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
[ 97, 9, 75, 99 ]
82
[ "97+9=106", "99-75=24", "106-24=82" ]
Current State: 82:[97, 9, 75, 99], Operations: [] Exploring Operation: 97+9=106, Resulting Numbers: [75, 99, 106] Generated Node #2: [75, 99, 106] from Operation: 97+9=106 Current State: 82:[75, 99, 106], Operations: ['97+9=106'] Exploring Operation: 99-75=24, Resulting Numbers: [106, 24] Generated Node #3: [106, 24] from Operation: 99-75=24 Current State: 82:[106, 24], Operations: ['97+9=106', '99-75=24'] Exploring Operation: 106-24=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[97, 9, 75, 99], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [9, 75, 2] Generated Node #0,0: 82:[9, 75, 2] Operation: 99-97=2 Exploring Operation: 97-9=88, Resulting Numbers: [75, 99, 88] Generated Node #0,1: 82:[75, 99, 88] Operation: 97-9=88 Moving to Node #0,0 Current State: 82:[9, 75, 2], Operations: ['99-97=2'] Exploring Operation: 9-2=7, Resulting Numbers: [75, 7] Generated Node #0,0,0: 82:[75, 7] Operation: 9-2=7 Exploring Operation: 9+75=84, Resulting Numbers: [2, 84] Generated Node #0,0,1: 82:[2, 84] Operation: 9+75=84 Moving to Node #0,1 Current State: 82:[75, 99, 88], Operations: ['97-9=88'] Exploring Operation: 99-75=24, Resulting Numbers: [88, 24] Generated Node #0,1,0: 82:[88, 24] Operation: 99-75=24 Exploring Operation: 99-88=11, Resulting Numbers: [75, 11] Generated Node #0,1,1: 82:[75, 11] Operation: 99-88=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[75, 11], Operations: ['97-9=88', '99-88=11'] Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,82 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,82 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 #0,1,0 Current State: 82:[88, 24], Operations: ['97-9=88', '99-75=24'] Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 88+24=112, Resulting Numbers: [112] 112,82 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: 82:[2, 84], Operations: ['99-97=2', '9+75=84'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[97, 9, 75, 99], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [9, 75, 2] Generated Node #0,0: 82:[9, 75, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 82:[9, 75, 2], Operations: ['99-97=2'] Exploring Operation: 9+75=84, Resulting Numbers: [2, 84] Generated Node #0,0,1: 82:[2, 84] Operation: 9+75=84 Moving to Node #0,0,1 Current State: 82:[2, 84], Operations: ['99-97=2', '9+75=84'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 33, 21, 28, 12 ]
27
[ "33-21=12", "12/12=1", "28-1=27" ]
Current State: 27:[33, 21, 28, 12], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [28, 12, 12] Generated Node #2: [28, 12, 12] from Operation: 33-21=12 Current State: 27:[28, 12, 12], Operations: ['33-21=12'] Exploring Operation: 12/12=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 12/12=1 Current State: 27:[28, 1], Operations: ['33-21=12', '12/12=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[33, 21, 28, 12], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [28, 12, 12] Generated Node #0,0: 27:[28, 12, 12] Operation: 33-21=12 Moving to Node #0,0 Current State: 27:[28, 12, 12], Operations: ['33-21=12'] Exploring Operation: 12/12=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 27:[28, 1] Operation: 12/12=1 Moving to Node #0,0,0 Current State: 27:[28, 1], Operations: ['33-21=12', '12/12=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[33, 21, 28, 12], Operations: [] Exploring Operation: 33-21=12, Resulting Numbers: [28, 12, 12] Generated Node #0,0: 27:[28, 12, 12] Operation: 33-21=12 Moving to Node #0,0 Current State: 27:[28, 12, 12], Operations: ['33-21=12'] Exploring Operation: 12/12=1, Resulting Numbers: [28, 1] Generated Node #0,0,0: 27:[28, 1] Operation: 12/12=1 Moving to Node #0,0,0 Current State: 27:[28, 1], Operations: ['33-21=12', '12/12=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 93, 10, 52, 85 ]
34
[ "93+10=103", "52+85=137", "137-103=34" ]
Current State: 34:[93, 10, 52, 85], Operations: [] Exploring Operation: 93+10=103, Resulting Numbers: [52, 85, 103] Generated Node #2: [52, 85, 103] from Operation: 93+10=103 Current State: 34:[52, 85, 103], Operations: ['93+10=103'] Exploring Operation: 52+85=137, Resulting Numbers: [103, 137] Generated Node #3: [103, 137] from Operation: 52+85=137 Current State: 34:[103, 137], Operations: ['93+10=103', '52+85=137'] Exploring Operation: 137-103=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[93, 10, 52, 85], Operations: [] Exploring Operation: 52-10=42, Resulting Numbers: [93, 85, 42] Generated Node #0,0: 34:[93, 85, 42] Operation: 52-10=42 Exploring Operation: 85-52=33, Resulting Numbers: [93, 10, 33] Generated Node #0,1: 34:[93, 10, 33] Operation: 85-52=33 Exploring Operation: 93-52=41, Resulting Numbers: [10, 85, 41] Generated Node #0,2: 34:[10, 85, 41] Operation: 93-52=41 Exploring Operation: 93-85=8, Resulting Numbers: [10, 52, 8] Generated Node #0,3: 34:[10, 52, 8] Operation: 93-85=8 Exploring Operation: 93-10=83, Resulting Numbers: [52, 85, 83] Generated Node #0,4: 34:[52, 85, 83] Operation: 93-10=83 Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[10, 52, 8], Operations: ['93-85=8'] Exploring Operation: 52-8=44, Resulting Numbers: [10, 44] Generated Node #0,3,0: 34:[10, 44] Operation: 52-8=44 Exploring Operation: 10-8=2, Resulting Numbers: [52, 2] Generated Node #0,3,1: 34:[52, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [52, 18] Generated Node #0,3,2: 34:[52, 18] Operation: 10+8=18 Exploring Operation: 52-10=42, Resulting Numbers: [8, 42] Generated Node #0,3,3: 34:[8, 42] Operation: 52-10=42 Exploring Operation: 52+8=60, Resulting Numbers: [10, 60] Generated Node #0,3,4: 34:[10, 60] Operation: 52+8=60 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 34:[8, 42], Operations: ['93-85=8', '52-10=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[93, 10, 52, 85], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [10, 52, 8] Generated Node #0,3: 34:[10, 52, 8] Operation: 93-85=8 Moving to Node #0,3 Current State: 34:[10, 52, 8], Operations: ['93-85=8'] Exploring Operation: 52-10=42, Resulting Numbers: [8, 42] Generated Node #0,3,3: 34:[8, 42] Operation: 52-10=42 Moving to Node #0,3,3 Current State: 34:[8, 42], Operations: ['93-85=8', '52-10=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 35, 12, 99, 24 ]
62
[ "99-35=64", "24/12=2", "64-2=62" ]
Current State: 62:[35, 12, 99, 24], Operations: [] Exploring Operation: 99-35=64, Resulting Numbers: [12, 24, 64] Generated Node #2: [12, 24, 64] from Operation: 99-35=64 Current State: 62:[12, 24, 64], Operations: ['99-35=64'] Exploring Operation: 24/12=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 24/12=2 Current State: 62:[64, 2], Operations: ['99-35=64', '24/12=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[35, 12, 99, 24], Operations: [] Exploring Operation: 99-35=64, Resulting Numbers: [12, 24, 64] Generated Node #0,0: 62:[12, 24, 64] Operation: 99-35=64 Exploring Operation: 99-24=75, Resulting Numbers: [35, 12, 75] Generated Node #0,1: 62:[35, 12, 75] Operation: 99-24=75 Moving to Node #0,0 Current State: 62:[12, 24, 64], Operations: ['99-35=64'] Exploring Operation: 24/12=2, Resulting Numbers: [64, 2] Generated Node #0,0,0: 62:[64, 2] Operation: 24/12=2 Exploring Operation: 12+24=36, Resulting Numbers: [64, 36] Generated Node #0,0,1: 62:[64, 36] Operation: 12+24=36 Moving to Node #0,1 Current State: 62:[35, 12, 75], Operations: ['99-24=75'] Exploring Operation: 75-12=63, Resulting Numbers: [35, 63] Generated Node #0,1,0: 62:[35, 63] Operation: 75-12=63 Exploring Operation: 75-35=40, Resulting Numbers: [12, 40] Generated Node #0,1,1: 62:[12, 40] Operation: 75-35=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[35, 63], Operations: ['99-24=75', '75-12=63'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 35+63=98, Resulting Numbers: [98] 98,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[12, 40], Operations: ['99-24=75', '75-35=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,62 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: 62:[64, 2], Operations: ['99-35=64', '24/12=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[35, 12, 99, 24], Operations: [] Exploring Operation: 99-35=64, Resulting Numbers: [12, 24, 64] Generated Node #0,0: 62:[12, 24, 64] Operation: 99-35=64 Moving to Node #0,0 Current State: 62:[12, 24, 64], Operations: ['99-35=64'] Exploring Operation: 24/12=2, Resulting Numbers: [64, 2] Generated Node #0,0,0: 62:[64, 2] Operation: 24/12=2 Moving to Node #0,0,0 Current State: 62:[64, 2], Operations: ['99-35=64', '24/12=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 13, 86, 99, 32 ]
32
[ "13+86=99", "99+32=131", "131-99=32" ]
Current State: 32:[13, 86, 99, 32], Operations: [] Exploring Operation: 13+86=99, Resulting Numbers: [99, 32, 99] Generated Node #2: [99, 32, 99] from Operation: 13+86=99 Current State: 32:[99, 32, 99], Operations: ['13+86=99'] Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,32 equal: Goal Reached Exploring Operation: 131-99=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[13, 86, 99, 32], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [13, 86, 67] Generated Node #0,0: 32:[13, 86, 67] Operation: 99-32=67 Exploring Operation: 99-86=13, Resulting Numbers: [13, 32, 13] Generated Node #0,1: 32:[13, 32, 13] Operation: 99-86=13 Exploring Operation: 86-32=54, Resulting Numbers: [13, 99, 54] Generated Node #0,2: 32:[13, 99, 54] Operation: 86-32=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[13, 32, 13], Operations: ['99-86=13'] Exploring Operation: 13-13=0, Resulting Numbers: [32, 0] Generated Node #0,1,0: 32:[32, 0] Operation: 13-13=0 Exploring Operation: 13/13=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 32:[32, 1] Operation: 13/13=1 Exploring Operation: 32-13=19, Resulting Numbers: [13, 19] Generated Node #0,1,2: 32:[13, 19] Operation: 32-13=19 Moving to Node #0,1,1 Current State: 32:[32, 1], Operations: ['99-86=13', '13/13=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[13, 86, 99, 32], Operations: [] Exploring Operation: 99-86=13, Resulting Numbers: [13, 32, 13] Generated Node #0,1: 32:[13, 32, 13] Operation: 99-86=13 Moving to Node #0,1 Current State: 32:[13, 32, 13], Operations: ['99-86=13'] Exploring Operation: 13/13=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 32:[32, 1] Operation: 13/13=1 Moving to Node #0,1,1 Current State: 32:[32, 1], Operations: ['99-86=13', '13/13=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 60, 13, 56, 7 ]
65
[ "60+13=73", "56/7=8", "73-8=65" ]
Current State: 65:[60, 13, 56, 7], Operations: [] Exploring Operation: 60+13=73, Resulting Numbers: [56, 7, 73] Generated Node #2: [56, 7, 73] from Operation: 60+13=73 Current State: 65:[56, 7, 73], Operations: ['60+13=73'] Exploring Operation: 56/7=8, Resulting Numbers: [73, 8] Generated Node #3: [73, 8] from Operation: 56/7=8 Current State: 65:[73, 8], Operations: ['60+13=73', '56/7=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[60, 13, 56, 7], Operations: [] Exploring Operation: 60-56=4, Resulting Numbers: [13, 7, 4] Generated Node #0,0: 65:[13, 7, 4] Operation: 60-56=4 Exploring Operation: 56+7=63, Resulting Numbers: [60, 13, 63] Generated Node #0,1: 65:[60, 13, 63] Operation: 56+7=63 Moving to Node #0,0 Current State: 65:[13, 7, 4], Operations: ['60-56=4'] Exploring Operation: 7+4=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 65:[13, 11] Operation: 7+4=11 Exploring Operation: 13-7=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 65:[4, 6] Operation: 13-7=6 Moving to Node #0,1 Current State: 65:[60, 13, 63], Operations: ['56+7=63'] Exploring Operation: 63-60=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 65:[13, 3] Operation: 63-60=3 Exploring Operation: 60+13=73, Resulting Numbers: [63, 73] Generated Node #0,1,1: 65:[63, 73] Operation: 60+13=73 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[13, 3], Operations: ['56+7=63', '63-60=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[63, 73], Operations: ['56+7=63', '60+13=73'] Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,65 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: 65:[13, 11], Operations: ['60-56=4', '7+4=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[4, 6], Operations: ['60-56=4', '13-7=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,65 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 71, 17, 67, 75 ]
34
[ "67+75=142", "142/71=2", "17*2=34" ]
Current State: 34:[71, 17, 67, 75], Operations: [] Exploring Operation: 67+75=142, Resulting Numbers: [71, 17, 142] Generated Node #2: [71, 17, 142] from Operation: 67+75=142 Current State: 34:[71, 17, 142], Operations: ['67+75=142'] Exploring Operation: 142/71=2, Resulting Numbers: [17, 2] Generated Node #3: [17, 2] from Operation: 142/71=2 Current State: 34:[17, 2], Operations: ['67+75=142', '142/71=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[71, 17, 67, 75], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [17, 67, 4] Generated Node #0,0: 34:[17, 67, 4] Operation: 75-71=4 Exploring Operation: 75-67=8, Resulting Numbers: [71, 17, 8] Generated Node #0,1: 34:[71, 17, 8] Operation: 75-67=8 Exploring Operation: 71-17=54, Resulting Numbers: [67, 75, 54] Generated Node #0,2: 34:[67, 75, 54] Operation: 71-17=54 Exploring Operation: 71-67=4, Resulting Numbers: [17, 75, 4] Generated Node #0,3: 34:[17, 75, 4] Operation: 71-67=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[17, 67, 4], Operations: ['75-71=4'] Exploring Operation: 67-4=63, Resulting Numbers: [17, 63] Generated Node #0,0,0: 34:[17, 63] Operation: 67-4=63 Exploring Operation: 17-4=13, Resulting Numbers: [67, 13] Generated Node #0,0,1: 34:[67, 13] Operation: 17-4=13 Exploring Operation: 17+4=21, Resulting Numbers: [67, 21] Generated Node #0,0,2: 34:[67, 21] Operation: 17+4=21 Exploring Operation: 67-17=50, Resulting Numbers: [4, 50] Generated Node #0,0,3: 34:[4, 50] Operation: 67-17=50 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[4, 50], Operations: ['75-71=4', '67-17=50'] Exploring Operation: 4*50=200, Resulting Numbers: [200] 200,34 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[17, 63], Operations: ['75-71=4', '67-4=63'] Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,34 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[67, 13], Operations: ['75-71=4', '17-4=13'] Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,34 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,34 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[67, 21], Operations: ['75-71=4', '17+4=21'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 67*21=1407, Resulting Numbers: [1407] 1407,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[71, 17, 8], Operations: ['75-67=8'] Exploring Operation: 71-17=54, Resulting Numbers: [8, 54] Generated Node #0,1,0: 34:[8, 54] Operation: 71-17=54 Exploring Operation: 71+8=79, Resulting Numbers: [17, 79] Generated Node #0,1,1: 34:[17, 79] Operation: 71+8=79 Exploring Operation: 71-8=63, Resulting Numbers: [17, 63] Generated Node #0,1,2: 34:[17, 63] Operation: 71-8=63 Exploring Operation: 17-8=9, Resulting Numbers: [71, 9] Generated Node #0,1,3: 34:[71, 9] Operation: 17-8=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[8, 54], Operations: ['75-67=8', '71-17=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,34 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[17, 63], Operations: ['75-67=8', '71-8=63'] Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,34 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 34:[71, 9], Operations: ['75-67=8', '17-8=9'] Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,34 unequal: No Solution Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[17, 79], Operations: ['75-67=8', '71+8=79'] Exploring Operation: 17*79=1343, Resulting Numbers: [1343] 1343,34 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 17+79=96, Resulting Numbers: [96] 96,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[17, 75, 4], Operations: ['71-67=4'] Exploring Operation: 17+4=21, Resulting Numbers: [75, 21] Generated Node #0,3,0: 34:[75, 21] Operation: 17+4=21 Exploring Operation: 17-4=13, Resulting Numbers: [75, 13] Generated Node #0,3,1: 34:[75, 13] Operation: 17-4=13 Exploring Operation: 75-4=71, Resulting Numbers: [17, 71] Generated Node #0,3,2: 34:[17, 71] Operation: 75-4=71 Exploring Operation: 75-17=58, Resulting Numbers: [4, 58] Generated Node #0,3,3: 34:[4, 58] Operation: 75-17=58 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 34:[4, 58], Operations: ['71-67=4', '75-17=58'] Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,34 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 34:[17, 71], Operations: ['71-67=4', '75-4=71'] Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 17*71=1207, Resulting Numbers: [1207] 1207,34 unequal: No Solution Exploring Operation: 17+71=88, Resulting Numbers: [88] 88,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 34:[75, 21], Operations: ['71-67=4', '17+4=21'] Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 75+21=96, Resulting Numbers: [96] 96,34 unequal: No Solution Exploring Operation: 75*21=1575, Resulting Numbers: [1575] 1575,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 34:[75, 13], Operations: ['71-67=4', '17-4=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[67, 75, 54], Operations: ['71-17=54'] Exploring Operation: 75-54=21, Resulting Numbers: [67, 21] Generated Node #0,2,0: 34:[67, 21] Operation: 75-54=21 Exploring Operation: 67-54=13, Resulting Numbers: [75, 13] Generated Node #0,2,1: 34:[75, 13] Operation: 67-54=13 Exploring Operation: 75-67=8, Resulting Numbers: [54, 8] Generated Node #0,2,2: 34:[54, 8] Operation: 75-67=8 Exploring Operation: 67+75=142, Resulting Numbers: [54, 142] Generated Node #0,2,3: 34:[54, 142] Operation: 67+75=142 Moving to Node #0,2,2 Current State: 34:[54, 8], Operations: ['71-17=54', '75-67=8'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,34 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[67, 21], Operations: ['71-17=54', '75-54=21'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 67*21=1407, Resulting Numbers: [1407] 1407,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[75, 13], Operations: ['71-17=54', '67-54=13'] Exploring Operation: 75+13=88, Resulting Numbers: [88] 88,34 unequal: No Solution Exploring Operation: 75*13=975, Resulting Numbers: [975] 975,34 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[54, 142], Operations: ['71-17=54', '67+75=142'] Exploring Operation: 54*142=7668, Resulting Numbers: [7668] 7668,34 unequal: No Solution Exploring Operation: 54+142=196, Resulting Numbers: [196] 196,34 unequal: No Solution Exploring Operation: 142-54=88, Resulting Numbers: [88] 88,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 57, 68, 50, 2 ]
48
[ "68-50=18", "18/2=9", "57-9=48" ]
Current State: 48:[57, 68, 50, 2], Operations: [] Exploring Operation: 68-50=18, Resulting Numbers: [57, 2, 18] Generated Node #2: [57, 2, 18] from Operation: 68-50=18 Current State: 48:[57, 2, 18], Operations: ['68-50=18'] Exploring Operation: 18/2=9, Resulting Numbers: [57, 9] Generated Node #3: [57, 9] from Operation: 18/2=9 Current State: 48:[57, 9], Operations: ['68-50=18', '18/2=9'] Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[57, 68, 50, 2], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [68, 2, 7] Generated Node #0,0: 48:[68, 2, 7] Operation: 57-50=7 Exploring Operation: 68-57=11, Resulting Numbers: [50, 2, 11] Generated Node #0,1: 48:[50, 2, 11] Operation: 68-57=11 Exploring Operation: 68-50=18, Resulting Numbers: [57, 2, 18] Generated Node #0,2: 48:[57, 2, 18] Operation: 68-50=18 Moving to Node #0,1 Current State: 48:[50, 2, 11], Operations: ['68-57=11'] Exploring Operation: 2+11=13, Resulting Numbers: [50, 13] Generated Node #0,1,0: 48:[50, 13] Operation: 2+11=13 Exploring Operation: 50-2=48, Resulting Numbers: [11, 48] Generated Node #0,1,1: 48:[11, 48] Operation: 50-2=48 Exploring Operation: 50/2=25, Resulting Numbers: [11, 25] Generated Node #0,1,2: 48:[11, 25] Operation: 50/2=25 Moving to Node #0,2 Current State: 48:[57, 2, 18], Operations: ['68-50=18'] Exploring Operation: 57-2=55, Resulting Numbers: [18, 55] Generated Node #0,2,0: 48:[18, 55] Operation: 57-2=55 Exploring Operation: 57-18=39, Resulting Numbers: [2, 39] Generated Node #0,2,1: 48:[2, 39] Operation: 57-18=39 Exploring Operation: 18-2=16, Resulting Numbers: [57, 16] Generated Node #0,2,2: 48:[57, 16] Operation: 18-2=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[18, 55], Operations: ['68-50=18', '57-2=55'] Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,48 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[2, 39], Operations: ['68-50=18', '57-18=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,48 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[57, 16], Operations: ['68-50=18', '18-2=16'] Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,48 unequal: No Solution Exploring Operation: 57*16=912, Resulting Numbers: [912] 912,48 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: 48:[68, 2, 7], Operations: ['57-50=7'] Exploring Operation: 68-7=61, Resulting Numbers: [2, 61] Generated Node #0,0,0: 48:[2, 61] Operation: 68-7=61 Exploring Operation: 68-2=66, Resulting Numbers: [7, 66] Generated Node #0,0,1: 48:[7, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [7, 34] Generated Node #0,0,2: 48:[7, 34] Operation: 68/2=34 Moving to Node #0,1,1 Current State: 48:[11, 48], Operations: ['68-57=11', '50-2=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,48 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[11, 25], Operations: ['68-57=11', '50/2=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,48 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,48 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[50, 13], Operations: ['68-57=11', '2+11=13'] Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,48 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[7, 34], Operations: ['57-50=7', '68/2=34'] Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,48 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[2, 61], Operations: ['57-50=7', '68-7=61'] Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,48 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[7, 66], Operations: ['57-50=7', '68-2=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,48 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,48 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,48 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 8, 91, 56, 62 ]
77
[ "91-8=83", "62-56=6", "83-6=77" ]
Current State: 77:[8, 91, 56, 62], Operations: [] Exploring Operation: 91-8=83, Resulting Numbers: [56, 62, 83] Generated Node #2: [56, 62, 83] from Operation: 91-8=83 Current State: 77:[56, 62, 83], Operations: ['91-8=83'] Exploring Operation: 62-56=6, Resulting Numbers: [83, 6] Generated Node #3: [83, 6] from Operation: 62-56=6 Current State: 77:[83, 6], Operations: ['91-8=83', '62-56=6'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[8, 91, 56, 62], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [8, 56, 29] Generated Node #0,0: 77:[8, 56, 29] Operation: 91-62=29 Exploring Operation: 62-56=6, Resulting Numbers: [8, 91, 6] Generated Node #0,1: 77:[8, 91, 6] Operation: 62-56=6 Exploring Operation: 56/8=7, Resulting Numbers: [91, 62, 7] Generated Node #0,2: 77:[91, 62, 7] Operation: 56/8=7 Exploring Operation: 91-8=83, Resulting Numbers: [56, 62, 83] Generated Node #0,3: 77:[56, 62, 83] Operation: 91-8=83 Exploring Operation: 91-56=35, Resulting Numbers: [8, 62, 35] Generated Node #0,4: 77:[8, 62, 35] Operation: 91-56=35 Moving to Node #0,1 Current State: 77:[8, 91, 6], Operations: ['62-56=6'] Exploring Operation: 91+6=97, Resulting Numbers: [8, 97] Generated Node #0,1,0: 77:[8, 97] Operation: 91+6=97 Exploring Operation: 8+6=14, Resulting Numbers: [91, 14] Generated Node #0,1,1: 77:[91, 14] Operation: 8+6=14 Exploring Operation: 91-8=83, Resulting Numbers: [6, 83] Generated Node #0,1,2: 77:[6, 83] Operation: 91-8=83 Exploring Operation: 91-6=85, Resulting Numbers: [8, 85] Generated Node #0,1,3: 77:[8, 85] Operation: 91-6=85 Exploring Operation: 8-6=2, Resulting Numbers: [91, 2] Generated Node #0,1,4: 77:[91, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[6, 83], Operations: ['62-56=6', '91-8=83'] Exploring Operation: 6*83=498, Resulting Numbers: [498] 498,77 unequal: No Solution Exploring Operation: 6+83=89, Resulting Numbers: [89] 89,77 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[8, 91, 56, 62], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [8, 91, 6] Generated Node #0,1: 77:[8, 91, 6] Operation: 62-56=6 Moving to Node #0,1 Current State: 77:[8, 91, 6], Operations: ['62-56=6'] Exploring Operation: 91-8=83, Resulting Numbers: [6, 83] Generated Node #0,1,2: 77:[6, 83] Operation: 91-8=83 Moving to Node #0,1,2 Current State: 77:[6, 83], Operations: ['62-56=6', '91-8=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 71, 47, 49, 1 ]
74
[ "71-47=24", "49+1=50", "24+50=74" ]
Current State: 74:[71, 47, 49, 1], Operations: [] Exploring Operation: 71-47=24, Resulting Numbers: [49, 1, 24] Generated Node #2: [49, 1, 24] from Operation: 71-47=24 Current State: 74:[49, 1, 24], Operations: ['71-47=24'] Exploring Operation: 49+1=50, Resulting Numbers: [24, 50] Generated Node #3: [24, 50] from Operation: 49+1=50 Current State: 74:[24, 50], Operations: ['71-47=24', '49+1=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[71, 47, 49, 1], Operations: [] Exploring Operation: 49-1=48, Resulting Numbers: [71, 47, 48] Generated Node #0,0: 74:[71, 47, 48] Operation: 49-1=48 Exploring Operation: 47-1=46, Resulting Numbers: [71, 49, 46] Generated Node #0,1: 74:[71, 49, 46] Operation: 47-1=46 Exploring Operation: 71+1=72, Resulting Numbers: [47, 49, 72] Generated Node #0,2: 74:[47, 49, 72] Operation: 71+1=72 Exploring Operation: 49-47=2, Resulting Numbers: [71, 1, 2] Generated Node #0,3: 74:[71, 1, 2] Operation: 49-47=2 Moving to Node #0,3 Current State: 74:[71, 1, 2], Operations: ['49-47=2'] Exploring Operation: 71+2=73, Resulting Numbers: [1, 73] Generated Node #0,3,0: 74:[1, 73] Operation: 71+2=73 Exploring Operation: 71/1=71, Resulting Numbers: [2, 71] Generated Node #0,3,1: 74:[2, 71] Operation: 71/1=71 Exploring Operation: 71+1=72, Resulting Numbers: [2, 72] Generated Node #0,3,2: 74:[2, 72] Operation: 71+1=72 Exploring Operation: 71*1=71, Resulting Numbers: [2, 71] Generated Node #0,3,3: 74:[2, 71] Operation: 71*1=71 Moving to Node #0,1 Current State: 74:[71, 49, 46], Operations: ['47-1=46'] Exploring Operation: 49-46=3, Resulting Numbers: [71, 3] Generated Node #0,1,0: 74:[71, 3] Operation: 49-46=3 Exploring Operation: 49+46=95, Resulting Numbers: [71, 95] Generated Node #0,1,1: 74:[71, 95] Operation: 49+46=95 Exploring Operation: 71-46=25, Resulting Numbers: [49, 25] Generated Node #0,1,2: 74:[49, 25] Operation: 71-46=25 Exploring Operation: 71-49=22, Resulting Numbers: [46, 22] Generated Node #0,1,3: 74:[46, 22] Operation: 71-49=22 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[71, 3], Operations: ['47-1=46', '49-46=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[71, 47, 49, 1], Operations: [] Exploring Operation: 47-1=46, Resulting Numbers: [71, 49, 46] Generated Node #0,1: 74:[71, 49, 46] Operation: 47-1=46 Moving to Node #0,1 Current State: 74:[71, 49, 46], Operations: ['47-1=46'] Exploring Operation: 49-46=3, Resulting Numbers: [71, 3] Generated Node #0,1,0: 74:[71, 3] Operation: 49-46=3 Moving to Node #0,1,0 Current State: 74:[71, 3], Operations: ['47-1=46', '49-46=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 46, 90, 11, 18 ]
51
[ "90-46=44", "18-11=7", "44+7=51" ]
Current State: 51:[46, 90, 11, 18], Operations: [] Exploring Operation: 90-46=44, Resulting Numbers: [11, 18, 44] Generated Node #2: [11, 18, 44] from Operation: 90-46=44 Current State: 51:[11, 18, 44], Operations: ['90-46=44'] Exploring Operation: 18-11=7, Resulting Numbers: [44, 7] Generated Node #3: [44, 7] from Operation: 18-11=7 Current State: 51:[44, 7], Operations: ['90-46=44', '18-11=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[46, 90, 11, 18], Operations: [] Exploring Operation: 90-18=72, Resulting Numbers: [46, 11, 72] Generated Node #0,0: 51:[46, 11, 72] Operation: 90-18=72 Exploring Operation: 90/18=5, Resulting Numbers: [46, 11, 5] Generated Node #0,1: 51:[46, 11, 5] Operation: 90/18=5 Exploring Operation: 90-46=44, Resulting Numbers: [11, 18, 44] Generated Node #0,2: 51:[11, 18, 44] Operation: 90-46=44 Moving to Node #0,1 Current State: 51:[46, 11, 5], Operations: ['90/18=5'] Exploring Operation: 46+11=57, Resulting Numbers: [5, 57] Generated Node #0,1,0: 51:[5, 57] Operation: 46+11=57 Exploring Operation: 11+5=16, Resulting Numbers: [46, 16] Generated Node #0,1,1: 51:[46, 16] Operation: 11+5=16 Exploring Operation: 46+5=51, Resulting Numbers: [11, 51] Generated Node #0,1,2: 51:[11, 51] Operation: 46+5=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[46, 16], Operations: ['90/18=5', '11+5=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[11, 51], Operations: ['90/18=5', '46+5=51'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,51 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,51 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 #0,1,0 Current State: 51:[5, 57], Operations: ['90/18=5', '46+11=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 5*57=285, Resulting Numbers: [285] 285,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 51:[11, 18, 44], Operations: ['90-46=44'] Exploring Operation: 44/11=4, Resulting Numbers: [18, 4] Generated Node #0,2,0: 51:[18, 4] Operation: 44/11=4 Exploring Operation: 18-11=7, Resulting Numbers: [44, 7] Generated Node #0,2,1: 51:[44, 7] Operation: 18-11=7 Exploring Operation: 11+44=55, Resulting Numbers: [18, 55] Generated Node #0,2,2: 51:[18, 55] Operation: 11+44=55 Moving to Node #0,0 Current State: 51:[46, 11, 72], Operations: ['90-18=72'] Exploring Operation: 46+11=57, Resulting Numbers: [72, 57] Generated Node #0,0,0: 51:[72, 57] Operation: 46+11=57 Exploring Operation: 72-11=61, Resulting Numbers: [46, 61] Generated Node #0,0,1: 51:[46, 61] Operation: 72-11=61 Exploring Operation: 72-46=26, Resulting Numbers: [11, 26] Generated Node #0,0,2: 51:[11, 26] Operation: 72-46=26 Moving to Node #0,2,0 Current State: 51:[18, 4], Operations: ['90-46=44', '44/11=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,51 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[18, 55], Operations: ['90-46=44', '11+44=55'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,51 unequal: No Solution Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[44, 7], Operations: ['90-46=44', '18-11=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,51 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[46, 90, 11, 18], Operations: [] Exploring Operation: 90-46=44, Resulting Numbers: [11, 18, 44] Generated Node #0,2: 51:[11, 18, 44] Operation: 90-46=44 Moving to Node #0,2 Current State: 51:[11, 18, 44], Operations: ['90-46=44'] Exploring Operation: 18-11=7, Resulting Numbers: [44, 7] Generated Node #0,2,1: 51:[44, 7] Operation: 18-11=7 Moving to Node #0,2,1 Current State: 51:[44, 7], Operations: ['90-46=44', '18-11=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.970486
hs_3
sum_heuristic
[ 3, 94, 34, 68 ]
88
[ "3*68=204", "204/34=6", "94-6=88" ]
Current State: 88:[3, 94, 34, 68], Operations: [] Exploring Operation: 3*68=204, Resulting Numbers: [94, 34, 204] Generated Node #2: [94, 34, 204] from Operation: 3*68=204 Current State: 88:[94, 34, 204], Operations: ['3*68=204'] Exploring Operation: 204/34=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 204/34=6 Current State: 88:[94, 6], Operations: ['3*68=204', '204/34=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[3, 94, 34, 68], Operations: [] Exploring Operation: 94-3=91, Resulting Numbers: [34, 68, 91] Generated Node #0,0: 88:[34, 68, 91] Operation: 94-3=91 Exploring Operation: 68/34=2, Resulting Numbers: [3, 94, 2] Generated Node #0,1: 88:[3, 94, 2] Operation: 68/34=2 Exploring Operation: 34+68=102, Resulting Numbers: [3, 94, 102] Generated Node #0,2: 88:[3, 94, 102] Operation: 34+68=102 Exploring Operation: 94-68=26, Resulting Numbers: [3, 34, 26] Generated Node #0,3: 88:[3, 34, 26] Operation: 94-68=26 Exploring Operation: 68-34=34, Resulting Numbers: [3, 94, 34] Generated Node #0,4: 88:[3, 94, 34] Operation: 68-34=34 Moving to Node #0,1 Current State: 88:[3, 94, 2], Operations: ['68/34=2'] Exploring Operation: 94-2=92, Resulting Numbers: [3, 92] Generated Node #0,1,0: 88:[3, 92] Operation: 94-2=92 Exploring Operation: 3-2=1, Resulting Numbers: [94, 1] Generated Node #0,1,1: 88:[94, 1] Operation: 3-2=1 Exploring Operation: 94/2=47, Resulting Numbers: [3, 47] Generated Node #0,1,2: 88:[3, 47] Operation: 94/2=47 Exploring Operation: 94-3=91, Resulting Numbers: [2, 91] Generated Node #0,1,3: 88:[2, 91] Operation: 94-3=91 Exploring Operation: 3+2=5, Resulting Numbers: [94, 5] Generated Node #0,1,4: 88:[94, 5] Operation: 3+2=5 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 88:[2, 91], Operations: ['68/34=2', '94-3=91'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[3, 47], Operations: ['68/34=2', '94/2=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,88 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[3, 92], Operations: ['68/34=2', '94-2=92'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[94, 1], Operations: ['68/34=2', '3-2=1'] Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 88:[94, 5], Operations: ['68/34=2', '3+2=5'] Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 94*5=470, Resulting Numbers: [470] 470,88 unequal: No Solution Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,88 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: 88:[3, 34, 26], Operations: ['94-68=26'] Exploring Operation: 3+26=29, Resulting Numbers: [34, 29] Generated Node #0,3,0: 88:[34, 29] Operation: 3+26=29 Exploring Operation: 3+34=37, Resulting Numbers: [26, 37] Generated Node #0,3,1: 88:[26, 37] Operation: 3+34=37 Exploring Operation: 26-3=23, Resulting Numbers: [34, 23] Generated Node #0,3,2: 88:[34, 23] Operation: 26-3=23 Exploring Operation: 34-26=8, Resulting Numbers: [3, 8] Generated Node #0,3,3: 88:[3, 8] Operation: 34-26=8 Exploring Operation: 34-3=31, Resulting Numbers: [26, 31] Generated Node #0,3,4: 88:[26, 31] Operation: 34-3=31 Moving to Node #0,4 Current State: 88:[3, 94, 34], Operations: ['68-34=34'] Exploring Operation: 34-3=31, Resulting Numbers: [94, 31] Generated Node #0,4,0: 88:[94, 31] Operation: 34-3=31 Exploring Operation: 3+94=97, Resulting Numbers: [34, 97] Generated Node #0,4,1: 88:[34, 97] Operation: 3+94=97 Exploring Operation: 94-3=91, Resulting Numbers: [34, 91] Generated Node #0,4,2: 88:[34, 91] Operation: 94-3=91 Exploring Operation: 94-34=60, Resulting Numbers: [3, 60] Generated Node #0,4,3: 88:[3, 60] Operation: 94-34=60 Exploring Operation: 3+34=37, Resulting Numbers: [94, 37] Generated Node #0,4,4: 88:[94, 37] Operation: 3+34=37 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 88:[34, 91], Operations: ['68-34=34', '94-3=91'] Exploring Operation: 34+91=125, Resulting Numbers: [125] 125,88 unequal: No Solution Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 34*91=3094, Resulting Numbers: [3094] 3094,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 88:[94, 37], Operations: ['68-34=34', '3+34=37'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,88 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 88:[94, 31], Operations: ['68-34=34', '34-3=31'] Exploring Operation: 94+31=125, Resulting Numbers: [125] 125,88 unequal: No Solution Exploring Operation: 94*31=2914, Resulting Numbers: [2914] 2914,88 unequal: No Solution Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 88:[3, 60], Operations: ['68-34=34', '94-34=60'] Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 3*60=180, Resulting Numbers: [180] 180,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 88:[34, 97], Operations: ['68-34=34', '3+94=97'] Exploring Operation: 34*97=3298, Resulting Numbers: [3298] 3298,88 unequal: No Solution Exploring Operation: 34+97=131, Resulting Numbers: [131] 131,88 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,88 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: 88:[3, 94, 102], Operations: ['34+68=102'] Exploring Operation: 3+94=97, Resulting Numbers: [102, 97] Generated Node #0,2,0: 88:[102, 97] Operation: 3+94=97 Exploring Operation: 102-3=99, Resulting Numbers: [94, 99] Generated Node #0,2,1: 88:[94, 99] Operation: 102-3=99 Exploring Operation: 102-94=8, Resulting Numbers: [3, 8] Generated Node #0,2,2: 88:[3, 8] Operation: 102-94=8 Exploring Operation: 94-3=91, Resulting Numbers: [102, 91] Generated Node #0,2,3: 88:[102, 91] Operation: 94-3=91 Exploring Operation: 102/3=34, Resulting Numbers: [94, 34] Generated Node #0,2,4: 88:[94, 34] Operation: 102/3=34 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[3, 8], Operations: ['34+68=102', '102-94=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 88:[94, 34], Operations: ['34+68=102', '102/3=34'] Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,88 unequal: No Solution Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[94, 99], Operations: ['34+68=102', '102-3=99'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,88 unequal: No Solution Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[102, 91], Operations: ['34+68=102', '94-3=91'] Exploring Operation: 102+91=193, Resulting Numbers: [193] 193,88 unequal: No Solution Exploring Operation: 102-91=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 102*91=9282, Resulting Numbers: [9282] 9282,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[102, 97], Operations: ['34+68=102', '3+94=97'] Exploring Operation: 102*97=9894, Resulting Numbers: [9894] 9894,88 unequal: No Solution Exploring Operation: 102+97=199, Resulting Numbers: [199] 199,88 unequal: No Solution Exploring Operation: 102-97=5, Resulting Numbers: [5] 5,88 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: 88:[34, 68, 91], Operations: ['94-3=91'] Exploring Operation: 91-34=57, Resulting Numbers: [68, 57] Generated Node #0,0,0: 88:[68, 57] Operation: 91-34=57 Exploring Operation: 91-68=23, Resulting Numbers: [34, 23] Generated Node #0,0,1: 88:[34, 23] Operation: 91-68=23 Exploring Operation: 68-34=34, Resulting Numbers: [91, 34] Generated Node #0,0,2: 88:[91, 34] Operation: 68-34=34 Exploring Operation: 34+68=102, Resulting Numbers: [91, 102] Generated Node #0,0,3: 88:[91, 102] Operation: 34+68=102 Exploring Operation: 68/34=2, Resulting Numbers: [91, 2] Generated Node #0,0,4: 88:[91, 2] Operation: 68/34=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 88:[91, 2], Operations: ['94-3=91', '68/34=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,88 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[34, 23], Operations: ['94-3=91', '91-68=23'] Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[91, 34], Operations: ['94-3=91', '68-34=34'] Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 91+34=125, Resulting Numbers: [125] 125,88 unequal: No Solution Exploring Operation: 91*34=3094, Resulting Numbers: [3094] 3094,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 88:[91, 102], Operations: ['94-3=91', '34+68=102'] Exploring Operation: 91+102=193, Resulting Numbers: [193] 193,88 unequal: No Solution Exploring Operation: 102-91=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 91*102=9282, Resulting Numbers: [9282] 9282,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[68, 57], Operations: ['94-3=91', '91-34=57'] Exploring Operation: 68*57=3876, Resulting Numbers: [3876] 3876,88 unequal: No Solution Exploring Operation: 68+57=125, Resulting Numbers: [125] 125,88 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 88:[3, 8], Operations: ['94-68=26', '34-26=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[34, 23], Operations: ['94-68=26', '26-3=23'] Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[26, 37], Operations: ['94-68=26', '3+34=37'] Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,88 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[26, 31], Operations: ['94-68=26', '34-3=31'] Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,88 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,88 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[34, 29], Operations: ['94-68=26', '3+26=29'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,88 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 35, 75, 1, 26 ]
67
[ "75-35=40", "1+26=27", "40+27=67" ]
Current State: 67:[35, 75, 1, 26], Operations: [] Exploring Operation: 75-35=40, Resulting Numbers: [1, 26, 40] Generated Node #2: [1, 26, 40] from Operation: 75-35=40 Current State: 67:[1, 26, 40], Operations: ['75-35=40'] Exploring Operation: 1+26=27, Resulting Numbers: [40, 27] Generated Node #3: [40, 27] from Operation: 1+26=27 Current State: 67:[40, 27], Operations: ['75-35=40', '1+26=27'] Exploring Operation: 40+27=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[35, 75, 1, 26], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [75, 26, 36] Generated Node #0,0: 67:[75, 26, 36] Operation: 35+1=36 Exploring Operation: 1+26=27, Resulting Numbers: [35, 75, 27] Generated Node #0,1: 67:[35, 75, 27] Operation: 1+26=27 Exploring Operation: 75-1=74, Resulting Numbers: [35, 26, 74] Generated Node #0,2: 67:[35, 26, 74] Operation: 75-1=74 Exploring Operation: 35+26=61, Resulting Numbers: [75, 1, 61] Generated Node #0,3: 67:[75, 1, 61] Operation: 35+26=61 Moving to Node #0,0 Current State: 67:[75, 26, 36], Operations: ['35+1=36'] Exploring Operation: 75+26=101, Resulting Numbers: [36, 101] Generated Node #0,0,0: 67:[36, 101] Operation: 75+26=101 Exploring Operation: 75-26=49, Resulting Numbers: [36, 49] Generated Node #0,0,1: 67:[36, 49] Operation: 75-26=49 Exploring Operation: 26+36=62, Resulting Numbers: [75, 62] Generated Node #0,0,2: 67:[75, 62] Operation: 26+36=62 Exploring Operation: 36-26=10, Resulting Numbers: [75, 10] Generated Node #0,0,3: 67:[75, 10] Operation: 36-26=10 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[75, 62], Operations: ['35+1=36', '26+36=62'] Exploring Operation: 75*62=4650, Resulting Numbers: [4650] 4650,67 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[36, 49], Operations: ['35+1=36', '75-26=49'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,67 unequal: No Solution Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[36, 101], Operations: ['35+1=36', '75+26=101'] Exploring Operation: 101-36=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 36+101=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 36*101=3636, Resulting Numbers: [3636] 3636,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[75, 10], Operations: ['35+1=36', '36-26=10'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,67 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: 67:[35, 26, 74], Operations: ['75-1=74'] Exploring Operation: 74-26=48, Resulting Numbers: [35, 48] Generated Node #0,2,0: 67:[35, 48] Operation: 74-26=48 Exploring Operation: 35-26=9, Resulting Numbers: [74, 9] Generated Node #0,2,1: 67:[74, 9] Operation: 35-26=9 Exploring Operation: 26+74=100, Resulting Numbers: [35, 100] Generated Node #0,2,2: 67:[35, 100] Operation: 26+74=100 Exploring Operation: 35+26=61, Resulting Numbers: [74, 61] Generated Node #0,2,3: 67:[74, 61] Operation: 35+26=61 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[74, 61], Operations: ['75-1=74', '35+26=61'] Exploring Operation: 74+61=135, Resulting Numbers: [135] 135,67 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 74*61=4514, Resulting Numbers: [4514] 4514,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[35, 48], Operations: ['75-1=74', '74-26=48'] Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,67 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[74, 9], Operations: ['75-1=74', '35-26=9'] Exploring Operation: 74*9=666, Resulting Numbers: [666] 666,67 unequal: No Solution Exploring Operation: 74+9=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[35, 100], Operations: ['75-1=74', '26+74=100'] Exploring Operation: 35+100=135, Resulting Numbers: [135] 135,67 unequal: No Solution Exploring Operation: 100-35=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 35*100=3500, Resulting Numbers: [3500] 3500,67 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: 67:[35, 75, 27], Operations: ['1+26=27'] Exploring Operation: 35+27=62, Resulting Numbers: [75, 62] Generated Node #0,1,0: 67:[75, 62] Operation: 35+27=62 Exploring Operation: 75-35=40, Resulting Numbers: [27, 40] Generated Node #0,1,1: 67:[27, 40] Operation: 75-35=40 Exploring Operation: 35-27=8, Resulting Numbers: [75, 8] Generated Node #0,1,2: 67:[75, 8] Operation: 35-27=8 Exploring Operation: 75-27=48, Resulting Numbers: [35, 48] Generated Node #0,1,3: 67:[35, 48] Operation: 75-27=48 Moving to Node #0,3 Current State: 67:[75, 1, 61], Operations: ['35+26=61'] Exploring Operation: 1+61=62, Resulting Numbers: [75, 62] Generated Node #0,3,0: 67:[75, 62] Operation: 1+61=62 Exploring Operation: 75*1=75, Resulting Numbers: [61, 75] Generated Node #0,3,1: 67:[61, 75] Operation: 75*1=75 Exploring Operation: 75/1=75, Resulting Numbers: [61, 75] Generated Node #0,3,2: 67:[61, 75] Operation: 75/1=75 Exploring Operation: 75-1=74, Resulting Numbers: [61, 74] Generated Node #0,3,3: 67:[61, 74] Operation: 75-1=74 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[75, 62], Operations: ['35+26=61', '1+61=62'] Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 75*62=4650, Resulting Numbers: [4650] 4650,67 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[61, 74], Operations: ['35+26=61', '75-1=74'] Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 61+74=135, Resulting Numbers: [135] 135,67 unequal: No Solution Exploring Operation: 61*74=4514, Resulting Numbers: [4514] 4514,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[61, 75], Operations: ['35+26=61', '75*1=75'] Exploring Operation: 61+75=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 61*75=4575, Resulting Numbers: [4575] 4575,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[61, 75], Operations: ['35+26=61', '75/1=75'] Exploring Operation: 61+75=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 61*75=4575, Resulting Numbers: [4575] 4575,67 unequal: No Solution Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 67:[75, 62], Operations: ['1+26=27', '35+27=62'] Exploring Operation: 75*62=4650, Resulting Numbers: [4650] 4650,67 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,67 unequal: No Solution Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[35, 48], Operations: ['1+26=27', '75-27=48'] Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[75, 8], Operations: ['1+26=27', '35-27=8'] Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,67 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[35, 75, 1, 26], Operations: [] Exploring Operation: 1+26=27, Resulting Numbers: [35, 75, 27] Generated Node #0,1: 67:[35, 75, 27] Operation: 1+26=27 Moving to Node #0,1 Current State: 67:[35, 75, 27], Operations: ['1+26=27'] Exploring Operation: 35-27=8, Resulting Numbers: [75, 8] Generated Node #0,1,2: 67:[75, 8] Operation: 35-27=8 Moving to Node #0,1,2 Current State: 67:[75, 8], Operations: ['1+26=27', '35-27=8'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
0.940104
hs_4
mult_heuristic
[ 2, 76, 17, 1 ]
20
[ "76/2=38", "17+1=18", "38-18=20" ]
Current State: 20:[2, 76, 17, 1], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [17, 1, 38] Generated Node #2: [17, 1, 38] from Operation: 76/2=38 Current State: 20:[17, 1, 38], Operations: ['76/2=38'] Exploring Operation: 17+1=18, Resulting Numbers: [38, 18] Generated Node #3: [38, 18] from Operation: 17+1=18 Current State: 20:[38, 18], Operations: ['76/2=38', '17+1=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 76, 17, 1], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [17, 1, 38] Generated Node #0,0: 20:[17, 1, 38] Operation: 76/2=38 Exploring Operation: 76-17=59, Resulting Numbers: [2, 1, 59] Generated Node #0,1: 20:[2, 1, 59] Operation: 76-17=59 Moving to Node #0,0 Current State: 20:[17, 1, 38], Operations: ['76/2=38'] Exploring Operation: 17+1=18, Resulting Numbers: [38, 18] Generated Node #0,0,0: 20:[38, 18] Operation: 17+1=18 Exploring Operation: 38-17=21, Resulting Numbers: [1, 21] Generated Node #0,0,1: 20:[1, 21] Operation: 38-17=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[1, 21], Operations: ['76/2=38', '38-17=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[2, 76, 17, 1], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [17, 1, 38] Generated Node #0,0: 20:[17, 1, 38] Operation: 76/2=38 Moving to Node #0,0 Current State: 20:[17, 1, 38], Operations: ['76/2=38'] Exploring Operation: 38-17=21, Resulting Numbers: [1, 21] Generated Node #0,0,1: 20:[1, 21] Operation: 38-17=21 Moving to Node #0,0,1 Current State: 20:[1, 21], Operations: ['76/2=38', '38-17=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 3, 53, 77, 2 ]
24
[ "3-2=1", "77-53=24", "1*24=24" ]
Current State: 24:[3, 53, 77, 2], Operations: [] Exploring Operation: 3-2=1, Resulting Numbers: [53, 77, 1] Generated Node #2: [53, 77, 1] from Operation: 3-2=1 Current State: 24:[53, 77, 1], Operations: ['3-2=1'] Exploring Operation: 77-53=24, Resulting Numbers: [1, 24] Generated Node #3: [1, 24] from Operation: 77-53=24 Current State: 24:[1, 24], Operations: ['3-2=1', '77-53=24'] Exploring Operation: 1*24=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[3, 53, 77, 2], Operations: [] Exploring Operation: 53-3=50, Resulting Numbers: [77, 2, 50] Generated Node #0,0: 24:[77, 2, 50] Operation: 53-3=50 Exploring Operation: 77-53=24, Resulting Numbers: [3, 2, 24] Generated Node #0,1: 24:[3, 2, 24] Operation: 77-53=24 Moving to Node #0,1 Current State: 24:[3, 2, 24], Operations: ['77-53=24'] Exploring Operation: 3*2=6, Resulting Numbers: [24, 6] Generated Node #0,1,0: 24:[24, 6] Operation: 3*2=6 Exploring Operation: 24/3=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 24:[2, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[24, 6], Operations: ['77-53=24', '3*2=6'] Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,24 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:[2, 8], Operations: ['77-53=24', '24/3=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,24 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:[77, 2, 50], Operations: ['53-3=50'] Exploring Operation: 50/2=25, Resulting Numbers: [77, 25] Generated Node #0,0,0: 24:[77, 25] Operation: 50/2=25 Exploring Operation: 77-50=27, Resulting Numbers: [2, 27] Generated Node #0,0,1: 24:[2, 27] Operation: 77-50=27 Moving to Node #0,0,1 Current State: 24:[2, 27], Operations: ['53-3=50', '77-50=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[77, 25], Operations: ['53-3=50', '50/2=25'] Exploring Operation: 77+25=102, Resulting Numbers: [102] 102,24 unequal: No Solution Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,24 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 50, 35, 33, 26 ]
12
[ "50-26=24", "35-33=2", "24/2=12" ]
Current State: 12:[50, 35, 33, 26], Operations: [] Exploring Operation: 50-26=24, Resulting Numbers: [35, 33, 24] Generated Node #2: [35, 33, 24] from Operation: 50-26=24 Current State: 12:[35, 33, 24], Operations: ['50-26=24'] Exploring Operation: 35-33=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 35-33=2 Current State: 12:[24, 2], Operations: ['50-26=24', '35-33=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[50, 35, 33, 26], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [33, 26, 15] Generated Node #0,0: 12:[33, 26, 15] Operation: 50-35=15 Moving to Node #0,0 Current State: 12:[33, 26, 15], Operations: ['50-35=15'] Exploring Operation: 33-26=7, Resulting Numbers: [15, 7] Generated Node #0,0,0: 12:[15, 7] Operation: 33-26=7 Moving to Node #0,0,0 Current State: 12:[15, 7], Operations: ['50-35=15', '33-26=7'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,12 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 82, 38, 19, 80 ]
19
[ "82*19=1558", "1558-38=1520", "1520/80=19" ]
Current State: 19:[82, 38, 19, 80], Operations: [] Exploring Operation: 82*19=1558, Resulting Numbers: [38, 80, 1558] Generated Node #2: [38, 80, 1558] from Operation: 82*19=1558 Current State: 19:[38, 80, 1558], Operations: ['82*19=1558'] Exploring Operation: 1558-38=1520, Resulting Numbers: [80, 1520] Generated Node #3: [80, 1520] from Operation: 1558-38=1520 Current State: 19:[80, 1520], Operations: ['82*19=1558', '1558-38=1520'] Exploring Operation: 1520/80=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[82, 38, 19, 80], Operations: [] Exploring Operation: 82-38=44, Resulting Numbers: [19, 80, 44] Generated Node #0,0: 19:[19, 80, 44] Operation: 82-38=44 Exploring Operation: 80-38=42, Resulting Numbers: [82, 19, 42] Generated Node #0,1: 19:[82, 19, 42] Operation: 80-38=42 Exploring Operation: 82-80=2, Resulting Numbers: [38, 19, 2] Generated Node #0,2: 19:[38, 19, 2] Operation: 82-80=2 Moving to Node #0,2 Current State: 19:[38, 19, 2], Operations: ['82-80=2'] Exploring Operation: 38-19=19, Resulting Numbers: [2, 19] Generated Node #0,2,0: 19:[2, 19] Operation: 38-19=19 Exploring Operation: 38/2=19, Resulting Numbers: [19, 19] Generated Node #0,2,1: 19:[19, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [19, 36] Generated Node #0,2,2: 19:[19, 36] Operation: 38-2=36 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[19, 19], Operations: ['82-80=2', '38/2=19'] Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[2, 19], Operations: ['82-80=2', '38-19=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[19, 36], Operations: ['82-80=2', '38-2=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,19 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: 19:[19, 80, 44], Operations: ['82-38=44'] Exploring Operation: 44-19=25, Resulting Numbers: [80, 25] Generated Node #0,0,0: 19:[80, 25] Operation: 44-19=25 Exploring Operation: 80-19=61, Resulting Numbers: [44, 61] Generated Node #0,0,1: 19:[44, 61] Operation: 80-19=61 Exploring Operation: 80-44=36, Resulting Numbers: [19, 36] Generated Node #0,0,2: 19:[19, 36] Operation: 80-44=36 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[19, 36], Operations: ['82-38=44', '80-44=36'] Exploring Operation: 19+36=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 19*36=684, Resulting Numbers: [684] 684,19 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[80, 25], Operations: ['82-38=44', '44-19=25'] Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,19 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[44, 61], Operations: ['82-38=44', '80-19=61'] Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 44+61=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 44*61=2684, Resulting Numbers: [2684] 2684,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[82, 19, 42], Operations: ['80-38=42'] Exploring Operation: 82-19=63, Resulting Numbers: [42, 63] Generated Node #0,1,0: 19:[42, 63] Operation: 82-19=63 Exploring Operation: 82-42=40, Resulting Numbers: [19, 40] Generated Node #0,1,1: 19:[19, 40] Operation: 82-42=40 Exploring Operation: 42-19=23, Resulting Numbers: [82, 23] Generated Node #0,1,2: 19:[82, 23] Operation: 42-19=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[19, 40], Operations: ['80-38=42', '82-42=40'] Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,19 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[42, 63], Operations: ['80-38=42', '82-19=63'] Exploring Operation: 42*63=2646, Resulting Numbers: [2646] 2646,19 unequal: No Solution Exploring Operation: 42+63=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 63-42=21, Resulting Numbers: [21] 21,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[82, 23], Operations: ['80-38=42', '42-19=23'] Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,19 unequal: No Solution Exploring Operation: 82*23=1886, Resulting Numbers: [1886] 1886,19 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
[ 38, 20, 73, 2 ]
64
[ "38-20=18", "18/2=9", "73-9=64" ]
Current State: 64:[38, 20, 73, 2], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [73, 2, 18] Generated Node #2: [73, 2, 18] from Operation: 38-20=18 Current State: 64:[73, 2, 18], Operations: ['38-20=18'] Exploring Operation: 18/2=9, Resulting Numbers: [73, 9] Generated Node #3: [73, 9] from Operation: 18/2=9 Current State: 64:[73, 9], Operations: ['38-20=18', '18/2=9'] Exploring Operation: 73-9=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[38, 20, 73, 2], Operations: [] Exploring Operation: 73-38=35, Resulting Numbers: [20, 2, 35] Generated Node #0,0: 64:[20, 2, 35] Operation: 73-38=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[20, 2, 35], Operations: ['73-38=35'] Exploring Operation: 35-20=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 64:[2, 15] Operation: 35-20=15 Moving to Node #0,0,0 Current State: 64:[2, 15], Operations: ['73-38=35', '35-20=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,64 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
[ 85, 97, 74, 98 ]
36
[ "97-85=12", "98-74=24", "12+24=36" ]
Current State: 36:[85, 97, 74, 98], Operations: [] Exploring Operation: 97-85=12, Resulting Numbers: [74, 98, 12] Generated Node #2: [74, 98, 12] from Operation: 97-85=12 Current State: 36:[74, 98, 12], Operations: ['97-85=12'] Exploring Operation: 98-74=24, Resulting Numbers: [12, 24] Generated Node #3: [12, 24] from Operation: 98-74=24 Current State: 36:[12, 24], Operations: ['97-85=12', '98-74=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[85, 97, 74, 98], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [85, 74, 1] Generated Node #0,0: 36:[85, 74, 1] Operation: 98-97=1 Exploring Operation: 97-74=23, Resulting Numbers: [85, 98, 23] Generated Node #0,1: 36:[85, 98, 23] Operation: 97-74=23 Exploring Operation: 98-85=13, Resulting Numbers: [97, 74, 13] Generated Node #0,2: 36:[97, 74, 13] Operation: 98-85=13 Exploring Operation: 97-85=12, Resulting Numbers: [74, 98, 12] Generated Node #0,3: 36:[74, 98, 12] Operation: 97-85=12 Moving to Node #0,0 Current State: 36:[85, 74, 1], Operations: ['98-97=1'] Exploring Operation: 85-1=84, Resulting Numbers: [74, 84] Generated Node #0,0,0: 36:[74, 84] Operation: 85-1=84 Exploring Operation: 85*1=85, Resulting Numbers: [74, 85] Generated Node #0,0,1: 36:[74, 85] Operation: 85*1=85 Exploring Operation: 74-1=73, Resulting Numbers: [85, 73] Generated Node #0,0,2: 36:[85, 73] Operation: 74-1=73 Exploring Operation: 85-74=11, Resulting Numbers: [1, 11] Generated Node #0,0,3: 36:[1, 11] Operation: 85-74=11 Moving to Node #0,3 Current State: 36:[74, 98, 12], Operations: ['97-85=12'] Exploring Operation: 98-74=24, Resulting Numbers: [12, 24] Generated Node #0,3,0: 36:[12, 24] Operation: 98-74=24 Exploring Operation: 74+12=86, Resulting Numbers: [98, 86] Generated Node #0,3,1: 36:[98, 86] Operation: 74+12=86 Exploring Operation: 98-12=86, Resulting Numbers: [74, 86] Generated Node #0,3,2: 36:[74, 86] Operation: 98-12=86 Exploring Operation: 74-12=62, Resulting Numbers: [98, 62] Generated Node #0,3,3: 36:[98, 62] Operation: 74-12=62 Moving to Node #0,2 Current State: 36:[97, 74, 13], Operations: ['98-85=13'] Exploring Operation: 97+13=110, Resulting Numbers: [74, 110] Generated Node #0,2,0: 36:[74, 110] Operation: 97+13=110 Exploring Operation: 97-74=23, Resulting Numbers: [13, 23] Generated Node #0,2,1: 36:[13, 23] Operation: 97-74=23 Exploring Operation: 74-13=61, Resulting Numbers: [97, 61] Generated Node #0,2,2: 36:[97, 61] Operation: 74-13=61 Exploring Operation: 97-13=84, Resulting Numbers: [74, 84] Generated Node #0,2,3: 36:[74, 84] Operation: 97-13=84 Moving to Node #0,1 Current State: 36:[85, 98, 23], Operations: ['97-74=23'] Exploring Operation: 85-23=62, Resulting Numbers: [98, 62] Generated Node #0,1,0: 36:[98, 62] Operation: 85-23=62 Exploring Operation: 85+23=108, Resulting Numbers: [98, 108] Generated Node #0,1,1: 36:[98, 108] Operation: 85+23=108 Exploring Operation: 98-85=13, Resulting Numbers: [23, 13] Generated Node #0,1,2: 36:[23, 13] Operation: 98-85=13 Exploring Operation: 98-23=75, Resulting Numbers: [85, 75] Generated Node #0,1,3: 36:[85, 75] Operation: 98-23=75 Moving to Node #0,0,3 Current State: 36:[1, 11], Operations: ['98-97=1', '85-74=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[23, 13], Operations: ['97-74=23', '98-85=13'] Exploring Operation: 23*13=299, Resulting Numbers: [299] 299,36 unequal: No Solution Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[85, 97, 74, 98], Operations: [] Exploring Operation: 97-74=23, Resulting Numbers: [85, 98, 23] Generated Node #0,1: 36:[85, 98, 23] Operation: 97-74=23 Moving to Node #0,1 Current State: 36:[85, 98, 23], Operations: ['97-74=23'] Exploring Operation: 98-85=13, Resulting Numbers: [23, 13] Generated Node #0,1,2: 36:[23, 13] Operation: 98-85=13 Moving to Node #0,1,2 Current State: 36:[23, 13], Operations: ['97-74=23', '98-85=13'] Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.973958
hs_4
sum_heuristic
[ 84, 23, 79, 44 ]
96
[ "84-23=61", "79-44=35", "61+35=96" ]
Current State: 96:[84, 23, 79, 44], Operations: [] Exploring Operation: 84-23=61, Resulting Numbers: [79, 44, 61] Generated Node #2: [79, 44, 61] from Operation: 84-23=61 Current State: 96:[79, 44, 61], Operations: ['84-23=61'] Exploring Operation: 79-44=35, Resulting Numbers: [61, 35] Generated Node #3: [61, 35] from Operation: 79-44=35 Current State: 96:[61, 35], Operations: ['84-23=61', '79-44=35'] Exploring Operation: 61+35=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[84, 23, 79, 44], Operations: [] Exploring Operation: 79-44=35, Resulting Numbers: [84, 23, 35] Generated Node #0,0: 96:[84, 23, 35] Operation: 79-44=35 Exploring Operation: 84-79=5, Resulting Numbers: [23, 44, 5] Generated Node #0,1: 96:[23, 44, 5] Operation: 84-79=5 Moving to Node #0,1 Current State: 96:[23, 44, 5], Operations: ['84-79=5'] Exploring Operation: 44-23=21, Resulting Numbers: [5, 21] Generated Node #0,1,0: 96:[5, 21] Operation: 44-23=21 Exploring Operation: 44+5=49, Resulting Numbers: [23, 49] Generated Node #0,1,1: 96:[23, 49] Operation: 44+5=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[23, 49], Operations: ['84-79=5', '44+5=49'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[5, 21], Operations: ['84-79=5', '44-23=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,96 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: 96:[84, 23, 35], Operations: ['79-44=35'] Exploring Operation: 35-23=12, Resulting Numbers: [84, 12] Generated Node #0,0,0: 96:[84, 12] Operation: 35-23=12 Exploring Operation: 84-35=49, Resulting Numbers: [23, 49] Generated Node #0,0,1: 96:[23, 49] Operation: 84-35=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[23, 49], Operations: ['79-44=35', '84-35=49'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[84, 12], Operations: ['79-44=35', '35-23=12'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[84, 23, 79, 44], Operations: [] Exploring Operation: 79-44=35, Resulting Numbers: [84, 23, 35] Generated Node #0,0: 96:[84, 23, 35] Operation: 79-44=35 Moving to Node #0,0 Current State: 96:[84, 23, 35], Operations: ['79-44=35'] Exploring Operation: 35-23=12, Resulting Numbers: [84, 12] Generated Node #0,0,0: 96:[84, 12] Operation: 35-23=12 Moving to Node #0,0,0 Current State: 96:[84, 12], Operations: ['79-44=35', '35-23=12'] Exploring Operation: 84+12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 54, 42, 36, 87 ]
29
[ "54-42=12", "36/12=3", "87/3=29" ]
Current State: 29:[54, 42, 36, 87], Operations: [] Exploring Operation: 54-42=12, Resulting Numbers: [36, 87, 12] Generated Node #2: [36, 87, 12] from Operation: 54-42=12 Current State: 29:[36, 87, 12], Operations: ['54-42=12'] Exploring Operation: 36/12=3, Resulting Numbers: [87, 3] Generated Node #3: [87, 3] from Operation: 36/12=3 Current State: 29:[87, 3], Operations: ['54-42=12', '36/12=3'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[54, 42, 36, 87], Operations: [] Exploring Operation: 87-42=45, Resulting Numbers: [54, 36, 45] Generated Node #0,0: 29:[54, 36, 45] Operation: 87-42=45 Exploring Operation: 54-42=12, Resulting Numbers: [36, 87, 12] Generated Node #0,1: 29:[36, 87, 12] Operation: 54-42=12 Exploring Operation: 87-54=33, Resulting Numbers: [42, 36, 33] Generated Node #0,2: 29:[42, 36, 33] Operation: 87-54=33 Exploring Operation: 87-36=51, Resulting Numbers: [54, 42, 51] Generated Node #0,3: 29:[54, 42, 51] Operation: 87-36=51 Exploring Operation: 54-36=18, Resulting Numbers: [42, 87, 18] Generated Node #0,4: 29:[42, 87, 18] Operation: 54-36=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[42, 36, 33], Operations: ['87-54=33'] Exploring Operation: 42-36=6, Resulting Numbers: [33, 6] Generated Node #0,2,0: 29:[33, 6] Operation: 42-36=6 Exploring Operation: 42+36=78, Resulting Numbers: [33, 78] Generated Node #0,2,1: 29:[33, 78] Operation: 42+36=78 Exploring Operation: 42+33=75, Resulting Numbers: [36, 75] Generated Node #0,2,2: 29:[36, 75] Operation: 42+33=75 Exploring Operation: 42-33=9, Resulting Numbers: [36, 9] Generated Node #0,2,3: 29:[36, 9] Operation: 42-33=9 Exploring Operation: 36-33=3, Resulting Numbers: [42, 3] Generated Node #0,2,4: 29:[42, 3] Operation: 36-33=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[33, 6], Operations: ['87-54=33', '42-36=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,29 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 #0,2,3 Current State: 29:[36, 9], Operations: ['87-54=33', '42-33=9'] Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,29 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,29 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 #0,2,4 Current State: 29:[42, 3], Operations: ['87-54=33', '36-33=3'] Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,29 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,29 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 #0,2,1 Current State: 29:[33, 78], Operations: ['87-54=33', '42+36=78'] Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,29 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,29 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 #0,2,2 Current State: 29:[36, 75], Operations: ['87-54=33', '42+33=75'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,29 unequal: No Solution Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[54, 36, 45], Operations: ['87-42=45'] Exploring Operation: 45-36=9, Resulting Numbers: [54, 9] Generated Node #0,0,0: 29:[54, 9] Operation: 45-36=9 Exploring Operation: 54-36=18, Resulting Numbers: [45, 18] Generated Node #0,0,1: 29:[45, 18] Operation: 54-36=18 Exploring Operation: 54+36=90, Resulting Numbers: [45, 90] Generated Node #0,0,2: 29:[45, 90] Operation: 54+36=90 Exploring Operation: 54+45=99, Resulting Numbers: [36, 99] Generated Node #0,0,3: 29:[36, 99] Operation: 54+45=99 Exploring Operation: 54-45=9, Resulting Numbers: [36, 9] Generated Node #0,0,4: 29:[36, 9] Operation: 54-45=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[45, 18], Operations: ['87-42=45', '54-36=18'] Exploring Operation: 45*18=810, Resulting Numbers: [810] 810,29 unequal: No Solution Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 29:[36, 9], Operations: ['87-42=45', '54-45=9'] Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,29 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[54, 9], Operations: ['87-42=45', '45-36=9'] Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,29 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[45, 90], Operations: ['87-42=45', '54+36=90'] Exploring Operation: 90/45=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 45*90=4050, Resulting Numbers: [4050] 4050,29 unequal: No Solution Exploring Operation: 90-45=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 45+90=135, Resulting Numbers: [135] 135,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[36, 99], Operations: ['87-42=45', '54+45=99'] Exploring Operation: 36*99=3564, Resulting Numbers: [3564] 3564,29 unequal: No Solution Exploring Operation: 36+99=135, Resulting Numbers: [135] 135,29 unequal: No Solution Exploring Operation: 99-36=63, Resulting Numbers: [63] 63,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[54, 42, 51], Operations: ['87-36=51'] Exploring Operation: 54+51=105, Resulting Numbers: [42, 105] Generated Node #0,3,0: 29:[42, 105] Operation: 54+51=105 Exploring Operation: 54+42=96, Resulting Numbers: [51, 96] Generated Node #0,3,1: 29:[51, 96] Operation: 54+42=96 Exploring Operation: 51-42=9, Resulting Numbers: [54, 9] Generated Node #0,3,2: 29:[54, 9] Operation: 51-42=9 Exploring Operation: 54-42=12, Resulting Numbers: [51, 12] Generated Node #0,3,3: 29:[51, 12] Operation: 54-42=12 Exploring Operation: 54-51=3, Resulting Numbers: [42, 3] Generated Node #0,3,4: 29:[42, 3] Operation: 54-51=3 Moving to Node #0,3,3 Current State: 29:[51, 12], Operations: ['87-36=51', '54-42=12'] Exploring Operation: 51+12=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 51*12=612, Resulting Numbers: [612] 612,29 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,29 unequal: No Solution Moving to Node #0,3,4 Current State: 29:[42, 3], Operations: ['87-36=51', '54-51=3'] Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,29 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[54, 9], Operations: ['87-36=51', '51-42=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,29 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[42, 105], Operations: ['87-36=51', '54+51=105'] Exploring Operation: 42+105=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 105-42=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 42*105=4410, Resulting Numbers: [4410] 4410,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[51, 96], Operations: ['87-36=51', '54+42=96'] Exploring Operation: 51*96=4896, Resulting Numbers: [4896] 4896,29 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 51+96=147, Resulting Numbers: [147] 147,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[36, 87, 12], Operations: ['54-42=12'] Exploring Operation: 87-36=51, Resulting Numbers: [12, 51] Generated Node #0,1,0: 29:[12, 51] Operation: 87-36=51 Exploring Operation: 36-12=24, Resulting Numbers: [87, 24] Generated Node #0,1,1: 29:[87, 24] Operation: 36-12=24 Exploring Operation: 87-12=75, Resulting Numbers: [36, 75] Generated Node #0,1,2: 29:[36, 75] Operation: 87-12=75 Exploring Operation: 36+12=48, Resulting Numbers: [87, 48] Generated Node #0,1,3: 29:[87, 48] Operation: 36+12=48 Exploring Operation: 87+12=99, Resulting Numbers: [36, 99] Generated Node #0,1,4: 29:[36, 99] Operation: 87+12=99 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[12, 51], Operations: ['54-42=12', '87-36=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,29 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 #0,1,2 Current State: 29:[36, 75], Operations: ['54-42=12', '87-12=75'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,29 unequal: No Solution Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,29 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 #0,1,1 Current State: 29:[87, 24], Operations: ['54-42=12', '36-12=24'] Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,29 unequal: No Solution Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,29 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 #0,1,3 Current State: 29:[87, 48], Operations: ['54-42=12', '36+12=48'] Exploring Operation: 87*48=4176, Resulting Numbers: [4176] 4176,29 unequal: No Solution Exploring Operation: 87+48=135, Resulting Numbers: [135] 135,29 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,29 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 #0,1,4 Current State: 29:[36, 99], Operations: ['54-42=12', '87+12=99'] Exploring Operation: 36*99=3564, Resulting Numbers: [3564] 3564,29 unequal: No Solution Exploring Operation: 36+99=135, Resulting Numbers: [135] 135,29 unequal: No Solution Exploring Operation: 99-36=63, Resulting Numbers: [63] 63,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[42, 87, 18], Operations: ['54-36=18'] Exploring Operation: 42-18=24, Resulting Numbers: [87, 24] Generated Node #0,4,0: 29:[87, 24] Operation: 42-18=24 Exploring Operation: 42+18=60, Resulting Numbers: [87, 60] Generated Node #0,4,1: 29:[87, 60] Operation: 42+18=60 Exploring Operation: 87-18=69, Resulting Numbers: [42, 69] Generated Node #0,4,2: 29:[42, 69] Operation: 87-18=69 Exploring Operation: 87-42=45, Resulting Numbers: [18, 45] Generated Node #0,4,3: 29:[18, 45] Operation: 87-42=45 Exploring Operation: 87+18=105, Resulting Numbers: [42, 105] Generated Node #0,4,4: 29:[42, 105] Operation: 87+18=105 Moving to Node #0,4,3 Current State: 29:[18, 45], Operations: ['54-36=18', '87-42=45'] Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,29 unequal: No Solution Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[42, 69], Operations: ['54-36=18', '87-18=69'] Exploring Operation: 42*69=2898, Resulting Numbers: [2898] 2898,29 unequal: No Solution Exploring Operation: 69-42=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 42+69=111, Resulting Numbers: [111] 111,29 unequal: No Solution Moving to Node #0,4,0 Current State: 29:[87, 24], Operations: ['54-36=18', '42-18=24'] Exploring Operation: 87+24=111, Resulting Numbers: [111] 111,29 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,29 unequal: No Solution Exploring Operation: 87*24=2088, Resulting Numbers: [2088] 2088,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[87, 60], Operations: ['54-36=18', '42+18=60'] Exploring Operation: 87+60=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 87*60=5220, Resulting Numbers: [5220] 5220,29 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[42, 105], Operations: ['54-36=18', '87+18=105'] Exploring Operation: 42*105=4410, Resulting Numbers: [4410] 4410,29 unequal: No Solution Exploring Operation: 42+105=147, Resulting Numbers: [147] 147,29 unequal: No Solution Exploring Operation: 105-42=63, Resulting Numbers: [63] 63,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 85, 39, 64, 16 ]
71
[ "39*64=2496", "2496/16=156", "156-85=71" ]
Current State: 71:[85, 39, 64, 16], Operations: [] Exploring Operation: 39*64=2496, Resulting Numbers: [85, 16, 2496] Generated Node #2: [85, 16, 2496] from Operation: 39*64=2496 Current State: 71:[85, 16, 2496], Operations: ['39*64=2496'] Exploring Operation: 2496/16=156, Resulting Numbers: [85, 156] Generated Node #3: [85, 156] from Operation: 2496/16=156 Current State: 71:[85, 156], Operations: ['39*64=2496', '2496/16=156'] Exploring Operation: 156-85=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[85, 39, 64, 16], Operations: [] Exploring Operation: 85-16=69, Resulting Numbers: [39, 64, 69] Generated Node #0,0: 71:[39, 64, 69] Operation: 85-16=69 Exploring Operation: 39+16=55, Resulting Numbers: [85, 64, 55] Generated Node #0,1: 71:[85, 64, 55] Operation: 39+16=55 Moving to Node #0,1 Current State: 71:[85, 64, 55], Operations: ['39+16=55'] Exploring Operation: 64+55=119, Resulting Numbers: [85, 119] Generated Node #0,1,0: 71:[85, 119] Operation: 64+55=119 Exploring Operation: 85-55=30, Resulting Numbers: [64, 30] Generated Node #0,1,1: 71:[64, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[64, 30], Operations: ['39+16=55', '85-55=30'] Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,71 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[85, 119], Operations: ['39+16=55', '64+55=119'] Exploring Operation: 119-85=34, Resulting Numbers: [34] 34,71 unequal: No Solution Exploring Operation: 85+119=204, Resulting Numbers: [204] 204,71 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: 71:[39, 64, 69], Operations: ['85-16=69'] Exploring Operation: 39+64=103, Resulting Numbers: [69, 103] Generated Node #0,0,0: 71:[69, 103] Operation: 39+64=103 Exploring Operation: 39+69=108, Resulting Numbers: [64, 108] Generated Node #0,0,1: 71:[64, 108] Operation: 39+69=108 Moving to Node #0,0,0 Current State: 71:[69, 103], Operations: ['85-16=69', '39+64=103'] Exploring Operation: 69+103=172, Resulting Numbers: [172] 172,71 unequal: No Solution Exploring Operation: 103-69=34, Resulting Numbers: [34] 34,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[64, 108], Operations: ['85-16=69', '39+69=108'] Exploring Operation: 108-64=44, Resulting Numbers: [44] 44,71 unequal: No Solution Exploring Operation: 64+108=172, Resulting Numbers: [172] 172,71 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 88, 65, 37, 9 ]
90
[ "65+9=74", "74/37=2", "88+2=90" ]
Current State: 90:[88, 65, 37, 9], Operations: [] Exploring Operation: 65+9=74, Resulting Numbers: [88, 37, 74] Generated Node #2: [88, 37, 74] from Operation: 65+9=74 Current State: 90:[88, 37, 74], Operations: ['65+9=74'] Exploring Operation: 74/37=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 74/37=2 Current State: 90:[88, 2], Operations: ['65+9=74', '74/37=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[88, 65, 37, 9], Operations: [] Exploring Operation: 65-37=28, Resulting Numbers: [88, 9, 28] Generated Node #0,0: 90:[88, 9, 28] Operation: 65-37=28 Exploring Operation: 65+37=102, Resulting Numbers: [88, 9, 102] Generated Node #0,1: 90:[88, 9, 102] Operation: 65+37=102 Exploring Operation: 88-65=23, Resulting Numbers: [37, 9, 23] Generated Node #0,2: 90:[37, 9, 23] Operation: 88-65=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[88, 9, 28], Operations: ['65-37=28'] Exploring Operation: 88+9=97, Resulting Numbers: [28, 97] Generated Node #0,0,0: 90:[28, 97] Operation: 88+9=97 Exploring Operation: 9+28=37, Resulting Numbers: [88, 37] Generated Node #0,0,1: 90:[88, 37] Operation: 9+28=37 Exploring Operation: 28-9=19, Resulting Numbers: [88, 19] Generated Node #0,0,2: 90:[88, 19] Operation: 28-9=19 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[88, 19], Operations: ['65-37=28', '28-9=19'] Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,90 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[28, 97], Operations: ['65-37=28', '88+9=97'] Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 28*97=2716, Resulting Numbers: [2716] 2716,90 unequal: No Solution Exploring Operation: 28+97=125, Resulting Numbers: [125] 125,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[88, 37], Operations: ['65-37=28', '9+28=37'] Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,90 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[37, 9, 23], Operations: ['88-65=23'] Exploring Operation: 37+9=46, Resulting Numbers: [23, 46] Generated Node #0,2,0: 90:[23, 46] Operation: 37+9=46 Exploring Operation: 37-9=28, Resulting Numbers: [23, 28] Generated Node #0,2,1: 90:[23, 28] Operation: 37-9=28 Exploring Operation: 37-23=14, Resulting Numbers: [9, 14] Generated Node #0,2,2: 90:[9, 14] Operation: 37-23=14 Moving to Node #0,2,2 Current State: 90:[9, 14], Operations: ['88-65=23', '37-23=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[23, 46], Operations: ['88-65=23', '37+9=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[23, 28], Operations: ['88-65=23', '37-9=28'] Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[88, 9, 102], Operations: ['65+37=102'] Exploring Operation: 102-9=93, Resulting Numbers: [88, 93] Generated Node #0,1,0: 90:[88, 93] Operation: 102-9=93 Exploring Operation: 88+9=97, Resulting Numbers: [102, 97] Generated Node #0,1,1: 90:[102, 97] Operation: 88+9=97 Exploring Operation: 102-88=14, Resulting Numbers: [9, 14] Generated Node #0,1,2: 90:[9, 14] Operation: 102-88=14 Moving to Node #0,1,2 Current State: 90:[9, 14], Operations: ['65+37=102', '102-88=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,90 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[88, 93], Operations: ['65+37=102', '102-9=93'] Exploring Operation: 88+93=181, Resulting Numbers: [181] 181,90 unequal: No Solution Exploring Operation: 88*93=8184, Resulting Numbers: [8184] 8184,90 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[102, 97], Operations: ['65+37=102', '88+9=97'] Exploring Operation: 102+97=199, Resulting Numbers: [199] 199,90 unequal: No Solution Exploring Operation: 102*97=9894, Resulting Numbers: [9894] 9894,90 unequal: No Solution Exploring Operation: 102-97=5, Resulting Numbers: [5] 5,90 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
[ 17, 18, 23, 46 ]
52
[ "17*46=782", "782/23=34", "18+34=52" ]
Current State: 52:[17, 18, 23, 46], Operations: [] Exploring Operation: 17*46=782, Resulting Numbers: [18, 23, 782] Generated Node #2: [18, 23, 782] from Operation: 17*46=782 Current State: 52:[18, 23, 782], Operations: ['17*46=782'] Exploring Operation: 782/23=34, Resulting Numbers: [18, 34] Generated Node #3: [18, 34] from Operation: 782/23=34 Current State: 52:[18, 34], Operations: ['17*46=782', '782/23=34'] Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[17, 18, 23, 46], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [17, 18, 2] Generated Node #0,0: 52:[17, 18, 2] Operation: 46/23=2 Exploring Operation: 46-18=28, Resulting Numbers: [17, 23, 28] Generated Node #0,1: 52:[17, 23, 28] Operation: 46-18=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[17, 18, 2], Operations: ['46/23=2'] Exploring Operation: 17-2=15, Resulting Numbers: [18, 15] Generated Node #0,0,0: 52:[18, 15] Operation: 17-2=15 Exploring Operation: 18-17=1, Resulting Numbers: [2, 1] Generated Node #0,0,1: 52:[2, 1] Operation: 18-17=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[2, 1], Operations: ['46/23=2', '18-17=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,52 unequal: No Solution No 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: 52:[18, 15], Operations: ['46/23=2', '17-2=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,52 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: 52:[17, 23, 28], Operations: ['46-18=28'] Exploring Operation: 28-17=11, Resulting Numbers: [23, 11] Generated Node #0,1,0: 52:[23, 11] Operation: 28-17=11 Exploring Operation: 23-17=6, Resulting Numbers: [28, 6] Generated Node #0,1,1: 52:[28, 6] Operation: 23-17=6 Moving to Node #0,1,1 Current State: 52:[28, 6], Operations: ['46-18=28', '23-17=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[23, 11], Operations: ['46-18=28', '28-17=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,52 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
[ 42, 54, 33, 51 ]
93
[ "54-51=3", "42*3=126", "126-33=93" ]
Current State: 93:[42, 54, 33, 51], Operations: [] Exploring Operation: 54-51=3, Resulting Numbers: [42, 33, 3] Generated Node #2: [42, 33, 3] from Operation: 54-51=3 Current State: 93:[42, 33, 3], Operations: ['54-51=3'] Exploring Operation: 42*3=126, Resulting Numbers: [33, 126] Generated Node #3: [33, 126] from Operation: 42*3=126 Current State: 93:[33, 126], Operations: ['54-51=3', '42*3=126'] Exploring Operation: 126-33=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[42, 54, 33, 51], Operations: [] Exploring Operation: 42+51=93, Resulting Numbers: [54, 33, 93] Generated Node #0,0: 93:[54, 33, 93] Operation: 42+51=93 Exploring Operation: 54-51=3, Resulting Numbers: [42, 33, 3] Generated Node #0,1: 93:[42, 33, 3] Operation: 54-51=3 Exploring Operation: 42+54=96, Resulting Numbers: [33, 51, 96] Generated Node #0,2: 93:[33, 51, 96] Operation: 42+54=96 Moving to Node #0,1 Current State: 93:[42, 33, 3], Operations: ['54-51=3'] Exploring Operation: 33-3=30, Resulting Numbers: [42, 30] Generated Node #0,1,0: 93:[42, 30] Operation: 33-3=30 Exploring Operation: 42-3=39, Resulting Numbers: [33, 39] Generated Node #0,1,1: 93:[33, 39] Operation: 42-3=39 Exploring Operation: 42-33=9, Resulting Numbers: [3, 9] Generated Node #0,1,2: 93:[3, 9] Operation: 42-33=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[3, 9], Operations: ['54-51=3', '42-33=9'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[33, 39], Operations: ['54-51=3', '42-3=39'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 33*39=1287, Resulting Numbers: [1287] 1287,93 unequal: No Solution Exploring Operation: 33+39=72, Resulting Numbers: [72] 72,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[42, 30], Operations: ['54-51=3', '33-3=30'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,93 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: 93:[54, 33, 93], Operations: ['42+51=93'] Exploring Operation: 54-33=21, Resulting Numbers: [93, 21] Generated Node #0,0,0: 93:[93, 21] Operation: 54-33=21 Exploring Operation: 54+33=87, Resulting Numbers: [93, 87] Generated Node #0,0,1: 93:[93, 87] Operation: 54+33=87 Exploring Operation: 93-54=39, Resulting Numbers: [33, 39] Generated Node #0,0,2: 93:[33, 39] Operation: 93-54=39 Moving to Node #0,2 Current State: 93:[33, 51, 96], Operations: ['42+54=96'] Exploring Operation: 33+51=84, Resulting Numbers: [96, 84] Generated Node #0,2,0: 93:[96, 84] Operation: 33+51=84 Exploring Operation: 51-33=18, Resulting Numbers: [96, 18] Generated Node #0,2,1: 93:[96, 18] Operation: 51-33=18 Exploring Operation: 96-51=45, Resulting Numbers: [33, 45] Generated Node #0,2,2: 93:[33, 45] Operation: 96-51=45 Moving to Node #0,0,1 Current State: 93:[93, 87], Operations: ['42+51=93', '54+33=87'] Exploring Operation: 93*87=8091, Resulting Numbers: [8091] 8091,93 unequal: No Solution Exploring Operation: 93+87=180, Resulting Numbers: [180] 180,93 unequal: No Solution Exploring Operation: 93-87=6, Resulting Numbers: [6] 6,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[33, 39], Operations: ['42+51=93', '93-54=39'] Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 33*39=1287, Resulting Numbers: [1287] 1287,93 unequal: No Solution Exploring Operation: 33+39=72, Resulting Numbers: [72] 72,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[93, 21], Operations: ['42+51=93', '54-33=21'] Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,93 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,93 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[96, 84], Operations: ['42+54=96', '33+51=84'] Exploring Operation: 96+84=180, Resulting Numbers: [180] 180,93 unequal: No Solution Exploring Operation: 96*84=8064, Resulting Numbers: [8064] 8064,93 unequal: No Solution Exploring Operation: 96-84=12, Resulting Numbers: [12] 12,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[96, 18], Operations: ['42+54=96', '51-33=18'] Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,93 unequal: No Solution Exploring Operation: 96+18=114, Resulting Numbers: [114] 114,93 unequal: No Solution Exploring Operation: 96*18=1728, Resulting Numbers: [1728] 1728,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[33, 45], Operations: ['42+54=96', '96-51=45'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 33*45=1485, Resulting Numbers: [1485] 1485,93 unequal: No Solution Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 21, 42, 9, 30 ]
41
[ "42/21=2", "9+30=39", "2+39=41" ]
Current State: 41:[21, 42, 9, 30], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [9, 30, 2] Generated Node #2: [9, 30, 2] from Operation: 42/21=2 Current State: 41:[9, 30, 2], Operations: ['42/21=2'] Exploring Operation: 9+30=39, Resulting Numbers: [2, 39] Generated Node #3: [2, 39] from Operation: 9+30=39 Current State: 41:[2, 39], Operations: ['42/21=2', '9+30=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[21, 42, 9, 30], Operations: [] Exploring Operation: 21-9=12, Resulting Numbers: [42, 30, 12] Generated Node #0,0: 41:[42, 30, 12] Operation: 21-9=12 Exploring Operation: 9+30=39, Resulting Numbers: [21, 42, 39] Generated Node #0,1: 41:[21, 42, 39] Operation: 9+30=39 Exploring Operation: 21+9=30, Resulting Numbers: [42, 30, 30] Generated Node #0,2: 41:[42, 30, 30] Operation: 21+9=30 Exploring Operation: 42-9=33, Resulting Numbers: [21, 30, 33] Generated Node #0,3: 41:[21, 30, 33] Operation: 42-9=33 Moving to Node #0,1 Current State: 41:[21, 42, 39], Operations: ['9+30=39'] Exploring Operation: 42-21=21, Resulting Numbers: [39, 21] Generated Node #0,1,0: 41:[39, 21] Operation: 42-21=21 Exploring Operation: 21+42=63, Resulting Numbers: [39, 63] Generated Node #0,1,1: 41:[39, 63] Operation: 21+42=63 Exploring Operation: 39-21=18, Resulting Numbers: [42, 18] Generated Node #0,1,2: 41:[42, 18] Operation: 39-21=18 Exploring Operation: 21+39=60, Resulting Numbers: [42, 60] Generated Node #0,1,3: 41:[42, 60] Operation: 21+39=60 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[42, 60], Operations: ['9+30=39', '21+39=60'] Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 42+60=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 42*60=2520, Resulting Numbers: [2520] 2520,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[39, 21], Operations: ['9+30=39', '42-21=21'] Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,41 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[39, 63], Operations: ['9+30=39', '21+42=63'] Exploring Operation: 39*63=2457, Resulting Numbers: [2457] 2457,41 unequal: No Solution Exploring Operation: 39+63=102, Resulting Numbers: [102] 102,41 unequal: No Solution Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[42, 18], Operations: ['9+30=39', '39-21=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 41:[42, 30, 30], Operations: ['21+9=30'] Exploring Operation: 42-30=12, Resulting Numbers: [30, 12] Generated Node #0,2,0: 41:[30, 12] Operation: 42-30=12 Exploring Operation: 30/30=1, Resulting Numbers: [42, 1] Generated Node #0,2,1: 41:[42, 1] Operation: 30/30=1 Exploring Operation: 30+30=60, Resulting Numbers: [42, 60] Generated Node #0,2,2: 41:[42, 60] Operation: 30+30=60 Exploring Operation: 42-30=12, Resulting Numbers: [30, 12] Generated Node #0,2,3: 41:[30, 12] Operation: 42-30=12 Moving to Node #0,3 Current State: 41:[21, 30, 33], Operations: ['42-9=33'] Exploring Operation: 21+33=54, Resulting Numbers: [30, 54] Generated Node #0,3,0: 41:[30, 54] Operation: 21+33=54 Exploring Operation: 21+30=51, Resulting Numbers: [33, 51] Generated Node #0,3,1: 41:[33, 51] Operation: 21+30=51 Exploring Operation: 30-21=9, Resulting Numbers: [33, 9] Generated Node #0,3,2: 41:[33, 9] Operation: 30-21=9 Exploring Operation: 33-21=12, Resulting Numbers: [30, 12] Generated Node #0,3,3: 41:[30, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[33, 51], Operations: ['42-9=33', '21+30=51'] Exploring Operation: 33+51=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 33*51=1683, Resulting Numbers: [1683] 1683,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[30, 54], Operations: ['42-9=33', '21+33=54'] Exploring Operation: 30*54=1620, Resulting Numbers: [1620] 1620,41 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 41:[33, 9], Operations: ['42-9=33', '30-21=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,41 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[30, 12], Operations: ['42-9=33', '33-21=12'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,41 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,41 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: 41:[42, 30, 12], Operations: ['21-9=12'] Exploring Operation: 42-12=30, Resulting Numbers: [30, 30] Generated Node #0,0,0: 41:[30, 30] Operation: 42-12=30 Exploring Operation: 42+12=54, Resulting Numbers: [30, 54] Generated Node #0,0,1: 41:[30, 54] Operation: 42+12=54 Exploring Operation: 30+12=42, Resulting Numbers: [42, 42] Generated Node #0,0,2: 41:[42, 42] Operation: 30+12=42 Exploring Operation: 30-12=18, Resulting Numbers: [42, 18] Generated Node #0,0,3: 41:[42, 18] Operation: 30-12=18 Moving to Node #0,0,2 Current State: 41:[42, 42], Operations: ['21-9=12', '30+12=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 42*42=1764, Resulting Numbers: [1764] 1764,41 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[42, 60], Operations: ['21+9=30', '30+30=60'] Exploring Operation: 60-42=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 42*60=2520, Resulting Numbers: [2520] 2520,41 unequal: No Solution Exploring Operation: 42+60=102, Resulting Numbers: [102] 102,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[30, 30], Operations: ['21-9=12', '42-12=30'] Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,41 unequal: No Solution Exploring Operation: 30+30=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 30*30=900, Resulting Numbers: [900] 900,41 unequal: No Solution Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[30, 54], Operations: ['21-9=12', '42+12=54'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,41 unequal: No Solution Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,41 unequal: No Solution Exploring Operation: 30*54=1620, Resulting Numbers: [1620] 1620,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[42, 18], Operations: ['21-9=12', '30-12=18'] Exploring Operation: 42*18=756, Resulting Numbers: [756] 756,41 unequal: No Solution Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,41 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[30, 12], Operations: ['21+9=30', '42-30=12'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[30, 12], Operations: ['21+9=30', '42-30=12'] Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,41 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[42, 1], Operations: ['21+9=30', '30/30=1'] Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,41 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[21, 42, 9, 30], Operations: [] Exploring Operation: 21+9=30, Resulting Numbers: [42, 30, 30] Generated Node #0,2: 41:[42, 30, 30] Operation: 21+9=30 Moving to Node #0,2 Current State: 41:[42, 30, 30], Operations: ['21+9=30'] Exploring Operation: 30/30=1, Resulting Numbers: [42, 1] Generated Node #0,2,1: 41:[42, 1] Operation: 30/30=1 Moving to Node #0,2,1 Current State: 41:[42, 1], Operations: ['21+9=30', '30/30=1'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
0.935764
hs_4
mult_heuristic
[ 33, 7, 49, 31 ]
35
[ "33-31=2", "7*2=14", "49-14=35" ]
Current State: 35:[33, 7, 49, 31], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [7, 49, 2] Generated Node #2: [7, 49, 2] from Operation: 33-31=2 Current State: 35:[7, 49, 2], Operations: ['33-31=2'] Exploring Operation: 7*2=14, Resulting Numbers: [49, 14] Generated Node #3: [49, 14] from Operation: 7*2=14 Current State: 35:[49, 14], Operations: ['33-31=2', '7*2=14'] Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[33, 7, 49, 31], Operations: [] Exploring Operation: 49-31=18, Resulting Numbers: [33, 7, 18] Generated Node #0,0: 35:[33, 7, 18] Operation: 49-31=18 Exploring Operation: 49/7=7, Resulting Numbers: [33, 31, 7] Generated Node #0,1: 35:[33, 31, 7] Operation: 49/7=7 Exploring Operation: 49-7=42, Resulting Numbers: [33, 31, 42] Generated Node #0,2: 35:[33, 31, 42] Operation: 49-7=42 Exploring Operation: 49-33=16, Resulting Numbers: [7, 31, 16] Generated Node #0,3: 35:[7, 31, 16] Operation: 49-33=16 Exploring Operation: 33-31=2, Resulting Numbers: [7, 49, 2] Generated Node #0,4: 35:[7, 49, 2] Operation: 33-31=2 Moving to Node #0,1 Current State: 35:[33, 31, 7], Operations: ['49/7=7'] Exploring Operation: 33-31=2, Resulting Numbers: [7, 2] Generated Node #0,1,0: 35:[7, 2] Operation: 33-31=2 Exploring Operation: 31-7=24, Resulting Numbers: [33, 24] Generated Node #0,1,1: 35:[33, 24] Operation: 31-7=24 Exploring Operation: 33+7=40, Resulting Numbers: [31, 40] Generated Node #0,1,2: 35:[31, 40] Operation: 33+7=40 Exploring Operation: 33-7=26, Resulting Numbers: [31, 26] Generated Node #0,1,3: 35:[31, 26] Operation: 33-7=26 Exploring Operation: 31+7=38, Resulting Numbers: [33, 38] Generated Node #0,1,4: 35:[33, 38] Operation: 31+7=38 Moving to Node #0,2 Current State: 35:[33, 31, 42], Operations: ['49-7=42'] Exploring Operation: 33-31=2, Resulting Numbers: [42, 2] Generated Node #0,2,0: 35:[42, 2] Operation: 33-31=2 Exploring Operation: 33+31=64, Resulting Numbers: [42, 64] Generated Node #0,2,1: 35:[42, 64] Operation: 33+31=64 Exploring Operation: 42-31=11, Resulting Numbers: [33, 11] Generated Node #0,2,2: 35:[33, 11] Operation: 42-31=11 Exploring Operation: 42-33=9, Resulting Numbers: [31, 9] Generated Node #0,2,3: 35:[31, 9] Operation: 42-33=9 Exploring Operation: 31+42=73, Resulting Numbers: [33, 73] Generated Node #0,2,4: 35:[33, 73] Operation: 31+42=73 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[33, 11], Operations: ['49-7=42', '42-31=11'] Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 33*11=363, Resulting Numbers: [363] 363,35 unequal: No Solution No 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: 35:[31, 9], Operations: ['49-7=42', '42-33=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,35 unequal: No Solution No 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: 35:[42, 2], Operations: ['49-7=42', '33-31=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,35 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,35 unequal: No Solution No 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: 35:[42, 64], Operations: ['49-7=42', '33+31=64'] Exploring Operation: 42*64=2688, Resulting Numbers: [2688] 2688,35 unequal: No Solution Exploring Operation: 42+64=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 35:[33, 73], Operations: ['49-7=42', '31+42=73'] Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,35 unequal: No Solution Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,35 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,35 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: 35:[33, 7, 18], Operations: ['49-31=18'] Exploring Operation: 18-7=11, Resulting Numbers: [33, 11] Generated Node #0,0,0: 35:[33, 11] Operation: 18-7=11 Exploring Operation: 33+18=51, Resulting Numbers: [7, 51] Generated Node #0,0,1: 35:[7, 51] Operation: 33+18=51 Exploring Operation: 33-18=15, Resulting Numbers: [7, 15] Generated Node #0,0,2: 35:[7, 15] Operation: 33-18=15 Exploring Operation: 7+18=25, Resulting Numbers: [33, 25] Generated Node #0,0,3: 35:[33, 25] Operation: 7+18=25 Exploring Operation: 33+7=40, Resulting Numbers: [18, 40] Generated Node #0,0,4: 35:[18, 40] Operation: 33+7=40 Moving to Node #0,3 Current State: 35:[7, 31, 16], Operations: ['49-33=16'] Exploring Operation: 31-16=15, Resulting Numbers: [7, 15] Generated Node #0,3,0: 35:[7, 15] Operation: 31-16=15 Exploring Operation: 16-7=9, Resulting Numbers: [31, 9] Generated Node #0,3,1: 35:[31, 9] Operation: 16-7=9 Exploring Operation: 7+31=38, Resulting Numbers: [16, 38] Generated Node #0,3,2: 35:[16, 38] Operation: 7+31=38 Exploring Operation: 31+16=47, Resulting Numbers: [7, 47] Generated Node #0,3,3: 35:[7, 47] Operation: 31+16=47 Exploring Operation: 7+16=23, Resulting Numbers: [31, 23] Generated Node #0,3,4: 35:[31, 23] Operation: 7+16=23 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[31, 9], Operations: ['49-33=16', '16-7=9'] Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,35 unequal: No Solution Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,35 unequal: No Solution No 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: 35:[7, 15], Operations: ['49-33=16', '31-16=15'] Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,35 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,35 unequal: No Solution No 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: 35:[16, 38], Operations: ['49-33=16', '7+31=38'] Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,35 unequal: No Solution Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,35 unequal: No Solution No 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: 35:[7, 47], Operations: ['49-33=16', '31+16=47'] Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,35 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,35 unequal: No Solution No 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: 35:[31, 23], Operations: ['49-33=16', '7+16=23'] Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,35 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 35:[7, 49, 2], Operations: ['33-31=2'] Exploring Operation: 7+2=9, Resulting Numbers: [49, 9] Generated Node #0,4,0: 35:[49, 9] Operation: 7+2=9 Exploring Operation: 7-2=5, Resulting Numbers: [49, 5] Generated Node #0,4,1: 35:[49, 5] Operation: 7-2=5 Exploring Operation: 49/7=7, Resulting Numbers: [2, 7] Generated Node #0,4,2: 35:[2, 7] Operation: 49/7=7 Exploring Operation: 49-2=47, Resulting Numbers: [7, 47] Generated Node #0,4,3: 35:[7, 47] Operation: 49-2=47 Exploring Operation: 49-7=42, Resulting Numbers: [2, 42] Generated Node #0,4,4: 35:[2, 42] Operation: 49-7=42 Moving to Node #0,1,0 Current State: 35:[7, 2], Operations: ['49/7=7', '33-31=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,35 unequal: No Solution Moving to Node #0,4,2 Current State: 35:[2, 7], Operations: ['33-31=2', '49/7=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[33, 38], Operations: ['49/7=7', '31+7=38'] Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,35 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,35 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[33, 11], Operations: ['49-31=18', '18-7=11'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 33*11=363, Resulting Numbers: [363] 363,35 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[7, 15], Operations: ['49-31=18', '33-18=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,35 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[31, 40], Operations: ['49/7=7', '33+7=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,35 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[2, 42], Operations: ['33-31=2', '49-7=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,35 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[7, 47], Operations: ['33-31=2', '49-2=47'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[33, 25], Operations: ['49-31=18', '7+18=25'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[31, 26], Operations: ['49/7=7', '33-7=26'] Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,35 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[33, 24], Operations: ['49/7=7', '31-7=24'] Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,35 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,35 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[49, 5], Operations: ['33-31=2', '7-2=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,35 unequal: No Solution Moving to Node #0,0,4 Current State: 35:[18, 40], Operations: ['49-31=18', '33+7=40'] Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,35 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[7, 51], Operations: ['49-31=18', '33+18=51'] Exploring Operation: 7*51=357, Resulting Numbers: [357] 357,35 unequal: No Solution Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,35 unequal: No Solution Moving to Node #0,4,0 Current State: 35:[49, 9], Operations: ['33-31=2', '7+2=9'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,35 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,35 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 37, 2, 84, 72 ]
41
[ "84+72=156", "156/2=78", "78-37=41" ]
Current State: 41:[37, 2, 84, 72], Operations: [] Exploring Operation: 84+72=156, Resulting Numbers: [37, 2, 156] Generated Node #2: [37, 2, 156] from Operation: 84+72=156 Current State: 41:[37, 2, 156], Operations: ['84+72=156'] Exploring Operation: 156/2=78, Resulting Numbers: [37, 78] Generated Node #3: [37, 78] from Operation: 156/2=78 Current State: 41:[37, 78], Operations: ['84+72=156', '156/2=78'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[37, 2, 84, 72], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [37, 72, 42] Generated Node #0,0: 41:[37, 72, 42] Operation: 84/2=42 Exploring Operation: 72/2=36, Resulting Numbers: [37, 84, 36] Generated Node #0,1: 41:[37, 84, 36] Operation: 72/2=36 Exploring Operation: 84-72=12, Resulting Numbers: [37, 2, 12] Generated Node #0,2: 41:[37, 2, 12] Operation: 84-72=12 Moving to Node #0,0 Current State: 41:[37, 72, 42], Operations: ['84/2=42'] Exploring Operation: 42-37=5, Resulting Numbers: [72, 5] Generated Node #0,0,0: 41:[72, 5] Operation: 42-37=5 Exploring Operation: 72-37=35, Resulting Numbers: [42, 35] Generated Node #0,0,1: 41:[42, 35] Operation: 72-37=35 Exploring Operation: 72-42=30, Resulting Numbers: [37, 30] Generated Node #0,0,2: 41:[37, 30] Operation: 72-42=30 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[42, 35], Operations: ['84/2=42', '72-37=35'] Exploring Operation: 42+35=77, Resulting Numbers: [77] 77,41 unequal: No Solution Exploring Operation: 42*35=1470, Resulting Numbers: [1470] 1470,41 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[37, 30], Operations: ['84/2=42', '72-42=30'] Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,41 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[72, 5], Operations: ['84/2=42', '42-37=5'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,41 unequal: No Solution Exploring Operation: 72+5=77, Resulting Numbers: [77] 77,41 unequal: No Solution Exploring Operation: 72*5=360, Resulting Numbers: [360] 360,41 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: 41:[37, 84, 36], Operations: ['72/2=36'] Exploring Operation: 84-36=48, Resulting Numbers: [37, 48] Generated Node #0,1,0: 41:[37, 48] Operation: 84-36=48 Exploring Operation: 84-37=47, Resulting Numbers: [36, 47] Generated Node #0,1,1: 41:[36, 47] Operation: 84-37=47 Exploring Operation: 37+36=73, Resulting Numbers: [84, 73] Generated Node #0,1,2: 41:[84, 73] Operation: 37+36=73 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[37, 48], Operations: ['72/2=36', '84-36=48'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,41 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[36, 47], Operations: ['72/2=36', '84-37=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,41 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 36*47=1692, Resulting Numbers: [1692] 1692,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[84, 73], Operations: ['72/2=36', '37+36=73'] Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,41 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 41:[37, 2, 12], Operations: ['84-72=12'] Exploring Operation: 2+12=14, Resulting Numbers: [37, 14] Generated Node #0,2,0: 41:[37, 14] Operation: 2+12=14 Exploring Operation: 37+2=39, Resulting Numbers: [12, 39] Generated Node #0,2,1: 41:[12, 39] Operation: 37+2=39 Exploring Operation: 2*12=24, Resulting Numbers: [37, 24] Generated Node #0,2,2: 41:[37, 24] Operation: 2*12=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[37, 24], Operations: ['84-72=12', '2*12=24'] Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,41 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[37, 14], Operations: ['84-72=12', '2+12=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[12, 39], Operations: ['84-72=12', '37+2=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,41 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
[ 92, 73, 23, 94 ]
17
[ "92/23=4", "94-73=21", "21-4=17" ]
Current State: 17:[92, 73, 23, 94], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [73, 94, 4] Generated Node #2: [73, 94, 4] from Operation: 92/23=4 Current State: 17:[73, 94, 4], Operations: ['92/23=4'] Exploring Operation: 94-73=21, Resulting Numbers: [4, 21] Generated Node #3: [4, 21] from Operation: 94-73=21 Current State: 17:[4, 21], Operations: ['92/23=4', '94-73=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[92, 73, 23, 94], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [73, 23, 2] Generated Node #0,0: 17:[73, 23, 2] Operation: 94-92=2 Exploring Operation: 94-73=21, Resulting Numbers: [92, 23, 21] Generated Node #0,1: 17:[92, 23, 21] Operation: 94-73=21 Exploring Operation: 92-73=19, Resulting Numbers: [23, 94, 19] Generated Node #0,2: 17:[23, 94, 19] Operation: 92-73=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[73, 23, 2], Operations: ['94-92=2'] Exploring Operation: 73-2=71, Resulting Numbers: [23, 71] Generated Node #0,0,0: 17:[23, 71] Operation: 73-2=71 Exploring Operation: 23-2=21, Resulting Numbers: [73, 21] Generated Node #0,0,1: 17:[73, 21] Operation: 23-2=21 Exploring Operation: 73-23=50, Resulting Numbers: [2, 50] Generated Node #0,0,2: 17:[2, 50] Operation: 73-23=50 Moving to Node #0,0,2 Current State: 17:[2, 50], Operations: ['94-92=2', '73-23=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,17 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[23, 71], Operations: ['94-92=2', '73-2=71'] Exploring Operation: 23*71=1633, Resulting Numbers: [1633] 1633,17 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 23+71=94, Resulting Numbers: [94] 94,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[73, 21], Operations: ['94-92=2', '23-2=21'] Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 73+21=94, Resulting Numbers: [94] 94,17 unequal: No Solution Exploring Operation: 73*21=1533, Resulting Numbers: [1533] 1533,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[92, 23, 21], Operations: ['94-73=21'] Exploring Operation: 92/23=4, Resulting Numbers: [21, 4] Generated Node #0,1,0: 17:[21, 4] Operation: 92/23=4 Exploring Operation: 92-23=69, Resulting Numbers: [21, 69] Generated Node #0,1,1: 17:[21, 69] Operation: 92-23=69 Exploring Operation: 92-21=71, Resulting Numbers: [23, 71] Generated Node #0,1,2: 17:[23, 71] Operation: 92-21=71 Moving to Node #0,1,0 Current State: 17:[21, 4], Operations: ['94-73=21', '92/23=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[92, 73, 23, 94], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [92, 23, 21] Generated Node #0,1: 17:[92, 23, 21] Operation: 94-73=21 Moving to Node #0,1 Current State: 17:[92, 23, 21], Operations: ['94-73=21'] Exploring Operation: 92/23=4, Resulting Numbers: [21, 4] Generated Node #0,1,0: 17:[21, 4] Operation: 92/23=4 Moving to Node #0,1,0 Current State: 17:[21, 4], Operations: ['94-73=21', '92/23=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 17, 29, 69, 26 ]
49
[ "17+29=46", "69+26=95", "95-46=49" ]
Current State: 49:[17, 29, 69, 26], Operations: [] Exploring Operation: 17+29=46, Resulting Numbers: [69, 26, 46] Generated Node #2: [69, 26, 46] from Operation: 17+29=46 Current State: 49:[69, 26, 46], Operations: ['17+29=46'] Exploring Operation: 69+26=95, Resulting Numbers: [46, 95] Generated Node #3: [46, 95] from Operation: 69+26=95 Current State: 49:[46, 95], Operations: ['17+29=46', '69+26=95'] Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[17, 29, 69, 26], Operations: [] Exploring Operation: 69-29=40, Resulting Numbers: [17, 26, 40] Generated Node #0,0: 49:[17, 26, 40] Operation: 69-29=40 Exploring Operation: 69-26=43, Resulting Numbers: [17, 29, 43] Generated Node #0,1: 49:[17, 29, 43] Operation: 69-26=43 Exploring Operation: 29-26=3, Resulting Numbers: [17, 69, 3] Generated Node #0,2: 49:[17, 69, 3] Operation: 29-26=3 Exploring Operation: 17+29=46, Resulting Numbers: [69, 26, 46] Generated Node #0,3: 49:[69, 26, 46] Operation: 17+29=46 Exploring Operation: 29+26=55, Resulting Numbers: [17, 69, 55] Generated Node #0,4: 49:[17, 69, 55] Operation: 29+26=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[17, 69, 3], Operations: ['29-26=3'] Exploring Operation: 17*3=51, Resulting Numbers: [69, 51] Generated Node #0,2,0: 49:[69, 51] Operation: 17*3=51 Exploring Operation: 69-3=66, Resulting Numbers: [17, 66] Generated Node #0,2,1: 49:[17, 66] Operation: 69-3=66 Exploring Operation: 17-3=14, Resulting Numbers: [69, 14] Generated Node #0,2,2: 49:[69, 14] Operation: 17-3=14 Exploring Operation: 69/3=23, Resulting Numbers: [17, 23] Generated Node #0,2,3: 49:[17, 23] Operation: 69/3=23 Exploring Operation: 69-17=52, Resulting Numbers: [3, 52] Generated Node #0,2,4: 49:[3, 52] Operation: 69-17=52 Moving to Node #0,2,4 Current State: 49:[3, 52], Operations: ['29-26=3', '69-17=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,49 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[17, 29, 69, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [17, 69, 3] Generated Node #0,2: 49:[17, 69, 3] Operation: 29-26=3 Moving to Node #0,2 Current State: 49:[17, 69, 3], Operations: ['29-26=3'] Exploring Operation: 69-17=52, Resulting Numbers: [3, 52] Generated Node #0,2,4: 49:[3, 52] Operation: 69-17=52 Moving to Node #0,2,4 Current State: 49:[3, 52], Operations: ['29-26=3', '69-17=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 59, 33, 56, 4 ]
15
[ "59-56=3", "33/3=11", "4+11=15" ]
Current State: 15:[59, 33, 56, 4], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [33, 4, 3] Generated Node #2: [33, 4, 3] from Operation: 59-56=3 Current State: 15:[33, 4, 3], Operations: ['59-56=3'] Exploring Operation: 33/3=11, Resulting Numbers: [4, 11] Generated Node #3: [4, 11] from Operation: 33/3=11 Current State: 15:[4, 11], Operations: ['59-56=3', '33/3=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[59, 33, 56, 4], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [59, 4, 23] Generated Node #0,0: 15:[59, 4, 23] Operation: 56-33=23 Exploring Operation: 59-56=3, Resulting Numbers: [33, 4, 3] Generated Node #0,1: 15:[33, 4, 3] Operation: 59-56=3 Exploring Operation: 59-33=26, Resulting Numbers: [56, 4, 26] Generated Node #0,2: 15:[56, 4, 26] Operation: 59-33=26 Exploring Operation: 56/4=14, Resulting Numbers: [59, 33, 14] Generated Node #0,3: 15:[59, 33, 14] Operation: 56/4=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[33, 4, 3], Operations: ['59-56=3'] Exploring Operation: 4+3=7, Resulting Numbers: [33, 7] Generated Node #0,1,0: 15:[33, 7] Operation: 4+3=7 Exploring Operation: 33-3=30, Resulting Numbers: [4, 30] Generated Node #0,1,1: 15:[4, 30] Operation: 33-3=30 Exploring Operation: 33-4=29, Resulting Numbers: [3, 29] Generated Node #0,1,2: 15:[3, 29] Operation: 33-4=29 Exploring Operation: 33/3=11, Resulting Numbers: [4, 11] Generated Node #0,1,3: 15:[4, 11] Operation: 33/3=11 Moving to Node #0,1,3 Current State: 15:[4, 11], Operations: ['59-56=3', '33/3=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[59, 33, 56, 4], Operations: [] Exploring Operation: 59-56=3, Resulting Numbers: [33, 4, 3] Generated Node #0,1: 15:[33, 4, 3] Operation: 59-56=3 Moving to Node #0,1 Current State: 15:[33, 4, 3], Operations: ['59-56=3'] Exploring Operation: 33/3=11, Resulting Numbers: [4, 11] Generated Node #0,1,3: 15:[4, 11] Operation: 33/3=11 Moving to Node #0,1,3 Current State: 15:[4, 11], Operations: ['59-56=3', '33/3=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 53, 94, 86, 66 ]
47
[ "86-53=33", "94*33=3102", "3102/66=47" ]
Current State: 47:[53, 94, 86, 66], Operations: [] Exploring Operation: 86-53=33, Resulting Numbers: [94, 66, 33] Generated Node #2: [94, 66, 33] from Operation: 86-53=33 Current State: 47:[94, 66, 33], Operations: ['86-53=33'] Exploring Operation: 94*33=3102, Resulting Numbers: [66, 3102] Generated Node #3: [66, 3102] from Operation: 94*33=3102 Current State: 47:[66, 3102], Operations: ['86-53=33', '94*33=3102'] Exploring Operation: 3102/66=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[53, 94, 86, 66], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [86, 66, 41] Generated Node #0,0: 47:[86, 66, 41] Operation: 94-53=41 Exploring Operation: 94-86=8, Resulting Numbers: [53, 66, 8] Generated Node #0,1: 47:[53, 66, 8] Operation: 94-86=8 Exploring Operation: 94-66=28, Resulting Numbers: [53, 86, 28] Generated Node #0,2: 47:[53, 86, 28] Operation: 94-66=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[86, 66, 41], Operations: ['94-53=41'] Exploring Operation: 86-66=20, Resulting Numbers: [41, 20] Generated Node #0,0,0: 47:[41, 20] Operation: 86-66=20 Exploring Operation: 66-41=25, Resulting Numbers: [86, 25] Generated Node #0,0,1: 47:[86, 25] Operation: 66-41=25 Exploring Operation: 86-41=45, Resulting Numbers: [66, 45] Generated Node #0,0,2: 47:[66, 45] Operation: 86-41=45 Moving to Node #0,0,2 Current State: 47:[66, 45], Operations: ['94-53=41', '86-41=45'] Exploring Operation: 66*45=2970, Resulting Numbers: [2970] 2970,47 unequal: No Solution Exploring Operation: 66+45=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[41, 20], Operations: ['94-53=41', '86-66=20'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[86, 25], Operations: ['94-53=41', '66-41=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 86+25=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 86*25=2150, Resulting Numbers: [2150] 2150,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[53, 66, 8], Operations: ['94-86=8'] Exploring Operation: 53+8=61, Resulting Numbers: [66, 61] Generated Node #0,1,0: 47:[66, 61] Operation: 53+8=61 Exploring Operation: 53-8=45, Resulting Numbers: [66, 45] Generated Node #0,1,1: 47:[66, 45] Operation: 53-8=45 Exploring Operation: 66-8=58, Resulting Numbers: [53, 58] Generated Node #0,1,2: 47:[53, 58] Operation: 66-8=58 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[53, 58], Operations: ['94-86=8', '66-8=58'] Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,47 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,47 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:[66, 45], Operations: ['94-86=8', '53-8=45'] Exploring Operation: 66*45=2970, Resulting Numbers: [2970] 2970,47 unequal: No Solution Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 66+45=111, Resulting Numbers: [111] 111,47 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:[66, 61], Operations: ['94-86=8', '53+8=61'] Exploring Operation: 66+61=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 66-61=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 66*61=4026, Resulting Numbers: [4026] 4026,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[53, 86, 28], Operations: ['94-66=28'] Exploring Operation: 86-28=58, Resulting Numbers: [53, 58] Generated Node #0,2,0: 47:[53, 58] Operation: 86-28=58 Exploring Operation: 86-53=33, Resulting Numbers: [28, 33] Generated Node #0,2,1: 47:[28, 33] Operation: 86-53=33 Exploring Operation: 53-28=25, Resulting Numbers: [86, 25] Generated Node #0,2,2: 47:[86, 25] Operation: 53-28=25 Moving to Node #0,2,0 Current State: 47:[53, 58], Operations: ['94-66=28', '86-28=58'] Exploring Operation: 53*58=3074, Resulting Numbers: [3074] 3074,47 unequal: No Solution Exploring Operation: 53+58=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[28, 33], Operations: ['94-66=28', '86-53=33'] Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,47 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,47 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[86, 25], Operations: ['94-66=28', '53-28=25'] Exploring Operation: 86*25=2150, Resulting Numbers: [2150] 2150,47 unequal: No Solution Exploring Operation: 86+25=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,47 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
[ 24, 28, 18, 56 ]
78
[ "28-24=4", "18+56=74", "4+74=78" ]
Current State: 78:[24, 28, 18, 56], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [18, 56, 4] Generated Node #2: [18, 56, 4] from Operation: 28-24=4 Current State: 78:[18, 56, 4], Operations: ['28-24=4'] Exploring Operation: 18+56=74, Resulting Numbers: [4, 74] Generated Node #3: [4, 74] from Operation: 18+56=74 Current State: 78:[4, 74], Operations: ['28-24=4', '18+56=74'] Exploring Operation: 4+74=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 28, 18, 56], Operations: [] Exploring Operation: 56-18=38, Resulting Numbers: [24, 28, 38] Generated Node #0,0: 78:[24, 28, 38] Operation: 56-18=38 Exploring Operation: 56/28=2, Resulting Numbers: [24, 18, 2] Generated Node #0,1: 78:[24, 18, 2] Operation: 56/28=2 Moving to Node #0,0 Current State: 78:[24, 28, 38], Operations: ['56-18=38'] Exploring Operation: 28-24=4, Resulting Numbers: [38, 4] Generated Node #0,0,0: 78:[38, 4] Operation: 28-24=4 Exploring Operation: 38-24=14, Resulting Numbers: [28, 14] Generated Node #0,0,1: 78:[28, 14] Operation: 38-24=14 Moving to Node #0,1 Current State: 78:[24, 18, 2], Operations: ['56/28=2'] Exploring Operation: 24+18=42, Resulting Numbers: [2, 42] Generated Node #0,1,0: 78:[2, 42] Operation: 24+18=42 Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 78:[2, 6] Operation: 24-18=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[2, 6], Operations: ['56/28=2', '24-18=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[2, 42], Operations: ['56/28=2', '24+18=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,78 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: 78:[38, 4], Operations: ['56-18=38', '28-24=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[28, 14], Operations: ['56-18=38', '38-24=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,78 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 94, 20, 73, 26 ]
22
[ "73-26=47", "94/47=2", "20+2=22" ]
Current State: 22:[94, 20, 73, 26], Operations: [] Exploring Operation: 73-26=47, Resulting Numbers: [94, 20, 47] Generated Node #2: [94, 20, 47] from Operation: 73-26=47 Current State: 22:[94, 20, 47], Operations: ['73-26=47'] Exploring Operation: 94/47=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 94/47=2 Current State: 22:[20, 2], Operations: ['73-26=47', '94/47=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[94, 20, 73, 26], Operations: [] Exploring Operation: 94-26=68, Resulting Numbers: [20, 73, 68] Generated Node #0,0: 22:[20, 73, 68] Operation: 94-26=68 Exploring Operation: 94-73=21, Resulting Numbers: [20, 26, 21] Generated Node #0,1: 22:[20, 26, 21] Operation: 94-73=21 Moving to Node #0,1 Current State: 22:[20, 26, 21], Operations: ['94-73=21'] Exploring Operation: 26-20=6, Resulting Numbers: [21, 6] Generated Node #0,1,0: 22:[21, 6] Operation: 26-20=6 Exploring Operation: 21-20=1, Resulting Numbers: [26, 1] Generated Node #0,1,1: 22:[26, 1] Operation: 21-20=1 Moving to Node #0,0 Current State: 22:[20, 73, 68], Operations: ['94-26=68'] Exploring Operation: 73-68=5, Resulting Numbers: [20, 5] Generated Node #0,0,0: 22:[20, 5] Operation: 73-68=5 Exploring Operation: 73-20=53, Resulting Numbers: [68, 53] Generated Node #0,0,1: 22:[68, 53] Operation: 73-20=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[20, 5], Operations: ['94-26=68', '73-68=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,22 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,22 unequal: No Solution No 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: 22:[68, 53], Operations: ['94-26=68', '73-20=53'] Exploring Operation: 68+53=121, Resulting Numbers: [121] 121,22 unequal: No Solution Exploring Operation: 68-53=15, Resulting Numbers: [15] 15,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 22:[21, 6], Operations: ['94-73=21', '26-20=6'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[26, 1], Operations: ['94-73=21', '21-20=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,22 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 92, 59, 99, 48 ]
18
[ "92-59=33", "99-48=51", "51-33=18" ]
Current State: 18:[92, 59, 99, 48], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [99, 48, 33] Generated Node #2: [99, 48, 33] from Operation: 92-59=33 Current State: 18:[99, 48, 33], Operations: ['92-59=33'] Exploring Operation: 99-48=51, Resulting Numbers: [33, 51] Generated Node #3: [33, 51] from Operation: 99-48=51 Current State: 18:[33, 51], Operations: ['92-59=33', '99-48=51'] Exploring Operation: 51-33=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[92, 59, 99, 48], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [99, 48, 33] Generated Node #0,0: 18:[99, 48, 33] Operation: 92-59=33 Exploring Operation: 92-48=44, Resulting Numbers: [59, 99, 44] Generated Node #0,1: 18:[59, 99, 44] Operation: 92-48=44 Exploring Operation: 99-59=40, Resulting Numbers: [92, 48, 40] Generated Node #0,2: 18:[92, 48, 40] Operation: 99-59=40 Exploring Operation: 99-92=7, Resulting Numbers: [59, 48, 7] Generated Node #0,3: 18:[59, 48, 7] Operation: 99-92=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[59, 48, 7], Operations: ['99-92=7'] Exploring Operation: 59+7=66, Resulting Numbers: [48, 66] Generated Node #0,3,0: 18:[48, 66] Operation: 59+7=66 Exploring Operation: 59-7=52, Resulting Numbers: [48, 52] Generated Node #0,3,1: 18:[48, 52] Operation: 59-7=52 Exploring Operation: 59-48=11, Resulting Numbers: [7, 11] Generated Node #0,3,2: 18:[7, 11] Operation: 59-48=11 Exploring Operation: 48-7=41, Resulting Numbers: [59, 41] Generated Node #0,3,3: 18:[59, 41] Operation: 48-7=41 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[7, 11], Operations: ['99-92=7', '59-48=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,18 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[92, 59, 99, 48], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [59, 48, 7] Generated Node #0,3: 18:[59, 48, 7] Operation: 99-92=7 Moving to Node #0,3 Current State: 18:[59, 48, 7], Operations: ['99-92=7'] Exploring Operation: 59-48=11, Resulting Numbers: [7, 11] Generated Node #0,3,2: 18:[7, 11] Operation: 59-48=11 Moving to Node #0,3,2 Current State: 18:[7, 11], Operations: ['99-92=7', '59-48=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 70, 49, 51, 88 ]
58
[ "70-49=21", "88-51=37", "21+37=58" ]
Current State: 58:[70, 49, 51, 88], Operations: [] Exploring Operation: 70-49=21, Resulting Numbers: [51, 88, 21] Generated Node #2: [51, 88, 21] from Operation: 70-49=21 Current State: 58:[51, 88, 21], Operations: ['70-49=21'] Exploring Operation: 88-51=37, Resulting Numbers: [21, 37] Generated Node #3: [21, 37] from Operation: 88-51=37 Current State: 58:[21, 37], Operations: ['70-49=21', '88-51=37'] Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[70, 49, 51, 88], Operations: [] Exploring Operation: 88-70=18, Resulting Numbers: [49, 51, 18] Generated Node #0,0: 58:[49, 51, 18] Operation: 88-70=18 Exploring Operation: 51-49=2, Resulting Numbers: [70, 88, 2] Generated Node #0,1: 58:[70, 88, 2] Operation: 51-49=2 Exploring Operation: 88-51=37, Resulting Numbers: [70, 49, 37] Generated Node #0,2: 58:[70, 49, 37] Operation: 88-51=37 Exploring Operation: 88-49=39, Resulting Numbers: [70, 51, 39] Generated Node #0,3: 58:[70, 51, 39] Operation: 88-49=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[49, 51, 18], Operations: ['88-70=18'] Exploring Operation: 49+18=67, Resulting Numbers: [51, 67] Generated Node #0,0,0: 58:[51, 67] Operation: 49+18=67 Exploring Operation: 51-49=2, Resulting Numbers: [18, 2] Generated Node #0,0,1: 58:[18, 2] Operation: 51-49=2 Exploring Operation: 51-18=33, Resulting Numbers: [49, 33] Generated Node #0,0,2: 58:[49, 33] Operation: 51-18=33 Exploring Operation: 49-18=31, Resulting Numbers: [51, 31] Generated Node #0,0,3: 58:[51, 31] Operation: 49-18=31 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 58:[51, 31], Operations: ['88-70=18', '49-18=31'] Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,58 unequal: No Solution Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,58 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[18, 2], Operations: ['88-70=18', '51-49=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,58 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,58 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 58:[49, 33], Operations: ['88-70=18', '51-18=33'] Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,58 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[51, 67], Operations: ['88-70=18', '49+18=67'] Exploring Operation: 51+67=118, Resulting Numbers: [118] 118,58 unequal: No Solution Exploring Operation: 67-51=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 51*67=3417, Resulting Numbers: [3417] 3417,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[70, 49, 37], Operations: ['88-51=37'] Exploring Operation: 70-49=21, Resulting Numbers: [37, 21] Generated Node #0,2,0: 58:[37, 21] Operation: 70-49=21 Exploring Operation: 49-37=12, Resulting Numbers: [70, 12] Generated Node #0,2,1: 58:[70, 12] Operation: 49-37=12 Exploring Operation: 70-37=33, Resulting Numbers: [49, 33] Generated Node #0,2,2: 58:[49, 33] Operation: 70-37=33 Exploring Operation: 49+37=86, Resulting Numbers: [70, 86] Generated Node #0,2,3: 58:[70, 86] Operation: 49+37=86 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[49, 33], Operations: ['88-51=37', '70-37=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,58 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,58 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[37, 21], Operations: ['88-51=37', '70-49=21'] Exploring Operation: 37*21=777, Resulting Numbers: [777] 777,58 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[70, 49, 51, 88], Operations: [] Exploring Operation: 88-51=37, Resulting Numbers: [70, 49, 37] Generated Node #0,2: 58:[70, 49, 37] Operation: 88-51=37 Moving to Node #0,2 Current State: 58:[70, 49, 37], Operations: ['88-51=37'] Exploring Operation: 70-49=21, Resulting Numbers: [37, 21] Generated Node #0,2,0: 58:[37, 21] Operation: 70-49=21 Moving to Node #0,2,0 Current State: 58:[37, 21], Operations: ['88-51=37', '70-49=21'] Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 3, 2, 61, 75 ]
71
[ "61+75=136", "136/2=68", "3+68=71" ]
Current State: 71:[3, 2, 61, 75], Operations: [] Exploring Operation: 61+75=136, Resulting Numbers: [3, 2, 136] Generated Node #2: [3, 2, 136] from Operation: 61+75=136 Current State: 71:[3, 2, 136], Operations: ['61+75=136'] Exploring Operation: 136/2=68, Resulting Numbers: [3, 68] Generated Node #3: [3, 68] from Operation: 136/2=68 Current State: 71:[3, 68], Operations: ['61+75=136', '136/2=68'] Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[3, 2, 61, 75], Operations: [] Exploring Operation: 3+61=64, Resulting Numbers: [2, 75, 64] Generated Node #0,0: 71:[2, 75, 64] Operation: 3+61=64 Exploring Operation: 3*2=6, Resulting Numbers: [61, 75, 6] Generated Node #0,1: 71:[61, 75, 6] Operation: 3*2=6 Exploring Operation: 75-3=72, Resulting Numbers: [2, 61, 72] Generated Node #0,2: 71:[2, 61, 72] Operation: 75-3=72 Exploring Operation: 3+2=5, Resulting Numbers: [61, 75, 5] Generated Node #0,3: 71:[61, 75, 5] Operation: 3+2=5 Exploring Operation: 2+61=63, Resulting Numbers: [3, 75, 63] Generated Node #0,4: 71:[3, 75, 63] Operation: 2+61=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[61, 75, 6], Operations: ['3*2=6'] Exploring Operation: 61-6=55, Resulting Numbers: [75, 55] Generated Node #0,1,0: 71:[75, 55] Operation: 61-6=55 Exploring Operation: 75+6=81, Resulting Numbers: [61, 81] Generated Node #0,1,1: 71:[61, 81] Operation: 75+6=81 Exploring Operation: 61+6=67, Resulting Numbers: [75, 67] Generated Node #0,1,2: 71:[75, 67] Operation: 61+6=67 Exploring Operation: 75-6=69, Resulting Numbers: [61, 69] Generated Node #0,1,3: 71:[61, 69] Operation: 75-6=69 Exploring Operation: 75-61=14, Resulting Numbers: [6, 14] Generated Node #0,1,4: 71:[6, 14] Operation: 75-61=14 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[75, 67], Operations: ['3*2=6', '61+6=67'] Exploring Operation: 75-67=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 75+67=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 75*67=5025, Resulting Numbers: [5025] 5025,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[61, 69], Operations: ['3*2=6', '75-6=69'] Exploring Operation: 69-61=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 61*69=4209, Resulting Numbers: [4209] 4209,71 unequal: No Solution Exploring Operation: 61+69=130, Resulting Numbers: [130] 130,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[75, 55], Operations: ['3*2=6', '61-6=55'] Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,71 unequal: No Solution Exploring Operation: 75*55=4125, Resulting Numbers: [4125] 4125,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[61, 81], Operations: ['3*2=6', '75+6=81'] Exploring Operation: 61+81=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 61*81=4941, Resulting Numbers: [4941] 4941,71 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 71:[6, 14], Operations: ['3*2=6', '75-61=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,71 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,71 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[2, 75, 64], Operations: ['3+61=64'] Exploring Operation: 64-2=62, Resulting Numbers: [75, 62] Generated Node #0,0,0: 71:[75, 62] Operation: 64-2=62 Exploring Operation: 2+64=66, Resulting Numbers: [75, 66] Generated Node #0,0,1: 71:[75, 66] Operation: 2+64=66 Exploring Operation: 64/2=32, Resulting Numbers: [75, 32] Generated Node #0,0,2: 71:[75, 32] Operation: 64/2=32 Exploring Operation: 2+75=77, Resulting Numbers: [64, 77] Generated Node #0,0,3: 71:[64, 77] Operation: 2+75=77 Exploring Operation: 75-2=73, Resulting Numbers: [64, 73] Generated Node #0,0,4: 71:[64, 73] Operation: 75-2=73 Moving to Node #0,0,1 Current State: 71:[75, 66], Operations: ['3+61=64', '2+64=66'] Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 75*66=4950, Resulting Numbers: [4950] 4950,71 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[64, 73], Operations: ['3+61=64', '75-2=73'] Exploring Operation: 64+73=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 64*73=4672, Resulting Numbers: [4672] 4672,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[75, 62], Operations: ['3+61=64', '64-2=62'] Exploring Operation: 75-62=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 75+62=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 75*62=4650, Resulting Numbers: [4650] 4650,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[64, 77], Operations: ['3+61=64', '2+75=77'] Exploring Operation: 77-64=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 64*77=4928, Resulting Numbers: [4928] 4928,71 unequal: No Solution Exploring Operation: 64+77=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[75, 32], Operations: ['3+61=64', '64/2=32'] Exploring Operation: 75*32=2400, Resulting Numbers: [2400] 2400,71 unequal: No Solution Exploring Operation: 75+32=107, Resulting Numbers: [107] 107,71 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[2, 61, 72], Operations: ['75-3=72'] Exploring Operation: 61-2=59, Resulting Numbers: [72, 59] Generated Node #0,2,0: 71:[72, 59] Operation: 61-2=59 Exploring Operation: 72-2=70, Resulting Numbers: [61, 70] Generated Node #0,2,1: 71:[61, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [61, 36] Generated Node #0,2,2: 71:[61, 36] Operation: 72/2=36 Exploring Operation: 2+72=74, Resulting Numbers: [61, 74] Generated Node #0,2,3: 71:[61, 74] Operation: 2+72=74 Exploring Operation: 2+61=63, Resulting Numbers: [72, 63] Generated Node #0,2,4: 71:[72, 63] Operation: 2+61=63 Moving to Node #0,2,4 Current State: 71:[72, 63], Operations: ['75-3=72', '2+61=63'] Exploring Operation: 72+63=135, Resulting Numbers: [135] 135,71 unequal: No Solution Exploring Operation: 72*63=4536, Resulting Numbers: [4536] 4536,71 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[61, 70], Operations: ['75-3=72', '72-2=70'] Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[72, 59], Operations: ['75-3=72', '61-2=59'] Exploring Operation: 72+59=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 72*59=4248, Resulting Numbers: [4248] 4248,71 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[61, 74], Operations: ['75-3=72', '2+72=74'] Exploring Operation: 61+74=135, Resulting Numbers: [135] 135,71 unequal: No Solution Exploring Operation: 74-61=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 61*74=4514, Resulting Numbers: [4514] 4514,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[61, 36], Operations: ['75-3=72', '72/2=36'] Exploring Operation: 61*36=2196, Resulting Numbers: [2196] 2196,71 unequal: No Solution Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[61, 75, 5], Operations: ['3+2=5'] Exploring Operation: 75-5=70, Resulting Numbers: [61, 70] Generated Node #0,3,0: 71:[61, 70] Operation: 75-5=70 Exploring Operation: 75/5=15, Resulting Numbers: [61, 15] Generated Node #0,3,1: 71:[61, 15] Operation: 75/5=15 Exploring Operation: 61-5=56, Resulting Numbers: [75, 56] Generated Node #0,3,2: 71:[75, 56] Operation: 61-5=56 Exploring Operation: 61+5=66, Resulting Numbers: [75, 66] Generated Node #0,3,3: 71:[75, 66] Operation: 61+5=66 Exploring Operation: 75+5=80, Resulting Numbers: [61, 80] Generated Node #0,3,4: 71:[61, 80] Operation: 75+5=80 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 71:[75, 66], Operations: ['3+2=5', '61+5=66'] Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 75*66=4950, Resulting Numbers: [4950] 4950,71 unequal: No Solution Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 71:[61, 70], Operations: ['3+2=5', '75-5=70'] Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 71:[75, 56], Operations: ['3+2=5', '61-5=56'] Exploring Operation: 75+56=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 75-56=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 75*56=4200, Resulting Numbers: [4200] 4200,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 71:[61, 80], Operations: ['3+2=5', '75+5=80'] Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 61*80=4880, Resulting Numbers: [4880] 4880,71 unequal: No Solution Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 71:[61, 15], Operations: ['3+2=5', '75/5=15'] Exploring Operation: 61*15=915, Resulting Numbers: [915] 915,71 unequal: No Solution Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,71 unequal: No Solution Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[3, 75, 63], Operations: ['2+61=63'] Exploring Operation: 3+63=66, Resulting Numbers: [75, 66] Generated Node #0,4,0: 71:[75, 66] Operation: 3+63=66 Exploring Operation: 75/3=25, Resulting Numbers: [63, 25] Generated Node #0,4,1: 71:[63, 25] Operation: 75/3=25 Exploring Operation: 75-3=72, Resulting Numbers: [63, 72] Generated Node #0,4,2: 71:[63, 72] Operation: 75-3=72 Exploring Operation: 3+75=78, Resulting Numbers: [63, 78] Generated Node #0,4,3: 71:[63, 78] Operation: 3+75=78 Exploring Operation: 63-3=60, Resulting Numbers: [75, 60] Generated Node #0,4,4: 71:[75, 60] Operation: 63-3=60 Moving to Node #0,4,0 Current State: 71:[75, 66], Operations: ['2+61=63', '3+63=66'] Exploring Operation: 75*66=4950, Resulting Numbers: [4950] 4950,71 unequal: No Solution Exploring Operation: 75+66=141, Resulting Numbers: [141] 141,71 unequal: No Solution Exploring Operation: 75-66=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[63, 72], Operations: ['2+61=63', '75-3=72'] Exploring Operation: 63+72=135, Resulting Numbers: [135] 135,71 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 63*72=4536, Resulting Numbers: [4536] 4536,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[63, 78], Operations: ['2+61=63', '3+75=78'] Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 63*78=4914, Resulting Numbers: [4914] 4914,71 unequal: No Solution Exploring Operation: 63+78=141, Resulting Numbers: [141] 141,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[75, 60], Operations: ['2+61=63', '63-3=60'] Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,71 unequal: No Solution Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,71 unequal: No Solution Exploring Operation: 75*60=4500, Resulting Numbers: [4500] 4500,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[63, 25], Operations: ['2+61=63', '75/3=25'] Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,71 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,71 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,71 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
[ 29, 62, 77, 83 ]
85
[ "29+62=91", "83-77=6", "91-6=85" ]
Current State: 85:[29, 62, 77, 83], Operations: [] Exploring Operation: 29+62=91, Resulting Numbers: [77, 83, 91] Generated Node #2: [77, 83, 91] from Operation: 29+62=91 Current State: 85:[77, 83, 91], Operations: ['29+62=91'] Exploring Operation: 83-77=6, Resulting Numbers: [91, 6] Generated Node #3: [91, 6] from Operation: 83-77=6 Current State: 85:[91, 6], Operations: ['29+62=91', '83-77=6'] Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[29, 62, 77, 83], Operations: [] Exploring Operation: 29+62=91, Resulting Numbers: [77, 83, 91] Generated Node #0,0: 85:[77, 83, 91] Operation: 29+62=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[77, 83, 91], Operations: ['29+62=91'] Exploring Operation: 91-77=14, Resulting Numbers: [83, 14] Generated Node #0,0,0: 85:[83, 14] Operation: 91-77=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[83, 14], Operations: ['29+62=91', '91-77=14'] Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,85 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 No solution found.
0
hs_1
sum_heuristic
[ 38, 46, 57, 90 ]
66
[ "90-46=44", "57*44=2508", "2508/38=66" ]
Current State: 66:[38, 46, 57, 90], Operations: [] Exploring Operation: 90-46=44, Resulting Numbers: [38, 57, 44] Generated Node #2: [38, 57, 44] from Operation: 90-46=44 Current State: 66:[38, 57, 44], Operations: ['90-46=44'] Exploring Operation: 57*44=2508, Resulting Numbers: [38, 2508] Generated Node #3: [38, 2508] from Operation: 57*44=2508 Current State: 66:[38, 2508], Operations: ['90-46=44', '57*44=2508'] Exploring Operation: 2508/38=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[38, 46, 57, 90], Operations: [] Exploring Operation: 90-46=44, Resulting Numbers: [38, 57, 44] Generated Node #0,0: 66:[38, 57, 44] Operation: 90-46=44 Exploring Operation: 90-57=33, Resulting Numbers: [38, 46, 33] Generated Node #0,1: 66:[38, 46, 33] Operation: 90-57=33 Moving to Node #0,1 Current State: 66:[38, 46, 33], Operations: ['90-57=33'] Exploring Operation: 46-33=13, Resulting Numbers: [38, 13] Generated Node #0,1,0: 66:[38, 13] Operation: 46-33=13 Exploring Operation: 46-38=8, Resulting Numbers: [33, 8] Generated Node #0,1,1: 66:[33, 8] Operation: 46-38=8 Moving to Node #0,0 Current State: 66:[38, 57, 44], Operations: ['90-46=44'] Exploring Operation: 44-38=6, Resulting Numbers: [57, 6] Generated Node #0,0,0: 66:[57, 6] Operation: 44-38=6 Exploring Operation: 57-44=13, Resulting Numbers: [38, 13] Generated Node #0,0,1: 66:[38, 13] Operation: 57-44=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[38, 13], Operations: ['90-46=44', '57-44=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[57, 6], Operations: ['90-46=44', '44-38=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 66:[33, 8], Operations: ['90-57=33', '46-38=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[38, 13], Operations: ['90-57=33', '46-33=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,66 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 65, 46, 4 ]
93
[ "78+65=143", "46+4=50", "143-50=93" ]
Current State: 93:[78, 65, 46, 4], Operations: [] Exploring Operation: 78+65=143, Resulting Numbers: [46, 4, 143] Generated Node #2: [46, 4, 143] from Operation: 78+65=143 Current State: 93:[46, 4, 143], Operations: ['78+65=143'] Exploring Operation: 46+4=50, Resulting Numbers: [143, 50] Generated Node #3: [143, 50] from Operation: 46+4=50 Current State: 93:[143, 50], Operations: ['78+65=143', '46+4=50'] Exploring Operation: 143-50=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[78, 65, 46, 4], Operations: [] Exploring Operation: 78-65=13, Resulting Numbers: [46, 4, 13] Generated Node #0,0: 93:[46, 4, 13] Operation: 78-65=13 Exploring Operation: 65-46=19, Resulting Numbers: [78, 4, 19] Generated Node #0,1: 93:[78, 4, 19] Operation: 65-46=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[46, 4, 13], Operations: ['78-65=13'] Exploring Operation: 46-13=33, Resulting Numbers: [4, 33] Generated Node #0,0,0: 93:[4, 33] Operation: 46-13=33 Exploring Operation: 46-4=42, Resulting Numbers: [13, 42] Generated Node #0,0,1: 93:[13, 42] Operation: 46-4=42 Moving to Node #0,0,0 Current State: 93:[4, 33], Operations: ['78-65=13', '46-13=33'] Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[13, 42], Operations: ['78-65=13', '46-4=42'] Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[78, 4, 19], Operations: ['65-46=19'] Exploring Operation: 78+19=97, Resulting Numbers: [4, 97] Generated Node #0,1,0: 93:[4, 97] Operation: 78+19=97 Exploring Operation: 78+4=82, Resulting Numbers: [19, 82] Generated Node #0,1,1: 93:[19, 82] Operation: 78+4=82 Moving to Node #0,1,0 Current State: 93:[4, 97], Operations: ['65-46=19', '78+19=97'] Exploring Operation: 4+97=101, Resulting Numbers: [101] 101,93 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[78, 65, 46, 4], Operations: [] Exploring Operation: 65-46=19, Resulting Numbers: [78, 4, 19] Generated Node #0,1: 93:[78, 4, 19] Operation: 65-46=19 Moving to Node #0,1 Current State: 93:[78, 4, 19], Operations: ['65-46=19'] Exploring Operation: 78+19=97, Resulting Numbers: [4, 97] Generated Node #0,1,0: 93:[4, 97] Operation: 78+19=97 Moving to Node #0,1,0 Current State: 93:[4, 97], Operations: ['65-46=19', '78+19=97'] Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 29, 66, 30, 21 ]
69
[ "66*30=1980", "21+1980=2001", "2001/29=69" ]
Current State: 69:[29, 66, 30, 21], Operations: [] Exploring Operation: 66*30=1980, Resulting Numbers: [29, 21, 1980] Generated Node #2: [29, 21, 1980] from Operation: 66*30=1980 Current State: 69:[29, 21, 1980], Operations: ['66*30=1980'] Exploring Operation: 21+1980=2001, Resulting Numbers: [29, 2001] Generated Node #3: [29, 2001] from Operation: 21+1980=2001 Current State: 69:[29, 2001], Operations: ['66*30=1980', '21+1980=2001'] Exploring Operation: 2001/29=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[29, 66, 30, 21], Operations: [] Exploring Operation: 29-21=8, Resulting Numbers: [66, 30, 8] Generated Node #0,0: 69:[66, 30, 8] Operation: 29-21=8 Exploring Operation: 66-30=36, Resulting Numbers: [29, 21, 36] Generated Node #0,1: 69:[29, 21, 36] Operation: 66-30=36 Exploring Operation: 30-21=9, Resulting Numbers: [29, 66, 9] Generated Node #0,2: 69:[29, 66, 9] Operation: 30-21=9 Exploring Operation: 30-29=1, Resulting Numbers: [66, 21, 1] Generated Node #0,3: 69:[66, 21, 1] Operation: 30-29=1 Exploring Operation: 29+30=59, Resulting Numbers: [66, 21, 59] Generated Node #0,4: 69:[66, 21, 59] Operation: 29+30=59 Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[66, 21, 1], Operations: ['30-29=1'] Exploring Operation: 66*1=66, Resulting Numbers: [21, 66] Generated Node #0,3,0: 69:[21, 66] Operation: 66*1=66 Exploring Operation: 21*1=21, Resulting Numbers: [66, 21] Generated Node #0,3,1: 69:[66, 21] Operation: 21*1=21 Exploring Operation: 66/1=66, Resulting Numbers: [21, 66] Generated Node #0,3,2: 69:[21, 66] Operation: 66/1=66 Exploring Operation: 66+1=67, Resulting Numbers: [21, 67] Generated Node #0,3,3: 69:[21, 67] Operation: 66+1=67 Exploring Operation: 21+1=22, Resulting Numbers: [66, 22] Generated Node #0,3,4: 69:[66, 22] Operation: 21+1=22 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[21, 67], Operations: ['30-29=1', '66+1=67'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 21*67=1407, Resulting Numbers: [1407] 1407,69 unequal: No Solution Exploring Operation: 21+67=88, Resulting Numbers: [88] 88,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 69:[66, 22], Operations: ['30-29=1', '21+1=22'] Exploring Operation: 66*22=1452, Resulting Numbers: [1452] 1452,69 unequal: No Solution Exploring Operation: 66+22=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[21, 66], Operations: ['30-29=1', '66*1=66'] Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,69 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[66, 21], Operations: ['30-29=1', '21*1=21'] Exploring Operation: 66+21=87, Resulting Numbers: [87] 87,69 unequal: No Solution Exploring Operation: 66*21=1386, Resulting Numbers: [1386] 1386,69 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 69:[21, 66], Operations: ['30-29=1', '66/1=66'] Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,69 unequal: No Solution Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[66, 30, 8], Operations: ['29-21=8'] Exploring Operation: 66-8=58, Resulting Numbers: [30, 58] Generated Node #0,0,0: 69:[30, 58] Operation: 66-8=58 Exploring Operation: 30-8=22, Resulting Numbers: [66, 22] Generated Node #0,0,1: 69:[66, 22] Operation: 30-8=22 Exploring Operation: 30+8=38, Resulting Numbers: [66, 38] Generated Node #0,0,2: 69:[66, 38] Operation: 30+8=38 Exploring Operation: 66+8=74, Resulting Numbers: [30, 74] Generated Node #0,0,3: 69:[30, 74] Operation: 66+8=74 Exploring Operation: 66-30=36, Resulting Numbers: [8, 36] Generated Node #0,0,4: 69:[8, 36] Operation: 66-30=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[66, 22], Operations: ['29-21=8', '30-8=22'] Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 66+22=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 66*22=1452, Resulting Numbers: [1452] 1452,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 69:[30, 74], Operations: ['29-21=8', '66+8=74'] Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,69 unequal: No Solution Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[30, 58], Operations: ['29-21=8', '66-8=58'] Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,69 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,69 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[66, 38], Operations: ['29-21=8', '30+8=38'] Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,69 unequal: No Solution Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 69:[8, 36], Operations: ['29-21=8', '66-30=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,69 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[29, 66, 9], Operations: ['30-21=9'] Exploring Operation: 29-9=20, Resulting Numbers: [66, 20] Generated Node #0,2,0: 69:[66, 20] Operation: 29-9=20 Exploring Operation: 66+9=75, Resulting Numbers: [29, 75] Generated Node #0,2,1: 69:[29, 75] Operation: 66+9=75 Exploring Operation: 66-9=57, Resulting Numbers: [29, 57] Generated Node #0,2,2: 69:[29, 57] Operation: 66-9=57 Exploring Operation: 66-29=37, Resulting Numbers: [9, 37] Generated Node #0,2,3: 69:[9, 37] Operation: 66-29=37 Exploring Operation: 29+9=38, Resulting Numbers: [66, 38] Generated Node #0,2,4: 69:[66, 38] Operation: 29+9=38 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[66, 20], Operations: ['30-21=9', '29-9=20'] Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,69 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,69 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[29, 75], Operations: ['30-21=9', '66+9=75'] Exploring Operation: 29+75=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 29*75=2175, Resulting Numbers: [2175] 2175,69 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[29, 57], Operations: ['30-21=9', '66-9=57'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,69 unequal: No Solution Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 69:[66, 38], Operations: ['30-21=9', '29+9=38'] Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 69:[9, 37], Operations: ['30-21=9', '66-29=37'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,69 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 69:[66, 21, 59], Operations: ['29+30=59'] Exploring Operation: 59-21=38, Resulting Numbers: [66, 38] Generated Node #0,4,0: 69:[66, 38] Operation: 59-21=38 Exploring Operation: 66-21=45, Resulting Numbers: [59, 45] Generated Node #0,4,1: 69:[59, 45] Operation: 66-21=45 Exploring Operation: 21+59=80, Resulting Numbers: [66, 80] Generated Node #0,4,2: 69:[66, 80] Operation: 21+59=80 Exploring Operation: 66-59=7, Resulting Numbers: [21, 7] Generated Node #0,4,3: 69:[21, 7] Operation: 66-59=7 Exploring Operation: 66+21=87, Resulting Numbers: [59, 87] Generated Node #0,4,4: 69:[59, 87] Operation: 66+21=87 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 69:[21, 7], Operations: ['29+30=59', '66-59=7'] Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,69 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,69 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 69:[66, 80], Operations: ['29+30=59', '21+59=80'] Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,69 unequal: No Solution Exploring Operation: 66*80=5280, Resulting Numbers: [5280] 5280,69 unequal: No Solution Exploring Operation: 66+80=146, Resulting Numbers: [146] 146,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 69:[66, 38], Operations: ['29+30=59', '59-21=38'] Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,69 unequal: No Solution Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 69:[59, 87], Operations: ['29+30=59', '66+21=87'] Exploring Operation: 59*87=5133, Resulting Numbers: [5133] 5133,69 unequal: No Solution Exploring Operation: 59+87=146, Resulting Numbers: [146] 146,69 unequal: No Solution Exploring Operation: 87-59=28, Resulting Numbers: [28] 28,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 69:[59, 45], Operations: ['29+30=59', '66-21=45'] Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,69 unequal: No Solution Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,69 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[29, 21, 36], Operations: ['66-30=36'] Exploring Operation: 29+36=65, Resulting Numbers: [21, 65] Generated Node #0,1,0: 69:[21, 65] Operation: 29+36=65 Exploring Operation: 36-21=15, Resulting Numbers: [29, 15] Generated Node #0,1,1: 69:[29, 15] Operation: 36-21=15 Exploring Operation: 36-29=7, Resulting Numbers: [21, 7] Generated Node #0,1,2: 69:[21, 7] Operation: 36-29=7 Exploring Operation: 21+36=57, Resulting Numbers: [29, 57] Generated Node #0,1,3: 69:[29, 57] Operation: 21+36=57 Exploring Operation: 29-21=8, Resulting Numbers: [36, 8] Generated Node #0,1,4: 69:[36, 8] Operation: 29-21=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[21, 65], Operations: ['66-30=36', '29+36=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,69 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[21, 7], Operations: ['66-30=36', '36-29=7'] Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,69 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,69 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[29, 15], Operations: ['66-30=36', '36-21=15'] Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,69 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 69:[29, 57], Operations: ['66-30=36', '21+36=57'] Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,69 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,69 unequal: No Solution Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 69:[36, 8], Operations: ['66-30=36', '29-21=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,69 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 50, 13, 52, 4 ]
42
[ "50-4=46", "52/13=4", "46-4=42" ]
Current State: 42:[50, 13, 52, 4], Operations: [] Exploring Operation: 50-4=46, Resulting Numbers: [13, 52, 46] Generated Node #2: [13, 52, 46] from Operation: 50-4=46 Current State: 42:[13, 52, 46], Operations: ['50-4=46'] Exploring Operation: 52/13=4, Resulting Numbers: [46, 4] Generated Node #3: [46, 4] from Operation: 52/13=4 Current State: 42:[46, 4], Operations: ['50-4=46', '52/13=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[50, 13, 52, 4], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [50, 4, 4] Generated Node #0,0: 42:[50, 4, 4] Operation: 52/13=4 Exploring Operation: 52-50=2, Resulting Numbers: [13, 4, 2] Generated Node #0,1: 42:[13, 4, 2] Operation: 52-50=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[13, 4, 2], Operations: ['52-50=2'] Exploring Operation: 4+2=6, Resulting Numbers: [13, 6] Generated Node #0,1,0: 42:[13, 6] Operation: 4+2=6 Exploring Operation: 4-2=2, Resulting Numbers: [13, 2] Generated Node #0,1,1: 42:[13, 2] Operation: 4-2=2 Moving to Node #0,1,0 Current State: 42:[13, 6], Operations: ['52-50=2', '4+2=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[13, 2], Operations: ['52-50=2', '4-2=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[50, 4, 4], Operations: ['52/13=4'] Exploring Operation: 50-4=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 42:[4, 46] Operation: 50-4=46 Exploring Operation: 50-4=46, Resulting Numbers: [4, 46] Generated Node #0,0,1: 42:[4, 46] Operation: 50-4=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[4, 46], Operations: ['52/13=4', '50-4=46'] Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,42 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[50, 13, 52, 4], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [50, 4, 4] Generated Node #0,0: 42:[50, 4, 4] Operation: 52/13=4 Moving to Node #0,0 Current State: 42:[50, 4, 4], Operations: ['52/13=4'] Exploring Operation: 50-4=46, Resulting Numbers: [4, 46] Generated Node #0,0,0: 42:[4, 46] Operation: 50-4=46 Moving to Node #0,0,0 Current State: 42:[4, 46], Operations: ['52/13=4', '50-4=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 44, 51, 22, 96 ]
23
[ "44+51=95", "22+96=118", "118-95=23" ]
Current State: 23:[44, 51, 22, 96], Operations: [] Exploring Operation: 44+51=95, Resulting Numbers: [22, 96, 95] Generated Node #2: [22, 96, 95] from Operation: 44+51=95 Current State: 23:[22, 96, 95], Operations: ['44+51=95'] Exploring Operation: 22+96=118, Resulting Numbers: [95, 118] Generated Node #3: [95, 118] from Operation: 22+96=118 Current State: 23:[95, 118], Operations: ['44+51=95', '22+96=118'] Exploring Operation: 118-95=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[44, 51, 22, 96], Operations: [] Exploring Operation: 96-44=52, Resulting Numbers: [51, 22, 52] Generated Node #0,0: 23:[51, 22, 52] Operation: 96-44=52 Exploring Operation: 96-51=45, Resulting Numbers: [44, 22, 45] Generated Node #0,1: 23:[44, 22, 45] Operation: 96-51=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[44, 22, 45], Operations: ['96-51=45'] Exploring Operation: 44-22=22, Resulting Numbers: [45, 22] Generated Node #0,1,0: 23:[45, 22] Operation: 44-22=22 Exploring Operation: 45-22=23, Resulting Numbers: [44, 23] Generated Node #0,1,1: 23:[44, 23] Operation: 45-22=23 Moving to Node #0,1,1 Current State: 23:[44, 23], Operations: ['96-51=45', '45-22=23'] Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[45, 22], Operations: ['96-51=45', '44-22=22'] Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,23 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[44, 51, 22, 96], Operations: [] Exploring Operation: 96-51=45, Resulting Numbers: [44, 22, 45] Generated Node #0,1: 23:[44, 22, 45] Operation: 96-51=45 Moving to Node #0,1 Current State: 23:[44, 22, 45], Operations: ['96-51=45'] Exploring Operation: 44-22=22, Resulting Numbers: [45, 22] Generated Node #0,1,0: 23:[45, 22] Operation: 44-22=22 Moving to Node #0,1,0 Current State: 23:[45, 22], Operations: ['96-51=45', '44-22=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 73, 71, 18, 6 ]
27
[ "73+71=144", "18+144=162", "162/6=27" ]
Current State: 27:[73, 71, 18, 6], Operations: [] Exploring Operation: 73+71=144, Resulting Numbers: [18, 6, 144] Generated Node #2: [18, 6, 144] from Operation: 73+71=144 Current State: 27:[18, 6, 144], Operations: ['73+71=144'] Exploring Operation: 18+144=162, Resulting Numbers: [6, 162] Generated Node #3: [6, 162] from Operation: 18+144=162 Current State: 27:[6, 162], Operations: ['73+71=144', '18+144=162'] Exploring Operation: 162/6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[73, 71, 18, 6], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [18, 6, 2] Generated Node #0,0: 27:[18, 6, 2] Operation: 73-71=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[18, 6, 2], Operations: ['73-71=2'] Exploring Operation: 18/6=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 27:[2, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 27:[2, 3], Operations: ['73-71=2', '18/6=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,27 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
[ 23, 27, 29, 56 ]
31
[ "27-23=4", "56-29=27", "4+27=31" ]
Current State: 31:[23, 27, 29, 56], Operations: [] Exploring Operation: 27-23=4, Resulting Numbers: [29, 56, 4] Generated Node #2: [29, 56, 4] from Operation: 27-23=4 Current State: 31:[29, 56, 4], Operations: ['27-23=4'] Exploring Operation: 56-29=27, Resulting Numbers: [4, 27] Generated Node #3: [4, 27] from Operation: 56-29=27 Current State: 31:[4, 27], Operations: ['27-23=4', '56-29=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[23, 27, 29, 56], Operations: [] Exploring Operation: 56-29=27, Resulting Numbers: [23, 27, 27] Generated Node #0,0: 31:[23, 27, 27] Operation: 56-29=27 Exploring Operation: 56-27=29, Resulting Numbers: [23, 29, 29] Generated Node #0,1: 31:[23, 29, 29] Operation: 56-27=29 Exploring Operation: 23+29=52, Resulting Numbers: [27, 56, 52] Generated Node #0,2: 31:[27, 56, 52] Operation: 23+29=52 Exploring Operation: 56-23=33, Resulting Numbers: [27, 29, 33] Generated Node #0,3: 31:[27, 29, 33] Operation: 56-23=33 Exploring Operation: 23+27=50, Resulting Numbers: [29, 56, 50] Generated Node #0,4: 31:[29, 56, 50] Operation: 23+27=50 Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[27, 29, 33], Operations: ['56-23=33'] Exploring Operation: 29-27=2, Resulting Numbers: [33, 2] Generated Node #0,3,0: 31:[33, 2] Operation: 29-27=2 Exploring Operation: 27+29=56, Resulting Numbers: [33, 56] Generated Node #0,3,1: 31:[33, 56] Operation: 27+29=56 Exploring Operation: 33-27=6, Resulting Numbers: [29, 6] Generated Node #0,3,2: 31:[29, 6] Operation: 33-27=6 Exploring Operation: 27+33=60, Resulting Numbers: [29, 60] Generated Node #0,3,3: 31:[29, 60] Operation: 27+33=60 Exploring Operation: 33-29=4, Resulting Numbers: [27, 4] Generated Node #0,3,4: 31:[27, 4] Operation: 33-29=4 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 31:[33, 56], Operations: ['56-23=33', '27+29=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,31 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,31 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 31:[29, 6], Operations: ['56-23=33', '33-27=6'] Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,31 unequal: No Solution Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,31 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 31:[33, 2], Operations: ['56-23=33', '29-27=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,31 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[23, 27, 29, 56], Operations: [] Exploring Operation: 56-23=33, Resulting Numbers: [27, 29, 33] Generated Node #0,3: 31:[27, 29, 33] Operation: 56-23=33 Moving to Node #0,3 Current State: 31:[27, 29, 33], Operations: ['56-23=33'] Exploring Operation: 29-27=2, Resulting Numbers: [33, 2] Generated Node #0,3,0: 31:[33, 2] Operation: 29-27=2 Moving to Node #0,3,0 Current State: 31:[33, 2], Operations: ['56-23=33', '29-27=2'] Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 72, 77, 62, 5 ]
72
[ "77-72=5", "62+5=67", "5+67=72" ]
Current State: 72:[72, 77, 62, 5], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [62, 5, 5] Generated Node #2: [62, 5, 5] from Operation: 77-72=5 Current State: 72:[62, 5, 5], Operations: ['77-72=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,72 equal: Goal Reached Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[72, 77, 62, 5], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [72, 5, 15] Generated Node #0,0: 72:[72, 5, 15] Operation: 77-62=15 Exploring Operation: 72-62=10, Resulting Numbers: [77, 5, 10] Generated Node #0,1: 72:[77, 5, 10] Operation: 72-62=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[72, 5, 15], Operations: ['77-62=15'] Exploring Operation: 15-5=10, Resulting Numbers: [72, 10] Generated Node #0,0,0: 72:[72, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [72, 3] Generated Node #0,0,1: 72:[72, 3] Operation: 15/5=3 Moving to Node #0,0,1 Current State: 72:[72, 3], Operations: ['77-62=15', '15/5=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[72, 10], Operations: ['77-62=15', '15-5=10'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 72+10=82, Resulting Numbers: [82] 82,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[77, 5, 10], Operations: ['72-62=10'] Exploring Operation: 10/5=2, Resulting Numbers: [77, 2] Generated Node #0,1,0: 72:[77, 2] Operation: 10/5=2 Exploring Operation: 77-5=72, Resulting Numbers: [10, 72] Generated Node #0,1,1: 72:[10, 72] Operation: 77-5=72 Moving to Node #0,1,1 Current State: 72:[10, 72], Operations: ['72-62=10', '77-5=72'] Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[77, 2], Operations: ['72-62=10', '10/5=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,72 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,72 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
[ 93, 99, 81, 38 ]
45
[ "93-38=55", "81*55=4455", "4455/99=45" ]
Current State: 45:[93, 99, 81, 38], Operations: [] Exploring Operation: 93-38=55, Resulting Numbers: [99, 81, 55] Generated Node #2: [99, 81, 55] from Operation: 93-38=55 Current State: 45:[99, 81, 55], Operations: ['93-38=55'] Exploring Operation: 81*55=4455, Resulting Numbers: [99, 4455] Generated Node #3: [99, 4455] from Operation: 81*55=4455 Current State: 45:[99, 4455], Operations: ['93-38=55', '81*55=4455'] Exploring Operation: 4455/99=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[93, 99, 81, 38], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [81, 38, 6] Generated Node #0,0: 45:[81, 38, 6] Operation: 99-93=6 Moving to Node #0,0 Current State: 45:[81, 38, 6], Operations: ['99-93=6'] Exploring Operation: 81-38=43, Resulting Numbers: [6, 43] Generated Node #0,0,0: 45:[6, 43] Operation: 81-38=43 Moving to Node #0,0,0 Current State: 45:[6, 43], Operations: ['99-93=6', '81-38=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,45 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 96, 13, 4, 9 ]
78
[ "96-13=83", "9-4=5", "83-5=78" ]
Current State: 78:[96, 13, 4, 9], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [4, 9, 83] Generated Node #2: [4, 9, 83] from Operation: 96-13=83 Current State: 78:[4, 9, 83], Operations: ['96-13=83'] Exploring Operation: 9-4=5, Resulting Numbers: [83, 5] Generated Node #3: [83, 5] from Operation: 9-4=5 Current State: 78:[83, 5], Operations: ['96-13=83', '9-4=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[96, 13, 4, 9], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [4, 9, 83] Generated Node #0,0: 78:[4, 9, 83] Operation: 96-13=83 Exploring Operation: 96/4=24, Resulting Numbers: [13, 9, 24] Generated Node #0,1: 78:[13, 9, 24] Operation: 96/4=24 Moving to Node #0,1 Current State: 78:[13, 9, 24], Operations: ['96/4=24'] Exploring Operation: 13-9=4, Resulting Numbers: [24, 4] Generated Node #0,1,0: 78:[24, 4] Operation: 13-9=4 Exploring Operation: 24-9=15, Resulting Numbers: [13, 15] Generated Node #0,1,1: 78:[13, 15] Operation: 24-9=15 Moving to Node #0,0 Current State: 78:[4, 9, 83], Operations: ['96-13=83'] Exploring Operation: 4+9=13, Resulting Numbers: [83, 13] Generated Node #0,0,0: 78:[83, 13] Operation: 4+9=13 Exploring Operation: 83-4=79, Resulting Numbers: [9, 79] Generated Node #0,0,1: 78:[9, 79] Operation: 83-4=79 Moving to Node #0,1,1 Current State: 78:[13, 15], Operations: ['96/4=24', '24-9=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[24, 4], Operations: ['96/4=24', '13-9=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,78 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[9, 79], Operations: ['96-13=83', '83-4=79'] Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,78 unequal: No Solution Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[83, 13], Operations: ['96-13=83', '4+9=13'] Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,78 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,78 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 26, 27, 59, 5 ]
54
[ "27-26=1", "59-5=54", "1*54=54" ]
Current State: 54:[26, 27, 59, 5], Operations: [] Exploring Operation: 27-26=1, Resulting Numbers: [59, 5, 1] Generated Node #2: [59, 5, 1] from Operation: 27-26=1 Current State: 54:[59, 5, 1], Operations: ['27-26=1'] Exploring Operation: 59-5=54, Resulting Numbers: [1, 54] Generated Node #3: [1, 54] from Operation: 59-5=54 Current State: 54:[1, 54], Operations: ['27-26=1', '59-5=54'] Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[26, 27, 59, 5], Operations: [] Exploring Operation: 59-5=54, Resulting Numbers: [26, 27, 54] Generated Node #0,0: 54:[26, 27, 54] Operation: 59-5=54 Moving to Node #0,0 Current State: 54:[26, 27, 54], Operations: ['59-5=54'] Exploring Operation: 26+27=53, Resulting Numbers: [54, 53] Generated Node #0,0,0: 54:[54, 53] Operation: 26+27=53 Moving to Node #0,0,0 Current State: 54:[54, 53], Operations: ['59-5=54', '26+27=53'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 48, 72, 23, 46 ]
22
[ "72-48=24", "46/23=2", "24-2=22" ]
Current State: 22:[48, 72, 23, 46], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [23, 46, 24] Generated Node #2: [23, 46, 24] from Operation: 72-48=24 Current State: 22:[23, 46, 24], Operations: ['72-48=24'] Exploring Operation: 46/23=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 46/23=2 Current State: 22:[24, 2], Operations: ['72-48=24', '46/23=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[48, 72, 23, 46], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [23, 46, 24] Generated Node #0,0: 22:[23, 46, 24] Operation: 72-48=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[23, 46, 24], Operations: ['72-48=24'] Exploring Operation: 46-24=22, Resulting Numbers: [23, 22] Generated Node #0,0,0: 22:[23, 22] Operation: 46-24=22 Moving to Node #0,0,0 Current State: 22:[23, 22], Operations: ['72-48=24', '46-24=22'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,22 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
[ 5, 87, 89, 13 ]
55
[ "89-87=2", "13-2=11", "5*11=55" ]
Current State: 55:[5, 87, 89, 13], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [5, 13, 2] Generated Node #2: [5, 13, 2] from Operation: 89-87=2 Current State: 55:[5, 13, 2], Operations: ['89-87=2'] Exploring Operation: 13-2=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 13-2=11 Current State: 55:[5, 11], Operations: ['89-87=2', '13-2=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[5, 87, 89, 13], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [5, 13, 2] Generated Node #0,0: 55:[5, 13, 2] Operation: 89-87=2 Exploring Operation: 87-13=74, Resulting Numbers: [5, 89, 74] Generated Node #0,1: 55:[5, 89, 74] Operation: 87-13=74 Exploring Operation: 89-13=76, Resulting Numbers: [5, 87, 76] Generated Node #0,2: 55:[5, 87, 76] Operation: 89-13=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[5, 13, 2], Operations: ['89-87=2'] Exploring Operation: 5+2=7, Resulting Numbers: [13, 7] Generated Node #0,0,0: 55:[13, 7] Operation: 5+2=7 Exploring Operation: 13-2=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 55:[5, 11] Operation: 13-2=11 Exploring Operation: 5*2=10, Resulting Numbers: [13, 10] Generated Node #0,0,2: 55:[13, 10] Operation: 5*2=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[5, 11], Operations: ['89-87=2', '13-2=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[5, 87, 89, 13], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [5, 13, 2] Generated Node #0,0: 55:[5, 13, 2] Operation: 89-87=2 Moving to Node #0,0 Current State: 55:[5, 13, 2], Operations: ['89-87=2'] Exploring Operation: 13-2=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 55:[5, 11] Operation: 13-2=11 Moving to Node #0,0,1 Current State: 55:[5, 11], Operations: ['89-87=2', '13-2=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 30, 24, 4, 32 ]
18
[ "30+24=54", "4+32=36", "54-36=18" ]
Current State: 18:[30, 24, 4, 32], Operations: [] Exploring Operation: 30+24=54, Resulting Numbers: [4, 32, 54] Generated Node #2: [4, 32, 54] from Operation: 30+24=54 Current State: 18:[4, 32, 54], Operations: ['30+24=54'] Exploring Operation: 4+32=36, Resulting Numbers: [54, 36] Generated Node #3: [54, 36] from Operation: 4+32=36 Current State: 18:[54, 36], Operations: ['30+24=54', '4+32=36'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[30, 24, 4, 32], Operations: [] Exploring Operation: 30-24=6, Resulting Numbers: [4, 32, 6] Generated Node #0,0: 18:[4, 32, 6] Operation: 30-24=6 Exploring Operation: 32-30=2, Resulting Numbers: [24, 4, 2] Generated Node #0,1: 18:[24, 4, 2] Operation: 32-30=2 Exploring Operation: 32-24=8, Resulting Numbers: [30, 4, 8] Generated Node #0,2: 18:[30, 4, 8] Operation: 32-24=8 Exploring Operation: 32/4=8, Resulting Numbers: [30, 24, 8] Generated Node #0,3: 18:[30, 24, 8] Operation: 32/4=8 Moving to Node #0,1 Current State: 18:[24, 4, 2], Operations: ['32-30=2'] Exploring Operation: 24/4=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 18:[2, 6] Operation: 24/4=6 Exploring Operation: 24/2=12, Resulting Numbers: [4, 12] Generated Node #0,1,1: 18:[4, 12] Operation: 24/2=12 Exploring Operation: 24-2=22, Resulting Numbers: [4, 22] Generated Node #0,1,2: 18:[4, 22] Operation: 24-2=22 Exploring Operation: 24-4=20, Resulting Numbers: [2, 20] Generated Node #0,1,3: 18:[2, 20] Operation: 24-4=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[2, 6], Operations: ['32-30=2', '24/4=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,18 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 #0,1,3 Current State: 18:[2, 20], Operations: ['32-30=2', '24-4=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[30, 24, 4, 32], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [24, 4, 2] Generated Node #0,1: 18:[24, 4, 2] Operation: 32-30=2 Moving to Node #0,1 Current State: 18:[24, 4, 2], Operations: ['32-30=2'] Exploring Operation: 24-4=20, Resulting Numbers: [2, 20] Generated Node #0,1,3: 18:[2, 20] Operation: 24-4=20 Moving to Node #0,1,3 Current State: 18:[2, 20], Operations: ['32-30=2', '24-4=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 42, 14, 4, 42 ]
11
[ "42/42=1", "14-4=10", "1+10=11" ]
Current State: 11:[42, 14, 4, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [14, 4, 1] Generated Node #2: [14, 4, 1] from Operation: 42/42=1 Current State: 11:[14, 4, 1], Operations: ['42/42=1'] Exploring Operation: 14-4=10, Resulting Numbers: [1, 10] Generated Node #3: [1, 10] from Operation: 14-4=10 Current State: 11:[1, 10], Operations: ['42/42=1', '14-4=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[42, 14, 4, 42], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [4, 42, 3] Generated Node #0,0: 11:[4, 42, 3] Operation: 42/14=3 Exploring Operation: 42/42=1, Resulting Numbers: [14, 4, 1] Generated Node #0,1: 11:[14, 4, 1] Operation: 42/42=1 Exploring Operation: 42-42=0, Resulting Numbers: [14, 4, 0] Generated Node #0,2: 11:[14, 4, 0] Operation: 42-42=0 Exploring Operation: 42/14=3, Resulting Numbers: [42, 4, 3] Generated Node #0,3: 11:[42, 4, 3] Operation: 42/14=3 Moving to Node #0,1 Current State: 11:[14, 4, 1], Operations: ['42/42=1'] Exploring Operation: 4+1=5, Resulting Numbers: [14, 5] Generated Node #0,1,0: 11:[14, 5] Operation: 4+1=5 Exploring Operation: 14/1=14, Resulting Numbers: [4, 14] Generated Node #0,1,1: 11:[4, 14] Operation: 14/1=14 Exploring Operation: 14-1=13, Resulting Numbers: [4, 13] Generated Node #0,1,2: 11:[4, 13] Operation: 14-1=13 Exploring Operation: 14*1=14, Resulting Numbers: [4, 14] Generated Node #0,1,3: 11:[4, 14] Operation: 14*1=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[14, 5], Operations: ['42/42=1', '4+1=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[4, 13], Operations: ['42/42=1', '14-1=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,11 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[4, 14], Operations: ['42/42=1', '14/1=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 11:[4, 14], Operations: ['42/42=1', '14*1=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 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: 11:[14, 4, 0], Operations: ['42-42=0'] Exploring Operation: 14-0=14, Resulting Numbers: [4, 14] Generated Node #0,2,0: 11:[4, 14] Operation: 14-0=14 Exploring Operation: 4-0=4, Resulting Numbers: [14, 4] Generated Node #0,2,1: 11:[14, 4] Operation: 4-0=4 Exploring Operation: 14+0=14, Resulting Numbers: [4, 14] Generated Node #0,2,2: 11:[4, 14] Operation: 14+0=14 Exploring Operation: 4+0=4, Resulting Numbers: [14, 4] Generated Node #0,2,3: 11:[14, 4] Operation: 4+0=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 11:[4, 14], Operations: ['42-42=0', '14-0=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 11:[14, 4], Operations: ['42-42=0', '4-0=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[4, 14], Operations: ['42-42=0', '14+0=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 11:[14, 4], Operations: ['42-42=0', '4+0=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 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: 11:[42, 4, 3], Operations: ['42/14=3'] Exploring Operation: 42-3=39, Resulting Numbers: [4, 39] Generated Node #0,3,0: 11:[4, 39] Operation: 42-3=39 Exploring Operation: 42-4=38, Resulting Numbers: [3, 38] Generated Node #0,3,1: 11:[3, 38] Operation: 42-4=38 Exploring Operation: 42/3=14, Resulting Numbers: [4, 14] Generated Node #0,3,2: 11:[4, 14] Operation: 42/3=14 Exploring Operation: 4*3=12, Resulting Numbers: [42, 12] Generated Node #0,3,3: 11:[42, 12] Operation: 4*3=12 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[4, 14], Operations: ['42/14=3', '42/3=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[42, 12], Operations: ['42/14=3', '4*3=12'] Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,11 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[4, 39], Operations: ['42/14=3', '42-3=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,11 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[3, 38], Operations: ['42/14=3', '42-4=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,11 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,11 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: 11:[4, 42, 3], Operations: ['42/14=3'] Exploring Operation: 42/3=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 11:[4, 14] Operation: 42/3=14 Exploring Operation: 4*3=12, Resulting Numbers: [42, 12] Generated Node #0,0,1: 11:[42, 12] Operation: 4*3=12 Exploring Operation: 42-4=38, Resulting Numbers: [3, 38] Generated Node #0,0,2: 11:[3, 38] Operation: 42-4=38 Exploring Operation: 4+3=7, Resulting Numbers: [42, 7] Generated Node #0,0,3: 11:[42, 7] Operation: 4+3=7 Moving to Node #0,0,0 Current State: 11:[4, 14], Operations: ['42/14=3', '42/3=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[42, 12], Operations: ['42/14=3', '4*3=12'] Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,11 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[42, 7], Operations: ['42/14=3', '4+3=7'] Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,11 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,11 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[3, 38], Operations: ['42/14=3', '42-4=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,11 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,11 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 50, 32, 12, 61 ]
31
[ "50-32=18", "61-12=49", "49-18=31" ]
Current State: 31:[50, 32, 12, 61], Operations: [] Exploring Operation: 50-32=18, Resulting Numbers: [12, 61, 18] Generated Node #2: [12, 61, 18] from Operation: 50-32=18 Current State: 31:[12, 61, 18], Operations: ['50-32=18'] Exploring Operation: 61-12=49, Resulting Numbers: [18, 49] Generated Node #3: [18, 49] from Operation: 61-12=49 Current State: 31:[18, 49], Operations: ['50-32=18', '61-12=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[50, 32, 12, 61], Operations: [] Exploring Operation: 61-12=49, Resulting Numbers: [50, 32, 49] Generated Node #0,0: 31:[50, 32, 49] Operation: 61-12=49 Exploring Operation: 50-12=38, Resulting Numbers: [32, 61, 38] Generated Node #0,1: 31:[32, 61, 38] Operation: 50-12=38 Moving to Node #0,0 Current State: 31:[50, 32, 49], Operations: ['61-12=49'] Exploring Operation: 50-49=1, Resulting Numbers: [32, 1] Generated Node #0,0,0: 31:[32, 1] Operation: 50-49=1 Exploring Operation: 50-32=18, Resulting Numbers: [49, 18] Generated Node #0,0,1: 31:[49, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[32, 1], Operations: ['61-12=49', '50-49=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[50, 32, 12, 61], Operations: [] Exploring Operation: 61-12=49, Resulting Numbers: [50, 32, 49] Generated Node #0,0: 31:[50, 32, 49] Operation: 61-12=49 Moving to Node #0,0 Current State: 31:[50, 32, 49], Operations: ['61-12=49'] Exploring Operation: 50-49=1, Resulting Numbers: [32, 1] Generated Node #0,0,0: 31:[32, 1] Operation: 50-49=1 Moving to Node #0,0,0 Current State: 31:[32, 1], Operations: ['61-12=49', '50-49=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 25, 87, 24, 90 ]
52
[ "87-25=62", "24+90=114", "114-62=52" ]
Current State: 52:[25, 87, 24, 90], Operations: [] Exploring Operation: 87-25=62, Resulting Numbers: [24, 90, 62] Generated Node #2: [24, 90, 62] from Operation: 87-25=62 Current State: 52:[24, 90, 62], Operations: ['87-25=62'] Exploring Operation: 24+90=114, Resulting Numbers: [62, 114] Generated Node #3: [62, 114] from Operation: 24+90=114 Current State: 52:[62, 114], Operations: ['87-25=62', '24+90=114'] Exploring Operation: 114-62=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[25, 87, 24, 90], Operations: [] Exploring Operation: 90-25=65, Resulting Numbers: [87, 24, 65] Generated Node #0,0: 52:[87, 24, 65] Operation: 90-25=65 Exploring Operation: 90-24=66, Resulting Numbers: [25, 87, 66] Generated Node #0,1: 52:[25, 87, 66] Operation: 90-24=66 Exploring Operation: 87-24=63, Resulting Numbers: [25, 90, 63] Generated Node #0,2: 52:[25, 90, 63] Operation: 87-24=63 Exploring Operation: 87-25=62, Resulting Numbers: [24, 90, 62] Generated Node #0,3: 52:[24, 90, 62] Operation: 87-25=62 Exploring Operation: 90-87=3, Resulting Numbers: [25, 24, 3] Generated Node #0,4: 52:[25, 24, 3] Operation: 90-87=3 Moving to Node #0,4 Current State: 52:[25, 24, 3], Operations: ['90-87=3'] Exploring Operation: 25+24=49, Resulting Numbers: [3, 49] Generated Node #0,4,0: 52:[3, 49] Operation: 25+24=49 Exploring Operation: 25-24=1, Resulting Numbers: [3, 1] Generated Node #0,4,1: 52:[3, 1] Operation: 25-24=1 Exploring Operation: 24/3=8, Resulting Numbers: [25, 8] Generated Node #0,4,2: 52:[25, 8] Operation: 24/3=8 Exploring Operation: 25+3=28, Resulting Numbers: [24, 28] Generated Node #0,4,3: 52:[24, 28] Operation: 25+3=28 Exploring Operation: 24+3=27, Resulting Numbers: [25, 27] Generated Node #0,4,4: 52:[25, 27] Operation: 24+3=27 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[3, 1], Operations: ['90-87=3', '25-24=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 52:[25, 27], Operations: ['90-87=3', '24+3=27'] Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,52 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[25, 87, 24, 90], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [25, 24, 3] Generated Node #0,4: 52:[25, 24, 3] Operation: 90-87=3 Moving to Node #0,4 Current State: 52:[25, 24, 3], Operations: ['90-87=3'] Exploring Operation: 24+3=27, Resulting Numbers: [25, 27] Generated Node #0,4,4: 52:[25, 27] Operation: 24+3=27 Moving to Node #0,4,4 Current State: 52:[25, 27], Operations: ['90-87=3', '24+3=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 96, 37, 56, 58 ]
56
[ "96-37=59", "59-58=1", "56*1=56" ]
Current State: 56:[96, 37, 56, 58], Operations: [] Exploring Operation: 96-37=59, Resulting Numbers: [56, 58, 59] Generated Node #2: [56, 58, 59] from Operation: 96-37=59 Current State: 56:[56, 58, 59], Operations: ['96-37=59'] Exploring Operation: 59-58=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 59-58=1 Current State: 56:[56, 1], Operations: ['96-37=59', '59-58=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[96, 37, 56, 58], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [37, 56, 38] Generated Node #0,0: 56:[37, 56, 38] Operation: 96-58=38 Exploring Operation: 96-37=59, Resulting Numbers: [56, 58, 59] Generated Node #0,1: 56:[56, 58, 59] Operation: 96-37=59 Exploring Operation: 56-37=19, Resulting Numbers: [96, 58, 19] Generated Node #0,2: 56:[96, 58, 19] Operation: 56-37=19 Exploring Operation: 96-56=40, Resulting Numbers: [37, 58, 40] Generated Node #0,3: 56:[37, 58, 40] Operation: 96-56=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[56, 58, 59], Operations: ['96-37=59'] Exploring Operation: 58-56=2, Resulting Numbers: [59, 2] Generated Node #0,1,0: 56:[59, 2] Operation: 58-56=2 Exploring Operation: 59-58=1, Resulting Numbers: [56, 1] Generated Node #0,1,1: 56:[56, 1] Operation: 59-58=1 Exploring Operation: 56+58=114, Resulting Numbers: [59, 114] Generated Node #0,1,2: 56:[59, 114] Operation: 56+58=114 Exploring Operation: 59-56=3, Resulting Numbers: [58, 3] Generated Node #0,1,3: 56:[58, 3] Operation: 59-56=3 Moving to Node #0,1,1 Current State: 56:[56, 1], Operations: ['96-37=59', '59-58=1'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[96, 37, 56, 58], Operations: [] Exploring Operation: 96-37=59, Resulting Numbers: [56, 58, 59] Generated Node #0,1: 56:[56, 58, 59] Operation: 96-37=59 Moving to Node #0,1 Current State: 56:[56, 58, 59], Operations: ['96-37=59'] Exploring Operation: 59-58=1, Resulting Numbers: [56, 1] Generated Node #0,1,1: 56:[56, 1] Operation: 59-58=1 Moving to Node #0,1,1 Current State: 56:[56, 1], Operations: ['96-37=59', '59-58=1'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 39, 46, 92, 49 ]
85
[ "46-39=7", "49/7=7", "92-7=85" ]
Current State: 85:[39, 46, 92, 49], Operations: [] Exploring Operation: 46-39=7, Resulting Numbers: [92, 49, 7] Generated Node #2: [92, 49, 7] from Operation: 46-39=7 Current State: 85:[92, 49, 7], Operations: ['46-39=7'] Exploring Operation: 49/7=7, Resulting Numbers: [92, 7] Generated Node #3: [92, 7] from Operation: 49/7=7 Current State: 85:[92, 7], Operations: ['46-39=7', '49/7=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[39, 46, 92, 49], Operations: [] Exploring Operation: 39+49=88, Resulting Numbers: [46, 92, 88] Generated Node #0,0: 85:[46, 92, 88] Operation: 39+49=88 Exploring Operation: 39+46=85, Resulting Numbers: [92, 49, 85] Generated Node #0,1: 85:[92, 49, 85] Operation: 39+46=85 Exploring Operation: 49-46=3, Resulting Numbers: [39, 92, 3] Generated Node #0,2: 85:[39, 92, 3] Operation: 49-46=3 Moving to Node #0,2 Current State: 85:[39, 92, 3], Operations: ['49-46=3'] Exploring Operation: 39/3=13, Resulting Numbers: [92, 13] Generated Node #0,2,0: 85:[92, 13] Operation: 39/3=13 Exploring Operation: 92-3=89, Resulting Numbers: [39, 89] Generated Node #0,2,1: 85:[39, 89] Operation: 92-3=89 Exploring Operation: 39-3=36, Resulting Numbers: [92, 36] Generated Node #0,2,2: 85:[92, 36] Operation: 39-3=36 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[92, 13], Operations: ['49-46=3', '39/3=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,85 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[39, 89], Operations: ['49-46=3', '92-3=89'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 39*89=3471, Resulting Numbers: [3471] 3471,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[92, 36], Operations: ['49-46=3', '39-3=36'] Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 92+36=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 92*36=3312, Resulting Numbers: [3312] 3312,85 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: 85:[46, 92, 88], Operations: ['39+49=88'] Exploring Operation: 92-46=46, Resulting Numbers: [88, 46] Generated Node #0,0,0: 85:[88, 46] Operation: 92-46=46 Exploring Operation: 92/46=2, Resulting Numbers: [88, 2] Generated Node #0,0,1: 85:[88, 2] Operation: 92/46=2 Exploring Operation: 92-88=4, Resulting Numbers: [46, 4] Generated Node #0,0,2: 85:[46, 4] Operation: 92-88=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[88, 2], Operations: ['39+49=88', '92/46=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[46, 4], Operations: ['39+49=88', '92-88=4'] Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,85 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[88, 46], Operations: ['39+49=88', '92-46=46'] Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,85 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,85 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,85 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: 85:[92, 49, 85], Operations: ['39+46=85'] Exploring Operation: 85-49=36, Resulting Numbers: [92, 36] Generated Node #0,1,0: 85:[92, 36] Operation: 85-49=36 Exploring Operation: 92-85=7, Resulting Numbers: [49, 7] Generated Node #0,1,1: 85:[49, 7] Operation: 92-85=7 Exploring Operation: 92-49=43, Resulting Numbers: [85, 43] Generated Node #0,1,2: 85:[85, 43] Operation: 92-49=43 Moving to Node #0,1,0 Current State: 85:[92, 36], Operations: ['39+46=85', '85-49=36'] Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 92+36=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 92*36=3312, Resulting Numbers: [3312] 3312,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[85, 43], Operations: ['39+46=85', '92-49=43'] Exploring Operation: 85*43=3655, Resulting Numbers: [3655] 3655,85 unequal: No Solution Exploring Operation: 85+43=128, Resulting Numbers: [128] 128,85 unequal: No Solution Exploring Operation: 85-43=42, Resulting Numbers: [42] 42,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[49, 7], Operations: ['39+46=85', '92-85=7'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,85 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,85 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 20, 28, 18, 43 ]
23
[ "20+28=48", "43-18=25", "48-25=23" ]
Current State: 23:[20, 28, 18, 43], Operations: [] Exploring Operation: 20+28=48, Resulting Numbers: [18, 43, 48] Generated Node #2: [18, 43, 48] from Operation: 20+28=48 Current State: 23:[18, 43, 48], Operations: ['20+28=48'] Exploring Operation: 43-18=25, Resulting Numbers: [48, 25] Generated Node #3: [48, 25] from Operation: 43-18=25 Current State: 23:[48, 25], Operations: ['20+28=48', '43-18=25'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[20, 28, 18, 43], Operations: [] Exploring Operation: 43-18=25, Resulting Numbers: [20, 28, 25] Generated Node #0,0: 23:[20, 28, 25] Operation: 43-18=25 Exploring Operation: 43-20=23, Resulting Numbers: [28, 18, 23] Generated Node #0,1: 23:[28, 18, 23] Operation: 43-20=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[20, 28, 25], Operations: ['43-18=25'] Exploring Operation: 28-20=8, Resulting Numbers: [25, 8] Generated Node #0,0,0: 23:[25, 8] Operation: 28-20=8 Exploring Operation: 25-20=5, Resulting Numbers: [28, 5] Generated Node #0,0,1: 23:[28, 5] Operation: 25-20=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[25, 8], Operations: ['43-18=25', '28-20=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[28, 5], Operations: ['43-18=25', '25-20=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,23 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[20, 28, 18, 43], Operations: [] Exploring Operation: 43-18=25, Resulting Numbers: [20, 28, 25] Generated Node #0,0: 23:[20, 28, 25] Operation: 43-18=25 Moving to Node #0,0 Current State: 23:[20, 28, 25], Operations: ['43-18=25'] Exploring Operation: 25-20=5, Resulting Numbers: [28, 5] Generated Node #0,0,1: 23:[28, 5] Operation: 25-20=5 Moving to Node #0,0,1 Current State: 23:[28, 5], Operations: ['43-18=25', '25-20=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 20, 38, 82, 5 ]
59
[ "38-20=18", "82-5=77", "77-18=59" ]
Current State: 59:[20, 38, 82, 5], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [82, 5, 18] Generated Node #2: [82, 5, 18] from Operation: 38-20=18 Current State: 59:[82, 5, 18], Operations: ['38-20=18'] Exploring Operation: 82-5=77, Resulting Numbers: [18, 77] Generated Node #3: [18, 77] from Operation: 82-5=77 Current State: 59:[18, 77], Operations: ['38-20=18', '82-5=77'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[20, 38, 82, 5], Operations: [] Exploring Operation: 82-20=62, Resulting Numbers: [38, 5, 62] Generated Node #0,0: 59:[38, 5, 62] Operation: 82-20=62 Exploring Operation: 20+38=58, Resulting Numbers: [82, 5, 58] Generated Node #0,1: 59:[82, 5, 58] Operation: 20+38=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[38, 5, 62], Operations: ['82-20=62'] Exploring Operation: 62-5=57, Resulting Numbers: [38, 57] Generated Node #0,0,0: 59:[38, 57] Operation: 62-5=57 Exploring Operation: 38+5=43, Resulting Numbers: [62, 43] Generated Node #0,0,1: 59:[62, 43] Operation: 38+5=43 Moving to Node #0,0,1 Current State: 59:[62, 43], Operations: ['82-20=62', '38+5=43'] Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,59 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[38, 57], Operations: ['82-20=62', '62-5=57'] Exploring Operation: 57-38=19, Resulting Numbers: [19] 19,59 unequal: No Solution Exploring Operation: 38+57=95, Resulting Numbers: [95] 95,59 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 Current State: 59:[82, 5, 58], Operations: ['20+38=58'] Exploring Operation: 82-5=77, Resulting Numbers: [58, 77] Generated Node #0,1,0: 59:[58, 77] Operation: 82-5=77 Exploring Operation: 5+58=63, Resulting Numbers: [82, 63] Generated Node #0,1,1: 59:[82, 63] Operation: 5+58=63 Moving to Node #0,1,0 Current State: 59:[58, 77], Operations: ['20+38=58', '82-5=77'] Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[82, 63], Operations: ['20+38=58', '5+58=63'] Exploring Operation: 82+63=145, Resulting Numbers: [145] 145,59 unequal: No Solution Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 45, 57, 18, 14 ]
98
[ "45+57=102", "18-14=4", "102-4=98" ]
Current State: 98:[45, 57, 18, 14], Operations: [] Exploring Operation: 45+57=102, Resulting Numbers: [18, 14, 102] Generated Node #2: [18, 14, 102] from Operation: 45+57=102 Current State: 98:[18, 14, 102], Operations: ['45+57=102'] Exploring Operation: 18-14=4, Resulting Numbers: [102, 4] Generated Node #3: [102, 4] from Operation: 18-14=4 Current State: 98:[102, 4], Operations: ['45+57=102', '18-14=4'] Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[45, 57, 18, 14], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [18, 14, 12] Generated Node #0,0: 98:[18, 14, 12] Operation: 57-45=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[18, 14, 12], Operations: ['57-45=12'] Exploring Operation: 18-12=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 98:[14, 6] Operation: 18-12=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[14, 6], Operations: ['57-45=12', '18-12=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 58, 54, 81, 5 ]
31
[ "54+81=135", "135/5=27", "58-27=31" ]
Current State: 31:[58, 54, 81, 5], Operations: [] Exploring Operation: 54+81=135, Resulting Numbers: [58, 5, 135] Generated Node #2: [58, 5, 135] from Operation: 54+81=135 Current State: 31:[58, 5, 135], Operations: ['54+81=135'] Exploring Operation: 135/5=27, Resulting Numbers: [58, 27] Generated Node #3: [58, 27] from Operation: 135/5=27 Current State: 31:[58, 27], Operations: ['54+81=135', '135/5=27'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[58, 54, 81, 5], Operations: [] Exploring Operation: 81-58=23, Resulting Numbers: [54, 5, 23] Generated Node #0,0: 31:[54, 5, 23] Operation: 81-58=23 Exploring Operation: 58-5=53, Resulting Numbers: [54, 81, 53] Generated Node #0,1: 31:[54, 81, 53] Operation: 58-5=53 Exploring Operation: 81-54=27, Resulting Numbers: [58, 5, 27] Generated Node #0,2: 31:[58, 5, 27] Operation: 81-54=27 Moving to Node #0,0 Current State: 31:[54, 5, 23], Operations: ['81-58=23'] Exploring Operation: 54-5=49, Resulting Numbers: [23, 49] Generated Node #0,0,0: 31:[23, 49] Operation: 54-5=49 Exploring Operation: 54-23=31, Resulting Numbers: [5, 31] Generated Node #0,0,1: 31:[5, 31] Operation: 54-23=31 Exploring Operation: 5+23=28, Resulting Numbers: [54, 28] Generated Node #0,0,2: 31:[54, 28] Operation: 5+23=28 Moving to Node #0,2 Current State: 31:[58, 5, 27], Operations: ['81-54=27'] Exploring Operation: 58-5=53, Resulting Numbers: [27, 53] Generated Node #0,2,0: 31:[27, 53] Operation: 58-5=53 Exploring Operation: 5+27=32, Resulting Numbers: [58, 32] Generated Node #0,2,1: 31:[58, 32] Operation: 5+27=32 Exploring Operation: 58-27=31, Resulting Numbers: [5, 31] Generated Node #0,2,2: 31:[5, 31] Operation: 58-27=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[27, 53], Operations: ['81-54=27', '58-5=53'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 27*53=1431, Resulting Numbers: [1431] 1431,31 unequal: No Solution Exploring Operation: 27+53=80, Resulting Numbers: [80] 80,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[5, 31], Operations: ['81-54=27', '58-27=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[58, 32], Operations: ['81-54=27', '5+27=32'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,31 unequal: No Solution Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 31:[54, 81, 53], Operations: ['58-5=53'] Exploring Operation: 81-53=28, Resulting Numbers: [54, 28] Generated Node #0,1,0: 31:[54, 28] Operation: 81-53=28 Exploring Operation: 54-53=1, Resulting Numbers: [81, 1] Generated Node #0,1,1: 31:[81, 1] Operation: 54-53=1 Exploring Operation: 81-54=27, Resulting Numbers: [53, 27] Generated Node #0,1,2: 31:[53, 27] Operation: 81-54=27 Moving to Node #0,0,0 Current State: 31:[23, 49], Operations: ['81-58=23', '54-5=49'] Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,31 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[54, 28], Operations: ['81-58=23', '5+23=28'] Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,31 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[5, 31], Operations: ['81-58=23', '54-23=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[54, 28], Operations: ['58-5=53', '81-53=28'] Exploring Operation: 54*28=1512, Resulting Numbers: [1512] 1512,31 unequal: No Solution Exploring Operation: 54+28=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[53, 27], Operations: ['58-5=53', '81-54=27'] Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,31 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,31 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[81, 1], Operations: ['58-5=53', '54-53=1'] Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,31 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,31 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,31 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 61, 79, 50 ]
58
[ "10+61=71", "79+50=129", "129-71=58" ]
Current State: 58:[10, 61, 79, 50], Operations: [] Exploring Operation: 10+61=71, Resulting Numbers: [79, 50, 71] Generated Node #2: [79, 50, 71] from Operation: 10+61=71 Current State: 58:[79, 50, 71], Operations: ['10+61=71'] Exploring Operation: 79+50=129, Resulting Numbers: [71, 129] Generated Node #3: [71, 129] from Operation: 79+50=129 Current State: 58:[71, 129], Operations: ['10+61=71', '79+50=129'] Exploring Operation: 129-71=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[10, 61, 79, 50], Operations: [] Exploring Operation: 79-50=29, Resulting Numbers: [10, 61, 29] Generated Node #0,0: 58:[10, 61, 29] Operation: 79-50=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[10, 61, 29], Operations: ['79-50=29'] Exploring Operation: 61-10=51, Resulting Numbers: [29, 51] Generated Node #0,0,0: 58:[29, 51] Operation: 61-10=51 Moving to Node #0,0,0 Current State: 58:[29, 51], Operations: ['79-50=29', '61-10=51'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 32, 18, 64, 56 ]
16
[ "32-18=14", "64*14=896", "896/56=16" ]
Current State: 16:[32, 18, 64, 56], Operations: [] Exploring Operation: 32-18=14, Resulting Numbers: [64, 56, 14] Generated Node #2: [64, 56, 14] from Operation: 32-18=14 Current State: 16:[64, 56, 14], Operations: ['32-18=14'] Exploring Operation: 64*14=896, Resulting Numbers: [56, 896] Generated Node #3: [56, 896] from Operation: 64*14=896 Current State: 16:[56, 896], Operations: ['32-18=14', '64*14=896'] Exploring Operation: 896/56=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[32, 18, 64, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [32, 18, 8] Generated Node #0,0: 16:[32, 18, 8] Operation: 64-56=8 Moving to Node #0,0 Current State: 16:[32, 18, 8], Operations: ['64-56=8'] Exploring Operation: 32-18=14, Resulting Numbers: [8, 14] Generated Node #0,0,0: 16:[8, 14] Operation: 32-18=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[8, 14], Operations: ['64-56=8', '32-18=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,16 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
[ 22, 25, 50, 33 ]
51
[ "25-22=3", "50-33=17", "3*17=51" ]
Current State: 51:[22, 25, 50, 33], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [50, 33, 3] Generated Node #2: [50, 33, 3] from Operation: 25-22=3 Current State: 51:[50, 33, 3], Operations: ['25-22=3'] Exploring Operation: 50-33=17, Resulting Numbers: [3, 17] Generated Node #3: [3, 17] from Operation: 50-33=17 Current State: 51:[3, 17], Operations: ['25-22=3', '50-33=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[22, 25, 50, 33], Operations: [] Exploring Operation: 22+33=55, Resulting Numbers: [25, 50, 55] Generated Node #0,0: 51:[25, 50, 55] Operation: 22+33=55 Exploring Operation: 33-25=8, Resulting Numbers: [22, 50, 8] Generated Node #0,1: 51:[22, 50, 8] Operation: 33-25=8 Exploring Operation: 25+33=58, Resulting Numbers: [22, 50, 58] Generated Node #0,2: 51:[22, 50, 58] Operation: 25+33=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[22, 50, 8], Operations: ['33-25=8'] Exploring Operation: 22+8=30, Resulting Numbers: [50, 30] Generated Node #0,1,0: 51:[50, 30] Operation: 22+8=30 Exploring Operation: 22-8=14, Resulting Numbers: [50, 14] Generated Node #0,1,1: 51:[50, 14] Operation: 22-8=14 Exploring Operation: 50+8=58, Resulting Numbers: [22, 58] Generated Node #0,1,2: 51:[22, 58] Operation: 50+8=58 Moving to Node #0,1,1 Current State: 51:[50, 14], Operations: ['33-25=8', '22-8=14'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,51 unequal: No Solution Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[22, 58], Operations: ['33-25=8', '50+8=58'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 22*58=1276, Resulting Numbers: [1276] 1276,51 unequal: No Solution Exploring Operation: 22+58=80, Resulting Numbers: [80] 80,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[50, 30], Operations: ['33-25=8', '22+8=30'] Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,51 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,51 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 Current State: 51:[25, 50, 55], Operations: ['22+33=55'] Exploring Operation: 50/25=2, Resulting Numbers: [55, 2] Generated Node #0,0,0: 51:[55, 2] Operation: 50/25=2 Exploring Operation: 55-50=5, Resulting Numbers: [25, 5] Generated Node #0,0,1: 51:[25, 5] Operation: 55-50=5 Exploring Operation: 50-25=25, Resulting Numbers: [55, 25] Generated Node #0,0,2: 51:[55, 25] Operation: 50-25=25 Moving to Node #0,0,0 Current State: 51:[55, 2], Operations: ['22+33=55', '50/25=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,51 unequal: No Solution Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[25, 5], Operations: ['22+33=55', '55-50=5'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[55, 25], Operations: ['22+33=55', '50-25=25'] Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,51 unequal: No Solution Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,51 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[22, 50, 58], Operations: ['25+33=58'] Exploring Operation: 58-22=36, Resulting Numbers: [50, 36] Generated Node #0,2,0: 51:[50, 36] Operation: 58-22=36 Exploring Operation: 50-22=28, Resulting Numbers: [58, 28] Generated Node #0,2,1: 51:[58, 28] Operation: 50-22=28 Exploring Operation: 58-50=8, Resulting Numbers: [22, 8] Generated Node #0,2,2: 51:[22, 8] Operation: 58-50=8 Moving to Node #0,2,2 Current State: 51:[22, 8], Operations: ['25+33=58', '58-50=8'] Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,51 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[50, 36], Operations: ['25+33=58', '58-22=36'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,51 unequal: No Solution Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[58, 28], Operations: ['25+33=58', '50-22=28'] Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,51 unequal: No Solution Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,51 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
[ 21, 74, 76, 19 ]
99
[ "21+74=95", "76/19=4", "95+4=99" ]
Current State: 99:[21, 74, 76, 19], Operations: [] Exploring Operation: 21+74=95, Resulting Numbers: [76, 19, 95] Generated Node #2: [76, 19, 95] from Operation: 21+74=95 Current State: 99:[76, 19, 95], Operations: ['21+74=95'] Exploring Operation: 76/19=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 76/19=4 Current State: 99:[95, 4], Operations: ['21+74=95', '76/19=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[21, 74, 76, 19], Operations: [] Exploring Operation: 21+76=97, Resulting Numbers: [74, 19, 97] Generated Node #0,0: 99:[74, 19, 97] Operation: 21+76=97 Exploring Operation: 76-74=2, Resulting Numbers: [21, 19, 2] Generated Node #0,1: 99:[21, 19, 2] Operation: 76-74=2 Exploring Operation: 21+74=95, Resulting Numbers: [76, 19, 95] Generated Node #0,2: 99:[76, 19, 95] Operation: 21+74=95 Moving to Node #0,1 Current State: 99:[21, 19, 2], Operations: ['76-74=2'] Exploring Operation: 21-19=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 99:[2, 2] Operation: 21-19=2 Exploring Operation: 19*2=38, Resulting Numbers: [21, 38] Generated Node #0,1,1: 99:[21, 38] Operation: 19*2=38 Exploring Operation: 21+19=40, Resulting Numbers: [2, 40] Generated Node #0,1,2: 99:[2, 40] Operation: 21+19=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[2, 2], Operations: ['76-74=2', '21-19=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[2, 40], Operations: ['76-74=2', '21+19=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[21, 38], Operations: ['76-74=2', '19*2=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,99 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,99 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 99:[74, 19, 97], Operations: ['21+76=97'] Exploring Operation: 74-19=55, Resulting Numbers: [97, 55] Generated Node #0,0,0: 99:[97, 55] Operation: 74-19=55 Exploring Operation: 74+19=93, Resulting Numbers: [97, 93] Generated Node #0,0,1: 99:[97, 93] Operation: 74+19=93 Exploring Operation: 97-74=23, Resulting Numbers: [19, 23] Generated Node #0,0,2: 99:[19, 23] Operation: 97-74=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[97, 93], Operations: ['21+76=97', '74+19=93'] Exploring Operation: 97+93=190, Resulting Numbers: [190] 190,99 unequal: No Solution Exploring Operation: 97*93=9021, Resulting Numbers: [9021] 9021,99 unequal: No Solution Exploring Operation: 97-93=4, Resulting Numbers: [4] 4,99 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 #0,0,2 Current State: 99:[19, 23], Operations: ['21+76=97', '97-74=23'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,99 unequal: No Solution Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,99 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 #0,0,0 Current State: 99:[97, 55], Operations: ['21+76=97', '74-19=55'] Exploring Operation: 97*55=5335, Resulting Numbers: [5335] 5335,99 unequal: No Solution Exploring Operation: 97-55=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 97+55=152, Resulting Numbers: [152] 152,99 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: 99:[76, 19, 95], Operations: ['21+74=95'] Exploring Operation: 95-76=19, Resulting Numbers: [19, 19] Generated Node #0,2,0: 99:[19, 19] Operation: 95-76=19 Exploring Operation: 76+19=95, Resulting Numbers: [95, 95] Generated Node #0,2,1: 99:[95, 95] Operation: 76+19=95 Exploring Operation: 76/19=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 99:[95, 4] Operation: 76/19=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[95, 4], Operations: ['21+74=95', '76/19=4'] Exploring Operation: 95*4=380, Resulting Numbers: [380] 380,99 unequal: No Solution Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[21, 74, 76, 19], Operations: [] Exploring Operation: 21+74=95, Resulting Numbers: [76, 19, 95] Generated Node #0,2: 99:[76, 19, 95] Operation: 21+74=95 Moving to Node #0,2 Current State: 99:[76, 19, 95], Operations: ['21+74=95'] Exploring Operation: 76/19=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 99:[95, 4] Operation: 76/19=4 Moving to Node #0,2,2 Current State: 99:[95, 4], Operations: ['21+74=95', '76/19=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 21, 70, 70, 50 ]
14
[ "21*50=1050", "1050-70=980", "980/70=14" ]
Current State: 14:[21, 70, 70, 50], Operations: [] Exploring Operation: 21*50=1050, Resulting Numbers: [70, 70, 1050] Generated Node #2: [70, 70, 1050] from Operation: 21*50=1050 Current State: 14:[70, 70, 1050], Operations: ['21*50=1050'] Exploring Operation: 1050-70=980, Resulting Numbers: [980] 980,14 equal: Goal Reached Exploring Operation: 980/70=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[21, 70, 70, 50], Operations: [] Exploring Operation: 70-70=0, Resulting Numbers: [21, 50, 0] Generated Node #0,0: 14:[21, 50, 0] Operation: 70-70=0 Exploring Operation: 70/70=1, Resulting Numbers: [21, 50, 1] Generated Node #0,1: 14:[21, 50, 1] Operation: 70/70=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[21, 50, 1], Operations: ['70/70=1'] Exploring Operation: 50-21=29, Resulting Numbers: [1, 29] Generated Node #0,1,0: 14:[1, 29] Operation: 50-21=29 Exploring Operation: 21-1=20, Resulting Numbers: [50, 20] Generated Node #0,1,1: 14:[50, 20] Operation: 21-1=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[1, 29], Operations: ['70/70=1', '50-21=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,14 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,14 unequal: No Solution No 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: 14:[50, 20], Operations: ['70/70=1', '21-1=20'] Exploring Operation: 50+20=70, Resulting Numbers: [70] 70,14 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,14 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: 14:[21, 50, 0], Operations: ['70-70=0'] Exploring Operation: 50-21=29, Resulting Numbers: [0, 29] Generated Node #0,0,0: 14:[0, 29] Operation: 50-21=29 Exploring Operation: 50*0=0, Resulting Numbers: [21, 0] Generated Node #0,0,1: 14:[21, 0] Operation: 50*0=0 Moving to Node #0,0,1 Current State: 14:[21, 0], Operations: ['70-70=0', '50*0=0'] Exploring Operation: 21+0=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 21*0=0, Resulting Numbers: [0] 0,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[0, 29], Operations: ['70-70=0', '50-21=29'] Exploring Operation: 0*29=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 0+29=29, Resulting Numbers: [29] 29,14 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
[ 26, 29, 28, 35 ]
49
[ "29-26=3", "28*3=84", "84-35=49" ]
Current State: 49:[26, 29, 28, 35], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [28, 35, 3] Generated Node #2: [28, 35, 3] from Operation: 29-26=3 Current State: 49:[28, 35, 3], Operations: ['29-26=3'] Exploring Operation: 28*3=84, Resulting Numbers: [35, 84] Generated Node #3: [35, 84] from Operation: 28*3=84 Current State: 49:[35, 84], Operations: ['29-26=3', '28*3=84'] Exploring Operation: 84-35=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[26, 29, 28, 35], Operations: [] Exploring Operation: 26+28=54, Resulting Numbers: [29, 35, 54] Generated Node #0,0: 49:[29, 35, 54] Operation: 26+28=54 Exploring Operation: 28-26=2, Resulting Numbers: [29, 35, 2] Generated Node #0,1: 49:[29, 35, 2] Operation: 28-26=2 Exploring Operation: 35-28=7, Resulting Numbers: [26, 29, 7] Generated Node #0,2: 49:[26, 29, 7] Operation: 35-28=7 Exploring Operation: 29-28=1, Resulting Numbers: [26, 35, 1] Generated Node #0,3: 49:[26, 35, 1] Operation: 29-28=1 Exploring Operation: 29-26=3, Resulting Numbers: [28, 35, 3] Generated Node #0,4: 49:[28, 35, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 49:[29, 35, 54], Operations: ['26+28=54'] Exploring Operation: 29+35=64, Resulting Numbers: [54, 64] Generated Node #0,0,0: 49:[54, 64] Operation: 29+35=64 Exploring Operation: 54-35=19, Resulting Numbers: [29, 19] Generated Node #0,0,1: 49:[29, 19] Operation: 54-35=19 Exploring Operation: 29+54=83, Resulting Numbers: [35, 83] Generated Node #0,0,2: 49:[35, 83] Operation: 29+54=83 Exploring Operation: 35-29=6, Resulting Numbers: [54, 6] Generated Node #0,0,3: 49:[54, 6] Operation: 35-29=6 Exploring Operation: 54-29=25, Resulting Numbers: [35, 25] Generated Node #0,0,4: 49:[35, 25] Operation: 54-29=25 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[54, 6], Operations: ['26+28=54', '35-29=6'] Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,49 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[54, 64], Operations: ['26+28=54', '29+35=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,49 unequal: No Solution Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[29, 19], Operations: ['26+28=54', '54-35=19'] Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,49 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[35, 25], Operations: ['26+28=54', '54-29=25'] Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[35, 83], Operations: ['26+28=54', '29+54=83'] Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 35*83=2905, Resulting Numbers: [2905] 2905,49 unequal: No Solution Exploring Operation: 35+83=118, Resulting Numbers: [118] 118,49 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: 49:[26, 29, 7], Operations: ['35-28=7'] Exploring Operation: 29-7=22, Resulting Numbers: [26, 22] Generated Node #0,2,0: 49:[26, 22] Operation: 29-7=22 Exploring Operation: 29+7=36, Resulting Numbers: [26, 36] Generated Node #0,2,1: 49:[26, 36] Operation: 29+7=36 Exploring Operation: 26+29=55, Resulting Numbers: [7, 55] Generated Node #0,2,2: 49:[7, 55] Operation: 26+29=55 Exploring Operation: 26-7=19, Resulting Numbers: [29, 19] Generated Node #0,2,3: 49:[29, 19] Operation: 26-7=19 Exploring Operation: 29-26=3, Resulting Numbers: [7, 3] Generated Node #0,2,4: 49:[7, 3] Operation: 29-26=3 Moving to Node #0,4 Current State: 49:[28, 35, 3], Operations: ['29-26=3'] Exploring Operation: 28+35=63, Resulting Numbers: [3, 63] Generated Node #0,4,0: 49:[3, 63] Operation: 28+35=63 Exploring Operation: 35+3=38, Resulting Numbers: [28, 38] Generated Node #0,4,1: 49:[28, 38] Operation: 35+3=38 Exploring Operation: 28+3=31, Resulting Numbers: [35, 31] Generated Node #0,4,2: 49:[35, 31] Operation: 28+3=31 Exploring Operation: 35-28=7, Resulting Numbers: [3, 7] Generated Node #0,4,3: 49:[3, 7] Operation: 35-28=7 Exploring Operation: 28-3=25, Resulting Numbers: [35, 25] Generated Node #0,4,4: 49:[35, 25] Operation: 28-3=25 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[3, 7], Operations: ['29-26=3', '35-28=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[3, 63], Operations: ['29-26=3', '28+35=63'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,49 unequal: No Solution Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[28, 38], Operations: ['29-26=3', '35+3=38'] Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,49 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[35, 31], Operations: ['29-26=3', '28+3=31'] Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,49 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[35, 25], Operations: ['29-26=3', '28-3=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,49 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[29, 35, 2], Operations: ['28-26=2'] Exploring Operation: 29+2=31, Resulting Numbers: [35, 31] Generated Node #0,1,0: 49:[35, 31] Operation: 29+2=31 Exploring Operation: 35-29=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 49:[2, 6] Operation: 35-29=6 Exploring Operation: 29+35=64, Resulting Numbers: [2, 64] Generated Node #0,1,2: 49:[2, 64] Operation: 29+35=64 Exploring Operation: 35+2=37, Resulting Numbers: [29, 37] Generated Node #0,1,3: 49:[29, 37] Operation: 35+2=37 Exploring Operation: 29*2=58, Resulting Numbers: [35, 58] Generated Node #0,1,4: 49:[35, 58] Operation: 29*2=58 Moving to Node #0,3 Current State: 49:[26, 35, 1], Operations: ['29-28=1'] Exploring Operation: 35+1=36, Resulting Numbers: [26, 36] Generated Node #0,3,0: 49:[26, 36] Operation: 35+1=36 Exploring Operation: 26-1=25, Resulting Numbers: [35, 25] Generated Node #0,3,1: 49:[35, 25] Operation: 26-1=25 Exploring Operation: 26*1=26, Resulting Numbers: [35, 26] Generated Node #0,3,2: 49:[35, 26] Operation: 26*1=26 Exploring Operation: 26+35=61, Resulting Numbers: [1, 61] Generated Node #0,3,3: 49:[1, 61] Operation: 26+35=61 Exploring Operation: 35-26=9, Resulting Numbers: [1, 9] Generated Node #0,3,4: 49:[1, 9] Operation: 35-26=9 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[1, 9], Operations: ['29-28=1', '35-26=9'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[1, 61], Operations: ['29-28=1', '26+35=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[26, 36], Operations: ['29-28=1', '35+1=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,49 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[35, 25], Operations: ['29-28=1', '26-1=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,49 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[35, 26], Operations: ['29-28=1', '26*1=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,49 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 49:[7, 3], Operations: ['35-28=7', '29-26=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[2, 6], Operations: ['28-26=2', '35-29=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[7, 55], Operations: ['35-28=7', '26+29=55'] Exploring Operation: 7+55=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 7*55=385, Resulting Numbers: [385] 385,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[2, 64], Operations: ['28-26=2', '29+35=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,49 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[35, 58], Operations: ['28-26=2', '29*2=58'] Exploring Operation: 35*58=2030, Resulting Numbers: [2030] 2030,49 unequal: No Solution Exploring Operation: 35+58=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 58-35=23, Resulting Numbers: [23] 23,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[26, 36], Operations: ['35-28=7', '29+7=36'] Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,49 unequal: No Solution Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[35, 31], Operations: ['28-26=2', '29+2=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,49 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[29, 37], Operations: ['28-26=2', '35+2=37'] Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,49 unequal: No Solution Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,49 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[29, 19], Operations: ['35-28=7', '26-7=19'] Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[26, 22], Operations: ['35-28=7', '29-7=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,49 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 70, 12, 94, 94 ]
47
[ "94-70=24", "12*94=1128", "1128/24=47" ]
Current State: 47:[70, 12, 94, 94], Operations: [] Exploring Operation: 94-70=24, Resulting Numbers: [12, 24] Generated Node #2: [12, 24] from Operation: 94-70=24 Current State: 47:[12, 24], Operations: ['94-70=24'] Exploring Operation: 12*94=1128, Resulting Numbers: [24, 1128] Generated Node #3: [24, 1128] from Operation: 12*94=1128 Current State: 47:[24, 1128], Operations: ['94-70=24', '12*94=1128'] Exploring Operation: 1128/24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[70, 12, 94, 94], Operations: [] Exploring Operation: 94/94=1, Resulting Numbers: [70, 12, 1] Generated Node #0,0: 47:[70, 12, 1] Operation: 94/94=1 Moving to Node #0,0 Current State: 47:[70, 12, 1], Operations: ['94/94=1'] Exploring Operation: 70-12=58, Resulting Numbers: [1, 58] Generated Node #0,0,0: 47:[1, 58] Operation: 70-12=58 Moving to Node #0,0,0 Current State: 47:[1, 58], Operations: ['94/94=1', '70-12=58'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,47 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 1, 81, 37, 25 ]
18
[ "81-1=80", "37+25=62", "80-62=18" ]
Current State: 18:[1, 81, 37, 25], Operations: [] Exploring Operation: 81-1=80, Resulting Numbers: [37, 25, 80] Generated Node #2: [37, 25, 80] from Operation: 81-1=80 Current State: 18:[37, 25, 80], Operations: ['81-1=80'] Exploring Operation: 37+25=62, Resulting Numbers: [80, 62] Generated Node #3: [80, 62] from Operation: 37+25=62 Current State: 18:[80, 62], Operations: ['81-1=80', '37+25=62'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[1, 81, 37, 25], Operations: [] Exploring Operation: 81-25=56, Resulting Numbers: [1, 37, 56] Generated Node #0,0: 18:[1, 37, 56] Operation: 81-25=56 Exploring Operation: 81-37=44, Resulting Numbers: [1, 25, 44] Generated Node #0,1: 18:[1, 25, 44] Operation: 81-37=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[1, 25, 44], Operations: ['81-37=44'] Exploring Operation: 44-25=19, Resulting Numbers: [1, 19] Generated Node #0,1,0: 18:[1, 19] Operation: 44-25=19 Exploring Operation: 25-1=24, Resulting Numbers: [44, 24] Generated Node #0,1,1: 18:[44, 24] Operation: 25-1=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[1, 19], Operations: ['81-37=44', '44-25=19'] Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,18 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[1, 81, 37, 25], Operations: [] Exploring Operation: 81-37=44, Resulting Numbers: [1, 25, 44] Generated Node #0,1: 18:[1, 25, 44] Operation: 81-37=44 Moving to Node #0,1 Current State: 18:[1, 25, 44], Operations: ['81-37=44'] Exploring Operation: 44-25=19, Resulting Numbers: [1, 19] Generated Node #0,1,0: 18:[1, 19] Operation: 44-25=19 Moving to Node #0,1,0 Current State: 18:[1, 19], Operations: ['81-37=44', '44-25=19'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 93, 4, 19, 89 ]
19
[ "93-4=89", "19+89=108", "108-89=19" ]
Current State: 19:[93, 4, 19, 89], Operations: [] Exploring Operation: 93-4=89, Resulting Numbers: [19, 89, 89] Generated Node #2: [19, 89, 89] from Operation: 93-4=89 Current State: 19:[19, 89, 89], Operations: ['93-4=89'] Exploring Operation: 19+89=108, Resulting Numbers: [108] 108,19 equal: Goal Reached Exploring Operation: 108-89=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[93, 4, 19, 89], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [4, 19, 4] Generated Node #0,0: 19:[4, 19, 4] Operation: 93-89=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[4, 19, 4], Operations: ['93-89=4'] Exploring Operation: 4*4=16, Resulting Numbers: [19, 16] Generated Node #0,0,0: 19:[19, 16] Operation: 4*4=16 Moving to Node #0,0,0 Current State: 19:[19, 16], Operations: ['93-89=4', '4*4=16'] Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,19 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
[ 98, 65, 58, 50 ]
64
[ "65-58=7", "98/7=14", "50+14=64" ]
Current State: 64:[98, 65, 58, 50], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [98, 50, 7] Generated Node #2: [98, 50, 7] from Operation: 65-58=7 Current State: 64:[98, 50, 7], Operations: ['65-58=7'] Exploring Operation: 98/7=14, Resulting Numbers: [50, 14] Generated Node #3: [50, 14] from Operation: 98/7=14 Current State: 64:[50, 14], Operations: ['65-58=7', '98/7=14'] Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[98, 65, 58, 50], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [98, 65, 8] Generated Node #0,0: 64:[98, 65, 8] Operation: 58-50=8 Exploring Operation: 98-50=48, Resulting Numbers: [65, 58, 48] Generated Node #0,1: 64:[65, 58, 48] Operation: 98-50=48 Exploring Operation: 98-65=33, Resulting Numbers: [58, 50, 33] Generated Node #0,2: 64:[58, 50, 33] Operation: 98-65=33 Exploring Operation: 98-58=40, Resulting Numbers: [65, 50, 40] Generated Node #0,3: 64:[65, 50, 40] Operation: 98-58=40 Moving to Node #0,2 Current State: 64:[58, 50, 33], Operations: ['98-65=33'] Exploring Operation: 50+33=83, Resulting Numbers: [58, 83] Generated Node #0,2,0: 64:[58, 83] Operation: 50+33=83 Exploring Operation: 58-33=25, Resulting Numbers: [50, 25] Generated Node #0,2,1: 64:[50, 25] Operation: 58-33=25 Exploring Operation: 50-33=17, Resulting Numbers: [58, 17] Generated Node #0,2,2: 64:[58, 17] Operation: 50-33=17 Exploring Operation: 58-50=8, Resulting Numbers: [33, 8] Generated Node #0,2,3: 64:[33, 8] Operation: 58-50=8 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[33, 8], Operations: ['98-65=33', '58-50=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[58, 17], Operations: ['98-65=33', '50-33=17'] Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[50, 25], Operations: ['98-65=33', '58-33=25'] Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,64 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[58, 83], Operations: ['98-65=33', '50+33=83'] Exploring Operation: 58+83=141, Resulting Numbers: [141] 141,64 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 58*83=4814, Resulting Numbers: [4814] 4814,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 64:[65, 50, 40], Operations: ['98-58=40'] Exploring Operation: 50-40=10, Resulting Numbers: [65, 10] Generated Node #0,3,0: 64:[65, 10] Operation: 50-40=10 Exploring Operation: 65-50=15, Resulting Numbers: [40, 15] Generated Node #0,3,1: 64:[40, 15] Operation: 65-50=15 Exploring Operation: 50+40=90, Resulting Numbers: [65, 90] Generated Node #0,3,2: 64:[65, 90] Operation: 50+40=90 Exploring Operation: 65-40=25, Resulting Numbers: [50, 25] Generated Node #0,3,3: 64:[50, 25] Operation: 65-40=25 Moving to Node #0,1 Current State: 64:[65, 58, 48], Operations: ['98-50=48'] Exploring Operation: 58+48=106, Resulting Numbers: [65, 106] Generated Node #0,1,0: 64:[65, 106] Operation: 58+48=106 Exploring Operation: 65-48=17, Resulting Numbers: [58, 17] Generated Node #0,1,1: 64:[58, 17] Operation: 65-48=17 Exploring Operation: 65-58=7, Resulting Numbers: [48, 7] Generated Node #0,1,2: 64:[48, 7] Operation: 65-58=7 Exploring Operation: 58-48=10, Resulting Numbers: [65, 10] Generated Node #0,1,3: 64:[65, 10] Operation: 58-48=10 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[65, 10], Operations: ['98-50=48', '58-48=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,64 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[58, 17], Operations: ['98-50=48', '65-48=17'] Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,64 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[48, 7], Operations: ['98-50=48', '65-58=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,64 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[65, 106], Operations: ['98-50=48', '58+48=106'] Exploring Operation: 65*106=6890, Resulting Numbers: [6890] 6890,64 unequal: No Solution Exploring Operation: 106-65=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 65+106=171, Resulting Numbers: [171] 171,64 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: 64:[98, 65, 8], Operations: ['58-50=8'] Exploring Operation: 98+8=106, Resulting Numbers: [65, 106] Generated Node #0,0,0: 64:[65, 106] Operation: 98+8=106 Exploring Operation: 98-65=33, Resulting Numbers: [8, 33] Generated Node #0,0,1: 64:[8, 33] Operation: 98-65=33 Exploring Operation: 98-8=90, Resulting Numbers: [65, 90] Generated Node #0,0,2: 64:[65, 90] Operation: 98-8=90 Exploring Operation: 65-8=57, Resulting Numbers: [98, 57] Generated Node #0,0,3: 64:[98, 57] Operation: 65-8=57 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[8, 33], Operations: ['58-50=8', '98-65=33'] Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,64 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:[65, 90], Operations: ['58-50=8', '98-8=90'] Exploring Operation: 65+90=155, Resulting Numbers: [155] 155,64 unequal: No Solution Exploring Operation: 65*90=5850, Resulting Numbers: [5850] 5850,64 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,64 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 #0,0,3 Current State: 64:[98, 57], Operations: ['58-50=8', '65-8=57'] Exploring Operation: 98-57=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 98+57=155, Resulting Numbers: [155] 155,64 unequal: No Solution Exploring Operation: 98*57=5586, Resulting Numbers: [5586] 5586,64 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:[65, 106], Operations: ['58-50=8', '98+8=106'] Exploring Operation: 106-65=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 65+106=171, Resulting Numbers: [171] 171,64 unequal: No Solution Exploring Operation: 65*106=6890, Resulting Numbers: [6890] 6890,64 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: 64:[65, 10], Operations: ['98-58=40', '50-40=10'] Exploring Operation: 65*10=650, Resulting Numbers: [650] 650,64 unequal: No Solution Exploring Operation: 65+10=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[40, 15], Operations: ['98-58=40', '65-50=15'] Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,64 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[50, 25], Operations: ['98-58=40', '65-40=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,64 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[65, 90], Operations: ['98-58=40', '50+40=90'] Exploring Operation: 65*90=5850, Resulting Numbers: [5850] 5850,64 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 65+90=155, Resulting Numbers: [155] 155,64 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 93, 9, 89, 26 ]
95
[ "93-89=4", "26*4=104", "104-9=95" ]
Current State: 95:[93, 9, 89, 26], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [9, 26, 4] Generated Node #2: [9, 26, 4] from Operation: 93-89=4 Current State: 95:[9, 26, 4], Operations: ['93-89=4'] Exploring Operation: 26*4=104, Resulting Numbers: [9, 104] Generated Node #3: [9, 104] from Operation: 26*4=104 Current State: 95:[9, 104], Operations: ['93-89=4', '26*4=104'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[93, 9, 89, 26], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [9, 26, 4] Generated Node #0,0: 95:[9, 26, 4] Operation: 93-89=4 Exploring Operation: 93+9=102, Resulting Numbers: [89, 26, 102] Generated Node #0,1: 95:[89, 26, 102] Operation: 93+9=102 Exploring Operation: 26-9=17, Resulting Numbers: [93, 89, 17] Generated Node #0,2: 95:[93, 89, 17] Operation: 26-9=17 Exploring Operation: 9+89=98, Resulting Numbers: [93, 26, 98] Generated Node #0,3: 95:[93, 26, 98] Operation: 9+89=98 Exploring Operation: 93-9=84, Resulting Numbers: [89, 26, 84] Generated Node #0,4: 95:[89, 26, 84] Operation: 93-9=84 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[93, 89, 17], Operations: ['26-9=17'] Exploring Operation: 93+17=110, Resulting Numbers: [89, 110] Generated Node #0,2,0: 95:[89, 110] Operation: 93+17=110 Exploring Operation: 89+17=106, Resulting Numbers: [93, 106] Generated Node #0,2,1: 95:[93, 106] Operation: 89+17=106 Exploring Operation: 89-17=72, Resulting Numbers: [93, 72] Generated Node #0,2,2: 95:[93, 72] Operation: 89-17=72 Exploring Operation: 93-89=4, Resulting Numbers: [17, 4] Generated Node #0,2,3: 95:[17, 4] Operation: 93-89=4 Exploring Operation: 93-17=76, Resulting Numbers: [89, 76] Generated Node #0,2,4: 95:[89, 76] Operation: 93-17=76 Moving to Node #0,2,3 Current State: 95:[17, 4], Operations: ['26-9=17', '93-89=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[93, 106], Operations: ['26-9=17', '89+17=106'] Exploring Operation: 93+106=199, Resulting Numbers: [199] 199,95 unequal: No Solution Exploring Operation: 106-93=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 93*106=9858, Resulting Numbers: [9858] 9858,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[89, 110], Operations: ['26-9=17', '93+17=110'] Exploring Operation: 89+110=199, Resulting Numbers: [199] 199,95 unequal: No Solution Exploring Operation: 89*110=9790, Resulting Numbers: [9790] 9790,95 unequal: No Solution Exploring Operation: 110-89=21, Resulting Numbers: [21] 21,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[93, 72], Operations: ['26-9=17', '89-17=72'] Exploring Operation: 93+72=165, Resulting Numbers: [165] 165,95 unequal: No Solution Exploring Operation: 93-72=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 93*72=6696, Resulting Numbers: [6696] 6696,95 unequal: No Solution Moving to Node #0,2,4 Current State: 95:[89, 76], Operations: ['26-9=17', '93-17=76'] Exploring Operation: 89*76=6764, Resulting Numbers: [6764] 6764,95 unequal: No Solution Exploring Operation: 89-76=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 89+76=165, Resulting Numbers: [165] 165,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[9, 26, 4], Operations: ['93-89=4'] Exploring Operation: 26-9=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 95:[4, 17] Operation: 26-9=17 Exploring Operation: 26*4=104, Resulting Numbers: [9, 104] Generated Node #0,0,1: 95:[9, 104] Operation: 26*4=104 Exploring Operation: 9+4=13, Resulting Numbers: [26, 13] Generated Node #0,0,2: 95:[26, 13] Operation: 9+4=13 Exploring Operation: 26-4=22, Resulting Numbers: [9, 22] Generated Node #0,0,3: 95:[9, 22] Operation: 26-4=22 Exploring Operation: 9-4=5, Resulting Numbers: [26, 5] Generated Node #0,0,4: 95:[26, 5] Operation: 9-4=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[4, 17], Operations: ['93-89=4', '26-9=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 95:[9, 22], Operations: ['93-89=4', '26-4=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 95:[26, 5], Operations: ['93-89=4', '9-4=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,95 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[9, 104], Operations: ['93-89=4', '26*4=104'] Exploring Operation: 9*104=936, Resulting Numbers: [936] 936,95 unequal: No Solution Exploring Operation: 9+104=113, Resulting Numbers: [113] 113,95 unequal: No Solution Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[93, 9, 89, 26], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [9, 26, 4] Generated Node #0,0: 95:[9, 26, 4] Operation: 93-89=4 Moving to Node #0,0 Current State: 95:[9, 26, 4], Operations: ['93-89=4'] Exploring Operation: 26*4=104, Resulting Numbers: [9, 104] Generated Node #0,0,1: 95:[9, 104] Operation: 26*4=104 Moving to Node #0,0,1 Current State: 95:[9, 104], Operations: ['93-89=4', '26*4=104'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_5
sum_heuristic
[ 4, 8, 36, 82 ]
77
[ "8/4=2", "82/2=41", "36+41=77" ]
Current State: 77:[4, 8, 36, 82], Operations: [] Exploring Operation: 8/4=2, Resulting Numbers: [36, 82, 2] Generated Node #2: [36, 82, 2] from Operation: 8/4=2 Current State: 77:[36, 82, 2], Operations: ['8/4=2'] Exploring Operation: 82/2=41, Resulting Numbers: [36, 41] Generated Node #3: [36, 41] from Operation: 82/2=41 Current State: 77:[36, 41], Operations: ['8/4=2', '82/2=41'] Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[4, 8, 36, 82], Operations: [] Exploring Operation: 36-8=28, Resulting Numbers: [4, 82, 28] Generated Node #0,0: 77:[4, 82, 28] Operation: 36-8=28 Exploring Operation: 36/4=9, Resulting Numbers: [8, 82, 9] Generated Node #0,1: 77:[8, 82, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [8, 82, 32] Generated Node #0,2: 77:[8, 82, 32] Operation: 36-4=32 Exploring Operation: 82-4=78, Resulting Numbers: [8, 36, 78] Generated Node #0,3: 77:[8, 36, 78] Operation: 82-4=78 Moving to Node #0,1 Current State: 77:[8, 82, 9], Operations: ['36/4=9'] Exploring Operation: 82-9=73, Resulting Numbers: [8, 73] Generated Node #0,1,0: 77:[8, 73] Operation: 82-9=73 Exploring Operation: 82-8=74, Resulting Numbers: [9, 74] Generated Node #0,1,1: 77:[9, 74] Operation: 82-8=74 Exploring Operation: 8+9=17, Resulting Numbers: [82, 17] Generated Node #0,1,2: 77:[82, 17] Operation: 8+9=17 Exploring Operation: 8*9=72, Resulting Numbers: [82, 72] Generated Node #0,1,3: 77:[82, 72] Operation: 8*9=72 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[8, 73], Operations: ['36/4=9', '82-9=73'] Exploring Operation: 8+73=81, Resulting Numbers: [81] 81,77 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 8*73=584, Resulting Numbers: [584] 584,77 unequal: No Solution No 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: 77:[9, 74], Operations: ['36/4=9', '82-8=74'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 9+74=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 9*74=666, Resulting Numbers: [666] 666,77 unequal: No Solution No 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: 77:[82, 72], Operations: ['36/4=9', '8*9=72'] Exploring Operation: 82*72=5904, Resulting Numbers: [5904] 5904,77 unequal: No Solution Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,77 unequal: No Solution Exploring Operation: 82+72=154, Resulting Numbers: [154] 154,77 unequal: No Solution No 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: 77:[82, 17], Operations: ['36/4=9', '8+9=17'] Exploring Operation: 82+17=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 82*17=1394, Resulting Numbers: [1394] 1394,77 unequal: No Solution Exploring Operation: 82-17=65, Resulting Numbers: [65] 65,77 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: 77:[4, 82, 28], Operations: ['36-8=28'] Exploring Operation: 82-4=78, Resulting Numbers: [28, 78] Generated Node #0,0,0: 77:[28, 78] Operation: 82-4=78 Exploring Operation: 28-4=24, Resulting Numbers: [82, 24] Generated Node #0,0,1: 77:[82, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [82, 7] Generated Node #0,0,2: 77:[82, 7] Operation: 28/4=7 Exploring Operation: 4+82=86, Resulting Numbers: [28, 86] Generated Node #0,0,3: 77:[28, 86] Operation: 4+82=86 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[82, 7], Operations: ['36-8=28', '28/4=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,77 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,77 unequal: No Solution No 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: 77:[28, 78], Operations: ['36-8=28', '82-4=78'] Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,77 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,77 unequal: No Solution No 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: 77:[82, 24], Operations: ['36-8=28', '28-4=24'] Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,77 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,77 unequal: No Solution No 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: 77:[28, 86], Operations: ['36-8=28', '4+82=86'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,77 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,77 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: 77:[8, 36, 78], Operations: ['82-4=78'] Exploring Operation: 36-8=28, Resulting Numbers: [78, 28] Generated Node #0,3,0: 77:[78, 28] Operation: 36-8=28 Exploring Operation: 78-8=70, Resulting Numbers: [36, 70] Generated Node #0,3,1: 77:[36, 70] Operation: 78-8=70 Exploring Operation: 78-36=42, Resulting Numbers: [8, 42] Generated Node #0,3,2: 77:[8, 42] Operation: 78-36=42 Exploring Operation: 8+36=44, Resulting Numbers: [78, 44] Generated Node #0,3,3: 77:[78, 44] Operation: 8+36=44 Moving to Node #0,2 Current State: 77:[8, 82, 32], Operations: ['36-4=32'] Exploring Operation: 82-32=50, Resulting Numbers: [8, 50] Generated Node #0,2,0: 77:[8, 50] Operation: 82-32=50 Exploring Operation: 32/8=4, Resulting Numbers: [82, 4] Generated Node #0,2,1: 77:[82, 4] Operation: 32/8=4 Exploring Operation: 82-8=74, Resulting Numbers: [32, 74] Generated Node #0,2,2: 77:[32, 74] Operation: 82-8=74 Exploring Operation: 32-8=24, Resulting Numbers: [82, 24] Generated Node #0,2,3: 77:[82, 24] Operation: 32-8=24 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[82, 4], Operations: ['36-4=32', '32/8=4'] Exploring Operation: 82*4=328, Resulting Numbers: [328] 328,77 unequal: No Solution Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,77 unequal: No Solution No 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: 77:[82, 24], Operations: ['36-4=32', '32-8=24'] Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,77 unequal: No Solution No 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: 77:[32, 74], Operations: ['36-4=32', '82-8=74'] Exploring Operation: 32*74=2368, Resulting Numbers: [2368] 2368,77 unequal: No Solution Exploring Operation: 32+74=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,77 unequal: No Solution No 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: 77:[8, 50], Operations: ['36-4=32', '82-32=50'] Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,77 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,77 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: 77:[78, 28], Operations: ['82-4=78', '36-8=28'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,77 unequal: No Solution Exploring Operation: 78*28=2184, Resulting Numbers: [2184] 2184,77 unequal: No Solution Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[8, 42], Operations: ['82-4=78', '78-36=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,77 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[36, 70], Operations: ['82-4=78', '78-8=70'] Exploring Operation: 36*70=2520, Resulting Numbers: [2520] 2520,77 unequal: No Solution Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 36+70=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[78, 44], Operations: ['82-4=78', '8+36=44'] Exploring Operation: 78+44=122, Resulting Numbers: [122] 122,77 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 78*44=3432, Resulting Numbers: [3432] 3432,77 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 31, 90, 45, 50 ]
65
[ "50-45=5", "31*5=155", "155-90=65" ]
Current State: 65:[31, 90, 45, 50], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [31, 90, 5] Generated Node #2: [31, 90, 5] from Operation: 50-45=5 Current State: 65:[31, 90, 5], Operations: ['50-45=5'] Exploring Operation: 31*5=155, Resulting Numbers: [90, 155] Generated Node #3: [90, 155] from Operation: 31*5=155 Current State: 65:[90, 155], Operations: ['50-45=5', '31*5=155'] Exploring Operation: 155-90=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[31, 90, 45, 50], Operations: [] Exploring Operation: 50-45=5, Resulting Numbers: [31, 90, 5] Generated Node #0,0: 65:[31, 90, 5] Operation: 50-45=5 Exploring Operation: 90/45=2, Resulting Numbers: [31, 50, 2] Generated Node #0,1: 65:[31, 50, 2] Operation: 90/45=2 Exploring Operation: 90-31=59, Resulting Numbers: [45, 50, 59] Generated Node #0,2: 65:[45, 50, 59] Operation: 90-31=59 Exploring Operation: 45-31=14, Resulting Numbers: [90, 50, 14] Generated Node #0,3: 65:[90, 50, 14] Operation: 45-31=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[31, 50, 2], Operations: ['90/45=2'] Exploring Operation: 31+50=81, Resulting Numbers: [2, 81] Generated Node #0,1,0: 65:[2, 81] Operation: 31+50=81 Exploring Operation: 31*2=62, Resulting Numbers: [50, 62] Generated Node #0,1,1: 65:[50, 62] Operation: 31*2=62 Exploring Operation: 50-31=19, Resulting Numbers: [2, 19] Generated Node #0,1,2: 65:[2, 19] Operation: 50-31=19 Exploring Operation: 50/2=25, Resulting Numbers: [31, 25] Generated Node #0,1,3: 65:[31, 25] Operation: 50/2=25 Moving to Node #0,1,2 Current State: 65:[2, 19], Operations: ['90/45=2', '50-31=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[50, 62], Operations: ['90/45=2', '31*2=62'] Exploring Operation: 50+62=112, Resulting Numbers: [112] 112,65 unequal: No Solution Exploring Operation: 50*62=3100, Resulting Numbers: [3100] 3100,65 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[2, 81], Operations: ['90/45=2', '31+50=81'] Exploring Operation: 2*81=162, Resulting Numbers: [162] 162,65 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[31, 25], Operations: ['90/45=2', '50/2=25'] Exploring Operation: 31*25=775, Resulting Numbers: [775] 775,65 unequal: No Solution Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,65 unequal: No Solution Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,65 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 #0,2 Current State: 65:[45, 50, 59], Operations: ['90-31=59'] Exploring Operation: 45+50=95, Resulting Numbers: [59, 95] Generated Node #0,2,0: 65:[59, 95] Operation: 45+50=95 Exploring Operation: 59-50=9, Resulting Numbers: [45, 9] Generated Node #0,2,1: 65:[45, 9] Operation: 59-50=9 Exploring Operation: 50-45=5, Resulting Numbers: [59, 5] Generated Node #0,2,2: 65:[59, 5] Operation: 50-45=5 Exploring Operation: 59-45=14, Resulting Numbers: [50, 14] Generated Node #0,2,3: 65:[50, 14] Operation: 59-45=14 Moving to Node #0,2,2 Current State: 65:[59, 5], Operations: ['90-31=59', '50-45=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,65 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[50, 14], Operations: ['90-31=59', '59-45=14'] Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[45, 9], Operations: ['90-31=59', '59-50=9'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,65 unequal: No Solution Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,65 unequal: No Solution Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[59, 95], Operations: ['90-31=59', '45+50=95'] Exploring Operation: 59*95=5605, Resulting Numbers: [5605] 5605,65 unequal: No Solution Exploring Operation: 59+95=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 95-59=36, Resulting Numbers: [36] 36,65 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 #0,3 Current State: 65:[90, 50, 14], Operations: ['45-31=14'] Exploring Operation: 90-14=76, Resulting Numbers: [50, 76] Generated Node #0,3,0: 65:[50, 76] Operation: 90-14=76 Exploring Operation: 50+14=64, Resulting Numbers: [90, 64] Generated Node #0,3,1: 65:[90, 64] Operation: 50+14=64 Exploring Operation: 50-14=36, Resulting Numbers: [90, 36] Generated Node #0,3,2: 65:[90, 36] Operation: 50-14=36 Exploring Operation: 90-50=40, Resulting Numbers: [14, 40] Generated Node #0,3,3: 65:[14, 40] Operation: 90-50=40 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[50, 76], Operations: ['45-31=14', '90-14=76'] Exploring Operation: 76-50=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 50*76=3800, Resulting Numbers: [3800] 3800,65 unequal: No Solution Exploring Operation: 50+76=126, Resulting Numbers: [126] 126,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 65:[90, 64], Operations: ['45-31=14', '50+14=64'] Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,65 unequal: No Solution Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[14, 40], Operations: ['45-31=14', '90-50=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 65:[90, 36], Operations: ['45-31=14', '50-14=36'] Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,65 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,65 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[31, 90, 5], Operations: ['50-45=5'] Exploring Operation: 31-5=26, Resulting Numbers: [90, 26] Generated Node #0,0,0: 65:[90, 26] Operation: 31-5=26 Exploring Operation: 90-5=85, Resulting Numbers: [31, 85] Generated Node #0,0,1: 65:[31, 85] Operation: 90-5=85 Exploring Operation: 90/5=18, Resulting Numbers: [31, 18] Generated Node #0,0,2: 65:[31, 18] Operation: 90/5=18 Exploring Operation: 90-31=59, Resulting Numbers: [5, 59] Generated Node #0,0,3: 65:[5, 59] Operation: 90-31=59 Moving to Node #0,0,3 Current State: 65:[5, 59], Operations: ['50-45=5', '90-31=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,65 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[31, 18], Operations: ['50-45=5', '90/5=18'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,65 unequal: No Solution Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[31, 85], Operations: ['50-45=5', '90-5=85'] Exploring Operation: 85-31=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 31+85=116, Resulting Numbers: [116] 116,65 unequal: No Solution Exploring Operation: 31*85=2635, Resulting Numbers: [2635] 2635,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[90, 26], Operations: ['50-45=5', '31-5=26'] Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,65 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,65 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
[ 33, 42, 11, 59 ]
61
[ "42-33=9", "11+59=70", "70-9=61" ]
Current State: 61:[33, 42, 11, 59], Operations: [] Exploring Operation: 42-33=9, Resulting Numbers: [11, 59, 9] Generated Node #2: [11, 59, 9] from Operation: 42-33=9 Current State: 61:[11, 59, 9], Operations: ['42-33=9'] Exploring Operation: 11+59=70, Resulting Numbers: [9, 70] Generated Node #3: [9, 70] from Operation: 11+59=70 Current State: 61:[9, 70], Operations: ['42-33=9', '11+59=70'] Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[33, 42, 11, 59], Operations: [] Exploring Operation: 33+11=44, Resulting Numbers: [42, 59, 44] Generated Node #0,0: 61:[42, 59, 44] Operation: 33+11=44 Moving to Node #0,0 Current State: 61:[42, 59, 44], Operations: ['33+11=44'] Exploring Operation: 42+44=86, Resulting Numbers: [59, 86] Generated Node #0,0,0: 61:[59, 86] Operation: 42+44=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[59, 86], Operations: ['33+11=44', '42+44=86'] Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,61 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
[ 8, 54, 42, 21 ]
25
[ "54-8=46", "42-21=21", "46-21=25" ]
Current State: 25:[8, 54, 42, 21], Operations: [] Exploring Operation: 54-8=46, Resulting Numbers: [42, 21, 46] Generated Node #2: [42, 21, 46] from Operation: 54-8=46 Current State: 25:[42, 21, 46], Operations: ['54-8=46'] Exploring Operation: 42-21=21, Resulting Numbers: [46, 21] Generated Node #3: [46, 21] from Operation: 42-21=21 Current State: 25:[46, 21], Operations: ['54-8=46', '42-21=21'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[8, 54, 42, 21], Operations: [] Exploring Operation: 54-21=33, Resulting Numbers: [8, 42, 33] Generated Node #0,0: 25:[8, 42, 33] Operation: 54-21=33 Exploring Operation: 54-42=12, Resulting Numbers: [8, 21, 12] Generated Node #0,1: 25:[8, 21, 12] Operation: 54-42=12 Exploring Operation: 42-21=21, Resulting Numbers: [8, 54, 21] Generated Node #0,2: 25:[8, 54, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [8, 54, 2] Generated Node #0,3: 25:[8, 54, 2] Operation: 42/21=2 Moving to Node #0,1 Current State: 25:[8, 21, 12], Operations: ['54-42=12'] Exploring Operation: 8+21=29, Resulting Numbers: [12, 29] Generated Node #0,1,0: 25:[12, 29] Operation: 8+21=29 Exploring Operation: 21-12=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 25:[8, 9] Operation: 21-12=9 Exploring Operation: 8+12=20, Resulting Numbers: [21, 20] Generated Node #0,1,2: 25:[21, 20] Operation: 8+12=20 Exploring Operation: 12-8=4, Resulting Numbers: [21, 4] Generated Node #0,1,3: 25:[21, 4] Operation: 12-8=4 Moving to Node #0,0 Current State: 25:[8, 42, 33], Operations: ['54-21=33'] Exploring Operation: 42-8=34, Resulting Numbers: [33, 34] Generated Node #0,0,0: 25:[33, 34] Operation: 42-8=34 Exploring Operation: 42-33=9, Resulting Numbers: [8, 9] Generated Node #0,0,1: 25:[8, 9] Operation: 42-33=9 Exploring Operation: 33-8=25, Resulting Numbers: [42, 25] Generated Node #0,0,2: 25:[42, 25] Operation: 33-8=25 Exploring Operation: 8+42=50, Resulting Numbers: [33, 50] Generated Node #0,0,3: 25:[33, 50] Operation: 8+42=50 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[8, 9], Operations: ['54-21=33', '42-33=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[33, 34], Operations: ['54-21=33', '42-8=34'] Exploring Operation: 33*34=1122, Resulting Numbers: [1122] 1122,25 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[42, 25], Operations: ['54-21=33', '33-8=25'] Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[33, 50], Operations: ['54-21=33', '8+42=50'] Exploring Operation: 33*50=1650, Resulting Numbers: [1650] 1650,25 unequal: No Solution Exploring Operation: 33+50=83, Resulting Numbers: [83] 83,25 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,25 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: 25:[8, 54, 2], Operations: ['42/21=2'] Exploring Operation: 8-2=6, Resulting Numbers: [54, 6] Generated Node #0,3,0: 25:[54, 6] Operation: 8-2=6 Exploring Operation: 8/2=4, Resulting Numbers: [54, 4] Generated Node #0,3,1: 25:[54, 4] Operation: 8/2=4 Exploring Operation: 54/2=27, Resulting Numbers: [8, 27] Generated Node #0,3,2: 25:[8, 27] Operation: 54/2=27 Exploring Operation: 54-8=46, Resulting Numbers: [2, 46] Generated Node #0,3,3: 25:[2, 46] Operation: 54-8=46 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 25:[8, 27], Operations: ['42/21=2', '54/2=27'] Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[2, 46], Operations: ['42/21=2', '54-8=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,25 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,25 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[54, 6], Operations: ['42/21=2', '8-2=6'] Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,25 unequal: No Solution Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,25 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 25:[54, 4], Operations: ['42/21=2', '8/2=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,25 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,25 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,25 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: 25:[8, 54, 21], Operations: ['42-21=21'] Exploring Operation: 21-8=13, Resulting Numbers: [54, 13] Generated Node #0,2,0: 25:[54, 13] Operation: 21-8=13 Exploring Operation: 54-21=33, Resulting Numbers: [8, 33] Generated Node #0,2,1: 25:[8, 33] Operation: 54-21=33 Exploring Operation: 8+21=29, Resulting Numbers: [54, 29] Generated Node #0,2,2: 25:[54, 29] Operation: 8+21=29 Exploring Operation: 54-8=46, Resulting Numbers: [21, 46] Generated Node #0,2,3: 25:[21, 46] Operation: 54-8=46 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[8, 33], Operations: ['42-21=21', '54-21=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[8, 54, 42, 21], Operations: [] Exploring Operation: 42-21=21, Resulting Numbers: [8, 54, 21] Generated Node #0,2: 25:[8, 54, 21] Operation: 42-21=21 Moving to Node #0,2 Current State: 25:[8, 54, 21], Operations: ['42-21=21'] Exploring Operation: 54-21=33, Resulting Numbers: [8, 33] Generated Node #0,2,1: 25:[8, 33] Operation: 54-21=33 Moving to Node #0,2,1 Current State: 25:[8, 33], Operations: ['42-21=21', '54-21=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
sum_heuristic
[ 68, 90, 35, 54 ]
47
[ "35*54=1890", "1890/90=21", "68-21=47" ]
Current State: 47:[68, 90, 35, 54], Operations: [] Exploring Operation: 35*54=1890, Resulting Numbers: [68, 90, 1890] Generated Node #2: [68, 90, 1890] from Operation: 35*54=1890 Current State: 47:[68, 90, 1890], Operations: ['35*54=1890'] Exploring Operation: 1890/90=21, Resulting Numbers: [68, 21] Generated Node #3: [68, 21] from Operation: 1890/90=21 Current State: 47:[68, 21], Operations: ['35*54=1890', '1890/90=21'] Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[68, 90, 35, 54], Operations: [] Exploring Operation: 90-68=22, Resulting Numbers: [35, 54, 22] Generated Node #0,0: 47:[35, 54, 22] Operation: 90-68=22 Exploring Operation: 68-35=33, Resulting Numbers: [90, 54, 33] Generated Node #0,1: 47:[90, 54, 33] Operation: 68-35=33 Exploring Operation: 90-35=55, Resulting Numbers: [68, 54, 55] Generated Node #0,2: 47:[68, 54, 55] Operation: 90-35=55 Exploring Operation: 90-54=36, Resulting Numbers: [68, 35, 36] Generated Node #0,3: 47:[68, 35, 36] Operation: 90-54=36 Moving to Node #0,2 Current State: 47:[68, 54, 55], Operations: ['90-35=55'] Exploring Operation: 68-54=14, Resulting Numbers: [55, 14] Generated Node #0,2,0: 47:[55, 14] Operation: 68-54=14 Exploring Operation: 68-55=13, Resulting Numbers: [54, 13] Generated Node #0,2,1: 47:[54, 13] Operation: 68-55=13 Exploring Operation: 68+54=122, Resulting Numbers: [55, 122] Generated Node #0,2,2: 47:[55, 122] Operation: 68+54=122 Exploring Operation: 55-54=1, Resulting Numbers: [68, 1] Generated Node #0,2,3: 47:[68, 1] Operation: 55-54=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[55, 14], Operations: ['90-35=55', '68-54=14'] Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,47 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[54, 13], Operations: ['90-35=55', '68-55=13'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,47 unequal: No Solution Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[68, 1], Operations: ['90-35=55', '55-54=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 68-1=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 68*1=68, Resulting Numbers: [68] 68,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[55, 122], Operations: ['90-35=55', '68+54=122'] Exploring Operation: 55*122=6710, Resulting Numbers: [6710] 6710,47 unequal: No Solution Exploring Operation: 55+122=177, Resulting Numbers: [177] 177,47 unequal: No Solution Exploring Operation: 122-55=67, Resulting Numbers: [67] 67,47 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: 47:[68, 35, 36], Operations: ['90-54=36'] Exploring Operation: 68-35=33, Resulting Numbers: [36, 33] Generated Node #0,3,0: 47:[36, 33] Operation: 68-35=33 Exploring Operation: 68+35=103, Resulting Numbers: [36, 103] Generated Node #0,3,1: 47:[36, 103] Operation: 68+35=103 Exploring Operation: 35+36=71, Resulting Numbers: [68, 71] Generated Node #0,3,2: 47:[68, 71] Operation: 35+36=71 Exploring Operation: 68-36=32, Resulting Numbers: [35, 32] Generated Node #0,3,3: 47:[35, 32] Operation: 68-36=32 Moving to Node #0,0 Current State: 47:[35, 54, 22], Operations: ['90-68=22'] Exploring Operation: 35+22=57, Resulting Numbers: [54, 57] Generated Node #0,0,0: 47:[54, 57] Operation: 35+22=57 Exploring Operation: 54+22=76, Resulting Numbers: [35, 76] Generated Node #0,0,1: 47:[35, 76] Operation: 54+22=76 Exploring Operation: 54-22=32, Resulting Numbers: [35, 32] Generated Node #0,0,2: 47:[35, 32] Operation: 54-22=32 Exploring Operation: 35-22=13, Resulting Numbers: [54, 13] Generated Node #0,0,3: 47:[54, 13] Operation: 35-22=13 Moving to Node #0,1 Current State: 47:[90, 54, 33], Operations: ['68-35=33'] Exploring Operation: 90+33=123, Resulting Numbers: [54, 123] Generated Node #0,1,0: 47:[54, 123] Operation: 90+33=123 Exploring Operation: 54-33=21, Resulting Numbers: [90, 21] Generated Node #0,1,1: 47:[90, 21] Operation: 54-33=21 Exploring Operation: 90-33=57, Resulting Numbers: [54, 57] Generated Node #0,1,2: 47:[54, 57] Operation: 90-33=57 Exploring Operation: 90-54=36, Resulting Numbers: [33, 36] Generated Node #0,1,3: 47:[33, 36] Operation: 90-54=36 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[54, 57], Operations: ['68-35=33', '90-33=57'] Exploring Operation: 54*57=3078, Resulting Numbers: [3078] 3078,47 unequal: No Solution Exploring Operation: 54+57=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 47:[33, 36], Operations: ['68-35=33', '90-54=36'] Exploring Operation: 33*36=1188, Resulting Numbers: [1188] 1188,47 unequal: No Solution Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[90, 21], Operations: ['68-35=33', '54-33=21'] Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,47 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[54, 123], Operations: ['68-35=33', '90+33=123'] Exploring Operation: 54*123=6642, Resulting Numbers: [6642] 6642,47 unequal: No Solution Exploring Operation: 54+123=177, Resulting Numbers: [177] 177,47 unequal: No Solution Exploring Operation: 123-54=69, Resulting Numbers: [69] 69,47 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: 47:[54, 57], Operations: ['90-68=22', '35+22=57'] Exploring Operation: 54*57=3078, Resulting Numbers: [3078] 3078,47 unequal: No Solution Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 54+57=111, Resulting Numbers: [111] 111,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[36, 33], Operations: ['90-54=36', '68-35=33'] Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,47 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,47 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[35, 32], Operations: ['90-68=22', '54-22=32'] Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,47 unequal: No Solution Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[35, 32], Operations: ['90-54=36', '68-36=32'] Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,47 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[35, 76], Operations: ['90-68=22', '54+22=76'] Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,47 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[54, 13], Operations: ['90-68=22', '35-22=13'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,47 unequal: No Solution Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[68, 71], Operations: ['90-54=36', '35+36=71'] Exploring Operation: 68*71=4828, Resulting Numbers: [4828] 4828,47 unequal: No Solution Exploring Operation: 68+71=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 71-68=3, Resulting Numbers: [3] 3,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[36, 103], Operations: ['90-54=36', '68+35=103'] Exploring Operation: 36*103=3708, Resulting Numbers: [3708] 3708,47 unequal: No Solution Exploring Operation: 36+103=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 103-36=67, Resulting Numbers: [67] 67,47 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 9, 55, 63, 30 ]
99
[ "63-9=54", "55*54=2970", "2970/30=99" ]
Current State: 99:[9, 55, 63, 30], Operations: [] Exploring Operation: 63-9=54, Resulting Numbers: [55, 30, 54] Generated Node #2: [55, 30, 54] from Operation: 63-9=54 Current State: 99:[55, 30, 54], Operations: ['63-9=54'] Exploring Operation: 55*54=2970, Resulting Numbers: [30, 2970] Generated Node #3: [30, 2970] from Operation: 55*54=2970 Current State: 99:[30, 2970], Operations: ['63-9=54', '55*54=2970'] Exploring Operation: 2970/30=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[9, 55, 63, 30], Operations: [] Exploring Operation: 55+63=118, Resulting Numbers: [9, 30, 118] Generated Node #0,0: 99:[9, 30, 118] Operation: 55+63=118 Exploring Operation: 63-55=8, Resulting Numbers: [9, 30, 8] Generated Node #0,1: 99:[9, 30, 8] Operation: 63-55=8 Exploring Operation: 63-30=33, Resulting Numbers: [9, 55, 33] Generated Node #0,2: 99:[9, 55, 33] Operation: 63-30=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[9, 30, 8], Operations: ['63-55=8'] Exploring Operation: 9-8=1, Resulting Numbers: [30, 1] Generated Node #0,1,0: 99:[30, 1] Operation: 9-8=1 Exploring Operation: 30+8=38, Resulting Numbers: [9, 38] Generated Node #0,1,1: 99:[9, 38] Operation: 30+8=38 Exploring Operation: 9+30=39, Resulting Numbers: [8, 39] Generated Node #0,1,2: 99:[8, 39] Operation: 9+30=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[30, 1], Operations: ['63-55=8', '9-8=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,99 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:[9, 38], Operations: ['63-55=8', '30+8=38'] Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 9*38=342, Resulting Numbers: [342] 342,99 unequal: No Solution Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,99 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:[8, 39], Operations: ['63-55=8', '9+30=39'] Exploring Operation: 8+39=47, Resulting Numbers: [47] 47,99 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 8*39=312, Resulting Numbers: [312] 312,99 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 #0,0 Current State: 99:[9, 30, 118], Operations: ['55+63=118'] Exploring Operation: 9+30=39, Resulting Numbers: [118, 39] Generated Node #0,0,0: 99:[118, 39] Operation: 9+30=39 Exploring Operation: 118-9=109, Resulting Numbers: [30, 109] Generated Node #0,0,1: 99:[30, 109] Operation: 118-9=109 Exploring Operation: 118-30=88, Resulting Numbers: [9, 88] Generated Node #0,0,2: 99:[9, 88] Operation: 118-30=88 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[9, 88], Operations: ['55+63=118', '118-30=88'] Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 9*88=792, Resulting Numbers: [792] 792,99 unequal: No Solution Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,99 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 #0,0,1 Current State: 99:[30, 109], Operations: ['55+63=118', '118-9=109'] Exploring Operation: 30+109=139, Resulting Numbers: [139] 139,99 unequal: No Solution Exploring Operation: 109-30=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 30*109=3270, Resulting Numbers: [3270] 3270,99 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 #0,0,0 Current State: 99:[118, 39], Operations: ['55+63=118', '9+30=39'] Exploring Operation: 118+39=157, Resulting Numbers: [157] 157,99 unequal: No Solution Exploring Operation: 118-39=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 118*39=4602, Resulting Numbers: [4602] 4602,99 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 #0,2 Current State: 99:[9, 55, 33], Operations: ['63-30=33'] Exploring Operation: 55-33=22, Resulting Numbers: [9, 22] Generated Node #0,2,0: 99:[9, 22] Operation: 55-33=22 Exploring Operation: 55-9=46, Resulting Numbers: [33, 46] Generated Node #0,2,1: 99:[33, 46] Operation: 55-9=46 Exploring Operation: 55+33=88, Resulting Numbers: [9, 88] Generated Node #0,2,2: 99:[9, 88] Operation: 55+33=88 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[9, 22], Operations: ['63-30=33', '55-33=22'] Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,99 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,99 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:[9, 88], Operations: ['63-30=33', '55+33=88'] Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,99 unequal: No Solution Exploring Operation: 9*88=792, Resulting Numbers: [792] 792,99 unequal: No Solution Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,99 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 #0,2,1 Current State: 99:[33, 46], Operations: ['63-30=33', '55-9=46'] Exploring Operation: 33*46=1518, Resulting Numbers: [1518] 1518,99 unequal: No Solution Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 33+46=79, Resulting Numbers: [79] 79,99 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 No solution found.
0
hs_3
sum_heuristic
[ 40, 30, 35, 52 ]
77
[ "40-30=10", "35+52=87", "87-10=77" ]
Current State: 77:[40, 30, 35, 52], Operations: [] Exploring Operation: 40-30=10, Resulting Numbers: [35, 52, 10] Generated Node #2: [35, 52, 10] from Operation: 40-30=10 Current State: 77:[35, 52, 10], Operations: ['40-30=10'] Exploring Operation: 35+52=87, Resulting Numbers: [10, 87] Generated Node #3: [10, 87] from Operation: 35+52=87 Current State: 77:[10, 87], Operations: ['40-30=10', '35+52=87'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[40, 30, 35, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [30, 35, 12] Generated Node #0,0: 77:[30, 35, 12] Operation: 52-40=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[30, 35, 12], Operations: ['52-40=12'] Exploring Operation: 35-30=5, Resulting Numbers: [12, 5] Generated Node #0,0,0: 77:[12, 5] Operation: 35-30=5 Moving to Node #0,0,0 Current State: 77:[12, 5], Operations: ['52-40=12', '35-30=5'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,77 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
[ 57, 80, 37, 77 ]
73
[ "57-37=20", "80/20=4", "77-4=73" ]
Current State: 73:[57, 80, 37, 77], Operations: [] Exploring Operation: 57-37=20, Resulting Numbers: [80, 77, 20] Generated Node #2: [80, 77, 20] from Operation: 57-37=20 Current State: 73:[80, 77, 20], Operations: ['57-37=20'] Exploring Operation: 80/20=4, Resulting Numbers: [77, 4] Generated Node #3: [77, 4] from Operation: 80/20=4 Current State: 73:[77, 4], Operations: ['57-37=20', '80/20=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[57, 80, 37, 77], Operations: [] Exploring Operation: 57+37=94, Resulting Numbers: [80, 77, 94] Generated Node #0,0: 73:[80, 77, 94] Operation: 57+37=94 Exploring Operation: 80-37=43, Resulting Numbers: [57, 77, 43] Generated Node #0,1: 73:[57, 77, 43] Operation: 80-37=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[80, 77, 94], Operations: ['57+37=94'] Exploring Operation: 94-80=14, Resulting Numbers: [77, 14] Generated Node #0,0,0: 73:[77, 14] Operation: 94-80=14 Exploring Operation: 94-77=17, Resulting Numbers: [80, 17] Generated Node #0,0,1: 73:[80, 17] Operation: 94-77=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[77, 14], Operations: ['57+37=94', '94-80=14'] Exploring Operation: 77-14=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 77+14=91, Resulting Numbers: [91] 91,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[80, 17], Operations: ['57+37=94', '94-77=17'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,73 unequal: No Solution Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[57, 77, 43], Operations: ['80-37=43'] Exploring Operation: 57+43=100, Resulting Numbers: [77, 100] Generated Node #0,1,0: 73:[77, 100] Operation: 57+43=100 Exploring Operation: 77-43=34, Resulting Numbers: [57, 34] Generated Node #0,1,1: 73:[57, 34] Operation: 77-43=34 Moving to Node #0,1,0 Current State: 73:[77, 100], Operations: ['80-37=43', '57+43=100'] Exploring Operation: 77+100=177, Resulting Numbers: [177] 177,73 unequal: No Solution Exploring Operation: 100-77=23, Resulting Numbers: [23] 23,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[57, 34], Operations: ['80-37=43', '77-43=34'] Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,73 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 45, 72, 58, 90 ]
65
[ "90/45=2", "72+58=130", "130/2=65" ]
Current State: 65:[45, 72, 58, 90], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [72, 58, 2] Generated Node #2: [72, 58, 2] from Operation: 90/45=2 Current State: 65:[72, 58, 2], Operations: ['90/45=2'] Exploring Operation: 72+58=130, Resulting Numbers: [2, 130] Generated Node #3: [2, 130] from Operation: 72+58=130 Current State: 65:[2, 130], Operations: ['90/45=2', '72+58=130'] Exploring Operation: 130/2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[45, 72, 58, 90], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [72, 58, 2] Generated Node #0,0: 65:[72, 58, 2] Operation: 90/45=2 Exploring Operation: 90-72=18, Resulting Numbers: [45, 58, 18] Generated Node #0,1: 65:[45, 58, 18] Operation: 90-72=18 Exploring Operation: 58-45=13, Resulting Numbers: [72, 90, 13] Generated Node #0,2: 65:[72, 90, 13] Operation: 58-45=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[72, 58, 2], Operations: ['90/45=2'] Exploring Operation: 58+2=60, Resulting Numbers: [72, 60] Generated Node #0,0,0: 65:[72, 60] Operation: 58+2=60 Exploring Operation: 72-58=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 65:[2, 14] Operation: 72-58=14 Exploring Operation: 72-2=70, Resulting Numbers: [58, 70] Generated Node #0,0,2: 65:[58, 70] Operation: 72-2=70 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[2, 14], Operations: ['90/45=2', '72-58=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,65 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,65 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 #0,0,0 Current State: 65:[72, 60], Operations: ['90/45=2', '58+2=60'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 72+60=132, Resulting Numbers: [132] 132,65 unequal: No Solution Exploring Operation: 72*60=4320, Resulting Numbers: [4320] 4320,65 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 #0,0,2 Current State: 65:[58, 70], Operations: ['90/45=2', '72-2=70'] Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,65 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,65 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,65 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[45, 58, 18], Operations: ['90-72=18'] Exploring Operation: 58-45=13, Resulting Numbers: [18, 13] Generated Node #0,1,0: 65:[18, 13] Operation: 58-45=13 Exploring Operation: 45-18=27, Resulting Numbers: [58, 27] Generated Node #0,1,1: 65:[58, 27] Operation: 45-18=27 Exploring Operation: 45+18=63, Resulting Numbers: [58, 63] Generated Node #0,1,2: 65:[58, 63] Operation: 45+18=63 Moving to Node #0,1,0 Current State: 65:[18, 13], Operations: ['90-72=18', '58-45=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[58, 63], Operations: ['90-72=18', '45+18=63'] Exploring Operation: 58+63=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 58*63=3654, Resulting Numbers: [3654] 3654,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[58, 27], Operations: ['90-72=18', '45-18=27'] Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,65 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,65 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 #0,2 Current State: 65:[72, 90, 13], Operations: ['58-45=13'] Exploring Operation: 90-13=77, Resulting Numbers: [72, 77] Generated Node #0,2,0: 65:[72, 77] Operation: 90-13=77 Exploring Operation: 90-72=18, Resulting Numbers: [13, 18] Generated Node #0,2,1: 65:[13, 18] Operation: 90-72=18 Exploring Operation: 72-13=59, Resulting Numbers: [90, 59] Generated Node #0,2,2: 65:[90, 59] Operation: 72-13=59 Moving to Node #0,2,1 Current State: 65:[13, 18], Operations: ['58-45=13', '90-72=18'] Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,65 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[72, 77], Operations: ['58-45=13', '90-13=77'] Exploring Operation: 72*77=5544, Resulting Numbers: [5544] 5544,65 unequal: No Solution Exploring Operation: 72+77=149, Resulting Numbers: [149] 149,65 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[90, 59], Operations: ['58-45=13', '72-13=59'] Exploring Operation: 90*59=5310, Resulting Numbers: [5310] 5310,65 unequal: No Solution Exploring Operation: 90+59=149, Resulting Numbers: [149] 149,65 unequal: No Solution Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,65 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
[ 34, 99, 39, 23 ]
40
[ "99+39=138", "138/23=6", "34+6=40" ]
Current State: 40:[34, 99, 39, 23], Operations: [] Exploring Operation: 99+39=138, Resulting Numbers: [34, 23, 138] Generated Node #2: [34, 23, 138] from Operation: 99+39=138 Current State: 40:[34, 23, 138], Operations: ['99+39=138'] Exploring Operation: 138/23=6, Resulting Numbers: [34, 6] Generated Node #3: [34, 6] from Operation: 138/23=6 Current State: 40:[34, 6], Operations: ['99+39=138', '138/23=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[34, 99, 39, 23], Operations: [] Exploring Operation: 39-34=5, Resulting Numbers: [99, 23, 5] Generated Node #0,0: 40:[99, 23, 5] Operation: 39-34=5 Exploring Operation: 99-39=60, Resulting Numbers: [34, 23, 60] Generated Node #0,1: 40:[34, 23, 60] Operation: 99-39=60 Exploring Operation: 99-34=65, Resulting Numbers: [39, 23, 65] Generated Node #0,2: 40:[39, 23, 65] Operation: 99-34=65 Exploring Operation: 34-23=11, Resulting Numbers: [99, 39, 11] Generated Node #0,3: 40:[99, 39, 11] Operation: 34-23=11 Exploring Operation: 99-23=76, Resulting Numbers: [34, 39, 76] Generated Node #0,4: 40:[34, 39, 76] Operation: 99-23=76 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[34, 23, 60], Operations: ['99-39=60'] Exploring Operation: 60-23=37, Resulting Numbers: [34, 37] Generated Node #0,1,0: 40:[34, 37] Operation: 60-23=37 Exploring Operation: 60-34=26, Resulting Numbers: [23, 26] Generated Node #0,1,1: 40:[23, 26] Operation: 60-34=26 Exploring Operation: 23+60=83, Resulting Numbers: [34, 83] Generated Node #0,1,2: 40:[34, 83] Operation: 23+60=83 Exploring Operation: 34-23=11, Resulting Numbers: [60, 11] Generated Node #0,1,3: 40:[60, 11] Operation: 34-23=11 Exploring Operation: 34+23=57, Resulting Numbers: [60, 57] Generated Node #0,1,4: 40:[60, 57] Operation: 34+23=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[34, 37], Operations: ['99-39=60', '60-23=37'] Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[23, 26], Operations: ['99-39=60', '60-34=26'] Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,40 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 40:[60, 11], Operations: ['99-39=60', '34-23=11'] Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,40 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 40:[60, 57], Operations: ['99-39=60', '34+23=57'] Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,40 unequal: No Solution Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[34, 83], Operations: ['99-39=60', '23+60=83'] Exploring Operation: 34+83=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 34*83=2822, Resulting Numbers: [2822] 2822,40 unequal: No Solution Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[39, 23, 65], Operations: ['99-34=65'] Exploring Operation: 65-39=26, Resulting Numbers: [23, 26] Generated Node #0,2,0: 40:[23, 26] Operation: 65-39=26 Exploring Operation: 39-23=16, Resulting Numbers: [65, 16] Generated Node #0,2,1: 40:[65, 16] Operation: 39-23=16 Exploring Operation: 39+23=62, Resulting Numbers: [65, 62] Generated Node #0,2,2: 40:[65, 62] Operation: 39+23=62 Exploring Operation: 23+65=88, Resulting Numbers: [39, 88] Generated Node #0,2,3: 40:[39, 88] Operation: 23+65=88 Exploring Operation: 65-23=42, Resulting Numbers: [39, 42] Generated Node #0,2,4: 40:[39, 42] Operation: 65-23=42 Moving to Node #0,2,4 Current State: 40:[39, 42], Operations: ['99-34=65', '65-23=42'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[23, 26], Operations: ['99-34=65', '65-39=26'] Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,40 unequal: No Solution Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[65, 16], Operations: ['99-34=65', '39-23=16'] Exploring Operation: 65*16=1040, Resulting Numbers: [1040] 1040,40 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 65+16=81, Resulting Numbers: [81] 81,40 unequal: No Solution Moving to Node #0,2,2 Current State: 40:[65, 62], Operations: ['99-34=65', '39+23=62'] Exploring Operation: 65-62=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 65*62=4030, Resulting Numbers: [4030] 4030,40 unequal: No Solution Exploring Operation: 65+62=127, Resulting Numbers: [127] 127,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[39, 88], Operations: ['99-34=65', '23+65=88'] Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 39+88=127, Resulting Numbers: [127] 127,40 unequal: No Solution Exploring Operation: 39*88=3432, Resulting Numbers: [3432] 3432,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 40:[34, 39, 76], Operations: ['99-23=76'] Exploring Operation: 39-34=5, Resulting Numbers: [76, 5] Generated Node #0,4,0: 40:[76, 5] Operation: 39-34=5 Exploring Operation: 76-34=42, Resulting Numbers: [39, 42] Generated Node #0,4,1: 40:[39, 42] Operation: 76-34=42 Exploring Operation: 76-39=37, Resulting Numbers: [34, 37] Generated Node #0,4,2: 40:[34, 37] Operation: 76-39=37 Exploring Operation: 34+39=73, Resulting Numbers: [76, 73] Generated Node #0,4,3: 40:[76, 73] Operation: 34+39=73 Exploring Operation: 34+76=110, Resulting Numbers: [39, 110] Generated Node #0,4,4: 40:[39, 110] Operation: 34+76=110 Moving to Node #0,4,1 Current State: 40:[39, 42], Operations: ['99-23=76', '76-34=42'] Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,40 unequal: No Solution Moving to Node #0,4,2 Current State: 40:[34, 37], Operations: ['99-23=76', '76-39=37'] Exploring Operation: 34+37=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 34*37=1258, Resulting Numbers: [1258] 1258,40 unequal: No Solution Moving to Node #0,4,0 Current State: 40:[76, 5], Operations: ['99-23=76', '39-34=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,40 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,40 unequal: No Solution Moving to Node #0,4,3 Current State: 40:[76, 73], Operations: ['99-23=76', '34+39=73'] Exploring Operation: 76+73=149, Resulting Numbers: [149] 149,40 unequal: No Solution Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 76*73=5548, Resulting Numbers: [5548] 5548,40 unequal: No Solution Moving to Node #0,4,4 Current State: 40:[39, 110], Operations: ['99-23=76', '34+76=110'] Exploring Operation: 110-39=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 39*110=4290, Resulting Numbers: [4290] 4290,40 unequal: No Solution Exploring Operation: 39+110=149, Resulting Numbers: [149] 149,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[99, 39, 11], Operations: ['34-23=11'] Exploring Operation: 99/11=9, Resulting Numbers: [39, 9] Generated Node #0,3,0: 40:[39, 9] Operation: 99/11=9 Exploring Operation: 99-11=88, Resulting Numbers: [39, 88] Generated Node #0,3,1: 40:[39, 88] Operation: 99-11=88 Exploring Operation: 99-39=60, Resulting Numbers: [11, 60] Generated Node #0,3,2: 40:[11, 60] Operation: 99-39=60 Exploring Operation: 39-11=28, Resulting Numbers: [99, 28] Generated Node #0,3,3: 40:[99, 28] Operation: 39-11=28 Exploring Operation: 39+11=50, Resulting Numbers: [99, 50] Generated Node #0,3,4: 40:[99, 50] Operation: 39+11=50 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 40:[39, 9], Operations: ['34-23=11', '99/11=9'] Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,40 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,40 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 40:[11, 60], Operations: ['34-23=11', '99-39=60'] Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,40 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 40:[39, 88], Operations: ['34-23=11', '99-11=88'] Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 39*88=3432, Resulting Numbers: [3432] 3432,40 unequal: No Solution Exploring Operation: 39+88=127, Resulting Numbers: [127] 127,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 40:[99, 28], Operations: ['34-23=11', '39-11=28'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 99+28=127, Resulting Numbers: [127] 127,40 unequal: No Solution Exploring Operation: 99*28=2772, Resulting Numbers: [2772] 2772,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 40:[99, 50], Operations: ['34-23=11', '39+11=50'] Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 99+50=149, Resulting Numbers: [149] 149,40 unequal: No Solution Exploring Operation: 99*50=4950, Resulting Numbers: [4950] 4950,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[99, 23, 5], Operations: ['39-34=5'] Exploring Operation: 99-5=94, Resulting Numbers: [23, 94] Generated Node #0,0,0: 40:[23, 94] Operation: 99-5=94 Exploring Operation: 23+5=28, Resulting Numbers: [99, 28] Generated Node #0,0,1: 40:[99, 28] Operation: 23+5=28 Exploring Operation: 99+5=104, Resulting Numbers: [23, 104] Generated Node #0,0,2: 40:[23, 104] Operation: 99+5=104 Exploring Operation: 99-23=76, Resulting Numbers: [5, 76] Generated Node #0,0,3: 40:[5, 76] Operation: 99-23=76 Exploring Operation: 23-5=18, Resulting Numbers: [99, 18] Generated Node #0,0,4: 40:[99, 18] Operation: 23-5=18 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 40:[5, 76], Operations: ['39-34=5', '99-23=76'] Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,40 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[23, 94], Operations: ['39-34=5', '99-5=94'] Exploring Operation: 94-23=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 23+94=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 23*94=2162, Resulting Numbers: [2162] 2162,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 40:[99, 18], Operations: ['39-34=5', '23-5=18'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 99*18=1782, Resulting Numbers: [1782] 1782,40 unequal: No Solution Exploring Operation: 99+18=117, Resulting Numbers: [117] 117,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 40:[99, 28], Operations: ['39-34=5', '23+5=28'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,40 unequal: No Solution Exploring Operation: 99*28=2772, Resulting Numbers: [2772] 2772,40 unequal: No Solution Exploring Operation: 99+28=127, Resulting Numbers: [127] 127,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 40:[23, 104], Operations: ['39-34=5', '99+5=104'] Exploring Operation: 23*104=2392, Resulting Numbers: [2392] 2392,40 unequal: No Solution Exploring Operation: 104-23=81, Resulting Numbers: [81] 81,40 unequal: No Solution Exploring Operation: 23+104=127, Resulting Numbers: [127] 127,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 27, 39, 91, 93 ]
15
[ "93-91=2", "27*2=54", "54-39=15" ]
Current State: 15:[27, 39, 91, 93], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [27, 39, 2] Generated Node #2: [27, 39, 2] from Operation: 93-91=2 Current State: 15:[27, 39, 2], Operations: ['93-91=2'] Exploring Operation: 27*2=54, Resulting Numbers: [39, 54] Generated Node #3: [39, 54] from Operation: 27*2=54 Current State: 15:[39, 54], Operations: ['93-91=2', '27*2=54'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[27, 39, 91, 93], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [27, 39, 2] Generated Node #0,0: 15:[27, 39, 2] Operation: 93-91=2 Moving to Node #0,0 Current State: 15:[27, 39, 2], Operations: ['93-91=2'] Exploring Operation: 39-27=12, Resulting Numbers: [2, 12] Generated Node #0,0,0: 15:[2, 12] Operation: 39-27=12 Moving to Node #0,0,0 Current State: 15:[2, 12], Operations: ['93-91=2', '39-27=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,15 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 71, 92, 56 ]
98
[ "71-21=50", "92+56=148", "148-50=98" ]
Current State: 98:[21, 71, 92, 56], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [92, 56, 50] Generated Node #2: [92, 56, 50] from Operation: 71-21=50 Current State: 98:[92, 56, 50], Operations: ['71-21=50'] Exploring Operation: 92+56=148, Resulting Numbers: [50, 148] Generated Node #3: [50, 148] from Operation: 92+56=148 Current State: 98:[50, 148], Operations: ['71-21=50', '92+56=148'] Exploring Operation: 148-50=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[21, 71, 92, 56], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [21, 92, 15] Generated Node #0,0: 98:[21, 92, 15] Operation: 71-56=15 Exploring Operation: 71-21=50, Resulting Numbers: [92, 56, 50] Generated Node #0,1: 98:[92, 56, 50] Operation: 71-21=50 Exploring Operation: 56-21=35, Resulting Numbers: [71, 92, 35] Generated Node #0,2: 98:[71, 92, 35] Operation: 56-21=35 Exploring Operation: 21+71=92, Resulting Numbers: [92, 56, 92] Generated Node #0,3: 98:[92, 56, 92] Operation: 21+71=92 Exploring Operation: 92-71=21, Resulting Numbers: [21, 56, 21] Generated Node #0,4: 98:[21, 56, 21] Operation: 92-71=21 Moving to Node #0,0 Current State: 98:[21, 92, 15], Operations: ['71-56=15'] Exploring Operation: 92-21=71, Resulting Numbers: [15, 71] Generated Node #0,0,0: 98:[15, 71] Operation: 92-21=71 Exploring Operation: 21-15=6, Resulting Numbers: [92, 6] Generated Node #0,0,1: 98:[92, 6] Operation: 21-15=6 Exploring Operation: 21+92=113, Resulting Numbers: [15, 113] Generated Node #0,0,2: 98:[15, 113] Operation: 21+92=113 Exploring Operation: 21+15=36, Resulting Numbers: [92, 36] Generated Node #0,0,3: 98:[92, 36] Operation: 21+15=36 Exploring Operation: 92+15=107, Resulting Numbers: [21, 107] Generated Node #0,0,4: 98:[21, 107] Operation: 92+15=107 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[92, 6], Operations: ['71-56=15', '21-15=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[21, 71, 92, 56], Operations: [] Exploring Operation: 71-56=15, Resulting Numbers: [21, 92, 15] Generated Node #0,0: 98:[21, 92, 15] Operation: 71-56=15 Moving to Node #0,0 Current State: 98:[21, 92, 15], Operations: ['71-56=15'] Exploring Operation: 21-15=6, Resulting Numbers: [92, 6] Generated Node #0,0,1: 98:[92, 6] Operation: 21-15=6 Moving to Node #0,0,1 Current State: 98:[92, 6], Operations: ['71-56=15', '21-15=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 78, 73, 23, 60 ]
32
[ "78-73=5", "60-23=37", "37-5=32" ]
Current State: 32:[78, 73, 23, 60], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [23, 60, 5] Generated Node #2: [23, 60, 5] from Operation: 78-73=5 Current State: 32:[23, 60, 5], Operations: ['78-73=5'] Exploring Operation: 60-23=37, Resulting Numbers: [5, 37] Generated Node #3: [5, 37] from Operation: 60-23=37 Current State: 32:[5, 37], Operations: ['78-73=5', '60-23=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[78, 73, 23, 60], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [23, 60, 5] Generated Node #0,0: 32:[23, 60, 5] Operation: 78-73=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[23, 60, 5], Operations: ['78-73=5'] Exploring Operation: 60-23=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 32:[5, 37] Operation: 60-23=37 Moving to Node #0,0,0 Current State: 32:[5, 37], Operations: ['78-73=5', '60-23=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[78, 73, 23, 60], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [23, 60, 5] Generated Node #0,0: 32:[23, 60, 5] Operation: 78-73=5 Moving to Node #0,0 Current State: 32:[23, 60, 5], Operations: ['78-73=5'] Exploring Operation: 60-23=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 32:[5, 37] Operation: 60-23=37 Moving to Node #0,0,0 Current State: 32:[5, 37], Operations: ['78-73=5', '60-23=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 58, 94, 58, 3 ]
31
[ "58/58=1", "94-1=93", "93/3=31" ]
Current State: 31:[58, 94, 58, 3], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [94, 3, 1] Generated Node #2: [94, 3, 1] from Operation: 58/58=1 Current State: 31:[94, 3, 1], Operations: ['58/58=1'] Exploring Operation: 94-1=93, Resulting Numbers: [3, 93] Generated Node #3: [3, 93] from Operation: 94-1=93 Current State: 31:[3, 93], Operations: ['58/58=1', '94-1=93'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[58, 94, 58, 3], Operations: [] Exploring Operation: 58-3=55, Resulting Numbers: [94, 58, 55] Generated Node #0,0: 31:[94, 58, 55] Operation: 58-3=55 Exploring Operation: 94-58=36, Resulting Numbers: [58, 3, 36] Generated Node #0,1: 31:[58, 3, 36] Operation: 94-58=36 Exploring Operation: 94-58=36, Resulting Numbers: [58, 3, 36] Generated Node #0,2: 31:[58, 3, 36] Operation: 94-58=36 Moving to Node #0,1 Current State: 31:[58, 3, 36], Operations: ['94-58=36'] Exploring Operation: 58+3=61, Resulting Numbers: [36, 61] Generated Node #0,1,0: 31:[36, 61] Operation: 58+3=61 Exploring Operation: 36-3=33, Resulting Numbers: [58, 33] Generated Node #0,1,1: 31:[58, 33] Operation: 36-3=33 Exploring Operation: 58-3=55, Resulting Numbers: [36, 55] Generated Node #0,1,2: 31:[36, 55] Operation: 58-3=55 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[58, 33], Operations: ['94-58=36', '36-3=33'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,31 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 31:[36, 55], Operations: ['94-58=36', '58-3=55'] Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,31 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[36, 61], Operations: ['94-58=36', '58+3=61'] Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,31 unequal: No Solution Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,31 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: 31:[58, 3, 36], Operations: ['94-58=36'] Exploring Operation: 58+3=61, Resulting Numbers: [36, 61] Generated Node #0,2,0: 31:[36, 61] Operation: 58+3=61 Exploring Operation: 36-3=33, Resulting Numbers: [58, 33] Generated Node #0,2,1: 31:[58, 33] Operation: 36-3=33 Exploring Operation: 58-3=55, Resulting Numbers: [36, 55] Generated Node #0,2,2: 31:[36, 55] Operation: 58-3=55 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[58, 33], Operations: ['94-58=36', '36-3=33'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,31 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[36, 55], Operations: ['94-58=36', '58-3=55'] Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[36, 61], Operations: ['94-58=36', '58+3=61'] Exploring Operation: 61-36=25, Resulting Numbers: [25] 25,31 unequal: No Solution Exploring Operation: 36+61=97, Resulting Numbers: [97] 97,31 unequal: No Solution Exploring Operation: 36*61=2196, Resulting Numbers: [2196] 2196,31 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: 31:[94, 58, 55], Operations: ['58-3=55'] Exploring Operation: 58-55=3, Resulting Numbers: [94, 3] Generated Node #0,0,0: 31:[94, 3] Operation: 58-55=3 Exploring Operation: 94-58=36, Resulting Numbers: [55, 36] Generated Node #0,0,1: 31:[55, 36] Operation: 94-58=36 Exploring Operation: 94-55=39, Resulting Numbers: [58, 39] Generated Node #0,0,2: 31:[58, 39] Operation: 94-55=39 Moving to Node #0,0,1 Current State: 31:[55, 36], Operations: ['58-3=55', '94-58=36'] Exploring Operation: 55*36=1980, Resulting Numbers: [1980] 1980,31 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 55+36=91, Resulting Numbers: [91] 91,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[58, 39], Operations: ['58-3=55', '94-55=39'] Exploring Operation: 58-39=19, Resulting Numbers: [19] 19,31 unequal: No Solution Exploring Operation: 58*39=2262, Resulting Numbers: [2262] 2262,31 unequal: No Solution Exploring Operation: 58+39=97, Resulting Numbers: [97] 97,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[94, 3], Operations: ['58-3=55', '58-55=3'] Exploring Operation: 94+3=97, Resulting Numbers: [97] 97,31 unequal: No Solution Exploring Operation: 94*3=282, Resulting Numbers: [282] 282,31 unequal: No Solution Exploring Operation: 94-3=91, Resulting Numbers: [91] 91,31 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 27, 12, 86 ]
10
[ "70-27=43", "86/43=2", "12-2=10" ]
Current State: 10:[70, 27, 12, 86], Operations: [] Exploring Operation: 70-27=43, Resulting Numbers: [12, 86, 43] Generated Node #2: [12, 86, 43] from Operation: 70-27=43 Current State: 10:[12, 86, 43], Operations: ['70-27=43'] Exploring Operation: 86/43=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 86/43=2 Current State: 10:[12, 2], Operations: ['70-27=43', '86/43=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[70, 27, 12, 86], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [27, 12, 16] Generated Node #0,0: 10:[27, 12, 16] Operation: 86-70=16 Exploring Operation: 70-27=43, Resulting Numbers: [12, 86, 43] Generated Node #0,1: 10:[12, 86, 43] Operation: 70-27=43 Exploring Operation: 70-12=58, Resulting Numbers: [27, 86, 58] Generated Node #0,2: 10:[27, 86, 58] Operation: 70-12=58 Exploring Operation: 86-27=59, Resulting Numbers: [70, 12, 59] Generated Node #0,3: 10:[70, 12, 59] Operation: 86-27=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[27, 12, 16], Operations: ['86-70=16'] Exploring Operation: 27-12=15, Resulting Numbers: [16, 15] Generated Node #0,0,0: 10:[16, 15] Operation: 27-12=15 Exploring Operation: 27+12=39, Resulting Numbers: [16, 39] Generated Node #0,0,1: 10:[16, 39] Operation: 27+12=39 Exploring Operation: 27-16=11, Resulting Numbers: [12, 11] Generated Node #0,0,2: 10:[12, 11] Operation: 27-16=11 Exploring Operation: 16-12=4, Resulting Numbers: [27, 4] Generated Node #0,0,3: 10:[27, 4] Operation: 16-12=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[12, 11], Operations: ['86-70=16', '27-16=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,10 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[16, 15], Operations: ['86-70=16', '27-12=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,10 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,10 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 10:[27, 4], Operations: ['86-70=16', '16-12=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,10 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[16, 39], Operations: ['86-70=16', '27+12=39'] Exploring Operation: 16*39=624, Resulting Numbers: [624] 624,10 unequal: No Solution Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[12, 86, 43], Operations: ['70-27=43'] Exploring Operation: 86-12=74, Resulting Numbers: [43, 74] Generated Node #0,1,0: 10:[43, 74] Operation: 86-12=74 Exploring Operation: 86/43=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 10:[12, 2] Operation: 86/43=2 Exploring Operation: 43-12=31, Resulting Numbers: [86, 31] Generated Node #0,1,2: 10:[86, 31] Operation: 43-12=31 Exploring Operation: 86-43=43, Resulting Numbers: [12, 43] Generated Node #0,1,3: 10:[12, 43] Operation: 86-43=43 Moving to Node #0,1,1 Current State: 10:[12, 2], Operations: ['70-27=43', '86/43=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[70, 27, 12, 86], Operations: [] Exploring Operation: 70-27=43, Resulting Numbers: [12, 86, 43] Generated Node #0,1: 10:[12, 86, 43] Operation: 70-27=43 Moving to Node #0,1 Current State: 10:[12, 86, 43], Operations: ['70-27=43'] Exploring Operation: 86/43=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 10:[12, 2] Operation: 86/43=2 Moving to Node #0,1,1 Current State: 10:[12, 2], Operations: ['70-27=43', '86/43=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 11, 16, 30, 51 ]
48
[ "11+16=27", "51-30=21", "27+21=48" ]
Current State: 48:[11, 16, 30, 51], Operations: [] Exploring Operation: 11+16=27, Resulting Numbers: [30, 51, 27] Generated Node #2: [30, 51, 27] from Operation: 11+16=27 Current State: 48:[30, 51, 27], Operations: ['11+16=27'] Exploring Operation: 51-30=21, Resulting Numbers: [27, 21] Generated Node #3: [27, 21] from Operation: 51-30=21 Current State: 48:[27, 21], Operations: ['11+16=27', '51-30=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[11, 16, 30, 51], Operations: [] Exploring Operation: 30-11=19, Resulting Numbers: [16, 51, 19] Generated Node #0,0: 48:[16, 51, 19] Operation: 30-11=19 Exploring Operation: 16+30=46, Resulting Numbers: [11, 51, 46] Generated Node #0,1: 48:[11, 51, 46] Operation: 16+30=46 Exploring Operation: 51-30=21, Resulting Numbers: [11, 16, 21] Generated Node #0,2: 48:[11, 16, 21] Operation: 51-30=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[11, 16, 21], Operations: ['51-30=21'] Exploring Operation: 16-11=5, Resulting Numbers: [21, 5] Generated Node #0,2,0: 48:[21, 5] Operation: 16-11=5 Exploring Operation: 21-11=10, Resulting Numbers: [16, 10] Generated Node #0,2,1: 48:[16, 10] Operation: 21-11=10 Exploring Operation: 21-16=5, Resulting Numbers: [11, 5] Generated Node #0,2,2: 48:[11, 5] Operation: 21-16=5 Moving to Node #0,2,1 Current State: 48:[16, 10], Operations: ['51-30=21', '21-11=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[11, 5], Operations: ['51-30=21', '21-16=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,48 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[21, 5], Operations: ['51-30=21', '16-11=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,48 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[16, 51, 19], Operations: ['30-11=19'] Exploring Operation: 51-19=32, Resulting Numbers: [16, 32] Generated Node #0,0,0: 48:[16, 32] Operation: 51-19=32 Exploring Operation: 19-16=3, Resulting Numbers: [51, 3] Generated Node #0,0,1: 48:[51, 3] Operation: 19-16=3 Exploring Operation: 51-16=35, Resulting Numbers: [19, 35] Generated Node #0,0,2: 48:[19, 35] Operation: 51-16=35 Moving to Node #0,0,1 Current State: 48:[51, 3], Operations: ['30-11=19', '19-16=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,48 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[11, 16, 30, 51], Operations: [] Exploring Operation: 30-11=19, Resulting Numbers: [16, 51, 19] Generated Node #0,0: 48:[16, 51, 19] Operation: 30-11=19 Moving to Node #0,0 Current State: 48:[16, 51, 19], Operations: ['30-11=19'] Exploring Operation: 19-16=3, Resulting Numbers: [51, 3] Generated Node #0,0,1: 48:[51, 3] Operation: 19-16=3 Moving to Node #0,0,1 Current State: 48:[51, 3], Operations: ['30-11=19', '19-16=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 44, 99, 21, 57 ]
88
[ "99-57=42", "44*42=1848", "1848/21=88" ]
Current State: 88:[44, 99, 21, 57], Operations: [] Exploring Operation: 99-57=42, Resulting Numbers: [44, 21, 42] Generated Node #2: [44, 21, 42] from Operation: 99-57=42 Current State: 88:[44, 21, 42], Operations: ['99-57=42'] Exploring Operation: 44*42=1848, Resulting Numbers: [21, 1848] Generated Node #3: [21, 1848] from Operation: 44*42=1848 Current State: 88:[21, 1848], Operations: ['99-57=42', '44*42=1848'] Exploring Operation: 1848/21=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[44, 99, 21, 57], Operations: [] Exploring Operation: 99-57=42, Resulting Numbers: [44, 21, 42] Generated Node #0,0: 88:[44, 21, 42] Operation: 99-57=42 Exploring Operation: 57-21=36, Resulting Numbers: [44, 99, 36] Generated Node #0,1: 88:[44, 99, 36] Operation: 57-21=36 Exploring Operation: 57-44=13, Resulting Numbers: [99, 21, 13] Generated Node #0,2: 88:[99, 21, 13] Operation: 57-44=13 Exploring Operation: 21+57=78, Resulting Numbers: [44, 99, 78] Generated Node #0,3: 88:[44, 99, 78] Operation: 21+57=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[44, 21, 42], Operations: ['99-57=42'] Exploring Operation: 44-21=23, Resulting Numbers: [42, 23] Generated Node #0,0,0: 88:[42, 23] Operation: 44-21=23 Exploring Operation: 44-42=2, Resulting Numbers: [21, 2] Generated Node #0,0,1: 88:[21, 2] Operation: 44-42=2 Exploring Operation: 42-21=21, Resulting Numbers: [44, 21] Generated Node #0,0,2: 88:[44, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [44, 2] Generated Node #0,0,3: 88:[44, 2] Operation: 42/21=2 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[44, 2], Operations: ['99-57=42', '42/21=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[44, 99, 21, 57], Operations: [] Exploring Operation: 99-57=42, Resulting Numbers: [44, 21, 42] Generated Node #0,0: 88:[44, 21, 42] Operation: 99-57=42 Moving to Node #0,0 Current State: 88:[44, 21, 42], Operations: ['99-57=42'] Exploring Operation: 42/21=2, Resulting Numbers: [44, 2] Generated Node #0,0,3: 88:[44, 2] Operation: 42/21=2 Moving to Node #0,0,3 Current State: 88:[44, 2], Operations: ['99-57=42', '42/21=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 15, 46, 27, 3 ]
92
[ "27+3=30", "30/15=2", "46*2=92" ]
Current State: 92:[15, 46, 27, 3], Operations: [] Exploring Operation: 27+3=30, Resulting Numbers: [15, 46, 30] Generated Node #2: [15, 46, 30] from Operation: 27+3=30 Current State: 92:[15, 46, 30], Operations: ['27+3=30'] Exploring Operation: 30/15=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 30/15=2 Current State: 92:[46, 2], Operations: ['27+3=30', '30/15=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[15, 46, 27, 3], Operations: [] Exploring Operation: 15+27=42, Resulting Numbers: [46, 3, 42] Generated Node #0,0: 92:[46, 3, 42] Operation: 15+27=42 Moving to Node #0,0 Current State: 92:[46, 3, 42], Operations: ['15+27=42'] Exploring Operation: 46-42=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 92:[3, 4] Operation: 46-42=4 Moving to Node #0,0,0 Current State: 92:[3, 4], Operations: ['15+27=42', '46-42=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,92 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 22, 41, 20, 3 ]
15
[ "41-20=21", "21/3=7", "22-7=15" ]
Current State: 15:[22, 41, 20, 3], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [22, 3, 21] Generated Node #2: [22, 3, 21] from Operation: 41-20=21 Current State: 15:[22, 3, 21], Operations: ['41-20=21'] Exploring Operation: 21/3=7, Resulting Numbers: [22, 7] Generated Node #3: [22, 7] from Operation: 21/3=7 Current State: 15:[22, 7], Operations: ['41-20=21', '21/3=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[22, 41, 20, 3], Operations: [] Exploring Operation: 22-3=19, Resulting Numbers: [41, 20, 19] Generated Node #0,0: 15:[41, 20, 19] Operation: 22-3=19 Exploring Operation: 22-20=2, Resulting Numbers: [41, 3, 2] Generated Node #0,1: 15:[41, 3, 2] Operation: 22-20=2 Exploring Operation: 41-20=21, Resulting Numbers: [22, 3, 21] Generated Node #0,2: 15:[22, 3, 21] Operation: 41-20=21 Exploring Operation: 41-22=19, Resulting Numbers: [20, 3, 19] Generated Node #0,3: 15:[20, 3, 19] Operation: 41-22=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[20, 3, 19], Operations: ['41-22=19'] Exploring Operation: 20-19=1, Resulting Numbers: [3, 1] Generated Node #0,3,0: 15:[3, 1] Operation: 20-19=1 Exploring Operation: 19-3=16, Resulting Numbers: [20, 16] Generated Node #0,3,1: 15:[20, 16] Operation: 19-3=16 Exploring Operation: 20-3=17, Resulting Numbers: [19, 17] Generated Node #0,3,2: 15:[19, 17] Operation: 20-3=17 Exploring Operation: 20+3=23, Resulting Numbers: [19, 23] Generated Node #0,3,3: 15:[19, 23] Operation: 20+3=23 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 15:[3, 1], Operations: ['41-22=19', '20-19=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,15 unequal: No Solution No 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: 15:[20, 16], Operations: ['41-22=19', '19-3=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,15 unequal: No Solution No 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: 15:[19, 17], Operations: ['41-22=19', '20-3=17'] Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,15 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,15 unequal: No Solution No 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: 15:[19, 23], Operations: ['41-22=19', '20+3=23'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,15 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: 15:[22, 3, 21], Operations: ['41-20=21'] Exploring Operation: 21-3=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 15:[22, 18] Operation: 21-3=18 Exploring Operation: 22-3=19, Resulting Numbers: [21, 19] Generated Node #0,2,1: 15:[21, 19] Operation: 22-3=19 Exploring Operation: 22-21=1, Resulting Numbers: [3, 1] Generated Node #0,2,2: 15:[3, 1] Operation: 22-21=1 Exploring Operation: 21/3=7, Resulting Numbers: [22, 7] Generated Node #0,2,3: 15:[22, 7] Operation: 21/3=7 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[3, 1], Operations: ['41-20=21', '22-21=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,15 unequal: No Solution No 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: 15:[22, 7], Operations: ['41-20=21', '21/3=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[22, 41, 20, 3], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [22, 3, 21] Generated Node #0,2: 15:[22, 3, 21] Operation: 41-20=21 Moving to Node #0,2 Current State: 15:[22, 3, 21], Operations: ['41-20=21'] Exploring Operation: 21/3=7, Resulting Numbers: [22, 7] Generated Node #0,2,3: 15:[22, 7] Operation: 21/3=7 Moving to Node #0,2,3 Current State: 15:[22, 7], Operations: ['41-20=21', '21/3=7'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 83, 48, 38, 19 ]
33
[ "83-48=35", "38/19=2", "35-2=33" ]
Current State: 33:[83, 48, 38, 19], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [38, 19, 35] Generated Node #2: [38, 19, 35] from Operation: 83-48=35 Current State: 33:[38, 19, 35], Operations: ['83-48=35'] Exploring Operation: 38/19=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 38/19=2 Current State: 33:[35, 2], Operations: ['83-48=35', '38/19=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[83, 48, 38, 19], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [38, 19, 35] Generated Node #0,0: 33:[38, 19, 35] Operation: 83-48=35 Exploring Operation: 83-38=45, Resulting Numbers: [48, 19, 45] Generated Node #0,1: 33:[48, 19, 45] Operation: 83-38=45 Exploring Operation: 48-38=10, Resulting Numbers: [83, 19, 10] Generated Node #0,2: 33:[83, 19, 10] Operation: 48-38=10 Exploring Operation: 83-19=64, Resulting Numbers: [48, 38, 64] Generated Node #0,3: 33:[48, 38, 64] Operation: 83-19=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[38, 19, 35], Operations: ['83-48=35'] Exploring Operation: 38-35=3, Resulting Numbers: [19, 3] Generated Node #0,0,0: 33:[19, 3] Operation: 38-35=3 Exploring Operation: 38-19=19, Resulting Numbers: [35, 19] Generated Node #0,0,1: 33:[35, 19] Operation: 38-19=19 Exploring Operation: 38/19=2, Resulting Numbers: [35, 2] Generated Node #0,0,2: 33:[35, 2] Operation: 38/19=2 Exploring Operation: 35-19=16, Resulting Numbers: [38, 16] Generated Node #0,0,3: 33:[38, 16] Operation: 35-19=16 Moving to Node #0,0,2 Current State: 33:[35, 2], Operations: ['83-48=35', '38/19=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[83, 48, 38, 19], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [38, 19, 35] Generated Node #0,0: 33:[38, 19, 35] Operation: 83-48=35 Moving to Node #0,0 Current State: 33:[38, 19, 35], Operations: ['83-48=35'] Exploring Operation: 38/19=2, Resulting Numbers: [35, 2] Generated Node #0,0,2: 33:[35, 2] Operation: 38/19=2 Moving to Node #0,0,2 Current State: 33:[35, 2], Operations: ['83-48=35', '38/19=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 3, 54, 95, 13 ]
18
[ "95-54=41", "13+41=54", "54/3=18" ]
Current State: 18:[3, 54, 95, 13], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [3, 13, 41] Generated Node #2: [3, 13, 41] from Operation: 95-54=41 Current State: 18:[3, 13, 41], Operations: ['95-54=41'] Exploring Operation: 13+41=54, Resulting Numbers: [3, 54] Generated Node #3: [3, 54] from Operation: 13+41=54 Current State: 18:[3, 54], Operations: ['95-54=41', '13+41=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[3, 54, 95, 13], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [3, 13, 41] Generated Node #0,0: 18:[3, 13, 41] Operation: 95-54=41 Exploring Operation: 54/3=18, Resulting Numbers: [95, 13, 18] Generated Node #0,1: 18:[95, 13, 18] Operation: 54/3=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[3, 13, 41], Operations: ['95-54=41'] Exploring Operation: 41-13=28, Resulting Numbers: [3, 28] Generated Node #0,0,0: 18:[3, 28] Operation: 41-13=28 Exploring Operation: 13-3=10, Resulting Numbers: [41, 10] Generated Node #0,0,1: 18:[41, 10] Operation: 13-3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[3, 28], Operations: ['95-54=41', '41-13=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,18 unequal: No Solution Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,18 unequal: No Solution No 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: 18:[41, 10], Operations: ['95-54=41', '13-3=10'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,18 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: 18:[95, 13, 18], Operations: ['54/3=18'] Exploring Operation: 95-13=82, Resulting Numbers: [18, 82] Generated Node #0,1,0: 18:[18, 82] Operation: 95-13=82 Exploring Operation: 95-18=77, Resulting Numbers: [13, 77] Generated Node #0,1,1: 18:[13, 77] Operation: 95-18=77 Moving to Node #0,1,1 Current State: 18:[13, 77], Operations: ['54/3=18', '95-18=77'] Exploring Operation: 13+77=90, Resulting Numbers: [90] 90,18 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[18, 82], Operations: ['54/3=18', '95-13=82'] Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 18+82=100, Resulting Numbers: [100] 100,18 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
[ 92, 87, 48, 68 ]
15
[ "92-87=5", "68-48=20", "20-5=15" ]
Current State: 15:[92, 87, 48, 68], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [48, 68, 5] Generated Node #2: [48, 68, 5] from Operation: 92-87=5 Current State: 15:[48, 68, 5], Operations: ['92-87=5'] Exploring Operation: 68-48=20, Resulting Numbers: [5, 20] Generated Node #3: [5, 20] from Operation: 68-48=20 Current State: 15:[5, 20], Operations: ['92-87=5', '68-48=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[92, 87, 48, 68], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [87, 48, 24] Generated Node #0,0: 15:[87, 48, 24] Operation: 92-68=24 Exploring Operation: 92-87=5, Resulting Numbers: [48, 68, 5] Generated Node #0,1: 15:[48, 68, 5] Operation: 92-87=5 Moving to Node #0,1 Current State: 15:[48, 68, 5], Operations: ['92-87=5'] Exploring Operation: 68-48=20, Resulting Numbers: [5, 20] Generated Node #0,1,0: 15:[5, 20] Operation: 68-48=20 Exploring Operation: 48-5=43, Resulting Numbers: [68, 43] Generated Node #0,1,1: 15:[68, 43] Operation: 48-5=43 Moving to Node #0,0 Current State: 15:[87, 48, 24], Operations: ['92-68=24'] Exploring Operation: 48/24=2, Resulting Numbers: [87, 2] Generated Node #0,0,0: 15:[87, 2] Operation: 48/24=2 Exploring Operation: 87-48=39, Resulting Numbers: [24, 39] Generated Node #0,0,1: 15:[24, 39] Operation: 87-48=39 Moving to Node #0,1,0 Current State: 15:[5, 20], Operations: ['92-87=5', '68-48=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[92, 87, 48, 68], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [48, 68, 5] Generated Node #0,1: 15:[48, 68, 5] Operation: 92-87=5 Moving to Node #0,1 Current State: 15:[48, 68, 5], Operations: ['92-87=5'] Exploring Operation: 68-48=20, Resulting Numbers: [5, 20] Generated Node #0,1,0: 15:[5, 20] Operation: 68-48=20 Moving to Node #0,1,0 Current State: 15:[5, 20], Operations: ['92-87=5', '68-48=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 20, 28, 5, 41 ]
34
[ "20/5=4", "28/4=7", "41-7=34" ]
Current State: 34:[20, 28, 5, 41], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [28, 41, 4] Generated Node #2: [28, 41, 4] from Operation: 20/5=4 Current State: 34:[28, 41, 4], Operations: ['20/5=4'] Exploring Operation: 28/4=7, Resulting Numbers: [41, 7] Generated Node #3: [41, 7] from Operation: 28/4=7 Current State: 34:[41, 7], Operations: ['20/5=4', '28/4=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[20, 28, 5, 41], Operations: [] Exploring Operation: 41-28=13, Resulting Numbers: [20, 5, 13] Generated Node #0,0: 34:[20, 5, 13] Operation: 41-28=13 Exploring Operation: 28+5=33, Resulting Numbers: [20, 41, 33] Generated Node #0,1: 34:[20, 41, 33] Operation: 28+5=33 Moving to Node #0,0 Current State: 34:[20, 5, 13], Operations: ['41-28=13'] Exploring Operation: 20+13=33, Resulting Numbers: [5, 33] Generated Node #0,0,0: 34:[5, 33] Operation: 20+13=33 Exploring Operation: 5+13=18, Resulting Numbers: [20, 18] Generated Node #0,0,1: 34:[20, 18] Operation: 5+13=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[5, 33], Operations: ['41-28=13', '20+13=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,34 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:[20, 18], Operations: ['41-28=13', '5+13=18'] Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,34 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:[20, 41, 33], Operations: ['28+5=33'] Exploring Operation: 41-33=8, Resulting Numbers: [20, 8] Generated Node #0,1,0: 34:[20, 8] Operation: 41-33=8 Exploring Operation: 41-20=21, Resulting Numbers: [33, 21] Generated Node #0,1,1: 34:[33, 21] Operation: 41-20=21 Moving to Node #0,1,1 Current State: 34:[33, 21], Operations: ['28+5=33', '41-20=21'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,34 unequal: No Solution Moving to Node #0,1,0 Current State: 34:[20, 8], Operations: ['28+5=33', '41-33=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,34 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 83, 2, 77, 66 ]
69
[ "83-77=6", "6/2=3", "66+3=69" ]
Current State: 69:[83, 2, 77, 66], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [2, 66, 6] Generated Node #2: [2, 66, 6] from Operation: 83-77=6 Current State: 69:[2, 66, 6], Operations: ['83-77=6'] Exploring Operation: 6/2=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 6/2=3 Current State: 69:[66, 3], Operations: ['83-77=6', '6/2=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[83, 2, 77, 66], Operations: [] Exploring Operation: 2+66=68, Resulting Numbers: [83, 77, 68] Generated Node #0,0: 69:[83, 77, 68] Operation: 2+66=68 Exploring Operation: 77-2=75, Resulting Numbers: [83, 66, 75] Generated Node #0,1: 69:[83, 66, 75] Operation: 77-2=75 Exploring Operation: 83-66=17, Resulting Numbers: [2, 77, 17] Generated Node #0,2: 69:[2, 77, 17] Operation: 83-66=17 Exploring Operation: 83-77=6, Resulting Numbers: [2, 66, 6] Generated Node #0,3: 69:[2, 66, 6] Operation: 83-77=6 Exploring Operation: 83-2=81, Resulting Numbers: [77, 66, 81] Generated Node #0,4: 69:[77, 66, 81] Operation: 83-2=81 Moving to Node #0,3 Current State: 69:[2, 66, 6], Operations: ['83-77=6'] Exploring Operation: 6/2=3, Resulting Numbers: [66, 3] Generated Node #0,3,0: 69:[66, 3] Operation: 6/2=3 Exploring Operation: 2+66=68, Resulting Numbers: [6, 68] Generated Node #0,3,1: 69:[6, 68] Operation: 2+66=68 Exploring Operation: 66+6=72, Resulting Numbers: [2, 72] Generated Node #0,3,2: 69:[2, 72] Operation: 66+6=72 Exploring Operation: 6-2=4, Resulting Numbers: [66, 4] Generated Node #0,3,3: 69:[66, 4] Operation: 6-2=4 Exploring Operation: 66-2=64, Resulting Numbers: [6, 64] Generated Node #0,3,4: 69:[6, 64] Operation: 66-2=64 Moving to Node #0,2 Current State: 69:[2, 77, 17], Operations: ['83-66=17'] Exploring Operation: 77-17=60, Resulting Numbers: [2, 60] Generated Node #0,2,0: 69:[2, 60] Operation: 77-17=60 Exploring Operation: 2+77=79, Resulting Numbers: [17, 79] Generated Node #0,2,1: 69:[17, 79] Operation: 2+77=79 Exploring Operation: 2+17=19, Resulting Numbers: [77, 19] Generated Node #0,2,2: 69:[77, 19] Operation: 2+17=19 Exploring Operation: 77-2=75, Resulting Numbers: [17, 75] Generated Node #0,2,3: 69:[17, 75] Operation: 77-2=75 Exploring Operation: 17-2=15, Resulting Numbers: [77, 15] Generated Node #0,2,4: 69:[77, 15] Operation: 17-2=15 Moving to Node #0,0 Current State: 69:[83, 77, 68], Operations: ['2+66=68'] Exploring Operation: 83-68=15, Resulting Numbers: [77, 15] Generated Node #0,0,0: 69:[77, 15] Operation: 83-68=15 Exploring Operation: 77-68=9, Resulting Numbers: [83, 9] Generated Node #0,0,1: 69:[83, 9] Operation: 77-68=9 Exploring Operation: 83+68=151, Resulting Numbers: [77, 151] Generated Node #0,0,2: 69:[77, 151] Operation: 83+68=151 Exploring Operation: 77+68=145, Resulting Numbers: [83, 145] Generated Node #0,0,3: 69:[83, 145] Operation: 77+68=145 Exploring Operation: 83-77=6, Resulting Numbers: [68, 6] Generated Node #0,0,4: 69:[68, 6] Operation: 83-77=6 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 69:[68, 6], Operations: ['2+66=68', '83-77=6'] Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,69 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,69 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[77, 15], Operations: ['2+66=68', '83-68=15'] Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,69 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[83, 9], Operations: ['2+66=68', '77-68=9'] Exploring Operation: 83*9=747, Resulting Numbers: [747] 747,69 unequal: No Solution Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,69 unequal: No Solution Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[77, 151], Operations: ['2+66=68', '83+68=151'] Exploring Operation: 77*151=11627, Resulting Numbers: [11627] 11627,69 unequal: No Solution Exploring Operation: 77+151=228, Resulting Numbers: [228] 228,69 unequal: No Solution Exploring Operation: 151-77=74, Resulting Numbers: [74] 74,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[83, 145], Operations: ['2+66=68', '77+68=145'] Exploring Operation: 83+145=228, Resulting Numbers: [228] 228,69 unequal: No Solution Exploring Operation: 145-83=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 83*145=12035, Resulting Numbers: [12035] 12035,69 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: 69:[83, 66, 75], Operations: ['77-2=75'] Exploring Operation: 66+75=141, Resulting Numbers: [83, 141] Generated Node #0,1,0: 69:[83, 141] Operation: 66+75=141 Exploring Operation: 83-66=17, Resulting Numbers: [75, 17] Generated Node #0,1,1: 69:[75, 17] Operation: 83-66=17 Exploring Operation: 75-66=9, Resulting Numbers: [83, 9] Generated Node #0,1,2: 69:[83, 9] Operation: 75-66=9 Exploring Operation: 83+66=149, Resulting Numbers: [75, 149] Generated Node #0,1,3: 69:[75, 149] Operation: 83+66=149 Exploring Operation: 83-75=8, Resulting Numbers: [66, 8] Generated Node #0,1,4: 69:[66, 8] Operation: 83-75=8 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 69:[66, 8], Operations: ['77-2=75', '83-75=8'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,69 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[75, 17], Operations: ['77-2=75', '83-66=17'] Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,69 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,69 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[83, 9], Operations: ['77-2=75', '75-66=9'] Exploring Operation: 83*9=747, Resulting Numbers: [747] 747,69 unequal: No Solution Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,69 unequal: No Solution Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[83, 141], Operations: ['77-2=75', '66+75=141'] Exploring Operation: 83+141=224, Resulting Numbers: [224] 224,69 unequal: No Solution Exploring Operation: 141-83=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 83*141=11703, Resulting Numbers: [11703] 11703,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 69:[75, 149], Operations: ['77-2=75', '83+66=149'] Exploring Operation: 75*149=11175, Resulting Numbers: [11175] 11175,69 unequal: No Solution Exploring Operation: 149-75=74, Resulting Numbers: [74] 74,69 unequal: No Solution Exploring Operation: 75+149=224, Resulting Numbers: [224] 224,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 69:[77, 66, 81], Operations: ['83-2=81'] Exploring Operation: 81-66=15, Resulting Numbers: [77, 15] Generated Node #0,4,0: 69:[77, 15] Operation: 81-66=15 Exploring Operation: 81-77=4, Resulting Numbers: [66, 4] Generated Node #0,4,1: 69:[66, 4] Operation: 81-77=4 Exploring Operation: 77-66=11, Resulting Numbers: [81, 11] Generated Node #0,4,2: 69:[81, 11] Operation: 77-66=11 Exploring Operation: 66+81=147, Resulting Numbers: [77, 147] Generated Node #0,4,3: 69:[77, 147] Operation: 66+81=147 Exploring Operation: 77+66=143, Resulting Numbers: [81, 143] Generated Node #0,4,4: 69:[81, 143] Operation: 77+66=143 Moving to Node #0,3,0 Current State: 69:[66, 3], Operations: ['83-77=6', '6/2=3'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,69 unequal: No Solution Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,69 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,69 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[83, 2, 77, 66], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [2, 66, 6] Generated Node #0,3: 69:[2, 66, 6] Operation: 83-77=6 Moving to Node #0,3 Current State: 69:[2, 66, 6], Operations: ['83-77=6'] Exploring Operation: 6/2=3, Resulting Numbers: [66, 3] Generated Node #0,3,0: 69:[66, 3] Operation: 6/2=3 Moving to Node #0,3,0 Current State: 69:[66, 3], Operations: ['83-77=6', '6/2=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.940972
hs_5
mult_heuristic
[ 48, 4, 46, 58 ]
29
[ "48-4=44", "46-44=2", "58/2=29" ]
Current State: 29:[48, 4, 46, 58], Operations: [] Exploring Operation: 48-4=44, Resulting Numbers: [46, 58, 44] Generated Node #2: [46, 58, 44] from Operation: 48-4=44 Current State: 29:[46, 58, 44], Operations: ['48-4=44'] Exploring Operation: 46-44=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 46-44=2 Current State: 29:[58, 2], Operations: ['48-4=44', '46-44=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[48, 4, 46, 58], Operations: [] Exploring Operation: 48-4=44, Resulting Numbers: [46, 58, 44] Generated Node #0,0: 29:[46, 58, 44] Operation: 48-4=44 Moving to Node #0,0 Current State: 29:[46, 58, 44], Operations: ['48-4=44'] Exploring Operation: 58-46=12, Resulting Numbers: [44, 12] Generated Node #0,0,0: 29:[44, 12] Operation: 58-46=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[44, 12], Operations: ['48-4=44', '58-46=12'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,29 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
[ 62, 5, 91, 12 ]
93
[ "62+91=153", "5*12=60", "153-60=93" ]
Current State: 93:[62, 5, 91, 12], Operations: [] Exploring Operation: 62+91=153, Resulting Numbers: [5, 12, 153] Generated Node #2: [5, 12, 153] from Operation: 62+91=153 Current State: 93:[5, 12, 153], Operations: ['62+91=153'] Exploring Operation: 5*12=60, Resulting Numbers: [153, 60] Generated Node #3: [153, 60] from Operation: 5*12=60 Current State: 93:[153, 60], Operations: ['62+91=153', '5*12=60'] Exploring Operation: 153-60=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[62, 5, 91, 12], Operations: [] Exploring Operation: 62+5=67, Resulting Numbers: [91, 12, 67] Generated Node #0,0: 93:[91, 12, 67] Operation: 62+5=67 Exploring Operation: 91-62=29, Resulting Numbers: [5, 12, 29] Generated Node #0,1: 93:[5, 12, 29] Operation: 91-62=29 Exploring Operation: 62-12=50, Resulting Numbers: [5, 91, 50] Generated Node #0,2: 93:[5, 91, 50] Operation: 62-12=50 Exploring Operation: 62+12=74, Resulting Numbers: [5, 91, 74] Generated Node #0,3: 93:[5, 91, 74] Operation: 62+12=74 Moving to Node #0,1 Current State: 93:[5, 12, 29], Operations: ['91-62=29'] Exploring Operation: 5+29=34, Resulting Numbers: [12, 34] Generated Node #0,1,0: 93:[12, 34] Operation: 5+29=34 Exploring Operation: 5+12=17, Resulting Numbers: [29, 17] Generated Node #0,1,1: 93:[29, 17] Operation: 5+12=17 Exploring Operation: 12-5=7, Resulting Numbers: [29, 7] Generated Node #0,1,2: 93:[29, 7] Operation: 12-5=7 Exploring Operation: 12+29=41, Resulting Numbers: [5, 41] Generated Node #0,1,3: 93:[5, 41] Operation: 12+29=41 Moving to Node #0,3 Current State: 93:[5, 91, 74], Operations: ['62+12=74'] Exploring Operation: 5+74=79, Resulting Numbers: [91, 79] Generated Node #0,3,0: 93:[91, 79] Operation: 5+74=79 Exploring Operation: 91-74=17, Resulting Numbers: [5, 17] Generated Node #0,3,1: 93:[5, 17] Operation: 91-74=17 Exploring Operation: 91-5=86, Resulting Numbers: [74, 86] Generated Node #0,3,2: 93:[74, 86] Operation: 91-5=86 Exploring Operation: 5+91=96, Resulting Numbers: [74, 96] Generated Node #0,3,3: 93:[74, 96] Operation: 5+91=96 Moving to Node #0,2 Current State: 93:[5, 91, 50], Operations: ['62-12=50'] Exploring Operation: 91-50=41, Resulting Numbers: [5, 41] Generated Node #0,2,0: 93:[5, 41] Operation: 91-50=41 Exploring Operation: 5+91=96, Resulting Numbers: [50, 96] Generated Node #0,2,1: 93:[50, 96] Operation: 5+91=96 Exploring Operation: 50-5=45, Resulting Numbers: [91, 45] Generated Node #0,2,2: 93:[91, 45] Operation: 50-5=45 Exploring Operation: 50/5=10, Resulting Numbers: [91, 10] Generated Node #0,2,3: 93:[91, 10] Operation: 50/5=10 Moving to Node #0,0 Current State: 93:[91, 12, 67], Operations: ['62+5=67'] Exploring Operation: 91-67=24, Resulting Numbers: [12, 24] Generated Node #0,0,0: 93:[12, 24] Operation: 91-67=24 Exploring Operation: 91+12=103, Resulting Numbers: [67, 103] Generated Node #0,0,1: 93:[67, 103] Operation: 91+12=103 Exploring Operation: 67-12=55, Resulting Numbers: [91, 55] Generated Node #0,0,2: 93:[91, 55] Operation: 67-12=55 Exploring Operation: 12+67=79, Resulting Numbers: [91, 79] Generated Node #0,0,3: 93:[91, 79] Operation: 12+67=79 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[12, 24], Operations: ['62+5=67', '91-67=24'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 12*24=288, Resulting Numbers: [288] 288,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[91, 79], Operations: ['62+5=67', '12+67=79'] Exploring Operation: 91*79=7189, Resulting Numbers: [7189] 7189,93 unequal: No Solution Exploring Operation: 91+79=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 91-79=12, Resulting Numbers: [12] 12,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[91, 55], Operations: ['62+5=67', '67-12=55'] Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,93 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,93 unequal: No Solution Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[67, 103], Operations: ['62+5=67', '91+12=103'] Exploring Operation: 103-67=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 67*103=6901, Resulting Numbers: [6901] 6901,93 unequal: No Solution Exploring Operation: 67+103=170, Resulting Numbers: [170] 170,93 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: 93:[29, 7], Operations: ['91-62=29', '12-5=7'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,93 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[91, 10], Operations: ['62-12=50', '50/5=10'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,93 unequal: No Solution Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[5, 41], Operations: ['91-62=29', '12+29=41'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[5, 41], Operations: ['62-12=50', '91-50=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,93 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[12, 34], Operations: ['91-62=29', '5+29=34'] Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 12*34=408, Resulting Numbers: [408] 408,93 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[5, 17], Operations: ['62+12=74', '91-74=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[91, 45], Operations: ['62-12=50', '50-5=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,93 unequal: No Solution Exploring Operation: 91+45=136, Resulting Numbers: [136] 136,93 unequal: No Solution Exploring Operation: 91*45=4095, Resulting Numbers: [4095] 4095,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[91, 79], Operations: ['62+12=74', '5+74=79'] Exploring Operation: 91*79=7189, Resulting Numbers: [7189] 7189,93 unequal: No Solution Exploring Operation: 91+79=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 91-79=12, Resulting Numbers: [12] 12,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[29, 17], Operations: ['91-62=29', '5+12=17'] Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,93 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,3,3 Current State: 93:[74, 96], Operations: ['62+12=74', '5+91=96'] Exploring Operation: 74+96=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 96-74=22, Resulting Numbers: [22] 22,93 unequal: No Solution Exploring Operation: 74*96=7104, Resulting Numbers: [7104] 7104,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[50, 96], Operations: ['62-12=50', '5+91=96'] Exploring Operation: 50+96=146, Resulting Numbers: [146] 146,93 unequal: No Solution Exploring Operation: 50*96=4800, Resulting Numbers: [4800] 4800,93 unequal: No Solution Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[74, 86], Operations: ['62+12=74', '91-5=86'] Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,93 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,93 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 36, 80, 34, 48 ]
18
[ "80-34=46", "48-46=2", "36/2=18" ]
Current State: 18:[36, 80, 34, 48], Operations: [] Exploring Operation: 80-34=46, Resulting Numbers: [36, 48, 46] Generated Node #2: [36, 48, 46] from Operation: 80-34=46 Current State: 18:[36, 48, 46], Operations: ['80-34=46'] Exploring Operation: 48-46=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 48-46=2 Current State: 18:[36, 2], Operations: ['80-34=46', '48-46=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[36, 80, 34, 48], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [34, 48, 44] Generated Node #0,0: 18:[34, 48, 44] Operation: 80-36=44 Exploring Operation: 80-48=32, Resulting Numbers: [36, 34, 32] Generated Node #0,1: 18:[36, 34, 32] Operation: 80-48=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[36, 34, 32], Operations: ['80-48=32'] Exploring Operation: 36-32=4, Resulting Numbers: [34, 4] Generated Node #0,1,0: 18:[34, 4] Operation: 36-32=4 Exploring Operation: 36-34=2, Resulting Numbers: [32, 2] Generated Node #0,1,1: 18:[32, 2] Operation: 36-34=2 Moving to Node #0,1,1 Current State: 18:[32, 2], Operations: ['80-48=32', '36-34=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[34, 4], Operations: ['80-48=32', '36-32=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,18 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 Current State: 18:[34, 48, 44], Operations: ['80-36=44'] Exploring Operation: 48-34=14, Resulting Numbers: [44, 14] Generated Node #0,0,0: 18:[44, 14] Operation: 48-34=14 Exploring Operation: 48-44=4, Resulting Numbers: [34, 4] Generated Node #0,0,1: 18:[34, 4] Operation: 48-44=4 Moving to Node #0,0,1 Current State: 18:[34, 4], Operations: ['80-36=44', '48-44=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,18 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[44, 14], Operations: ['80-36=44', '48-34=14'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,18 unequal: No Solution Exploring Operation: 44+14=58, Resulting Numbers: [58] 58,18 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
[ 78, 24, 37, 37 ]
28
[ "78+24=102", "37+37=74", "102-74=28" ]
Current State: 28:[78, 24, 37, 37], Operations: [] Exploring Operation: 78+24=102, Resulting Numbers: [37, 37, 102] Generated Node #2: [37, 37, 102] from Operation: 78+24=102 Current State: 28:[37, 37, 102], Operations: ['78+24=102'] Exploring Operation: 37+37=74, Resulting Numbers: [102, 74] Generated Node #3: [102, 74] from Operation: 37+37=74 Current State: 28:[102, 74], Operations: ['78+24=102', '37+37=74'] Exploring Operation: 102-74=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[78, 24, 37, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [24, 37, 41] Generated Node #0,0: 28:[24, 37, 41] Operation: 78-37=41 Exploring Operation: 78-37=41, Resulting Numbers: [24, 37, 41] Generated Node #0,1: 28:[24, 37, 41] Operation: 78-37=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[24, 37, 41], Operations: ['78-37=41'] Exploring Operation: 41-24=17, Resulting Numbers: [37, 17] Generated Node #0,0,0: 28:[37, 17] Operation: 41-24=17 Exploring Operation: 41-37=4, Resulting Numbers: [24, 4] Generated Node #0,0,1: 28:[24, 4] Operation: 41-37=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 28:[24, 4], Operations: ['78-37=41', '41-37=4'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[78, 24, 37, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [24, 37, 41] Generated Node #0,0: 28:[24, 37, 41] Operation: 78-37=41 Moving to Node #0,0 Current State: 28:[24, 37, 41], Operations: ['78-37=41'] Exploring Operation: 41-37=4, Resulting Numbers: [24, 4] Generated Node #0,0,1: 28:[24, 4] Operation: 41-37=4 Moving to Node #0,0,1 Current State: 28:[24, 4], Operations: ['78-37=41', '41-37=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic