=6, Resulting Numbers: [7, 6] Generated Node #0,3,2: 42:[7, 6] Operation: 17-11=6 Moving to Node #0,3,2 Current State: 42:[7, 6], Operations: ['65-58=7', '17-11=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 56, 60, 68, 17 ]
34
[ "60-56=4", "68/4=17", "17+17=34" ]
Current State: 34:[56, 60, 68, 17], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [68, 17, 4] Generated Node #2: [68, 17, 4] from Operation: 60-56=4 Current State: 34:[68, 17, 4], Operations: ['60-56=4'] Exploring Operation: 68/4=17, Resulting Numbers: [17, 17] Generated Node #3: [17, 17] from Operation: 68/4=17 Current State: 34:[17, 17], Operations: ['60-56=4', '68/4=17'] Exploring Operation: 17+17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[56, 60, 68, 17], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [56, 17, 8] Generated Node #0,0: 34:[56, 17, 8] Operation: 68-60=8 Exploring Operation: 68-56=12, Resulting Numbers: [60, 17, 12] Generated Node #0,1: 34:[60, 17, 12] Operation: 68-56=12 Moving to Node #0,0 Current State: 34:[56, 17, 8], Operations: ['68-60=8'] Exploring Operation: 56/8=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 34:[17, 7] Operation: 56/8=7 Exploring Operation: 56-17=39, Resulting Numbers: [8, 39] Generated Node #0,0,1: 34:[8, 39] Operation: 56-17=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[17, 7], Operations: ['68-60=8', '56/8=7'] Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[8, 39], Operations: ['68-60=8', '56-17=39'] Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,34 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: 34:[60, 17, 12], Operations: ['68-56=12'] Exploring Operation: 60/12=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 34:[17, 5] Operation: 60/12=5 Exploring Operation: 60-17=43, Resulting Numbers: [12, 43] Generated Node #0,1,1: 34:[12, 43] Operation: 60-17=43 Moving to Node #0,1,0 Current State: 34:[17, 5], Operations: ['68-56=12', '60/12=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[12, 43], Operations: ['68-56=12', '60-17=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,34 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,34 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 5, 15, 82, 7 ]
26
[ "82-5=77", "77/7=11", "15+11=26" ]
Current State: 26:[5, 15, 82, 7], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [15, 7, 77] Generated Node #2: [15, 7, 77] from Operation: 82-5=77 Current State: 26:[15, 7, 77], Operations: ['82-5=77'] Exploring Operation: 77/7=11, Resulting Numbers: [15, 11] Generated Node #3: [15, 11] from Operation: 77/7=11 Current State: 26:[15, 11], Operations: ['82-5=77', '77/7=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[5, 15, 82, 7], Operations: [] Exploring Operation: 82-7=75, Resulting Numbers: [5, 15, 75] Generated Node #0,0: 26:[5, 15, 75] Operation: 82-7=75 Exploring Operation: 7-5=2, Resulting Numbers: [15, 82, 2] Generated Node #0,1: 26:[15, 82, 2] Operation: 7-5=2 Exploring Operation: 82-5=77, Resulting Numbers: [15, 7, 77] Generated Node #0,2: 26:[15, 7, 77] Operation: 82-5=77 Exploring Operation: 82-15=67, Resulting Numbers: [5, 7, 67] Generated Node #0,3: 26:[5, 7, 67] Operation: 82-15=67 Moving to Node #0,3 Current State: 26:[5, 7, 67], Operations: ['82-15=67'] Exploring Operation: 67-5=62, Resulting Numbers: [7, 62] Generated Node #0,3,0: 26:[7, 62] Operation: 67-5=62 Exploring Operation: 5+7=12, Resulting Numbers: [67, 12] Generated Node #0,3,1: 26:[67, 12] Operation: 5+7=12 Exploring Operation: 67-7=60, Resulting Numbers: [5, 60] Generated Node #0,3,2: 26:[5, 60] Operation: 67-7=60 Exploring Operation: 7-5=2, Resulting Numbers: [67, 2] Generated Node #0,3,3: 26:[67, 2] Operation: 7-5=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[5, 60], Operations: ['82-15=67', '67-7=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,26 unequal: No Solution Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,26 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,26 unequal: No Solution No 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: 26:[7, 62], Operations: ['82-15=67', '67-5=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,26 unequal: No Solution Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,26 unequal: No Solution No 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: 26:[67, 2], Operations: ['82-15=67', '7-5=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,26 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,26 unequal: No Solution No 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: 26:[67, 12], Operations: ['82-15=67', '5+7=12'] Exploring Operation: 67*12=804, Resulting Numbers: [804] 804,26 unequal: No Solution Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,26 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,26 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: 26:[5, 15, 75], Operations: ['82-7=75'] Exploring Operation: 75/5=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 26:[15, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [15, 70] Generated Node #0,0,1: 26:[15, 70] Operation: 75-5=70 Exploring Operation: 75-15=60, Resulting Numbers: [5, 60] Generated Node #0,0,2: 26:[5, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [5, 5] Generated Node #0,0,3: 26:[5, 5] Operation: 75/15=5 Moving to Node #0,2 Current State: 26:[15, 7, 77], Operations: ['82-5=77'] Exploring Operation: 77-15=62, Resulting Numbers: [7, 62] Generated Node #0,2,0: 26:[7, 62] Operation: 77-15=62 Exploring Operation: 77/7=11, Resulting Numbers: [15, 11] Generated Node #0,2,1: 26:[15, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [15, 70] Generated Node #0,2,2: 26:[15, 70] Operation: 77-7=70 Exploring Operation: 15+7=22, Resulting Numbers: [77, 22] Generated Node #0,2,3: 26:[77, 22] Operation: 15+7=22 Moving to Node #0,1 Current State: 26:[15, 82, 2], Operations: ['7-5=2'] Exploring Operation: 82/2=41, Resulting Numbers: [15, 41] Generated Node #0,1,0: 26:[15, 41] Operation: 82/2=41 Exploring Operation: 82-15=67, Resulting Numbers: [2, 67] Generated Node #0,1,1: 26:[2, 67] Operation: 82-15=67 Exploring Operation: 82-2=80, Resulting Numbers: [15, 80] Generated Node #0,1,2: 26:[15, 80] Operation: 82-2=80 Exploring Operation: 15-2=13, Resulting Numbers: [82, 13] Generated Node #0,1,3: 26:[82, 13] Operation: 15-2=13 Moving to Node #0,0,0 Current State: 26:[15, 15], Operations: ['82-7=75', '75/5=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,26 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[15, 11], Operations: ['82-5=77', '77/7=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[5, 15, 82, 7], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [15, 7, 77] Generated Node #0,2: 26:[15, 7, 77] Operation: 82-5=77 Moving to Node #0,2 Current State: 26:[15, 7, 77], Operations: ['82-5=77'] Exploring Operation: 77/7=11, Resulting Numbers: [15, 11] Generated Node #0,2,1: 26:[15, 11] Operation: 77/7=11 Moving to Node #0,2,1 Current State: 26:[15, 11], Operations: ['82-5=77', '77/7=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.963542
hs_4
sum_heuristic
[ 84, 39, 9, 99 ]
65
[ "99-84=15", "39*15=585", "585/9=65" ]
Current State: 65:[84, 39, 9, 99], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [39, 9, 15] Generated Node #2: [39, 9, 15] from Operation: 99-84=15 Current State: 65:[39, 9, 15], Operations: ['99-84=15'] Exploring Operation: 39*15=585, Resulting Numbers: [9, 585] Generated Node #3: [9, 585] from Operation: 39*15=585 Current State: 65:[9, 585], Operations: ['99-84=15', '39*15=585'] Exploring Operation: 585/9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[84, 39, 9, 99], Operations: [] Exploring Operation: 99-84=15, Resulting Numbers: [39, 9, 15] Generated Node #0,0: 65:[39, 9, 15] Operation: 99-84=15 Exploring Operation: 99-39=60, Resulting Numbers: [84, 9, 60] Generated Node #0,1: 65:[84, 9, 60] Operation: 99-39=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[84, 9, 60], Operations: ['99-39=60'] Exploring Operation: 84-60=24, Resulting Numbers: [9, 24] Generated Node #0,1,0: 65:[9, 24] Operation: 84-60=24 Exploring Operation: 84-9=75, Resulting Numbers: [60, 75] Generated Node #0,1,1: 65:[60, 75] Operation: 84-9=75 Moving to Node #0,1,0 Current State: 65:[9, 24], Operations: ['99-39=60', '84-60=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[60, 75], Operations: ['99-39=60', '84-9=75'] Exploring Operation: 60+75=135, Resulting Numbers: [135] 135,65 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[39, 9, 15], Operations: ['99-84=15'] Exploring Operation: 39+15=54, Resulting Numbers: [9, 54] Generated Node #0,0,0: 65:[9, 54] Operation: 39+15=54 Exploring Operation: 39-15=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 65:[9, 24] Operation: 39-15=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[9, 54], Operations: ['99-84=15', '39+15=54'] Exploring Operation: 9+54=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,65 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 #0,0,1 Current State: 65:[9, 24], Operations: ['99-84=15', '39-15=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,65 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,65 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
[ 87, 2, 78, 59 ]
92
[ "87-59=28", "28/2=14", "78+14=92" ]
Current State: 92:[87, 2, 78, 59], Operations: [] Exploring Operation: 87-59=28, Resulting Numbers: [2, 78, 28] Generated Node #2: [2, 78, 28] from Operation: 87-59=28 Current State: 92:[2, 78, 28], Operations: ['87-59=28'] Exploring Operation: 28/2=14, Resulting Numbers: [78, 14] Generated Node #3: [78, 14] from Operation: 28/2=14 Current State: 92:[78, 14], Operations: ['87-59=28', '28/2=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[87, 2, 78, 59], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [2, 59, 9] Generated Node #0,0: 92:[2, 59, 9] Operation: 87-78=9 Exploring Operation: 78-59=19, Resulting Numbers: [87, 2, 19] Generated Node #0,1: 92:[87, 2, 19] Operation: 78-59=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[87, 2, 19], Operations: ['78-59=19'] Exploring Operation: 2+19=21, Resulting Numbers: [87, 21] Generated Node #0,1,0: 92:[87, 21] Operation: 2+19=21 Exploring Operation: 87+2=89, Resulting Numbers: [19, 89] Generated Node #0,1,1: 92:[19, 89] Operation: 87+2=89 Moving to Node #0,1,0 Current State: 92:[87, 21], Operations: ['78-59=19', '2+19=21'] Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[19, 89], Operations: ['78-59=19', '87+2=89'] Exploring Operation: 19+89=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[2, 59, 9], Operations: ['87-78=9'] Exploring Operation: 59-9=50, Resulting Numbers: [2, 50] Generated Node #0,0,0: 92:[2, 50] Operation: 59-9=50 Exploring Operation: 59-2=57, Resulting Numbers: [9, 57] Generated Node #0,0,1: 92:[9, 57] Operation: 59-2=57 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[2, 50], Operations: ['87-78=9', '59-9=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,92 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[9, 57], Operations: ['87-78=9', '59-2=57'] Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 45, 5, 43, 1 ]
51
[ "45/5=9", "43-1=42", "9+42=51" ]
Current State: 51:[45, 5, 43, 1], Operations: [] Exploring Operation: 45/5=9, Resulting Numbers: [43, 1, 9] Generated Node #2: [43, 1, 9] from Operation: 45/5=9 Current State: 51:[43, 1, 9], Operations: ['45/5=9'] Exploring Operation: 43-1=42, Resulting Numbers: [9, 42] Generated Node #3: [9, 42] from Operation: 43-1=42 Current State: 51:[9, 42], Operations: ['45/5=9', '43-1=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[45, 5, 43, 1], Operations: [] Exploring Operation: 45+5=50, Resulting Numbers: [43, 1, 50] Generated Node #0,0: 51:[43, 1, 50] Operation: 45+5=50 Exploring Operation: 45-43=2, Resulting Numbers: [5, 1, 2] Generated Node #0,1: 51:[5, 1, 2] Operation: 45-43=2 Moving to Node #0,1 Current State: 51:[5, 1, 2], Operations: ['45-43=2'] Exploring Operation: 5-1=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 51:[2, 4] Operation: 5-1=4 Exploring Operation: 5-2=3, Resulting Numbers: [1, 3] Generated Node #0,1,1: 51:[1, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[2, 4], Operations: ['45-43=2', '5-1=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[1, 3], Operations: ['45-43=2', '5-2=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 51:[43, 1, 50], Operations: ['45+5=50'] Exploring Operation: 50-43=7, Resulting Numbers: [1, 7] Generated Node #0,0,0: 51:[1, 7] Operation: 50-43=7 Exploring Operation: 43+1=44, Resulting Numbers: [50, 44] Generated Node #0,0,1: 51:[50, 44] Operation: 43+1=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[1, 7], Operations: ['45+5=50', '50-43=7'] Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[50, 44], Operations: ['45+5=50', '43+1=44'] Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,51 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,51 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
[ 10, 52, 34, 18 ]
11
[ "52-34=18", "18/18=1", "10+1=11" ]
Current State: 11:[10, 52, 34, 18], Operations: [] Exploring Operation: 52-34=18, Resulting Numbers: [10, 18, 18] Generated Node #2: [10, 18, 18] from Operation: 52-34=18 Current State: 11:[10, 18, 18], Operations: ['52-34=18'] Exploring Operation: 18/18=1, Resulting Numbers: [10, 1] Generated Node #3: [10, 1] from Operation: 18/18=1 Current State: 11:[10, 1], Operations: ['52-34=18', '18/18=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[10, 52, 34, 18], Operations: [] Exploring Operation: 52-18=34, Resulting Numbers: [10, 34, 34] Generated Node #0,0: 11:[10, 34, 34] Operation: 52-18=34 Exploring Operation: 52-34=18, Resulting Numbers: [10, 18, 18] Generated Node #0,1: 11:[10, 18, 18] Operation: 52-34=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[10, 18, 18], Operations: ['52-34=18'] Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,1,0: 11:[18, 8] Operation: 18-10=8 Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,1,1: 11:[18, 8] Operation: 18-10=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[18, 8], Operations: ['52-34=18', '18-10=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[18, 8], Operations: ['52-34=18', '18-10=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[10, 34, 34], Operations: ['52-18=34'] Exploring Operation: 34/34=1, Resulting Numbers: [10, 1] Generated Node #0,0,0: 11:[10, 1] Operation: 34/34=1 Exploring Operation: 34-34=0, Resulting Numbers: [10, 0] Generated Node #0,0,1: 11:[10, 0] Operation: 34-34=0 Moving to Node #0,0,0 Current State: 11:[10, 1], Operations: ['52-18=34', '34/34=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[10, 52, 34, 18], Operations: [] Exploring Operation: 52-18=34, Resulting Numbers: [10, 34, 34] Generated Node #0,0: 11:[10, 34, 34] Operation: 52-18=34 Moving to Node #0,0 Current State: 11:[10, 34, 34], Operations: ['52-18=34'] Exploring Operation: 34/34=1, Resulting Numbers: [10, 1] Generated Node #0,0,0: 11:[10, 1] Operation: 34/34=1 Moving to Node #0,0,0 Current State: 11:[10, 1], Operations: ['52-18=34', '34/34=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 72, 76, 83, 92 ]
60
[ "76-72=4", "92/4=23", "83-23=60" ]
Current State: 60:[72, 76, 83, 92], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [83, 92, 4] Generated Node #2: [83, 92, 4] from Operation: 76-72=4 Current State: 60:[83, 92, 4], Operations: ['76-72=4'] Exploring Operation: 92/4=23, Resulting Numbers: [83, 23] Generated Node #3: [83, 23] from Operation: 92/4=23 Current State: 60:[83, 23], Operations: ['76-72=4', '92/4=23'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[72, 76, 83, 92], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [72, 76, 9] Generated Node #0,0: 60:[72, 76, 9] Operation: 92-83=9 Exploring Operation: 83-76=7, Resulting Numbers: [72, 92, 7] Generated Node #0,1: 60:[72, 92, 7] Operation: 83-76=7 Exploring Operation: 92-76=16, Resulting Numbers: [72, 83, 16] Generated Node #0,2: 60:[72, 83, 16] Operation: 92-76=16 Exploring Operation: 92-72=20, Resulting Numbers: [76, 83, 20] Generated Node #0,3: 60:[76, 83, 20] Operation: 92-72=20 Moving to Node #0,0 Current State: 60:[72, 76, 9], Operations: ['92-83=9'] Exploring Operation: 72/9=8, Resulting Numbers: [76, 8] Generated Node #0,0,0: 60:[76, 8] Operation: 72/9=8 Exploring Operation: 76-9=67, Resulting Numbers: [72, 67] Generated Node #0,0,1: 60:[72, 67] Operation: 76-9=67 Exploring Operation: 76-72=4, Resulting Numbers: [9, 4] Generated Node #0,0,2: 60:[9, 4] Operation: 76-72=4 Exploring Operation: 72-9=63, Resulting Numbers: [76, 63] Generated Node #0,0,3: 60:[76, 63] Operation: 72-9=63 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[9, 4], Operations: ['92-83=9', '76-72=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,60 unequal: No Solution No 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: 60:[76, 8], Operations: ['92-83=9', '72/9=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,60 unequal: No Solution No 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: 60:[72, 67], Operations: ['92-83=9', '76-9=67'] Exploring Operation: 72*67=4824, Resulting Numbers: [4824] 4824,60 unequal: No Solution Exploring Operation: 72+67=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,60 unequal: No Solution No 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: 60:[76, 63], Operations: ['92-83=9', '72-9=63'] Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 76*63=4788, Resulting Numbers: [4788] 4788,60 unequal: No Solution Exploring Operation: 76+63=139, Resulting Numbers: [139] 139,60 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: 60:[72, 83, 16], Operations: ['92-76=16'] Exploring Operation: 72+16=88, Resulting Numbers: [83, 88] Generated Node #0,2,0: 60:[83, 88] Operation: 72+16=88 Exploring Operation: 72-16=56, Resulting Numbers: [83, 56] Generated Node #0,2,1: 60:[83, 56] Operation: 72-16=56 Exploring Operation: 83-16=67, Resulting Numbers: [72, 67] Generated Node #0,2,2: 60:[72, 67] Operation: 83-16=67 Exploring Operation: 83-72=11, Resulting Numbers: [16, 11] Generated Node #0,2,3: 60:[16, 11] Operation: 83-72=11 Moving to Node #0,3 Current State: 60:[76, 83, 20], Operations: ['92-72=20'] Exploring Operation: 83-20=63, Resulting Numbers: [76, 63] Generated Node #0,3,0: 60:[76, 63] Operation: 83-20=63 Exploring Operation: 76-20=56, Resulting Numbers: [83, 56] Generated Node #0,3,1: 60:[83, 56] Operation: 76-20=56 Exploring Operation: 83-76=7, Resulting Numbers: [20, 7] Generated Node #0,3,2: 60:[20, 7] Operation: 83-76=7 Exploring Operation: 76+20=96, Resulting Numbers: [83, 96] Generated Node #0,3,3: 60:[83, 96] Operation: 76+20=96 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[20, 7], Operations: ['92-72=20', '83-76=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,60 unequal: No Solution No 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: 60:[76, 63], Operations: ['92-72=20', '83-20=63'] Exploring Operation: 76*63=4788, Resulting Numbers: [4788] 4788,60 unequal: No Solution Exploring Operation: 76+63=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,60 unequal: No Solution No 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: 60:[83, 56], Operations: ['92-72=20', '76-20=56'] Exploring Operation: 83+56=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 83*56=4648, Resulting Numbers: [4648] 4648,60 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,60 unequal: No Solution No 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: 60:[83, 96], Operations: ['92-72=20', '76+20=96'] Exploring Operation: 96-83=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 83*96=7968, Resulting Numbers: [7968] 7968,60 unequal: No Solution Exploring Operation: 83+96=179, Resulting Numbers: [179] 179,60 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: 60:[72, 92, 7], Operations: ['83-76=7'] Exploring Operation: 72+7=79, Resulting Numbers: [92, 79] Generated Node #0,1,0: 60:[92, 79] Operation: 72+7=79 Exploring Operation: 72-7=65, Resulting Numbers: [92, 65] Generated Node #0,1,1: 60:[92, 65] Operation: 72-7=65 Exploring Operation: 92-7=85, Resulting Numbers: [72, 85] Generated Node #0,1,2: 60:[72, 85] Operation: 92-7=85 Exploring Operation: 92-72=20, Resulting Numbers: [7, 20] Generated Node #0,1,3: 60:[7, 20] Operation: 92-72=20 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 60:[7, 20], Operations: ['83-76=7', '92-72=20'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,60 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,60 unequal: No Solution No 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: 60:[92, 65], Operations: ['83-76=7', '72-7=65'] Exploring Operation: 92-65=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 92+65=157, Resulting Numbers: [157] 157,60 unequal: No Solution Exploring Operation: 92*65=5980, Resulting Numbers: [5980] 5980,60 unequal: No Solution No 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: 60:[72, 85], Operations: ['83-76=7', '92-7=85'] Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,60 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,60 unequal: No Solution No 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: 60:[92, 79], Operations: ['83-76=7', '72+7=79'] Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 92*79=7268, Resulting Numbers: [7268] 7268,60 unequal: No Solution Exploring Operation: 92+79=171, Resulting Numbers: [171] 171,60 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: 60:[16, 11], Operations: ['92-76=16', '83-72=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,60 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[72, 67], Operations: ['92-76=16', '83-16=67'] Exploring Operation: 72*67=4824, Resulting Numbers: [4824] 4824,60 unequal: No Solution Exploring Operation: 72+67=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[83, 56], Operations: ['92-76=16', '72-16=56'] Exploring Operation: 83+56=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 83*56=4648, Resulting Numbers: [4648] 4648,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[83, 88], Operations: ['92-76=16', '72+16=88'] Exploring Operation: 83*88=7304, Resulting Numbers: [7304] 7304,60 unequal: No Solution Exploring Operation: 83+88=171, Resulting Numbers: [171] 171,60 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,60 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 49, 13, 48, 23 ]
24
[ "49-23=26", "13*48=624", "624/26=24" ]
Current State: 24:[49, 13, 48, 23], Operations: [] Exploring Operation: 49-23=26, Resulting Numbers: [13, 48, 26] Generated Node #2: [13, 48, 26] from Operation: 49-23=26 Current State: 24:[13, 48, 26], Operations: ['49-23=26'] Exploring Operation: 13*48=624, Resulting Numbers: [26, 624] Generated Node #3: [26, 624] from Operation: 13*48=624 Current State: 24:[26, 624], Operations: ['49-23=26', '13*48=624'] Exploring Operation: 624/26=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[49, 13, 48, 23], Operations: [] Exploring Operation: 49-23=26, Resulting Numbers: [13, 48, 26] Generated Node #0,0: 24:[13, 48, 26] Operation: 49-23=26 Exploring Operation: 49-48=1, Resulting Numbers: [13, 23, 1] Generated Node #0,1: 24:[13, 23, 1] Operation: 49-48=1 Moving to Node #0,1 Current State: 24:[13, 23, 1], Operations: ['49-48=1'] Exploring Operation: 23+1=24, Resulting Numbers: [13, 24] Generated Node #0,1,0: 24:[13, 24] Operation: 23+1=24 Exploring Operation: 13-1=12, Resulting Numbers: [23, 12] Generated Node #0,1,1: 24:[23, 12] Operation: 13-1=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[13, 24], Operations: ['49-48=1', '23+1=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,24 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,24 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 #0,1,1 Current State: 24:[23, 12], Operations: ['49-48=1', '13-1=12'] Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,24 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,24 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: 24:[13, 48, 26], Operations: ['49-23=26'] Exploring Operation: 48-26=22, Resulting Numbers: [13, 22] Generated Node #0,0,0: 24:[13, 22] Operation: 48-26=22 Exploring Operation: 48-13=35, Resulting Numbers: [26, 35] Generated Node #0,0,1: 24:[26, 35] Operation: 48-13=35 Moving to Node #0,0,0 Current State: 24:[13, 22], Operations: ['49-23=26', '48-26=22'] Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,24 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[26, 35], Operations: ['49-23=26', '48-13=35'] Exploring Operation: 26+35=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,24 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 9, 14, 41, 92 ]
46
[ "14-9=5", "92-41=51", "51-5=46" ]
Current State: 46:[9, 14, 41, 92], Operations: [] Exploring Operation: 14-9=5, Resulting Numbers: [41, 92, 5] Generated Node #2: [41, 92, 5] from Operation: 14-9=5 Current State: 46:[41, 92, 5], Operations: ['14-9=5'] Exploring Operation: 92-41=51, Resulting Numbers: [5, 51] Generated Node #3: [5, 51] from Operation: 92-41=51 Current State: 46:[5, 51], Operations: ['14-9=5', '92-41=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[9, 14, 41, 92], Operations: [] Exploring Operation: 9+14=23, Resulting Numbers: [41, 92, 23] Generated Node #0,0: 46:[41, 92, 23] Operation: 9+14=23 Exploring Operation: 92-14=78, Resulting Numbers: [9, 41, 78] Generated Node #0,1: 46:[9, 41, 78] Operation: 92-14=78 Exploring Operation: 92-41=51, Resulting Numbers: [9, 14, 51] Generated Node #0,2: 46:[9, 14, 51] Operation: 92-41=51 Moving to Node #0,2 Current State: 46:[9, 14, 51], Operations: ['92-41=51'] Exploring Operation: 51-9=42, Resulting Numbers: [14, 42] Generated Node #0,2,0: 46:[14, 42] Operation: 51-9=42 Exploring Operation: 14-9=5, Resulting Numbers: [51, 5] Generated Node #0,2,1: 46:[51, 5] Operation: 14-9=5 Exploring Operation: 9+14=23, Resulting Numbers: [51, 23] Generated Node #0,2,2: 46:[51, 23] Operation: 9+14=23 Moving to Node #0,1 Current State: 46:[9, 41, 78], Operations: ['92-14=78'] Exploring Operation: 9+41=50, Resulting Numbers: [78, 50] Generated Node #0,1,0: 46:[78, 50] Operation: 9+41=50 Exploring Operation: 78-41=37, Resulting Numbers: [9, 37] Generated Node #0,1,1: 46:[9, 37] Operation: 78-41=37 Exploring Operation: 78-9=69, Resulting Numbers: [41, 69] Generated Node #0,1,2: 46:[41, 69] Operation: 78-9=69 Moving to Node #0,0 Current State: 46:[41, 92, 23], Operations: ['9+14=23'] Exploring Operation: 92/23=4, Resulting Numbers: [41, 4] Generated Node #0,0,0: 46:[41, 4] Operation: 92/23=4 Exploring Operation: 92-41=51, Resulting Numbers: [23, 51] Generated Node #0,0,1: 46:[23, 51] Operation: 92-41=51 Exploring Operation: 92-23=69, Resulting Numbers: [41, 69] Generated Node #0,0,2: 46:[41, 69] Operation: 92-23=69 Moving to Node #0,2,2 Current State: 46:[51, 23], Operations: ['92-41=51', '9+14=23'] Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,46 unequal: No Solution Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[23, 51], Operations: ['9+14=23', '92-41=51'] Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,46 unequal: No Solution Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[41, 4], Operations: ['9+14=23', '92/23=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,46 unequal: No Solution Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[51, 5], Operations: ['92-41=51', '14-9=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[9, 14, 41, 92], Operations: [] Exploring Operation: 92-41=51, Resulting Numbers: [9, 14, 51] Generated Node #0,2: 46:[9, 14, 51] Operation: 92-41=51 Moving to Node #0,2 Current State: 46:[9, 14, 51], Operations: ['92-41=51'] Exploring Operation: 14-9=5, Resulting Numbers: [51, 5] Generated Node #0,2,1: 46:[51, 5] Operation: 14-9=5 Moving to Node #0,2,1 Current State: 46:[51, 5], Operations: ['92-41=51', '14-9=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 19, 12, 10, 46 ]
62
[ "19-10=9", "12*9=108", "108-46=62" ]
Current State: 62:[19, 12, 10, 46], Operations: [] Exploring Operation: 19-10=9, Resulting Numbers: [12, 46, 9] Generated Node #2: [12, 46, 9] from Operation: 19-10=9 Current State: 62:[12, 46, 9], Operations: ['19-10=9'] Exploring Operation: 12*9=108, Resulting Numbers: [46, 108] Generated Node #3: [46, 108] from Operation: 12*9=108 Current State: 62:[46, 108], Operations: ['19-10=9', '12*9=108'] Exploring Operation: 108-46=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 12, 10, 46], Operations: [] Exploring Operation: 12+46=58, Resulting Numbers: [19, 10, 58] Generated Node #0,0: 62:[19, 10, 58] Operation: 12+46=58 Exploring Operation: 19+46=65, Resulting Numbers: [12, 10, 65] Generated Node #0,1: 62:[12, 10, 65] Operation: 19+46=65 Exploring Operation: 46-19=27, Resulting Numbers: [12, 10, 27] Generated Node #0,2: 62:[12, 10, 27] Operation: 46-19=27 Exploring Operation: 46-12=34, Resulting Numbers: [19, 10, 34] Generated Node #0,3: 62:[19, 10, 34] Operation: 46-12=34 Exploring Operation: 19+12=31, Resulting Numbers: [10, 46, 31] Generated Node #0,4: 62:[10, 46, 31] Operation: 19+12=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[12, 10, 65], Operations: ['19+46=65'] Exploring Operation: 65-10=55, Resulting Numbers: [12, 55] Generated Node #0,1,0: 62:[12, 55] Operation: 65-10=55 Exploring Operation: 12+65=77, Resulting Numbers: [10, 77] Generated Node #0,1,1: 62:[10, 77] Operation: 12+65=77 Exploring Operation: 12-10=2, Resulting Numbers: [65, 2] Generated Node #0,1,2: 62:[65, 2] Operation: 12-10=2 Exploring Operation: 65-12=53, Resulting Numbers: [10, 53] Generated Node #0,1,3: 62:[10, 53] Operation: 65-12=53 Exploring Operation: 12+10=22, Resulting Numbers: [65, 22] Generated Node #0,1,4: 62:[65, 22] Operation: 12+10=22 Moving to Node #0,1,2 Current State: 62:[65, 2], Operations: ['19+46=65', '12-10=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 65*2=130, Resulting Numbers: [130] 130,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[65, 22], Operations: ['19+46=65', '12+10=22'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[12, 55], Operations: ['19+46=65', '65-10=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[10, 53], Operations: ['19+46=65', '65-12=53'] Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[10, 77], Operations: ['19+46=65', '12+65=77'] Exploring Operation: 10+77=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 10*77=770, Resulting Numbers: [770] 770,62 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 Current State: 62:[12, 10, 27], Operations: ['46-19=27'] Exploring Operation: 12+10=22, Resulting Numbers: [27, 22] Generated Node #0,2,0: 62:[27, 22] Operation: 12+10=22 Exploring Operation: 27-12=15, Resulting Numbers: [10, 15] Generated Node #0,2,1: 62:[10, 15] Operation: 27-12=15 Exploring Operation: 12+27=39, Resulting Numbers: [10, 39] Generated Node #0,2,2: 62:[10, 39] Operation: 12+27=39 Exploring Operation: 12-10=2, Resulting Numbers: [27, 2] Generated Node #0,2,3: 62:[27, 2] Operation: 12-10=2 Exploring Operation: 10+27=37, Resulting Numbers: [12, 37] Generated Node #0,2,4: 62:[12, 37] Operation: 10+27=37 Moving to Node #0,2,3 Current State: 62:[27, 2], Operations: ['46-19=27', '12-10=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[27, 22], Operations: ['46-19=27', '12+10=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[10, 39], Operations: ['46-19=27', '12+27=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,62 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,62 unequal: No Solution Moving to Node #0,2,4 Current State: 62:[12, 37], Operations: ['46-19=27', '10+27=37'] Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,62 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[10, 15], Operations: ['46-19=27', '27-12=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,62 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 Current State: 62:[19, 10, 34], Operations: ['46-12=34'] Exploring Operation: 19+10=29, Resulting Numbers: [34, 29] Generated Node #0,3,0: 62:[34, 29] Operation: 19+10=29 Exploring Operation: 19-10=9, Resulting Numbers: [34, 9] Generated Node #0,3,1: 62:[34, 9] Operation: 19-10=9 Exploring Operation: 34-10=24, Resulting Numbers: [19, 24] Generated Node #0,3,2: 62:[19, 24] Operation: 34-10=24 Exploring Operation: 19+34=53, Resulting Numbers: [10, 53] Generated Node #0,3,3: 62:[10, 53] Operation: 19+34=53 Exploring Operation: 34-19=15, Resulting Numbers: [10, 15] Generated Node #0,3,4: 62:[10, 15] Operation: 34-19=15 Moving to Node #0,3,0 Current State: 62:[34, 29], Operations: ['46-12=34', '19+10=29'] Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,62 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,3,1 Current State: 62:[34, 9], Operations: ['46-12=34', '19-10=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,62 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[10, 53], Operations: ['46-12=34', '19+34=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,62 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[19, 24], Operations: ['46-12=34', '34-10=24'] Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,62 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,62 unequal: No Solution Moving to Node #0,3,4 Current State: 62:[10, 15], Operations: ['46-12=34', '34-19=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,62 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,62 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 #0,4 Current State: 62:[10, 46, 31], Operations: ['19+12=31'] Exploring Operation: 46-10=36, Resulting Numbers: [31, 36] Generated Node #0,4,0: 62:[31, 36] Operation: 46-10=36 Exploring Operation: 46+31=77, Resulting Numbers: [10, 77] Generated Node #0,4,1: 62:[10, 77] Operation: 46+31=77 Exploring Operation: 10+31=41, Resulting Numbers: [46, 41] Generated Node #0,4,2: 62:[46, 41] Operation: 10+31=41 Exploring Operation: 46-31=15, Resulting Numbers: [10, 15] Generated Node #0,4,3: 62:[10, 15] Operation: 46-31=15 Exploring Operation: 10+46=56, Resulting Numbers: [31, 56] Generated Node #0,4,4: 62:[31, 56] Operation: 10+46=56 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 62:[31, 36], Operations: ['19+12=31', '46-10=36'] Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,62 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 62:[31, 56], Operations: ['19+12=31', '10+46=56'] Exploring Operation: 31+56=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 31*56=1736, Resulting Numbers: [1736] 1736,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 62:[10, 15], Operations: ['19+12=31', '46-31=15'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,62 unequal: No Solution Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 62:[10, 77], Operations: ['19+12=31', '46+31=77'] Exploring Operation: 10+77=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 10*77=770, Resulting Numbers: [770] 770,62 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 62:[46, 41], Operations: ['19+12=31', '10+31=41'] Exploring Operation: 46*41=1886, Resulting Numbers: [1886] 1886,62 unequal: No Solution Exploring Operation: 46+41=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[19, 10, 58], Operations: ['12+46=58'] Exploring Operation: 19+10=29, Resulting Numbers: [58, 29] Generated Node #0,0,0: 62:[58, 29] Operation: 19+10=29 Exploring Operation: 10+58=68, Resulting Numbers: [19, 68] Generated Node #0,0,1: 62:[19, 68] Operation: 10+58=68 Exploring Operation: 19+58=77, Resulting Numbers: [10, 77] Generated Node #0,0,2: 62:[10, 77] Operation: 19+58=77 Exploring Operation: 58-19=39, Resulting Numbers: [10, 39] Generated Node #0,0,3: 62:[10, 39] Operation: 58-19=39 Exploring Operation: 19-10=9, Resulting Numbers: [58, 9] Generated Node #0,0,4: 62:[58, 9] Operation: 19-10=9 Moving to Node #0,0,0 Current State: 62:[58, 29], Operations: ['12+46=58', '19+10=29'] Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 58/29=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 58*29=1682, Resulting Numbers: [1682] 1682,62 unequal: No Solution Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[58, 9], Operations: ['12+46=58', '19-10=9'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,62 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[10, 39], Operations: ['12+46=58', '58-19=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,62 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[19, 68], Operations: ['12+46=58', '10+58=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,62 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[10, 77], Operations: ['12+46=58', '19+58=77'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 10+77=87, Resulting Numbers: [87] 87,62 unequal: No Solution Exploring Operation: 10*77=770, Resulting Numbers: [770] 770,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 19, 95, 23, 64 ]
11
[ "95-19=76", "23+64=87", "87-76=11" ]
Current State: 11:[19, 95, 23, 64], Operations: [] Exploring Operation: 95-19=76, Resulting Numbers: [23, 64, 76] Generated Node #2: [23, 64, 76] from Operation: 95-19=76 Current State: 11:[23, 64, 76], Operations: ['95-19=76'] Exploring Operation: 23+64=87, Resulting Numbers: [76, 87] Generated Node #3: [76, 87] from Operation: 23+64=87 Current State: 11:[76, 87], Operations: ['95-19=76', '23+64=87'] Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[19, 95, 23, 64], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [19, 23, 31] Generated Node #0,0: 11:[19, 23, 31] Operation: 95-64=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[19, 23, 31], Operations: ['95-64=31'] Exploring Operation: 31-23=8, Resulting Numbers: [19, 8] Generated Node #0,0,0: 11:[19, 8] Operation: 31-23=8 Moving to Node #0,0,0 Current State: 11:[19, 8], Operations: ['95-64=31', '31-23=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[19, 95, 23, 64], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [19, 23, 31] Generated Node #0,0: 11:[19, 23, 31] Operation: 95-64=31 Moving to Node #0,0 Current State: 11:[19, 23, 31], Operations: ['95-64=31'] Exploring Operation: 31-23=8, Resulting Numbers: [19, 8] Generated Node #0,0,0: 11:[19, 8] Operation: 31-23=8 Moving to Node #0,0,0 Current State: 11:[19, 8], Operations: ['95-64=31', '31-23=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 50, 95, 72, 3 ]
63
[ "95-50=45", "3*45=135", "135-72=63" ]
Current State: 63:[50, 95, 72, 3], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [72, 3, 45] Generated Node #2: [72, 3, 45] from Operation: 95-50=45 Current State: 63:[72, 3, 45], Operations: ['95-50=45'] Exploring Operation: 3*45=135, Resulting Numbers: [72, 135] Generated Node #3: [72, 135] from Operation: 3*45=135 Current State: 63:[72, 135], Operations: ['95-50=45', '3*45=135'] Exploring Operation: 135-72=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[50, 95, 72, 3], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [50, 3, 23] Generated Node #0,0: 63:[50, 3, 23] Operation: 95-72=23 Moving to Node #0,0 Current State: 63:[50, 3, 23], Operations: ['95-72=23'] Exploring Operation: 50-23=27, Resulting Numbers: [3, 27] Generated Node #0,0,0: 63:[3, 27] Operation: 50-23=27 Moving to Node #0,0,0 Current State: 63:[3, 27], Operations: ['95-72=23', '50-23=27'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,63 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 5, 30, 39, 22 ]
23
[ "30/5=6", "39-22=17", "6+17=23" ]
Current State: 23:[5, 30, 39, 22], Operations: [] Exploring Operation: 30/5=6, Resulting Numbers: [39, 22, 6] Generated Node #2: [39, 22, 6] from Operation: 30/5=6 Current State: 23:[39, 22, 6], Operations: ['30/5=6'] Exploring Operation: 39-22=17, Resulting Numbers: [6, 17] Generated Node #3: [6, 17] from Operation: 39-22=17 Current State: 23:[6, 17], Operations: ['30/5=6', '39-22=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[5, 30, 39, 22], Operations: [] Exploring Operation: 30-5=25, Resulting Numbers: [39, 22, 25] Generated Node #0,0: 23:[39, 22, 25] Operation: 30-5=25 Exploring Operation: 39-5=34, Resulting Numbers: [30, 22, 34] Generated Node #0,1: 23:[30, 22, 34] Operation: 39-5=34 Moving to Node #0,0 Current State: 23:[39, 22, 25], Operations: ['30-5=25'] Exploring Operation: 39-25=14, Resulting Numbers: [22, 14] Generated Node #0,0,0: 23:[22, 14] Operation: 39-25=14 Exploring Operation: 39-22=17, Resulting Numbers: [25, 17] Generated Node #0,0,1: 23:[25, 17] Operation: 39-22=17 Moving to Node #0,1 Current State: 23:[30, 22, 34], Operations: ['39-5=34'] Exploring Operation: 34-22=12, Resulting Numbers: [30, 12] Generated Node #0,1,0: 23:[30, 12] Operation: 34-22=12 Exploring Operation: 34-30=4, Resulting Numbers: [22, 4] Generated Node #0,1,1: 23:[22, 4] Operation: 34-30=4 Moving to Node #0,0,1 Current State: 23:[25, 17], Operations: ['30-5=25', '39-22=17'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[22, 14], Operations: ['30-5=25', '39-25=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,23 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[30, 12], Operations: ['39-5=34', '34-22=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[22, 4], Operations: ['39-5=34', '34-30=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,23 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 84, 79, 30, 4 ]
29
[ "84-79=5", "30+4=34", "34-5=29" ]
Current State: 29:[84, 79, 30, 4], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [30, 4, 5] Generated Node #2: [30, 4, 5] from Operation: 84-79=5 Current State: 29:[30, 4, 5], Operations: ['84-79=5'] Exploring Operation: 30+4=34, Resulting Numbers: [5, 34] Generated Node #3: [5, 34] from Operation: 30+4=34 Current State: 29:[5, 34], Operations: ['84-79=5', '30+4=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[84, 79, 30, 4], Operations: [] Exploring Operation: 84-30=54, Resulting Numbers: [79, 4, 54] Generated Node #0,0: 29:[79, 4, 54] Operation: 84-30=54 Exploring Operation: 79-30=49, Resulting Numbers: [84, 4, 49] Generated Node #0,1: 29:[84, 4, 49] Operation: 79-30=49 Exploring Operation: 84/4=21, Resulting Numbers: [79, 30, 21] Generated Node #0,2: 29:[79, 30, 21] Operation: 84/4=21 Exploring Operation: 84-79=5, Resulting Numbers: [30, 4, 5] Generated Node #0,3: 29:[30, 4, 5] Operation: 84-79=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[30, 4, 5], Operations: ['84-79=5'] Exploring Operation: 30-4=26, Resulting Numbers: [5, 26] Generated Node #0,3,0: 29:[5, 26] Operation: 30-4=26 Exploring Operation: 4*5=20, Resulting Numbers: [30, 20] Generated Node #0,3,1: 29:[30, 20] Operation: 4*5=20 Exploring Operation: 4+5=9, Resulting Numbers: [30, 9] Generated Node #0,3,2: 29:[30, 9] Operation: 4+5=9 Exploring Operation: 30+4=34, Resulting Numbers: [5, 34] Generated Node #0,3,3: 29:[5, 34] Operation: 30+4=34 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 29:[30, 20], Operations: ['84-79=5', '4*5=20'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 30*20=600, Resulting Numbers: [600] 600,29 unequal: No Solution Exploring Operation: 30+20=50, Resulting Numbers: [50] 50,29 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 #0,3,2 Current State: 29:[30, 9], Operations: ['84-79=5', '4+5=9'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,29 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 #0,3,0 Current State: 29:[5, 26], Operations: ['84-79=5', '30-4=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,29 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 #0,3,3 Current State: 29:[5, 34], Operations: ['84-79=5', '30+4=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 5*34=170, Resulting Numbers: [170] 170,29 unequal: No Solution Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[84, 79, 30, 4], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [30, 4, 5] Generated Node #0,3: 29:[30, 4, 5] Operation: 84-79=5 Moving to Node #0,3 Current State: 29:[30, 4, 5], Operations: ['84-79=5'] Exploring Operation: 30+4=34, Resulting Numbers: [5, 34] Generated Node #0,3,3: 29:[5, 34] Operation: 30+4=34 Moving to Node #0,3,3 Current State: 29:[5, 34], Operations: ['84-79=5', '30+4=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 19, 72, 74, 1 ]
40
[ "19+1=20", "74-72=2", "20*2=40" ]
Current State: 40:[19, 72, 74, 1], Operations: [] Exploring Operation: 19+1=20, Resulting Numbers: [72, 74, 20] Generated Node #2: [72, 74, 20] from Operation: 19+1=20 Current State: 40:[72, 74, 20], Operations: ['19+1=20'] Exploring Operation: 74-72=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 74-72=2 Current State: 40:[20, 2], Operations: ['19+1=20', '74-72=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[19, 72, 74, 1], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [19, 1, 2] Generated Node #0,0: 40:[19, 1, 2] Operation: 74-72=2 Exploring Operation: 72-19=53, Resulting Numbers: [74, 1, 53] Generated Node #0,1: 40:[74, 1, 53] Operation: 72-19=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[19, 1, 2], Operations: ['74-72=2'] Exploring Operation: 19*1=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 40:[2, 19] Operation: 19*1=19 Exploring Operation: 19+1=20, Resulting Numbers: [2, 20] Generated Node #0,0,1: 40:[2, 20] Operation: 19+1=20 Moving to Node #0,0,1 Current State: 40:[2, 20], Operations: ['74-72=2', '19+1=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[19, 72, 74, 1], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [19, 1, 2] Generated Node #0,0: 40:[19, 1, 2] Operation: 74-72=2 Moving to Node #0,0 Current State: 40:[19, 1, 2], Operations: ['74-72=2'] Exploring Operation: 19+1=20, Resulting Numbers: [2, 20] Generated Node #0,0,1: 40:[2, 20] Operation: 19+1=20 Moving to Node #0,0,1 Current State: 40:[2, 20], Operations: ['74-72=2', '19+1=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 28, 85, 74, 73 ]
57
[ "85-28=57", "74-73=1", "57*1=57" ]
Current State: 57:[28, 85, 74, 73], Operations: [] Exploring Operation: 85-28=57, Resulting Numbers: [74, 73, 57] Generated Node #2: [74, 73, 57] from Operation: 85-28=57 Current State: 57:[74, 73, 57], Operations: ['85-28=57'] Exploring Operation: 74-73=1, Resulting Numbers: [57, 1] Generated Node #3: [57, 1] from Operation: 74-73=1 Current State: 57:[57, 1], Operations: ['85-28=57', '74-73=1'] Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[28, 85, 74, 73], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [28, 74, 12] Generated Node #0,0: 57:[28, 74, 12] Operation: 85-73=12 Exploring Operation: 85-74=11, Resulting Numbers: [28, 73, 11] Generated Node #0,1: 57:[28, 73, 11] Operation: 85-74=11 Exploring Operation: 85-28=57, Resulting Numbers: [74, 73, 57] Generated Node #0,2: 57:[74, 73, 57] Operation: 85-28=57 Exploring Operation: 74-73=1, Resulting Numbers: [28, 85, 1] Generated Node #0,3: 57:[28, 85, 1] Operation: 74-73=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[28, 74, 12], Operations: ['85-73=12'] Exploring Operation: 28+12=40, Resulting Numbers: [74, 40] Generated Node #0,0,0: 57:[74, 40] Operation: 28+12=40 Exploring Operation: 28-12=16, Resulting Numbers: [74, 16] Generated Node #0,0,1: 57:[74, 16] Operation: 28-12=16 Exploring Operation: 74-28=46, Resulting Numbers: [12, 46] Generated Node #0,0,2: 57:[12, 46] Operation: 74-28=46 Exploring Operation: 74-12=62, Resulting Numbers: [28, 62] Generated Node #0,0,3: 57:[28, 62] Operation: 74-12=62 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[28, 62], Operations: ['85-73=12', '74-12=62'] Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,57 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:[12, 46], Operations: ['85-73=12', '74-28=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,57 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,57 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:[74, 16], Operations: ['85-73=12', '28-12=16'] Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 74*16=1184, Resulting Numbers: [1184] 1184,57 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:[74, 40], Operations: ['85-73=12', '28+12=40'] Exploring Operation: 74*40=2960, Resulting Numbers: [2960] 2960,57 unequal: No Solution Exploring Operation: 74-40=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 74+40=114, Resulting Numbers: [114] 114,57 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:[28, 73, 11], Operations: ['85-74=11'] Exploring Operation: 73-28=45, Resulting Numbers: [11, 45] Generated Node #0,1,0: 57:[11, 45] Operation: 73-28=45 Exploring Operation: 73-11=62, Resulting Numbers: [28, 62] Generated Node #0,1,1: 57:[28, 62] Operation: 73-11=62 Exploring Operation: 28-11=17, Resulting Numbers: [73, 17] Generated Node #0,1,2: 57:[73, 17] Operation: 28-11=17 Exploring Operation: 28+11=39, Resulting Numbers: [73, 39] Generated Node #0,1,3: 57:[73, 39] Operation: 28+11=39 Moving to Node #0,1,1 Current State: 57:[28, 62], Operations: ['85-74=11', '73-11=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[73, 17], Operations: ['85-74=11', '28-11=17'] Exploring Operation: 73-17=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 73*17=1241, Resulting Numbers: [1241] 1241,57 unequal: No Solution Exploring Operation: 73+17=90, Resulting Numbers: [90] 90,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[11, 45], Operations: ['85-74=11', '73-28=45'] Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[73, 39], Operations: ['85-74=11', '28+11=39'] Exploring Operation: 73*39=2847, Resulting Numbers: [2847] 2847,57 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,57 unequal: No Solution Exploring Operation: 73+39=112, Resulting Numbers: [112] 112,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[74, 73, 57], Operations: ['85-28=57'] Exploring Operation: 74-57=17, Resulting Numbers: [73, 17] Generated Node #0,2,0: 57:[73, 17] Operation: 74-57=17 Exploring Operation: 74+73=147, Resulting Numbers: [57, 147] Generated Node #0,2,1: 57:[57, 147] Operation: 74+73=147 Exploring Operation: 73-57=16, Resulting Numbers: [74, 16] Generated Node #0,2,2: 57:[74, 16] Operation: 73-57=16 Exploring Operation: 74-73=1, Resulting Numbers: [57, 1] Generated Node #0,2,3: 57:[57, 1] Operation: 74-73=1 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[57, 1], Operations: ['85-28=57', '74-73=1'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[28, 85, 74, 73], Operations: [] Exploring Operation: 85-28=57, Resulting Numbers: [74, 73, 57] Generated Node #0,2: 57:[74, 73, 57] Operation: 85-28=57 Moving to Node #0,2 Current State: 57:[74, 73, 57], Operations: ['85-28=57'] Exploring Operation: 74-73=1, Resulting Numbers: [57, 1] Generated Node #0,2,3: 57:[57, 1] Operation: 74-73=1 Moving to Node #0,2,3 Current State: 57:[57, 1], Operations: ['85-28=57', '74-73=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.959201
hs_4
mult_heuristic
[ 29, 12, 86, 70 ]
84
[ "70-12=58", "58/29=2", "86-2=84" ]
Current State: 84:[29, 12, 86, 70], Operations: [] Exploring Operation: 70-12=58, Resulting Numbers: [29, 86, 58] Generated Node #2: [29, 86, 58] from Operation: 70-12=58 Current State: 84:[29, 86, 58], Operations: ['70-12=58'] Exploring Operation: 58/29=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 58/29=2 Current State: 84:[86, 2], Operations: ['70-12=58', '58/29=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[29, 12, 86, 70], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [29, 12, 16] Generated Node #0,0: 84:[29, 12, 16] Operation: 86-70=16 Exploring Operation: 70-29=41, Resulting Numbers: [12, 86, 41] Generated Node #0,1: 84:[12, 86, 41] Operation: 70-29=41 Moving to Node #0,0 Current State: 84:[29, 12, 16], Operations: ['86-70=16'] Exploring Operation: 12+16=28, Resulting Numbers: [29, 28] Generated Node #0,0,0: 84:[29, 28] Operation: 12+16=28 Exploring Operation: 29-16=13, Resulting Numbers: [12, 13] Generated Node #0,0,1: 84:[12, 13] Operation: 29-16=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[29, 28], Operations: ['86-70=16', '12+16=28'] Exploring Operation: 29+28=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[12, 13], Operations: ['86-70=16', '29-16=13'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,84 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,84 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: 84:[12, 86, 41], Operations: ['70-29=41'] Exploring Operation: 86-41=45, Resulting Numbers: [12, 45] Generated Node #0,1,0: 84:[12, 45] Operation: 86-41=45 Exploring Operation: 41-12=29, Resulting Numbers: [86, 29] Generated Node #0,1,1: 84:[86, 29] Operation: 41-12=29 Moving to Node #0,1,0 Current State: 84:[12, 45], Operations: ['70-29=41', '86-41=45'] Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 12+45=57, Resulting Numbers: [57] 57,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[86, 29], Operations: ['70-29=41', '41-12=29'] Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 86+29=115, Resulting Numbers: [115] 115,84 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 40, 39, 33 ]
59
[ "40*39=1560", "1560/60=26", "33+26=59" ]
Current State: 59:[60, 40, 39, 33], Operations: [] Exploring Operation: 40*39=1560, Resulting Numbers: [60, 33, 1560] Generated Node #2: [60, 33, 1560] from Operation: 40*39=1560 Current State: 59:[60, 33, 1560], Operations: ['40*39=1560'] Exploring Operation: 1560/60=26, Resulting Numbers: [33, 26] Generated Node #3: [33, 26] from Operation: 1560/60=26 Current State: 59:[33, 26], Operations: ['40*39=1560', '1560/60=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[60, 40, 39, 33], Operations: [] Exploring Operation: 40+39=79, Resulting Numbers: [60, 33, 79] Generated Node #0,0: 59:[60, 33, 79] Operation: 40+39=79 Exploring Operation: 40+33=73, Resulting Numbers: [60, 39, 73] Generated Node #0,1: 59:[60, 39, 73] Operation: 40+33=73 Exploring Operation: 60-33=27, Resulting Numbers: [40, 39, 27] Generated Node #0,2: 59:[40, 39, 27] Operation: 60-33=27 Exploring Operation: 39+33=72, Resulting Numbers: [60, 40, 72] Generated Node #0,3: 59:[60, 40, 72] Operation: 39+33=72 Exploring Operation: 60+33=93, Resulting Numbers: [40, 39, 93] Generated Node #0,4: 59:[40, 39, 93] Operation: 60+33=93 Moving to Node #0,3 Current State: 59:[60, 40, 72], Operations: ['39+33=72'] Exploring Operation: 60-40=20, Resulting Numbers: [72, 20] Generated Node #0,3,0: 59:[72, 20] Operation: 60-40=20 Exploring Operation: 40+72=112, Resulting Numbers: [60, 112] Generated Node #0,3,1: 59:[60, 112] Operation: 40+72=112 Exploring Operation: 72-60=12, Resulting Numbers: [40, 12] Generated Node #0,3,2: 59:[40, 12] Operation: 72-60=12 Exploring Operation: 60+40=100, Resulting Numbers: [72, 100] Generated Node #0,3,3: 59:[72, 100] Operation: 60+40=100 Exploring Operation: 72-40=32, Resulting Numbers: [60, 32] Generated Node #0,3,4: 59:[60, 32] Operation: 72-40=32 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 59:[60, 32], Operations: ['39+33=72', '72-40=32'] Exploring Operation: 60*32=1920, Resulting Numbers: [1920] 1920,59 unequal: No Solution Exploring Operation: 60+32=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,59 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 #0,3,0 Current State: 59:[72, 20], Operations: ['39+33=72', '60-40=20'] Exploring Operation: 72*20=1440, Resulting Numbers: [1440] 1440,59 unequal: No Solution Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,59 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 #0,3,1 Current State: 59:[60, 112], Operations: ['39+33=72', '40+72=112'] Exploring Operation: 112-60=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 60+112=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 60*112=6720, Resulting Numbers: [6720] 6720,59 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 #0,3,3 Current State: 59:[72, 100], Operations: ['39+33=72', '60+40=100'] Exploring Operation: 72*100=7200, Resulting Numbers: [7200] 7200,59 unequal: No Solution Exploring Operation: 72+100=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 100-72=28, Resulting Numbers: [28] 28,59 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 #0,3,2 Current State: 59:[40, 12], Operations: ['39+33=72', '72-60=12'] Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,59 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,59 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:[60, 39, 73], Operations: ['40+33=73'] Exploring Operation: 73-60=13, Resulting Numbers: [39, 13] Generated Node #0,1,0: 59:[39, 13] Operation: 73-60=13 Exploring Operation: 60-39=21, Resulting Numbers: [73, 21] Generated Node #0,1,1: 59:[73, 21] Operation: 60-39=21 Exploring Operation: 60+39=99, Resulting Numbers: [73, 99] Generated Node #0,1,2: 59:[73, 99] Operation: 60+39=99 Exploring Operation: 39+73=112, Resulting Numbers: [60, 112] Generated Node #0,1,3: 59:[60, 112] Operation: 39+73=112 Exploring Operation: 73-39=34, Resulting Numbers: [60, 34] Generated Node #0,1,4: 59:[60, 34] Operation: 73-39=34 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 59:[60, 34], Operations: ['40+33=73', '73-39=34'] Exploring Operation: 60*34=2040, Resulting Numbers: [2040] 2040,59 unequal: No Solution Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 60+34=94, Resulting Numbers: [94] 94,59 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:[73, 21], Operations: ['40+33=73', '60-39=21'] Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 73*21=1533, Resulting Numbers: [1533] 1533,59 unequal: No Solution Exploring Operation: 73+21=94, Resulting Numbers: [94] 94,59 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 #0,1,2 Current State: 59:[73, 99], Operations: ['40+33=73', '60+39=99'] Exploring Operation: 73+99=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 99-73=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 73*99=7227, Resulting Numbers: [7227] 7227,59 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 #0,1,3 Current State: 59:[60, 112], Operations: ['40+33=73', '39+73=112'] Exploring Operation: 60*112=6720, Resulting Numbers: [6720] 6720,59 unequal: No Solution Exploring Operation: 112-60=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 60+112=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 #0,1,0 Current State: 59:[39, 13], Operations: ['40+33=73', '73-60=13'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,59 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: 59:[60, 33, 79], Operations: ['40+39=79'] Exploring Operation: 60-33=27, Resulting Numbers: [79, 27] Generated Node #0,0,0: 59:[79, 27] Operation: 60-33=27 Exploring Operation: 33+79=112, Resulting Numbers: [60, 112] Generated Node #0,0,1: 59:[60, 112] Operation: 33+79=112 Exploring Operation: 60+33=93, Resulting Numbers: [79, 93] Generated Node #0,0,2: 59:[79, 93] Operation: 60+33=93 Exploring Operation: 79-60=19, Resulting Numbers: [33, 19] Generated Node #0,0,3: 59:[33, 19] Operation: 79-60=19 Exploring Operation: 79-33=46, Resulting Numbers: [60, 46] Generated Node #0,0,4: 59:[60, 46] Operation: 79-33=46 Moving to Node #0,2 Current State: 59:[40, 39, 27], Operations: ['60-33=27'] Exploring Operation: 40+27=67, Resulting Numbers: [39, 67] Generated Node #0,2,0: 59:[39, 67] Operation: 40+27=67 Exploring Operation: 40+39=79, Resulting Numbers: [27, 79] Generated Node #0,2,1: 59:[27, 79] Operation: 40+39=79 Exploring Operation: 39-27=12, Resulting Numbers: [40, 12] Generated Node #0,2,2: 59:[40, 12] Operation: 39-27=12 Exploring Operation: 39+27=66, Resulting Numbers: [40, 66] Generated Node #0,2,3: 59:[40, 66] Operation: 39+27=66 Exploring Operation: 40-27=13, Resulting Numbers: [39, 13] Generated Node #0,2,4: 59:[39, 13] Operation: 40-27=13 Moving to Node #0,4 Current State: 59:[40, 39, 93], Operations: ['60+33=93'] Exploring Operation: 93-39=54, Resulting Numbers: [40, 54] Generated Node #0,4,0: 59:[40, 54] Operation: 93-39=54 Exploring Operation: 40+39=79, Resulting Numbers: [93, 79] Generated Node #0,4,1: 59:[93, 79] Operation: 40+39=79 Exploring Operation: 40-39=1, Resulting Numbers: [93, 1] Generated Node #0,4,2: 59:[93, 1] Operation: 40-39=1 Exploring Operation: 93-40=53, Resulting Numbers: [39, 53] Generated Node #0,4,3: 59:[39, 53] Operation: 93-40=53 Exploring Operation: 39+93=132, Resulting Numbers: [40, 132] Generated Node #0,4,4: 59:[40, 132] Operation: 39+93=132 Moving to Node #0,0,4 Current State: 59:[60, 46], Operations: ['40+39=79', '79-33=46'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[40, 54], Operations: ['60+33=93', '93-39=54'] Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[40, 66], Operations: ['60-33=27', '39+27=66'] Exploring Operation: 40+66=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 40*66=2640, Resulting Numbers: [2640] 2640,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[39, 53], Operations: ['60+33=93', '93-40=53'] Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,59 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[39, 67], Operations: ['60-33=27', '40+27=67'] Exploring Operation: 39+67=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 39*67=2613, Resulting Numbers: [2613] 2613,59 unequal: No Solution Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[79, 27], Operations: ['40+39=79', '60-33=27'] Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[27, 79], Operations: ['60-33=27', '40+39=79'] Exploring Operation: 27+79=106, Resulting Numbers: [106] 106,59 unequal: No Solution Exploring Operation: 27*79=2133, Resulting Numbers: [2133] 2133,59 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[93, 79], Operations: ['60+33=93', '40+39=79'] Exploring Operation: 93-79=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 93*79=7347, Resulting Numbers: [7347] 7347,59 unequal: No Solution Exploring Operation: 93+79=172, Resulting Numbers: [172] 172,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[60, 112], Operations: ['40+39=79', '33+79=112'] Exploring Operation: 112-60=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 60+112=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 60*112=6720, Resulting Numbers: [6720] 6720,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[79, 93], Operations: ['40+39=79', '60+33=93'] Exploring Operation: 79+93=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 93-79=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 79*93=7347, Resulting Numbers: [7347] 7347,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[39, 13], Operations: ['60-33=27', '40-27=13'] Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,59 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[33, 19], Operations: ['40+39=79', '79-60=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,59 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[40, 12], Operations: ['60-33=27', '39-27=12'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 40*12=480, Resulting Numbers: [480] 480,59 unequal: No Solution Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[93, 1], Operations: ['60+33=93', '40-39=1'] Exploring Operation: 93-1=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,59 unequal: No Solution Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,59 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[40, 132], Operations: ['60+33=93', '39+93=132'] Exploring Operation: 132-40=92, Resulting Numbers: [92] 92,59 unequal: No Solution Exploring Operation: 40+132=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 40*132=5280, Resulting Numbers: [5280] 5280,59 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 64, 68, 76, 32 ]
60
[ "64*68=4352", "4352/32=136", "136-76=60" ]
Current State: 60:[64, 68, 76, 32], Operations: [] Exploring Operation: 64*68=4352, Resulting Numbers: [76, 32, 4352] Generated Node #2: [76, 32, 4352] from Operation: 64*68=4352 Current State: 60:[76, 32, 4352], Operations: ['64*68=4352'] Exploring Operation: 4352/32=136, Resulting Numbers: [76, 136] Generated Node #3: [76, 136] from Operation: 4352/32=136 Current State: 60:[76, 136], Operations: ['64*68=4352', '4352/32=136'] Exploring Operation: 136-76=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[64, 68, 76, 32], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [68, 76, 2] Generated Node #0,0: 60:[68, 76, 2] Operation: 64/32=2 Exploring Operation: 76-68=8, Resulting Numbers: [64, 32, 8] Generated Node #0,1: 60:[64, 32, 8] Operation: 76-68=8 Exploring Operation: 76-64=12, Resulting Numbers: [68, 32, 12] Generated Node #0,2: 60:[68, 32, 12] Operation: 76-64=12 Exploring Operation: 68-64=4, Resulting Numbers: [76, 32, 4] Generated Node #0,3: 60:[76, 32, 4] Operation: 68-64=4 Moving to Node #0,1 Current State: 60:[64, 32, 8], Operations: ['76-68=8'] Exploring Operation: 64-32=32, Resulting Numbers: [8, 32] Generated Node #0,1,0: 60:[8, 32] Operation: 64-32=32 Exploring Operation: 32/8=4, Resulting Numbers: [64, 4] Generated Node #0,1,1: 60:[64, 4] Operation: 32/8=4 Exploring Operation: 64/32=2, Resulting Numbers: [8, 2] Generated Node #0,1,2: 60:[8, 2] Operation: 64/32=2 Exploring Operation: 64/8=8, Resulting Numbers: [32, 8] Generated Node #0,1,3: 60:[32, 8] Operation: 64/8=8 Moving to Node #0,2 Current State: 60:[68, 32, 12], Operations: ['76-64=12'] Exploring Operation: 68-12=56, Resulting Numbers: [32, 56] Generated Node #0,2,0: 60:[32, 56] Operation: 68-12=56 Exploring Operation: 32-12=20, Resulting Numbers: [68, 20] Generated Node #0,2,1: 60:[68, 20] Operation: 32-12=20 Exploring Operation: 68+12=80, Resulting Numbers: [32, 80] Generated Node #0,2,2: 60:[32, 80] Operation: 68+12=80 Exploring Operation: 68-32=36, Resulting Numbers: [12, 36] Generated Node #0,2,3: 60:[12, 36] Operation: 68-32=36 Moving to Node #0,3 Current State: 60:[76, 32, 4], Operations: ['68-64=4'] Exploring Operation: 76/4=19, Resulting Numbers: [32, 19] Generated Node #0,3,0: 60:[32, 19] Operation: 76/4=19 Exploring Operation: 76-32=44, Resulting Numbers: [4, 44] Generated Node #0,3,1: 60:[4, 44] Operation: 76-32=44 Exploring Operation: 76-4=72, Resulting Numbers: [32, 72] Generated Node #0,3,2: 60:[32, 72] Operation: 76-4=72 Exploring Operation: 32-4=28, Resulting Numbers: [76, 28] Generated Node #0,3,3: 60:[76, 28] Operation: 32-4=28 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[32, 19], Operations: ['68-64=4', '76/4=19'] Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,60 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,60 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,60 unequal: No Solution No 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: 60:[4, 44], Operations: ['68-64=4', '76-32=44'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,60 unequal: No Solution No 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: 60:[32, 72], Operations: ['68-64=4', '76-4=72'] Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,60 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,60 unequal: No Solution No 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: 60:[76, 28], Operations: ['68-64=4', '32-4=28'] Exploring Operation: 76+28=104, Resulting Numbers: [104] 104,60 unequal: No Solution Exploring Operation: 76*28=2128, Resulting Numbers: [2128] 2128,60 unequal: No Solution Exploring Operation: 76-28=48, Resulting Numbers: [48] 48,60 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: 60:[68, 76, 2], Operations: ['64/32=2'] Exploring Operation: 68-2=66, Resulting Numbers: [76, 66] Generated Node #0,0,0: 60:[76, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [76, 34] Generated Node #0,0,1: 60:[76, 34] Operation: 68/2=34 Exploring Operation: 76/2=38, Resulting Numbers: [68, 38] Generated Node #0,0,2: 60:[68, 38] Operation: 76/2=38 Exploring Operation: 76-68=8, Resulting Numbers: [2, 8] Generated Node #0,0,3: 60:[2, 8] Operation: 76-68=8 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 60:[2, 8], Operations: ['64/32=2', '76-68=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,60 unequal: No Solution No 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: 60:[68, 38], Operations: ['64/32=2', '76/2=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,60 unequal: No Solution Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,60 unequal: No Solution No 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: 60:[76, 34], Operations: ['64/32=2', '68/2=34'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 76+34=110, Resulting Numbers: [110] 110,60 unequal: No Solution Exploring Operation: 76*34=2584, Resulting Numbers: [2584] 2584,60 unequal: No Solution No 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: 60:[76, 66], Operations: ['64/32=2', '68-2=66'] Exploring Operation: 76-66=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 76+66=142, Resulting Numbers: [142] 142,60 unequal: No Solution Exploring Operation: 76*66=5016, Resulting Numbers: [5016] 5016,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 60:[8, 2], Operations: ['76-68=8', '64/32=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[64, 4], Operations: ['76-68=8', '32/8=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[64, 68, 76, 32], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [64, 32, 8] Generated Node #0,1: 60:[64, 32, 8] Operation: 76-68=8 Moving to Node #0,1 Current State: 60:[64, 32, 8], Operations: ['76-68=8'] Exploring Operation: 32/8=4, Resulting Numbers: [64, 4] Generated Node #0,1,1: 60:[64, 4] Operation: 32/8=4 Moving to Node #0,1,1 Current State: 60:[64, 4], Operations: ['76-68=8', '32/8=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.951389
hs_4
mult_heuristic
[ 7, 66, 23, 20 ]
87
[ "23-20=3", "7*3=21", "66+21=87" ]
Current State: 87:[7, 66, 23, 20], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [7, 66, 3] Generated Node #2: [7, 66, 3] from Operation: 23-20=3 Current State: 87:[7, 66, 3], Operations: ['23-20=3'] Exploring Operation: 7*3=21, Resulting Numbers: [66, 21] Generated Node #3: [66, 21] from Operation: 7*3=21 Current State: 87:[66, 21], Operations: ['23-20=3', '7*3=21'] Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[7, 66, 23, 20], Operations: [] Exploring Operation: 66+23=89, Resulting Numbers: [7, 20, 89] Generated Node #0,0: 87:[7, 20, 89] Operation: 66+23=89 Exploring Operation: 23-20=3, Resulting Numbers: [7, 66, 3] Generated Node #0,1: 87:[7, 66, 3] Operation: 23-20=3 Exploring Operation: 66+20=86, Resulting Numbers: [7, 23, 86] Generated Node #0,2: 87:[7, 23, 86] Operation: 66+20=86 Moving to Node #0,2 Current State: 87:[7, 23, 86], Operations: ['66+20=86'] Exploring Operation: 23-7=16, Resulting Numbers: [86, 16] Generated Node #0,2,0: 87:[86, 16] Operation: 23-7=16 Exploring Operation: 7+86=93, Resulting Numbers: [23, 93] Generated Node #0,2,1: 87:[23, 93] Operation: 7+86=93 Exploring Operation: 7+23=30, Resulting Numbers: [86, 30] Generated Node #0,2,2: 87:[86, 30] Operation: 7+23=30 Moving to Node #0,0 Current State: 87:[7, 20, 89], Operations: ['66+23=89'] Exploring Operation: 7+20=27, Resulting Numbers: [89, 27] Generated Node #0,0,0: 87:[89, 27] Operation: 7+20=27 Exploring Operation: 20-7=13, Resulting Numbers: [89, 13] Generated Node #0,0,1: 87:[89, 13] Operation: 20-7=13 Exploring Operation: 89-7=82, Resulting Numbers: [20, 82] Generated Node #0,0,2: 87:[20, 82] Operation: 89-7=82 Moving to Node #0,1 Current State: 87:[7, 66, 3], Operations: ['23-20=3'] Exploring Operation: 7-3=4, Resulting Numbers: [66, 4] Generated Node #0,1,0: 87:[66, 4] Operation: 7-3=4 Exploring Operation: 66/3=22, Resulting Numbers: [7, 22] Generated Node #0,1,1: 87:[7, 22] Operation: 66/3=22 Exploring Operation: 7+66=73, Resulting Numbers: [3, 73] Generated Node #0,1,2: 87:[3, 73] Operation: 7+66=73 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[7, 22], Operations: ['23-20=3', '66/3=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,87 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,87 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 #0,1,2 Current State: 87:[3, 73], Operations: ['23-20=3', '7+66=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,87 unequal: No Solution Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,87 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,87 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 #0,1,0 Current State: 87:[66, 4], Operations: ['23-20=3', '7-3=4'] Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,87 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,87 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 87:[86, 30], Operations: ['66+20=86', '7+23=30'] Exploring Operation: 86*30=2580, Resulting Numbers: [2580] 2580,87 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,87 unequal: No Solution Exploring Operation: 86+30=116, Resulting Numbers: [116] 116,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[89, 27], Operations: ['66+23=89', '7+20=27'] Exploring Operation: 89*27=2403, Resulting Numbers: [2403] 2403,87 unequal: No Solution Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,87 unequal: No Solution Exploring Operation: 89+27=116, Resulting Numbers: [116] 116,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[89, 13], Operations: ['66+23=89', '20-7=13'] Exploring Operation: 89*13=1157, Resulting Numbers: [1157] 1157,87 unequal: No Solution Exploring Operation: 89+13=102, Resulting Numbers: [102] 102,87 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[23, 93], Operations: ['66+20=86', '7+86=93'] Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 23+93=116, Resulting Numbers: [116] 116,87 unequal: No Solution Exploring Operation: 23*93=2139, Resulting Numbers: [2139] 2139,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[20, 82], Operations: ['66+23=89', '89-7=82'] Exploring Operation: 20+82=102, Resulting Numbers: [102] 102,87 unequal: No Solution Exploring Operation: 20*82=1640, Resulting Numbers: [1640] 1640,87 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[86, 16], Operations: ['66+20=86', '23-7=16'] Exploring Operation: 86+16=102, Resulting Numbers: [102] 102,87 unequal: No Solution Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,87 unequal: No Solution Exploring Operation: 86*16=1376, Resulting Numbers: [1376] 1376,87 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 83, 77, 15 ]
66
[ "4*15=60", "83-77=6", "60+6=66" ]
Current State: 66:[4, 83, 77, 15], Operations: [] Exploring Operation: 4*15=60, Resulting Numbers: [83, 77, 60] Generated Node #2: [83, 77, 60] from Operation: 4*15=60 Current State: 66:[83, 77, 60], Operations: ['4*15=60'] Exploring Operation: 83-77=6, Resulting Numbers: [60, 6] Generated Node #3: [60, 6] from Operation: 83-77=6 Current State: 66:[60, 6], Operations: ['4*15=60', '83-77=6'] Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[4, 83, 77, 15], Operations: [] Exploring Operation: 77-4=73, Resulting Numbers: [83, 15, 73] Generated Node #0,0: 66:[83, 15, 73] Operation: 77-4=73 Exploring Operation: 77-15=62, Resulting Numbers: [4, 83, 62] Generated Node #0,1: 66:[4, 83, 62] Operation: 77-15=62 Exploring Operation: 83-77=6, Resulting Numbers: [4, 15, 6] Generated Node #0,2: 66:[4, 15, 6] Operation: 83-77=6 Exploring Operation: 83-15=68, Resulting Numbers: [4, 77, 68] Generated Node #0,3: 66:[4, 77, 68] Operation: 83-15=68 Exploring Operation: 83-4=79, Resulting Numbers: [77, 15, 79] Generated Node #0,4: 66:[77, 15, 79] Operation: 83-4=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[4, 15, 6], Operations: ['83-77=6'] Exploring Operation: 15+6=21, Resulting Numbers: [4, 21] Generated Node #0,2,0: 66:[4, 21] Operation: 15+6=21 Exploring Operation: 6-4=2, Resulting Numbers: [15, 2] Generated Node #0,2,1: 66:[15, 2] Operation: 6-4=2 Exploring Operation: 15-4=11, Resulting Numbers: [6, 11] Generated Node #0,2,2: 66:[6, 11] Operation: 15-4=11 Exploring Operation: 4+15=19, Resulting Numbers: [6, 19] Generated Node #0,2,3: 66:[6, 19] Operation: 4+15=19 Exploring Operation: 15-6=9, Resulting Numbers: [4, 9] Generated Node #0,2,4: 66:[4, 9] Operation: 15-6=9 Moving to Node #0,2,2 Current State: 66:[6, 11], Operations: ['83-77=6', '15-4=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[4, 83, 77, 15], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [4, 15, 6] Generated Node #0,2: 66:[4, 15, 6] Operation: 83-77=6 Moving to Node #0,2 Current State: 66:[4, 15, 6], Operations: ['83-77=6'] Exploring Operation: 15-4=11, Resulting Numbers: [6, 11] Generated Node #0,2,2: 66:[6, 11] Operation: 15-4=11 Moving to Node #0,2,2 Current State: 66:[6, 11], Operations: ['83-77=6', '15-4=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 83, 97, 2, 84 ]
98
[ "83+97=180", "84-2=82", "180-82=98" ]
Current State: 98:[83, 97, 2, 84], Operations: [] Exploring Operation: 83+97=180, Resulting Numbers: [2, 84, 180] Generated Node #2: [2, 84, 180] from Operation: 83+97=180 Current State: 98:[2, 84, 180], Operations: ['83+97=180'] Exploring Operation: 84-2=82, Resulting Numbers: [180, 82] Generated Node #3: [180, 82] from Operation: 84-2=82 Current State: 98:[180, 82], Operations: ['83+97=180', '84-2=82'] Exploring Operation: 180-82=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[83, 97, 2, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [83, 2, 13] Generated Node #0,0: 98:[83, 2, 13] Operation: 97-84=13 Exploring Operation: 84/2=42, Resulting Numbers: [83, 97, 42] Generated Node #0,1: 98:[83, 97, 42] Operation: 84/2=42 Exploring Operation: 97-83=14, Resulting Numbers: [2, 84, 14] Generated Node #0,2: 98:[2, 84, 14] Operation: 97-83=14 Exploring Operation: 84-83=1, Resulting Numbers: [97, 2, 1] Generated Node #0,3: 98:[97, 2, 1] Operation: 84-83=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[97, 2, 1], Operations: ['84-83=1'] Exploring Operation: 97/1=97, Resulting Numbers: [2, 97] Generated Node #0,3,0: 98:[2, 97] Operation: 97/1=97 Exploring Operation: 2*1=2, Resulting Numbers: [97, 2] Generated Node #0,3,1: 98:[97, 2] Operation: 2*1=2 Exploring Operation: 97*1=97, Resulting Numbers: [2, 97] Generated Node #0,3,2: 98:[2, 97] Operation: 97*1=97 Exploring Operation: 97+1=98, Resulting Numbers: [2, 98] Generated Node #0,3,3: 98:[2, 98] Operation: 97+1=98 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[2, 98], Operations: ['84-83=1', '97+1=98'] Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 2*98=196, Resulting Numbers: [196] 196,98 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[2, 97], Operations: ['84-83=1', '97/1=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,98 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 2*97=194, Resulting Numbers: [194] 194,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[97, 2], Operations: ['84-83=1', '2*1=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,98 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[2, 97], Operations: ['84-83=1', '97*1=97'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 2*97=194, Resulting Numbers: [194] 194,98 unequal: No Solution Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[2, 84, 14], Operations: ['97-83=14'] Exploring Operation: 84/2=42, Resulting Numbers: [14, 42] Generated Node #0,2,0: 98:[14, 42] Operation: 84/2=42 Exploring Operation: 84/14=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 98:[2, 6] Operation: 84/14=6 Exploring Operation: 84+14=98, Resulting Numbers: [2, 98] Generated Node #0,2,2: 98:[2, 98] Operation: 84+14=98 Exploring Operation: 2+84=86, Resulting Numbers: [14, 86] Generated Node #0,2,3: 98:[14, 86] Operation: 2+84=86 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[2, 98], Operations: ['97-83=14', '84+14=98'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 2*98=196, Resulting Numbers: [196] 196,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[2, 6], Operations: ['97-83=14', '84/14=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[14, 42], Operations: ['97-83=14', '84/2=42'] Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 14*42=588, Resulting Numbers: [588] 588,98 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 98:[14, 86], Operations: ['97-83=14', '2+84=86'] Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 14*86=1204, Resulting Numbers: [1204] 1204,98 unequal: No Solution Exploring Operation: 14+86=100, Resulting Numbers: [100] 100,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[83, 2, 13], Operations: ['97-84=13'] Exploring Operation: 83+13=96, Resulting Numbers: [2, 96] Generated Node #0,0,0: 98:[2, 96] Operation: 83+13=96 Exploring Operation: 83+2=85, Resulting Numbers: [13, 85] Generated Node #0,0,1: 98:[13, 85] Operation: 83+2=85 Exploring Operation: 2+13=15, Resulting Numbers: [83, 15] Generated Node #0,0,2: 98:[83, 15] Operation: 2+13=15 Exploring Operation: 83-2=81, Resulting Numbers: [13, 81] Generated Node #0,0,3: 98:[13, 81] Operation: 83-2=81 Moving to Node #0,0,0 Current State: 98:[2, 96], Operations: ['97-84=13', '83+13=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[83, 97, 2, 84], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [83, 2, 13] Generated Node #0,0: 98:[83, 2, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 98:[83, 2, 13], Operations: ['97-84=13'] Exploring Operation: 83+13=96, Resulting Numbers: [2, 96] Generated Node #0,0,0: 98:[2, 96] Operation: 83+13=96 Moving to Node #0,0,0 Current State: 98:[2, 96], Operations: ['97-84=13', '83+13=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_4
sum_heuristic
[ 38, 15, 3, 83 ]
50
[ "83-38=45", "15/3=5", "45+5=50" ]
Current State: 50:[38, 15, 3, 83], Operations: [] Exploring Operation: 83-38=45, Resulting Numbers: [15, 3, 45] Generated Node #2: [15, 3, 45] from Operation: 83-38=45 Current State: 50:[15, 3, 45], Operations: ['83-38=45'] Exploring Operation: 15/3=5, Resulting Numbers: [45, 5] Generated Node #3: [45, 5] from Operation: 15/3=5 Current State: 50:[45, 5], Operations: ['83-38=45', '15/3=5'] Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[38, 15, 3, 83], Operations: [] Exploring Operation: 83-38=45, Resulting Numbers: [15, 3, 45] Generated Node #0,0: 50:[15, 3, 45] Operation: 83-38=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[15, 3, 45], Operations: ['83-38=45'] Exploring Operation: 45/15=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 50:[3, 3] Operation: 45/15=3 Moving to Node #0,0,0 Current State: 50:[3, 3], Operations: ['83-38=45', '45/15=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 75, 86, 64 ]
39
[ "36+75=111", "86+64=150", "150-111=39" ]
Current State: 39:[36, 75, 86, 64], Operations: [] Exploring Operation: 36+75=111, Resulting Numbers: [86, 64, 111] Generated Node #2: [86, 64, 111] from Operation: 36+75=111 Current State: 39:[86, 64, 111], Operations: ['36+75=111'] Exploring Operation: 86+64=150, Resulting Numbers: [111, 150] Generated Node #3: [111, 150] from Operation: 86+64=150 Current State: 39:[111, 150], Operations: ['36+75=111', '86+64=150'] Exploring Operation: 150-111=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[36, 75, 86, 64], Operations: [] Exploring Operation: 86-75=11, Resulting Numbers: [36, 64, 11] Generated Node #0,0: 39:[36, 64, 11] Operation: 86-75=11 Moving to Node #0,0 Current State: 39:[36, 64, 11], Operations: ['86-75=11'] Exploring Operation: 64-36=28, Resulting Numbers: [11, 28] Generated Node #0,0,0: 39:[11, 28] Operation: 64-36=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[11, 28], Operations: ['86-75=11', '64-36=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[36, 75, 86, 64], Operations: [] Exploring Operation: 86-75=11, Resulting Numbers: [36, 64, 11] Generated Node #0,0: 39:[36, 64, 11] Operation: 86-75=11 Moving to Node #0,0 Current State: 39:[36, 64, 11], Operations: ['86-75=11'] Exploring Operation: 64-36=28, Resulting Numbers: [11, 28] Generated Node #0,0,0: 39:[11, 28] Operation: 64-36=28 Moving to Node #0,0,0 Current State: 39:[11, 28], Operations: ['86-75=11', '64-36=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 90, 81, 15 ]
32
[ "90/30=3", "81+15=96", "96/3=32" ]
Current State: 32:[30, 90, 81, 15], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [81, 15, 3] Generated Node #2: [81, 15, 3] from Operation: 90/30=3 Current State: 32:[81, 15, 3], Operations: ['90/30=3'] Exploring Operation: 81+15=96, Resulting Numbers: [3, 96] Generated Node #3: [3, 96] from Operation: 81+15=96 Current State: 32:[3, 96], Operations: ['90/30=3', '81+15=96'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[30, 90, 81, 15], Operations: [] Exploring Operation: 90-30=60, Resulting Numbers: [81, 15, 60] Generated Node #0,0: 32:[81, 15, 60] Operation: 90-30=60 Exploring Operation: 90/30=3, Resulting Numbers: [81, 15, 3] Generated Node #0,1: 32:[81, 15, 3] Operation: 90/30=3 Exploring Operation: 90-81=9, Resulting Numbers: [30, 15, 9] Generated Node #0,2: 32:[30, 15, 9] Operation: 90-81=9 Exploring Operation: 90/15=6, Resulting Numbers: [30, 81, 6] Generated Node #0,3: 32:[30, 81, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[30, 15, 9], Operations: ['90-81=9'] Exploring Operation: 30-15=15, Resulting Numbers: [9, 15] Generated Node #0,2,0: 32:[9, 15] Operation: 30-15=15 Exploring Operation: 30/15=2, Resulting Numbers: [9, 2] Generated Node #0,2,1: 32:[9, 2] Operation: 30/15=2 Exploring Operation: 15-9=6, Resulting Numbers: [30, 6] Generated Node #0,2,2: 32:[30, 6] Operation: 15-9=6 Exploring Operation: 30-9=21, Resulting Numbers: [15, 21] Generated Node #0,2,3: 32:[15, 21] Operation: 30-9=21 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[9, 2], Operations: ['90-81=9', '30/15=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,32 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,32 unequal: No Solution No 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: 32:[9, 15], Operations: ['90-81=9', '30-15=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,32 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,32 unequal: No Solution No 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: 32:[30, 6], Operations: ['90-81=9', '15-9=6'] Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,32 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,32 unequal: No Solution No 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: 32:[15, 21], Operations: ['90-81=9', '30-9=21'] Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,32 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,32 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: 32:[81, 15, 3], Operations: ['90/30=3'] Exploring Operation: 81/3=27, Resulting Numbers: [15, 27] Generated Node #0,1,0: 32:[15, 27] Operation: 81/3=27 Exploring Operation: 81-15=66, Resulting Numbers: [3, 66] Generated Node #0,1,1: 32:[3, 66] Operation: 81-15=66 Exploring Operation: 15/3=5, Resulting Numbers: [81, 5] Generated Node #0,1,2: 32:[81, 5] Operation: 15/3=5 Exploring Operation: 81-3=78, Resulting Numbers: [15, 78] Generated Node #0,1,3: 32:[15, 78] Operation: 81-3=78 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[15, 27], Operations: ['90/30=3', '81/3=27'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,32 unequal: No Solution Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,32 unequal: No Solution No 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: 32:[3, 66], Operations: ['90/30=3', '81-15=66'] Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,32 unequal: No Solution No 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: 32:[15, 78], Operations: ['90/30=3', '81-3=78'] Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,32 unequal: No Solution Exploring Operation: 15+78=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 15*78=1170, Resulting Numbers: [1170] 1170,32 unequal: No Solution No 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: 32:[81, 5], Operations: ['90/30=3', '15/3=5'] Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,32 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,32 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,32 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: 32:[30, 81, 6], Operations: ['90/15=6'] Exploring Operation: 81-30=51, Resulting Numbers: [6, 51] Generated Node #0,3,0: 32:[6, 51] Operation: 81-30=51 Exploring Operation: 30+6=36, Resulting Numbers: [81, 36] Generated Node #0,3,1: 32:[81, 36] Operation: 30+6=36 Exploring Operation: 30/6=5, Resulting Numbers: [81, 5] Generated Node #0,3,2: 32:[81, 5] Operation: 30/6=5 Exploring Operation: 81-6=75, Resulting Numbers: [30, 75] Generated Node #0,3,3: 32:[30, 75] Operation: 81-6=75 Moving to Node #0,3,0 Current State: 32:[6, 51], Operations: ['90/15=6', '81-30=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[30, 75], Operations: ['90/15=6', '81-6=75'] Exploring Operation: 30*75=2250, Resulting Numbers: [2250] 2250,32 unequal: No Solution Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 30+75=105, Resulting Numbers: [105] 105,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[81, 5], Operations: ['90/15=6', '30/6=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,32 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,32 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[81, 36], Operations: ['90/15=6', '30+6=36'] Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,32 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[81, 15, 60], Operations: ['90-30=60'] Exploring Operation: 60/15=4, Resulting Numbers: [81, 4] Generated Node #0,0,0: 32:[81, 4] Operation: 60/15=4 Exploring Operation: 81-15=66, Resulting Numbers: [60, 66] Generated Node #0,0,1: 32:[60, 66] Operation: 81-15=66 Exploring Operation: 60-15=45, Resulting Numbers: [81, 45] Generated Node #0,0,2: 32:[81, 45] Operation: 60-15=45 Exploring Operation: 81-60=21, Resulting Numbers: [15, 21] Generated Node #0,0,3: 32:[15, 21] Operation: 81-60=21 Moving to Node #0,0,3 Current State: 32:[15, 21], Operations: ['90-30=60', '81-60=21'] Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[81, 4], Operations: ['90-30=60', '60/15=4'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,32 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[81, 45], Operations: ['90-30=60', '60-15=45'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,32 unequal: No Solution Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[60, 66], Operations: ['90-30=60', '81-15=66'] Exploring Operation: 60*66=3960, Resulting Numbers: [3960] 3960,32 unequal: No Solution Exploring Operation: 60+66=126, Resulting Numbers: [126] 126,32 unequal: No Solution Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,32 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
[ 50, 42, 7, 84 ]
28
[ "50-42=8", "7*8=56", "84-56=28" ]
Current State: 28:[50, 42, 7, 84], Operations: [] Exploring Operation: 50-42=8, Resulting Numbers: [7, 84, 8] Generated Node #2: [7, 84, 8] from Operation: 50-42=8 Current State: 28:[7, 84, 8], Operations: ['50-42=8'] Exploring Operation: 7*8=56, Resulting Numbers: [84, 56] Generated Node #3: [84, 56] from Operation: 7*8=56 Current State: 28:[84, 56], Operations: ['50-42=8', '7*8=56'] Exploring Operation: 84-56=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[50, 42, 7, 84], Operations: [] Exploring Operation: 84-50=34, Resulting Numbers: [42, 7, 34] Generated Node #0,0: 28:[42, 7, 34] Operation: 84-50=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[42, 7, 34], Operations: ['84-50=34'] Exploring Operation: 42-34=8, Resulting Numbers: [7, 8] Generated Node #0,0,0: 28:[7, 8] Operation: 42-34=8 Moving to Node #0,0,0 Current State: 28:[7, 8], Operations: ['84-50=34', '42-34=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,28 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, 3, 60, 52 ]
79
[ "49+52=101", "3*60=180", "180-101=79" ]
Current State: 79:[49, 3, 60, 52], Operations: [] Exploring Operation: 49+52=101, Resulting Numbers: [3, 60, 101] Generated Node #2: [3, 60, 101] from Operation: 49+52=101 Current State: 79:[3, 60, 101], Operations: ['49+52=101'] Exploring Operation: 3*60=180, Resulting Numbers: [101, 180] Generated Node #3: [101, 180] from Operation: 3*60=180 Current State: 79:[101, 180], Operations: ['49+52=101', '3*60=180'] Exploring Operation: 180-101=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[49, 3, 60, 52], Operations: [] Exploring Operation: 49+3=52, Resulting Numbers: [60, 52, 52] Generated Node #0,0: 79:[60, 52, 52] Operation: 49+3=52 Exploring Operation: 3+60=63, Resulting Numbers: [49, 52, 63] Generated Node #0,1: 79:[49, 52, 63] Operation: 3+60=63 Exploring Operation: 3+52=55, Resulting Numbers: [49, 60, 55] Generated Node #0,2: 79:[49, 60, 55] Operation: 3+52=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[60, 52, 52], Operations: ['49+3=52'] Exploring Operation: 60+52=112, Resulting Numbers: [52, 112] Generated Node #0,0,0: 79:[52, 112] Operation: 60+52=112 Exploring Operation: 60+52=112, Resulting Numbers: [52, 112] Generated Node #0,0,1: 79:[52, 112] Operation: 60+52=112 Exploring Operation: 52+52=104, Resulting Numbers: [60, 104] Generated Node #0,0,2: 79:[60, 104] Operation: 52+52=104 Moving to Node #0,0,2 Current State: 79:[60, 104], Operations: ['49+3=52', '52+52=104'] Exploring Operation: 60+104=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 104-60=44, Resulting Numbers: [44] 44,79 unequal: No Solution Exploring Operation: 60*104=6240, Resulting Numbers: [6240] 6240,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[52, 112], Operations: ['49+3=52', '60+52=112'] Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 52*112=5824, Resulting Numbers: [5824] 5824,79 unequal: No Solution Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[52, 112], Operations: ['49+3=52', '60+52=112'] Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,79 unequal: No Solution Exploring Operation: 52*112=5824, Resulting Numbers: [5824] 5824,79 unequal: No Solution Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[49, 52, 63], Operations: ['3+60=63'] Exploring Operation: 52+63=115, Resulting Numbers: [49, 115] Generated Node #0,1,0: 79:[49, 115] Operation: 52+63=115 Exploring Operation: 49+63=112, Resulting Numbers: [52, 112] Generated Node #0,1,1: 79:[52, 112] Operation: 49+63=112 Exploring Operation: 49+52=101, Resulting Numbers: [63, 101] Generated Node #0,1,2: 79:[63, 101] Operation: 49+52=101 Moving to Node #0,1,2 Current State: 79:[63, 101], Operations: ['3+60=63', '49+52=101'] Exploring Operation: 63*101=6363, Resulting Numbers: [6363] 6363,79 unequal: No Solution Exploring Operation: 63+101=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 101-63=38, Resulting Numbers: [38] 38,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[52, 112], Operations: ['3+60=63', '49+63=112'] Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,79 unequal: No Solution Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 52*112=5824, Resulting Numbers: [5824] 5824,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[49, 115], Operations: ['3+60=63', '52+63=115'] Exploring Operation: 49+115=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 49*115=5635, Resulting Numbers: [5635] 5635,79 unequal: No Solution Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[49, 60, 55], Operations: ['3+52=55'] Exploring Operation: 60+55=115, Resulting Numbers: [49, 115] Generated Node #0,2,0: 79:[49, 115] Operation: 60+55=115 Exploring Operation: 49+55=104, Resulting Numbers: [60, 104] Generated Node #0,2,1: 79:[60, 104] Operation: 49+55=104 Exploring Operation: 49+60=109, Resulting Numbers: [55, 109] Generated Node #0,2,2: 79:[55, 109] Operation: 49+60=109 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[60, 104], Operations: ['3+52=55', '49+55=104'] Exploring Operation: 60+104=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 60*104=6240, Resulting Numbers: [6240] 6240,79 unequal: No Solution Exploring Operation: 104-60=44, Resulting Numbers: [44] 44,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[55, 109], Operations: ['3+52=55', '49+60=109'] Exploring Operation: 55+109=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 55*109=5995, Resulting Numbers: [5995] 5995,79 unequal: No Solution Exploring Operation: 109-55=54, Resulting Numbers: [54] 54,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[49, 115], Operations: ['3+52=55', '60+55=115'] Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 49*115=5635, Resulting Numbers: [5635] 5635,79 unequal: No Solution Exploring Operation: 49+115=164, Resulting Numbers: [164] 164,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic