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
[ 12, 10, 16, 76 ]
58
[ "12-10=2", "76-16=60", "60-2=58" ]
Current State: 58:[12, 10, 16, 76], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [16, 76, 2] Generated Node #2: [16, 76, 2] from Operation: 12-10=2 Current State: 58:[16, 76, 2], Operations: ['12-10=2'] Exploring Operation: 76-16=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 76-16=60 Current State: 58:[2, 60], Operations: ['12-10=2', '76-16=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[12, 10, 16, 76], Operations: [] Exploring Operation: 12+16=28, Resulting Numbers: [10, 76, 28] Generated Node #0,0: 58:[10, 76, 28] Operation: 12+16=28 Exploring Operation: 76-16=60, Resulting Numbers: [12, 10, 60] Generated Node #0,1: 58:[12, 10, 60] Operation: 76-16=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[12, 10, 60], Operations: ['76-16=60'] Exploring Operation: 12+10=22, Resulting Numbers: [60, 22] Generated Node #0,1,0: 58:[60, 22] Operation: 12+10=22 Exploring Operation: 12-10=2, Resulting Numbers: [60, 2] Generated Node #0,1,1: 58:[60, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[60, 2], Operations: ['76-16=60', '12-10=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[12, 10, 16, 76], Operations: [] Exploring Operation: 76-16=60, Resulting Numbers: [12, 10, 60] Generated Node #0,1: 58:[12, 10, 60] Operation: 76-16=60 Moving to Node #0,1 Current State: 58:[12, 10, 60], Operations: ['76-16=60'] Exploring Operation: 12-10=2, Resulting Numbers: [60, 2] Generated Node #0,1,1: 58:[60, 2] Operation: 12-10=2 Moving to Node #0,1,1 Current State: 58:[60, 2], Operations: ['76-16=60', '12-10=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 95, 47, 87, 54 ]
81
[ "95-47=48", "87-54=33", "48+33=81" ]
Current State: 81:[95, 47, 87, 54], Operations: [] Exploring Operation: 95-47=48, Resulting Numbers: [87, 54, 48] Generated Node #2: [87, 54, 48] from Operation: 95-47=48 Current State: 81:[87, 54, 48], Operations: ['95-47=48'] Exploring Operation: 87-54=33, Resulting Numbers: [48, 33] Generated Node #3: [48, 33] from Operation: 87-54=33 Current State: 81:[48, 33], Operations: ['95-47=48', '87-54=33'] Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[95, 47, 87, 54], Operations: [] Exploring Operation: 47+54=101, Resulting Numbers: [95, 87, 101] Generated Node #0,0: 81:[95, 87, 101] Operation: 47+54=101 Exploring Operation: 95-54=41, Resulting Numbers: [47, 87, 41] Generated Node #0,1: 81:[47, 87, 41] Operation: 95-54=41 Exploring Operation: 87-54=33, Resulting Numbers: [95, 47, 33] Generated Node #0,2: 81:[95, 47, 33] Operation: 87-54=33 Exploring Operation: 54-47=7, Resulting Numbers: [95, 87, 7] Generated Node #0,3: 81:[95, 87, 7] Operation: 54-47=7 Moving to Node #0,3 Current State: 81:[95, 87, 7], Operations: ['54-47=7'] Exploring Operation: 95+7=102, Resulting Numbers: [87, 102] Generated Node #0,3,0: 81:[87, 102] Operation: 95+7=102 Exploring Operation: 87-7=80, Resulting Numbers: [95, 80] Generated Node #0,3,1: 81:[95, 80] Operation: 87-7=80 Exploring Operation: 95-7=88, Resulting Numbers: [87, 88] Generated Node #0,3,2: 81:[87, 88] Operation: 95-7=88 Exploring Operation: 95-87=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 81:[7, 8] Operation: 95-87=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[7, 8], Operations: ['54-47=7', '95-87=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[87, 88], Operations: ['54-47=7', '95-7=88'] Exploring Operation: 87*88=7656, Resulting Numbers: [7656] 7656,81 unequal: No Solution Exploring Operation: 87+88=175, Resulting Numbers: [175] 175,81 unequal: No Solution Exploring Operation: 88-87=1, Resulting Numbers: [1] 1,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 81:[95, 80], Operations: ['54-47=7', '87-7=80'] Exploring Operation: 95+80=175, Resulting Numbers: [175] 175,81 unequal: No Solution Exploring Operation: 95-80=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 95*80=7600, Resulting Numbers: [7600] 7600,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 81:[87, 102], Operations: ['54-47=7', '95+7=102'] Exploring Operation: 87+102=189, Resulting Numbers: [189] 189,81 unequal: No Solution Exploring Operation: 102-87=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 87*102=8874, Resulting Numbers: [8874] 8874,81 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: 81:[47, 87, 41], Operations: ['95-54=41'] Exploring Operation: 87-41=46, Resulting Numbers: [47, 46] Generated Node #0,1,0: 81:[47, 46] Operation: 87-41=46 Exploring Operation: 87-47=40, Resulting Numbers: [41, 40] Generated Node #0,1,1: 81:[41, 40] Operation: 87-47=40 Exploring Operation: 47-41=6, Resulting Numbers: [87, 6] Generated Node #0,1,2: 81:[87, 6] Operation: 47-41=6 Exploring Operation: 47+41=88, Resulting Numbers: [87, 88] Generated Node #0,1,3: 81:[87, 88] Operation: 47+41=88 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[87, 6], Operations: ['95-54=41', '47-41=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,81 unequal: No Solution Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[95, 47, 87, 54], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [47, 87, 41] Generated Node #0,1: 81:[47, 87, 41] Operation: 95-54=41 Moving to Node #0,1 Current State: 81:[47, 87, 41], Operations: ['95-54=41'] Exploring Operation: 47-41=6, Resulting Numbers: [87, 6] Generated Node #0,1,2: 81:[87, 6] Operation: 47-41=6 Moving to Node #0,1,2 Current State: 81:[87, 6], Operations: ['95-54=41', '47-41=6'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 1, 19, 64, 25 ]
19
[ "1+19=20", "64-25=39", "39-20=19" ]
Current State: 19:[1, 19, 64, 25], Operations: [] Exploring Operation: 1+19=20, Resulting Numbers: [64, 25, 20] Generated Node #2: [64, 25, 20] from Operation: 1+19=20 Current State: 19:[64, 25, 20], Operations: ['1+19=20'] Exploring Operation: 64-25=39, Resulting Numbers: [20, 39] Generated Node #3: [20, 39] from Operation: 64-25=39 Current State: 19:[20, 39], Operations: ['1+19=20', '64-25=39'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[1, 19, 64, 25], Operations: [] Exploring Operation: 25-1=24, Resulting Numbers: [19, 64, 24] Generated Node #0,0: 19:[19, 64, 24] Operation: 25-1=24 Exploring Operation: 64-25=39, Resulting Numbers: [1, 19, 39] Generated Node #0,1: 19:[1, 19, 39] Operation: 64-25=39 Exploring Operation: 64-1=63, Resulting Numbers: [19, 25, 63] Generated Node #0,2: 19:[19, 25, 63] Operation: 64-1=63 Moving to Node #0,1 Current State: 19:[1, 19, 39], Operations: ['64-25=39'] Exploring Operation: 39-1=38, Resulting Numbers: [19, 38] Generated Node #0,1,0: 19:[19, 38] Operation: 39-1=38 Exploring Operation: 1*19=19, Resulting Numbers: [39, 19] Generated Node #0,1,1: 19:[39, 19] Operation: 1*19=19 Exploring Operation: 39-19=20, Resulting Numbers: [1, 20] Generated Node #0,1,2: 19:[1, 20] Operation: 39-19=20 Moving to Node #0,0 Current State: 19:[19, 64, 24], Operations: ['25-1=24'] Exploring Operation: 24-19=5, Resulting Numbers: [64, 5] Generated Node #0,0,0: 19:[64, 5] Operation: 24-19=5 Exploring Operation: 64-24=40, Resulting Numbers: [19, 40] Generated Node #0,0,1: 19:[19, 40] Operation: 64-24=40 Exploring Operation: 64-19=45, Resulting Numbers: [24, 45] Generated Node #0,0,2: 19:[24, 45] Operation: 64-19=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[19, 40], Operations: ['25-1=24', '64-24=40'] Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,19 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,19 unequal: No Solution Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,19 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 #0,0,2 Current State: 19:[24, 45], Operations: ['25-1=24', '64-19=45'] Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,19 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,19 unequal: No Solution Exploring Operation: 45-24=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 #0,0,0 Current State: 19:[64, 5], Operations: ['25-1=24', '24-19=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,19 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,19 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,19 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: 19:[19, 25, 63], Operations: ['64-1=63'] Exploring Operation: 25-19=6, Resulting Numbers: [63, 6] Generated Node #0,2,0: 19:[63, 6] Operation: 25-19=6 Exploring Operation: 63-19=44, Resulting Numbers: [25, 44] Generated Node #0,2,1: 19:[25, 44] Operation: 63-19=44 Exploring Operation: 63-25=38, Resulting Numbers: [19, 38] Generated Node #0,2,2: 19:[19, 38] Operation: 63-25=38 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[19, 38], Operations: ['64-1=63', '63-25=38'] Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,19 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[1, 19, 64, 25], Operations: [] Exploring Operation: 64-1=63, Resulting Numbers: [19, 25, 63] Generated Node #0,2: 19:[19, 25, 63] Operation: 64-1=63 Moving to Node #0,2 Current State: 19:[19, 25, 63], Operations: ['64-1=63'] Exploring Operation: 63-25=38, Resulting Numbers: [19, 38] Generated Node #0,2,2: 19:[19, 38] Operation: 63-25=38 Moving to Node #0,2,2 Current State: 19:[19, 38], Operations: ['64-1=63', '63-25=38'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 7, 8, 4, 92 ]
88
[ "8-7=1", "92-4=88", "1*88=88" ]
Current State: 88:[7, 8, 4, 92], Operations: [] Exploring Operation: 8-7=1, Resulting Numbers: [4, 92, 1] Generated Node #2: [4, 92, 1] from Operation: 8-7=1 Current State: 88:[4, 92, 1], Operations: ['8-7=1'] Exploring Operation: 92-4=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 92-4=88 Current State: 88:[1, 88], Operations: ['8-7=1', '92-4=88'] Exploring Operation: 1*88=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[7, 8, 4, 92], Operations: [] Exploring Operation: 92-7=85, Resulting Numbers: [8, 4, 85] Generated Node #0,0: 88:[8, 4, 85] Operation: 92-7=85 Exploring Operation: 92/4=23, Resulting Numbers: [7, 8, 23] Generated Node #0,1: 88:[7, 8, 23] Operation: 92/4=23 Exploring Operation: 92-4=88, Resulting Numbers: [7, 8, 88] Generated Node #0,2: 88:[7, 8, 88] Operation: 92-4=88 Moving to Node #0,2 Current State: 88:[7, 8, 88], Operations: ['92-4=88'] Exploring Operation: 8-7=1, Resulting Numbers: [88, 1] Generated Node #0,2,0: 88:[88, 1] Operation: 8-7=1 Exploring Operation: 7+8=15, Resulting Numbers: [88, 15] Generated Node #0,2,1: 88:[88, 15] Operation: 7+8=15 Exploring Operation: 88/8=11, Resulting Numbers: [7, 11] Generated Node #0,2,2: 88:[7, 11] Operation: 88/8=11 Moving to Node #0,1 Current State: 88:[7, 8, 23], Operations: ['92/4=23'] Exploring Operation: 7+8=15, Resulting Numbers: [23, 15] Generated Node #0,1,0: 88:[23, 15] Operation: 7+8=15 Exploring Operation: 23-7=16, Resulting Numbers: [8, 16] Generated Node #0,1,1: 88:[8, 16] Operation: 23-7=16 Exploring Operation: 8-7=1, Resulting Numbers: [23, 1] Generated Node #0,1,2: 88:[23, 1] Operation: 8-7=1 Moving to Node #0,0 Current State: 88:[8, 4, 85], Operations: ['92-7=85'] Exploring Operation: 8-4=4, Resulting Numbers: [85, 4] Generated Node #0,0,0: 88:[85, 4] Operation: 8-4=4 Exploring Operation: 4+85=89, Resulting Numbers: [8, 89] Generated Node #0,0,1: 88:[8, 89] Operation: 4+85=89 Exploring Operation: 8/4=2, Resulting Numbers: [85, 2] Generated Node #0,0,2: 88:[85, 2] Operation: 8/4=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[8, 89], Operations: ['92-7=85', '4+85=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,88 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,88 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:[85, 4], Operations: ['92-7=85', '8-4=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,88 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:[85, 2], Operations: ['92-7=85', '8/4=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,88 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 88:[88, 1], Operations: ['92-4=88', '8-7=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[7, 8, 4, 92], Operations: [] Exploring Operation: 92-4=88, Resulting Numbers: [7, 8, 88] Generated Node #0,2: 88:[7, 8, 88] Operation: 92-4=88 Moving to Node #0,2 Current State: 88:[7, 8, 88], Operations: ['92-4=88'] Exploring Operation: 8-7=1, Resulting Numbers: [88, 1] Generated Node #0,2,0: 88:[88, 1] Operation: 8-7=1 Moving to Node #0,2,0 Current State: 88:[88, 1], Operations: ['92-4=88', '8-7=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 54, 36, 84, 42 ]
48
[ "54+36=90", "84-42=42", "90-42=48" ]
Current State: 48:[54, 36, 84, 42], Operations: [] Exploring Operation: 54+36=90, Resulting Numbers: [84, 42, 90] Generated Node #2: [84, 42, 90] from Operation: 54+36=90 Current State: 48:[84, 42, 90], Operations: ['54+36=90'] Exploring Operation: 84-42=42, Resulting Numbers: [90, 42] Generated Node #3: [90, 42] from Operation: 84-42=42 Current State: 48:[90, 42], Operations: ['54+36=90', '84-42=42'] Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[54, 36, 84, 42], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [36, 42, 30] Generated Node #0,0: 48:[36, 42, 30] Operation: 84-54=30 Exploring Operation: 84-36=48, Resulting Numbers: [54, 42, 48] Generated Node #0,1: 48:[54, 42, 48] Operation: 84-36=48 Exploring Operation: 84/42=2, Resulting Numbers: [54, 36, 2] Generated Node #0,2: 48:[54, 36, 2] Operation: 84/42=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[54, 42, 48], Operations: ['84-36=48'] Exploring Operation: 54-48=6, Resulting Numbers: [42, 6] Generated Node #0,1,0: 48:[42, 6] Operation: 54-48=6 Exploring Operation: 48-42=6, Resulting Numbers: [54, 6] Generated Node #0,1,1: 48:[54, 6] Operation: 48-42=6 Exploring Operation: 54-42=12, Resulting Numbers: [48, 12] Generated Node #0,1,2: 48:[48, 12] Operation: 54-42=12 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[48, 12], Operations: ['84-36=48', '54-42=12'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 48+12=60, Resulting Numbers: [60] 60,48 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[42, 6], Operations: ['84-36=48', '54-48=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[54, 36, 84, 42], Operations: [] Exploring Operation: 84-36=48, Resulting Numbers: [54, 42, 48] Generated Node #0,1: 48:[54, 42, 48] Operation: 84-36=48 Moving to Node #0,1 Current State: 48:[54, 42, 48], Operations: ['84-36=48'] Exploring Operation: 54-48=6, Resulting Numbers: [42, 6] Generated Node #0,1,0: 48:[42, 6] Operation: 54-48=6 Moving to Node #0,1,0 Current State: 48:[42, 6], Operations: ['84-36=48', '54-48=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 23, 39, 26, 46 ]
13
[ "23+26=49", "49-46=3", "39/3=13" ]
Current State: 13:[23, 39, 26, 46], Operations: [] Exploring Operation: 23+26=49, Resulting Numbers: [39, 46, 49] Generated Node #2: [39, 46, 49] from Operation: 23+26=49 Current State: 13:[39, 46, 49], Operations: ['23+26=49'] Exploring Operation: 49-46=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 49-46=3 Current State: 13:[39, 3], Operations: ['23+26=49', '49-46=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[23, 39, 26, 46], Operations: [] Exploring Operation: 46-26=20, Resulting Numbers: [23, 39, 20] Generated Node #0,0: 13:[23, 39, 20] Operation: 46-26=20 Exploring Operation: 39-23=16, Resulting Numbers: [26, 46, 16] Generated Node #0,1: 13:[26, 46, 16] Operation: 39-23=16 Exploring Operation: 39-26=13, Resulting Numbers: [23, 46, 13] Generated Node #0,2: 13:[23, 46, 13] Operation: 39-26=13 Exploring Operation: 46-39=7, Resulting Numbers: [23, 26, 7] Generated Node #0,3: 13:[23, 26, 7] Operation: 46-39=7 Moving to Node #0,3 Current State: 13:[23, 26, 7], Operations: ['46-39=7'] Exploring Operation: 26-23=3, Resulting Numbers: [7, 3] Generated Node #0,3,0: 13:[7, 3] Operation: 26-23=3 Exploring Operation: 26-7=19, Resulting Numbers: [23, 19] Generated Node #0,3,1: 13:[23, 19] Operation: 26-7=19 Exploring Operation: 23+7=30, Resulting Numbers: [26, 30] Generated Node #0,3,2: 13:[26, 30] Operation: 23+7=30 Exploring Operation: 23-7=16, Resulting Numbers: [26, 16] Generated Node #0,3,3: 13:[26, 16] Operation: 23-7=16 Moving to Node #0,2 Current State: 13:[23, 46, 13], Operations: ['39-26=13'] Exploring Operation: 46/23=2, Resulting Numbers: [13, 2] Generated Node #0,2,0: 13:[13, 2] Operation: 46/23=2 Exploring Operation: 23-13=10, Resulting Numbers: [46, 10] Generated Node #0,2,1: 13:[46, 10] Operation: 23-13=10 Exploring Operation: 46-23=23, Resulting Numbers: [13, 23] Generated Node #0,2,2: 13:[13, 23] Operation: 46-23=23 Exploring Operation: 46-13=33, Resulting Numbers: [23, 33] Generated Node #0,2,3: 13:[23, 33] Operation: 46-13=33 Moving to Node #0,0 Current State: 13:[23, 39, 20], Operations: ['46-26=20'] Exploring Operation: 39-23=16, Resulting Numbers: [20, 16] Generated Node #0,0,0: 13:[20, 16] Operation: 39-23=16 Exploring Operation: 39-20=19, Resulting Numbers: [23, 19] Generated Node #0,0,1: 13:[23, 19] Operation: 39-20=19 Exploring Operation: 23-20=3, Resulting Numbers: [39, 3] Generated Node #0,0,2: 13:[39, 3] Operation: 23-20=3 Exploring Operation: 23+39=62, Resulting Numbers: [20, 62] Generated Node #0,0,3: 13:[20, 62] Operation: 23+39=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[20, 16], Operations: ['46-26=20', '39-23=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[23, 19], Operations: ['46-26=20', '39-20=19'] Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,13 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[39, 3], Operations: ['46-26=20', '23-20=3'] Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,13 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[23, 39, 26, 46], Operations: [] Exploring Operation: 46-26=20, Resulting Numbers: [23, 39, 20] Generated Node #0,0: 13:[23, 39, 20] Operation: 46-26=20 Moving to Node #0,0 Current State: 13:[23, 39, 20], Operations: ['46-26=20'] Exploring Operation: 23-20=3, Resulting Numbers: [39, 3] Generated Node #0,0,2: 13:[39, 3] Operation: 23-20=3 Moving to Node #0,0,2 Current State: 13:[39, 3], Operations: ['46-26=20', '23-20=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 70, 10, 40, 4 ]
96
[ "70-10=60", "40-4=36", "60+36=96" ]
Current State: 96:[70, 10, 40, 4], Operations: [] Exploring Operation: 70-10=60, Resulting Numbers: [40, 4, 60] Generated Node #2: [40, 4, 60] from Operation: 70-10=60 Current State: 96:[40, 4, 60], Operations: ['70-10=60'] Exploring Operation: 40-4=36, Resulting Numbers: [60, 36] Generated Node #3: [60, 36] from Operation: 40-4=36 Current State: 96:[60, 36], Operations: ['70-10=60', '40-4=36'] Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[70, 10, 40, 4], Operations: [] Exploring Operation: 70+40=110, Resulting Numbers: [10, 4, 110] Generated Node #0,0: 96:[10, 4, 110] Operation: 70+40=110 Exploring Operation: 70/10=7, Resulting Numbers: [40, 4, 7] Generated Node #0,1: 96:[40, 4, 7] Operation: 70/10=7 Exploring Operation: 70-40=30, Resulting Numbers: [10, 4, 30] Generated Node #0,2: 96:[10, 4, 30] Operation: 70-40=30 Moving to Node #0,2 Current State: 96:[10, 4, 30], Operations: ['70-40=30'] Exploring Operation: 30/10=3, Resulting Numbers: [4, 3] Generated Node #0,2,0: 96:[4, 3] Operation: 30/10=3 Exploring Operation: 10-4=6, Resulting Numbers: [30, 6] Generated Node #0,2,1: 96:[30, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [30, 14] Generated Node #0,2,2: 96:[30, 14] Operation: 10+4=14 Moving to Node #0,1 Current State: 96:[40, 4, 7], Operations: ['70/10=7'] Exploring Operation: 40/4=10, Resulting Numbers: [7, 10] Generated Node #0,1,0: 96:[7, 10] Operation: 40/4=10 Exploring Operation: 40-7=33, Resulting Numbers: [4, 33] Generated Node #0,1,1: 96:[4, 33] Operation: 40-7=33 Exploring Operation: 40+7=47, Resulting Numbers: [4, 47] Generated Node #0,1,2: 96:[4, 47] Operation: 40+7=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[4, 33], Operations: ['70/10=7', '40-7=33'] Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,96 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,96 unequal: No Solution Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,96 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 #0,1,2 Current State: 96:[4, 47], Operations: ['70/10=7', '40+7=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,96 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,96 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:[7, 10], Operations: ['70/10=7', '40/4=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,96 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:[10, 4, 110], Operations: ['70+40=110'] Exploring Operation: 110-10=100, Resulting Numbers: [4, 100] Generated Node #0,0,0: 96:[4, 100] Operation: 110-10=100 Exploring Operation: 110-4=106, Resulting Numbers: [10, 106] Generated Node #0,0,1: 96:[10, 106] Operation: 110-4=106 Exploring Operation: 110/10=11, Resulting Numbers: [4, 11] Generated Node #0,0,2: 96:[4, 11] Operation: 110/10=11 Moving to Node #0,2,0 Current State: 96:[4, 3], Operations: ['70-40=30', '30/10=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[4, 11], Operations: ['70+40=110', '110/10=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[30, 6], Operations: ['70-40=30', '10-4=6'] Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[30, 14], Operations: ['70-40=30', '10+4=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,96 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[4, 100], Operations: ['70+40=110', '110-10=100'] Exploring Operation: 4+100=104, Resulting Numbers: [104] 104,96 unequal: No Solution Exploring Operation: 100-4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[70, 10, 40, 4], Operations: [] Exploring Operation: 70+40=110, Resulting Numbers: [10, 4, 110] Generated Node #0,0: 96:[10, 4, 110] Operation: 70+40=110 Moving to Node #0,0 Current State: 96:[10, 4, 110], Operations: ['70+40=110'] Exploring Operation: 110-10=100, Resulting Numbers: [4, 100] Generated Node #0,0,0: 96:[4, 100] Operation: 110-10=100 Moving to Node #0,0,0 Current State: 96:[4, 100], Operations: ['70+40=110', '110-10=100'] Exploring Operation: 100-4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.966146
hs_3
mult_heuristic
[ 8, 68, 83, 56 ]
79
[ "68-8=60", "83+56=139", "139-60=79" ]
Current State: 79:[8, 68, 83, 56], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [83, 56, 60] Generated Node #2: [83, 56, 60] from Operation: 68-8=60 Current State: 79:[83, 56, 60], Operations: ['68-8=60'] Exploring Operation: 83+56=139, Resulting Numbers: [60, 139] Generated Node #3: [60, 139] from Operation: 83+56=139 Current State: 79:[60, 139], Operations: ['68-8=60', '83+56=139'] Exploring Operation: 139-60=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[8, 68, 83, 56], Operations: [] Exploring Operation: 8+56=64, Resulting Numbers: [68, 83, 64] Generated Node #0,0: 79:[68, 83, 64] Operation: 8+56=64 Exploring Operation: 8+68=76, Resulting Numbers: [83, 56, 76] Generated Node #0,1: 79:[83, 56, 76] Operation: 8+68=76 Exploring Operation: 83-8=75, Resulting Numbers: [68, 56, 75] Generated Node #0,2: 79:[68, 56, 75] Operation: 83-8=75 Exploring Operation: 68-8=60, Resulting Numbers: [83, 56, 60] Generated Node #0,3: 79:[83, 56, 60] Operation: 68-8=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[68, 83, 64], Operations: ['8+56=64'] Exploring Operation: 83-68=15, Resulting Numbers: [64, 15] Generated Node #0,0,0: 79:[64, 15] Operation: 83-68=15 Exploring Operation: 68+64=132, Resulting Numbers: [83, 132] Generated Node #0,0,1: 79:[83, 132] Operation: 68+64=132 Exploring Operation: 68-64=4, Resulting Numbers: [83, 4] Generated Node #0,0,2: 79:[83, 4] Operation: 68-64=4 Exploring Operation: 83-64=19, Resulting Numbers: [68, 19] Generated Node #0,0,3: 79:[68, 19] Operation: 83-64=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[83, 132], Operations: ['8+56=64', '68+64=132'] Exploring Operation: 132-83=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 83+132=215, Resulting Numbers: [215] 215,79 unequal: No Solution Exploring Operation: 83*132=10956, Resulting Numbers: [10956] 10956,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[68, 19], Operations: ['8+56=64', '83-64=19'] Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,79 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[64, 15], Operations: ['8+56=64', '83-68=15'] Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[8, 68, 83, 56], Operations: [] Exploring Operation: 8+56=64, Resulting Numbers: [68, 83, 64] Generated Node #0,0: 79:[68, 83, 64] Operation: 8+56=64 Moving to Node #0,0 Current State: 79:[68, 83, 64], Operations: ['8+56=64'] Exploring Operation: 83-68=15, Resulting Numbers: [64, 15] Generated Node #0,0,0: 79:[64, 15] Operation: 83-68=15 Moving to Node #0,0,0 Current State: 79:[64, 15], Operations: ['8+56=64', '83-68=15'] Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 85, 43, 90, 7 ]
66
[ "43+90=133", "133/7=19", "85-19=66" ]
Current State: 66:[85, 43, 90, 7], Operations: [] Exploring Operation: 43+90=133, Resulting Numbers: [85, 7, 133] Generated Node #2: [85, 7, 133] from Operation: 43+90=133 Current State: 66:[85, 7, 133], Operations: ['43+90=133'] Exploring Operation: 133/7=19, Resulting Numbers: [85, 19] Generated Node #3: [85, 19] from Operation: 133/7=19 Current State: 66:[85, 19], Operations: ['43+90=133', '133/7=19'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[85, 43, 90, 7], Operations: [] Exploring Operation: 90-85=5, Resulting Numbers: [43, 7, 5] Generated Node #0,0: 66:[43, 7, 5] Operation: 90-85=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[43, 7, 5], Operations: ['90-85=5'] Exploring Operation: 43-7=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 66:[5, 36] Operation: 43-7=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[5, 36], Operations: ['90-85=5', '43-7=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 4, 21, 91 ]
60
[ "14-4=10", "91-21=70", "70-10=60" ]
Current State: 60:[14, 4, 21, 91], Operations: [] Exploring Operation: 14-4=10, Resulting Numbers: [21, 91, 10] Generated Node #2: [21, 91, 10] from Operation: 14-4=10 Current State: 60:[21, 91, 10], Operations: ['14-4=10'] Exploring Operation: 91-21=70, Resulting Numbers: [10, 70] Generated Node #3: [10, 70] from Operation: 91-21=70 Current State: 60:[10, 70], Operations: ['14-4=10', '91-21=70'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[14, 4, 21, 91], Operations: [] Exploring Operation: 91-21=70, Resulting Numbers: [14, 4, 70] Generated Node #0,0: 60:[14, 4, 70] Operation: 91-21=70 Exploring Operation: 91-14=77, Resulting Numbers: [4, 21, 77] Generated Node #0,1: 60:[4, 21, 77] Operation: 91-14=77 Exploring Operation: 91-4=87, Resulting Numbers: [14, 21, 87] Generated Node #0,2: 60:[14, 21, 87] Operation: 91-4=87 Moving to Node #0,0 Current State: 60:[14, 4, 70], Operations: ['91-21=70'] Exploring Operation: 70-4=66, Resulting Numbers: [14, 66] Generated Node #0,0,0: 60:[14, 66] Operation: 70-4=66 Exploring Operation: 70/14=5, Resulting Numbers: [4, 5] Generated Node #0,0,1: 60:[4, 5] Operation: 70/14=5 Exploring Operation: 70-14=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 60:[4, 56] Operation: 70-14=56 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[4, 5], Operations: ['91-21=70', '70/14=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[4, 56], Operations: ['91-21=70', '70-14=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,60 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[14, 4, 21, 91], Operations: [] Exploring Operation: 91-21=70, Resulting Numbers: [14, 4, 70] Generated Node #0,0: 60:[14, 4, 70] Operation: 91-21=70 Moving to Node #0,0 Current State: 60:[14, 4, 70], Operations: ['91-21=70'] Exploring Operation: 70-14=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 60:[4, 56] Operation: 70-14=56 Moving to Node #0,0,2 Current State: 60:[4, 56], Operations: ['91-21=70', '70-14=56'] Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 15, 5, 3, 36 ]
76
[ "15*3=45", "36-5=31", "45+31=76" ]
Current State: 76:[15, 5, 3, 36], Operations: [] Exploring Operation: 15*3=45, Resulting Numbers: [5, 36, 45] Generated Node #2: [5, 36, 45] from Operation: 15*3=45 Current State: 76:[5, 36, 45], Operations: ['15*3=45'] Exploring Operation: 36-5=31, Resulting Numbers: [45, 31] Generated Node #3: [45, 31] from Operation: 36-5=31 Current State: 76:[45, 31], Operations: ['15*3=45', '36-5=31'] Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[15, 5, 3, 36], Operations: [] Exploring Operation: 15*5=75, Resulting Numbers: [3, 36, 75] Generated Node #0,0: 76:[3, 36, 75] Operation: 15*5=75 Exploring Operation: 15+5=20, Resulting Numbers: [3, 36, 20] Generated Node #0,1: 76:[3, 36, 20] Operation: 15+5=20 Exploring Operation: 15/5=3, Resulting Numbers: [3, 36, 3] Generated Node #0,2: 76:[3, 36, 3] Operation: 15/5=3 Exploring Operation: 15/3=5, Resulting Numbers: [5, 36, 5] Generated Node #0,3: 76:[5, 36, 5] Operation: 15/3=5 Exploring Operation: 15+3=18, Resulting Numbers: [5, 36, 18] Generated Node #0,4: 76:[5, 36, 18] Operation: 15+3=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[3, 36, 75], Operations: ['15*5=75'] Exploring Operation: 3+36=39, Resulting Numbers: [75, 39] Generated Node #0,0,0: 76:[75, 39] Operation: 3+36=39 Exploring Operation: 75-3=72, Resulting Numbers: [36, 72] Generated Node #0,0,1: 76:[36, 72] Operation: 75-3=72 Exploring Operation: 75-36=39, Resulting Numbers: [3, 39] Generated Node #0,0,2: 76:[3, 39] Operation: 75-36=39 Exploring Operation: 3+75=78, Resulting Numbers: [36, 78] Generated Node #0,0,3: 76:[36, 78] Operation: 3+75=78 Exploring Operation: 36-3=33, Resulting Numbers: [75, 33] Generated Node #0,0,4: 76:[75, 33] Operation: 36-3=33 Moving to Node #0,0,0 Current State: 76:[75, 39], Operations: ['15*5=75', '3+36=39'] Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,76 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[3, 39], Operations: ['15*5=75', '75-36=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[36, 78], Operations: ['15*5=75', '3+75=78'] Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,76 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[36, 72], Operations: ['15*5=75', '75-3=72'] Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[75, 33], Operations: ['15*5=75', '36-3=33'] Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,76 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[3, 36, 20], Operations: ['15+5=20'] Exploring Operation: 3+20=23, Resulting Numbers: [36, 23] Generated Node #0,1,0: 76:[36, 23] Operation: 3+20=23 Exploring Operation: 3+36=39, Resulting Numbers: [20, 39] Generated Node #0,1,1: 76:[20, 39] Operation: 3+36=39 Exploring Operation: 36-20=16, Resulting Numbers: [3, 16] Generated Node #0,1,2: 76:[3, 16] Operation: 36-20=16 Exploring Operation: 20-3=17, Resulting Numbers: [36, 17] Generated Node #0,1,3: 76:[36, 17] Operation: 20-3=17 Exploring Operation: 36-3=33, Resulting Numbers: [20, 33] Generated Node #0,1,4: 76:[20, 33] Operation: 36-3=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[20, 39], Operations: ['15+5=20', '3+36=39'] Exploring Operation: 20*39=780, Resulting Numbers: [780] 780,76 unequal: No Solution Exploring Operation: 20+39=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[3, 16], Operations: ['15+5=20', '36-20=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,76 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[36, 17], Operations: ['15+5=20', '20-3=17'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,76 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[36, 23], Operations: ['15+5=20', '3+20=23'] Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,76 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 76:[20, 33], Operations: ['15+5=20', '36-3=33'] Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,76 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[3, 36, 3], Operations: ['15/5=3'] Exploring Operation: 3-3=0, Resulting Numbers: [36, 0] Generated Node #0,2,0: 76:[36, 0] Operation: 3-3=0 Exploring Operation: 3/3=1, Resulting Numbers: [36, 1] Generated Node #0,2,1: 76:[36, 1] Operation: 3/3=1 Exploring Operation: 3+36=39, Resulting Numbers: [3, 39] Generated Node #0,2,2: 76:[3, 39] Operation: 3+36=39 Exploring Operation: 36+3=39, Resulting Numbers: [3, 39] Generated Node #0,2,3: 76:[3, 39] Operation: 36+3=39 Exploring Operation: 3+3=6, Resulting Numbers: [36, 6] Generated Node #0,2,4: 76:[36, 6] Operation: 3+3=6 Moving to Node #0,2,2 Current State: 76:[3, 39], Operations: ['15/5=3', '3+36=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[3, 39], Operations: ['15/5=3', '36+3=39'] Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,76 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[36, 1], Operations: ['15/5=3', '3/3=1'] Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[36, 0], Operations: ['15/5=3', '3-3=0'] Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[36, 6], Operations: ['15/5=3', '3+3=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,76 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[5, 36, 5], Operations: ['15/3=5'] Exploring Operation: 5+36=41, Resulting Numbers: [5, 41] Generated Node #0,3,0: 76:[5, 41] Operation: 5+36=41 Exploring Operation: 5-5=0, Resulting Numbers: [36, 0] Generated Node #0,3,1: 76:[36, 0] Operation: 5-5=0 Exploring Operation: 36-5=31, Resulting Numbers: [5, 31] Generated Node #0,3,2: 76:[5, 31] Operation: 36-5=31 Exploring Operation: 36+5=41, Resulting Numbers: [5, 41] Generated Node #0,3,3: 76:[5, 41] Operation: 36+5=41 Exploring Operation: 5/5=1, Resulting Numbers: [36, 1] Generated Node #0,3,4: 76:[36, 1] Operation: 5/5=1 Moving to Node #0,3,4 Current State: 76:[36, 1], Operations: ['15/3=5', '5/5=1'] Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 36*1=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[36, 0], Operations: ['15/3=5', '5-5=0'] Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[5, 41], Operations: ['15/3=5', '5+36=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,76 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,76 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[5, 41], Operations: ['15/3=5', '36+5=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,76 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,76 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[5, 31], Operations: ['15/3=5', '36-5=31'] Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,76 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[5, 36, 18], Operations: ['15+3=18'] Exploring Operation: 5+18=23, Resulting Numbers: [36, 23] Generated Node #0,4,0: 76:[36, 23] Operation: 5+18=23 Exploring Operation: 36-5=31, Resulting Numbers: [18, 31] Generated Node #0,4,1: 76:[18, 31] Operation: 36-5=31 Exploring Operation: 36/18=2, Resulting Numbers: [5, 2] Generated Node #0,4,2: 76:[5, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [5, 18] Generated Node #0,4,3: 76:[5, 18] Operation: 36-18=18 Exploring Operation: 5+36=41, Resulting Numbers: [18, 41] Generated Node #0,4,4: 76:[18, 41] Operation: 5+36=41 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 76:[5, 2], Operations: ['15+3=18', '36/18=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 76:[5, 18], Operations: ['15+3=18', '36-18=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,76 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 76:[18, 41], Operations: ['15+3=18', '5+36=41'] Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,76 unequal: No Solution Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 76:[36, 23], Operations: ['15+3=18', '5+18=23'] Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,76 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 76:[18, 31], Operations: ['15+3=18', '36-5=31'] Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,76 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,76 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,76 unequal: No Solution No solution found. Exit Sub Search at level 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
[ 99, 77, 92, 52 ]
41
[ "99-92=7", "77/7=11", "52-11=41" ]
Current State: 41:[99, 77, 92, 52], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [77, 52, 7] Generated Node #2: [77, 52, 7] from Operation: 99-92=7 Current State: 41:[77, 52, 7], Operations: ['99-92=7'] Exploring Operation: 77/7=11, Resulting Numbers: [52, 11] Generated Node #3: [52, 11] from Operation: 77/7=11 Current State: 41:[52, 11], Operations: ['99-92=7', '77/7=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[99, 77, 92, 52], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [77, 92, 47] Generated Node #0,0: 41:[77, 92, 47] Operation: 99-52=47 Exploring Operation: 99-77=22, Resulting Numbers: [92, 52, 22] Generated Node #0,1: 41:[92, 52, 22] Operation: 99-77=22 Exploring Operation: 99-92=7, Resulting Numbers: [77, 52, 7] Generated Node #0,2: 41:[77, 52, 7] Operation: 99-92=7 Moving to Node #0,1 Current State: 41:[92, 52, 22], Operations: ['99-77=22'] Exploring Operation: 92-52=40, Resulting Numbers: [22, 40] Generated Node #0,1,0: 41:[22, 40] Operation: 92-52=40 Exploring Operation: 92-22=70, Resulting Numbers: [52, 70] Generated Node #0,1,1: 41:[52, 70] Operation: 92-22=70 Exploring Operation: 52-22=30, Resulting Numbers: [92, 30] Generated Node #0,1,2: 41:[92, 30] Operation: 52-22=30 Moving to Node #0,2 Current State: 41:[77, 52, 7], Operations: ['99-92=7'] Exploring Operation: 77-7=70, Resulting Numbers: [52, 70] Generated Node #0,2,0: 41:[52, 70] Operation: 77-7=70 Exploring Operation: 52-7=45, Resulting Numbers: [77, 45] Generated Node #0,2,1: 41:[77, 45] Operation: 52-7=45 Exploring Operation: 77/7=11, Resulting Numbers: [52, 11] Generated Node #0,2,2: 41:[52, 11] Operation: 77/7=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[52, 70], Operations: ['99-92=7', '77-7=70'] Exploring Operation: 52*70=3640, Resulting Numbers: [3640] 3640,41 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,41 unequal: No Solution Exploring Operation: 52+70=122, Resulting Numbers: [122] 122,41 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:[77, 45], Operations: ['99-92=7', '52-7=45'] Exploring Operation: 77*45=3465, Resulting Numbers: [3465] 3465,41 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 77+45=122, Resulting Numbers: [122] 122,41 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 #0,2,2 Current State: 41:[52, 11], Operations: ['99-92=7', '77/7=11'] Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[99, 77, 92, 52], Operations: [] Exploring Operation: 99-92=7, Resulting Numbers: [77, 52, 7] Generated Node #0,2: 41:[77, 52, 7] Operation: 99-92=7 Moving to Node #0,2 Current State: 41:[77, 52, 7], Operations: ['99-92=7'] Exploring Operation: 77/7=11, Resulting Numbers: [52, 11] Generated Node #0,2,2: 41:[52, 11] Operation: 77/7=11 Moving to Node #0,2,2 Current State: 41:[52, 11], Operations: ['99-92=7', '77/7=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
sum_heuristic
[ 1, 7, 48, 71 ]
15
[ "1+7=8", "71-48=23", "23-8=15" ]
Current State: 15:[1, 7, 48, 71], Operations: [] Exploring Operation: 1+7=8, Resulting Numbers: [48, 71, 8] Generated Node #2: [48, 71, 8] from Operation: 1+7=8 Current State: 15:[48, 71, 8], Operations: ['1+7=8'] Exploring Operation: 71-48=23, Resulting Numbers: [8, 23] Generated Node #3: [8, 23] from Operation: 71-48=23 Current State: 15:[8, 23], Operations: ['1+7=8', '71-48=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[1, 7, 48, 71], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [1, 48, 64] Generated Node #0,0: 15:[1, 48, 64] Operation: 71-7=64 Exploring Operation: 48-7=41, Resulting Numbers: [1, 71, 41] Generated Node #0,1: 15:[1, 71, 41] Operation: 48-7=41 Exploring Operation: 71-48=23, Resulting Numbers: [1, 7, 23] Generated Node #0,2: 15:[1, 7, 23] Operation: 71-48=23 Moving to Node #0,2 Current State: 15:[1, 7, 23], Operations: ['71-48=23'] Exploring Operation: 7-1=6, Resulting Numbers: [23, 6] Generated Node #0,2,0: 15:[23, 6] Operation: 7-1=6 Exploring Operation: 23-7=16, Resulting Numbers: [1, 16] Generated Node #0,2,1: 15:[1, 16] Operation: 23-7=16 Exploring Operation: 23-1=22, Resulting Numbers: [7, 22] Generated Node #0,2,2: 15:[7, 22] Operation: 23-1=22 Moving to Node #0,0 Current State: 15:[1, 48, 64], Operations: ['71-7=64'] Exploring Operation: 48-1=47, Resulting Numbers: [64, 47] Generated Node #0,0,0: 15:[64, 47] Operation: 48-1=47 Exploring Operation: 64-48=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 15:[1, 16] Operation: 64-48=16 Exploring Operation: 64-1=63, Resulting Numbers: [48, 63] Generated Node #0,0,2: 15:[48, 63] Operation: 64-1=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[1, 16], Operations: ['71-7=64', '64-48=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[1, 7, 48, 71], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [1, 48, 64] Generated Node #0,0: 15:[1, 48, 64] Operation: 71-7=64 Moving to Node #0,0 Current State: 15:[1, 48, 64], Operations: ['71-7=64'] Exploring Operation: 64-48=16, Resulting Numbers: [1, 16] Generated Node #0,0,1: 15:[1, 16] Operation: 64-48=16 Moving to Node #0,0,1 Current State: 15:[1, 16], Operations: ['71-7=64', '64-48=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 62, 24, 96, 4 ]
46
[ "96/24=4", "4*4=16", "62-16=46" ]
Current State: 46:[62, 24, 96, 4], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [62, 4, 4] Generated Node #2: [62, 4, 4] from Operation: 96/24=4 Current State: 46:[62, 4, 4], Operations: ['96/24=4'] Exploring Operation: 4*4=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 4*4=16 Current State: 46:[62, 16], Operations: ['96/24=4', '4*4=16'] Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[62, 24, 96, 4], Operations: [] Exploring Operation: 96-62=34, Resulting Numbers: [24, 4, 34] Generated Node #0,0: 46:[24, 4, 34] Operation: 96-62=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[24, 4, 34], Operations: ['96-62=34'] Exploring Operation: 34-4=30, Resulting Numbers: [24, 30] Generated Node #0,0,0: 46:[24, 30] Operation: 34-4=30 Moving to Node #0,0,0 Current State: 46:[24, 30], Operations: ['96-62=34', '34-4=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,46 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
[ 27, 1, 73, 9 ]
90
[ "27-1=26", "73-9=64", "26+64=90" ]
Current State: 90:[27, 1, 73, 9], Operations: [] Exploring Operation: 27-1=26, Resulting Numbers: [73, 9, 26] Generated Node #2: [73, 9, 26] from Operation: 27-1=26 Current State: 90:[73, 9, 26], Operations: ['27-1=26'] Exploring Operation: 73-9=64, Resulting Numbers: [26, 64] Generated Node #3: [26, 64] from Operation: 73-9=64 Current State: 90:[26, 64], Operations: ['27-1=26', '73-9=64'] Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[27, 1, 73, 9], Operations: [] Exploring Operation: 27+73=100, Resulting Numbers: [1, 9, 100] Generated Node #0,0: 90:[1, 9, 100] Operation: 27+73=100 Exploring Operation: 73-27=46, Resulting Numbers: [1, 9, 46] Generated Node #0,1: 90:[1, 9, 46] Operation: 73-27=46 Exploring Operation: 73+9=82, Resulting Numbers: [27, 1, 82] Generated Node #0,2: 90:[27, 1, 82] Operation: 73+9=82 Moving to Node #0,1 Current State: 90:[1, 9, 46], Operations: ['73-27=46'] Exploring Operation: 46-1=45, Resulting Numbers: [9, 45] Generated Node #0,1,0: 90:[9, 45] Operation: 46-1=45 Exploring Operation: 1*9=9, Resulting Numbers: [46, 9] Generated Node #0,1,1: 90:[46, 9] Operation: 1*9=9 Exploring Operation: 1+9=10, Resulting Numbers: [46, 10] Generated Node #0,1,2: 90:[46, 10] Operation: 1+9=10 Moving to Node #0,0 Current State: 90:[1, 9, 100], Operations: ['27+73=100'] Exploring Operation: 100-1=99, Resulting Numbers: [9, 99] Generated Node #0,0,0: 90:[9, 99] Operation: 100-1=99 Exploring Operation: 1+9=10, Resulting Numbers: [100, 10] Generated Node #0,0,1: 90:[100, 10] Operation: 1+9=10 Exploring Operation: 100-9=91, Resulting Numbers: [1, 91] Generated Node #0,0,2: 90:[1, 91] Operation: 100-9=91 Moving to Node #0,2 Current State: 90:[27, 1, 82], Operations: ['73+9=82'] Exploring Operation: 27+1=28, Resulting Numbers: [82, 28] Generated Node #0,2,0: 90:[82, 28] Operation: 27+1=28 Exploring Operation: 27*1=27, Resulting Numbers: [82, 27] Generated Node #0,2,1: 90:[82, 27] Operation: 27*1=27 Exploring Operation: 1+82=83, Resulting Numbers: [27, 83] Generated Node #0,2,2: 90:[27, 83] Operation: 1+82=83 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[82, 28], Operations: ['73+9=82', '27+1=28'] Exploring Operation: 82+28=110, Resulting Numbers: [110] 110,90 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 82*28=2296, Resulting Numbers: [2296] 2296,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[27, 83], Operations: ['73+9=82', '1+82=83'] Exploring Operation: 27+83=110, Resulting Numbers: [110] 110,90 unequal: No Solution Exploring Operation: 27*83=2241, Resulting Numbers: [2241] 2241,90 unequal: No Solution Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[82, 27], Operations: ['73+9=82', '27*1=27'] Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,90 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,90 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: 90:[9, 45], Operations: ['73-27=46', '46-1=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[46, 10], Operations: ['73-27=46', '1+9=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,90 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,90 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[46, 9], Operations: ['73-27=46', '1*9=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,90 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[1, 91], Operations: ['27+73=100', '100-9=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[27, 1, 73, 9], Operations: [] Exploring Operation: 27+73=100, Resulting Numbers: [1, 9, 100] Generated Node #0,0: 90:[1, 9, 100] Operation: 27+73=100 Moving to Node #0,0 Current State: 90:[1, 9, 100], Operations: ['27+73=100'] Exploring Operation: 100-9=91, Resulting Numbers: [1, 91] Generated Node #0,0,2: 90:[1, 91] Operation: 100-9=91 Moving to Node #0,0,2 Current State: 90:[1, 91], Operations: ['27+73=100', '100-9=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 16, 65, 6, 40 ]
95
[ "65-16=49", "6+40=46", "49+46=95" ]
Current State: 95:[16, 65, 6, 40], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [6, 40, 49] Generated Node #2: [6, 40, 49] from Operation: 65-16=49 Current State: 95:[6, 40, 49], Operations: ['65-16=49'] Exploring Operation: 6+40=46, Resulting Numbers: [49, 46] Generated Node #3: [49, 46] from Operation: 6+40=46 Current State: 95:[49, 46], Operations: ['65-16=49', '6+40=46'] Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[16, 65, 6, 40], Operations: [] Exploring Operation: 65-40=25, Resulting Numbers: [16, 6, 25] Generated Node #0,0: 95:[16, 6, 25] Operation: 65-40=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[16, 6, 25], Operations: ['65-40=25'] Exploring Operation: 25-6=19, Resulting Numbers: [16, 19] Generated Node #0,0,0: 95:[16, 19] Operation: 25-6=19 Moving to Node #0,0,0 Current State: 95:[16, 19], Operations: ['65-40=25', '25-6=19'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,95 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, 33, 4, 2 ]
16
[ "62/2=31", "33+31=64", "64/4=16" ]
Current State: 16:[62, 33, 4, 2], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [33, 4, 31] Generated Node #2: [33, 4, 31] from Operation: 62/2=31 Current State: 16:[33, 4, 31], Operations: ['62/2=31'] Exploring Operation: 33+31=64, Resulting Numbers: [4, 64] Generated Node #3: [4, 64] from Operation: 33+31=64 Current State: 16:[4, 64], Operations: ['62/2=31', '33+31=64'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[62, 33, 4, 2], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [4, 2, 29] Generated Node #0,0: 16:[4, 2, 29] Operation: 62-33=29 Exploring Operation: 62/2=31, Resulting Numbers: [33, 4, 31] Generated Node #0,1: 16:[33, 4, 31] Operation: 62/2=31 Moving to Node #0,0 Current State: 16:[4, 2, 29], Operations: ['62-33=29'] Exploring Operation: 29-2=27, Resulting Numbers: [4, 27] Generated Node #0,0,0: 16:[4, 27] Operation: 29-2=27 Exploring Operation: 29-4=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 16:[2, 25] Operation: 29-4=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[2, 25], Operations: ['62-33=29', '29-4=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,16 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[4, 27], Operations: ['62-33=29', '29-2=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,16 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: 16:[33, 4, 31], Operations: ['62/2=31'] Exploring Operation: 33-31=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 16:[4, 2] Operation: 33-31=2 Exploring Operation: 33-4=29, Resulting Numbers: [31, 29] Generated Node #0,1,1: 16:[31, 29] Operation: 33-4=29 Moving to Node #0,1,0 Current State: 16:[4, 2], Operations: ['62/2=31', '33-31=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[31, 29], Operations: ['62/2=31', '33-4=29'] Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 83, 28, 2, 59 ]
57
[ "83-28=55", "59+55=114", "114/2=57" ]
Current State: 57:[83, 28, 2, 59], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [2, 59, 55] Generated Node #2: [2, 59, 55] from Operation: 83-28=55 Current State: 57:[2, 59, 55], Operations: ['83-28=55'] Exploring Operation: 59+55=114, Resulting Numbers: [2, 114] Generated Node #3: [2, 114] from Operation: 59+55=114 Current State: 57:[2, 114], Operations: ['83-28=55', '59+55=114'] Exploring Operation: 114/2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[83, 28, 2, 59], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [2, 59, 55] Generated Node #0,0: 57:[2, 59, 55] Operation: 83-28=55 Exploring Operation: 83-59=24, Resulting Numbers: [28, 2, 24] Generated Node #0,1: 57:[28, 2, 24] Operation: 83-59=24 Exploring Operation: 28/2=14, Resulting Numbers: [83, 59, 14] Generated Node #0,2: 57:[83, 59, 14] Operation: 28/2=14 Exploring Operation: 83-2=81, Resulting Numbers: [28, 59, 81] Generated Node #0,3: 57:[28, 59, 81] Operation: 83-2=81 Exploring Operation: 28*2=56, Resulting Numbers: [83, 59, 56] Generated Node #0,4: 57:[83, 59, 56] Operation: 28*2=56 Moving to Node #0,0 Current State: 57:[2, 59, 55], Operations: ['83-28=55'] Exploring Operation: 2+55=57, Resulting Numbers: [59, 57] Generated Node #0,0,0: 57:[59, 57] Operation: 2+55=57 Exploring Operation: 2+59=61, Resulting Numbers: [55, 61] Generated Node #0,0,1: 57:[55, 61] Operation: 2+59=61 Exploring Operation: 59-2=57, Resulting Numbers: [55, 57] Generated Node #0,0,2: 57:[55, 57] Operation: 59-2=57 Exploring Operation: 55-2=53, Resulting Numbers: [59, 53] Generated Node #0,0,3: 57:[59, 53] Operation: 55-2=53 Exploring Operation: 59-55=4, Resulting Numbers: [2, 4] Generated Node #0,0,4: 57:[2, 4] Operation: 59-55=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[59, 57], Operations: ['83-28=55', '2+55=57'] Exploring Operation: 59*57=3363, Resulting Numbers: [3363] 3363,57 unequal: No Solution Exploring Operation: 59+57=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 59-57=2, Resulting Numbers: [2] 2,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 57:[55, 57], Operations: ['83-28=55', '59-2=57'] Exploring Operation: 57-55=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 55*57=3135, Resulting Numbers: [3135] 3135,57 unequal: No Solution Exploring Operation: 55+57=112, Resulting Numbers: [112] 112,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 57:[2, 4], Operations: ['83-28=55', '59-55=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 57:[55, 61], Operations: ['83-28=55', '2+59=61'] Exploring Operation: 61-55=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 55*61=3355, Resulting Numbers: [3355] 3355,57 unequal: No Solution Exploring Operation: 55+61=116, Resulting Numbers: [116] 116,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 57:[59, 53], Operations: ['83-28=55', '55-2=53'] Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,57 unequal: No Solution Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,57 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: 57:[28, 2, 24], Operations: ['83-59=24'] Exploring Operation: 28*2=56, Resulting Numbers: [24, 56] Generated Node #0,1,0: 57:[24, 56] Operation: 28*2=56 Exploring Operation: 28-24=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 57:[2, 4] Operation: 28-24=4 Exploring Operation: 28/2=14, Resulting Numbers: [24, 14] Generated Node #0,1,2: 57:[24, 14] Operation: 28/2=14 Exploring Operation: 28+24=52, Resulting Numbers: [2, 52] Generated Node #0,1,3: 57:[2, 52] Operation: 28+24=52 Exploring Operation: 28-2=26, Resulting Numbers: [24, 26] Generated Node #0,1,4: 57:[24, 26] Operation: 28-2=26 Moving to Node #0,4 Current State: 57:[83, 59, 56], Operations: ['28*2=56'] Exploring Operation: 59-56=3, Resulting Numbers: [83, 3] Generated Node #0,4,0: 57:[83, 3] Operation: 59-56=3 Exploring Operation: 59+56=115, Resulting Numbers: [83, 115] Generated Node #0,4,1: 57:[83, 115] Operation: 59+56=115 Exploring Operation: 83+56=139, Resulting Numbers: [59, 139] Generated Node #0,4,2: 57:[59, 139] Operation: 83+56=139 Exploring Operation: 83-56=27, Resulting Numbers: [59, 27] Generated Node #0,4,3: 57:[59, 27] Operation: 83-56=27 Exploring Operation: 83-59=24, Resulting Numbers: [56, 24] Generated Node #0,4,4: 57:[56, 24] Operation: 83-59=24 Moving to Node #0,2 Current State: 57:[83, 59, 14], Operations: ['28/2=14'] Exploring Operation: 83-14=69, Resulting Numbers: [59, 69] Generated Node #0,2,0: 57:[59, 69] Operation: 83-14=69 Exploring Operation: 83-59=24, Resulting Numbers: [14, 24] Generated Node #0,2,1: 57:[14, 24] Operation: 83-59=24 Exploring Operation: 59-14=45, Resulting Numbers: [83, 45] Generated Node #0,2,2: 57:[83, 45] Operation: 59-14=45 Exploring Operation: 59+14=73, Resulting Numbers: [83, 73] Generated Node #0,2,3: 57:[83, 73] Operation: 59+14=73 Exploring Operation: 83+14=97, Resulting Numbers: [59, 97] Generated Node #0,2,4: 57:[59, 97] Operation: 83+14=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[14, 24], Operations: ['28/2=14', '83-59=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 57:[59, 69], Operations: ['28/2=14', '83-14=69'] Exploring Operation: 59+69=128, Resulting Numbers: [128] 128,57 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 59*69=4071, Resulting Numbers: [4071] 4071,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 57:[83, 45], Operations: ['28/2=14', '59-14=45'] Exploring Operation: 83*45=3735, Resulting Numbers: [3735] 3735,57 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 83+45=128, Resulting Numbers: [128] 128,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 57:[83, 73], Operations: ['28/2=14', '59+14=73'] Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,57 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 57:[59, 97], Operations: ['28/2=14', '83+14=97'] Exploring Operation: 59*97=5723, Resulting Numbers: [5723] 5723,57 unequal: No Solution Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 59+97=156, Resulting Numbers: [156] 156,57 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: 57:[28, 59, 81], Operations: ['83-2=81'] Exploring Operation: 59-28=31, Resulting Numbers: [81, 31] Generated Node #0,3,0: 57:[81, 31] Operation: 59-28=31 Exploring Operation: 28+59=87, Resulting Numbers: [81, 87] Generated Node #0,3,1: 57:[81, 87] Operation: 28+59=87 Exploring Operation: 81-59=22, Resulting Numbers: [28, 22] Generated Node #0,3,2: 57:[28, 22] Operation: 81-59=22 Exploring Operation: 28+81=109, Resulting Numbers: [59, 109] Generated Node #0,3,3: 57:[59, 109] Operation: 28+81=109 Exploring Operation: 81-28=53, Resulting Numbers: [59, 53] Generated Node #0,3,4: 57:[59, 53] Operation: 81-28=53 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 57:[59, 53], Operations: ['83-2=81', '81-28=53'] Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,57 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 57:[28, 22], Operations: ['83-2=81', '81-59=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,57 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[81, 31], Operations: ['83-2=81', '59-28=31'] Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 81*31=2511, Resulting Numbers: [2511] 2511,57 unequal: No Solution Exploring Operation: 81+31=112, Resulting Numbers: [112] 112,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 57:[81, 87], Operations: ['83-2=81', '28+59=87'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,57 unequal: No Solution Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[59, 109], Operations: ['83-2=81', '28+81=109'] Exploring Operation: 109-59=50, Resulting Numbers: [50] 50,57 unequal: No Solution Exploring Operation: 59*109=6431, Resulting Numbers: [6431] 6431,57 unequal: No Solution Exploring Operation: 59+109=168, Resulting Numbers: [168] 168,57 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: 57:[2, 4], Operations: ['83-59=24', '28-24=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,57 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[2, 52], Operations: ['83-59=24', '28+24=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[56, 24], Operations: ['28*2=56', '83-59=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,57 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[24, 56], Operations: ['83-59=24', '28*2=56'] Exploring Operation: 24*56=1344, Resulting Numbers: [1344] 1344,57 unequal: No Solution Exploring Operation: 24+56=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,57 unequal: No Solution Moving to Node #0,4,3 Current State: 57:[59, 27], Operations: ['28*2=56', '83-56=27'] Exploring Operation: 59*27=1593, Resulting Numbers: [1593] 1593,57 unequal: No Solution Exploring Operation: 59+27=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[24, 14], Operations: ['83-59=24', '28/2=14'] Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,57 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,57 unequal: No Solution Moving to Node #0,1,4 Current State: 57:[24, 26], Operations: ['83-59=24', '28-2=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,57 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[83, 3], Operations: ['28*2=56', '59-56=3'] Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,57 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[83, 115], Operations: ['28*2=56', '59+56=115'] Exploring Operation: 115-83=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 83+115=198, Resulting Numbers: [198] 198,57 unequal: No Solution Exploring Operation: 83*115=9545, Resulting Numbers: [9545] 9545,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[59, 139], Operations: ['28*2=56', '83+56=139'] Exploring Operation: 59*139=8201, Resulting Numbers: [8201] 8201,57 unequal: No Solution Exploring Operation: 139-59=80, Resulting Numbers: [80] 80,57 unequal: No Solution Exploring Operation: 59+139=198, Resulting Numbers: [198] 198,57 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 29, 1, 5, 63 ]
83
[ "29*5=145", "63-1=62", "145-62=83" ]
Current State: 83:[29, 1, 5, 63], Operations: [] Exploring Operation: 29*5=145, Resulting Numbers: [1, 63, 145] Generated Node #2: [1, 63, 145] from Operation: 29*5=145 Current State: 83:[1, 63, 145], Operations: ['29*5=145'] Exploring Operation: 63-1=62, Resulting Numbers: [145, 62] Generated Node #3: [145, 62] from Operation: 63-1=62 Current State: 83:[145, 62], Operations: ['29*5=145', '63-1=62'] Exploring Operation: 145-62=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[29, 1, 5, 63], Operations: [] Exploring Operation: 29+1=30, Resulting Numbers: [5, 63, 30] Generated Node #0,0: 83:[5, 63, 30] Operation: 29+1=30 Exploring Operation: 1+63=64, Resulting Numbers: [29, 5, 64] Generated Node #0,1: 83:[29, 5, 64] Operation: 1+63=64 Exploring Operation: 1+5=6, Resulting Numbers: [29, 63, 6] Generated Node #0,2: 83:[29, 63, 6] Operation: 1+5=6 Exploring Operation: 29+5=34, Resulting Numbers: [1, 63, 34] Generated Node #0,3: 83:[1, 63, 34] Operation: 29+5=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[5, 63, 30], Operations: ['29+1=30'] Exploring Operation: 5+30=35, Resulting Numbers: [63, 35] Generated Node #0,0,0: 83:[63, 35] Operation: 5+30=35 Exploring Operation: 5+63=68, Resulting Numbers: [30, 68] Generated Node #0,0,1: 83:[30, 68] Operation: 5+63=68 Exploring Operation: 30-5=25, Resulting Numbers: [63, 25] Generated Node #0,0,2: 83:[63, 25] Operation: 30-5=25 Exploring Operation: 63-5=58, Resulting Numbers: [30, 58] Generated Node #0,0,3: 83:[30, 58] Operation: 63-5=58 Moving to Node #0,0,0 Current State: 83:[63, 35], Operations: ['29+1=30', '5+30=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,83 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[30, 68], Operations: ['29+1=30', '5+63=68'] Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,83 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,83 unequal: No Solution Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[30, 58], Operations: ['29+1=30', '63-5=58'] Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,83 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[63, 25], Operations: ['29+1=30', '30-5=25'] Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,83 unequal: No Solution Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[29, 5, 64], Operations: ['1+63=64'] Exploring Operation: 5+64=69, Resulting Numbers: [29, 69] Generated Node #0,1,0: 83:[29, 69] Operation: 5+64=69 Exploring Operation: 29+5=34, Resulting Numbers: [64, 34] Generated Node #0,1,1: 83:[64, 34] Operation: 29+5=34 Exploring Operation: 29-5=24, Resulting Numbers: [64, 24] Generated Node #0,1,2: 83:[64, 24] Operation: 29-5=24 Exploring Operation: 64-5=59, Resulting Numbers: [29, 59] Generated Node #0,1,3: 83:[29, 59] Operation: 64-5=59 Moving to Node #0,1,0 Current State: 83:[29, 69], Operations: ['1+63=64', '5+64=69'] Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[64, 34], Operations: ['1+63=64', '29+5=34'] Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[29, 59], Operations: ['1+63=64', '64-5=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[64, 24], Operations: ['1+63=64', '29-5=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[29, 63, 6], Operations: ['1+5=6'] Exploring Operation: 63+6=69, Resulting Numbers: [29, 69] Generated Node #0,2,0: 83:[29, 69] Operation: 63+6=69 Exploring Operation: 29+6=35, Resulting Numbers: [63, 35] Generated Node #0,2,1: 83:[63, 35] Operation: 29+6=35 Exploring Operation: 29-6=23, Resulting Numbers: [63, 23] Generated Node #0,2,2: 83:[63, 23] Operation: 29-6=23 Exploring Operation: 63-6=57, Resulting Numbers: [29, 57] Generated Node #0,2,3: 83:[29, 57] Operation: 63-6=57 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[29, 69], Operations: ['1+5=6', '63+6=69'] Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[63, 35], Operations: ['1+5=6', '29+6=35'] Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,83 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[63, 23], Operations: ['1+5=6', '29-6=23'] Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,83 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 83:[29, 57], Operations: ['1+5=6', '63-6=57'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,83 unequal: No Solution Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[1, 63, 34], Operations: ['29+5=34'] Exploring Operation: 1+34=35, Resulting Numbers: [63, 35] Generated Node #0,3,0: 83:[63, 35] Operation: 1+34=35 Exploring Operation: 1+63=64, Resulting Numbers: [34, 64] Generated Node #0,3,1: 83:[34, 64] Operation: 1+63=64 Exploring Operation: 63/1=63, Resulting Numbers: [34, 63] Generated Node #0,3,2: 83:[34, 63] Operation: 63/1=63 Exploring Operation: 1*63=63, Resulting Numbers: [34, 63] Generated Node #0,3,3: 83:[34, 63] Operation: 1*63=63 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[63, 35], Operations: ['29+5=34', '1+34=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,83 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 83:[34, 64], Operations: ['29+5=34', '1+63=64'] Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 34+64=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 34*64=2176, Resulting Numbers: [2176] 2176,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[34, 63], Operations: ['29+5=34', '63/1=63'] Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,83 unequal: No Solution Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 83:[34, 63], Operations: ['29+5=34', '1*63=63'] Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,83 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,83 unequal: No Solution Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 22, 90, 2, 84 ]
74
[ "22+84=106", "90*2=180", "180-106=74" ]
Current State: 74:[22, 90, 2, 84], Operations: [] Exploring Operation: 22+84=106, Resulting Numbers: [90, 2, 106] Generated Node #2: [90, 2, 106] from Operation: 22+84=106 Current State: 74:[90, 2, 106], Operations: ['22+84=106'] Exploring Operation: 90*2=180, Resulting Numbers: [106, 180] Generated Node #3: [106, 180] from Operation: 90*2=180 Current State: 74:[106, 180], Operations: ['22+84=106', '90*2=180'] Exploring Operation: 180-106=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[22, 90, 2, 84], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [22, 2, 6] Generated Node #0,0: 74:[22, 2, 6] Operation: 90-84=6 Exploring Operation: 22*2=44, Resulting Numbers: [90, 84, 44] Generated Node #0,1: 74:[90, 84, 44] Operation: 22*2=44 Exploring Operation: 84-22=62, Resulting Numbers: [90, 2, 62] Generated Node #0,2: 74:[90, 2, 62] Operation: 84-22=62 Exploring Operation: 90-22=68, Resulting Numbers: [2, 84, 68] Generated Node #0,3: 74:[2, 84, 68] Operation: 90-22=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[2, 84, 68], Operations: ['90-22=68'] Exploring Operation: 68/2=34, Resulting Numbers: [84, 34] Generated Node #0,3,0: 74:[84, 34] Operation: 68/2=34 Exploring Operation: 2+68=70, Resulting Numbers: [84, 70] Generated Node #0,3,1: 74:[84, 70] Operation: 2+68=70 Exploring Operation: 84-2=82, Resulting Numbers: [68, 82] Generated Node #0,3,2: 74:[68, 82] Operation: 84-2=82 Exploring Operation: 84/2=42, Resulting Numbers: [68, 42] Generated Node #0,3,3: 74:[68, 42] Operation: 84/2=42 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 74:[68, 42], Operations: ['90-22=68', '84/2=42'] Exploring Operation: 68*42=2856, Resulting Numbers: [2856] 2856,74 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 68+42=110, Resulting Numbers: [110] 110,74 unequal: No Solution No 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: 74:[84, 34], Operations: ['90-22=68', '68/2=34'] Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 84+34=118, Resulting Numbers: [118] 118,74 unequal: No Solution Exploring Operation: 84*34=2856, Resulting Numbers: [2856] 2856,74 unequal: No Solution No 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: 74:[84, 70], Operations: ['90-22=68', '2+68=70'] Exploring Operation: 84*70=5880, Resulting Numbers: [5880] 5880,74 unequal: No Solution Exploring Operation: 84+70=154, Resulting Numbers: [154] 154,74 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,74 unequal: No Solution No 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: 74:[68, 82], Operations: ['90-22=68', '84-2=82'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 68*82=5576, Resulting Numbers: [5576] 5576,74 unequal: No Solution Exploring Operation: 68+82=150, Resulting Numbers: [150] 150,74 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: 74:[22, 2, 6], Operations: ['90-84=6'] Exploring Operation: 22/2=11, Resulting Numbers: [6, 11] Generated Node #0,0,0: 74:[6, 11] Operation: 22/2=11 Exploring Operation: 22*2=44, Resulting Numbers: [6, 44] Generated Node #0,0,1: 74:[6, 44] Operation: 22*2=44 Exploring Operation: 22-6=16, Resulting Numbers: [2, 16] Generated Node #0,0,2: 74:[2, 16] Operation: 22-6=16 Exploring Operation: 22+6=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 74:[2, 28] Operation: 22+6=28 Moving to Node #0,0,3 Current State: 74:[2, 28], Operations: ['90-84=6', '22+6=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[6, 44], Operations: ['90-84=6', '22*2=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,74 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[6, 11], Operations: ['90-84=6', '22/2=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[2, 16], Operations: ['90-84=6', '22-6=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[90, 2, 62], Operations: ['84-22=62'] Exploring Operation: 62/2=31, Resulting Numbers: [90, 31] Generated Node #0,2,0: 74:[90, 31] Operation: 62/2=31 Exploring Operation: 90/2=45, Resulting Numbers: [62, 45] Generated Node #0,2,1: 74:[62, 45] Operation: 90/2=45 Exploring Operation: 90-2=88, Resulting Numbers: [62, 88] Generated Node #0,2,2: 74:[62, 88] Operation: 90-2=88 Exploring Operation: 90-62=28, Resulting Numbers: [2, 28] Generated Node #0,2,3: 74:[2, 28] Operation: 90-62=28 Moving to Node #0,2,3 Current State: 74:[2, 28], Operations: ['84-22=62', '90-62=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,74 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[62, 45], Operations: ['84-22=62', '90/2=45'] Exploring Operation: 62*45=2790, Resulting Numbers: [2790] 2790,74 unequal: No Solution Exploring Operation: 62+45=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[90, 31], Operations: ['84-22=62', '62/2=31'] Exploring Operation: 90+31=121, Resulting Numbers: [121] 121,74 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,74 unequal: No Solution Exploring Operation: 90*31=2790, Resulting Numbers: [2790] 2790,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[62, 88], Operations: ['84-22=62', '90-2=88'] Exploring Operation: 62+88=150, Resulting Numbers: [150] 150,74 unequal: No Solution Exploring Operation: 62*88=5456, Resulting Numbers: [5456] 5456,74 unequal: No Solution Exploring Operation: 88-62=26, Resulting Numbers: [26] 26,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[90, 84, 44], Operations: ['22*2=44'] Exploring Operation: 90-44=46, Resulting Numbers: [84, 46] Generated Node #0,1,0: 74:[84, 46] Operation: 90-44=46 Exploring Operation: 90+44=134, Resulting Numbers: [84, 134] Generated Node #0,1,1: 74:[84, 134] Operation: 90+44=134 Exploring Operation: 84-44=40, Resulting Numbers: [90, 40] Generated Node #0,1,2: 74:[90, 40] Operation: 84-44=40 Exploring Operation: 90-84=6, Resulting Numbers: [44, 6] Generated Node #0,1,3: 74:[44, 6] Operation: 90-84=6 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[44, 6], Operations: ['22*2=44', '90-84=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,74 unequal: No Solution No 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: 74:[84, 46], Operations: ['22*2=44', '90-44=46'] Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 84*46=3864, Resulting Numbers: [3864] 3864,74 unequal: No Solution Exploring Operation: 84+46=130, Resulting Numbers: [130] 130,74 unequal: No Solution No 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: 74:[90, 40], Operations: ['22*2=44', '84-44=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,74 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,74 unequal: No Solution No 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: 74:[84, 134], Operations: ['22*2=44', '90+44=134'] Exploring Operation: 134-84=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 84*134=11256, Resulting Numbers: [11256] 11256,74 unequal: No Solution Exploring Operation: 84+134=218, Resulting Numbers: [218] 218,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 56, 47, 73, 34 ]
94
[ "73-56=17", "47*34=1598", "1598/17=94" ]
Current State: 94:[56, 47, 73, 34], Operations: [] Exploring Operation: 73-56=17, Resulting Numbers: [47, 34, 17] Generated Node #2: [47, 34, 17] from Operation: 73-56=17 Current State: 94:[47, 34, 17], Operations: ['73-56=17'] Exploring Operation: 47*34=1598, Resulting Numbers: [17, 1598] Generated Node #3: [17, 1598] from Operation: 47*34=1598 Current State: 94:[17, 1598], Operations: ['73-56=17', '47*34=1598'] Exploring Operation: 1598/17=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[56, 47, 73, 34], Operations: [] Exploring Operation: 73-34=39, Resulting Numbers: [56, 47, 39] Generated Node #0,0: 94:[56, 47, 39] Operation: 73-34=39 Moving to Node #0,0 Current State: 94:[56, 47, 39], Operations: ['73-34=39'] Exploring Operation: 56+39=95, Resulting Numbers: [47, 95] Generated Node #0,0,0: 94:[47, 95] Operation: 56+39=95 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[47, 95], Operations: ['73-34=39', '56+39=95'] Exploring Operation: 95-47=48, Resulting Numbers: [48] 48,94 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
[ 43, 16, 65, 81 ]
12
[ "43+65=108", "16*81=1296", "1296/108=12" ]
Current State: 12:[43, 16, 65, 81], Operations: [] Exploring Operation: 43+65=108, Resulting Numbers: [16, 81, 108] Generated Node #2: [16, 81, 108] from Operation: 43+65=108 Current State: 12:[16, 81, 108], Operations: ['43+65=108'] Exploring Operation: 16*81=1296, Resulting Numbers: [108, 1296] Generated Node #3: [108, 1296] from Operation: 16*81=1296 Current State: 12:[108, 1296], Operations: ['43+65=108', '16*81=1296'] Exploring Operation: 1296/108=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[43, 16, 65, 81], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [65, 81, 27] Generated Node #0,0: 12:[65, 81, 27] Operation: 43-16=27 Exploring Operation: 65-16=49, Resulting Numbers: [43, 81, 49] Generated Node #0,1: 12:[43, 81, 49] Operation: 65-16=49 Exploring Operation: 81-65=16, Resulting Numbers: [43, 16, 16] Generated Node #0,2: 12:[43, 16, 16] Operation: 81-65=16 Exploring Operation: 65-43=22, Resulting Numbers: [16, 81, 22] Generated Node #0,3: 12:[16, 81, 22] Operation: 65-43=22 Exploring Operation: 81-43=38, Resulting Numbers: [16, 65, 38] Generated Node #0,4: 12:[16, 65, 38] Operation: 81-43=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[43, 16, 16], Operations: ['81-65=16'] Exploring Operation: 43-16=27, Resulting Numbers: [16, 27] Generated Node #0,2,0: 12:[16, 27] Operation: 43-16=27 Exploring Operation: 16-16=0, Resulting Numbers: [43, 0] Generated Node #0,2,1: 12:[43, 0] Operation: 16-16=0 Exploring Operation: 43+16=59, Resulting Numbers: [16, 59] Generated Node #0,2,2: 12:[16, 59] Operation: 43+16=59 Exploring Operation: 43-16=27, Resulting Numbers: [16, 27] Generated Node #0,2,3: 12:[16, 27] Operation: 43-16=27 Exploring Operation: 16/16=1, Resulting Numbers: [43, 1] Generated Node #0,2,4: 12:[43, 1] Operation: 16/16=1 Moving to Node #0,2,0 Current State: 12:[16, 27], Operations: ['81-65=16', '43-16=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[16, 27], Operations: ['81-65=16', '43-16=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,12 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,12 unequal: No Solution Moving to Node #0,2,4 Current State: 12:[43, 1], Operations: ['81-65=16', '16/16=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,12 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,12 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[43, 0], Operations: ['81-65=16', '16-16=0'] Exploring Operation: 43+0=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 43-0=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 43*0=0, Resulting Numbers: [0] 0,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[16, 59], Operations: ['81-65=16', '43+16=59'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,12 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[16, 81, 22], Operations: ['65-43=22'] Exploring Operation: 16+22=38, Resulting Numbers: [81, 38] Generated Node #0,3,0: 12:[81, 38] Operation: 16+22=38 Exploring Operation: 81-22=59, Resulting Numbers: [16, 59] Generated Node #0,3,1: 12:[16, 59] Operation: 81-22=59 Exploring Operation: 81-16=65, Resulting Numbers: [22, 65] Generated Node #0,3,2: 12:[22, 65] Operation: 81-16=65 Exploring Operation: 16+81=97, Resulting Numbers: [22, 97] Generated Node #0,3,3: 12:[22, 97] Operation: 16+81=97 Exploring Operation: 22-16=6, Resulting Numbers: [81, 6] Generated Node #0,3,4: 12:[81, 6] Operation: 22-16=6 Moving to Node #0,3,1 Current State: 12:[16, 59], Operations: ['65-43=22', '81-22=59'] Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,12 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[22, 65], Operations: ['65-43=22', '81-16=65'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 22*65=1430, Resulting Numbers: [1430] 1430,12 unequal: No Solution Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,12 unequal: No Solution Moving to Node #0,3,4 Current State: 12:[81, 6], Operations: ['65-43=22', '22-16=6'] Exploring Operation: 81*6=486, Resulting Numbers: [486] 486,12 unequal: No Solution Exploring Operation: 81+6=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[81, 38], Operations: ['65-43=22', '16+22=38'] Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 81+38=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 81*38=3078, Resulting Numbers: [3078] 3078,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[22, 97], Operations: ['65-43=22', '16+81=97'] Exploring Operation: 22+97=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 22*97=2134, Resulting Numbers: [2134] 2134,12 unequal: No Solution Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 12:[16, 65, 38], Operations: ['81-43=38'] Exploring Operation: 65-16=49, Resulting Numbers: [38, 49] Generated Node #0,4,0: 12:[38, 49] Operation: 65-16=49 Exploring Operation: 38-16=22, Resulting Numbers: [65, 22] Generated Node #0,4,1: 12:[65, 22] Operation: 38-16=22 Exploring Operation: 16+38=54, Resulting Numbers: [65, 54] Generated Node #0,4,2: 12:[65, 54] Operation: 16+38=54 Exploring Operation: 16+65=81, Resulting Numbers: [38, 81] Generated Node #0,4,3: 12:[38, 81] Operation: 16+65=81 Exploring Operation: 65-38=27, Resulting Numbers: [16, 27] Generated Node #0,4,4: 12:[16, 27] Operation: 65-38=27 Moving to Node #0,4,4 Current State: 12:[16, 27], Operations: ['81-43=38', '65-38=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,12 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,4,1 Current State: 12:[65, 22], Operations: ['81-43=38', '38-16=22'] Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,12 unequal: No Solution Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,12 unequal: No Solution Moving to Node #0,4,0 Current State: 12:[38, 49], Operations: ['81-43=38', '65-16=49'] Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 38+49=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 38*49=1862, Resulting Numbers: [1862] 1862,12 unequal: No Solution Moving to Node #0,4,2 Current State: 12:[65, 54], Operations: ['81-43=38', '16+38=54'] Exploring Operation: 65*54=3510, Resulting Numbers: [3510] 3510,12 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,12 unequal: No Solution Moving to Node #0,4,3 Current State: 12:[38, 81], Operations: ['81-43=38', '16+65=81'] Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 38*81=3078, Resulting Numbers: [3078] 3078,12 unequal: No Solution Exploring Operation: 38+81=119, Resulting Numbers: [119] 119,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[65, 81, 27], Operations: ['43-16=27'] Exploring Operation: 65+81=146, Resulting Numbers: [27, 146] Generated Node #0,0,0: 12:[27, 146] Operation: 65+81=146 Exploring Operation: 81-27=54, Resulting Numbers: [65, 54] Generated Node #0,0,1: 12:[65, 54] Operation: 81-27=54 Exploring Operation: 65-27=38, Resulting Numbers: [81, 38] Generated Node #0,0,2: 12:[81, 38] Operation: 65-27=38 Exploring Operation: 81/27=3, Resulting Numbers: [65, 3] Generated Node #0,0,3: 12:[65, 3] Operation: 81/27=3 Exploring Operation: 81-65=16, Resulting Numbers: [27, 16] Generated Node #0,0,4: 12:[27, 16] Operation: 81-65=16 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 12:[27, 16], Operations: ['43-16=27', '81-65=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,12 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 12:[65, 3], Operations: ['43-16=27', '81/27=3'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,12 unequal: No Solution Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,12 unequal: No Solution Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[65, 54], Operations: ['43-16=27', '81-27=54'] Exploring Operation: 65+54=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 65*54=3510, Resulting Numbers: [3510] 3510,12 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 12:[81, 38], Operations: ['43-16=27', '65-27=38'] Exploring Operation: 81*38=3078, Resulting Numbers: [3078] 3078,12 unequal: No Solution Exploring Operation: 81+38=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[27, 146], Operations: ['43-16=27', '65+81=146'] Exploring Operation: 27*146=3942, Resulting Numbers: [3942] 3942,12 unequal: No Solution Exploring Operation: 146-27=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 27+146=173, Resulting Numbers: [173] 173,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[43, 81, 49], Operations: ['65-16=49'] Exploring Operation: 81-43=38, Resulting Numbers: [49, 38] Generated Node #0,1,0: 12:[49, 38] Operation: 81-43=38 Exploring Operation: 81-49=32, Resulting Numbers: [43, 32] Generated Node #0,1,1: 12:[43, 32] Operation: 81-49=32 Exploring Operation: 43+81=124, Resulting Numbers: [49, 124] Generated Node #0,1,2: 12:[49, 124] Operation: 43+81=124 Exploring Operation: 49-43=6, Resulting Numbers: [81, 6] Generated Node #0,1,3: 12:[81, 6] Operation: 49-43=6 Exploring Operation: 43+49=92, Resulting Numbers: [81, 92] Generated Node #0,1,4: 12:[81, 92] Operation: 43+49=92 Moving to Node #0,1,1 Current State: 12:[43, 32], Operations: ['65-16=49', '81-49=32'] Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,12 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[49, 38], Operations: ['65-16=49', '81-43=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,12 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[81, 6], Operations: ['65-16=49', '49-43=6'] Exploring Operation: 81+6=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 81*6=486, Resulting Numbers: [486] 486,12 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[49, 124], Operations: ['65-16=49', '43+81=124'] Exploring Operation: 49*124=6076, Resulting Numbers: [6076] 6076,12 unequal: No Solution Exploring Operation: 49+124=173, Resulting Numbers: [173] 173,12 unequal: No Solution Exploring Operation: 124-49=75, Resulting Numbers: [75] 75,12 unequal: No Solution Moving to Node #0,1,4 Current State: 12:[81, 92], Operations: ['65-16=49', '43+49=92'] Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 81*92=7452, Resulting Numbers: [7452] 7452,12 unequal: No Solution Exploring Operation: 81+92=173, Resulting Numbers: [173] 173,12 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
[ 37, 35, 42, 33 ]
28
[ "37-33=4", "42-35=7", "4*7=28" ]
Current State: 28:[37, 35, 42, 33], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [35, 42, 4] Generated Node #2: [35, 42, 4] from Operation: 37-33=4 Current State: 28:[35, 42, 4], Operations: ['37-33=4'] Exploring Operation: 42-35=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 42-35=7 Current State: 28:[4, 7], Operations: ['37-33=4', '42-35=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[37, 35, 42, 33], Operations: [] Exploring Operation: 42-37=5, Resulting Numbers: [35, 33, 5] Generated Node #0,0: 28:[35, 33, 5] Operation: 42-37=5 Exploring Operation: 42-35=7, Resulting Numbers: [37, 33, 7] Generated Node #0,1: 28:[37, 33, 7] Operation: 42-35=7 Moving to Node #0,0 Current State: 28:[35, 33, 5], Operations: ['42-37=5'] Exploring Operation: 35/5=7, Resulting Numbers: [33, 7] Generated Node #0,0,0: 28:[33, 7] Operation: 35/5=7 Exploring Operation: 35-33=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 28:[5, 2] Operation: 35-33=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[5, 2], Operations: ['42-37=5', '35-33=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,28 unequal: No Solution No 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: 28:[33, 7], Operations: ['42-37=5', '35/5=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,28 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,28 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: 28:[37, 33, 7], Operations: ['42-35=7'] Exploring Operation: 37-33=4, Resulting Numbers: [7, 4] Generated Node #0,1,0: 28:[7, 4] Operation: 37-33=4 Exploring Operation: 37-7=30, Resulting Numbers: [33, 30] Generated Node #0,1,1: 28:[33, 30] Operation: 37-7=30 Moving to Node #0,1,0 Current State: 28:[7, 4], Operations: ['42-35=7', '37-33=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[37, 35, 42, 33], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [37, 33, 7] Generated Node #0,1: 28:[37, 33, 7] Operation: 42-35=7 Moving to Node #0,1 Current State: 28:[37, 33, 7], Operations: ['42-35=7'] Exploring Operation: 37-33=4, Resulting Numbers: [7, 4] Generated Node #0,1,0: 28:[7, 4] Operation: 37-33=4 Moving to Node #0,1,0 Current State: 28:[7, 4], Operations: ['42-35=7', '37-33=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 84, 9, 51, 36 ]
78
[ "84+9=93", "51-36=15", "93-15=78" ]
Current State: 78:[84, 9, 51, 36], Operations: [] Exploring Operation: 84+9=93, Resulting Numbers: [51, 36, 93] Generated Node #2: [51, 36, 93] from Operation: 84+9=93 Current State: 78:[51, 36, 93], Operations: ['84+9=93'] Exploring Operation: 51-36=15, Resulting Numbers: [93, 15] Generated Node #3: [93, 15] from Operation: 51-36=15 Current State: 78:[93, 15], Operations: ['84+9=93', '51-36=15'] Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[84, 9, 51, 36], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [9, 36, 33] Generated Node #0,0: 78:[9, 36, 33] Operation: 84-51=33 Exploring Operation: 51-9=42, Resulting Numbers: [84, 36, 42] Generated Node #0,1: 78:[84, 36, 42] Operation: 51-9=42 Exploring Operation: 51-36=15, Resulting Numbers: [84, 9, 15] Generated Node #0,2: 78:[84, 9, 15] Operation: 51-36=15 Moving to Node #0,2 Current State: 78:[84, 9, 15], Operations: ['51-36=15'] Exploring Operation: 9+15=24, Resulting Numbers: [84, 24] Generated Node #0,2,0: 78:[84, 24] Operation: 9+15=24 Exploring Operation: 84-9=75, Resulting Numbers: [15, 75] Generated Node #0,2,1: 78:[15, 75] Operation: 84-9=75 Exploring Operation: 15-9=6, Resulting Numbers: [84, 6] Generated Node #0,2,2: 78:[84, 6] Operation: 15-9=6 Moving to Node #0,0 Current State: 78:[9, 36, 33], Operations: ['84-51=33'] Exploring Operation: 33-9=24, Resulting Numbers: [36, 24] Generated Node #0,0,0: 78:[36, 24] Operation: 33-9=24 Exploring Operation: 36-33=3, Resulting Numbers: [9, 3] Generated Node #0,0,1: 78:[9, 3] Operation: 36-33=3 Exploring Operation: 9+33=42, Resulting Numbers: [36, 42] Generated Node #0,0,2: 78:[36, 42] Operation: 9+33=42 Moving to Node #0,1 Current State: 78:[84, 36, 42], Operations: ['51-9=42'] Exploring Operation: 84-42=42, Resulting Numbers: [36, 42] Generated Node #0,1,0: 78:[36, 42] Operation: 84-42=42 Exploring Operation: 36+42=78, Resulting Numbers: [84, 78] Generated Node #0,1,1: 78:[84, 78] Operation: 36+42=78 Exploring Operation: 84/42=2, Resulting Numbers: [36, 2] Generated Node #0,1,2: 78:[36, 2] Operation: 84/42=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 78:[36, 2], Operations: ['51-9=42', '84/42=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,78 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,78 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:[36, 42], Operations: ['51-9=42', '84-42=42'] Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[84, 9, 51, 36], Operations: [] Exploring Operation: 51-9=42, Resulting Numbers: [84, 36, 42] Generated Node #0,1: 78:[84, 36, 42] Operation: 51-9=42 Moving to Node #0,1 Current State: 78:[84, 36, 42], Operations: ['51-9=42'] Exploring Operation: 84-42=42, Resulting Numbers: [36, 42] Generated Node #0,1,0: 78:[36, 42] Operation: 84-42=42 Moving to Node #0,1,0 Current State: 78:[36, 42], Operations: ['51-9=42', '84-42=42'] Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
sum_heuristic
[ 72, 78, 52, 80 ]
74
[ "72-52=20", "80/20=4", "78-4=74" ]
Current State: 74:[72, 78, 52, 80], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [78, 80, 20] Generated Node #2: [78, 80, 20] from Operation: 72-52=20 Current State: 74:[78, 80, 20], Operations: ['72-52=20'] Exploring Operation: 80/20=4, Resulting Numbers: [78, 4] Generated Node #3: [78, 4] from Operation: 80/20=4 Current State: 74:[78, 4], Operations: ['72-52=20', '80/20=4'] Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[72, 78, 52, 80], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [72, 78, 28] Generated Node #0,0: 74:[72, 78, 28] Operation: 80-52=28 Exploring Operation: 80-78=2, Resulting Numbers: [72, 52, 2] Generated Node #0,1: 74:[72, 52, 2] Operation: 80-78=2 Exploring Operation: 78-52=26, Resulting Numbers: [72, 80, 26] Generated Node #0,2: 74:[72, 80, 26] Operation: 78-52=26 Moving to Node #0,0 Current State: 74:[72, 78, 28], Operations: ['80-52=28'] Exploring Operation: 78-28=50, Resulting Numbers: [72, 50] Generated Node #0,0,0: 74:[72, 50] Operation: 78-28=50 Exploring Operation: 78-72=6, Resulting Numbers: [28, 6] Generated Node #0,0,1: 74:[28, 6] Operation: 78-72=6 Exploring Operation: 72-28=44, Resulting Numbers: [78, 44] Generated Node #0,0,2: 74:[78, 44] Operation: 72-28=44 Moving to Node #0,1 Current State: 74:[72, 52, 2], Operations: ['80-78=2'] Exploring Operation: 52-2=50, Resulting Numbers: [72, 50] Generated Node #0,1,0: 74:[72, 50] Operation: 52-2=50 Exploring Operation: 52/2=26, Resulting Numbers: [72, 26] Generated Node #0,1,1: 74:[72, 26] Operation: 52/2=26 Exploring Operation: 72+2=74, Resulting Numbers: [52, 74] Generated Node #0,1,2: 74:[52, 74] Operation: 72+2=74 Moving to Node #0,2 Current State: 74:[72, 80, 26], Operations: ['78-52=26'] Exploring Operation: 72-26=46, Resulting Numbers: [80, 46] Generated Node #0,2,0: 74:[80, 46] Operation: 72-26=46 Exploring Operation: 80-26=54, Resulting Numbers: [72, 54] Generated Node #0,2,1: 74:[72, 54] Operation: 80-26=54 Exploring Operation: 80-72=8, Resulting Numbers: [26, 8] Generated Node #0,2,2: 74:[26, 8] Operation: 80-72=8 Moving to Node #0,0,2 Current State: 74:[78, 44], Operations: ['80-52=28', '72-28=44'] Exploring Operation: 78*44=3432, Resulting Numbers: [3432] 3432,74 unequal: No Solution Exploring Operation: 78+44=122, Resulting Numbers: [122] 122,74 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[28, 6], Operations: ['80-52=28', '78-72=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,74 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,74 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[72, 26], Operations: ['80-78=2', '52/2=26'] Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,74 unequal: No Solution Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[72, 50], Operations: ['80-52=28', '78-28=50'] Exploring Operation: 72*50=3600, Resulting Numbers: [3600] 3600,74 unequal: No Solution Exploring Operation: 72+50=122, Resulting Numbers: [122] 122,74 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[52, 74], Operations: ['80-78=2', '72+2=74'] Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,74 unequal: No Solution Exploring Operation: 52*74=3848, Resulting Numbers: [3848] 3848,74 unequal: No Solution Exploring Operation: 52+74=126, Resulting Numbers: [126] 126,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[80, 46], Operations: ['78-52=26', '72-26=46'] Exploring Operation: 80+46=126, Resulting Numbers: [126] 126,74 unequal: No Solution Exploring Operation: 80*46=3680, Resulting Numbers: [3680] 3680,74 unequal: No Solution Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[72, 50], Operations: ['80-78=2', '52-2=50'] Exploring Operation: 72*50=3600, Resulting Numbers: [3600] 3600,74 unequal: No Solution Exploring Operation: 72+50=122, Resulting Numbers: [122] 122,74 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[26, 8], Operations: ['78-52=26', '80-72=8'] Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,74 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[72, 54], Operations: ['78-52=26', '80-26=54'] Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,74 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,74 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 3, 52, 19, 50 ]
95
[ "3+52=55", "55-50=5", "19*5=95" ]
Current State: 95:[3, 52, 19, 50], Operations: [] Exploring Operation: 3+52=55, Resulting Numbers: [19, 50, 55] Generated Node #2: [19, 50, 55] from Operation: 3+52=55 Current State: 95:[19, 50, 55], Operations: ['3+52=55'] Exploring Operation: 55-50=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 55-50=5 Current State: 95:[19, 5], Operations: ['3+52=55', '55-50=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[3, 52, 19, 50], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [3, 19, 2] Generated Node #0,0: 95:[3, 19, 2] Operation: 52-50=2 Exploring Operation: 52+19=71, Resulting Numbers: [3, 50, 71] Generated Node #0,1: 95:[3, 50, 71] Operation: 52+19=71 Exploring Operation: 52+50=102, Resulting Numbers: [3, 19, 102] Generated Node #0,2: 95:[3, 19, 102] Operation: 52+50=102 Exploring Operation: 52-19=33, Resulting Numbers: [3, 50, 33] Generated Node #0,3: 95:[3, 50, 33] Operation: 52-19=33 Exploring Operation: 50-19=31, Resulting Numbers: [3, 52, 31] Generated Node #0,4: 95:[3, 52, 31] Operation: 50-19=31 Moving to Node #0,0 Current State: 95:[3, 19, 2], Operations: ['52-50=2'] Exploring Operation: 3*2=6, Resulting Numbers: [19, 6] Generated Node #0,0,0: 95:[19, 6] Operation: 3*2=6 Exploring Operation: 19-2=17, Resulting Numbers: [3, 17] Generated Node #0,0,1: 95:[3, 17] Operation: 19-2=17 Exploring Operation: 3+2=5, Resulting Numbers: [19, 5] Generated Node #0,0,2: 95:[19, 5] Operation: 3+2=5 Exploring Operation: 3-2=1, Resulting Numbers: [19, 1] Generated Node #0,0,3: 95:[19, 1] Operation: 3-2=1 Exploring Operation: 19+2=21, Resulting Numbers: [3, 21] Generated Node #0,0,4: 95:[3, 21] Operation: 19+2=21 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[19, 5], Operations: ['52-50=2', '3+2=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[3, 52, 19, 50], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [3, 19, 2] Generated Node #0,0: 95:[3, 19, 2] Operation: 52-50=2 Moving to Node #0,0 Current State: 95:[3, 19, 2], Operations: ['52-50=2'] Exploring Operation: 3+2=5, Resulting Numbers: [19, 5] Generated Node #0,0,2: 95:[19, 5] Operation: 3+2=5 Moving to Node #0,0,2 Current State: 95:[19, 5], Operations: ['52-50=2', '3+2=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 85, 35, 59, 16 ]
26
[ "85+59=144", "144/16=9", "35-9=26" ]
Current State: 26:[85, 35, 59, 16], Operations: [] Exploring Operation: 85+59=144, Resulting Numbers: [35, 16, 144] Generated Node #2: [35, 16, 144] from Operation: 85+59=144 Current State: 26:[35, 16, 144], Operations: ['85+59=144'] Exploring Operation: 144/16=9, Resulting Numbers: [35, 9] Generated Node #3: [35, 9] from Operation: 144/16=9 Current State: 26:[35, 9], Operations: ['85+59=144', '144/16=9'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[85, 35, 59, 16], Operations: [] Exploring Operation: 85-35=50, Resulting Numbers: [59, 16, 50] Generated Node #0,0: 26:[59, 16, 50] Operation: 85-35=50 Exploring Operation: 59-16=43, Resulting Numbers: [85, 35, 43] Generated Node #0,1: 26:[85, 35, 43] Operation: 59-16=43 Exploring Operation: 85-59=26, Resulting Numbers: [35, 16, 26] Generated Node #0,2: 26:[35, 16, 26] Operation: 85-59=26 Exploring Operation: 85-16=69, Resulting Numbers: [35, 59, 69] Generated Node #0,3: 26:[35, 59, 69] Operation: 85-16=69 Exploring Operation: 59-35=24, Resulting Numbers: [85, 16, 24] Generated Node #0,4: 26:[85, 16, 24] Operation: 59-35=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[35, 16, 26], Operations: ['85-59=26'] Exploring Operation: 26-16=10, Resulting Numbers: [35, 10] Generated Node #0,2,0: 26:[35, 10] Operation: 26-16=10 Exploring Operation: 35+16=51, Resulting Numbers: [26, 51] Generated Node #0,2,1: 26:[26, 51] Operation: 35+16=51 Exploring Operation: 35-26=9, Resulting Numbers: [16, 9] Generated Node #0,2,2: 26:[16, 9] Operation: 35-26=9 Exploring Operation: 35-16=19, Resulting Numbers: [26, 19] Generated Node #0,2,3: 26:[26, 19] Operation: 35-16=19 Exploring Operation: 16+26=42, Resulting Numbers: [35, 42] Generated Node #0,2,4: 26:[35, 42] Operation: 16+26=42 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 26:[26, 19], Operations: ['85-59=26', '35-16=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,26 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,26 unequal: No Solution No 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: 26:[16, 9], Operations: ['85-59=26', '35-26=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,26 unequal: No Solution No 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: 26:[35, 10], Operations: ['85-59=26', '26-16=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,26 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,26 unequal: No Solution No 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: 26:[26, 51], Operations: ['85-59=26', '35+16=51'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 26*51=1326, Resulting Numbers: [1326] 1326,26 unequal: No Solution Exploring Operation: 26+51=77, Resulting Numbers: [77] 77,26 unequal: No Solution No 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: 26:[35, 42], Operations: ['85-59=26', '16+26=42'] Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,26 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,26 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: 26:[59, 16, 50], Operations: ['85-35=50'] Exploring Operation: 16+50=66, Resulting Numbers: [59, 66] Generated Node #0,0,0: 26:[59, 66] Operation: 16+50=66 Exploring Operation: 59-16=43, Resulting Numbers: [50, 43] Generated Node #0,0,1: 26:[50, 43] Operation: 59-16=43 Exploring Operation: 59+16=75, Resulting Numbers: [50, 75] Generated Node #0,0,2: 26:[50, 75] Operation: 59+16=75 Exploring Operation: 59-50=9, Resulting Numbers: [16, 9] Generated Node #0,0,3: 26:[16, 9] Operation: 59-50=9 Exploring Operation: 50-16=34, Resulting Numbers: [59, 34] Generated Node #0,0,4: 26:[59, 34] Operation: 50-16=34 Moving to Node #0,0,3 Current State: 26:[16, 9], Operations: ['85-35=50', '59-50=9'] Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,26 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,26 unequal: No Solution Moving to Node #0,0,4 Current State: 26:[59, 34], Operations: ['85-35=50', '50-16=34'] Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,26 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[50, 43], Operations: ['85-35=50', '59-16=43'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 50+43=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 50*43=2150, Resulting Numbers: [2150] 2150,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[59, 66], Operations: ['85-35=50', '16+50=66'] Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 59*66=3894, Resulting Numbers: [3894] 3894,26 unequal: No Solution Exploring Operation: 59+66=125, Resulting Numbers: [125] 125,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[50, 75], Operations: ['85-35=50', '59+16=75'] Exploring Operation: 50+75=125, Resulting Numbers: [125] 125,26 unequal: No Solution Exploring Operation: 50*75=3750, Resulting Numbers: [3750] 3750,26 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 26:[85, 16, 24], Operations: ['59-35=24'] Exploring Operation: 85-24=61, Resulting Numbers: [16, 61] Generated Node #0,4,0: 26:[16, 61] Operation: 85-24=61 Exploring Operation: 24-16=8, Resulting Numbers: [85, 8] Generated Node #0,4,1: 26:[85, 8] Operation: 24-16=8 Exploring Operation: 16+24=40, Resulting Numbers: [85, 40] Generated Node #0,4,2: 26:[85, 40] Operation: 16+24=40 Exploring Operation: 85+16=101, Resulting Numbers: [24, 101] Generated Node #0,4,3: 26:[24, 101] Operation: 85+16=101 Exploring Operation: 85-16=69, Resulting Numbers: [24, 69] Generated Node #0,4,4: 26:[24, 69] Operation: 85-16=69 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 26:[16, 61], Operations: ['59-35=24', '85-24=61'] Exploring Operation: 16*61=976, Resulting Numbers: [976] 976,26 unequal: No Solution Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,26 unequal: No Solution No 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: 26:[24, 69], Operations: ['59-35=24', '85-16=69'] Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 24+69=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 24*69=1656, Resulting Numbers: [1656] 1656,26 unequal: No Solution No 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: 26:[85, 8], Operations: ['59-35=24', '24-16=8'] Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,26 unequal: No Solution Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,26 unequal: No Solution No 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: 26:[85, 40], Operations: ['59-35=24', '16+24=40'] Exploring Operation: 85*40=3400, Resulting Numbers: [3400] 3400,26 unequal: No Solution Exploring Operation: 85-40=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 85+40=125, Resulting Numbers: [125] 125,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 26:[24, 101], Operations: ['59-35=24', '85+16=101'] Exploring Operation: 24+101=125, Resulting Numbers: [125] 125,26 unequal: No Solution Exploring Operation: 24*101=2424, Resulting Numbers: [2424] 2424,26 unequal: No Solution Exploring Operation: 101-24=77, Resulting Numbers: [77] 77,26 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: 26:[85, 35, 43], Operations: ['59-16=43'] Exploring Operation: 85-43=42, Resulting Numbers: [35, 42] Generated Node #0,1,0: 26:[35, 42] Operation: 85-43=42 Exploring Operation: 85-35=50, Resulting Numbers: [43, 50] Generated Node #0,1,1: 26:[43, 50] Operation: 85-35=50 Exploring Operation: 85+35=120, Resulting Numbers: [43, 120] Generated Node #0,1,2: 26:[43, 120] Operation: 85+35=120 Exploring Operation: 85+43=128, Resulting Numbers: [35, 128] Generated Node #0,1,3: 26:[35, 128] Operation: 85+43=128 Exploring Operation: 43-35=8, Resulting Numbers: [85, 8] Generated Node #0,1,4: 26:[85, 8] Operation: 43-35=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[35, 42], Operations: ['59-16=43', '85-43=42'] Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 35*42=1470, Resulting Numbers: [1470] 1470,26 unequal: No Solution No 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: 26:[43, 50], Operations: ['59-16=43', '85-35=50'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,26 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,26 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,26 unequal: No Solution No 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: 26:[85, 8], Operations: ['59-16=43', '43-35=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,26 unequal: No Solution Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,26 unequal: No Solution No 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: 26:[43, 120], Operations: ['59-16=43', '85+35=120'] Exploring Operation: 120-43=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 43+120=163, Resulting Numbers: [163] 163,26 unequal: No Solution Exploring Operation: 43*120=5160, Resulting Numbers: [5160] 5160,26 unequal: No Solution No 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: 26:[35, 128], Operations: ['59-16=43', '85+43=128'] Exploring Operation: 35*128=4480, Resulting Numbers: [4480] 4480,26 unequal: No Solution Exploring Operation: 35+128=163, Resulting Numbers: [163] 163,26 unequal: No Solution Exploring Operation: 128-35=93, Resulting Numbers: [93] 93,26 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: 26:[35, 59, 69], Operations: ['85-16=69'] Exploring Operation: 69-59=10, Resulting Numbers: [35, 10] Generated Node #0,3,0: 26:[35, 10] Operation: 69-59=10 Exploring Operation: 69-35=34, Resulting Numbers: [59, 34] Generated Node #0,3,1: 26:[59, 34] Operation: 69-35=34 Exploring Operation: 59-35=24, Resulting Numbers: [69, 24] Generated Node #0,3,2: 26:[69, 24] Operation: 59-35=24 Exploring Operation: 35+69=104, Resulting Numbers: [59, 104] Generated Node #0,3,3: 26:[59, 104] Operation: 35+69=104 Exploring Operation: 35+59=94, Resulting Numbers: [69, 94] Generated Node #0,3,4: 26:[69, 94] Operation: 35+59=94 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[35, 10], Operations: ['85-16=69', '69-59=10'] Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,26 unequal: No Solution Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,26 unequal: No Solution No 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: 26:[59, 34], Operations: ['85-16=69', '69-35=34'] Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,26 unequal: No Solution Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,26 unequal: No Solution No 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: 26:[69, 24], Operations: ['85-16=69', '59-35=24'] Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 69+24=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 69*24=1656, Resulting Numbers: [1656] 1656,26 unequal: No Solution No 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: 26:[59, 104], Operations: ['85-16=69', '35+69=104'] Exploring Operation: 59+104=163, Resulting Numbers: [163] 163,26 unequal: No Solution Exploring Operation: 104-59=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 59*104=6136, Resulting Numbers: [6136] 6136,26 unequal: No Solution No 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: 26:[69, 94], Operations: ['85-16=69', '35+59=94'] Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 69+94=163, Resulting Numbers: [163] 163,26 unequal: No Solution Exploring Operation: 69*94=6486, Resulting Numbers: [6486] 6486,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 77, 40, 39, 62 ]
31
[ "77-40=37", "39-37=2", "62/2=31" ]
Current State: 31:[77, 40, 39, 62], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [39, 62, 37] Generated Node #2: [39, 62, 37] from Operation: 77-40=37 Current State: 31:[39, 62, 37], Operations: ['77-40=37'] Exploring Operation: 39-37=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 39-37=2 Current State: 31:[62, 2], Operations: ['77-40=37', '39-37=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[77, 40, 39, 62], Operations: [] Exploring Operation: 77-39=38, Resulting Numbers: [40, 62, 38] Generated Node #0,0: 31:[40, 62, 38] Operation: 77-39=38 Exploring Operation: 77-40=37, Resulting Numbers: [39, 62, 37] Generated Node #0,1: 31:[39, 62, 37] Operation: 77-40=37 Exploring Operation: 77-62=15, Resulting Numbers: [40, 39, 15] Generated Node #0,2: 31:[40, 39, 15] Operation: 77-62=15 Exploring Operation: 62-40=22, Resulting Numbers: [77, 39, 22] Generated Node #0,3: 31:[77, 39, 22] Operation: 62-40=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[40, 39, 15], Operations: ['77-62=15'] Exploring Operation: 39+15=54, Resulting Numbers: [40, 54] Generated Node #0,2,0: 31:[40, 54] Operation: 39+15=54 Exploring Operation: 40-15=25, Resulting Numbers: [39, 25] Generated Node #0,2,1: 31:[39, 25] Operation: 40-15=25 Exploring Operation: 39-15=24, Resulting Numbers: [40, 24] Generated Node #0,2,2: 31:[40, 24] Operation: 39-15=24 Exploring Operation: 40+15=55, Resulting Numbers: [39, 55] Generated Node #0,2,3: 31:[39, 55] Operation: 40+15=55 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 31:[39, 25], Operations: ['77-62=15', '40-15=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,31 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,31 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 #0,2,2 Current State: 31:[40, 24], Operations: ['77-62=15', '39-15=24'] Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 40*24=960, Resulting Numbers: [960] 960,31 unequal: No Solution Exploring Operation: 40+24=64, Resulting Numbers: [64] 64,31 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 #0,2,0 Current State: 31:[40, 54], Operations: ['77-62=15', '39+15=54'] Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,31 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,31 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 #0,2,3 Current State: 31:[39, 55], Operations: ['77-62=15', '40+15=55'] Exploring Operation: 39*55=2145, Resulting Numbers: [2145] 2145,31 unequal: No Solution Exploring Operation: 39+55=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 55-39=16, Resulting Numbers: [16] 16,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[39, 62, 37], Operations: ['77-40=37'] Exploring Operation: 39-37=2, Resulting Numbers: [62, 2] Generated Node #0,1,0: 31:[62, 2] Operation: 39-37=2 Exploring Operation: 62-37=25, Resulting Numbers: [39, 25] Generated Node #0,1,1: 31:[39, 25] Operation: 62-37=25 Exploring Operation: 39+62=101, Resulting Numbers: [37, 101] Generated Node #0,1,2: 31:[37, 101] Operation: 39+62=101 Exploring Operation: 62-39=23, Resulting Numbers: [37, 23] Generated Node #0,1,3: 31:[37, 23] Operation: 62-39=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[39, 25], Operations: ['77-40=37', '62-37=25'] Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,31 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 31:[37, 23], Operations: ['77-40=37', '62-39=23'] Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,31 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[62, 2], Operations: ['77-40=37', '39-37=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[77, 40, 39, 62], Operations: [] Exploring Operation: 77-40=37, Resulting Numbers: [39, 62, 37] Generated Node #0,1: 31:[39, 62, 37] Operation: 77-40=37 Moving to Node #0,1 Current State: 31:[39, 62, 37], Operations: ['77-40=37'] Exploring Operation: 39-37=2, Resulting Numbers: [62, 2] Generated Node #0,1,0: 31:[62, 2] Operation: 39-37=2 Moving to Node #0,1,0 Current State: 31:[62, 2], Operations: ['77-40=37', '39-37=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 28, 92, 86, 76 ]
42
[ "28+92=120", "86+76=162", "162-120=42" ]
Current State: 42:[28, 92, 86, 76], Operations: [] Exploring Operation: 28+92=120, Resulting Numbers: [86, 76, 120] Generated Node #2: [86, 76, 120] from Operation: 28+92=120 Current State: 42:[86, 76, 120], Operations: ['28+92=120'] Exploring Operation: 86+76=162, Resulting Numbers: [120, 162] Generated Node #3: [120, 162] from Operation: 86+76=162 Current State: 42:[120, 162], Operations: ['28+92=120', '86+76=162'] Exploring Operation: 162-120=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[28, 92, 86, 76], Operations: [] Exploring Operation: 92-76=16, Resulting Numbers: [28, 86, 16] Generated Node #0,0: 42:[28, 86, 16] Operation: 92-76=16 Exploring Operation: 92-28=64, Resulting Numbers: [86, 76, 64] Generated Node #0,1: 42:[86, 76, 64] Operation: 92-28=64 Exploring Operation: 86-28=58, Resulting Numbers: [92, 76, 58] Generated Node #0,2: 42:[92, 76, 58] Operation: 86-28=58 Exploring Operation: 86-76=10, Resulting Numbers: [28, 92, 10] Generated Node #0,3: 42:[28, 92, 10] Operation: 86-76=10 Exploring Operation: 92-86=6, Resulting Numbers: [28, 76, 6] Generated Node #0,4: 42:[28, 76, 6] Operation: 92-86=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[28, 76, 6], Operations: ['92-86=6'] Exploring Operation: 28+6=34, Resulting Numbers: [76, 34] Generated Node #0,4,0: 42:[76, 34] Operation: 28+6=34 Exploring Operation: 76-28=48, Resulting Numbers: [6, 48] Generated Node #0,4,1: 42:[6, 48] Operation: 76-28=48 Exploring Operation: 76+6=82, Resulting Numbers: [28, 82] Generated Node #0,4,2: 42:[28, 82] Operation: 76+6=82 Exploring Operation: 76-6=70, Resulting Numbers: [28, 70] Generated Node #0,4,3: 42:[28, 70] Operation: 76-6=70 Exploring Operation: 28-6=22, Resulting Numbers: [76, 22] Generated Node #0,4,4: 42:[76, 22] Operation: 28-6=22 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 42:[6, 48], Operations: ['92-86=6', '76-28=48'] Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[28, 92, 86, 76], Operations: [] Exploring Operation: 92-86=6, Resulting Numbers: [28, 76, 6] Generated Node #0,4: 42:[28, 76, 6] Operation: 92-86=6 Moving to Node #0,4 Current State: 42:[28, 76, 6], Operations: ['92-86=6'] Exploring Operation: 76-28=48, Resulting Numbers: [6, 48] Generated Node #0,4,1: 42:[6, 48] Operation: 76-28=48 Moving to Node #0,4,1 Current State: 42:[6, 48], Operations: ['92-86=6', '76-28=48'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 64, 71, 57, 47 ]
97
[ "71-64=7", "57+47=104", "104-7=97" ]
Current State: 97:[64, 71, 57, 47], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [57, 47, 7] Generated Node #2: [57, 47, 7] from Operation: 71-64=7 Current State: 97:[57, 47, 7], Operations: ['71-64=7'] Exploring Operation: 57+47=104, Resulting Numbers: [7, 104] Generated Node #3: [7, 104] from Operation: 57+47=104 Current State: 97:[7, 104], Operations: ['71-64=7', '57+47=104'] Exploring Operation: 104-7=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[64, 71, 57, 47], Operations: [] Exploring Operation: 64+47=111, Resulting Numbers: [71, 57, 111] Generated Node #0,0: 97:[71, 57, 111] Operation: 64+47=111 Exploring Operation: 57+47=104, Resulting Numbers: [64, 71, 104] Generated Node #0,1: 97:[64, 71, 104] Operation: 57+47=104 Exploring Operation: 71+47=118, Resulting Numbers: [64, 57, 118] Generated Node #0,2: 97:[64, 57, 118] Operation: 71+47=118 Exploring Operation: 71+57=128, Resulting Numbers: [64, 47, 128] Generated Node #0,3: 97:[64, 47, 128] Operation: 71+57=128 Exploring Operation: 64+57=121, Resulting Numbers: [71, 47, 121] Generated Node #0,4: 97:[71, 47, 121] Operation: 64+57=121 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[64, 71, 104], Operations: ['57+47=104'] Exploring Operation: 104-71=33, Resulting Numbers: [64, 33] Generated Node #0,1,0: 97:[64, 33] Operation: 104-71=33 Exploring Operation: 104-64=40, Resulting Numbers: [71, 40] Generated Node #0,1,1: 97:[71, 40] Operation: 104-64=40 Exploring Operation: 64+104=168, Resulting Numbers: [71, 168] Generated Node #0,1,2: 97:[71, 168] Operation: 64+104=168 Exploring Operation: 64+71=135, Resulting Numbers: [104, 135] Generated Node #0,1,3: 97:[104, 135] Operation: 64+71=135 Exploring Operation: 71-64=7, Resulting Numbers: [104, 7] Generated Node #0,1,4: 97:[104, 7] Operation: 71-64=7 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[104, 135], Operations: ['57+47=104', '64+71=135'] Exploring Operation: 104+135=239, Resulting Numbers: [239] 239,97 unequal: No Solution Exploring Operation: 104*135=14040, Resulting Numbers: [14040] 14040,97 unequal: No Solution Exploring Operation: 135-104=31, Resulting Numbers: [31] 31,97 unequal: No Solution No 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: 97:[71, 40], Operations: ['57+47=104', '104-64=40'] Exploring Operation: 71+40=111, Resulting Numbers: [111] 111,97 unequal: No Solution Exploring Operation: 71-40=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 71*40=2840, Resulting Numbers: [2840] 2840,97 unequal: No Solution No 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: 97:[64, 33], Operations: ['57+47=104', '104-71=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[64, 71, 57, 47], Operations: [] Exploring Operation: 57+47=104, Resulting Numbers: [64, 71, 104] Generated Node #0,1: 97:[64, 71, 104] Operation: 57+47=104 Moving to Node #0,1 Current State: 97:[64, 71, 104], Operations: ['57+47=104'] Exploring Operation: 104-71=33, Resulting Numbers: [64, 33] Generated Node #0,1,0: 97:[64, 33] Operation: 104-71=33 Moving to Node #0,1,0 Current State: 97:[64, 33], Operations: ['57+47=104', '104-71=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 5, 17, 3, 99 ]
11
[ "5+17=22", "99/3=33", "33-22=11" ]
Current State: 11:[5, 17, 3, 99], Operations: [] Exploring Operation: 5+17=22, Resulting Numbers: [3, 99, 22] Generated Node #2: [3, 99, 22] from Operation: 5+17=22 Current State: 11:[3, 99, 22], Operations: ['5+17=22'] Exploring Operation: 99/3=33, Resulting Numbers: [22, 33] Generated Node #3: [22, 33] from Operation: 99/3=33 Current State: 11:[22, 33], Operations: ['5+17=22', '99/3=33'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[5, 17, 3, 99], Operations: [] Exploring Operation: 99-17=82, Resulting Numbers: [5, 3, 82] Generated Node #0,0: 11:[5, 3, 82] Operation: 99-17=82 Exploring Operation: 99/3=33, Resulting Numbers: [5, 17, 33] Generated Node #0,1: 11:[5, 17, 33] Operation: 99/3=33 Moving to Node #0,1 Current State: 11:[5, 17, 33], Operations: ['99/3=33'] Exploring Operation: 33-17=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 11:[5, 16] Operation: 33-17=16 Exploring Operation: 17-5=12, Resulting Numbers: [33, 12] Generated Node #0,1,1: 11:[33, 12] Operation: 17-5=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[5, 16], Operations: ['99/3=33', '33-17=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[5, 17, 3, 99], Operations: [] Exploring Operation: 99/3=33, Resulting Numbers: [5, 17, 33] Generated Node #0,1: 11:[5, 17, 33] Operation: 99/3=33 Moving to Node #0,1 Current State: 11:[5, 17, 33], Operations: ['99/3=33'] Exploring Operation: 33-17=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 11:[5, 16] Operation: 33-17=16 Moving to Node #0,1,0 Current State: 11:[5, 16], Operations: ['99/3=33', '33-17=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 82, 59, 28, 34 ]
29
[ "82-59=23", "34-28=6", "23+6=29" ]
Current State: 29:[82, 59, 28, 34], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [28, 34, 23] Generated Node #2: [28, 34, 23] from Operation: 82-59=23 Current State: 29:[28, 34, 23], Operations: ['82-59=23'] Exploring Operation: 34-28=6, Resulting Numbers: [23, 6] Generated Node #3: [23, 6] from Operation: 34-28=6 Current State: 29:[23, 6], Operations: ['82-59=23', '34-28=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[82, 59, 28, 34], Operations: [] Exploring Operation: 82-34=48, Resulting Numbers: [59, 28, 48] Generated Node #0,0: 29:[59, 28, 48] Operation: 82-34=48 Exploring Operation: 59-34=25, Resulting Numbers: [82, 28, 25] Generated Node #0,1: 29:[82, 28, 25] Operation: 59-34=25 Exploring Operation: 82-59=23, Resulting Numbers: [28, 34, 23] Generated Node #0,2: 29:[28, 34, 23] Operation: 82-59=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[28, 34, 23], Operations: ['82-59=23'] Exploring Operation: 34-28=6, Resulting Numbers: [23, 6] Generated Node #0,2,0: 29:[23, 6] Operation: 34-28=6 Exploring Operation: 28+23=51, Resulting Numbers: [34, 51] Generated Node #0,2,1: 29:[34, 51] Operation: 28+23=51 Exploring Operation: 34-23=11, Resulting Numbers: [28, 11] Generated Node #0,2,2: 29:[28, 11] Operation: 34-23=11 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[28, 11], Operations: ['82-59=23', '34-23=11'] Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,29 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 28+11=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 #0,2,1 Current State: 29:[34, 51], Operations: ['82-59=23', '28+23=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,29 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,29 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 #0,2,0 Current State: 29:[23, 6], Operations: ['82-59=23', '34-28=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,29 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[82, 59, 28, 34], Operations: [] Exploring Operation: 82-59=23, Resulting Numbers: [28, 34, 23] Generated Node #0,2: 29:[28, 34, 23] Operation: 82-59=23 Moving to Node #0,2 Current State: 29:[28, 34, 23], Operations: ['82-59=23'] Exploring Operation: 34-28=6, Resulting Numbers: [23, 6] Generated Node #0,2,0: 29:[23, 6] Operation: 34-28=6 Moving to Node #0,2,0 Current State: 29:[23, 6], Operations: ['82-59=23', '34-28=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 89, 87, 6, 16 ]
20
[ "89-87=2", "6+16=22", "22-2=20" ]
Current State: 20:[89, 87, 6, 16], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [6, 16, 2] Generated Node #2: [6, 16, 2] from Operation: 89-87=2 Current State: 20:[6, 16, 2], Operations: ['89-87=2'] Exploring Operation: 6+16=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 6+16=22 Current State: 20:[2, 22], Operations: ['89-87=2', '6+16=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[89, 87, 6, 16], Operations: [] Exploring Operation: 87-16=71, Resulting Numbers: [89, 6, 71] Generated Node #0,0: 20:[89, 6, 71] Operation: 87-16=71 Exploring Operation: 89-6=83, Resulting Numbers: [87, 16, 83] Generated Node #0,1: 20:[87, 16, 83] Operation: 89-6=83 Exploring Operation: 89-87=2, Resulting Numbers: [6, 16, 2] Generated Node #0,2: 20:[6, 16, 2] Operation: 89-87=2 Exploring Operation: 89-16=73, Resulting Numbers: [87, 6, 73] Generated Node #0,3: 20:[87, 6, 73] Operation: 89-16=73 Moving to Node #0,2 Current State: 20:[6, 16, 2], Operations: ['89-87=2'] Exploring Operation: 6+16=22, Resulting Numbers: [2, 22] Generated Node #0,2,0: 20:[2, 22] Operation: 6+16=22 Exploring Operation: 16+2=18, Resulting Numbers: [6, 18] Generated Node #0,2,1: 20:[6, 18] Operation: 16+2=18 Exploring Operation: 16-6=10, Resulting Numbers: [2, 10] Generated Node #0,2,2: 20:[2, 10] Operation: 16-6=10 Exploring Operation: 16/2=8, Resulting Numbers: [6, 8] Generated Node #0,2,3: 20:[6, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[2, 10], Operations: ['89-87=2', '16-6=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[89, 87, 6, 16], Operations: [] Exploring Operation: 89-87=2, Resulting Numbers: [6, 16, 2] Generated Node #0,2: 20:[6, 16, 2] Operation: 89-87=2 Moving to Node #0,2 Current State: 20:[6, 16, 2], Operations: ['89-87=2'] Exploring Operation: 16-6=10, Resulting Numbers: [2, 10] Generated Node #0,2,2: 20:[2, 10] Operation: 16-6=10 Moving to Node #0,2,2 Current State: 20:[2, 10], Operations: ['89-87=2', '16-6=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 22, 28, 28, 60 ]
18
[ "22+28=50", "60-28=32", "50-32=18" ]
Current State: 18:[22, 28, 28, 60], Operations: [] Exploring Operation: 22+28=50, Resulting Numbers: [60, 50] Generated Node #2: [60, 50] from Operation: 22+28=50 Current State: 18:[60, 50], Operations: ['22+28=50'] Exploring Operation: 60-28=32, Resulting Numbers: [50, 32] Generated Node #3: [50, 32] from Operation: 60-28=32 Current State: 18:[50, 32], Operations: ['22+28=50', '60-28=32'] Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[22, 28, 28, 60], Operations: [] Exploring Operation: 60-28=32, Resulting Numbers: [22, 28, 32] Generated Node #0,0: 18:[22, 28, 32] Operation: 60-28=32 Moving to Node #0,0 Current State: 18:[22, 28, 32], Operations: ['60-28=32'] Exploring Operation: 32-28=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 18:[22, 4] Operation: 32-28=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[22, 4], Operations: ['60-28=32', '32-28=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[22, 28, 28, 60], Operations: [] Exploring Operation: 60-28=32, Resulting Numbers: [22, 28, 32] Generated Node #0,0: 18:[22, 28, 32] Operation: 60-28=32 Moving to Node #0,0 Current State: 18:[22, 28, 32], Operations: ['60-28=32'] Exploring Operation: 32-28=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 18:[22, 4] Operation: 32-28=4 Moving to Node #0,0,0 Current State: 18:[22, 4], Operations: ['60-28=32', '32-28=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 55, 91, 8, 31 ]
94
[ "55-31=24", "24/8=3", "91+3=94" ]
Current State: 94:[55, 91, 8, 31], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [91, 8, 24] Generated Node #2: [91, 8, 24] from Operation: 55-31=24 Current State: 94:[91, 8, 24], Operations: ['55-31=24'] Exploring Operation: 24/8=3, Resulting Numbers: [91, 3] Generated Node #3: [91, 3] from Operation: 24/8=3 Current State: 94:[91, 3], Operations: ['55-31=24', '24/8=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[55, 91, 8, 31], Operations: [] Exploring Operation: 55+31=86, Resulting Numbers: [91, 8, 86] Generated Node #0,0: 94:[91, 8, 86] Operation: 55+31=86 Exploring Operation: 55-8=47, Resulting Numbers: [91, 31, 47] Generated Node #0,1: 94:[91, 31, 47] Operation: 55-8=47 Exploring Operation: 8+31=39, Resulting Numbers: [55, 91, 39] Generated Node #0,2: 94:[55, 91, 39] Operation: 8+31=39 Moving to Node #0,0 Current State: 94:[91, 8, 86], Operations: ['55+31=86'] Exploring Operation: 91-86=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 94:[8, 5] Operation: 91-86=5 Exploring Operation: 91+8=99, Resulting Numbers: [86, 99] Generated Node #0,0,1: 94:[86, 99] Operation: 91+8=99 Exploring Operation: 8+86=94, Resulting Numbers: [91, 94] Generated Node #0,0,2: 94:[91, 94] Operation: 8+86=94 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[91, 94], Operations: ['55+31=86', '8+86=94'] Exploring Operation: 91*94=8554, Resulting Numbers: [8554] 8554,94 unequal: No Solution Exploring Operation: 91+94=185, Resulting Numbers: [185] 185,94 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[8, 5], Operations: ['55+31=86', '91-86=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,94 unequal: No Solution Exploring Operation: 8+5=13, Resulting Numbers: [13] 13,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[86, 99], Operations: ['55+31=86', '91+8=99'] Exploring Operation: 86+99=185, Resulting Numbers: [185] 185,94 unequal: No Solution Exploring Operation: 86*99=8514, Resulting Numbers: [8514] 8514,94 unequal: No Solution Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 94:[91, 31, 47], Operations: ['55-8=47'] Exploring Operation: 47-31=16, Resulting Numbers: [91, 16] Generated Node #0,1,0: 94:[91, 16] Operation: 47-31=16 Exploring Operation: 91-47=44, Resulting Numbers: [31, 44] Generated Node #0,1,1: 94:[31, 44] Operation: 91-47=44 Exploring Operation: 91-31=60, Resulting Numbers: [47, 60] Generated Node #0,1,2: 94:[47, 60] Operation: 91-31=60 Moving to Node #0,2 Current State: 94:[55, 91, 39], Operations: ['8+31=39'] Exploring Operation: 91-39=52, Resulting Numbers: [55, 52] Generated Node #0,2,0: 94:[55, 52] Operation: 91-39=52 Exploring Operation: 55+39=94, Resulting Numbers: [91, 94] Generated Node #0,2,1: 94:[91, 94] Operation: 55+39=94 Exploring Operation: 55-39=16, Resulting Numbers: [91, 16] Generated Node #0,2,2: 94:[91, 16] Operation: 55-39=16 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[91, 94], Operations: ['8+31=39', '55+39=94'] Exploring Operation: 91*94=8554, Resulting Numbers: [8554] 8554,94 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 91+94=185, Resulting Numbers: [185] 185,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[55, 52], Operations: ['8+31=39', '91-39=52'] Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,94 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[91, 16], Operations: ['8+31=39', '55-39=16'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 91+16=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 91*16=1456, Resulting Numbers: [1456] 1456,94 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: 94:[47, 60], Operations: ['55-8=47', '91-31=60'] Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,94 unequal: No Solution Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[91, 16], Operations: ['55-8=47', '47-31=16'] Exploring Operation: 91+16=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 91*16=1456, Resulting Numbers: [1456] 1456,94 unequal: No Solution Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[31, 44], Operations: ['55-8=47', '91-47=44'] Exploring Operation: 31*44=1364, Resulting Numbers: [1364] 1364,94 unequal: No Solution Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,94 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,94 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 8, 40, 18, 96 ]
16
[ "8+40=48", "96/48=2", "18-2=16" ]
Current State: 16:[8, 40, 18, 96], Operations: [] Exploring Operation: 8+40=48, Resulting Numbers: [18, 96, 48] Generated Node #2: [18, 96, 48] from Operation: 8+40=48 Current State: 16:[18, 96, 48], Operations: ['8+40=48'] Exploring Operation: 96/48=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 96/48=2 Current State: 16:[18, 2], Operations: ['8+40=48', '96/48=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[8, 40, 18, 96], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [40, 18, 12] Generated Node #0,0: 16:[40, 18, 12] Operation: 96/8=12 Exploring Operation: 40-18=22, Resulting Numbers: [8, 96, 22] Generated Node #0,1: 16:[8, 96, 22] Operation: 40-18=22 Exploring Operation: 96-40=56, Resulting Numbers: [8, 18, 56] Generated Node #0,2: 16:[8, 18, 56] Operation: 96-40=56 Exploring Operation: 40/8=5, Resulting Numbers: [18, 96, 5] Generated Node #0,3: 16:[18, 96, 5] Operation: 40/8=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[40, 18, 12], Operations: ['96/8=12'] Exploring Operation: 40-12=28, Resulting Numbers: [18, 28] Generated Node #0,0,0: 16:[18, 28] Operation: 40-12=28 Exploring Operation: 18-12=6, Resulting Numbers: [40, 6] Generated Node #0,0,1: 16:[40, 6] Operation: 18-12=6 Exploring Operation: 40+12=52, Resulting Numbers: [18, 52] Generated Node #0,0,2: 16:[18, 52] Operation: 40+12=52 Exploring Operation: 40-18=22, Resulting Numbers: [12, 22] Generated Node #0,0,3: 16:[12, 22] Operation: 40-18=22 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 16:[12, 22], Operations: ['96/8=12', '40-18=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,16 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[18, 28], Operations: ['96/8=12', '40-12=28'] Exploring Operation: 18*28=504, Resulting Numbers: [504] 504,16 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[40, 6], Operations: ['96/8=12', '18-12=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 40*6=240, Resulting Numbers: [240] 240,16 unequal: No Solution Exploring Operation: 40+6=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[18, 52], Operations: ['96/8=12', '40+12=52'] Exploring Operation: 18*52=936, Resulting Numbers: [936] 936,16 unequal: No Solution Exploring Operation: 18+52=70, Resulting Numbers: [70] 70,16 unequal: No Solution Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[8, 18, 56], Operations: ['96-40=56'] Exploring Operation: 56-18=38, Resulting Numbers: [8, 38] Generated Node #0,2,0: 16:[8, 38] Operation: 56-18=38 Exploring Operation: 56/8=7, Resulting Numbers: [18, 7] Generated Node #0,2,1: 16:[18, 7] Operation: 56/8=7 Exploring Operation: 18-8=10, Resulting Numbers: [56, 10] Generated Node #0,2,2: 16:[56, 10] Operation: 18-8=10 Exploring Operation: 56-8=48, Resulting Numbers: [18, 48] Generated Node #0,2,3: 16:[18, 48] Operation: 56-8=48 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 16:[18, 7], Operations: ['96-40=56', '56/8=7'] Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,16 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 16:[8, 38], Operations: ['96-40=56', '56-18=38'] Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,16 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 16:[18, 48], Operations: ['96-40=56', '56-8=48'] Exploring Operation: 18*48=864, Resulting Numbers: [864] 864,16 unequal: No Solution Exploring Operation: 18+48=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[56, 10], Operations: ['96-40=56', '18-8=10'] Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,16 unequal: No Solution Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[18, 96, 5], Operations: ['40/8=5'] Exploring Operation: 18+5=23, Resulting Numbers: [96, 23] Generated Node #0,3,0: 16:[96, 23] Operation: 18+5=23 Exploring Operation: 96-18=78, Resulting Numbers: [5, 78] Generated Node #0,3,1: 16:[5, 78] Operation: 96-18=78 Exploring Operation: 96-5=91, Resulting Numbers: [18, 91] Generated Node #0,3,2: 16:[18, 91] Operation: 96-5=91 Exploring Operation: 18-5=13, Resulting Numbers: [96, 13] Generated Node #0,3,3: 16:[96, 13] Operation: 18-5=13 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 16:[5, 78], Operations: ['40/8=5', '96-18=78'] Exploring Operation: 5*78=390, Resulting Numbers: [390] 390,16 unequal: No Solution Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,16 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 16:[18, 91], Operations: ['40/8=5', '96-5=91'] Exploring Operation: 18+91=109, Resulting Numbers: [109] 109,16 unequal: No Solution Exploring Operation: 18*91=1638, Resulting Numbers: [1638] 1638,16 unequal: No Solution Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 16:[96, 13], Operations: ['40/8=5', '18-5=13'] Exploring Operation: 96*13=1248, Resulting Numbers: [1248] 1248,16 unequal: No Solution Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,16 unequal: No Solution Exploring Operation: 96+13=109, Resulting Numbers: [109] 109,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 16:[96, 23], Operations: ['40/8=5', '18+5=23'] Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,16 unequal: No Solution Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,16 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[8, 96, 22], Operations: ['40-18=22'] Exploring Operation: 96-8=88, Resulting Numbers: [22, 88] Generated Node #0,1,0: 16:[22, 88] Operation: 96-8=88 Exploring Operation: 22-8=14, Resulting Numbers: [96, 14] Generated Node #0,1,1: 16:[96, 14] Operation: 22-8=14 Exploring Operation: 96-22=74, Resulting Numbers: [8, 74] Generated Node #0,1,2: 16:[8, 74] Operation: 96-22=74 Exploring Operation: 96/8=12, Resulting Numbers: [22, 12] Generated Node #0,1,3: 16:[22, 12] Operation: 96/8=12 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 16:[22, 12], Operations: ['40-18=22', '96/8=12'] Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,16 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[8, 74], Operations: ['40-18=22', '96-22=74'] Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[22, 88], Operations: ['40-18=22', '96-8=88'] Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 88-22=66, Resulting Numbers: [66] 66,16 unequal: No Solution Exploring Operation: 22+88=110, Resulting Numbers: [110] 110,16 unequal: No Solution Exploring Operation: 22*88=1936, Resulting Numbers: [1936] 1936,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[96, 14], Operations: ['40-18=22', '22-8=14'] Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,16 unequal: No Solution Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 79, 27, 26, 3 ]
23
[ "79-27=52", "26+3=29", "52-29=23" ]
Current State: 23:[79, 27, 26, 3], Operations: [] Exploring Operation: 79-27=52, Resulting Numbers: [26, 3, 52] Generated Node #2: [26, 3, 52] from Operation: 79-27=52 Current State: 23:[26, 3, 52], Operations: ['79-27=52'] Exploring Operation: 26+3=29, Resulting Numbers: [52, 29] Generated Node #3: [52, 29] from Operation: 26+3=29 Current State: 23:[52, 29], Operations: ['79-27=52', '26+3=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[79, 27, 26, 3], Operations: [] Exploring Operation: 79-26=53, Resulting Numbers: [27, 3, 53] Generated Node #0,0: 23:[27, 3, 53] Operation: 79-26=53 Exploring Operation: 79-27=52, Resulting Numbers: [26, 3, 52] Generated Node #0,1: 23:[26, 3, 52] Operation: 79-27=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[26, 3, 52], Operations: ['79-27=52'] Exploring Operation: 26-3=23, Resulting Numbers: [52, 23] Generated Node #0,1,0: 23:[52, 23] Operation: 26-3=23 Exploring Operation: 52-26=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 23:[3, 26] Operation: 52-26=26 Moving to Node #0,1,1 Current State: 23:[3, 26], Operations: ['79-27=52', '52-26=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[79, 27, 26, 3], Operations: [] Exploring Operation: 79-27=52, Resulting Numbers: [26, 3, 52] Generated Node #0,1: 23:[26, 3, 52] Operation: 79-27=52 Moving to Node #0,1 Current State: 23:[26, 3, 52], Operations: ['79-27=52'] Exploring Operation: 52-26=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 23:[3, 26] Operation: 52-26=26 Moving to Node #0,1,1 Current State: 23:[3, 26], Operations: ['79-27=52', '52-26=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 2, 33, 25, 15 ]
61
[ "33-15=18", "2*18=36", "25+36=61" ]
Current State: 61:[2, 33, 25, 15], Operations: [] Exploring Operation: 33-15=18, Resulting Numbers: [2, 25, 18] Generated Node #2: [2, 25, 18] from Operation: 33-15=18 Current State: 61:[2, 25, 18], Operations: ['33-15=18'] Exploring Operation: 2*18=36, Resulting Numbers: [25, 36] Generated Node #3: [25, 36] from Operation: 2*18=36 Current State: 61:[25, 36], Operations: ['33-15=18', '2*18=36'] Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[2, 33, 25, 15], Operations: [] Exploring Operation: 2*25=50, Resulting Numbers: [33, 15, 50] Generated Node #0,0: 61:[33, 15, 50] Operation: 2*25=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[33, 15, 50], Operations: ['2*25=50'] Exploring Operation: 33+15=48, Resulting Numbers: [50, 48] Generated Node #0,0,0: 61:[50, 48] Operation: 33+15=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[50, 48], Operations: ['2*25=50', '33+15=48'] Exploring Operation: 50+48=98, Resulting Numbers: [98] 98,61 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
[ 74, 41, 34, 5 ]
49
[ "74-34=40", "40/5=8", "41+8=49" ]
Current State: 49:[74, 41, 34, 5], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [41, 5, 40] Generated Node #2: [41, 5, 40] from Operation: 74-34=40 Current State: 49:[41, 5, 40], Operations: ['74-34=40'] Exploring Operation: 40/5=8, Resulting Numbers: [41, 8] Generated Node #3: [41, 8] from Operation: 40/5=8 Current State: 49:[41, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[74, 41, 34, 5], Operations: [] Exploring Operation: 74-41=33, Resulting Numbers: [34, 5, 33] Generated Node #0,0: 49:[34, 5, 33] Operation: 74-41=33 Exploring Operation: 41-34=7, Resulting Numbers: [74, 5, 7] Generated Node #0,1: 49:[74, 5, 7] Operation: 41-34=7 Exploring Operation: 74-34=40, Resulting Numbers: [41, 5, 40] Generated Node #0,2: 49:[41, 5, 40] Operation: 74-34=40 Moving to Node #0,2 Current State: 49:[41, 5, 40], Operations: ['74-34=40'] Exploring Operation: 41-40=1, Resulting Numbers: [5, 1] Generated Node #0,2,0: 49:[5, 1] Operation: 41-40=1 Exploring Operation: 41+5=46, Resulting Numbers: [40, 46] Generated Node #0,2,1: 49:[40, 46] Operation: 41+5=46 Exploring Operation: 40/5=8, Resulting Numbers: [41, 8] Generated Node #0,2,2: 49:[41, 8] Operation: 40/5=8 Moving to Node #0,1 Current State: 49:[74, 5, 7], Operations: ['41-34=7'] Exploring Operation: 74+5=79, Resulting Numbers: [7, 79] Generated Node #0,1,0: 49:[7, 79] Operation: 74+5=79 Exploring Operation: 74-5=69, Resulting Numbers: [7, 69] Generated Node #0,1,1: 49:[7, 69] Operation: 74-5=69 Exploring Operation: 74-7=67, Resulting Numbers: [5, 67] Generated Node #0,1,2: 49:[5, 67] Operation: 74-7=67 Moving to Node #0,0 Current State: 49:[34, 5, 33], Operations: ['74-41=33'] Exploring Operation: 34-33=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 49:[5, 1] Operation: 34-33=1 Exploring Operation: 34+5=39, Resulting Numbers: [33, 39] Generated Node #0,0,1: 49:[33, 39] Operation: 34+5=39 Exploring Operation: 34+33=67, Resulting Numbers: [5, 67] Generated Node #0,0,2: 49:[5, 67] Operation: 34+33=67 Moving to Node #0,2,0 Current State: 49:[5, 1], Operations: ['74-34=40', '41-40=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[5, 1], Operations: ['74-41=33', '34-33=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[41, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,49 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[74, 41, 34, 5], Operations: [] Exploring Operation: 74-34=40, Resulting Numbers: [41, 5, 40] Generated Node #0,2: 49:[41, 5, 40] Operation: 74-34=40 Moving to Node #0,2 Current State: 49:[41, 5, 40], Operations: ['74-34=40'] Exploring Operation: 40/5=8, Resulting Numbers: [41, 8] Generated Node #0,2,2: 49:[41, 8] Operation: 40/5=8 Moving to Node #0,2,2 Current State: 49:[41, 8], Operations: ['74-34=40', '40/5=8'] Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.979167
hs_3
sum_heuristic
[ 2, 46, 23, 51 ]
26
[ "2+46=48", "23+51=74", "74-48=26" ]
Current State: 26:[2, 46, 23, 51], Operations: [] Exploring Operation: 2+46=48, Resulting Numbers: [23, 51, 48] Generated Node #2: [23, 51, 48] from Operation: 2+46=48 Current State: 26:[23, 51, 48], Operations: ['2+46=48'] Exploring Operation: 23+51=74, Resulting Numbers: [48, 74] Generated Node #3: [48, 74] from Operation: 23+51=74 Current State: 26:[48, 74], Operations: ['2+46=48', '23+51=74'] Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[2, 46, 23, 51], Operations: [] Exploring Operation: 46-23=23, Resulting Numbers: [2, 51, 23] Generated Node #0,0: 26:[2, 51, 23] Operation: 46-23=23 Exploring Operation: 51-23=28, Resulting Numbers: [2, 46, 28] Generated Node #0,1: 26:[2, 46, 28] Operation: 51-23=28 Exploring Operation: 46/23=2, Resulting Numbers: [2, 51, 2] Generated Node #0,2: 26:[2, 51, 2] Operation: 46/23=2 Exploring Operation: 51-46=5, Resulting Numbers: [2, 23, 5] Generated Node #0,3: 26:[2, 23, 5] Operation: 51-46=5 Moving to Node #0,3 Current State: 26:[2, 23, 5], Operations: ['51-46=5'] Exploring Operation: 23-5=18, Resulting Numbers: [2, 18] Generated Node #0,3,0: 26:[2, 18] Operation: 23-5=18 Exploring Operation: 23+5=28, Resulting Numbers: [2, 28] Generated Node #0,3,1: 26:[2, 28] Operation: 23+5=28 Exploring Operation: 5-2=3, Resulting Numbers: [23, 3] Generated Node #0,3,2: 26:[23, 3] Operation: 5-2=3 Exploring Operation: 2+23=25, Resulting Numbers: [5, 25] Generated Node #0,3,3: 26:[5, 25] Operation: 2+23=25 Moving to Node #0,1 Current State: 26:[2, 46, 28], Operations: ['51-23=28'] Exploring Operation: 46/2=23, Resulting Numbers: [28, 23] Generated Node #0,1,0: 26:[28, 23] Operation: 46/2=23 Exploring Operation: 28-2=26, Resulting Numbers: [46, 26] Generated Node #0,1,1: 26:[46, 26] Operation: 28-2=26 Exploring Operation: 46-28=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 26:[2, 18] Operation: 46-28=18 Exploring Operation: 46-2=44, Resulting Numbers: [28, 44] Generated Node #0,1,3: 26:[28, 44] Operation: 46-2=44 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[28, 23], Operations: ['51-23=28', '46/2=23'] Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,26 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[2, 18], Operations: ['51-23=28', '46-28=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,26 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[46, 26], Operations: ['51-23=28', '28-2=26'] Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,26 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,26 unequal: No Solution Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[28, 44], Operations: ['51-23=28', '46-2=44'] Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,26 unequal: No Solution Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,26 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,26 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: 26:[2, 51, 2], Operations: ['46/23=2'] Exploring Operation: 51-2=49, Resulting Numbers: [2, 49] Generated Node #0,2,0: 26:[2, 49] Operation: 51-2=49 Exploring Operation: 2/2=1, Resulting Numbers: [51, 1] Generated Node #0,2,1: 26:[51, 1] Operation: 2/2=1 Exploring Operation: 51-2=49, Resulting Numbers: [2, 49] Generated Node #0,2,2: 26:[2, 49] Operation: 51-2=49 Exploring Operation: 2+51=53, Resulting Numbers: [2, 53] Generated Node #0,2,3: 26:[2, 53] Operation: 2+51=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[2, 49], Operations: ['46/23=2', '51-2=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[2, 49], Operations: ['46/23=2', '51-2=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,26 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[51, 1], Operations: ['46/23=2', '2/2=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,26 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[2, 53], Operations: ['46/23=2', '2+51=53'] Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,26 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,26 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[2, 51, 23], Operations: ['46-23=23'] Exploring Operation: 51-23=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 26:[2, 28] Operation: 51-23=28 Exploring Operation: 2+23=25, Resulting Numbers: [51, 25] Generated Node #0,0,1: 26:[51, 25] Operation: 2+23=25 Exploring Operation: 51-2=49, Resulting Numbers: [23, 49] Generated Node #0,0,2: 26:[23, 49] Operation: 51-2=49 Exploring Operation: 2+51=53, Resulting Numbers: [23, 53] Generated Node #0,0,3: 26:[23, 53] Operation: 2+51=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[2, 28], Operations: ['46-23=23', '51-23=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[2, 46, 23, 51], Operations: [] Exploring Operation: 46-23=23, Resulting Numbers: [2, 51, 23] Generated Node #0,0: 26:[2, 51, 23] Operation: 46-23=23 Moving to Node #0,0 Current State: 26:[2, 51, 23], Operations: ['46-23=23'] Exploring Operation: 51-23=28, Resulting Numbers: [2, 28] Generated Node #0,0,0: 26:[2, 28] Operation: 51-23=28 Moving to Node #0,0,0 Current State: 26:[2, 28], Operations: ['46-23=23', '51-23=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_4
mult_heuristic
[ 47, 9, 23, 41 ]
74
[ "47+9=56", "41-23=18", "56+18=74" ]
Current State: 74:[47, 9, 23, 41], Operations: [] Exploring Operation: 47+9=56, Resulting Numbers: [23, 41, 56] Generated Node #2: [23, 41, 56] from Operation: 47+9=56 Current State: 74:[23, 41, 56], Operations: ['47+9=56'] Exploring Operation: 41-23=18, Resulting Numbers: [56, 18] Generated Node #3: [56, 18] from Operation: 41-23=18 Current State: 74:[56, 18], Operations: ['47+9=56', '41-23=18'] Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[47, 9, 23, 41], Operations: [] Exploring Operation: 47-9=38, Resulting Numbers: [23, 41, 38] Generated Node #0,0: 74:[23, 41, 38] Operation: 47-9=38 Exploring Operation: 47+23=70, Resulting Numbers: [9, 41, 70] Generated Node #0,1: 74:[9, 41, 70] Operation: 47+23=70 Moving to Node #0,1 Current State: 74:[9, 41, 70], Operations: ['47+23=70'] Exploring Operation: 9+70=79, Resulting Numbers: [41, 79] Generated Node #0,1,0: 74:[41, 79] Operation: 9+70=79 Exploring Operation: 41-9=32, Resulting Numbers: [70, 32] Generated Node #0,1,1: 74:[70, 32] Operation: 41-9=32 Moving to Node #0,0 Current State: 74:[23, 41, 38], Operations: ['47-9=38'] Exploring Operation: 41-38=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 74:[23, 3] Operation: 41-38=3 Exploring Operation: 23+41=64, Resulting Numbers: [38, 64] Generated Node #0,0,1: 74:[38, 64] Operation: 23+41=64 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[38, 64], Operations: ['47-9=38', '23+41=64'] Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[23, 3], Operations: ['47-9=38', '41-38=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 74:[41, 79], Operations: ['47+23=70', '9+70=79'] Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[70, 32], Operations: ['47+23=70', '41-9=32'] Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,74 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 38, 18, 46, 10 ]
36
[ "38-18=20", "46+10=56", "56-20=36" ]
Current State: 36:[38, 18, 46, 10], Operations: [] Exploring Operation: 38-18=20, Resulting Numbers: [46, 10, 20] Generated Node #2: [46, 10, 20] from Operation: 38-18=20 Current State: 36:[46, 10, 20], Operations: ['38-18=20'] Exploring Operation: 46+10=56, Resulting Numbers: [20, 56] Generated Node #3: [20, 56] from Operation: 46+10=56 Current State: 36:[20, 56], Operations: ['38-18=20', '46+10=56'] Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[38, 18, 46, 10], Operations: [] Exploring Operation: 46-10=36, Resulting Numbers: [38, 18, 36] Generated Node #0,0: 36:[38, 18, 36] Operation: 46-10=36 Exploring Operation: 46-38=8, Resulting Numbers: [18, 10, 8] Generated Node #0,1: 36:[18, 10, 8] Operation: 46-38=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[38, 18, 36], Operations: ['46-10=36'] Exploring Operation: 38-36=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 36:[18, 2] Operation: 38-36=2 Exploring Operation: 38-18=20, Resulting Numbers: [36, 20] Generated Node #0,0,1: 36:[36, 20] Operation: 38-18=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[18, 2], Operations: ['46-10=36', '38-36=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[38, 18, 46, 10], Operations: [] Exploring Operation: 46-10=36, Resulting Numbers: [38, 18, 36] Generated Node #0,0: 36:[38, 18, 36] Operation: 46-10=36 Moving to Node #0,0 Current State: 36:[38, 18, 36], Operations: ['46-10=36'] Exploring Operation: 38-36=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 36:[18, 2] Operation: 38-36=2 Moving to Node #0,0,0 Current State: 36:[18, 2], Operations: ['46-10=36', '38-36=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 90, 80, 30, 33 ]
19
[ "90/30=3", "33*3=99", "99-80=19" ]
Current State: 19:[90, 80, 30, 33], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [80, 33, 3] Generated Node #2: [80, 33, 3] from Operation: 90/30=3 Current State: 19:[80, 33, 3], Operations: ['90/30=3'] Exploring Operation: 33*3=99, Resulting Numbers: [80, 99] Generated Node #3: [80, 99] from Operation: 33*3=99 Current State: 19:[80, 99], Operations: ['90/30=3', '33*3=99'] Exploring Operation: 99-80=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[90, 80, 30, 33], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [30, 33, 10] Generated Node #0,0: 19:[30, 33, 10] Operation: 90-80=10 Exploring Operation: 90/30=3, Resulting Numbers: [80, 33, 3] Generated Node #0,1: 19:[80, 33, 3] Operation: 90/30=3 Exploring Operation: 80-33=47, Resulting Numbers: [90, 30, 47] Generated Node #0,2: 19:[90, 30, 47] Operation: 80-33=47 Exploring Operation: 90-30=60, Resulting Numbers: [80, 33, 60] Generated Node #0,3: 19:[80, 33, 60] Operation: 90-30=60 Exploring Operation: 90-33=57, Resulting Numbers: [80, 30, 57] Generated Node #0,4: 19:[80, 30, 57] Operation: 90-33=57 Moving to Node #0,0 Current State: 19:[30, 33, 10], Operations: ['90-80=10'] Exploring Operation: 30+10=40, Resulting Numbers: [33, 40] Generated Node #0,0,0: 19:[33, 40] Operation: 30+10=40 Exploring Operation: 30/10=3, Resulting Numbers: [33, 3] Generated Node #0,0,1: 19:[33, 3] Operation: 30/10=3 Exploring Operation: 30-10=20, Resulting Numbers: [33, 20] Generated Node #0,0,2: 19:[33, 20] Operation: 30-10=20 Exploring Operation: 33-30=3, Resulting Numbers: [10, 3] Generated Node #0,0,3: 19:[10, 3] Operation: 33-30=3 Exploring Operation: 33-10=23, Resulting Numbers: [30, 23] Generated Node #0,0,4: 19:[30, 23] Operation: 33-10=23 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[33, 20], Operations: ['90-80=10', '30-10=20'] Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,19 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,19 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 #0,0,4 Current State: 19:[30, 23], Operations: ['90-80=10', '33-10=23'] Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,19 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,19 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 #0,0,3 Current State: 19:[10, 3], Operations: ['90-80=10', '33-30=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,19 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:[33, 3], Operations: ['90-80=10', '30/10=3'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,19 unequal: No Solution Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,19 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:[33, 40], Operations: ['90-80=10', '30+10=40'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,19 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,19 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:[80, 33, 3], Operations: ['90/30=3'] Exploring Operation: 80+3=83, Resulting Numbers: [33, 83] Generated Node #0,1,0: 19:[33, 83] Operation: 80+3=83 Exploring Operation: 80-33=47, Resulting Numbers: [3, 47] Generated Node #0,1,1: 19:[3, 47] Operation: 80-33=47 Exploring Operation: 33/3=11, Resulting Numbers: [80, 11] Generated Node #0,1,2: 19:[80, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [80, 30] Generated Node #0,1,3: 19:[80, 30] Operation: 33-3=30 Exploring Operation: 80-3=77, Resulting Numbers: [33, 77] Generated Node #0,1,4: 19:[33, 77] Operation: 80-3=77 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[3, 47], Operations: ['90/30=3', '80-33=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 3*47=141, Resulting Numbers: [141] 141,19 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,19 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:[80, 11], Operations: ['90/30=3', '33/3=11'] Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,19 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,19 unequal: No Solution Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 19:[80, 30], Operations: ['90/30=3', '33-3=30'] Exploring Operation: 80+30=110, Resulting Numbers: [110] 110,19 unequal: No Solution Exploring Operation: 80*30=2400, Resulting Numbers: [2400] 2400,19 unequal: No Solution Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,19 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 #0,1,4 Current State: 19:[33, 77], Operations: ['90/30=3', '80-3=77'] Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 33*77=2541, Resulting Numbers: [2541] 2541,19 unequal: No Solution Exploring Operation: 33+77=110, Resulting Numbers: [110] 110,19 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:[33, 83], Operations: ['90/30=3', '80+3=83'] Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,19 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,19 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,19 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: 19:[90, 30, 47], Operations: ['80-33=47'] Exploring Operation: 90+30=120, Resulting Numbers: [47, 120] Generated Node #0,2,0: 19:[47, 120] Operation: 90+30=120 Exploring Operation: 90-30=60, Resulting Numbers: [47, 60] Generated Node #0,2,1: 19:[47, 60] Operation: 90-30=60 Exploring Operation: 47-30=17, Resulting Numbers: [90, 17] Generated Node #0,2,2: 19:[90, 17] Operation: 47-30=17 Exploring Operation: 90/30=3, Resulting Numbers: [47, 3] Generated Node #0,2,3: 19:[47, 3] Operation: 90/30=3 Exploring Operation: 90-47=43, Resulting Numbers: [30, 43] Generated Node #0,2,4: 19:[30, 43] Operation: 90-47=43 Moving to Node #0,4 Current State: 19:[80, 30, 57], Operations: ['90-33=57'] Exploring Operation: 80-30=50, Resulting Numbers: [57, 50] Generated Node #0,4,0: 19:[57, 50] Operation: 80-30=50 Exploring Operation: 80-57=23, Resulting Numbers: [30, 23] Generated Node #0,4,1: 19:[30, 23] Operation: 80-57=23 Exploring Operation: 80+30=110, Resulting Numbers: [57, 110] Generated Node #0,4,2: 19:[57, 110] Operation: 80+30=110 Exploring Operation: 80+57=137, Resulting Numbers: [30, 137] Generated Node #0,4,3: 19:[30, 137] Operation: 80+57=137 Exploring Operation: 57-30=27, Resulting Numbers: [80, 27] Generated Node #0,4,4: 19:[80, 27] Operation: 57-30=27 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 19:[30, 23], Operations: ['90-33=57', '80-57=23'] Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,19 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,19 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 #0,4,0 Current State: 19:[57, 50], Operations: ['90-33=57', '80-30=50'] Exploring Operation: 57+50=107, Resulting Numbers: [107] 107,19 unequal: No Solution Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 57*50=2850, Resulting Numbers: [2850] 2850,19 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 #0,4,4 Current State: 19:[80, 27], Operations: ['90-33=57', '57-30=27'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 80*27=2160, Resulting Numbers: [2160] 2160,19 unequal: No Solution Exploring Operation: 80+27=107, Resulting Numbers: [107] 107,19 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 #0,4,2 Current State: 19:[57, 110], Operations: ['90-33=57', '80+30=110'] Exploring Operation: 57+110=167, Resulting Numbers: [167] 167,19 unequal: No Solution Exploring Operation: 57*110=6270, Resulting Numbers: [6270] 6270,19 unequal: No Solution Exploring Operation: 110-57=53, Resulting Numbers: [53] 53,19 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 #0,4,3 Current State: 19:[30, 137], Operations: ['90-33=57', '80+57=137'] Exploring Operation: 30*137=4110, Resulting Numbers: [4110] 4110,19 unequal: No Solution Exploring Operation: 30+137=167, Resulting Numbers: [167] 167,19 unequal: No Solution Exploring Operation: 137-30=107, Resulting Numbers: [107] 107,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 19:[80, 33, 60], Operations: ['90-30=60'] Exploring Operation: 80-33=47, Resulting Numbers: [60, 47] Generated Node #0,3,0: 19:[60, 47] Operation: 80-33=47 Exploring Operation: 60-33=27, Resulting Numbers: [80, 27] Generated Node #0,3,1: 19:[80, 27] Operation: 60-33=27 Exploring Operation: 80+60=140, Resulting Numbers: [33, 140] Generated Node #0,3,2: 19:[33, 140] Operation: 80+60=140 Exploring Operation: 80+33=113, Resulting Numbers: [60, 113] Generated Node #0,3,3: 19:[60, 113] Operation: 80+33=113 Exploring Operation: 80-60=20, Resulting Numbers: [33, 20] Generated Node #0,3,4: 19:[33, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[33, 20], Operations: ['90-30=60', '80-60=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[60, 47], Operations: ['90-30=60', '80-33=47'] Exploring Operation: 60+47=107, Resulting Numbers: [107] 107,19 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 60*47=2820, Resulting Numbers: [2820] 2820,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[80, 27], Operations: ['90-30=60', '60-33=27'] Exploring Operation: 80+27=107, Resulting Numbers: [107] 107,19 unequal: No Solution Exploring Operation: 80*27=2160, Resulting Numbers: [2160] 2160,19 unequal: No Solution Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[33, 140], Operations: ['90-30=60', '80+60=140'] Exploring Operation: 140-33=107, Resulting Numbers: [107] 107,19 unequal: No Solution Exploring Operation: 33*140=4620, Resulting Numbers: [4620] 4620,19 unequal: No Solution Exploring Operation: 33+140=173, Resulting Numbers: [173] 173,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[60, 113], Operations: ['90-30=60', '80+33=113'] Exploring Operation: 113-60=53, Resulting Numbers: [53] 53,19 unequal: No Solution Exploring Operation: 60+113=173, Resulting Numbers: [173] 173,19 unequal: No Solution Exploring Operation: 60*113=6780, Resulting Numbers: [6780] 6780,19 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: 19:[30, 43], Operations: ['80-33=47', '90-47=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,19 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,19 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[47, 3], Operations: ['80-33=47', '90/30=3'] Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,19 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[47, 60], Operations: ['80-33=47', '90-30=60'] Exploring Operation: 47*60=2820, Resulting Numbers: [2820] 2820,19 unequal: No Solution Exploring Operation: 47+60=107, Resulting Numbers: [107] 107,19 unequal: No Solution Exploring Operation: 60-47=13, Resulting Numbers: [13] 13,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[90, 17], Operations: ['80-33=47', '47-30=17'] Exploring Operation: 90*17=1530, Resulting Numbers: [1530] 1530,19 unequal: No Solution Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,19 unequal: No Solution Exploring Operation: 90+17=107, Resulting Numbers: [107] 107,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[47, 120], Operations: ['80-33=47', '90+30=120'] Exploring Operation: 47+120=167, Resulting Numbers: [167] 167,19 unequal: No Solution Exploring Operation: 47*120=5640, Resulting Numbers: [5640] 5640,19 unequal: No Solution Exploring Operation: 120-47=73, Resulting Numbers: [73] 73,19 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 76, 19, 36 ]
94
[ "54+36=90", "76/19=4", "90+4=94" ]
Current State: 94:[54, 76, 19, 36], Operations: [] Exploring Operation: 54+36=90, Resulting Numbers: [76, 19, 90] Generated Node #2: [76, 19, 90] from Operation: 54+36=90 Current State: 94:[76, 19, 90], Operations: ['54+36=90'] Exploring Operation: 76/19=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 76/19=4 Current State: 94:[90, 4], Operations: ['54+36=90', '76/19=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[54, 76, 19, 36], Operations: [] Exploring Operation: 76+19=95, Resulting Numbers: [54, 36, 95] Generated Node #0,0: 94:[54, 36, 95] Operation: 76+19=95 Exploring Operation: 76/19=4, Resulting Numbers: [54, 36, 4] Generated Node #0,1: 94:[54, 36, 4] Operation: 76/19=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[54, 36, 95], Operations: ['76+19=95'] Exploring Operation: 54-36=18, Resulting Numbers: [95, 18] Generated Node #0,0,0: 94:[95, 18] Operation: 54-36=18 Exploring Operation: 54+36=90, Resulting Numbers: [95, 90] Generated Node #0,0,1: 94:[95, 90] Operation: 54+36=90 Moving to Node #0,0,1 Current State: 94:[95, 90], Operations: ['76+19=95', '54+36=90'] Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 95+90=185, Resulting Numbers: [185] 185,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[95, 18], Operations: ['76+19=95', '54-36=18'] Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,94 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[54, 36, 4], Operations: ['76/19=4'] Exploring Operation: 54+36=90, Resulting Numbers: [4, 90] Generated Node #0,1,0: 94:[4, 90] Operation: 54+36=90 Exploring Operation: 54-4=50, Resulting Numbers: [36, 50] Generated Node #0,1,1: 94:[36, 50] Operation: 54-4=50 Moving to Node #0,1,0 Current State: 94:[4, 90], Operations: ['76/19=4', '54+36=90'] Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[54, 76, 19, 36], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [54, 36, 4] Generated Node #0,1: 94:[54, 36, 4] Operation: 76/19=4 Moving to Node #0,1 Current State: 94:[54, 36, 4], Operations: ['76/19=4'] Exploring Operation: 54+36=90, Resulting Numbers: [4, 90] Generated Node #0,1,0: 94:[4, 90] Operation: 54+36=90 Moving to Node #0,1,0 Current State: 94:[4, 90], Operations: ['76/19=4', '54+36=90'] Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 65, 23, 71, 3 ]
69
[ "71-65=6", "6-3=3", "23*3=69" ]
Current State: 69:[65, 23, 71, 3], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [23, 3, 6] Generated Node #2: [23, 3, 6] from Operation: 71-65=6 Current State: 69:[23, 3, 6], Operations: ['71-65=6'] Exploring Operation: 6-3=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 6-3=3 Current State: 69:[23, 3], Operations: ['71-65=6', '6-3=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[65, 23, 71, 3], Operations: [] Exploring Operation: 65+3=68, Resulting Numbers: [23, 71, 68] Generated Node #0,0: 69:[23, 71, 68] Operation: 65+3=68 Exploring Operation: 71-65=6, Resulting Numbers: [23, 3, 6] Generated Node #0,1: 69:[23, 3, 6] Operation: 71-65=6 Moving to Node #0,0 Current State: 69:[23, 71, 68], Operations: ['65+3=68'] Exploring Operation: 71-68=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 69:[23, 3] Operation: 71-68=3 Exploring Operation: 71-23=48, Resulting Numbers: [68, 48] Generated Node #0,0,1: 69:[68, 48] Operation: 71-23=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[23, 3], Operations: ['65+3=68', '71-68=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[65, 23, 71, 3], Operations: [] Exploring Operation: 65+3=68, Resulting Numbers: [23, 71, 68] Generated Node #0,0: 69:[23, 71, 68] Operation: 65+3=68 Moving to Node #0,0 Current State: 69:[23, 71, 68], Operations: ['65+3=68'] Exploring Operation: 71-68=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 69:[23, 3] Operation: 71-68=3 Moving to Node #0,0,0 Current State: 69:[23, 3], Operations: ['65+3=68', '71-68=3'] Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 5, 29, 43, 18 ]
98
[ "29-18=11", "5*11=55", "43+55=98" ]
Current State: 98:[5, 29, 43, 18], Operations: [] Exploring Operation: 29-18=11, Resulting Numbers: [5, 43, 11] Generated Node #2: [5, 43, 11] from Operation: 29-18=11 Current State: 98:[5, 43, 11], Operations: ['29-18=11'] Exploring Operation: 5*11=55, Resulting Numbers: [43, 55] Generated Node #3: [43, 55] from Operation: 5*11=55 Current State: 98:[43, 55], Operations: ['29-18=11', '5*11=55'] Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[5, 29, 43, 18], Operations: [] Exploring Operation: 29+18=47, Resulting Numbers: [5, 43, 47] Generated Node #0,0: 98:[5, 43, 47] Operation: 29+18=47 Exploring Operation: 43-29=14, Resulting Numbers: [5, 18, 14] Generated Node #0,1: 98:[5, 18, 14] Operation: 43-29=14 Moving to Node #0,1 Current State: 98:[5, 18, 14], Operations: ['43-29=14'] Exploring Operation: 18-5=13, Resulting Numbers: [14, 13] Generated Node #0,1,0: 98:[14, 13] Operation: 18-5=13 Exploring Operation: 18-14=4, Resulting Numbers: [5, 4] Generated Node #0,1,1: 98:[5, 4] Operation: 18-14=4 Moving to Node #0,0 Current State: 98:[5, 43, 47], Operations: ['29+18=47'] Exploring Operation: 5+43=48, Resulting Numbers: [47, 48] Generated Node #0,0,0: 98:[47, 48] Operation: 5+43=48 Exploring Operation: 47-43=4, Resulting Numbers: [5, 4] Generated Node #0,0,1: 98:[5, 4] Operation: 47-43=4 Moving to Node #0,1,0 Current State: 98:[14, 13], Operations: ['43-29=14', '18-5=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[47, 48], Operations: ['29+18=47', '5+43=48'] Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[5, 4], Operations: ['43-29=14', '18-14=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[5, 4], Operations: ['29+18=47', '47-43=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 31, 92, 28, 64 ]
97
[ "92-31=61", "64-28=36", "61+36=97" ]
Current State: 97:[31, 92, 28, 64], Operations: [] Exploring Operation: 92-31=61, Resulting Numbers: [28, 64, 61] Generated Node #2: [28, 64, 61] from Operation: 92-31=61 Current State: 97:[28, 64, 61], Operations: ['92-31=61'] Exploring Operation: 64-28=36, Resulting Numbers: [61, 36] Generated Node #3: [61, 36] from Operation: 64-28=36 Current State: 97:[61, 36], Operations: ['92-31=61', '64-28=36'] Exploring Operation: 61+36=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[31, 92, 28, 64], Operations: [] Exploring Operation: 31+28=59, Resulting Numbers: [92, 64, 59] Generated Node #0,0: 97:[92, 64, 59] Operation: 31+28=59 Exploring Operation: 28+64=92, Resulting Numbers: [31, 92, 92] Generated Node #0,1: 97:[31, 92, 92] Operation: 28+64=92 Exploring Operation: 31+64=95, Resulting Numbers: [92, 28, 95] Generated Node #0,2: 97:[92, 28, 95] Operation: 31+64=95 Exploring Operation: 92+28=120, Resulting Numbers: [31, 64, 120] Generated Node #0,3: 97:[31, 64, 120] Operation: 92+28=120 Moving to Node #0,0 Current State: 97:[92, 64, 59], Operations: ['31+28=59'] Exploring Operation: 92-59=33, Resulting Numbers: [64, 33] Generated Node #0,0,0: 97:[64, 33] Operation: 92-59=33 Exploring Operation: 92+64=156, Resulting Numbers: [59, 156] Generated Node #0,0,1: 97:[59, 156] Operation: 92+64=156 Exploring Operation: 64+59=123, Resulting Numbers: [92, 123] Generated Node #0,0,2: 97:[92, 123] Operation: 64+59=123 Exploring Operation: 92+59=151, Resulting Numbers: [64, 151] Generated Node #0,0,3: 97:[64, 151] Operation: 92+59=151 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[92, 123], Operations: ['31+28=59', '64+59=123'] Exploring Operation: 92+123=215, Resulting Numbers: [215] 215,97 unequal: No Solution Exploring Operation: 92*123=11316, Resulting Numbers: [11316] 11316,97 unequal: No Solution Exploring Operation: 123-92=31, Resulting Numbers: [31] 31,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[64, 151], Operations: ['31+28=59', '92+59=151'] Exploring Operation: 64*151=9664, Resulting Numbers: [9664] 9664,97 unequal: No Solution Exploring Operation: 64+151=215, Resulting Numbers: [215] 215,97 unequal: No Solution Exploring Operation: 151-64=87, Resulting Numbers: [87] 87,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[64, 33], Operations: ['31+28=59', '92-59=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[31, 92, 28, 64], Operations: [] Exploring Operation: 31+28=59, Resulting Numbers: [92, 64, 59] Generated Node #0,0: 97:[92, 64, 59] Operation: 31+28=59 Moving to Node #0,0 Current State: 97:[92, 64, 59], Operations: ['31+28=59'] Exploring Operation: 92-59=33, Resulting Numbers: [64, 33] Generated Node #0,0,0: 97:[64, 33] Operation: 92-59=33 Moving to Node #0,0,0 Current State: 97:[64, 33], Operations: ['31+28=59', '92-59=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 31, 2, 4, 12 ]
95
[ "31*12=372", "372/4=93", "2+93=95" ]
Current State: 95:[31, 2, 4, 12], Operations: [] Exploring Operation: 31*12=372, Resulting Numbers: [2, 4, 372] Generated Node #2: [2, 4, 372] from Operation: 31*12=372 Current State: 95:[2, 4, 372], Operations: ['31*12=372'] Exploring Operation: 372/4=93, Resulting Numbers: [2, 93] Generated Node #3: [2, 93] from Operation: 372/4=93 Current State: 95:[2, 93], Operations: ['31*12=372', '372/4=93'] Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[31, 2, 4, 12], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [31, 2, 3] Generated Node #0,0: 95:[31, 2, 3] Operation: 12/4=3 Exploring Operation: 12/2=6, Resulting Numbers: [31, 4, 6] Generated Node #0,1: 95:[31, 4, 6] Operation: 12/2=6 Exploring Operation: 31-12=19, Resulting Numbers: [2, 4, 19] Generated Node #0,2: 95:[2, 4, 19] Operation: 31-12=19 Exploring Operation: 31-2=29, Resulting Numbers: [4, 12, 29] Generated Node #0,3: 95:[4, 12, 29] Operation: 31-2=29 Moving to Node #0,2 Current State: 95:[2, 4, 19], Operations: ['31-12=19'] Exploring Operation: 2*4=8, Resulting Numbers: [19, 8] Generated Node #0,2,0: 95:[19, 8] Operation: 2*4=8 Exploring Operation: 2+4=6, Resulting Numbers: [19, 6] Generated Node #0,2,1: 95:[19, 6] Operation: 2+4=6 Exploring Operation: 4-2=2, Resulting Numbers: [19, 2] Generated Node #0,2,2: 95:[19, 2] Operation: 4-2=2 Exploring Operation: 4/2=2, Resulting Numbers: [19, 2] Generated Node #0,2,3: 95:[19, 2] Operation: 4/2=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[19, 6], Operations: ['31-12=19', '2+4=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[19, 8], Operations: ['31-12=19', '2*4=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,95 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[19, 2], Operations: ['31-12=19', '4-2=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 95:[19, 2], Operations: ['31-12=19', '4/2=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,95 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[31, 4, 6], Operations: ['12/2=6'] Exploring Operation: 31-6=25, Resulting Numbers: [4, 25] Generated Node #0,1,0: 95:[4, 25] Operation: 31-6=25 Exploring Operation: 31+4=35, Resulting Numbers: [6, 35] Generated Node #0,1,1: 95:[6, 35] Operation: 31+4=35 Exploring Operation: 31-4=27, Resulting Numbers: [6, 27] Generated Node #0,1,2: 95:[6, 27] Operation: 31-4=27 Exploring Operation: 6-4=2, Resulting Numbers: [31, 2] Generated Node #0,1,3: 95:[31, 2] Operation: 6-4=2 Moving to Node #0,0 Current State: 95:[31, 2, 3], Operations: ['12/4=3'] Exploring Operation: 31-2=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 95:[3, 29] Operation: 31-2=29 Exploring Operation: 2+3=5, Resulting Numbers: [31, 5] Generated Node #0,0,1: 95:[31, 5] Operation: 2+3=5 Exploring Operation: 31-3=28, Resulting Numbers: [2, 28] Generated Node #0,0,2: 95:[2, 28] Operation: 31-3=28 Exploring Operation: 31*3=93, Resulting Numbers: [2, 93] Generated Node #0,0,3: 95:[2, 93] Operation: 31*3=93 Moving to Node #0,3 Current State: 95:[4, 12, 29], Operations: ['31-2=29'] Exploring Operation: 12-4=8, Resulting Numbers: [29, 8] Generated Node #0,3,0: 95:[29, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [29, 3] Generated Node #0,3,1: 95:[29, 3] Operation: 12/4=3 Exploring Operation: 29-12=17, Resulting Numbers: [4, 17] Generated Node #0,3,2: 95:[4, 17] Operation: 29-12=17 Exploring Operation: 4+12=16, Resulting Numbers: [29, 16] Generated Node #0,3,3: 95:[29, 16] Operation: 4+12=16 Moving to Node #0,3,2 Current State: 95:[4, 17], Operations: ['31-2=29', '29-12=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,95 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,95 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[2, 93], Operations: ['12/4=3', '31*3=93'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,95 unequal: No Solution Exploring Operation: 2*93=186, Resulting Numbers: [186] 186,95 unequal: No Solution Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[31, 2, 4, 12], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [31, 2, 3] Generated Node #0,0: 95:[31, 2, 3] Operation: 12/4=3 Moving to Node #0,0 Current State: 95:[31, 2, 3], Operations: ['12/4=3'] Exploring Operation: 31*3=93, Resulting Numbers: [2, 93] Generated Node #0,0,3: 95:[2, 93] Operation: 31*3=93 Moving to Node #0,0,3 Current State: 95:[2, 93], Operations: ['12/4=3', '31*3=93'] Exploring Operation: 2+93=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.963542
hs_4
sum_heuristic
[ 38, 44, 46, 37 ]
12
[ "38+46=84", "44-37=7", "84/7=12" ]
Current State: 12:[38, 44, 46, 37], Operations: [] Exploring Operation: 38+46=84, Resulting Numbers: [44, 37, 84] Generated Node #2: [44, 37, 84] from Operation: 38+46=84 Current State: 12:[44, 37, 84], Operations: ['38+46=84'] Exploring Operation: 44-37=7, Resulting Numbers: [84, 7] Generated Node #3: [84, 7] from Operation: 44-37=7 Current State: 12:[84, 7], Operations: ['38+46=84', '44-37=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[38, 44, 46, 37], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [46, 37, 6] Generated Node #0,0: 12:[46, 37, 6] Operation: 44-38=6 Exploring Operation: 46-44=2, Resulting Numbers: [38, 37, 2] Generated Node #0,1: 12:[38, 37, 2] Operation: 46-44=2 Moving to Node #0,1 Current State: 12:[38, 37, 2], Operations: ['46-44=2'] Exploring Operation: 38-37=1, Resulting Numbers: [2, 1] Generated Node #0,1,0: 12:[2, 1] Operation: 38-37=1 Exploring Operation: 38/2=19, Resulting Numbers: [37, 19] Generated Node #0,1,1: 12:[37, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[2, 1], Operations: ['46-44=2', '38-37=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[37, 19], Operations: ['46-44=2', '38/2=19'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,12 unequal: No Solution Exploring Operation: 37+19=56, Resulting Numbers: [56] 56,12 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: 12:[46, 37, 6], Operations: ['44-38=6'] Exploring Operation: 46-37=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 12:[6, 9] Operation: 46-37=9 Exploring Operation: 46-6=40, Resulting Numbers: [37, 40] Generated Node #0,0,1: 12:[37, 40] Operation: 46-6=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[6, 9], Operations: ['44-38=6', '46-37=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[37, 40], Operations: ['44-38=6', '46-6=40'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,12 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
[ 44, 50, 13, 4 ]
11
[ "50-44=6", "13+4=17", "17-6=11" ]
Current State: 11:[44, 50, 13, 4], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [13, 4, 6] Generated Node #2: [13, 4, 6] from Operation: 50-44=6 Current State: 11:[13, 4, 6], Operations: ['50-44=6'] Exploring Operation: 13+4=17, Resulting Numbers: [6, 17] Generated Node #3: [6, 17] from Operation: 13+4=17 Current State: 11:[6, 17], Operations: ['50-44=6', '13+4=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[44, 50, 13, 4], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [13, 4, 6] Generated Node #0,0: 11:[13, 4, 6] Operation: 50-44=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[13, 4, 6], Operations: ['50-44=6'] Exploring Operation: 4+6=10, Resulting Numbers: [13, 10] Generated Node #0,0,0: 11:[13, 10] Operation: 4+6=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[13, 10], Operations: ['50-44=6', '4+6=10'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 90, 51, 12, 92 ]
65
[ "90-51=39", "12+92=104", "104-39=65" ]
Current State: 65:[90, 51, 12, 92], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [12, 92, 39] Generated Node #2: [12, 92, 39] from Operation: 90-51=39 Current State: 65:[12, 92, 39], Operations: ['90-51=39'] Exploring Operation: 12+92=104, Resulting Numbers: [39, 104] Generated Node #3: [39, 104] from Operation: 12+92=104 Current State: 65:[39, 104], Operations: ['90-51=39', '12+92=104'] Exploring Operation: 104-39=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[90, 51, 12, 92], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [51, 12, 2] Generated Node #0,0: 65:[51, 12, 2] Operation: 92-90=2 Exploring Operation: 90-51=39, Resulting Numbers: [12, 92, 39] Generated Node #0,1: 65:[12, 92, 39] Operation: 90-51=39 Exploring Operation: 92-51=41, Resulting Numbers: [90, 12, 41] Generated Node #0,2: 65:[90, 12, 41] Operation: 92-51=41 Moving to Node #0,0 Current State: 65:[51, 12, 2], Operations: ['92-90=2'] Exploring Operation: 51+12=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 65:[2, 63] Operation: 51+12=63 Exploring Operation: 12+2=14, Resulting Numbers: [51, 14] Generated Node #0,0,1: 65:[51, 14] Operation: 12+2=14 Exploring Operation: 51+2=53, Resulting Numbers: [12, 53] Generated Node #0,0,2: 65:[12, 53] Operation: 51+2=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[2, 63], Operations: ['92-90=2', '51+12=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[90, 51, 12, 92], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [51, 12, 2] Generated Node #0,0: 65:[51, 12, 2] Operation: 92-90=2 Moving to Node #0,0 Current State: 65:[51, 12, 2], Operations: ['92-90=2'] Exploring Operation: 51+12=63, Resulting Numbers: [2, 63] Generated Node #0,0,0: 65:[2, 63] Operation: 51+12=63 Moving to Node #0,0,0 Current State: 65:[2, 63], Operations: ['92-90=2', '51+12=63'] Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 25, 12, 24, 2 ]
29
[ "25+2=27", "24/12=2", "27+2=29" ]
Current State: 29:[25, 12, 24, 2], Operations: [] Exploring Operation: 25+2=27, Resulting Numbers: [12, 24, 27] Generated Node #2: [12, 24, 27] from Operation: 25+2=27 Current State: 29:[12, 24, 27], Operations: ['25+2=27'] Exploring Operation: 24/12=2, Resulting Numbers: [27, 2] Generated Node #3: [27, 2] from Operation: 24/12=2 Current State: 29:[27, 2], Operations: ['25+2=27', '24/12=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[25, 12, 24, 2], Operations: [] Exploring Operation: 12*2=24, Resulting Numbers: [25, 24, 24] Generated Node #0,0: 29:[25, 24, 24] Operation: 12*2=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[25, 24, 24], Operations: ['12*2=24'] Exploring Operation: 24+24=48, Resulting Numbers: [25, 48] Generated Node #0,0,0: 29:[25, 48] Operation: 24+24=48 Moving to Node #0,0,0 Current State: 29:[25, 48], Operations: ['12*2=24', '24+24=48'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,29 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
[ 67, 23, 37, 87 ]
44
[ "67*23=1541", "87+1541=1628", "1628/37=44" ]
Current State: 44:[67, 23, 37, 87], Operations: [] Exploring Operation: 67*23=1541, Resulting Numbers: [37, 87, 1541] Generated Node #2: [37, 87, 1541] from Operation: 67*23=1541 Current State: 44:[37, 87, 1541], Operations: ['67*23=1541'] Exploring Operation: 87+1541=1628, Resulting Numbers: [37, 1628] Generated Node #3: [37, 1628] from Operation: 87+1541=1628 Current State: 44:[37, 1628], Operations: ['67*23=1541', '87+1541=1628'] Exploring Operation: 1628/37=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[67, 23, 37, 87], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [23, 37, 20] Generated Node #0,0: 44:[23, 37, 20] Operation: 87-67=20 Exploring Operation: 87-37=50, Resulting Numbers: [67, 23, 50] Generated Node #0,1: 44:[67, 23, 50] Operation: 87-37=50 Exploring Operation: 67-37=30, Resulting Numbers: [23, 87, 30] Generated Node #0,2: 44:[23, 87, 30] Operation: 67-37=30 Exploring Operation: 87-23=64, Resulting Numbers: [67, 37, 64] Generated Node #0,3: 44:[67, 37, 64] Operation: 87-23=64 Exploring Operation: 67-23=44, Resulting Numbers: [37, 87, 44] Generated Node #0,4: 44:[37, 87, 44] Operation: 67-23=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[23, 37, 20], Operations: ['87-67=20'] Exploring Operation: 37+20=57, Resulting Numbers: [23, 57] Generated Node #0,0,0: 44:[23, 57] Operation: 37+20=57 Exploring Operation: 37-20=17, Resulting Numbers: [23, 17] Generated Node #0,0,1: 44:[23, 17] Operation: 37-20=17 Exploring Operation: 37-23=14, Resulting Numbers: [20, 14] Generated Node #0,0,2: 44:[20, 14] Operation: 37-23=14 Exploring Operation: 23-20=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 44:[37, 3] Operation: 23-20=3 Exploring Operation: 23+20=43, Resulting Numbers: [37, 43] Generated Node #0,0,4: 44:[37, 43] Operation: 23+20=43 Moving to Node #0,0,2 Current State: 44:[20, 14], Operations: ['87-67=20', '37-23=14'] Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 20*14=280, Resulting Numbers: [280] 280,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[23, 17], Operations: ['87-67=20', '37-20=17'] Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 23*17=391, Resulting Numbers: [391] 391,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[37, 3], Operations: ['87-67=20', '23-20=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,44 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[37, 43], Operations: ['87-67=20', '23+20=43'] Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,44 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[23, 57], Operations: ['87-67=20', '37+20=57'] Exploring Operation: 23+57=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 23*57=1311, Resulting Numbers: [1311] 1311,44 unequal: No Solution Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[67, 23, 50], Operations: ['87-37=50'] Exploring Operation: 50-23=27, Resulting Numbers: [67, 27] Generated Node #0,1,0: 44:[67, 27] Operation: 50-23=27 Exploring Operation: 67-50=17, Resulting Numbers: [23, 17] Generated Node #0,1,1: 44:[23, 17] Operation: 67-50=17 Exploring Operation: 67+23=90, Resulting Numbers: [50, 90] Generated Node #0,1,2: 44:[50, 90] Operation: 67+23=90 Exploring Operation: 67-23=44, Resulting Numbers: [50, 44] Generated Node #0,1,3: 44:[50, 44] Operation: 67-23=44 Exploring Operation: 23+50=73, Resulting Numbers: [67, 73] Generated Node #0,1,4: 44:[67, 73] Operation: 23+50=73 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[23, 17], Operations: ['87-37=50', '67-50=17'] Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 23*17=391, Resulting Numbers: [391] 391,44 unequal: No Solution Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 44:[50, 44], Operations: ['87-37=50', '67-23=44'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 50*44=2200, Resulting Numbers: [2200] 2200,44 unequal: No Solution Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[67, 27], Operations: ['87-37=50', '50-23=27'] Exploring Operation: 67*27=1809, Resulting Numbers: [1809] 1809,44 unequal: No Solution Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,44 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[50, 90], Operations: ['87-37=50', '67+23=90'] Exploring Operation: 50+90=140, Resulting Numbers: [140] 140,44 unequal: No Solution Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 50*90=4500, Resulting Numbers: [4500] 4500,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 44:[67, 73], Operations: ['87-37=50', '23+50=73'] Exploring Operation: 73-67=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 67+73=140, Resulting Numbers: [140] 140,44 unequal: No Solution Exploring Operation: 67*73=4891, Resulting Numbers: [4891] 4891,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[67, 37, 64], Operations: ['87-23=64'] Exploring Operation: 37+64=101, Resulting Numbers: [67, 101] Generated Node #0,3,0: 44:[67, 101] Operation: 37+64=101 Exploring Operation: 64-37=27, Resulting Numbers: [67, 27] Generated Node #0,3,1: 44:[67, 27] Operation: 64-37=27 Exploring Operation: 67+37=104, Resulting Numbers: [64, 104] Generated Node #0,3,2: 44:[64, 104] Operation: 67+37=104 Exploring Operation: 67-37=30, Resulting Numbers: [64, 30] Generated Node #0,3,3: 44:[64, 30] Operation: 67-37=30 Exploring Operation: 67-64=3, Resulting Numbers: [37, 3] Generated Node #0,3,4: 44:[37, 3] Operation: 67-64=3 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 44:[37, 3], Operations: ['87-23=64', '67-64=3'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 44:[67, 27], Operations: ['87-23=64', '64-37=27'] Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,44 unequal: No Solution Exploring Operation: 67*27=1809, Resulting Numbers: [1809] 1809,44 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 44:[64, 30], Operations: ['87-23=64', '67-37=30'] Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,44 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[67, 101], Operations: ['87-23=64', '37+64=101'] Exploring Operation: 67+101=168, Resulting Numbers: [168] 168,44 unequal: No Solution Exploring Operation: 67*101=6767, Resulting Numbers: [6767] 6767,44 unequal: No Solution Exploring Operation: 101-67=34, Resulting Numbers: [34] 34,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 44:[64, 104], Operations: ['87-23=64', '67+37=104'] Exploring Operation: 104-64=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 64*104=6656, Resulting Numbers: [6656] 6656,44 unequal: No Solution Exploring Operation: 64+104=168, Resulting Numbers: [168] 168,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 44:[37, 87, 44], Operations: ['67-23=44'] Exploring Operation: 37+87=124, Resulting Numbers: [44, 124] Generated Node #0,4,0: 44:[44, 124] Operation: 37+87=124 Exploring Operation: 87-37=50, Resulting Numbers: [44, 50] Generated Node #0,4,1: 44:[44, 50] Operation: 87-37=50 Exploring Operation: 37+44=81, Resulting Numbers: [87, 81] Generated Node #0,4,2: 44:[87, 81] Operation: 37+44=81 Exploring Operation: 44-37=7, Resulting Numbers: [87, 7] Generated Node #0,4,3: 44:[87, 7] Operation: 44-37=7 Exploring Operation: 87-44=43, Resulting Numbers: [37, 43] Generated Node #0,4,4: 44:[37, 43] Operation: 87-44=43 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 44:[44, 50], Operations: ['67-23=44', '87-37=50'] Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,44 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 44:[37, 43], Operations: ['67-23=44', '87-44=43'] Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,44 unequal: No Solution Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 44:[87, 7], Operations: ['67-23=44', '44-37=7'] Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,44 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 44:[44, 124], Operations: ['67-23=44', '37+87=124'] Exploring Operation: 124-44=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 44*124=5456, Resulting Numbers: [5456] 5456,44 unequal: No Solution Exploring Operation: 44+124=168, Resulting Numbers: [168] 168,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 44:[87, 81], Operations: ['67-23=44', '37+44=81'] Exploring Operation: 87+81=168, Resulting Numbers: [168] 168,44 unequal: No Solution Exploring Operation: 87*81=7047, Resulting Numbers: [7047] 7047,44 unequal: No Solution Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[23, 87, 30], Operations: ['67-37=30'] Exploring Operation: 87-30=57, Resulting Numbers: [23, 57] Generated Node #0,2,0: 44:[23, 57] Operation: 87-30=57 Exploring Operation: 30-23=7, Resulting Numbers: [87, 7] Generated Node #0,2,1: 44:[87, 7] Operation: 30-23=7 Exploring Operation: 87-23=64, Resulting Numbers: [30, 64] Generated Node #0,2,2: 44:[30, 64] Operation: 87-23=64 Exploring Operation: 23+30=53, Resulting Numbers: [87, 53] Generated Node #0,2,3: 44:[87, 53] Operation: 23+30=53 Exploring Operation: 23+87=110, Resulting Numbers: [30, 110] Generated Node #0,2,4: 44:[30, 110] Operation: 23+87=110 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[23, 57], Operations: ['67-37=30', '87-30=57'] Exploring Operation: 57-23=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 23*57=1311, Resulting Numbers: [1311] 1311,44 unequal: No Solution Exploring Operation: 23+57=80, Resulting Numbers: [80] 80,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[30, 64], Operations: ['67-37=30', '87-23=64'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,44 unequal: No Solution Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[87, 7], Operations: ['67-37=30', '30-23=7'] Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,44 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 44:[87, 53], Operations: ['67-37=30', '23+30=53'] Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 87*53=4611, Resulting Numbers: [4611] 4611,44 unequal: No Solution Exploring Operation: 87+53=140, Resulting Numbers: [140] 140,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 44:[30, 110], Operations: ['67-37=30', '23+87=110'] Exploring Operation: 30*110=3300, Resulting Numbers: [3300] 3300,44 unequal: No Solution Exploring Operation: 110-30=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 30+110=140, Resulting Numbers: [140] 140,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 25, 79, 53, 70 ]
19
[ "25+79=104", "53+70=123", "123-104=19" ]
Current State: 19:[25, 79, 53, 70], Operations: [] Exploring Operation: 25+79=104, Resulting Numbers: [53, 70, 104] Generated Node #2: [53, 70, 104] from Operation: 25+79=104 Current State: 19:[53, 70, 104], Operations: ['25+79=104'] Exploring Operation: 53+70=123, Resulting Numbers: [104, 123] Generated Node #3: [104, 123] from Operation: 53+70=123 Current State: 19:[104, 123], Operations: ['25+79=104', '53+70=123'] Exploring Operation: 123-104=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[25, 79, 53, 70], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [25, 70, 26] Generated Node #0,0: 19:[25, 70, 26] Operation: 79-53=26 Exploring Operation: 79-70=9, Resulting Numbers: [25, 53, 9] Generated Node #0,1: 19:[25, 53, 9] Operation: 79-70=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[25, 53, 9], Operations: ['79-70=9'] Exploring Operation: 53-25=28, Resulting Numbers: [9, 28] Generated Node #0,1,0: 19:[9, 28] Operation: 53-25=28 Exploring Operation: 53-9=44, Resulting Numbers: [25, 44] Generated Node #0,1,1: 19:[25, 44] Operation: 53-9=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[9, 28], Operations: ['79-70=9', '53-25=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[25, 79, 53, 70], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [25, 53, 9] Generated Node #0,1: 19:[25, 53, 9] Operation: 79-70=9 Moving to Node #0,1 Current State: 19:[25, 53, 9], Operations: ['79-70=9'] Exploring Operation: 53-25=28, Resulting Numbers: [9, 28] Generated Node #0,1,0: 19:[9, 28] Operation: 53-25=28 Moving to Node #0,1,0 Current State: 19:[9, 28], Operations: ['79-70=9', '53-25=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 98, 91, 18, 49 ]
75
[ "98/49=2", "91-18=73", "2+73=75" ]
Current State: 75:[98, 91, 18, 49], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [91, 18, 2] Generated Node #2: [91, 18, 2] from Operation: 98/49=2 Current State: 75:[91, 18, 2], Operations: ['98/49=2'] Exploring Operation: 91-18=73, Resulting Numbers: [2, 73] Generated Node #3: [2, 73] from Operation: 91-18=73 Current State: 75:[2, 73], Operations: ['98/49=2', '91-18=73'] Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[98, 91, 18, 49], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [91, 18, 49] Generated Node #0,0: 75:[91, 18, 49] Operation: 98-49=49 Exploring Operation: 98-18=80, Resulting Numbers: [91, 49, 80] Generated Node #0,1: 75:[91, 49, 80] Operation: 98-18=80 Exploring Operation: 98/49=2, Resulting Numbers: [91, 18, 2] Generated Node #0,2: 75:[91, 18, 2] Operation: 98/49=2 Exploring Operation: 91-49=42, Resulting Numbers: [98, 18, 42] Generated Node #0,3: 75:[98, 18, 42] Operation: 91-49=42 Exploring Operation: 98-91=7, Resulting Numbers: [18, 49, 7] Generated Node #0,4: 75:[18, 49, 7] Operation: 98-91=7 Moving to Node #0,2 Current State: 75:[91, 18, 2], Operations: ['98/49=2'] Exploring Operation: 18-2=16, Resulting Numbers: [91, 16] Generated Node #0,2,0: 75:[91, 16] Operation: 18-2=16 Exploring Operation: 91+2=93, Resulting Numbers: [18, 93] Generated Node #0,2,1: 75:[18, 93] Operation: 91+2=93 Exploring Operation: 91-18=73, Resulting Numbers: [2, 73] Generated Node #0,2,2: 75:[2, 73] Operation: 91-18=73 Exploring Operation: 91-2=89, Resulting Numbers: [18, 89] Generated Node #0,2,3: 75:[18, 89] Operation: 91-2=89 Exploring Operation: 18/2=9, Resulting Numbers: [91, 9] Generated Node #0,2,4: 75:[91, 9] Operation: 18/2=9 Moving to Node #0,4 Current State: 75:[18, 49, 7], Operations: ['98-91=7'] Exploring Operation: 49-7=42, Resulting Numbers: [18, 42] Generated Node #0,4,0: 75:[18, 42] Operation: 49-7=42 Exploring Operation: 49-18=31, Resulting Numbers: [7, 31] Generated Node #0,4,1: 75:[7, 31] Operation: 49-18=31 Exploring Operation: 18+49=67, Resulting Numbers: [7, 67] Generated Node #0,4,2: 75:[7, 67] Operation: 18+49=67 Exploring Operation: 49/7=7, Resulting Numbers: [18, 7] Generated Node #0,4,3: 75:[18, 7] Operation: 49/7=7 Exploring Operation: 49+7=56, Resulting Numbers: [18, 56] Generated Node #0,4,4: 75:[18, 56] Operation: 49+7=56 Moving to Node #0,0 Current State: 75:[91, 18, 49], Operations: ['98-49=49'] Exploring Operation: 91-18=73, Resulting Numbers: [49, 73] Generated Node #0,0,0: 75:[49, 73] Operation: 91-18=73 Exploring Operation: 18+49=67, Resulting Numbers: [91, 67] Generated Node #0,0,1: 75:[91, 67] Operation: 18+49=67 Exploring Operation: 49-18=31, Resulting Numbers: [91, 31] Generated Node #0,0,2: 75:[91, 31] Operation: 49-18=31 Exploring Operation: 91-49=42, Resulting Numbers: [18, 42] Generated Node #0,0,3: 75:[18, 42] Operation: 91-49=42 Exploring Operation: 91+18=109, Resulting Numbers: [49, 109] Generated Node #0,0,4: 75:[49, 109] Operation: 91+18=109 Moving to Node #0,3 Current State: 75:[98, 18, 42], Operations: ['91-49=42'] Exploring Operation: 98-42=56, Resulting Numbers: [18, 56] Generated Node #0,3,0: 75:[18, 56] Operation: 98-42=56 Exploring Operation: 98-18=80, Resulting Numbers: [42, 80] Generated Node #0,3,1: 75:[42, 80] Operation: 98-18=80 Exploring Operation: 18+42=60, Resulting Numbers: [98, 60] Generated Node #0,3,2: 75:[98, 60] Operation: 18+42=60 Exploring Operation: 98+18=116, Resulting Numbers: [42, 116] Generated Node #0,3,3: 75:[42, 116] Operation: 98+18=116 Exploring Operation: 42-18=24, Resulting Numbers: [98, 24] Generated Node #0,3,4: 75:[98, 24] Operation: 42-18=24 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[18, 56], Operations: ['91-49=42', '98-42=56'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 18*56=1008, Resulting Numbers: [1008] 1008,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[42, 80], Operations: ['91-49=42', '98-18=80'] Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,75 unequal: No Solution Exploring Operation: 42+80=122, Resulting Numbers: [122] 122,75 unequal: No Solution Exploring Operation: 42*80=3360, Resulting Numbers: [3360] 3360,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 75:[98, 24], Operations: ['91-49=42', '42-18=24'] Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,75 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 98*24=2352, Resulting Numbers: [2352] 2352,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[98, 60], Operations: ['91-49=42', '18+42=60'] Exploring Operation: 98+60=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 98*60=5880, Resulting Numbers: [5880] 5880,75 unequal: No Solution Exploring Operation: 98-60=38, Resulting Numbers: [38] 38,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[42, 116], Operations: ['91-49=42', '98+18=116'] Exploring Operation: 42+116=158, Resulting Numbers: [158] 158,75 unequal: No Solution Exploring Operation: 42*116=4872, Resulting Numbers: [4872] 4872,75 unequal: No Solution Exploring Operation: 116-42=74, Resulting Numbers: [74] 74,75 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: 75:[91, 49, 80], Operations: ['98-18=80'] Exploring Operation: 91+49=140, Resulting Numbers: [80, 140] Generated Node #0,1,0: 75:[80, 140] Operation: 91+49=140 Exploring Operation: 91-80=11, Resulting Numbers: [49, 11] Generated Node #0,1,1: 75:[49, 11] Operation: 91-80=11 Exploring Operation: 49+80=129, Resulting Numbers: [91, 129] Generated Node #0,1,2: 75:[91, 129] Operation: 49+80=129 Exploring Operation: 80-49=31, Resulting Numbers: [91, 31] Generated Node #0,1,3: 75:[91, 31] Operation: 80-49=31 Exploring Operation: 91-49=42, Resulting Numbers: [80, 42] Generated Node #0,1,4: 75:[80, 42] Operation: 91-49=42 Moving to Node #0,2,2 Current State: 75:[2, 73], Operations: ['98/49=2', '91-18=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[98, 91, 18, 49], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [91, 18, 2] Generated Node #0,2: 75:[91, 18, 2] Operation: 98/49=2 Moving to Node #0,2 Current State: 75:[91, 18, 2], Operations: ['98/49=2'] Exploring Operation: 91-18=73, Resulting Numbers: [2, 73] Generated Node #0,2,2: 75:[2, 73] Operation: 91-18=73 Moving to Node #0,2,2 Current State: 75:[2, 73], Operations: ['98/49=2', '91-18=73'] Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 46, 35, 98, 28 ]
44
[ "98-28=70", "70/35=2", "46-2=44" ]
Current State: 44:[46, 35, 98, 28], Operations: [] Exploring Operation: 98-28=70, Resulting Numbers: [46, 35, 70] Generated Node #2: [46, 35, 70] from Operation: 98-28=70 Current State: 44:[46, 35, 70], Operations: ['98-28=70'] Exploring Operation: 70/35=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 70/35=2 Current State: 44:[46, 2], Operations: ['98-28=70', '70/35=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[46, 35, 98, 28], Operations: [] Exploring Operation: 98-28=70, Resulting Numbers: [46, 35, 70] Generated Node #0,0: 44:[46, 35, 70] Operation: 98-28=70 Exploring Operation: 98-46=52, Resulting Numbers: [35, 28, 52] Generated Node #0,1: 44:[35, 28, 52] Operation: 98-46=52 Exploring Operation: 98-35=63, Resulting Numbers: [46, 28, 63] Generated Node #0,2: 44:[46, 28, 63] Operation: 98-35=63 Exploring Operation: 46-35=11, Resulting Numbers: [98, 28, 11] Generated Node #0,3: 44:[98, 28, 11] Operation: 46-35=11 Exploring Operation: 35-28=7, Resulting Numbers: [46, 98, 7] Generated Node #0,4: 44:[46, 98, 7] Operation: 35-28=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[35, 28, 52], Operations: ['98-46=52'] Exploring Operation: 52-35=17, Resulting Numbers: [28, 17] Generated Node #0,1,0: 44:[28, 17] Operation: 52-35=17 Exploring Operation: 35+28=63, Resulting Numbers: [52, 63] Generated Node #0,1,1: 44:[52, 63] Operation: 35+28=63 Exploring Operation: 28+52=80, Resulting Numbers: [35, 80] Generated Node #0,1,2: 44:[35, 80] Operation: 28+52=80 Exploring Operation: 35-28=7, Resulting Numbers: [52, 7] Generated Node #0,1,3: 44:[52, 7] Operation: 35-28=7 Exploring Operation: 52-28=24, Resulting Numbers: [35, 24] Generated Node #0,1,4: 44:[35, 24] Operation: 52-28=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[28, 17], Operations: ['98-46=52', '52-35=17'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,44 unequal: No Solution Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 44:[52, 7], Operations: ['98-46=52', '35-28=7'] Exploring Operation: 52*7=364, Resulting Numbers: [364] 364,44 unequal: No Solution Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 44:[35, 24], Operations: ['98-46=52', '52-28=24'] Exploring Operation: 35*24=840, Resulting Numbers: [840] 840,44 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[52, 63], Operations: ['98-46=52', '35+28=63'] Exploring Operation: 63-52=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 52*63=3276, Resulting Numbers: [3276] 3276,44 unequal: No Solution Exploring Operation: 52+63=115, Resulting Numbers: [115] 115,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[35, 80], Operations: ['98-46=52', '28+52=80'] Exploring Operation: 35+80=115, Resulting Numbers: [115] 115,44 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 35*80=2800, Resulting Numbers: [2800] 2800,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[46, 28, 63], Operations: ['98-35=63'] Exploring Operation: 46-28=18, Resulting Numbers: [63, 18] Generated Node #0,2,0: 44:[63, 18] Operation: 46-28=18 Exploring Operation: 63-46=17, Resulting Numbers: [28, 17] Generated Node #0,2,1: 44:[28, 17] Operation: 63-46=17 Exploring Operation: 28+63=91, Resulting Numbers: [46, 91] Generated Node #0,2,2: 44:[46, 91] Operation: 28+63=91 Exploring Operation: 46+28=74, Resulting Numbers: [63, 74] Generated Node #0,2,3: 44:[63, 74] Operation: 46+28=74 Exploring Operation: 63-28=35, Resulting Numbers: [46, 35] Generated Node #0,2,4: 44:[46, 35] Operation: 63-28=35 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[28, 17], Operations: ['98-35=63', '63-46=17'] Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 28+17=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 28*17=476, Resulting Numbers: [476] 476,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 44:[46, 35], Operations: ['98-35=63', '63-28=35'] Exploring Operation: 46*35=1610, Resulting Numbers: [1610] 1610,44 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 46+35=81, Resulting Numbers: [81] 81,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[63, 18], Operations: ['98-35=63', '46-28=18'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 63*18=1134, Resulting Numbers: [1134] 1134,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[46, 91], Operations: ['98-35=63', '28+63=91'] Exploring Operation: 46*91=4186, Resulting Numbers: [4186] 4186,44 unequal: No Solution Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 46+91=137, Resulting Numbers: [137] 137,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 44:[63, 74], Operations: ['98-35=63', '46+28=74'] Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,44 unequal: No Solution Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[46, 35, 70], Operations: ['98-28=70'] Exploring Operation: 46-35=11, Resulting Numbers: [70, 11] Generated Node #0,0,0: 44:[70, 11] Operation: 46-35=11 Exploring Operation: 70-35=35, Resulting Numbers: [46, 35] Generated Node #0,0,1: 44:[46, 35] Operation: 70-35=35 Exploring Operation: 70/35=2, Resulting Numbers: [46, 2] Generated Node #0,0,2: 44:[46, 2] Operation: 70/35=2 Exploring Operation: 46+35=81, Resulting Numbers: [70, 81] Generated Node #0,0,3: 44:[70, 81] Operation: 46+35=81 Exploring Operation: 70-46=24, Resulting Numbers: [35, 24] Generated Node #0,0,4: 44:[35, 24] Operation: 70-46=24 Moving to Node #0,0,2 Current State: 44:[46, 2], Operations: ['98-28=70', '70/35=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[46, 35, 98, 28], Operations: [] Exploring Operation: 98-28=70, Resulting Numbers: [46, 35, 70] Generated Node #0,0: 44:[46, 35, 70] Operation: 98-28=70 Moving to Node #0,0 Current State: 44:[46, 35, 70], Operations: ['98-28=70'] Exploring Operation: 70/35=2, Resulting Numbers: [46, 2] Generated Node #0,0,2: 44:[46, 2] Operation: 70/35=2 Moving to Node #0,0,2 Current State: 44:[46, 2], Operations: ['98-28=70', '70/35=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 19, 25, 64, 59 ]
30
[ "25-19=6", "64-59=5", "6*5=30" ]
Current State: 30:[19, 25, 64, 59], Operations: [] Exploring Operation: 25-19=6, Resulting Numbers: [64, 59, 6] Generated Node #2: [64, 59, 6] from Operation: 25-19=6 Current State: 30:[64, 59, 6], Operations: ['25-19=6'] Exploring Operation: 64-59=5, Resulting Numbers: [6, 5] Generated Node #3: [6, 5] from Operation: 64-59=5 Current State: 30:[6, 5], Operations: ['25-19=6', '64-59=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[19, 25, 64, 59], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [19, 25, 5] Generated Node #0,0: 30:[19, 25, 5] Operation: 64-59=5 Exploring Operation: 64-25=39, Resulting Numbers: [19, 59, 39] Generated Node #0,1: 30:[19, 59, 39] Operation: 64-25=39 Exploring Operation: 59-19=40, Resulting Numbers: [25, 64, 40] Generated Node #0,2: 30:[25, 64, 40] Operation: 59-19=40 Exploring Operation: 59-25=34, Resulting Numbers: [19, 64, 34] Generated Node #0,3: 30:[19, 64, 34] Operation: 59-25=34 Exploring Operation: 64-19=45, Resulting Numbers: [25, 59, 45] Generated Node #0,4: 30:[25, 59, 45] Operation: 64-19=45 Moving to Node #0,0 Current State: 30:[19, 25, 5], Operations: ['64-59=5'] Exploring Operation: 25/5=5, Resulting Numbers: [19, 5] Generated Node #0,0,0: 30:[19, 5] Operation: 25/5=5 Exploring Operation: 25-5=20, Resulting Numbers: [19, 20] Generated Node #0,0,1: 30:[19, 20] Operation: 25-5=20 Exploring Operation: 25+5=30, Resulting Numbers: [19, 30] Generated Node #0,0,2: 30:[19, 30] Operation: 25+5=30 Exploring Operation: 19-5=14, Resulting Numbers: [25, 14] Generated Node #0,0,3: 30:[25, 14] Operation: 19-5=14 Exploring Operation: 25-19=6, Resulting Numbers: [5, 6] Generated Node #0,0,4: 30:[5, 6] Operation: 25-19=6 Moving to Node #0,3 Current State: 30:[19, 64, 34], Operations: ['59-25=34'] Exploring Operation: 64-19=45, Resulting Numbers: [34, 45] Generated Node #0,3,0: 30:[34, 45] Operation: 64-19=45 Exploring Operation: 34-19=15, Resulting Numbers: [64, 15] Generated Node #0,3,1: 30:[64, 15] Operation: 34-19=15 Exploring Operation: 64-34=30, Resulting Numbers: [19, 30] Generated Node #0,3,2: 30:[19, 30] Operation: 64-34=30 Exploring Operation: 19+34=53, Resulting Numbers: [64, 53] Generated Node #0,3,3: 30:[64, 53] Operation: 19+34=53 Exploring Operation: 19+64=83, Resulting Numbers: [34, 83] Generated Node #0,3,4: 30:[34, 83] Operation: 19+64=83 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 30:[19, 30], Operations: ['59-25=34', '64-34=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 30:[34, 45], Operations: ['59-25=34', '64-19=45'] Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,30 unequal: No Solution Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 30:[64, 15], Operations: ['59-25=34', '34-19=15'] Exploring Operation: 64*15=960, Resulting Numbers: [960] 960,30 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[64, 53], Operations: ['59-25=34', '19+34=53'] Exploring Operation: 64*53=3392, Resulting Numbers: [3392] 3392,30 unequal: No Solution Exploring Operation: 64-53=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 64+53=117, Resulting Numbers: [117] 117,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 30:[34, 83], Operations: ['59-25=34', '19+64=83'] Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 34+83=117, Resulting Numbers: [117] 117,30 unequal: No Solution Exploring Operation: 34*83=2822, Resulting Numbers: [2822] 2822,30 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: 30:[19, 59, 39], Operations: ['64-25=39'] Exploring Operation: 59-19=40, Resulting Numbers: [39, 40] Generated Node #0,1,0: 30:[39, 40] Operation: 59-19=40 Exploring Operation: 19+59=78, Resulting Numbers: [39, 78] Generated Node #0,1,1: 30:[39, 78] Operation: 19+59=78 Exploring Operation: 59-39=20, Resulting Numbers: [19, 20] Generated Node #0,1,2: 30:[19, 20] Operation: 59-39=20 Exploring Operation: 39-19=20, Resulting Numbers: [59, 20] Generated Node #0,1,3: 30:[59, 20] Operation: 39-19=20 Exploring Operation: 19+39=58, Resulting Numbers: [59, 58] Generated Node #0,1,4: 30:[59, 58] Operation: 19+39=58 Moving to Node #0,2 Current State: 30:[25, 64, 40], Operations: ['59-19=40'] Exploring Operation: 64-25=39, Resulting Numbers: [40, 39] Generated Node #0,2,0: 30:[40, 39] Operation: 64-25=39 Exploring Operation: 40-25=15, Resulting Numbers: [64, 15] Generated Node #0,2,1: 30:[64, 15] Operation: 40-25=15 Exploring Operation: 25+40=65, Resulting Numbers: [64, 65] Generated Node #0,2,2: 30:[64, 65] Operation: 25+40=65 Exploring Operation: 25+64=89, Resulting Numbers: [40, 89] Generated Node #0,2,3: 30:[40, 89] Operation: 25+64=89 Exploring Operation: 64-40=24, Resulting Numbers: [25, 24] Generated Node #0,2,4: 30:[25, 24] Operation: 64-40=24 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 30:[25, 24], Operations: ['59-19=40', '64-40=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[40, 39], Operations: ['59-19=40', '64-25=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,30 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 40*39=1560, Resulting Numbers: [1560] 1560,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[64, 15], Operations: ['59-19=40', '40-25=15'] Exploring Operation: 64*15=960, Resulting Numbers: [960] 960,30 unequal: No Solution Exploring Operation: 64+15=79, Resulting Numbers: [79] 79,30 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[64, 65], Operations: ['59-19=40', '25+40=65'] Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,30 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,30 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[40, 89], Operations: ['59-19=40', '25+64=89'] Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,30 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,30 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: 30:[25, 59, 45], Operations: ['64-19=45'] Exploring Operation: 59-25=34, Resulting Numbers: [45, 34] Generated Node #0,4,0: 30:[45, 34] Operation: 59-25=34 Exploring Operation: 25+45=70, Resulting Numbers: [59, 70] Generated Node #0,4,1: 30:[59, 70] Operation: 25+45=70 Exploring Operation: 59-45=14, Resulting Numbers: [25, 14] Generated Node #0,4,2: 30:[25, 14] Operation: 59-45=14 Exploring Operation: 25+59=84, Resulting Numbers: [45, 84] Generated Node #0,4,3: 30:[45, 84] Operation: 25+59=84 Exploring Operation: 45-25=20, Resulting Numbers: [59, 20] Generated Node #0,4,4: 30:[59, 20] Operation: 45-25=20 Moving to Node #0,0,4 Current State: 30:[5, 6], Operations: ['64-59=5', '25-19=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[19, 25, 64, 59], Operations: [] Exploring Operation: 64-59=5, Resulting Numbers: [19, 25, 5] Generated Node #0,0: 30:[19, 25, 5] Operation: 64-59=5 Moving to Node #0,0 Current State: 30:[19, 25, 5], Operations: ['64-59=5'] Exploring Operation: 25-19=6, Resulting Numbers: [5, 6] Generated Node #0,0,4: 30:[5, 6] Operation: 25-19=6 Moving to Node #0,0,4 Current State: 30:[5, 6], Operations: ['64-59=5', '25-19=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 56, 84, 40, 61 ]
92
[ "61-56=5", "40/5=8", "84+8=92" ]
Current State: 92:[56, 84, 40, 61], Operations: [] Exploring Operation: 61-56=5, Resulting Numbers: [84, 40, 5] Generated Node #2: [84, 40, 5] from Operation: 61-56=5 Current State: 92:[84, 40, 5], Operations: ['61-56=5'] Exploring Operation: 40/5=8, Resulting Numbers: [84, 8] Generated Node #3: [84, 8] from Operation: 40/5=8 Current State: 92:[84, 8], Operations: ['61-56=5', '40/5=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[56, 84, 40, 61], Operations: [] Exploring Operation: 56+40=96, Resulting Numbers: [84, 61, 96] Generated Node #0,0: 92:[84, 61, 96] Operation: 56+40=96 Exploring Operation: 84-56=28, Resulting Numbers: [40, 61, 28] Generated Node #0,1: 92:[40, 61, 28] Operation: 84-56=28 Exploring Operation: 61-40=21, Resulting Numbers: [56, 84, 21] Generated Node #0,2: 92:[56, 84, 21] Operation: 61-40=21 Exploring Operation: 61-56=5, Resulting Numbers: [84, 40, 5] Generated Node #0,3: 92:[84, 40, 5] Operation: 61-56=5 Exploring Operation: 84-61=23, Resulting Numbers: [56, 40, 23] Generated Node #0,4: 92:[56, 40, 23] Operation: 84-61=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[84, 40, 5], Operations: ['61-56=5'] Exploring Operation: 84-5=79, Resulting Numbers: [40, 79] Generated Node #0,3,0: 92:[40, 79] Operation: 84-5=79 Exploring Operation: 40/5=8, Resulting Numbers: [84, 8] Generated Node #0,3,1: 92:[84, 8] Operation: 40/5=8 Exploring Operation: 40+5=45, Resulting Numbers: [84, 45] Generated Node #0,3,2: 92:[84, 45] Operation: 40+5=45 Exploring Operation: 84+5=89, Resulting Numbers: [40, 89] Generated Node #0,3,3: 92:[40, 89] Operation: 84+5=89 Exploring Operation: 84-40=44, Resulting Numbers: [5, 44] Generated Node #0,3,4: 92:[5, 44] Operation: 84-40=44 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 92:[5, 44], Operations: ['61-56=5', '84-40=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,92 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 92:[84, 45], Operations: ['61-56=5', '40+5=45'] Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,92 unequal: No Solution Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 92:[40, 89], Operations: ['61-56=5', '84+5=89'] Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,92 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,92 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 92:[84, 8], Operations: ['61-56=5', '40/5=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,92 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[56, 84, 40, 61], Operations: [] Exploring Operation: 61-56=5, Resulting Numbers: [84, 40, 5] Generated Node #0,3: 92:[84, 40, 5] Operation: 61-56=5 Moving to Node #0,3 Current State: 92:[84, 40, 5], Operations: ['61-56=5'] Exploring Operation: 40/5=8, Resulting Numbers: [84, 8] Generated Node #0,3,1: 92:[84, 8] Operation: 40/5=8 Moving to Node #0,3,1 Current State: 92:[84, 8], Operations: ['61-56=5', '40/5=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 32, 50, 24, 16 ]
42
[ "32+50=82", "24+16=40", "82-40=42" ]
Current State: 42:[32, 50, 24, 16], Operations: [] Exploring Operation: 32+50=82, Resulting Numbers: [24, 16, 82] Generated Node #2: [24, 16, 82] from Operation: 32+50=82 Current State: 42:[24, 16, 82], Operations: ['32+50=82'] Exploring Operation: 24+16=40, Resulting Numbers: [82, 40] Generated Node #3: [82, 40] from Operation: 24+16=40 Current State: 42:[82, 40], Operations: ['32+50=82', '24+16=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[32, 50, 24, 16], Operations: [] Exploring Operation: 32-24=8, Resulting Numbers: [50, 16, 8] Generated Node #0,0: 42:[50, 16, 8] Operation: 32-24=8 Exploring Operation: 50-32=18, Resulting Numbers: [24, 16, 18] Generated Node #0,1: 42:[24, 16, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[24, 16, 18], Operations: ['50-32=18'] Exploring Operation: 24-18=6, Resulting Numbers: [16, 6] Generated Node #0,1,0: 42:[16, 6] Operation: 24-18=6 Exploring Operation: 24+18=42, Resulting Numbers: [16, 42] Generated Node #0,1,1: 42:[16, 42] Operation: 24+18=42 Moving to Node #0,1,0 Current State: 42:[16, 6], Operations: ['50-32=18', '24-18=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,42 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[16, 42], Operations: ['50-32=18', '24+18=42'] Exploring Operation: 16+42=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,42 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, 16, 8], Operations: ['32-24=8'] Exploring Operation: 50-8=42, Resulting Numbers: [16, 42] Generated Node #0,0,0: 42:[16, 42] Operation: 50-8=42 Exploring Operation: 16/8=2, Resulting Numbers: [50, 2] Generated Node #0,0,1: 42:[50, 2] Operation: 16/8=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[16, 42], Operations: ['32-24=8', '50-8=42'] Exploring Operation: 16+42=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,42 unequal: No Solution No 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: 42:[50, 2], Operations: ['32-24=8', '16/8=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 13, 66, 5, 69 ]
15
[ "13+66=79", "69-5=64", "79-64=15" ]
Current State: 15:[13, 66, 5, 69], Operations: [] Exploring Operation: 13+66=79, Resulting Numbers: [5, 69, 79] Generated Node #2: [5, 69, 79] from Operation: 13+66=79 Current State: 15:[5, 69, 79], Operations: ['13+66=79'] Exploring Operation: 69-5=64, Resulting Numbers: [79, 64] Generated Node #3: [79, 64] from Operation: 69-5=64 Current State: 15:[79, 64], Operations: ['13+66=79', '69-5=64'] Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[13, 66, 5, 69], Operations: [] Exploring Operation: 69-5=64, Resulting Numbers: [13, 66, 64] Generated Node #0,0: 15:[13, 66, 64] Operation: 69-5=64 Exploring Operation: 69-13=56, Resulting Numbers: [66, 5, 56] Generated Node #0,1: 15:[66, 5, 56] Operation: 69-13=56 Exploring Operation: 66-5=61, Resulting Numbers: [13, 69, 61] Generated Node #0,2: 15:[13, 69, 61] Operation: 66-5=61 Exploring Operation: 66-13=53, Resulting Numbers: [5, 69, 53] Generated Node #0,3: 15:[5, 69, 53] Operation: 66-13=53 Exploring Operation: 69-66=3, Resulting Numbers: [13, 5, 3] Generated Node #0,4: 15:[13, 5, 3] Operation: 69-66=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 15:[13, 5, 3], Operations: ['69-66=3'] Exploring Operation: 13+5=18, Resulting Numbers: [3, 18] Generated Node #0,4,0: 15:[3, 18] Operation: 13+5=18 Exploring Operation: 13-5=8, Resulting Numbers: [3, 8] Generated Node #0,4,1: 15:[3, 8] Operation: 13-5=8 Exploring Operation: 5-3=2, Resulting Numbers: [13, 2] Generated Node #0,4,2: 15:[13, 2] Operation: 5-3=2 Exploring Operation: 5*3=15, Resulting Numbers: [13, 15] Generated Node #0,4,3: 15:[13, 15] Operation: 5*3=15 Exploring Operation: 13+3=16, Resulting Numbers: [5, 16] Generated Node #0,4,4: 15:[5, 16] Operation: 13+3=16 Moving to Node #0,4,4 Current State: 15:[5, 16], Operations: ['69-66=3', '13+3=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,15 unequal: No Solution Moving to Node #0,4,3 Current State: 15:[13, 15], Operations: ['69-66=3', '5*3=15'] Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,15 unequal: No Solution Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,15 unequal: No Solution Moving to Node #0,4,0 Current State: 15:[3, 18], Operations: ['69-66=3', '13+5=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,15 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[13, 66, 5, 69], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [13, 5, 3] Generated Node #0,4: 15:[13, 5, 3] Operation: 69-66=3 Moving to Node #0,4 Current State: 15:[13, 5, 3], Operations: ['69-66=3'] Exploring Operation: 13+5=18, Resulting Numbers: [3, 18] Generated Node #0,4,0: 15:[3, 18] Operation: 13+5=18 Moving to Node #0,4,0 Current State: 15:[3, 18], Operations: ['69-66=3', '13+5=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 80, 15, 59, 45 ]
79
[ "80-15=65", "59-45=14", "65+14=79" ]
Current State: 79:[80, 15, 59, 45], Operations: [] Exploring Operation: 80-15=65, Resulting Numbers: [59, 45, 65] Generated Node #2: [59, 45, 65] from Operation: 80-15=65 Current State: 79:[59, 45, 65], Operations: ['80-15=65'] Exploring Operation: 59-45=14, Resulting Numbers: [65, 14] Generated Node #3: [65, 14] from Operation: 59-45=14 Current State: 79:[65, 14], Operations: ['80-15=65', '59-45=14'] Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[80, 15, 59, 45], Operations: [] Exploring Operation: 15+59=74, Resulting Numbers: [80, 45, 74] Generated Node #0,0: 79:[80, 45, 74] Operation: 15+59=74 Moving to Node #0,0 Current State: 79:[80, 45, 74], Operations: ['15+59=74'] Exploring Operation: 45+74=119, Resulting Numbers: [80, 119] Generated Node #0,0,0: 79:[80, 119] Operation: 45+74=119 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[80, 119], Operations: ['15+59=74', '45+74=119'] Exploring Operation: 119-80=39, Resulting Numbers: [39] 39,79 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
[ 34, 20, 90, 55 ]
91
[ "34+20=54", "90+55=145", "145-54=91" ]
Current State: 91:[34, 20, 90, 55], Operations: [] Exploring Operation: 34+20=54, Resulting Numbers: [90, 55, 54] Generated Node #2: [90, 55, 54] from Operation: 34+20=54 Current State: 91:[90, 55, 54], Operations: ['34+20=54'] Exploring Operation: 90+55=145, Resulting Numbers: [54, 145] Generated Node #3: [54, 145] from Operation: 90+55=145 Current State: 91:[54, 145], Operations: ['34+20=54', '90+55=145'] Exploring Operation: 145-54=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[34, 20, 90, 55], Operations: [] Exploring Operation: 34+55=89, Resulting Numbers: [20, 90, 89] Generated Node #0,0: 91:[20, 90, 89] Operation: 34+55=89 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[20, 90, 89], Operations: ['34+55=89'] Exploring Operation: 90-89=1, Resulting Numbers: [20, 1] Generated Node #0,0,0: 91:[20, 1] Operation: 90-89=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[20, 1], Operations: ['34+55=89', '90-89=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,91 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
[ 15, 1, 30, 34 ]
16
[ "30/15=2", "34/2=17", "17-1=16" ]
Current State: 16:[15, 1, 30, 34], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [1, 34, 2] Generated Node #2: [1, 34, 2] from Operation: 30/15=2 Current State: 16:[1, 34, 2], Operations: ['30/15=2'] Exploring Operation: 34/2=17, Resulting Numbers: [1, 17] Generated Node #3: [1, 17] from Operation: 34/2=17 Current State: 16:[1, 17], Operations: ['30/15=2', '34/2=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[15, 1, 30, 34], Operations: [] Exploring Operation: 34-15=19, Resulting Numbers: [1, 30, 19] Generated Node #0,0: 16:[1, 30, 19] Operation: 34-15=19 Exploring Operation: 30-15=15, Resulting Numbers: [1, 34, 15] Generated Node #0,1: 16:[1, 34, 15] Operation: 30-15=15 Exploring Operation: 30/15=2, Resulting Numbers: [1, 34, 2] Generated Node #0,2: 16:[1, 34, 2] Operation: 30/15=2 Exploring Operation: 34-30=4, Resulting Numbers: [15, 1, 4] Generated Node #0,3: 16:[15, 1, 4] Operation: 34-30=4 Exploring Operation: 15+1=16, Resulting Numbers: [30, 34, 16] Generated Node #0,4: 16:[30, 34, 16] Operation: 15+1=16 Moving to Node #0,3 Current State: 16:[15, 1, 4], Operations: ['34-30=4'] Exploring Operation: 15/1=15, Resulting Numbers: [4, 15] Generated Node #0,3,0: 16:[4, 15] Operation: 15/1=15 Exploring Operation: 15*1=15, Resulting Numbers: [4, 15] Generated Node #0,3,1: 16:[4, 15] Operation: 15*1=15 Exploring Operation: 1*4=4, Resulting Numbers: [15, 4] Generated Node #0,3,2: 16:[15, 4] Operation: 1*4=4 Exploring Operation: 15+1=16, Resulting Numbers: [4, 16] Generated Node #0,3,3: 16:[4, 16] Operation: 15+1=16 Exploring Operation: 4/1=4, Resulting Numbers: [15, 4] Generated Node #0,3,4: 16:[15, 4] Operation: 4/1=4 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[4, 16], Operations: ['34-30=4', '15+1=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[4, 15], Operations: ['34-30=4', '15/1=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[4, 15], Operations: ['34-30=4', '15*1=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[15, 4], Operations: ['34-30=4', '1*4=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 16:[15, 4], Operations: ['34-30=4', '4/1=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,16 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: 16:[1, 30, 19], Operations: ['34-15=19'] Exploring Operation: 19-1=18, Resulting Numbers: [30, 18] Generated Node #0,0,0: 16:[30, 18] Operation: 19-1=18 Exploring Operation: 1*30=30, Resulting Numbers: [19, 30] Generated Node #0,0,1: 16:[19, 30] Operation: 1*30=30 Exploring Operation: 30-19=11, Resulting Numbers: [1, 11] Generated Node #0,0,2: 16:[1, 11] Operation: 30-19=11 Exploring Operation: 30/1=30, Resulting Numbers: [19, 30] Generated Node #0,0,3: 16:[19, 30] Operation: 30/1=30 Exploring Operation: 30-1=29, Resulting Numbers: [19, 29] Generated Node #0,0,4: 16:[19, 29] Operation: 30-1=29 Moving to Node #0,2 Current State: 16:[1, 34, 2], Operations: ['30/15=2'] Exploring Operation: 34/2=17, Resulting Numbers: [1, 17] Generated Node #0,2,0: 16:[1, 17] Operation: 34/2=17 Exploring Operation: 1*34=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 16:[2, 34] Operation: 1*34=34 Exploring Operation: 34/1=34, Resulting Numbers: [2, 34] Generated Node #0,2,2: 16:[2, 34] Operation: 34/1=34 Exploring Operation: 34-2=32, Resulting Numbers: [1, 32] Generated Node #0,2,3: 16:[1, 32] Operation: 34-2=32 Exploring Operation: 34-1=33, Resulting Numbers: [2, 33] Generated Node #0,2,4: 16:[2, 33] Operation: 34-1=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[1, 17], Operations: ['30/15=2', '34/2=17'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[15, 1, 30, 34], Operations: [] Exploring Operation: 30/15=2, Resulting Numbers: [1, 34, 2] Generated Node #0,2: 16:[1, 34, 2] Operation: 30/15=2 Moving to Node #0,2 Current State: 16:[1, 34, 2], Operations: ['30/15=2'] Exploring Operation: 34/2=17, Resulting Numbers: [1, 17] Generated Node #0,2,0: 16:[1, 17] Operation: 34/2=17 Moving to Node #0,2,0 Current State: 16:[1, 17], Operations: ['30/15=2', '34/2=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 69, 18, 27, 19 ]
99
[ "69*27=1863", "18+1863=1881", "1881/19=99" ]
Current State: 99:[69, 18, 27, 19], Operations: [] Exploring Operation: 69*27=1863, Resulting Numbers: [18, 19, 1863] Generated Node #2: [18, 19, 1863] from Operation: 69*27=1863 Current State: 99:[18, 19, 1863], Operations: ['69*27=1863'] Exploring Operation: 18+1863=1881, Resulting Numbers: [19, 1881] Generated Node #3: [19, 1881] from Operation: 18+1863=1881 Current State: 99:[19, 1881], Operations: ['69*27=1863', '18+1863=1881'] Exploring Operation: 1881/19=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[69, 18, 27, 19], Operations: [] Exploring Operation: 69+27=96, Resulting Numbers: [18, 19, 96] Generated Node #0,0: 99:[18, 19, 96] Operation: 69+27=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[18, 19, 96], Operations: ['69+27=96'] Exploring Operation: 19-18=1, Resulting Numbers: [96, 1] Generated Node #0,0,0: 99:[96, 1] Operation: 19-18=1 Moving to Node #0,0,0 Current State: 99:[96, 1], Operations: ['69+27=96', '19-18=1'] Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,99 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
[ 79, 10, 57, 51 ]
75
[ "79-10=69", "57-51=6", "69+6=75" ]
Current State: 75:[79, 10, 57, 51], Operations: [] Exploring Operation: 79-10=69, Resulting Numbers: [57, 51, 69] Generated Node #2: [57, 51, 69] from Operation: 79-10=69 Current State: 75:[57, 51, 69], Operations: ['79-10=69'] Exploring Operation: 57-51=6, Resulting Numbers: [69, 6] Generated Node #3: [69, 6] from Operation: 57-51=6 Current State: 75:[69, 6], Operations: ['79-10=69', '57-51=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[79, 10, 57, 51], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [10, 57, 28] Generated Node #0,0: 75:[10, 57, 28] Operation: 79-51=28 Exploring Operation: 57-51=6, Resulting Numbers: [79, 10, 6] Generated Node #0,1: 75:[79, 10, 6] Operation: 57-51=6 Moving to Node #0,1 Current State: 75:[79, 10, 6], Operations: ['57-51=6'] Exploring Operation: 10+6=16, Resulting Numbers: [79, 16] Generated Node #0,1,0: 75:[79, 16] Operation: 10+6=16 Exploring Operation: 10-6=4, Resulting Numbers: [79, 4] Generated Node #0,1,1: 75:[79, 4] Operation: 10-6=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[79, 16], Operations: ['57-51=6', '10+6=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,75 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[79, 4], Operations: ['57-51=6', '10-6=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[79, 10, 57, 51], Operations: [] Exploring Operation: 57-51=6, Resulting Numbers: [79, 10, 6] Generated Node #0,1: 75:[79, 10, 6] Operation: 57-51=6 Moving to Node #0,1 Current State: 75:[79, 10, 6], Operations: ['57-51=6'] Exploring Operation: 10-6=4, Resulting Numbers: [79, 4] Generated Node #0,1,1: 75:[79, 4] Operation: 10-6=4 Moving to Node #0,1,1 Current State: 75:[79, 4], Operations: ['57-51=6', '10-6=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 3, 88, 99, 96 ]
23
[ "99+96=195", "195/3=65", "88-65=23" ]
Current State: 23:[3, 88, 99, 96], Operations: [] Exploring Operation: 99+96=195, Resulting Numbers: [3, 88, 195] Generated Node #2: [3, 88, 195] from Operation: 99+96=195 Current State: 23:[3, 88, 195], Operations: ['99+96=195'] Exploring Operation: 195/3=65, Resulting Numbers: [88, 65] Generated Node #3: [88, 65] from Operation: 195/3=65 Current State: 23:[88, 65], Operations: ['99+96=195', '195/3=65'] Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[3, 88, 99, 96], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [3, 88, 3] Generated Node #0,0: 23:[3, 88, 3] Operation: 99-96=3 Exploring Operation: 99-88=11, Resulting Numbers: [3, 96, 11] Generated Node #0,1: 23:[3, 96, 11] Operation: 99-88=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[3, 88, 3], Operations: ['99-96=3'] Exploring Operation: 88-3=85, Resulting Numbers: [3, 85] Generated Node #0,0,0: 23:[3, 85] Operation: 88-3=85 Exploring Operation: 3*3=9, Resulting Numbers: [88, 9] Generated Node #0,0,1: 23:[88, 9] Operation: 3*3=9 Moving to Node #0,0,1 Current State: 23:[88, 9], Operations: ['99-96=3', '3*3=9'] Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,23 unequal: No Solution Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[3, 85], Operations: ['99-96=3', '88-3=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[3, 96, 11], Operations: ['99-88=11'] Exploring Operation: 96/3=32, Resulting Numbers: [11, 32] Generated Node #0,1,0: 23:[11, 32] Operation: 96/3=32 Exploring Operation: 96-3=93, Resulting Numbers: [11, 93] Generated Node #0,1,1: 23:[11, 93] Operation: 96-3=93 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[11, 32], Operations: ['99-88=11', '96/3=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[11, 93], Operations: ['99-88=11', '96-3=93'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 11+93=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 66, 75, 25, 69 ]
25
[ "66*25=1650", "75+1650=1725", "1725/69=25" ]
Current State: 25:[66, 75, 25, 69], Operations: [] Exploring Operation: 66*25=1650, Resulting Numbers: [75, 69, 1650] Generated Node #2: [75, 69, 1650] from Operation: 66*25=1650 Current State: 25:[75, 69, 1650], Operations: ['66*25=1650'] Exploring Operation: 75+1650=1725, Resulting Numbers: [69, 1725] Generated Node #3: [69, 1725] from Operation: 75+1650=1725 Current State: 25:[69, 1725], Operations: ['66*25=1650', '75+1650=1725'] Exploring Operation: 1725/69=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[66, 75, 25, 69], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [75, 25, 3] Generated Node #0,0: 25:[75, 25, 3] Operation: 69-66=3 Exploring Operation: 75-66=9, Resulting Numbers: [25, 69, 9] Generated Node #0,1: 25:[25, 69, 9] Operation: 75-66=9 Exploring Operation: 75-69=6, Resulting Numbers: [66, 25, 6] Generated Node #0,2: 25:[66, 25, 6] Operation: 75-69=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[66, 25, 6], Operations: ['75-69=6'] Exploring Operation: 66/6=11, Resulting Numbers: [25, 11] Generated Node #0,2,0: 25:[25, 11] Operation: 66/6=11 Exploring Operation: 66-25=41, Resulting Numbers: [6, 41] Generated Node #0,2,1: 25:[6, 41] Operation: 66-25=41 Exploring Operation: 66-6=60, Resulting Numbers: [25, 60] Generated Node #0,2,2: 25:[25, 60] Operation: 66-6=60 Moving to Node #0,2,0 Current State: 25:[25, 11], Operations: ['75-69=6', '66/6=11'] Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,25 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[6, 41], Operations: ['75-69=6', '66-25=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,25 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[25, 60], Operations: ['75-69=6', '66-6=60'] Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,25 unequal: No Solution Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,25 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 #0,1 Current State: 25:[25, 69, 9], Operations: ['75-66=9'] Exploring Operation: 69-25=44, Resulting Numbers: [9, 44] Generated Node #0,1,0: 25:[9, 44] Operation: 69-25=44 Exploring Operation: 69-9=60, Resulting Numbers: [25, 60] Generated Node #0,1,1: 25:[25, 60] Operation: 69-9=60 Exploring Operation: 25+9=34, Resulting Numbers: [69, 34] Generated Node #0,1,2: 25:[69, 34] Operation: 25+9=34 Moving to Node #0,1,0 Current State: 25:[9, 44], Operations: ['75-66=9', '69-25=44'] Exploring Operation: 9*44=396, Resulting Numbers: [396] 396,25 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[25, 60], Operations: ['75-66=9', '69-9=60'] Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,25 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[69, 34], Operations: ['75-66=9', '25+9=34'] Exploring Operation: 69+34=103, Resulting Numbers: [103] 103,25 unequal: No Solution Exploring Operation: 69*34=2346, Resulting Numbers: [2346] 2346,25 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,25 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 Current State: 25:[75, 25, 3], Operations: ['69-66=3'] Exploring Operation: 75/25=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 25:[3, 3] Operation: 75/25=3 Exploring Operation: 75-25=50, Resulting Numbers: [3, 50] Generated Node #0,0,1: 25:[3, 50] Operation: 75-25=50 Exploring Operation: 75/3=25, Resulting Numbers: [25, 25] Generated Node #0,0,2: 25:[25, 25] Operation: 75/3=25 Moving to Node #0,0,2 Current State: 25:[25, 25], Operations: ['69-66=3', '75/3=25'] Exploring Operation: 25/25=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 25+25=50, Resulting Numbers: [50] 50,25 unequal: No Solution Exploring Operation: 25-25=0, Resulting Numbers: [0] 0,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[3, 3], Operations: ['69-66=3', '75/25=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[3, 50], Operations: ['69-66=3', '75-25=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,25 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,25 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
[ 8, 71, 46, 15 ]
32
[ "71-8=63", "46-15=31", "63-31=32" ]
Current State: 32:[8, 71, 46, 15], Operations: [] Exploring Operation: 71-8=63, Resulting Numbers: [46, 15, 63] Generated Node #2: [46, 15, 63] from Operation: 71-8=63 Current State: 32:[46, 15, 63], Operations: ['71-8=63'] Exploring Operation: 46-15=31, Resulting Numbers: [63, 31] Generated Node #3: [63, 31] from Operation: 46-15=31 Current State: 32:[63, 31], Operations: ['71-8=63', '46-15=31'] Exploring Operation: 63-31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[8, 71, 46, 15], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [8, 15, 25] Generated Node #0,0: 32:[8, 15, 25] Operation: 71-46=25 Moving to Node #0,0 Current State: 32:[8, 15, 25], Operations: ['71-46=25'] Exploring Operation: 8+25=33, Resulting Numbers: [15, 33] Generated Node #0,0,0: 32:[15, 33] Operation: 8+25=33 Moving to Node #0,0,0 Current State: 32:[15, 33], Operations: ['71-46=25', '8+25=33'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,32 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 68, 48, 86, 16 ]
54
[ "86-68=18", "48/16=3", "18*3=54" ]
Current State: 54:[68, 48, 86, 16], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [48, 16, 18] Generated Node #2: [48, 16, 18] from Operation: 86-68=18 Current State: 54:[48, 16, 18], Operations: ['86-68=18'] Exploring Operation: 48/16=3, Resulting Numbers: [18, 3] Generated Node #3: [18, 3] from Operation: 48/16=3 Current State: 54:[18, 3], Operations: ['86-68=18', '48/16=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[68, 48, 86, 16], Operations: [] Exploring Operation: 86-48=38, Resulting Numbers: [68, 16, 38] Generated Node #0,0: 54:[68, 16, 38] Operation: 86-48=38 Exploring Operation: 86-16=70, Resulting Numbers: [68, 48, 70] Generated Node #0,1: 54:[68, 48, 70] Operation: 86-16=70 Exploring Operation: 68-16=52, Resulting Numbers: [48, 86, 52] Generated Node #0,2: 54:[48, 86, 52] Operation: 68-16=52 Exploring Operation: 86-68=18, Resulting Numbers: [48, 16, 18] Generated Node #0,3: 54:[48, 16, 18] Operation: 86-68=18 Exploring Operation: 68-48=20, Resulting Numbers: [86, 16, 20] Generated Node #0,4: 54:[86, 16, 20] Operation: 68-48=20 Moving to Node #0,3 Current State: 54:[48, 16, 18], Operations: ['86-68=18'] Exploring Operation: 48-16=32, Resulting Numbers: [18, 32] Generated Node #0,3,0: 54:[18, 32] Operation: 48-16=32 Exploring Operation: 48-18=30, Resulting Numbers: [16, 30] Generated Node #0,3,1: 54:[16, 30] Operation: 48-18=30 Exploring Operation: 48+16=64, Resulting Numbers: [18, 64] Generated Node #0,3,2: 54:[18, 64] Operation: 48+16=64 Exploring Operation: 48/16=3, Resulting Numbers: [18, 3] Generated Node #0,3,3: 54:[18, 3] Operation: 48/16=3 Exploring Operation: 18-16=2, Resulting Numbers: [48, 2] Generated Node #0,3,4: 54:[48, 2] Operation: 18-16=2 Moving to Node #0,0 Current State: 54:[68, 16, 38], Operations: ['86-48=38'] Exploring Operation: 38-16=22, Resulting Numbers: [68, 22] Generated Node #0,0,0: 54:[68, 22] Operation: 38-16=22 Exploring Operation: 68-38=30, Resulting Numbers: [16, 30] Generated Node #0,0,1: 54:[16, 30] Operation: 68-38=30 Exploring Operation: 16+38=54, Resulting Numbers: [68, 54] Generated Node #0,0,2: 54:[68, 54] Operation: 16+38=54 Exploring Operation: 68+16=84, Resulting Numbers: [38, 84] Generated Node #0,0,3: 54:[38, 84] Operation: 68+16=84 Exploring Operation: 68-16=52, Resulting Numbers: [38, 52] Generated Node #0,0,4: 54:[38, 52] Operation: 68-16=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[16, 30], Operations: ['86-48=38', '68-38=30'] Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,54 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 54:[38, 52], Operations: ['86-48=38', '68-16=52'] Exploring Operation: 38+52=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 38*52=1976, Resulting Numbers: [1976] 1976,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[68, 54], Operations: ['86-48=38', '16+38=54'] Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,54 unequal: No Solution Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,54 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[68, 22], Operations: ['86-48=38', '38-16=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,54 unequal: No Solution Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 54:[38, 84], Operations: ['86-48=38', '68+16=84'] Exploring Operation: 38+84=122, Resulting Numbers: [122] 122,54 unequal: No Solution Exploring Operation: 38*84=3192, Resulting Numbers: [3192] 3192,54 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,54 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: 54:[68, 48, 70], Operations: ['86-16=70'] Exploring Operation: 68-48=20, Resulting Numbers: [70, 20] Generated Node #0,1,0: 54:[70, 20] Operation: 68-48=20 Exploring Operation: 70-48=22, Resulting Numbers: [68, 22] Generated Node #0,1,1: 54:[68, 22] Operation: 70-48=22 Exploring Operation: 68+48=116, Resulting Numbers: [70, 116] Generated Node #0,1,2: 54:[70, 116] Operation: 68+48=116 Exploring Operation: 48+70=118, Resulting Numbers: [68, 118] Generated Node #0,1,3: 54:[68, 118] Operation: 48+70=118 Exploring Operation: 70-68=2, Resulting Numbers: [48, 2] Generated Node #0,1,4: 54:[48, 2] Operation: 70-68=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 54:[48, 2], Operations: ['86-16=70', '70-68=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 54:[70, 20], Operations: ['86-16=70', '68-48=20'] Exploring Operation: 70+20=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 70*20=1400, Resulting Numbers: [1400] 1400,54 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 54:[68, 22], Operations: ['86-16=70', '70-48=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[70, 116], Operations: ['86-16=70', '68+48=116'] Exploring Operation: 116-70=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 70*116=8120, Resulting Numbers: [8120] 8120,54 unequal: No Solution Exploring Operation: 70+116=186, Resulting Numbers: [186] 186,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 54:[68, 118], Operations: ['86-16=70', '48+70=118'] Exploring Operation: 118-68=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 68*118=8024, Resulting Numbers: [8024] 8024,54 unequal: No Solution Exploring Operation: 68+118=186, Resulting Numbers: [186] 186,54 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: 54:[86, 16, 20], Operations: ['68-48=20'] Exploring Operation: 86-16=70, Resulting Numbers: [20, 70] Generated Node #0,4,0: 54:[20, 70] Operation: 86-16=70 Exploring Operation: 86-20=66, Resulting Numbers: [16, 66] Generated Node #0,4,1: 54:[16, 66] Operation: 86-20=66 Exploring Operation: 86+16=102, Resulting Numbers: [20, 102] Generated Node #0,4,2: 54:[20, 102] Operation: 86+16=102 Exploring Operation: 16+20=36, Resulting Numbers: [86, 36] Generated Node #0,4,3: 54:[86, 36] Operation: 16+20=36 Exploring Operation: 20-16=4, Resulting Numbers: [86, 4] Generated Node #0,4,4: 54:[86, 4] Operation: 20-16=4 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 54:[16, 66], Operations: ['68-48=20', '86-20=66'] Exploring Operation: 16+66=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 16*66=1056, Resulting Numbers: [1056] 1056,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 54:[20, 70], Operations: ['68-48=20', '86-16=70'] Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 20*70=1400, Resulting Numbers: [1400] 1400,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 54:[86, 4], Operations: ['68-48=20', '20-16=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 86*4=344, Resulting Numbers: [344] 344,54 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 54:[86, 36], Operations: ['68-48=20', '16+20=36'] Exploring Operation: 86*36=3096, Resulting Numbers: [3096] 3096,54 unequal: No Solution Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,54 unequal: No Solution Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 54:[20, 102], Operations: ['68-48=20', '86+16=102'] Exploring Operation: 20*102=2040, Resulting Numbers: [2040] 2040,54 unequal: No Solution Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 20+102=122, Resulting Numbers: [122] 122,54 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: 54:[48, 86, 52], Operations: ['68-16=52'] Exploring Operation: 86-48=38, Resulting Numbers: [52, 38] Generated Node #0,2,0: 54:[52, 38] Operation: 86-48=38 Exploring Operation: 48+52=100, Resulting Numbers: [86, 100] Generated Node #0,2,1: 54:[86, 100] Operation: 48+52=100 Exploring Operation: 48+86=134, Resulting Numbers: [52, 134] Generated Node #0,2,2: 54:[52, 134] Operation: 48+86=134 Exploring Operation: 52-48=4, Resulting Numbers: [86, 4] Generated Node #0,2,3: 54:[86, 4] Operation: 52-48=4 Exploring Operation: 86-52=34, Resulting Numbers: [48, 34] Generated Node #0,2,4: 54:[48, 34] Operation: 86-52=34 Moving to Node #0,3,3 Current State: 54:[18, 3], Operations: ['86-68=18', '48/16=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[68, 48, 86, 16], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [48, 16, 18] Generated Node #0,3: 54:[48, 16, 18] Operation: 86-68=18 Moving to Node #0,3 Current State: 54:[48, 16, 18], Operations: ['86-68=18'] Exploring Operation: 48/16=3, Resulting Numbers: [18, 3] Generated Node #0,3,3: 54:[18, 3] Operation: 48/16=3 Moving to Node #0,3,3 Current State: 54:[18, 3], Operations: ['86-68=18', '48/16=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.929688
hs_5
mult_heuristic
[ 5, 21, 12, 1 ]
39
[ "5+21=26", "12+1=13", "26+13=39" ]
Current State: 39:[5, 21, 12, 1], Operations: [] Exploring Operation: 5+21=26, Resulting Numbers: [12, 1, 26] Generated Node #2: [12, 1, 26] from Operation: 5+21=26 Current State: 39:[12, 1, 26], Operations: ['5+21=26'] Exploring Operation: 12+1=13, Resulting Numbers: [26, 13] Generated Node #3: [26, 13] from Operation: 12+1=13 Current State: 39:[26, 13], Operations: ['5+21=26', '12+1=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[5, 21, 12, 1], Operations: [] Exploring Operation: 21-5=16, Resulting Numbers: [12, 1, 16] Generated Node #0,0: 39:[12, 1, 16] Operation: 21-5=16 Exploring Operation: 21-12=9, Resulting Numbers: [5, 1, 9] Generated Node #0,1: 39:[5, 1, 9] Operation: 21-12=9 Moving to Node #0,0 Current State: 39:[12, 1, 16], Operations: ['21-5=16'] Exploring Operation: 16-12=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 39:[1, 4] Operation: 16-12=4 Exploring Operation: 12+1=13, Resulting Numbers: [16, 13] Generated Node #0,0,1: 39:[16, 13] Operation: 12+1=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[1, 4], Operations: ['21-5=16', '16-12=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[16, 13], Operations: ['21-5=16', '12+1=13'] Exploring Operation: 16+13=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,39 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: 39:[5, 1, 9], Operations: ['21-12=9'] Exploring Operation: 5+9=14, Resulting Numbers: [1, 14] Generated Node #0,1,0: 39:[1, 14] Operation: 5+9=14 Exploring Operation: 9-5=4, Resulting Numbers: [1, 4] Generated Node #0,1,1: 39:[1, 4] Operation: 9-5=4 Moving to Node #0,1,0 Current State: 39:[1, 14], Operations: ['21-12=9', '5+9=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[1, 4], Operations: ['21-12=9', '9-5=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 17, 65, 74, 62 ]
73
[ "74+62=136", "136/17=8", "65+8=73" ]
Current State: 73:[17, 65, 74, 62], Operations: [] Exploring Operation: 74+62=136, Resulting Numbers: [17, 65, 136] Generated Node #2: [17, 65, 136] from Operation: 74+62=136 Current State: 73:[17, 65, 136], Operations: ['74+62=136'] Exploring Operation: 136/17=8, Resulting Numbers: [65, 8] Generated Node #3: [65, 8] from Operation: 136/17=8 Current State: 73:[65, 8], Operations: ['74+62=136', '136/17=8'] Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[17, 65, 74, 62], Operations: [] Exploring Operation: 74-17=57, Resulting Numbers: [65, 62, 57] Generated Node #0,0: 73:[65, 62, 57] Operation: 74-17=57 Exploring Operation: 17+62=79, Resulting Numbers: [65, 74, 79] Generated Node #0,1: 73:[65, 74, 79] Operation: 17+62=79 Exploring Operation: 17+65=82, Resulting Numbers: [74, 62, 82] Generated Node #0,2: 73:[74, 62, 82] Operation: 17+65=82 Exploring Operation: 65-17=48, Resulting Numbers: [74, 62, 48] Generated Node #0,3: 73:[74, 62, 48] Operation: 65-17=48 Moving to Node #0,1 Current State: 73:[65, 74, 79], Operations: ['17+62=79'] Exploring Operation: 65+79=144, Resulting Numbers: [74, 144] Generated Node #0,1,0: 73:[74, 144] Operation: 65+79=144 Exploring Operation: 74-65=9, Resulting Numbers: [79, 9] Generated Node #0,1,1: 73:[79, 9] Operation: 74-65=9 Exploring Operation: 79-65=14, Resulting Numbers: [74, 14] Generated Node #0,1,2: 73:[74, 14] Operation: 79-65=14 Exploring Operation: 65+74=139, Resulting Numbers: [79, 139] Generated Node #0,1,3: 73:[79, 139] Operation: 65+74=139 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[74, 14], Operations: ['17+62=79', '79-65=14'] Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,73 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[79, 9], Operations: ['17+62=79', '74-65=9'] Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 79*9=711, Resulting Numbers: [711] 711,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[74, 144], Operations: ['17+62=79', '65+79=144'] Exploring Operation: 144-74=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 74+144=218, Resulting Numbers: [218] 218,73 unequal: No Solution Exploring Operation: 74*144=10656, Resulting Numbers: [10656] 10656,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 73:[79, 139], Operations: ['17+62=79', '65+74=139'] Exploring Operation: 139-79=60, Resulting Numbers: [60] 60,73 unequal: No Solution Exploring Operation: 79*139=10981, Resulting Numbers: [10981] 10981,73 unequal: No Solution Exploring Operation: 79+139=218, Resulting Numbers: [218] 218,73 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: 73:[74, 62, 82], Operations: ['17+65=82'] Exploring Operation: 74-62=12, Resulting Numbers: [82, 12] Generated Node #0,2,0: 73:[82, 12] Operation: 74-62=12 Exploring Operation: 74+62=136, Resulting Numbers: [82, 136] Generated Node #0,2,1: 73:[82, 136] Operation: 74+62=136 Exploring Operation: 82-62=20, Resulting Numbers: [74, 20] Generated Node #0,2,2: 73:[74, 20] Operation: 82-62=20 Exploring Operation: 62+82=144, Resulting Numbers: [74, 144] Generated Node #0,2,3: 73:[74, 144] Operation: 62+82=144 Moving to Node #0,0 Current State: 73:[65, 62, 57], Operations: ['74-17=57'] Exploring Operation: 65+57=122, Resulting Numbers: [62, 122] Generated Node #0,0,0: 73:[62, 122] Operation: 65+57=122 Exploring Operation: 62+57=119, Resulting Numbers: [65, 119] Generated Node #0,0,1: 73:[65, 119] Operation: 62+57=119 Exploring Operation: 65-57=8, Resulting Numbers: [62, 8] Generated Node #0,0,2: 73:[62, 8] Operation: 65-57=8 Exploring Operation: 65+62=127, Resulting Numbers: [57, 127] Generated Node #0,0,3: 73:[57, 127] Operation: 65+62=127 Moving to Node #0,3 Current State: 73:[74, 62, 48], Operations: ['65-17=48'] Exploring Operation: 74-48=26, Resulting Numbers: [62, 26] Generated Node #0,3,0: 73:[62, 26] Operation: 74-48=26 Exploring Operation: 62-48=14, Resulting Numbers: [74, 14] Generated Node #0,3,1: 73:[74, 14] Operation: 62-48=14 Exploring Operation: 74+48=122, Resulting Numbers: [62, 122] Generated Node #0,3,2: 73:[62, 122] Operation: 74+48=122 Exploring Operation: 62+48=110, Resulting Numbers: [74, 110] Generated Node #0,3,3: 73:[74, 110] Operation: 62+48=110 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[74, 110], Operations: ['65-17=48', '62+48=110'] Exploring Operation: 74*110=8140, Resulting Numbers: [8140] 8140,73 unequal: No Solution Exploring Operation: 74+110=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 110-74=36, Resulting Numbers: [36] 36,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[62, 26], Operations: ['65-17=48', '74-48=26'] Exploring Operation: 62+26=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 62*26=1612, Resulting Numbers: [1612] 1612,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[74, 14], Operations: ['65-17=48', '62-48=14'] Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,73 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,73 unequal: No Solution Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[62, 122], Operations: ['65-17=48', '74+48=122'] Exploring Operation: 122-62=60, Resulting Numbers: [60] 60,73 unequal: No Solution Exploring Operation: 62+122=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 62*122=7564, Resulting Numbers: [7564] 7564,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 73:[74, 20], Operations: ['17+65=82', '82-62=20'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,73 unequal: No Solution Exploring Operation: 74*20=1480, Resulting Numbers: [1480] 1480,73 unequal: No Solution Exploring Operation: 74+20=94, Resulting Numbers: [94] 94,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[65, 119], Operations: ['74-17=57', '62+57=119'] Exploring Operation: 119-65=54, Resulting Numbers: [54] 54,73 unequal: No Solution Exploring Operation: 65+119=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 65*119=7735, Resulting Numbers: [7735] 7735,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[62, 122], Operations: ['74-17=57', '65+57=122'] Exploring Operation: 122-62=60, Resulting Numbers: [60] 60,73 unequal: No Solution Exploring Operation: 62*122=7564, Resulting Numbers: [7564] 7564,73 unequal: No Solution Exploring Operation: 62+122=184, Resulting Numbers: [184] 184,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[57, 127], Operations: ['74-17=57', '65+62=127'] Exploring Operation: 57+127=184, Resulting Numbers: [184] 184,73 unequal: No Solution Exploring Operation: 57*127=7239, Resulting Numbers: [7239] 7239,73 unequal: No Solution Exploring Operation: 127-57=70, Resulting Numbers: [70] 70,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[82, 12], Operations: ['17+65=82', '74-62=12'] Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,73 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[82, 136], Operations: ['17+65=82', '74+62=136'] Exploring Operation: 82+136=218, Resulting Numbers: [218] 218,73 unequal: No Solution Exploring Operation: 136-82=54, Resulting Numbers: [54] 54,73 unequal: No Solution Exploring Operation: 82*136=11152, Resulting Numbers: [11152] 11152,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[74, 144], Operations: ['17+65=82', '62+82=144'] Exploring Operation: 74*144=10656, Resulting Numbers: [10656] 10656,73 unequal: No Solution Exploring Operation: 74+144=218, Resulting Numbers: [218] 218,73 unequal: No Solution Exploring Operation: 144-74=70, Resulting Numbers: [70] 70,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[62, 8], Operations: ['74-17=57', '65-57=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,73 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,73 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 4, 9, 79, 60 ]
14
[ "9-4=5", "79-60=19", "19-5=14" ]
Current State: 14:[4, 9, 79, 60], Operations: [] Exploring Operation: 9-4=5, Resulting Numbers: [79, 60, 5] Generated Node #2: [79, 60, 5] from Operation: 9-4=5 Current State: 14:[79, 60, 5], Operations: ['9-4=5'] Exploring Operation: 79-60=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 79-60=19 Current State: 14:[5, 19], Operations: ['9-4=5', '79-60=19'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[4, 9, 79, 60], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [4, 79, 51] Generated Node #0,0: 14:[4, 79, 51] Operation: 60-9=51 Exploring Operation: 60/4=15, Resulting Numbers: [9, 79, 15] Generated Node #0,1: 14:[9, 79, 15] Operation: 60/4=15 Exploring Operation: 79-60=19, Resulting Numbers: [4, 9, 19] Generated Node #0,2: 14:[4, 9, 19] Operation: 79-60=19 Exploring Operation: 79-9=70, Resulting Numbers: [4, 60, 70] Generated Node #0,3: 14:[4, 60, 70] Operation: 79-9=70 Moving to Node #0,2 Current State: 14:[4, 9, 19], Operations: ['79-60=19'] Exploring Operation: 4+9=13, Resulting Numbers: [19, 13] Generated Node #0,2,0: 14:[19, 13] Operation: 4+9=13 Exploring Operation: 9-4=5, Resulting Numbers: [19, 5] Generated Node #0,2,1: 14:[19, 5] Operation: 9-4=5 Exploring Operation: 19-4=15, Resulting Numbers: [9, 15] Generated Node #0,2,2: 14:[9, 15] Operation: 19-4=15 Exploring Operation: 19-9=10, Resulting Numbers: [4, 10] Generated Node #0,2,3: 14:[4, 10] Operation: 19-9=10 Moving to Node #0,1 Current State: 14:[9, 79, 15], Operations: ['60/4=15'] Exploring Operation: 79-15=64, Resulting Numbers: [9, 64] Generated Node #0,1,0: 14:[9, 64] Operation: 79-15=64 Exploring Operation: 15-9=6, Resulting Numbers: [79, 6] Generated Node #0,1,1: 14:[79, 6] Operation: 15-9=6 Exploring Operation: 9+79=88, Resulting Numbers: [15, 88] Generated Node #0,1,2: 14:[15, 88] Operation: 9+79=88 Exploring Operation: 79-9=70, Resulting Numbers: [15, 70] Generated Node #0,1,3: 14:[15, 70] Operation: 79-9=70 Moving to Node #0,3 Current State: 14:[4, 60, 70], Operations: ['79-9=70'] Exploring Operation: 70-60=10, Resulting Numbers: [4, 10] Generated Node #0,3,0: 14:[4, 10] Operation: 70-60=10 Exploring Operation: 60-4=56, Resulting Numbers: [70, 56] Generated Node #0,3,1: 14:[70, 56] Operation: 60-4=56 Exploring Operation: 60/4=15, Resulting Numbers: [70, 15] Generated Node #0,3,2: 14:[70, 15] Operation: 60/4=15 Exploring Operation: 70-4=66, Resulting Numbers: [60, 66] Generated Node #0,3,3: 14:[60, 66] Operation: 70-4=66 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 14:[4, 10], Operations: ['79-9=70', '70-60=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,14 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[4, 9, 79, 60], Operations: [] Exploring Operation: 79-9=70, Resulting Numbers: [4, 60, 70] Generated Node #0,3: 14:[4, 60, 70] Operation: 79-9=70 Moving to Node #0,3 Current State: 14:[4, 60, 70], Operations: ['79-9=70'] Exploring Operation: 70-60=10, Resulting Numbers: [4, 10] Generated Node #0,3,0: 14:[4, 10] Operation: 70-60=10 Moving to Node #0,3,0 Current State: 14:[4, 10], Operations: ['79-9=70', '70-60=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 47, 32, 77, 26 ]
13
[ "47+32=79", "79-77=2", "26/2=13" ]
Current State: 13:[47, 32, 77, 26], Operations: [] Exploring Operation: 47+32=79, Resulting Numbers: [77, 26, 79] Generated Node #2: [77, 26, 79] from Operation: 47+32=79 Current State: 13:[77, 26, 79], Operations: ['47+32=79'] Exploring Operation: 79-77=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 79-77=2 Current State: 13:[26, 2], Operations: ['47+32=79', '79-77=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[47, 32, 77, 26], Operations: [] Exploring Operation: 77-26=51, Resulting Numbers: [47, 32, 51] Generated Node #0,0: 13:[47, 32, 51] Operation: 77-26=51 Exploring Operation: 47-32=15, Resulting Numbers: [77, 26, 15] Generated Node #0,1: 13:[77, 26, 15] Operation: 47-32=15 Exploring Operation: 47-26=21, Resulting Numbers: [32, 77, 21] Generated Node #0,2: 13:[32, 77, 21] Operation: 47-26=21 Exploring Operation: 77-32=45, Resulting Numbers: [47, 26, 45] Generated Node #0,3: 13:[47, 26, 45] Operation: 77-32=45 Exploring Operation: 77-47=30, Resulting Numbers: [32, 26, 30] Generated Node #0,4: 13:[32, 26, 30] Operation: 77-47=30 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[32, 26, 30], Operations: ['77-47=30'] Exploring Operation: 32-26=6, Resulting Numbers: [30, 6] Generated Node #0,4,0: 13:[30, 6] Operation: 32-26=6 Exploring Operation: 30-26=4, Resulting Numbers: [32, 4] Generated Node #0,4,1: 13:[32, 4] Operation: 30-26=4 Exploring Operation: 32-30=2, Resulting Numbers: [26, 2] Generated Node #0,4,2: 13:[26, 2] Operation: 32-30=2 Exploring Operation: 32+26=58, Resulting Numbers: [30, 58] Generated Node #0,4,3: 13:[30, 58] Operation: 32+26=58 Exploring Operation: 32+30=62, Resulting Numbers: [26, 62] Generated Node #0,4,4: 13:[26, 62] Operation: 32+30=62 Moving to Node #0,4,0 Current State: 13:[30, 6], Operations: ['77-47=30', '32-26=6'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,13 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,13 unequal: No Solution Moving to Node #0,4,2 Current State: 13:[26, 2], Operations: ['77-47=30', '32-30=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[47, 32, 77, 26], Operations: [] Exploring Operation: 77-47=30, Resulting Numbers: [32, 26, 30] Generated Node #0,4: 13:[32, 26, 30] Operation: 77-47=30 Moving to Node #0,4 Current State: 13:[32, 26, 30], Operations: ['77-47=30'] Exploring Operation: 32-30=2, Resulting Numbers: [26, 2] Generated Node #0,4,2: 13:[26, 2] Operation: 32-30=2 Moving to Node #0,4,2 Current State: 13:[26, 2], Operations: ['77-47=30', '32-30=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 84, 33, 3, 96 ]
91
[ "84/3=28", "96-33=63", "28+63=91" ]
Current State: 91:[84, 33, 3, 96], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [33, 96, 28] Generated Node #2: [33, 96, 28] from Operation: 84/3=28 Current State: 91:[33, 96, 28], Operations: ['84/3=28'] Exploring Operation: 96-33=63, Resulting Numbers: [28, 63] Generated Node #3: [28, 63] from Operation: 96-33=63 Current State: 91:[28, 63], Operations: ['84/3=28', '96-33=63'] Exploring Operation: 28+63=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[84, 33, 3, 96], Operations: [] Exploring Operation: 33*3=99, Resulting Numbers: [84, 96, 99] Generated Node #0,0: 91:[84, 96, 99] Operation: 33*3=99 Exploring Operation: 33-3=30, Resulting Numbers: [84, 96, 30] Generated Node #0,1: 91:[84, 96, 30] Operation: 33-3=30 Exploring Operation: 96-84=12, Resulting Numbers: [33, 3, 12] Generated Node #0,2: 91:[33, 3, 12] Operation: 96-84=12 Exploring Operation: 33/3=11, Resulting Numbers: [84, 96, 11] Generated Node #0,3: 91:[84, 96, 11] Operation: 33/3=11 Exploring Operation: 84+3=87, Resulting Numbers: [33, 96, 87] Generated Node #0,4: 91:[33, 96, 87] Operation: 84+3=87 Moving to Node #0,3 Current State: 91:[84, 96, 11], Operations: ['33/3=11'] Exploring Operation: 84-11=73, Resulting Numbers: [96, 73] Generated Node #0,3,0: 91:[96, 73] Operation: 84-11=73 Exploring Operation: 96-84=12, Resulting Numbers: [11, 12] Generated Node #0,3,1: 91:[11, 12] Operation: 96-84=12 Exploring Operation: 96+11=107, Resulting Numbers: [84, 107] Generated Node #0,3,2: 91:[84, 107] Operation: 96+11=107 Exploring Operation: 84+11=95, Resulting Numbers: [96, 95] Generated Node #0,3,3: 91:[96, 95] Operation: 84+11=95 Exploring Operation: 96-11=85, Resulting Numbers: [84, 85] Generated Node #0,3,4: 91:[84, 85] Operation: 96-11=85 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[11, 12], Operations: ['33/3=11', '96-84=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,91 unequal: No Solution No 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: 91:[96, 95], Operations: ['33/3=11', '84+11=95'] Exploring Operation: 96*95=9120, Resulting Numbers: [9120] 9120,91 unequal: No Solution Exploring Operation: 96-95=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 96+95=191, Resulting Numbers: [191] 191,91 unequal: No Solution No 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: 91:[84, 85], Operations: ['33/3=11', '96-11=85'] Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,91 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,91 unequal: No Solution No 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: 91:[96, 73], Operations: ['33/3=11', '84-11=73'] Exploring Operation: 96+73=169, Resulting Numbers: [169] 169,91 unequal: No Solution Exploring Operation: 96-73=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 96*73=7008, Resulting Numbers: [7008] 7008,91 unequal: No Solution No 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: 91:[84, 107], Operations: ['33/3=11', '96+11=107'] Exploring Operation: 84+107=191, Resulting Numbers: [191] 191,91 unequal: No Solution Exploring Operation: 107-84=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 84*107=8988, Resulting Numbers: [8988] 8988,91 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: 91:[84, 96, 99], Operations: ['33*3=99'] Exploring Operation: 84+96=180, Resulting Numbers: [99, 180] Generated Node #0,0,0: 91:[99, 180] Operation: 84+96=180 Exploring Operation: 99-84=15, Resulting Numbers: [96, 15] Generated Node #0,0,1: 91:[96, 15] Operation: 99-84=15 Exploring Operation: 96-84=12, Resulting Numbers: [99, 12] Generated Node #0,0,2: 91:[99, 12] Operation: 96-84=12 Exploring Operation: 84+99=183, Resulting Numbers: [96, 183] Generated Node #0,0,3: 91:[96, 183] Operation: 84+99=183 Exploring Operation: 99-96=3, Resulting Numbers: [84, 3] Generated Node #0,0,4: 91:[84, 3] Operation: 99-96=3 Moving to Node #0,2 Current State: 91:[33, 3, 12], Operations: ['96-84=12'] Exploring Operation: 33-12=21, Resulting Numbers: [3, 21] Generated Node #0,2,0: 91:[3, 21] Operation: 33-12=21 Exploring Operation: 3+12=15, Resulting Numbers: [33, 15] Generated Node #0,2,1: 91:[33, 15] Operation: 3+12=15 Exploring Operation: 33-3=30, Resulting Numbers: [12, 30] Generated Node #0,2,2: 91:[12, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [12, 11] Generated Node #0,2,3: 91:[12, 11] Operation: 33/3=11 Exploring Operation: 33*3=99, Resulting Numbers: [12, 99] Generated Node #0,2,4: 91:[12, 99] Operation: 33*3=99 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[12, 11], Operations: ['96-84=12', '33/3=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,91 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,91 unequal: No Solution No 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: 91:[12, 99], Operations: ['96-84=12', '33*3=99'] Exploring Operation: 99-12=87, Resulting Numbers: [87] 87,91 unequal: No Solution Exploring Operation: 12+99=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 12*99=1188, Resulting Numbers: [1188] 1188,91 unequal: No Solution No 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: 91:[3, 21], Operations: ['96-84=12', '33-12=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,91 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,91 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,91 unequal: No Solution No 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: 91:[12, 30], Operations: ['96-84=12', '33-3=30'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,91 unequal: No Solution Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 12*30=360, Resulting Numbers: [360] 360,91 unequal: No Solution No 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: 91:[33, 15], Operations: ['96-84=12', '3+12=15'] Exploring Operation: 33-15=18, Resulting Numbers: [18] 18,91 unequal: No Solution Exploring Operation: 33+15=48, Resulting Numbers: [48] 48,91 unequal: No Solution Exploring Operation: 33*15=495, Resulting Numbers: [495] 495,91 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: 91:[84, 96, 30], Operations: ['33-3=30'] Exploring Operation: 84+30=114, Resulting Numbers: [96, 114] Generated Node #0,1,0: 91:[96, 114] Operation: 84+30=114 Exploring Operation: 96-84=12, Resulting Numbers: [30, 12] Generated Node #0,1,1: 91:[30, 12] Operation: 96-84=12 Exploring Operation: 84-30=54, Resulting Numbers: [96, 54] Generated Node #0,1,2: 91:[96, 54] Operation: 84-30=54 Exploring Operation: 96+30=126, Resulting Numbers: [84, 126] Generated Node #0,1,3: 91:[84, 126] Operation: 96+30=126 Exploring Operation: 96-30=66, Resulting Numbers: [84, 66] Generated Node #0,1,4: 91:[84, 66] Operation: 96-30=66 Moving to Node #0,4 Current State: 91:[33, 96, 87], Operations: ['84+3=87'] Exploring Operation: 87-33=54, Resulting Numbers: [96, 54] Generated Node #0,4,0: 91:[96, 54] Operation: 87-33=54 Exploring Operation: 33+96=129, Resulting Numbers: [87, 129] Generated Node #0,4,1: 91:[87, 129] Operation: 33+96=129 Exploring Operation: 33+87=120, Resulting Numbers: [96, 120] Generated Node #0,4,2: 91:[96, 120] Operation: 33+87=120 Exploring Operation: 96-33=63, Resulting Numbers: [87, 63] Generated Node #0,4,3: 91:[87, 63] Operation: 96-33=63 Exploring Operation: 96-87=9, Resulting Numbers: [33, 9] Generated Node #0,4,4: 91:[33, 9] Operation: 96-87=9 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 91:[33, 9], Operations: ['84+3=87', '96-87=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,91 unequal: No Solution No 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: 91:[87, 63], Operations: ['84+3=87', '96-33=63'] Exploring Operation: 87*63=5481, Resulting Numbers: [5481] 5481,91 unequal: No Solution Exploring Operation: 87+63=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,91 unequal: No Solution No 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: 91:[96, 120], Operations: ['84+3=87', '33+87=120'] Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,91 unequal: No Solution Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,91 unequal: No Solution Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,91 unequal: No Solution No 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: 91:[96, 54], Operations: ['84+3=87', '87-33=54'] Exploring Operation: 96+54=150, Resulting Numbers: [150] 150,91 unequal: No Solution Exploring Operation: 96*54=5184, Resulting Numbers: [5184] 5184,91 unequal: No Solution Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,91 unequal: No Solution No 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: 91:[87, 129], Operations: ['84+3=87', '33+96=129'] Exploring Operation: 129-87=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 87*129=11223, Resulting Numbers: [11223] 11223,91 unequal: No Solution Exploring Operation: 87+129=216, Resulting Numbers: [216] 216,91 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: 91:[96, 15], Operations: ['33*3=99', '99-84=15'] Exploring Operation: 96-15=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 96*15=1440, Resulting Numbers: [1440] 1440,91 unequal: No Solution Exploring Operation: 96+15=111, Resulting Numbers: [111] 111,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[99, 12], Operations: ['33*3=99', '96-84=12'] Exploring Operation: 99+12=111, Resulting Numbers: [111] 111,91 unequal: No Solution Exploring Operation: 99*12=1188, Resulting Numbers: [1188] 1188,91 unequal: No Solution Exploring Operation: 99-12=87, Resulting Numbers: [87] 87,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[84, 3], Operations: ['33*3=99', '99-96=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,91 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,91 unequal: No Solution Exploring Operation: 84*3=252, Resulting Numbers: [252] 252,91 unequal: No Solution Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[30, 12], Operations: ['33-3=30', '96-84=12'] Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,91 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[96, 114], Operations: ['33-3=30', '84+30=114'] Exploring Operation: 96+114=210, Resulting Numbers: [210] 210,91 unequal: No Solution Exploring Operation: 96*114=10944, Resulting Numbers: [10944] 10944,91 unequal: No Solution Exploring Operation: 114-96=18, Resulting Numbers: [18] 18,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[84, 66], Operations: ['33-3=30', '96-30=66'] Exploring Operation: 84*66=5544, Resulting Numbers: [5544] 5544,91 unequal: No Solution Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,91 unequal: No Solution Exploring Operation: 84+66=150, Resulting Numbers: [150] 150,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[84, 126], Operations: ['33-3=30', '96+30=126'] Exploring Operation: 126-84=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 84*126=10584, Resulting Numbers: [10584] 10584,91 unequal: No Solution Exploring Operation: 84+126=210, Resulting Numbers: [210] 210,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[96, 54], Operations: ['33-3=30', '84-30=54'] Exploring Operation: 96*54=5184, Resulting Numbers: [5184] 5184,91 unequal: No Solution Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 96+54=150, Resulting Numbers: [150] 150,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[99, 180], Operations: ['33*3=99', '84+96=180'] Exploring Operation: 99+180=279, Resulting Numbers: [279] 279,91 unequal: No Solution Exploring Operation: 99*180=17820, Resulting Numbers: [17820] 17820,91 unequal: No Solution Exploring Operation: 180-99=81, Resulting Numbers: [81] 81,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[96, 183], Operations: ['33*3=99', '84+99=183'] Exploring Operation: 96*183=17568, Resulting Numbers: [17568] 17568,91 unequal: No Solution Exploring Operation: 96+183=279, Resulting Numbers: [279] 279,91 unequal: No Solution Exploring Operation: 183-96=87, Resulting Numbers: [87] 87,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 72, 56, 31, 34 ]
80
[ "34-31=3", "72/3=24", "56+24=80" ]
Current State: 80:[72, 56, 31, 34], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [72, 56, 3] Generated Node #2: [72, 56, 3] from Operation: 34-31=3 Current State: 80:[72, 56, 3], Operations: ['34-31=3'] Exploring Operation: 72/3=24, Resulting Numbers: [56, 24] Generated Node #3: [56, 24] from Operation: 72/3=24 Current State: 80:[56, 24], Operations: ['34-31=3', '72/3=24'] Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[72, 56, 31, 34], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [31, 34, 16] Generated Node #0,0: 80:[31, 34, 16] Operation: 72-56=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[31, 34, 16], Operations: ['72-56=16'] Exploring Operation: 34-31=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 80:[16, 3] Operation: 34-31=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[16, 3], Operations: ['72-56=16', '34-31=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,80 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
[ 44, 98, 71, 6 ]
64
[ "71-44=27", "6*27=162", "162-98=64" ]
Current State: 64:[44, 98, 71, 6], Operations: [] Exploring Operation: 71-44=27, Resulting Numbers: [98, 6, 27] Generated Node #2: [98, 6, 27] from Operation: 71-44=27 Current State: 64:[98, 6, 27], Operations: ['71-44=27'] Exploring Operation: 6*27=162, Resulting Numbers: [98, 162] Generated Node #3: [98, 162] from Operation: 6*27=162 Current State: 64:[98, 162], Operations: ['71-44=27', '6*27=162'] Exploring Operation: 162-98=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[44, 98, 71, 6], Operations: [] Exploring Operation: 71-44=27, Resulting Numbers: [98, 6, 27] Generated Node #0,0: 64:[98, 6, 27] Operation: 71-44=27 Exploring Operation: 98-71=27, Resulting Numbers: [44, 6, 27] Generated Node #0,1: 64:[44, 6, 27] Operation: 98-71=27 Exploring Operation: 98-44=54, Resulting Numbers: [71, 6, 54] Generated Node #0,2: 64:[71, 6, 54] Operation: 98-44=54 Exploring Operation: 44-6=38, Resulting Numbers: [98, 71, 38] Generated Node #0,3: 64:[98, 71, 38] Operation: 44-6=38 Moving to Node #0,1 Current State: 64:[44, 6, 27], Operations: ['98-71=27'] Exploring Operation: 6+27=33, Resulting Numbers: [44, 33] Generated Node #0,1,0: 64:[44, 33] Operation: 6+27=33 Exploring Operation: 44-6=38, Resulting Numbers: [27, 38] Generated Node #0,1,1: 64:[27, 38] Operation: 44-6=38 Exploring Operation: 44+27=71, Resulting Numbers: [6, 71] Generated Node #0,1,2: 64:[6, 71] Operation: 44+27=71 Exploring Operation: 44-27=17, Resulting Numbers: [6, 17] Generated Node #0,1,3: 64:[6, 17] Operation: 44-27=17 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[6, 17], Operations: ['98-71=27', '44-27=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,64 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:[6, 71], Operations: ['98-71=27', '44+27=71'] Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,64 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,64 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:[27, 38], Operations: ['98-71=27', '44-6=38'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 27+38=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 27*38=1026, Resulting Numbers: [1026] 1026,64 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:[44, 33], Operations: ['98-71=27', '6+27=33'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,64 unequal: No Solution Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,64 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: 64:[71, 6, 54], Operations: ['98-44=54'] Exploring Operation: 71-6=65, Resulting Numbers: [54, 65] Generated Node #0,2,0: 64:[54, 65] Operation: 71-6=65 Exploring Operation: 71-54=17, Resulting Numbers: [6, 17] Generated Node #0,2,1: 64:[6, 17] Operation: 71-54=17 Exploring Operation: 6+54=60, Resulting Numbers: [71, 60] Generated Node #0,2,2: 64:[71, 60] Operation: 6+54=60 Exploring Operation: 54/6=9, Resulting Numbers: [71, 9] Generated Node #0,2,3: 64:[71, 9] Operation: 54/6=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[6, 17], Operations: ['98-44=54', '71-54=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[71, 9], Operations: ['98-44=54', '54/6=9'] Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,64 unequal: No Solution Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,64 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:[54, 65], Operations: ['98-44=54', '71-6=65'] Exploring Operation: 54+65=119, Resulting Numbers: [119] 119,64 unequal: No Solution Exploring Operation: 65-54=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 54*65=3510, Resulting Numbers: [3510] 3510,64 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:[71, 60], Operations: ['98-44=54', '6+54=60'] Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,64 unequal: No Solution Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,64 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,64 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, 6, 27], Operations: ['71-44=27'] Exploring Operation: 6+27=33, Resulting Numbers: [98, 33] Generated Node #0,0,0: 64:[98, 33] Operation: 6+27=33 Exploring Operation: 98-6=92, Resulting Numbers: [27, 92] Generated Node #0,0,1: 64:[27, 92] Operation: 98-6=92 Exploring Operation: 27-6=21, Resulting Numbers: [98, 21] Generated Node #0,0,2: 64:[98, 21] Operation: 27-6=21 Exploring Operation: 98-27=71, Resulting Numbers: [6, 71] Generated Node #0,0,3: 64:[6, 71] Operation: 98-27=71 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 64:[6, 71], Operations: ['71-44=27', '98-27=71'] Exploring Operation: 6+71=77, Resulting Numbers: [77] 77,64 unequal: No Solution Exploring Operation: 6*71=426, Resulting Numbers: [426] 426,64 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,64 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 #0,0,1 Current State: 64:[27, 92], Operations: ['71-44=27', '98-6=92'] Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 27*92=2484, Resulting Numbers: [2484] 2484,64 unequal: No Solution Exploring Operation: 27+92=119, Resulting Numbers: [119] 119,64 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:[98, 33], Operations: ['71-44=27', '6+27=33'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 98*33=3234, Resulting Numbers: [3234] 3234,64 unequal: No Solution Exploring Operation: 98+33=131, Resulting Numbers: [131] 131,64 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:[98, 21], Operations: ['71-44=27', '27-6=21'] Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,64 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,64 unequal: No Solution Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,64 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:[98, 71, 38], Operations: ['44-6=38'] Exploring Operation: 98+38=136, Resulting Numbers: [71, 136] Generated Node #0,3,0: 64:[71, 136] Operation: 98+38=136 Exploring Operation: 71-38=33, Resulting Numbers: [98, 33] Generated Node #0,3,1: 64:[98, 33] Operation: 71-38=33 Exploring Operation: 98-71=27, Resulting Numbers: [38, 27] Generated Node #0,3,2: 64:[38, 27] Operation: 98-71=27 Exploring Operation: 98-38=60, Resulting Numbers: [71, 60] Generated Node #0,3,3: 64:[71, 60] Operation: 98-38=60 Moving to Node #0,3,2 Current State: 64:[38, 27], Operations: ['44-6=38', '98-71=27'] Exploring Operation: 38*27=1026, Resulting Numbers: [1026] 1026,64 unequal: No Solution Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[71, 60], Operations: ['44-6=38', '98-38=60'] Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,64 unequal: No Solution Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,64 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[98, 33], Operations: ['44-6=38', '71-38=33'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 98*33=3234, Resulting Numbers: [3234] 3234,64 unequal: No Solution Exploring Operation: 98+33=131, Resulting Numbers: [131] 131,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[71, 136], Operations: ['44-6=38', '98+38=136'] Exploring Operation: 136-71=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 71+136=207, Resulting Numbers: [207] 207,64 unequal: No Solution Exploring Operation: 71*136=9656, Resulting Numbers: [9656] 9656,64 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 55, 93, 6, 72 ]
18
[ "93+72=165", "165/55=3", "6*3=18" ]
Current State: 18:[55, 93, 6, 72], Operations: [] Exploring Operation: 93+72=165, Resulting Numbers: [55, 6, 165] Generated Node #2: [55, 6, 165] from Operation: 93+72=165 Current State: 18:[55, 6, 165], Operations: ['93+72=165'] Exploring Operation: 165/55=3, Resulting Numbers: [6, 3] Generated Node #3: [6, 3] from Operation: 165/55=3 Current State: 18:[6, 3], Operations: ['93+72=165', '165/55=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[55, 93, 6, 72], Operations: [] Exploring Operation: 72/6=12, Resulting Numbers: [55, 93, 12] Generated Node #0,0: 18:[55, 93, 12] Operation: 72/6=12 Exploring Operation: 93-72=21, Resulting Numbers: [55, 6, 21] Generated Node #0,1: 18:[55, 6, 21] Operation: 93-72=21 Exploring Operation: 72-55=17, Resulting Numbers: [93, 6, 17] Generated Node #0,2: 18:[93, 6, 17] Operation: 72-55=17 Exploring Operation: 93-55=38, Resulting Numbers: [6, 72, 38] Generated Node #0,3: 18:[6, 72, 38] Operation: 93-55=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[55, 6, 21], Operations: ['93-72=21'] Exploring Operation: 55+6=61, Resulting Numbers: [21, 61] Generated Node #0,1,0: 18:[21, 61] Operation: 55+6=61 Exploring Operation: 55-21=34, Resulting Numbers: [6, 34] Generated Node #0,1,1: 18:[6, 34] Operation: 55-21=34 Exploring Operation: 21-6=15, Resulting Numbers: [55, 15] Generated Node #0,1,2: 18:[55, 15] Operation: 21-6=15 Exploring Operation: 55-6=49, Resulting Numbers: [21, 49] Generated Node #0,1,3: 18:[21, 49] Operation: 55-6=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[6, 34], Operations: ['93-72=21', '55-21=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,18 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 #0,1,3 Current State: 18:[21, 49], Operations: ['93-72=21', '55-6=49'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 21*49=1029, Resulting Numbers: [1029] 1029,18 unequal: No Solution Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,18 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 #0,1,2 Current State: 18:[55, 15], Operations: ['93-72=21', '21-6=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,18 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,18 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 #0,1,0 Current State: 18:[21, 61], Operations: ['93-72=21', '55+6=61'] Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,18 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 #0,3 Current State: 18:[6, 72, 38], Operations: ['93-55=38'] Exploring Operation: 72/6=12, Resulting Numbers: [38, 12] Generated Node #0,3,0: 18:[38, 12] Operation: 72/6=12 Exploring Operation: 72-38=34, Resulting Numbers: [6, 34] Generated Node #0,3,1: 18:[6, 34] Operation: 72-38=34 Exploring Operation: 38-6=32, Resulting Numbers: [72, 32] Generated Node #0,3,2: 18:[72, 32] Operation: 38-6=32 Exploring Operation: 72-6=66, Resulting Numbers: [38, 66] Generated Node #0,3,3: 18:[38, 66] Operation: 72-6=66 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[6, 34], Operations: ['93-55=38', '72-38=34'] Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,18 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,18 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 #0,3,0 Current State: 18:[38, 12], Operations: ['93-55=38', '72/6=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,18 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 #0,3,2 Current State: 18:[72, 32], Operations: ['93-55=38', '38-6=32'] Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,18 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 #0,3,3 Current State: 18:[38, 66], Operations: ['93-55=38', '72-6=66'] Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,18 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,18 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 #0,2 Current State: 18:[93, 6, 17], Operations: ['72-55=17'] Exploring Operation: 17-6=11, Resulting Numbers: [93, 11] Generated Node #0,2,0: 18:[93, 11] Operation: 17-6=11 Exploring Operation: 6+17=23, Resulting Numbers: [93, 23] Generated Node #0,2,1: 18:[93, 23] Operation: 6+17=23 Exploring Operation: 93-17=76, Resulting Numbers: [6, 76] Generated Node #0,2,2: 18:[6, 76] Operation: 93-17=76 Exploring Operation: 93-6=87, Resulting Numbers: [17, 87] Generated Node #0,2,3: 18:[17, 87] Operation: 93-6=87 Moving to Node #0,2,2 Current State: 18:[6, 76], Operations: ['72-55=17', '93-17=76'] Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[17, 87], Operations: ['72-55=17', '93-6=87'] Exploring Operation: 17+87=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 17*87=1479, Resulting Numbers: [1479] 1479,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[93, 11], Operations: ['72-55=17', '17-6=11'] Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,18 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[93, 23], Operations: ['72-55=17', '6+17=23'] Exploring Operation: 93+23=116, Resulting Numbers: [116] 116,18 unequal: No Solution Exploring Operation: 93*23=2139, Resulting Numbers: [2139] 2139,18 unequal: No Solution Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,18 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:[55, 93, 12], Operations: ['72/6=12'] Exploring Operation: 93-12=81, Resulting Numbers: [55, 81] Generated Node #0,0,0: 18:[55, 81] Operation: 93-12=81 Exploring Operation: 93-55=38, Resulting Numbers: [12, 38] Generated Node #0,0,1: 18:[12, 38] Operation: 93-55=38 Exploring Operation: 55-12=43, Resulting Numbers: [93, 43] Generated Node #0,0,2: 18:[93, 43] Operation: 55-12=43 Exploring Operation: 55+12=67, Resulting Numbers: [93, 67] Generated Node #0,0,3: 18:[93, 67] Operation: 55+12=67 Moving to Node #0,0,1 Current State: 18:[12, 38], Operations: ['72/6=12', '93-55=38'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[93, 43], Operations: ['72/6=12', '55-12=43'] Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,18 unequal: No Solution Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,18 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[55, 81], Operations: ['72/6=12', '93-12=81'] Exploring Operation: 81-55=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 55*81=4455, Resulting Numbers: [4455] 4455,18 unequal: No Solution Exploring Operation: 55+81=136, Resulting Numbers: [136] 136,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[93, 67], Operations: ['72/6=12', '55+12=67'] Exploring Operation: 93*67=6231, Resulting Numbers: [6231] 6231,18 unequal: No Solution Exploring Operation: 93-67=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 93+67=160, Resulting Numbers: [160] 160,18 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
[ 55, 59, 62, 19 ]
14
[ "59-55=4", "19*4=76", "76-62=14" ]
Current State: 14:[55, 59, 62, 19], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [62, 19, 4] Generated Node #2: [62, 19, 4] from Operation: 59-55=4 Current State: 14:[62, 19, 4], Operations: ['59-55=4'] Exploring Operation: 19*4=76, Resulting Numbers: [62, 76] Generated Node #3: [62, 76] from Operation: 19*4=76 Current State: 14:[62, 76], Operations: ['59-55=4', '19*4=76'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[55, 59, 62, 19], Operations: [] Exploring Operation: 62-55=7, Resulting Numbers: [59, 19, 7] Generated Node #0,0: 14:[59, 19, 7] Operation: 62-55=7 Exploring Operation: 59-55=4, Resulting Numbers: [62, 19, 4] Generated Node #0,1: 14:[62, 19, 4] Operation: 59-55=4 Exploring Operation: 62-59=3, Resulting Numbers: [55, 19, 3] Generated Node #0,2: 14:[55, 19, 3] Operation: 62-59=3 Moving to Node #0,2 Current State: 14:[55, 19, 3], Operations: ['62-59=3'] Exploring Operation: 55-3=52, Resulting Numbers: [19, 52] Generated Node #0,2,0: 14:[19, 52] Operation: 55-3=52 Exploring Operation: 55-19=36, Resulting Numbers: [3, 36] Generated Node #0,2,1: 14:[3, 36] Operation: 55-19=36 Exploring Operation: 19-3=16, Resulting Numbers: [55, 16] Generated Node #0,2,2: 14:[55, 16] Operation: 19-3=16 Moving to Node #0,0 Current State: 14:[59, 19, 7], Operations: ['62-55=7'] Exploring Operation: 59-19=40, Resulting Numbers: [7, 40] Generated Node #0,0,0: 14:[7, 40] Operation: 59-19=40 Exploring Operation: 19-7=12, Resulting Numbers: [59, 12] Generated Node #0,0,1: 14:[59, 12] Operation: 19-7=12 Exploring Operation: 59-7=52, Resulting Numbers: [19, 52] Generated Node #0,0,2: 14:[19, 52] Operation: 59-7=52 Moving to Node #0,1 Current State: 14:[62, 19, 4], Operations: ['59-55=4'] Exploring Operation: 19-4=15, Resulting Numbers: [62, 15] Generated Node #0,1,0: 14:[62, 15] Operation: 19-4=15 Exploring Operation: 62-19=43, Resulting Numbers: [4, 43] Generated Node #0,1,1: 14:[4, 43] Operation: 62-19=43 Exploring Operation: 62-4=58, Resulting Numbers: [19, 58] Generated Node #0,1,2: 14:[19, 58] Operation: 62-4=58 Moving to Node #0,2,1 Current State: 14:[3, 36], Operations: ['62-59=3', '55-19=36'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,14 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[7, 40], Operations: ['62-55=7', '59-19=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[4, 43], Operations: ['59-55=4', '62-19=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,14 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[55, 16], Operations: ['62-59=3', '19-3=16'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 55*16=880, Resulting Numbers: [880] 880,14 unequal: No Solution Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[19, 52], Operations: ['62-55=7', '59-7=52'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,14 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[19, 52], Operations: ['62-59=3', '55-3=52'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,14 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[59, 12], Operations: ['62-55=7', '19-7=12'] Exploring Operation: 59-12=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 59*12=708, Resulting Numbers: [708] 708,14 unequal: No Solution Exploring Operation: 59+12=71, Resulting Numbers: [71] 71,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[62, 15], Operations: ['59-55=4', '19-4=15'] Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,14 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,14 unequal: No Solution Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[19, 58], Operations: ['59-55=4', '62-4=58'] Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,14 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,14 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 37, 89, 68, 1 ]
59
[ "37+89=126", "68-1=67", "126-67=59" ]
Current State: 59:[37, 89, 68, 1], Operations: [] Exploring Operation: 37+89=126, Resulting Numbers: [68, 1, 126] Generated Node #2: [68, 1, 126] from Operation: 37+89=126 Current State: 59:[68, 1, 126], Operations: ['37+89=126'] Exploring Operation: 68-1=67, Resulting Numbers: [126, 67] Generated Node #3: [126, 67] from Operation: 68-1=67 Current State: 59:[126, 67], Operations: ['37+89=126', '68-1=67'] Exploring Operation: 126-67=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[37, 89, 68, 1], Operations: [] Exploring Operation: 37+1=38, Resulting Numbers: [89, 68, 38] Generated Node #0,0: 59:[89, 68, 38] Operation: 37+1=38 Moving to Node #0,0 Current State: 59:[89, 68, 38], Operations: ['37+1=38'] Exploring Operation: 89-38=51, Resulting Numbers: [68, 51] Generated Node #0,0,0: 59:[68, 51] Operation: 89-38=51 Moving to Node #0,0,0 Current State: 59:[68, 51], Operations: ['37+1=38', '89-38=51'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,59 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 97, 4, 10, 92 ]
19
[ "97+4=101", "92-10=82", "101-82=19" ]
Current State: 19:[97, 4, 10, 92], Operations: [] Exploring Operation: 97+4=101, Resulting Numbers: [10, 92, 101] Generated Node #2: [10, 92, 101] from Operation: 97+4=101 Current State: 19:[10, 92, 101], Operations: ['97+4=101'] Exploring Operation: 92-10=82, Resulting Numbers: [101, 82] Generated Node #3: [101, 82] from Operation: 92-10=82 Current State: 19:[101, 82], Operations: ['97+4=101', '92-10=82'] Exploring Operation: 101-82=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[97, 4, 10, 92], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [4, 10, 5] Generated Node #0,0: 19:[4, 10, 5] Operation: 97-92=5 Moving to Node #0,0 Current State: 19:[4, 10, 5], Operations: ['97-92=5'] Exploring Operation: 4*5=20, Resulting Numbers: [10, 20] Generated Node #0,0,0: 19:[10, 20] Operation: 4*5=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[10, 20], Operations: ['97-92=5', '4*5=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,19 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
[ 37, 26, 71, 7 ]
80
[ "37+26=63", "63/7=9", "71+9=80" ]
Current State: 80:[37, 26, 71, 7], Operations: [] Exploring Operation: 37+26=63, Resulting Numbers: [71, 7, 63] Generated Node #2: [71, 7, 63] from Operation: 37+26=63 Current State: 80:[71, 7, 63], Operations: ['37+26=63'] Exploring Operation: 63/7=9, Resulting Numbers: [71, 9] Generated Node #3: [71, 9] from Operation: 63/7=9 Current State: 80:[71, 9], Operations: ['37+26=63', '63/7=9'] Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[37, 26, 71, 7], Operations: [] Exploring Operation: 26-7=19, Resulting Numbers: [37, 71, 19] Generated Node #0,0: 80:[37, 71, 19] Operation: 26-7=19 Exploring Operation: 71+7=78, Resulting Numbers: [37, 26, 78] Generated Node #0,1: 80:[37, 26, 78] Operation: 71+7=78 Exploring Operation: 71-26=45, Resulting Numbers: [37, 7, 45] Generated Node #0,2: 80:[37, 7, 45] Operation: 71-26=45 Exploring Operation: 71-37=34, Resulting Numbers: [26, 7, 34] Generated Node #0,3: 80:[26, 7, 34] Operation: 71-37=34 Exploring Operation: 37-26=11, Resulting Numbers: [71, 7, 11] Generated Node #0,4: 80:[71, 7, 11] Operation: 37-26=11 Moving to Node #0,2 Current State: 80:[37, 7, 45], Operations: ['71-26=45'] Exploring Operation: 37+7=44, Resulting Numbers: [45, 44] Generated Node #0,2,0: 80:[45, 44] Operation: 37+7=44 Exploring Operation: 45-7=38, Resulting Numbers: [37, 38] Generated Node #0,2,1: 80:[37, 38] Operation: 45-7=38 Exploring Operation: 37-7=30, Resulting Numbers: [45, 30] Generated Node #0,2,2: 80:[45, 30] Operation: 37-7=30 Exploring Operation: 37+45=82, Resulting Numbers: [7, 82] Generated Node #0,2,3: 80:[7, 82] Operation: 37+45=82 Exploring Operation: 45-37=8, Resulting Numbers: [7, 8] Generated Node #0,2,4: 80:[7, 8] Operation: 45-37=8 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 80:[7, 8], Operations: ['71-26=45', '45-37=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 80:[7, 82], Operations: ['71-26=45', '37+45=82'] Exploring Operation: 7*82=574, Resulting Numbers: [574] 574,80 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 7+82=89, Resulting Numbers: [89] 89,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[37, 38], Operations: ['71-26=45', '45-7=38'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,80 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[45, 44], Operations: ['71-26=45', '37+7=44'] Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 45*44=1980, Resulting Numbers: [1980] 1980,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[45, 30], Operations: ['71-26=45', '37-7=30'] Exploring Operation: 45*30=1350, Resulting Numbers: [1350] 1350,80 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,80 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: 80:[71, 7, 11], Operations: ['37-26=11'] Exploring Operation: 7*11=77, Resulting Numbers: [71, 77] Generated Node #0,4,0: 80:[71, 77] Operation: 7*11=77 Exploring Operation: 71+11=82, Resulting Numbers: [7, 82] Generated Node #0,4,1: 80:[7, 82] Operation: 71+11=82 Exploring Operation: 71+7=78, Resulting Numbers: [11, 78] Generated Node #0,4,2: 80:[11, 78] Operation: 71+7=78 Exploring Operation: 11-7=4, Resulting Numbers: [71, 4] Generated Node #0,4,3: 80:[71, 4] Operation: 11-7=4 Exploring Operation: 7+11=18, Resulting Numbers: [71, 18] Generated Node #0,4,4: 80:[71, 18] Operation: 7+11=18 Moving to Node #0,1 Current State: 80:[37, 26, 78], Operations: ['71+7=78'] Exploring Operation: 78-26=52, Resulting Numbers: [37, 52] Generated Node #0,1,0: 80:[37, 52] Operation: 78-26=52 Exploring Operation: 37+26=63, Resulting Numbers: [78, 63] Generated Node #0,1,1: 80:[78, 63] Operation: 37+26=63 Exploring Operation: 37-26=11, Resulting Numbers: [78, 11] Generated Node #0,1,2: 80:[78, 11] Operation: 37-26=11 Exploring Operation: 78/26=3, Resulting Numbers: [37, 3] Generated Node #0,1,3: 80:[37, 3] Operation: 78/26=3 Exploring Operation: 78-37=41, Resulting Numbers: [26, 41] Generated Node #0,1,4: 80:[26, 41] Operation: 78-37=41 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[78, 11], Operations: ['71+7=78', '37-26=11'] Exploring Operation: 78+11=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 78*11=858, Resulting Numbers: [858] 858,80 unequal: No Solution Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[37, 3], Operations: ['71+7=78', '78/26=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,80 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 80:[26, 41], Operations: ['71+7=78', '78-37=41'] Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,80 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[37, 52], Operations: ['71+7=78', '78-26=52'] Exploring Operation: 37*52=1924, Resulting Numbers: [1924] 1924,80 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[78, 63], Operations: ['71+7=78', '37+26=63'] Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 78+63=141, Resulting Numbers: [141] 141,80 unequal: No Solution Exploring Operation: 78*63=4914, Resulting Numbers: [4914] 4914,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 80:[37, 71, 19], Operations: ['26-7=19'] Exploring Operation: 71-19=52, Resulting Numbers: [37, 52] Generated Node #0,0,0: 80:[37, 52] Operation: 71-19=52 Exploring Operation: 37+19=56, Resulting Numbers: [71, 56] Generated Node #0,0,1: 80:[71, 56] Operation: 37+19=56 Exploring Operation: 37-19=18, Resulting Numbers: [71, 18] Generated Node #0,0,2: 80:[71, 18] Operation: 37-19=18 Exploring Operation: 71-37=34, Resulting Numbers: [19, 34] Generated Node #0,0,3: 80:[19, 34] Operation: 71-37=34 Exploring Operation: 71+19=90, Resulting Numbers: [37, 90] Generated Node #0,0,4: 80:[37, 90] Operation: 71+19=90 Moving to Node #0,3 Current State: 80:[26, 7, 34], Operations: ['71-37=34'] Exploring Operation: 34-26=8, Resulting Numbers: [7, 8] Generated Node #0,3,0: 80:[7, 8] Operation: 34-26=8 Exploring Operation: 7+34=41, Resulting Numbers: [26, 41] Generated Node #0,3,1: 80:[26, 41] Operation: 7+34=41 Exploring Operation: 26-7=19, Resulting Numbers: [34, 19] Generated Node #0,3,2: 80:[34, 19] Operation: 26-7=19 Exploring Operation: 26+7=33, Resulting Numbers: [34, 33] Generated Node #0,3,3: 80:[34, 33] Operation: 26+7=33 Exploring Operation: 34-7=27, Resulting Numbers: [26, 27] Generated Node #0,3,4: 80:[26, 27] Operation: 34-7=27 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[7, 8], Operations: ['71-37=34', '34-26=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[26, 41], Operations: ['71-37=34', '7+34=41'] Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,80 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[34, 19], Operations: ['71-37=34', '26-7=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,80 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[34, 33], Operations: ['71-37=34', '26+7=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,80 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,80 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 80:[26, 27], Operations: ['71-37=34', '34-7=27'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 26*27=702, Resulting Numbers: [702] 702,80 unequal: No Solution Exploring Operation: 26+27=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 80:[7, 82], Operations: ['37-26=11', '71+11=82'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 7*82=574, Resulting Numbers: [574] 574,80 unequal: No Solution Exploring Operation: 7+82=89, Resulting Numbers: [89] 89,80 unequal: No Solution Moving to Node #0,4,2 Current State: 80:[11, 78], Operations: ['37-26=11', '71+7=78'] Exploring Operation: 78-11=67, Resulting Numbers: [67] 67,80 unequal: No Solution Exploring Operation: 11*78=858, Resulting Numbers: [858] 858,80 unequal: No Solution Exploring Operation: 11+78=89, Resulting Numbers: [89] 89,80 unequal: No Solution Moving to Node #0,0,3 Current State: 80:[19, 34], Operations: ['26-7=19', '71-37=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,80 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,80 unequal: No Solution Moving to Node #0,4,3 Current State: 80:[71, 4], Operations: ['37-26=11', '11-7=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,80 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[71, 18], Operations: ['26-7=19', '37-19=18'] Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,80 unequal: No Solution Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,80 unequal: No Solution Moving to Node #0,4,4 Current State: 80:[71, 18], Operations: ['37-26=11', '7+11=18'] Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,80 unequal: No Solution Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,80 unequal: No Solution Moving to Node #0,4,0 Current State: 80:[71, 77], Operations: ['37-26=11', '7*11=77'] Exploring Operation: 77-71=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 71+77=148, Resulting Numbers: [148] 148,80 unequal: No Solution Exploring Operation: 71*77=5467, Resulting Numbers: [5467] 5467,80 unequal: No Solution Moving to Node #0,0,4 Current State: 80:[37, 90], Operations: ['26-7=19', '71+19=90'] Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,80 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,80 unequal: No Solution Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[37, 52], Operations: ['26-7=19', '71-19=52'] Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 37*52=1924, Resulting Numbers: [1924] 1924,80 unequal: No Solution Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[71, 56], Operations: ['26-7=19', '37+19=56'] Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 71*56=3976, Resulting Numbers: [3976] 3976,80 unequal: No Solution Exploring Operation: 71+56=127, Resulting Numbers: [127] 127,80 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 37, 59, 9, 3 ]
75
[ "59-37=22", "3*22=66", "9+66=75" ]
Current State: 75:[37, 59, 9, 3], Operations: [] Exploring Operation: 59-37=22, Resulting Numbers: [9, 3, 22] Generated Node #2: [9, 3, 22] from Operation: 59-37=22 Current State: 75:[9, 3, 22], Operations: ['59-37=22'] Exploring Operation: 3*22=66, Resulting Numbers: [9, 66] Generated Node #3: [9, 66] from Operation: 3*22=66 Current State: 75:[9, 66], Operations: ['59-37=22', '3*22=66'] Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[37, 59, 9, 3], Operations: [] Exploring Operation: 59+9=68, Resulting Numbers: [37, 3, 68] Generated Node #0,0: 75:[37, 3, 68] Operation: 59+9=68 Exploring Operation: 37-9=28, Resulting Numbers: [59, 3, 28] Generated Node #0,1: 75:[59, 3, 28] Operation: 37-9=28 Exploring Operation: 59-37=22, Resulting Numbers: [9, 3, 22] Generated Node #0,2: 75:[9, 3, 22] Operation: 59-37=22 Exploring Operation: 37+59=96, Resulting Numbers: [9, 3, 96] Generated Node #0,3: 75:[9, 3, 96] Operation: 37+59=96 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[9, 3, 22], Operations: ['59-37=22'] Exploring Operation: 22-9=13, Resulting Numbers: [3, 13] Generated Node #0,2,0: 75:[3, 13] Operation: 22-9=13 Exploring Operation: 3+22=25, Resulting Numbers: [9, 25] Generated Node #0,2,1: 75:[9, 25] Operation: 3+22=25 Exploring Operation: 9-3=6, Resulting Numbers: [22, 6] Generated Node #0,2,2: 75:[22, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [22, 3] Generated Node #0,2,3: 75:[22, 3] Operation: 9/3=3 Moving to Node #0,2,0 Current State: 75:[3, 13], Operations: ['59-37=22', '22-9=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[22, 3], Operations: ['59-37=22', '9/3=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[22, 6], Operations: ['59-37=22', '9-3=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,75 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[9, 25], Operations: ['59-37=22', '3+22=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,75 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[37, 3, 68], Operations: ['59+9=68'] Exploring Operation: 68-37=31, Resulting Numbers: [3, 31] Generated Node #0,0,0: 75:[3, 31] Operation: 68-37=31 Exploring Operation: 37+3=40, Resulting Numbers: [68, 40] Generated Node #0,0,1: 75:[68, 40] Operation: 37+3=40 Exploring Operation: 37-3=34, Resulting Numbers: [68, 34] Generated Node #0,0,2: 75:[68, 34] Operation: 37-3=34 Exploring Operation: 3+68=71, Resulting Numbers: [37, 71] Generated Node #0,0,3: 75:[37, 71] Operation: 3+68=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[3, 31], Operations: ['59+9=68', '68-37=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[68, 34], Operations: ['59+9=68', '37-3=34'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,75 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 68*34=2312, Resulting Numbers: [2312] 2312,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[37, 71], Operations: ['59+9=68', '3+68=71'] Exploring Operation: 37*71=2627, Resulting Numbers: [2627] 2627,75 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 37+71=108, Resulting Numbers: [108] 108,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[68, 40], Operations: ['59+9=68', '37+3=40'] Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,75 unequal: No Solution Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,75 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[59, 3, 28], Operations: ['37-9=28'] Exploring Operation: 59+3=62, Resulting Numbers: [28, 62] Generated Node #0,1,0: 75:[28, 62] Operation: 59+3=62 Exploring Operation: 28-3=25, Resulting Numbers: [59, 25] Generated Node #0,1,1: 75:[59, 25] Operation: 28-3=25 Exploring Operation: 59+28=87, Resulting Numbers: [3, 87] Generated Node #0,1,2: 75:[3, 87] Operation: 59+28=87 Exploring Operation: 59-28=31, Resulting Numbers: [3, 31] Generated Node #0,1,3: 75:[3, 31] Operation: 59-28=31 Moving to Node #0,1,3 Current State: 75:[3, 31], Operations: ['37-9=28', '59-28=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[3, 87], Operations: ['37-9=28', '59+28=87'] Exploring Operation: 3*87=261, Resulting Numbers: [261] 261,75 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[59, 25], Operations: ['37-9=28', '28-3=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[28, 62], Operations: ['37-9=28', '59+3=62'] Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,75 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[9, 3, 96], Operations: ['37+59=96'] Exploring Operation: 96-9=87, Resulting Numbers: [3, 87] Generated Node #0,3,0: 75:[3, 87] Operation: 96-9=87 Exploring Operation: 9-3=6, Resulting Numbers: [96, 6] Generated Node #0,3,1: 75:[96, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [96, 3] Generated Node #0,3,2: 75:[96, 3] Operation: 9/3=3 Exploring Operation: 96/3=32, Resulting Numbers: [9, 32] Generated Node #0,3,3: 75:[9, 32] Operation: 96/3=32 Moving to Node #0,3,3 Current State: 75:[9, 32], Operations: ['37+59=96', '96/3=32'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,75 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,75 unequal: No Solution Moving to Node #0,3,0 Current State: 75:[3, 87], Operations: ['37+59=96', '96-9=87'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,75 unequal: No Solution Exploring Operation: 3*87=261, Resulting Numbers: [261] 261,75 unequal: No Solution Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,75 unequal: No Solution Moving to Node #0,3,2 Current State: 75:[96, 3], Operations: ['37+59=96', '9/3=3'] Exploring Operation: 96*3=288, Resulting Numbers: [288] 288,75 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,75 unequal: No Solution Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[96, 6], Operations: ['37+59=96', '9-3=6'] Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,75 unequal: No Solution Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,75 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
[ 71, 62, 75, 16 ]
58
[ "75-71=4", "16/4=4", "62-4=58" ]
Current State: 58:[71, 62, 75, 16], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [62, 16, 4] Generated Node #2: [62, 16, 4] from Operation: 75-71=4 Current State: 58:[62, 16, 4], Operations: ['75-71=4'] Exploring Operation: 16/4=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 16/4=4 Current State: 58:[62, 4], Operations: ['75-71=4', '16/4=4'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[71, 62, 75, 16], Operations: [] Exploring Operation: 75-16=59, Resulting Numbers: [71, 62, 59] Generated Node #0,0: 58:[71, 62, 59] Operation: 75-16=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[71, 62, 59], Operations: ['75-16=59'] Exploring Operation: 71-62=9, Resulting Numbers: [59, 9] Generated Node #0,0,0: 58:[59, 9] Operation: 71-62=9 Moving to Node #0,0,0 Current State: 58:[59, 9], Operations: ['75-16=59', '71-62=9'] Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,58 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
[ 73, 43, 41, 41 ]
57
[ "73+41=114", "43-41=2", "114/2=57" ]
Current State: 57:[73, 43, 41, 41], Operations: [] Exploring Operation: 73+41=114, Resulting Numbers: [43, 114] Generated Node #2: [43, 114] from Operation: 73+41=114 Current State: 57:[43, 114], Operations: ['73+41=114'] Exploring Operation: 43-41=2, Resulting Numbers: [114, 2] Generated Node #3: [114, 2] from Operation: 43-41=2 Current State: 57:[114, 2], Operations: ['73+41=114', '43-41=2'] Exploring Operation: 114/2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[73, 43, 41, 41], Operations: [] Exploring Operation: 41/41=1, Resulting Numbers: [73, 43, 1] Generated Node #0,0: 57:[73, 43, 1] Operation: 41/41=1 Exploring Operation: 43-41=2, Resulting Numbers: [73, 41, 2] Generated Node #0,1: 57:[73, 41, 2] Operation: 43-41=2 Exploring Operation: 43-41=2, Resulting Numbers: [73, 41, 2] Generated Node #0,2: 57:[73, 41, 2] Operation: 43-41=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[73, 43, 1], Operations: ['41/41=1'] Exploring Operation: 73-1=72, Resulting Numbers: [43, 72] Generated Node #0,0,0: 57:[43, 72] Operation: 73-1=72 Exploring Operation: 43+1=44, Resulting Numbers: [73, 44] Generated Node #0,0,1: 57:[73, 44] Operation: 43+1=44 Exploring Operation: 73-43=30, Resulting Numbers: [1, 30] Generated Node #0,0,2: 57:[1, 30] Operation: 73-43=30 Moving to Node #0,0,2 Current State: 57:[1, 30], Operations: ['41/41=1', '73-43=30'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[43, 72], Operations: ['41/41=1', '73-1=72'] Exploring Operation: 43*72=3096, Resulting Numbers: [3096] 3096,57 unequal: No Solution Exploring Operation: 43+72=115, Resulting Numbers: [115] 115,57 unequal: No Solution Exploring Operation: 72-43=29, Resulting Numbers: [29] 29,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[73, 44], Operations: ['41/41=1', '43+1=44'] Exploring Operation: 73+44=117, Resulting Numbers: [117] 117,57 unequal: No Solution Exploring Operation: 73*44=3212, Resulting Numbers: [3212] 3212,57 unequal: No Solution Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[73, 41, 2], Operations: ['43-41=2'] Exploring Operation: 73-2=71, Resulting Numbers: [41, 71] Generated Node #0,1,0: 57:[41, 71] Operation: 73-2=71 Exploring Operation: 41+2=43, Resulting Numbers: [73, 43] Generated Node #0,1,1: 57:[73, 43] Operation: 41+2=43 Exploring Operation: 73-41=32, Resulting Numbers: [2, 32] Generated Node #0,1,2: 57:[2, 32] Operation: 73-41=32 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[2, 32], Operations: ['43-41=2', '73-41=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[41, 71], Operations: ['43-41=2', '73-2=71'] Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[73, 43], Operations: ['43-41=2', '41+2=43'] Exploring Operation: 73*43=3139, Resulting Numbers: [3139] 3139,57 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 73+43=116, Resulting Numbers: [116] 116,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[73, 41, 2], Operations: ['43-41=2'] Exploring Operation: 73-2=71, Resulting Numbers: [41, 71] Generated Node #0,2,0: 57:[41, 71] Operation: 73-2=71 Exploring Operation: 41+2=43, Resulting Numbers: [73, 43] Generated Node #0,2,1: 57:[73, 43] Operation: 41+2=43 Exploring Operation: 73-41=32, Resulting Numbers: [2, 32] Generated Node #0,2,2: 57:[2, 32] Operation: 73-41=32 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[2, 32], Operations: ['43-41=2', '73-41=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,57 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[41, 71], Operations: ['43-41=2', '73-2=71'] Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,57 unequal: No Solution Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,57 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[73, 43], Operations: ['43-41=2', '41+2=43'] Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 73*43=3139, Resulting Numbers: [3139] 3139,57 unequal: No Solution Exploring Operation: 73+43=116, Resulting Numbers: [116] 116,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 45, 97, 94, 51 ]
32
[ "45+51=96", "97-94=3", "96/3=32" ]
Current State: 32:[45, 97, 94, 51], Operations: [] Exploring Operation: 45+51=96, Resulting Numbers: [97, 94, 96] Generated Node #2: [97, 94, 96] from Operation: 45+51=96 Current State: 32:[97, 94, 96], Operations: ['45+51=96'] Exploring Operation: 97-94=3, Resulting Numbers: [96, 3] Generated Node #3: [96, 3] from Operation: 97-94=3 Current State: 32:[96, 3], Operations: ['45+51=96', '97-94=3'] Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[45, 97, 94, 51], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [45, 51, 3] Generated Node #0,0: 32:[45, 51, 3] Operation: 97-94=3 Exploring Operation: 97-51=46, Resulting Numbers: [45, 94, 46] Generated Node #0,1: 32:[45, 94, 46] Operation: 97-51=46 Moving to Node #0,0 Current State: 32:[45, 51, 3], Operations: ['97-94=3'] Exploring Operation: 51-45=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 32:[3, 6] Operation: 51-45=6 Exploring Operation: 51/3=17, Resulting Numbers: [45, 17] Generated Node #0,0,1: 32:[45, 17] Operation: 51/3=17 Moving to Node #0,1 Current State: 32:[45, 94, 46], Operations: ['97-51=46'] Exploring Operation: 94-45=49, Resulting Numbers: [46, 49] Generated Node #0,1,0: 32:[46, 49] Operation: 94-45=49 Exploring Operation: 94-46=48, Resulting Numbers: [45, 48] Generated Node #0,1,1: 32:[45, 48] Operation: 94-46=48 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[45, 48], Operations: ['97-51=46', '94-46=48'] Exploring Operation: 45+48=93, Resulting Numbers: [93] 93,32 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[46, 49], Operations: ['97-51=46', '94-45=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,32 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,32 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: 32:[3, 6], Operations: ['97-94=3', '51-45=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,32 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[45, 17], Operations: ['97-94=3', '51/3=17'] Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,32 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,32 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 27, 48, 3, 7 ]
47
[ "27*7=189", "189-48=141", "141/3=47" ]
Current State: 47:[27, 48, 3, 7], Operations: [] Exploring Operation: 27*7=189, Resulting Numbers: [48, 3, 189] Generated Node #2: [48, 3, 189] from Operation: 27*7=189 Current State: 47:[48, 3, 189], Operations: ['27*7=189'] Exploring Operation: 189-48=141, Resulting Numbers: [3, 141] Generated Node #3: [3, 141] from Operation: 189-48=141 Current State: 47:[3, 141], Operations: ['27*7=189', '189-48=141'] Exploring Operation: 141/3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[27, 48, 3, 7], Operations: [] Exploring Operation: 27+3=30, Resulting Numbers: [48, 7, 30] Generated Node #0,0: 47:[48, 7, 30] Operation: 27+3=30 Exploring Operation: 3*7=21, Resulting Numbers: [27, 48, 21] Generated Node #0,1: 47:[27, 48, 21] Operation: 3*7=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[27, 48, 21], Operations: ['3*7=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48, 48] Generated Node #0,1,0: 47:[48, 48] Operation: 27+21=48 Exploring Operation: 48-21=27, Resulting Numbers: [27, 27] Generated Node #0,1,1: 47:[27, 27] Operation: 48-21=27 Moving to Node #0,1,0 Current State: 47:[48, 48], Operations: ['3*7=21', '27+21=48'] Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[27, 27], Operations: ['3*7=21', '48-21=27'] Exploring Operation: 27/27=1, Resulting Numbers: [1] 1,47 unequal: No Solution Exploring Operation: 27+27=54, Resulting Numbers: [54] 54,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[48, 7, 30], Operations: ['27+3=30'] Exploring Operation: 7+30=37, Resulting Numbers: [48, 37] Generated Node #0,0,0: 47:[48, 37] Operation: 7+30=37 Exploring Operation: 48-7=41, Resulting Numbers: [30, 41] Generated Node #0,0,1: 47:[30, 41] Operation: 48-7=41 Moving to Node #0,0,0 Current State: 47:[48, 37], Operations: ['27+3=30', '7+30=37'] Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,47 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[30, 41], Operations: ['27+3=30', '48-7=41'] Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 19, 27, 49, 44 ]
40
[ "27-19=8", "49-44=5", "8*5=40" ]
Current State: 40:[19, 27, 49, 44], Operations: [] Exploring Operation: 27-19=8, Resulting Numbers: [49, 44, 8] Generated Node #2: [49, 44, 8] from Operation: 27-19=8 Current State: 40:[49, 44, 8], Operations: ['27-19=8'] Exploring Operation: 49-44=5, Resulting Numbers: [8, 5] Generated Node #3: [8, 5] from Operation: 49-44=5 Current State: 40:[8, 5], Operations: ['27-19=8', '49-44=5'] Exploring Operation: 8*5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[19, 27, 49, 44], Operations: [] Exploring Operation: 44-27=17, Resulting Numbers: [19, 49, 17] Generated Node #0,0: 40:[19, 49, 17] Operation: 44-27=17 Exploring Operation: 19+27=46, Resulting Numbers: [49, 44, 46] Generated Node #0,1: 40:[49, 44, 46] Operation: 19+27=46 Exploring Operation: 27-19=8, Resulting Numbers: [49, 44, 8] Generated Node #0,2: 40:[49, 44, 8] Operation: 27-19=8 Exploring Operation: 49-27=22, Resulting Numbers: [19, 44, 22] Generated Node #0,3: 40:[19, 44, 22] Operation: 49-27=22 Exploring Operation: 49-44=5, Resulting Numbers: [19, 27, 5] Generated Node #0,4: 40:[19, 27, 5] Operation: 49-44=5 Moving to Node #0,3 Current State: 40:[19, 44, 22], Operations: ['49-27=22'] Exploring Operation: 19+22=41, Resulting Numbers: [44, 41] Generated Node #0,3,0: 40:[44, 41] Operation: 19+22=41 Exploring Operation: 44-22=22, Resulting Numbers: [19, 22] Generated Node #0,3,1: 40:[19, 22] Operation: 44-22=22 Exploring Operation: 22-19=3, Resulting Numbers: [44, 3] Generated Node #0,3,2: 40:[44, 3] Operation: 22-19=3 Exploring Operation: 44-19=25, Resulting Numbers: [22, 25] Generated Node #0,3,3: 40:[22, 25] Operation: 44-19=25 Exploring Operation: 44/22=2, Resulting Numbers: [19, 2] Generated Node #0,3,4: 40:[19, 2] Operation: 44/22=2 Moving to Node #0,4 Current State: 40:[19, 27, 5], Operations: ['49-44=5'] Exploring Operation: 27+5=32, Resulting Numbers: [19, 32] Generated Node #0,4,0: 40:[19, 32] Operation: 27+5=32 Exploring Operation: 27-19=8, Resulting Numbers: [5, 8] Generated Node #0,4,1: 40:[5, 8] Operation: 27-19=8 Exploring Operation: 19+5=24, Resulting Numbers: [27, 24] Generated Node #0,4,2: 40:[27, 24] Operation: 19+5=24 Exploring Operation: 27-5=22, Resulting Numbers: [19, 22] Generated Node #0,4,3: 40:[19, 22] Operation: 27-5=22 Exploring Operation: 19+27=46, Resulting Numbers: [5, 46] Generated Node #0,4,4: 40:[5, 46] Operation: 19+27=46 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 40:[5, 8], Operations: ['49-44=5', '27-19=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[19, 27, 49, 44], Operations: [] Exploring Operation: 49-44=5, Resulting Numbers: [19, 27, 5] Generated Node #0,4: 40:[19, 27, 5] Operation: 49-44=5 Moving to Node #0,4 Current State: 40:[19, 27, 5], Operations: ['49-44=5'] Exploring Operation: 27-19=8, Resulting Numbers: [5, 8] Generated Node #0,4,1: 40:[5, 8] Operation: 27-19=8 Moving to Node #0,4,1 Current State: 40:[5, 8], Operations: ['49-44=5', '27-19=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 84, 62, 83, 88 ]
92
[ "83-62=21", "84/21=4", "88+4=92" ]
Current State: 92:[84, 62, 83, 88], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [84, 88, 21] Generated Node #2: [84, 88, 21] from Operation: 83-62=21 Current State: 92:[84, 88, 21], Operations: ['83-62=21'] Exploring Operation: 84/21=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 84/21=4 Current State: 92:[88, 4], Operations: ['83-62=21', '84/21=4'] Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[84, 62, 83, 88], Operations: [] Exploring Operation: 84-62=22, Resulting Numbers: [83, 88, 22] Generated Node #0,0: 92:[83, 88, 22] Operation: 84-62=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[83, 88, 22], Operations: ['84-62=22'] Exploring Operation: 88-83=5, Resulting Numbers: [22, 5] Generated Node #0,0,0: 92:[22, 5] Operation: 88-83=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[22, 5], Operations: ['84-62=22', '88-83=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 14, 20, 76 ]
55
[ "14*76=1064", "36+1064=1100", "1100/20=55" ]
Current State: 55:[36, 14, 20, 76], Operations: [] Exploring Operation: 14*76=1064, Resulting Numbers: [36, 20, 1064] Generated Node #2: [36, 20, 1064] from Operation: 14*76=1064 Current State: 55:[36, 20, 1064], Operations: ['14*76=1064'] Exploring Operation: 36+1064=1100, Resulting Numbers: [20, 1100] Generated Node #3: [20, 1100] from Operation: 36+1064=1100 Current State: 55:[20, 1100], Operations: ['14*76=1064', '36+1064=1100'] Exploring Operation: 1100/20=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[36, 14, 20, 76], Operations: [] Exploring Operation: 76-20=56, Resulting Numbers: [36, 14, 56] Generated Node #0,0: 55:[36, 14, 56] Operation: 76-20=56 Moving to Node #0,0 Current State: 55:[36, 14, 56], Operations: ['76-20=56'] Exploring Operation: 36+14=50, Resulting Numbers: [56, 50] Generated Node #0,0,0: 55:[56, 50] Operation: 36+14=50 Moving to Node #0,0,0 Current State: 55:[56, 50], Operations: ['76-20=56', '36+14=50'] Exploring Operation: 56-50=6, Resulting Numbers: [6] 6,55 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 3, 69, 63, 2 ]
42
[ "69/3=23", "63+2=65", "65-23=42" ]
Current State: 42:[3, 69, 63, 2], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [63, 2, 23] Generated Node #2: [63, 2, 23] from Operation: 69/3=23 Current State: 42:[63, 2, 23], Operations: ['69/3=23'] Exploring Operation: 63+2=65, Resulting Numbers: [23, 65] Generated Node #3: [23, 65] from Operation: 63+2=65 Current State: 42:[23, 65], Operations: ['69/3=23', '63+2=65'] Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[3, 69, 63, 2], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [63, 2, 23] Generated Node #0,0: 42:[63, 2, 23] Operation: 69/3=23 Exploring Operation: 69-63=6, Resulting Numbers: [3, 2, 6] Generated Node #0,1: 42:[3, 2, 6] Operation: 69-63=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[3, 2, 6], Operations: ['69-63=6'] Exploring Operation: 6-3=3, Resulting Numbers: [2, 3] Generated Node #0,1,0: 42:[2, 3] Operation: 6-3=3 Exploring Operation: 3*2=6, Resulting Numbers: [6, 6] Generated Node #0,1,1: 42:[6, 6] Operation: 3*2=6 Moving to Node #0,1,0 Current State: 42:[2, 3], Operations: ['69-63=6', '6-3=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[6, 6], Operations: ['69-63=6', '3*2=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,42 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:[63, 2, 23], Operations: ['69/3=23'] Exploring Operation: 63-2=61, Resulting Numbers: [23, 61] Generated Node #0,0,0: 42:[23, 61] Operation: 63-2=61 Exploring Operation: 63-23=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 42:[2, 40] Operation: 63-23=40 Moving to Node #0,0,1 Current State: 42:[2, 40], Operations: ['69/3=23', '63-23=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[3, 69, 63, 2], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [63, 2, 23] Generated Node #0,0: 42:[63, 2, 23] Operation: 69/3=23 Moving to Node #0,0 Current State: 42:[63, 2, 23], Operations: ['69/3=23'] Exploring Operation: 63-23=40, Resulting Numbers: [2, 40] Generated Node #0,0,1: 42:[2, 40] Operation: 63-23=40 Moving to Node #0,0,1 Current State: 42:[2, 40], Operations: ['69/3=23', '63-23=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 37, 61, 58, 97 ]
51
[ "37*97=3589", "61*58=3538", "3589-3538=51" ]
Current State: 51:[37, 61, 58, 97], Operations: [] Exploring Operation: 37*97=3589, Resulting Numbers: [61, 58, 3589] Generated Node #2: [61, 58, 3589] from Operation: 37*97=3589 Current State: 51:[61, 58, 3589], Operations: ['37*97=3589'] Exploring Operation: 61*58=3538, Resulting Numbers: [3589, 3538] Generated Node #3: [3589, 3538] from Operation: 61*58=3538 Current State: 51:[3589, 3538], Operations: ['37*97=3589', '61*58=3538'] Exploring Operation: 3589-3538=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 61, 58, 97], Operations: [] Exploring Operation: 61-37=24, Resulting Numbers: [58, 97, 24] Generated Node #0,0: 51:[58, 97, 24] Operation: 61-37=24 Exploring Operation: 97-37=60, Resulting Numbers: [61, 58, 60] Generated Node #0,1: 51:[61, 58, 60] Operation: 97-37=60 Exploring Operation: 97-61=36, Resulting Numbers: [37, 58, 36] Generated Node #0,2: 51:[37, 58, 36] Operation: 97-61=36 Exploring Operation: 58-37=21, Resulting Numbers: [61, 97, 21] Generated Node #0,3: 51:[61, 97, 21] Operation: 58-37=21 Exploring Operation: 97-58=39, Resulting Numbers: [37, 61, 39] Generated Node #0,4: 51:[37, 61, 39] Operation: 97-58=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[61, 58, 60], Operations: ['97-37=60'] Exploring Operation: 61-60=1, Resulting Numbers: [58, 1] Generated Node #0,1,0: 51:[58, 1] Operation: 61-60=1 Exploring Operation: 60-58=2, Resulting Numbers: [61, 2] Generated Node #0,1,1: 51:[61, 2] Operation: 60-58=2 Exploring Operation: 61+58=119, Resulting Numbers: [60, 119] Generated Node #0,1,2: 51:[60, 119] Operation: 61+58=119 Exploring Operation: 61+60=121, Resulting Numbers: [58, 121] Generated Node #0,1,3: 51:[58, 121] Operation: 61+60=121 Exploring Operation: 61-58=3, Resulting Numbers: [60, 3] Generated Node #0,1,4: 51:[60, 3] Operation: 61-58=3 Moving to Node #0,1,0 Current State: 51:[58, 1], Operations: ['97-37=60', '61-60=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,51 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,51 unequal: No Solution Moving to Node #0,1,4 Current State: 51:[60, 3], Operations: ['97-37=60', '61-58=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 60*3=180, Resulting Numbers: [180] 180,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[61, 2], Operations: ['97-37=60', '60-58=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 61*2=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[60, 119], Operations: ['97-37=60', '61+58=119'] Exploring Operation: 60*119=7140, Resulting Numbers: [7140] 7140,51 unequal: No Solution Exploring Operation: 60+119=179, Resulting Numbers: [179] 179,51 unequal: No Solution Exploring Operation: 119-60=59, Resulting Numbers: [59] 59,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[58, 121], Operations: ['97-37=60', '61+60=121'] Exploring Operation: 58+121=179, Resulting Numbers: [179] 179,51 unequal: No Solution Exploring Operation: 121-58=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 58*121=7018, Resulting Numbers: [7018] 7018,51 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:[37, 58, 36], Operations: ['97-61=36'] Exploring Operation: 58-37=21, Resulting Numbers: [36, 21] Generated Node #0,2,0: 51:[36, 21] Operation: 58-37=21 Exploring Operation: 37-36=1, Resulting Numbers: [58, 1] Generated Node #0,2,1: 51:[58, 1] Operation: 37-36=1 Exploring Operation: 58-36=22, Resulting Numbers: [37, 22] Generated Node #0,2,2: 51:[37, 22] Operation: 58-36=22 Exploring Operation: 37+36=73, Resulting Numbers: [58, 73] Generated Node #0,2,3: 51:[58, 73] Operation: 37+36=73 Exploring Operation: 58+36=94, Resulting Numbers: [37, 94] Generated Node #0,2,4: 51:[37, 94] Operation: 58+36=94 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[58, 1], Operations: ['97-61=36', '37-36=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,51 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[36, 21], Operations: ['97-61=36', '58-37=21'] Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,51 unequal: No Solution Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[37, 22], Operations: ['97-61=36', '58-36=22'] Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,51 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 51:[58, 73], Operations: ['97-61=36', '37+36=73'] Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 58*73=4234, Resulting Numbers: [4234] 4234,51 unequal: No Solution Exploring Operation: 58+73=131, Resulting Numbers: [131] 131,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 51:[37, 94], Operations: ['97-61=36', '58+36=94'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 37+94=131, Resulting Numbers: [131] 131,51 unequal: No Solution Exploring Operation: 37*94=3478, Resulting Numbers: [3478] 3478,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[37, 61, 39], Operations: ['97-58=39'] Exploring Operation: 37+61=98, Resulting Numbers: [39, 98] Generated Node #0,4,0: 51:[39, 98] Operation: 37+61=98 Exploring Operation: 37+39=76, Resulting Numbers: [61, 76] Generated Node #0,4,1: 51:[61, 76] Operation: 37+39=76 Exploring Operation: 61-37=24, Resulting Numbers: [39, 24] Generated Node #0,4,2: 51:[39, 24] Operation: 61-37=24 Exploring Operation: 61-39=22, Resulting Numbers: [37, 22] Generated Node #0,4,3: 51:[37, 22] Operation: 61-39=22 Exploring Operation: 39-37=2, Resulting Numbers: [61, 2] Generated Node #0,4,4: 51:[61, 2] Operation: 39-37=2 Moving to Node #0,4,4 Current State: 51:[61, 2], Operations: ['97-58=39', '39-37=2'] Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 61*2=122, Resulting Numbers: [122] 122,51 unequal: No Solution Moving to Node #0,4,3 Current State: 51:[37, 22], Operations: ['97-58=39', '61-39=22'] Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,51 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,51 unequal: No Solution Moving to Node #0,4,2 Current State: 51:[39, 24], Operations: ['97-58=39', '61-37=24'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 39*24=936, Resulting Numbers: [936] 936,51 unequal: No Solution Moving to Node #0,4,1 Current State: 51:[61, 76], Operations: ['97-58=39', '37+39=76'] Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,51 unequal: No Solution Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,51 unequal: No Solution Moving to Node #0,4,0 Current State: 51:[39, 98], Operations: ['97-58=39', '37+61=98'] Exploring Operation: 39*98=3822, Resulting Numbers: [3822] 3822,51 unequal: No Solution Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,51 unequal: No Solution Exploring Operation: 39+98=137, Resulting Numbers: [137] 137,51 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:[58, 97, 24], Operations: ['61-37=24'] Exploring Operation: 97-24=73, Resulting Numbers: [58, 73] Generated Node #0,0,0: 51:[58, 73] Operation: 97-24=73 Exploring Operation: 97-58=39, Resulting Numbers: [24, 39] Generated Node #0,0,1: 51:[24, 39] Operation: 97-58=39 Exploring Operation: 58+24=82, Resulting Numbers: [97, 82] Generated Node #0,0,2: 51:[97, 82] Operation: 58+24=82 Exploring Operation: 97+24=121, Resulting Numbers: [58, 121] Generated Node #0,0,3: 51:[58, 121] Operation: 97+24=121 Exploring Operation: 58-24=34, Resulting Numbers: [97, 34] Generated Node #0,0,4: 51:[97, 34] Operation: 58-24=34 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[24, 39], Operations: ['61-37=24', '97-58=39'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[58, 73], Operations: ['61-37=24', '97-24=73'] Exploring Operation: 58+73=131, Resulting Numbers: [131] 131,51 unequal: No Solution Exploring Operation: 73-58=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 58*73=4234, Resulting Numbers: [4234] 4234,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 51:[97, 34], Operations: ['61-37=24', '58-24=34'] Exploring Operation: 97+34=131, Resulting Numbers: [131] 131,51 unequal: No Solution Exploring Operation: 97*34=3298, Resulting Numbers: [3298] 3298,51 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[97, 82], Operations: ['61-37=24', '58+24=82'] Exploring Operation: 97+82=179, Resulting Numbers: [179] 179,51 unequal: No Solution Exploring Operation: 97*82=7954, Resulting Numbers: [7954] 7954,51 unequal: No Solution Exploring Operation: 97-82=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[58, 121], Operations: ['61-37=24', '97+24=121'] Exploring Operation: 58*121=7018, Resulting Numbers: [7018] 7018,51 unequal: No Solution Exploring Operation: 121-58=63, Resulting Numbers: [63] 63,51 unequal: No Solution Exploring Operation: 58+121=179, Resulting Numbers: [179] 179,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[61, 97, 21], Operations: ['58-37=21'] Exploring Operation: 61+21=82, Resulting Numbers: [97, 82] Generated Node #0,3,0: 51:[97, 82] Operation: 61+21=82 Exploring Operation: 97+21=118, Resulting Numbers: [61, 118] Generated Node #0,3,1: 51:[61, 118] Operation: 97+21=118 Exploring Operation: 97-21=76, Resulting Numbers: [61, 76] Generated Node #0,3,2: 51:[61, 76] Operation: 97-21=76 Exploring Operation: 61-21=40, Resulting Numbers: [97, 40] Generated Node #0,3,3: 51:[97, 40] Operation: 61-21=40 Exploring Operation: 97-61=36, Resulting Numbers: [21, 36] Generated Node #0,3,4: 51:[21, 36] Operation: 97-61=36 Moving to Node #0,3,4 Current State: 51:[21, 36], Operations: ['58-37=21', '97-61=36'] Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[61, 76], Operations: ['58-37=21', '97-21=76'] Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,51 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[97, 40], Operations: ['58-37=21', '61-21=40'] Exploring Operation: 97*40=3880, Resulting Numbers: [3880] 3880,51 unequal: No Solution Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,51 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[97, 82], Operations: ['58-37=21', '61+21=82'] Exploring Operation: 97*82=7954, Resulting Numbers: [7954] 7954,51 unequal: No Solution Exploring Operation: 97+82=179, Resulting Numbers: [179] 179,51 unequal: No Solution Exploring Operation: 97-82=15, Resulting Numbers: [15] 15,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[61, 118], Operations: ['58-37=21', '97+21=118'] Exploring Operation: 61*118=7198, Resulting Numbers: [7198] 7198,51 unequal: No Solution Exploring Operation: 61+118=179, Resulting Numbers: [179] 179,51 unequal: No Solution Exploring Operation: 118-61=57, Resulting Numbers: [57] 57,51 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
[ 70, 55, 7, 2 ]
60
[ "70/7=10", "10/2=5", "55+5=60" ]
Current State: 60:[70, 55, 7, 2], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [55, 2, 10] Generated Node #2: [55, 2, 10] from Operation: 70/7=10 Current State: 60:[55, 2, 10], Operations: ['70/7=10'] Exploring Operation: 10/2=5, Resulting Numbers: [55, 5] Generated Node #3: [55, 5] from Operation: 10/2=5 Current State: 60:[55, 5], Operations: ['70/7=10', '10/2=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[70, 55, 7, 2], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [55, 2, 10] Generated Node #0,0: 60:[55, 2, 10] Operation: 70/7=10 Exploring Operation: 70/2=35, Resulting Numbers: [55, 7, 35] Generated Node #0,1: 60:[55, 7, 35] Operation: 70/2=35 Exploring Operation: 70-55=15, Resulting Numbers: [7, 2, 15] Generated Node #0,2: 60:[7, 2, 15] Operation: 70-55=15 Exploring Operation: 70-7=63, Resulting Numbers: [55, 2, 63] Generated Node #0,3: 60:[55, 2, 63] Operation: 70-7=63 Moving to Node #0,2 Current State: 60:[7, 2, 15], Operations: ['70-55=15'] Exploring Operation: 2*15=30, Resulting Numbers: [7, 30] Generated Node #0,2,0: 60:[7, 30] Operation: 2*15=30 Exploring Operation: 7+2=9, Resulting Numbers: [15, 9] Generated Node #0,2,1: 60:[15, 9] Operation: 7+2=9 Exploring Operation: 7*2=14, Resulting Numbers: [15, 14] Generated Node #0,2,2: 60:[15, 14] Operation: 7*2=14 Exploring Operation: 7-2=5, Resulting Numbers: [15, 5] Generated Node #0,2,3: 60:[15, 5] Operation: 7-2=5 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[15, 5], Operations: ['70-55=15', '7-2=5'] Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,60 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[7, 30], Operations: ['70-55=15', '2*15=30'] Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,60 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,60 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[15, 9], Operations: ['70-55=15', '7+2=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,60 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[15, 14], Operations: ['70-55=15', '7*2=14'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,60 unequal: No Solution Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[55, 2, 10], Operations: ['70/7=10'] Exploring Operation: 55+10=65, Resulting Numbers: [2, 65] Generated Node #0,0,0: 60:[2, 65] Operation: 55+10=65 Exploring Operation: 2*10=20, Resulting Numbers: [55, 20] Generated Node #0,0,1: 60:[55, 20] Operation: 2*10=20 Exploring Operation: 2+10=12, Resulting Numbers: [55, 12] Generated Node #0,0,2: 60:[55, 12] Operation: 2+10=12 Exploring Operation: 55+2=57, Resulting Numbers: [10, 57] Generated Node #0,0,3: 60:[10, 57] Operation: 55+2=57 Moving to Node #0,3 Current State: 60:[55, 2, 63], Operations: ['70-7=63'] Exploring Operation: 63-2=61, Resulting Numbers: [55, 61] Generated Node #0,3,0: 60:[55, 61] Operation: 63-2=61 Exploring Operation: 55-2=53, Resulting Numbers: [63, 53] Generated Node #0,3,1: 60:[63, 53] Operation: 55-2=53 Exploring Operation: 55+2=57, Resulting Numbers: [63, 57] Generated Node #0,3,2: 60:[63, 57] Operation: 55+2=57 Exploring Operation: 63-55=8, Resulting Numbers: [2, 8] Generated Node #0,3,3: 60:[2, 8] Operation: 63-55=8 Moving to Node #0,1 Current State: 60:[55, 7, 35], Operations: ['70/2=35'] Exploring Operation: 35-7=28, Resulting Numbers: [55, 28] Generated Node #0,1,0: 60:[55, 28] Operation: 35-7=28 Exploring Operation: 55+7=62, Resulting Numbers: [35, 62] Generated Node #0,1,1: 60:[35, 62] Operation: 55+7=62 Exploring Operation: 35/7=5, Resulting Numbers: [55, 5] Generated Node #0,1,2: 60:[55, 5] Operation: 35/7=5 Exploring Operation: 55-35=20, Resulting Numbers: [7, 20] Generated Node #0,1,3: 60:[7, 20] Operation: 55-35=20 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 60:[7, 20], Operations: ['70/2=35', '55-35=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,60 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[55, 5], Operations: ['70/2=35', '35/7=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,60 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[70, 55, 7, 2], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [55, 7, 35] Generated Node #0,1: 60:[55, 7, 35] Operation: 70/2=35 Moving to Node #0,1 Current State: 60:[55, 7, 35], Operations: ['70/2=35'] Exploring Operation: 35/7=5, Resulting Numbers: [55, 5] Generated Node #0,1,2: 60:[55, 5] Operation: 35/7=5 Moving to Node #0,1,2 Current State: 60:[55, 5], Operations: ['70/2=35', '35/7=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_4
sum_heuristic
[ 22, 45, 32, 38 ]
70
[ "32-22=10", "45-38=7", "10*7=70" ]
Current State: 70:[22, 45, 32, 38], Operations: [] Exploring Operation: 32-22=10, Resulting Numbers: [45, 38, 10] Generated Node #2: [45, 38, 10] from Operation: 32-22=10 Current State: 70:[45, 38, 10], Operations: ['32-22=10'] Exploring Operation: 45-38=7, Resulting Numbers: [10, 7] Generated Node #3: [10, 7] from Operation: 45-38=7 Current State: 70:[10, 7], Operations: ['32-22=10', '45-38=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[22, 45, 32, 38], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [22, 32, 7] Generated Node #0,0: 70:[22, 32, 7] Operation: 45-38=7 Exploring Operation: 45-22=23, Resulting Numbers: [32, 38, 23] Generated Node #0,1: 70:[32, 38, 23] Operation: 45-22=23 Exploring Operation: 32-22=10, Resulting Numbers: [45, 38, 10] Generated Node #0,2: 70:[45, 38, 10] Operation: 32-22=10 Exploring Operation: 45-32=13, Resulting Numbers: [22, 38, 13] Generated Node #0,3: 70:[22, 38, 13] Operation: 45-32=13 Exploring Operation: 22+45=67, Resulting Numbers: [32, 38, 67] Generated Node #0,4: 70:[32, 38, 67] Operation: 22+45=67 Moving to Node #0,4 Current State: 70:[32, 38, 67], Operations: ['22+45=67'] Exploring Operation: 32+38=70, Resulting Numbers: [67, 70] Generated Node #0,4,0: 70:[67, 70] Operation: 32+38=70 Exploring Operation: 67-38=29, Resulting Numbers: [32, 29] Generated Node #0,4,1: 70:[32, 29] Operation: 67-38=29 Exploring Operation: 67-32=35, Resulting Numbers: [38, 35] Generated Node #0,4,2: 70:[38, 35] Operation: 67-32=35 Exploring Operation: 38-32=6, Resulting Numbers: [67, 6] Generated Node #0,4,3: 70:[67, 6] Operation: 38-32=6 Exploring Operation: 32+67=99, Resulting Numbers: [38, 99] Generated Node #0,4,4: 70:[38, 99] Operation: 32+67=99 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 70:[67, 70], Operations: ['22+45=67', '32+38=70'] Exploring Operation: 67*70=4690, Resulting Numbers: [4690] 4690,70 unequal: No Solution Exploring Operation: 67+70=137, Resulting Numbers: [137] 137,70 unequal: No Solution Exploring Operation: 70-67=3, Resulting Numbers: [3] 3,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 70:[38, 35], Operations: ['22+45=67', '67-32=35'] Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 38+35=73, Resulting Numbers: [73] 73,70 unequal: No Solution Exploring Operation: 38*35=1330, Resulting Numbers: [1330] 1330,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 70:[67, 6], Operations: ['22+45=67', '38-32=6'] Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,70 unequal: No Solution Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,70 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 70:[32, 29], Operations: ['22+45=67', '67-38=29'] Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,70 unequal: No Solution Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,70 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 70:[38, 99], Operations: ['22+45=67', '32+67=99'] Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,70 unequal: No Solution Exploring Operation: 38*99=3762, Resulting Numbers: [3762] 3762,70 unequal: No Solution Exploring Operation: 38+99=137, Resulting Numbers: [137] 137,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 70:[22, 32, 7], Operations: ['45-38=7'] Exploring Operation: 22+32=54, Resulting Numbers: [7, 54] Generated Node #0,0,0: 70:[7, 54] Operation: 22+32=54 Exploring Operation: 32-22=10, Resulting Numbers: [7, 10] Generated Node #0,0,1: 70:[7, 10] Operation: 32-22=10 Exploring Operation: 22-7=15, Resulting Numbers: [32, 15] Generated Node #0,0,2: 70:[32, 15] Operation: 22-7=15 Exploring Operation: 22+7=29, Resulting Numbers: [32, 29] Generated Node #0,0,3: 70:[32, 29] Operation: 22+7=29 Exploring Operation: 32+7=39, Resulting Numbers: [22, 39] Generated Node #0,0,4: 70:[22, 39] Operation: 32+7=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[7, 10], Operations: ['45-38=7', '32-22=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[22, 45, 32, 38], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [22, 32, 7] Generated Node #0,0: 70:[22, 32, 7] Operation: 45-38=7 Moving to Node #0,0 Current State: 70:[22, 32, 7], Operations: ['45-38=7'] Exploring Operation: 32-22=10, Resulting Numbers: [7, 10] Generated Node #0,0,1: 70:[7, 10] Operation: 32-22=10 Moving to Node #0,0,1 Current State: 70:[7, 10], Operations: ['45-38=7', '32-22=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 22, 63, 60, 20 ]
93
[ "22-20=2", "60/2=30", "63+30=93" ]
Current State: 93:[22, 63, 60, 20], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [63, 60, 2] Generated Node #2: [63, 60, 2] from Operation: 22-20=2 Current State: 93:[63, 60, 2], Operations: ['22-20=2'] Exploring Operation: 60/2=30, Resulting Numbers: [63, 30] Generated Node #3: [63, 30] from Operation: 60/2=30 Current State: 93:[63, 30], Operations: ['22-20=2', '60/2=30'] Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[22, 63, 60, 20], Operations: [] Exploring Operation: 63-60=3, Resulting Numbers: [22, 20, 3] Generated Node #0,0: 93:[22, 20, 3] Operation: 63-60=3 Exploring Operation: 60/20=3, Resulting Numbers: [22, 63, 3] Generated Node #0,1: 93:[22, 63, 3] Operation: 60/20=3 Moving to Node #0,0 Current State: 93:[22, 20, 3], Operations: ['63-60=3'] Exploring Operation: 22-20=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 93:[3, 2] Operation: 22-20=2 Exploring Operation: 22+20=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 93:[3, 42] Operation: 22+20=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[3, 2], Operations: ['63-60=3', '22-20=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,93 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:[3, 42], Operations: ['63-60=3', '22+20=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,93 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: 93:[22, 63, 3], Operations: ['60/20=3'] Exploring Operation: 63-22=41, Resulting Numbers: [3, 41] Generated Node #0,1,0: 93:[3, 41] Operation: 63-22=41 Exploring Operation: 22+63=85, Resulting Numbers: [3, 85] Generated Node #0,1,1: 93:[3, 85] Operation: 22+63=85 Moving to Node #0,1,1 Current State: 93:[3, 85], Operations: ['60/20=3', '22+63=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,93 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[3, 41], Operations: ['60/20=3', '63-22=41'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,93 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 14, 78, 34, 88 ]
11
[ "14*88=1232", "78+34=112", "1232/112=11" ]
Current State: 11:[14, 78, 34, 88], Operations: [] Exploring Operation: 14*88=1232, Resulting Numbers: [78, 34, 1232] Generated Node #2: [78, 34, 1232] from Operation: 14*88=1232 Current State: 11:[78, 34, 1232], Operations: ['14*88=1232'] Exploring Operation: 78+34=112, Resulting Numbers: [1232, 112] Generated Node #3: [1232, 112] from Operation: 78+34=112 Current State: 11:[1232, 112], Operations: ['14*88=1232', '78+34=112'] Exploring Operation: 1232/112=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[14, 78, 34, 88], Operations: [] Exploring Operation: 88-78=10, Resulting Numbers: [14, 34, 10] Generated Node #0,0: 11:[14, 34, 10] Operation: 88-78=10 Exploring Operation: 88-34=54, Resulting Numbers: [14, 78, 54] Generated Node #0,1: 11:[14, 78, 54] Operation: 88-34=54 Exploring Operation: 78-34=44, Resulting Numbers: [14, 88, 44] Generated Node #0,2: 11:[14, 88, 44] Operation: 78-34=44 Moving to Node #0,0 Current State: 11:[14, 34, 10], Operations: ['88-78=10'] Exploring Operation: 14-10=4, Resulting Numbers: [34, 4] Generated Node #0,0,0: 11:[34, 4] Operation: 14-10=4 Exploring Operation: 34-14=20, Resulting Numbers: [10, 20] Generated Node #0,0,1: 11:[10, 20] Operation: 34-14=20 Exploring Operation: 34-10=24, Resulting Numbers: [14, 24] Generated Node #0,0,2: 11:[14, 24] Operation: 34-10=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[10, 20], Operations: ['88-78=10', '34-14=20'] Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 20-10=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 #0,0,2 Current State: 11:[14, 24], Operations: ['88-78=10', '34-10=24'] Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,11 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 24-14=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 #0,0,0 Current State: 11:[34, 4], Operations: ['88-78=10', '14-10=4'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,11 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: 11:[14, 78, 54], Operations: ['88-34=54'] Exploring Operation: 78-54=24, Resulting Numbers: [14, 24] Generated Node #0,1,0: 11:[14, 24] Operation: 78-54=24 Exploring Operation: 54-14=40, Resulting Numbers: [78, 40] Generated Node #0,1,1: 11:[78, 40] Operation: 54-14=40 Exploring Operation: 78-14=64, Resulting Numbers: [54, 64] Generated Node #0,1,2: 11:[54, 64] Operation: 78-14=64 Moving to Node #0,2 Current State: 11:[14, 88, 44], Operations: ['78-34=44'] Exploring Operation: 88-44=44, Resulting Numbers: [14, 44] Generated Node #0,2,0: 11:[14, 44] Operation: 88-44=44 Exploring Operation: 88-14=74, Resulting Numbers: [44, 74] Generated Node #0,2,1: 11:[44, 74] Operation: 88-14=74 Exploring Operation: 88/44=2, Resulting Numbers: [14, 2] Generated Node #0,2,2: 11:[14, 2] Operation: 88/44=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[14, 2], Operations: ['78-34=44', '88/44=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,11 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 #0,2,0 Current State: 11:[14, 44], Operations: ['78-34=44', '88-44=44'] Exploring Operation: 14+44=58, Resulting Numbers: [58] 58,11 unequal: No Solution Exploring Operation: 14*44=616, Resulting Numbers: [616] 616,11 unequal: No Solution Exploring Operation: 44-14=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 #0,2,1 Current State: 11:[44, 74], Operations: ['78-34=44', '88-14=74'] Exploring Operation: 44*74=3256, Resulting Numbers: [3256] 3256,11 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,11 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: 11:[14, 24], Operations: ['88-34=54', '78-54=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,11 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[78, 40], Operations: ['88-34=54', '54-14=40'] Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,11 unequal: No Solution Exploring Operation: 78+40=118, Resulting Numbers: [118] 118,11 unequal: No Solution Exploring Operation: 78*40=3120, Resulting Numbers: [3120] 3120,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[54, 64], Operations: ['88-34=54', '78-14=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,11 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,11 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 51, 84, 39, 56 ]
18
[ "51-39=12", "84*12=1008", "1008/56=18" ]
Current State: 18:[51, 84, 39, 56], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [84, 56, 12] Generated Node #2: [84, 56, 12] from Operation: 51-39=12 Current State: 18:[84, 56, 12], Operations: ['51-39=12'] Exploring Operation: 84*12=1008, Resulting Numbers: [56, 1008] Generated Node #3: [56, 1008] from Operation: 84*12=1008 Current State: 18:[56, 1008], Operations: ['51-39=12', '84*12=1008'] Exploring Operation: 1008/56=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[51, 84, 39, 56], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [51, 39, 28] Generated Node #0,0: 18:[51, 39, 28] Operation: 84-56=28 Exploring Operation: 56-51=5, Resulting Numbers: [84, 39, 5] Generated Node #0,1: 18:[84, 39, 5] Operation: 56-51=5 Exploring Operation: 84-51=33, Resulting Numbers: [39, 56, 33] Generated Node #0,2: 18:[39, 56, 33] Operation: 84-51=33 Moving to Node #0,0 Current State: 18:[51, 39, 28], Operations: ['84-56=28'] Exploring Operation: 51-39=12, Resulting Numbers: [28, 12] Generated Node #0,0,0: 18:[28, 12] Operation: 51-39=12 Exploring Operation: 39-28=11, Resulting Numbers: [51, 11] Generated Node #0,0,1: 18:[51, 11] Operation: 39-28=11 Exploring Operation: 51-28=23, Resulting Numbers: [39, 23] Generated Node #0,0,2: 18:[39, 23] Operation: 51-28=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[28, 12], Operations: ['84-56=28', '51-39=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,18 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[39, 23], Operations: ['84-56=28', '51-28=23'] Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,18 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[51, 11], Operations: ['84-56=28', '39-28=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,18 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 18:[39, 56, 33], Operations: ['84-51=33'] Exploring Operation: 56-33=23, Resulting Numbers: [39, 23] Generated Node #0,2,0: 18:[39, 23] Operation: 56-33=23 Exploring Operation: 56-39=17, Resulting Numbers: [33, 17] Generated Node #0,2,1: 18:[33, 17] Operation: 56-39=17 Exploring Operation: 39-33=6, Resulting Numbers: [56, 6] Generated Node #0,2,2: 18:[56, 6] Operation: 39-33=6 Moving to Node #0,1 Current State: 18:[84, 39, 5], Operations: ['56-51=5'] Exploring Operation: 84-5=79, Resulting Numbers: [39, 79] Generated Node #0,1,0: 18:[39, 79] Operation: 84-5=79 Exploring Operation: 39-5=34, Resulting Numbers: [84, 34] Generated Node #0,1,1: 18:[84, 34] Operation: 39-5=34 Exploring Operation: 84-39=45, Resulting Numbers: [5, 45] Generated Node #0,1,2: 18:[5, 45] Operation: 84-39=45 Moving to Node #0,2,1 Current State: 18:[33, 17], Operations: ['84-51=33', '56-39=17'] Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,18 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[39, 23], Operations: ['84-51=33', '56-33=23'] Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,18 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[5, 45], Operations: ['56-51=5', '84-39=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[56, 6], Operations: ['84-51=33', '39-33=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,18 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[84, 34], Operations: ['56-51=5', '39-5=34'] Exploring Operation: 84*34=2856, Resulting Numbers: [2856] 2856,18 unequal: No Solution Exploring Operation: 84+34=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[39, 79], Operations: ['56-51=5', '84-5=79'] Exploring Operation: 39+79=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 39*79=3081, Resulting Numbers: [3081] 3081,18 unequal: No Solution Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,18 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 12, 55, 25, 57 ]
75
[ "55-12=43", "57-25=32", "43+32=75" ]
Current State: 75:[12, 55, 25, 57], Operations: [] Exploring Operation: 55-12=43, Resulting Numbers: [25, 57, 43] Generated Node #2: [25, 57, 43] from Operation: 55-12=43 Current State: 75:[25, 57, 43], Operations: ['55-12=43'] Exploring Operation: 57-25=32, Resulting Numbers: [43, 32] Generated Node #3: [43, 32] from Operation: 57-25=32 Current State: 75:[43, 32], Operations: ['55-12=43', '57-25=32'] Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[12, 55, 25, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [12, 25, 2] Generated Node #0,0: 75:[12, 25, 2] Operation: 57-55=2 Exploring Operation: 12+55=67, Resulting Numbers: [25, 57, 67] Generated Node #0,1: 75:[25, 57, 67] Operation: 12+55=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[12, 25, 2], Operations: ['57-55=2'] Exploring Operation: 12*2=24, Resulting Numbers: [25, 24] Generated Node #0,0,0: 75:[25, 24] Operation: 12*2=24 Exploring Operation: 12+2=14, Resulting Numbers: [25, 14] Generated Node #0,0,1: 75:[25, 14] Operation: 12+2=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[25, 24], Operations: ['57-55=2', '12*2=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,75 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[25, 14], Operations: ['57-55=2', '12+2=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[25, 57, 67], Operations: ['12+55=67'] Exploring Operation: 67-57=10, Resulting Numbers: [25, 10] Generated Node #0,1,0: 75:[25, 10] Operation: 67-57=10 Exploring Operation: 25+57=82, Resulting Numbers: [67, 82] Generated Node #0,1,1: 75:[67, 82] Operation: 25+57=82 Moving to Node #0,1,0 Current State: 75:[25, 10], Operations: ['12+55=67', '67-57=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[67, 82], Operations: ['12+55=67', '25+57=82'] Exploring Operation: 67+82=149, Resulting Numbers: [149] 149,75 unequal: No Solution Exploring Operation: 82-67=15, Resulting Numbers: [15] 15,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 23, 68, 6, 54 ]
61
[ "68-54=14", "6*14=84", "84-23=61" ]
Current State: 61:[23, 68, 6, 54], Operations: [] Exploring Operation: 68-54=14, Resulting Numbers: [23, 6, 14] Generated Node #2: [23, 6, 14] from Operation: 68-54=14 Current State: 61:[23, 6, 14], Operations: ['68-54=14'] Exploring Operation: 6*14=84, Resulting Numbers: [23, 84] Generated Node #3: [23, 84] from Operation: 6*14=84 Current State: 61:[23, 84], Operations: ['68-54=14', '6*14=84'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[23, 68, 6, 54], Operations: [] Exploring Operation: 23+6=29, Resulting Numbers: [68, 54, 29] Generated Node #0,0: 61:[68, 54, 29] Operation: 23+6=29 Exploring Operation: 68-6=62, Resulting Numbers: [23, 54, 62] Generated Node #0,1: 61:[23, 54, 62] Operation: 68-6=62 Moving to Node #0,0 Current State: 61:[68, 54, 29], Operations: ['23+6=29'] Exploring Operation: 54+29=83, Resulting Numbers: [68, 83] Generated Node #0,0,0: 61:[68, 83] Operation: 54+29=83 Exploring Operation: 68-29=39, Resulting Numbers: [54, 39] Generated Node #0,0,1: 61:[54, 39] Operation: 68-29=39 Moving to Node #0,1 Current State: 61:[23, 54, 62], Operations: ['68-6=62'] Exploring Operation: 62-23=39, Resulting Numbers: [54, 39] Generated Node #0,1,0: 61:[54, 39] Operation: 62-23=39 Exploring Operation: 23+54=77, Resulting Numbers: [62, 77] Generated Node #0,1,1: 61:[62, 77] Operation: 23+54=77 Moving to Node #0,1,1 Current State: 61:[62, 77], Operations: ['68-6=62', '23+54=77'] Exploring Operation: 62+77=139, Resulting Numbers: [139] 139,61 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[68, 83], Operations: ['23+6=29', '54+29=83'] Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 68+83=151, Resulting Numbers: [151] 151,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[54, 39], Operations: ['23+6=29', '68-29=39'] Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,61 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[54, 39], Operations: ['68-6=62', '62-23=39'] Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,61 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 38, 43, 19, 8 ]
57
[ "43-38=5", "8-5=3", "19*3=57" ]
Current State: 57:[38, 43, 19, 8], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [19, 8, 5] Generated Node #2: [19, 8, 5] from Operation: 43-38=5 Current State: 57:[19, 8, 5], Operations: ['43-38=5'] Exploring Operation: 8-5=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 8-5=3 Current State: 57:[19, 3], Operations: ['43-38=5', '8-5=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[38, 43, 19, 8], Operations: [] Exploring Operation: 38+19=57, Resulting Numbers: [43, 8, 57] Generated Node #0,0: 57:[43, 8, 57] Operation: 38+19=57 Exploring Operation: 43-38=5, Resulting Numbers: [19, 8, 5] Generated Node #0,1: 57:[19, 8, 5] Operation: 43-38=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[19, 8, 5], Operations: ['43-38=5'] Exploring Operation: 8-5=3, Resulting Numbers: [19, 3] Generated Node #0,1,0: 57:[19, 3] Operation: 8-5=3 Exploring Operation: 8+5=13, Resulting Numbers: [19, 13] Generated Node #0,1,1: 57:[19, 13] Operation: 8+5=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[19, 3], Operations: ['43-38=5', '8-5=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[38, 43, 19, 8], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [19, 8, 5] Generated Node #0,1: 57:[19, 8, 5] Operation: 43-38=5 Moving to Node #0,1 Current State: 57:[19, 8, 5], Operations: ['43-38=5'] Exploring Operation: 8-5=3, Resulting Numbers: [19, 3] Generated Node #0,1,0: 57:[19, 3] Operation: 8-5=3 Moving to Node #0,1,0 Current State: 57:[19, 3], Operations: ['43-38=5', '8-5=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 75, 15, 28, 55 ]
32
[ "75/15=5", "55-28=27", "5+27=32" ]
Current State: 32:[75, 15, 28, 55], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [28, 55, 5] Generated Node #2: [28, 55, 5] from Operation: 75/15=5 Current State: 32:[28, 55, 5], Operations: ['75/15=5'] Exploring Operation: 55-28=27, Resulting Numbers: [5, 27] Generated Node #3: [5, 27] from Operation: 55-28=27 Current State: 32:[5, 27], Operations: ['75/15=5', '55-28=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[75, 15, 28, 55], Operations: [] Exploring Operation: 75-28=47, Resulting Numbers: [15, 55, 47] Generated Node #0,0: 32:[15, 55, 47] Operation: 75-28=47 Exploring Operation: 75-55=20, Resulting Numbers: [15, 28, 20] Generated Node #0,1: 32:[15, 28, 20] Operation: 75-55=20 Exploring Operation: 75/15=5, Resulting Numbers: [28, 55, 5] Generated Node #0,2: 32:[28, 55, 5] Operation: 75/15=5 Moving to Node #0,1 Current State: 32:[15, 28, 20], Operations: ['75-55=20'] Exploring Operation: 28-20=8, Resulting Numbers: [15, 8] Generated Node #0,1,0: 32:[15, 8] Operation: 28-20=8 Exploring Operation: 28-15=13, Resulting Numbers: [20, 13] Generated Node #0,1,1: 32:[20, 13] Operation: 28-15=13 Exploring Operation: 20-15=5, Resulting Numbers: [28, 5] Generated Node #0,1,2: 32:[28, 5] Operation: 20-15=5 Moving to Node #0,2 Current State: 32:[28, 55, 5], Operations: ['75/15=5'] Exploring Operation: 55-28=27, Resulting Numbers: [5, 27] Generated Node #0,2,0: 32:[5, 27] Operation: 55-28=27 Exploring Operation: 55-5=50, Resulting Numbers: [28, 50] Generated Node #0,2,1: 32:[28, 50] Operation: 55-5=50 Exploring Operation: 55/5=11, Resulting Numbers: [28, 11] Generated Node #0,2,2: 32:[28, 11] Operation: 55/5=11 Moving to Node #0,0 Current State: 32:[15, 55, 47], Operations: ['75-28=47'] Exploring Operation: 55-47=8, Resulting Numbers: [15, 8] Generated Node #0,0,0: 32:[15, 8] Operation: 55-47=8 Exploring Operation: 55-15=40, Resulting Numbers: [47, 40] Generated Node #0,0,1: 32:[47, 40] Operation: 55-15=40 Exploring Operation: 47-15=32, Resulting Numbers: [55, 32] Generated Node #0,0,2: 32:[55, 32] Operation: 47-15=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[15, 8], Operations: ['75-28=47', '55-47=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[47, 40], Operations: ['75-28=47', '55-15=40'] Exploring Operation: 47*40=1880, Resulting Numbers: [1880] 1880,32 unequal: No Solution Exploring Operation: 47+40=87, Resulting Numbers: [87] 87,32 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 32:[55, 32], Operations: ['75-28=47', '47-15=32'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 55*32=1760, Resulting Numbers: [1760] 1760,32 unequal: No Solution Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,32 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: 32:[15, 8], Operations: ['75-55=20', '28-20=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[28, 5], Operations: ['75-55=20', '20-15=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,32 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,32 unequal: No Solution Moving to Node #0,2,0 Current State: 32:[5, 27], Operations: ['75/15=5', '55-28=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[75, 15, 28, 55], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [28, 55, 5] Generated Node #0,2: 32:[28, 55, 5] Operation: 75/15=5 Moving to Node #0,2 Current State: 32:[28, 55, 5], Operations: ['75/15=5'] Exploring Operation: 55-28=27, Resulting Numbers: [5, 27] Generated Node #0,2,0: 32:[5, 27] Operation: 55-28=27 Moving to Node #0,2,0 Current State: 32:[5, 27], Operations: ['75/15=5', '55-28=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.971354
hs_3
sum_heuristic