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
[ 30, 4, 2, 25 ]
36
[ "30/2=15", "25-4=21", "15+21=36" ]
Current State: 36:[30, 4, 2, 25], Operations: [] Exploring Operation: 30/2=15, Resulting Numbers: [4, 25, 15] Generated Node #2: [4, 25, 15] from Operation: 30/2=15 Current State: 36:[4, 25, 15], Operations: ['30/2=15'] Exploring Operation: 25-4=21, Resulting Numbers: [15, 21] Generated Node #3: [15, 21] from Operation: 25-4=21 Current State: 36:[15, 21], Operations: ['30/2=15', '25-4=21'] Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[30, 4, 2, 25], Operations: [] Exploring Operation: 25-4=21, Resulting Numbers: [30, 2, 21] Generated Node #0,0: 36:[30, 2, 21] Operation: 25-4=21 Exploring Operation: 30-25=5, Resulting Numbers: [4, 2, 5] Generated Node #0,1: 36:[4, 2, 5] Operation: 30-25=5 Exploring Operation: 30+4=34, Resulting Numbers: [2, 25, 34] Generated Node #0,2: 36:[2, 25, 34] Operation: 30+4=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[4, 2, 5], Operations: ['30-25=5'] Exploring Operation: 4+2=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 36:[5, 6] Operation: 4+2=6 Exploring Operation: 5-2=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 36:[4, 3] Operation: 5-2=3 Exploring Operation: 4+5=9, Resulting Numbers: [2, 9] Generated Node #0,1,2: 36:[2, 9] Operation: 4+5=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[4, 3], Operations: ['30-25=5', '5-2=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[2, 9], Operations: ['30-25=5', '4+5=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[5, 6], Operations: ['30-25=5', '4+2=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[30, 2, 21], Operations: ['25-4=21'] Exploring Operation: 30-21=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 36:[2, 9] Operation: 30-21=9 Exploring Operation: 30/2=15, Resulting Numbers: [21, 15] Generated Node #0,0,1: 36:[21, 15] Operation: 30/2=15 Exploring Operation: 30+2=32, Resulting Numbers: [21, 32] Generated Node #0,0,2: 36:[21, 32] Operation: 30+2=32 Moving to Node #0,0,0 Current State: 36:[2, 9], Operations: ['25-4=21', '30-21=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[21, 15], Operations: ['25-4=21', '30/2=15'] Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,36 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[30, 4, 2, 25], Operations: [] Exploring Operation: 25-4=21, Resulting Numbers: [30, 2, 21] Generated Node #0,0: 36:[30, 2, 21] Operation: 25-4=21 Moving to Node #0,0 Current State: 36:[30, 2, 21], Operations: ['25-4=21'] Exploring Operation: 30/2=15, Resulting Numbers: [21, 15] Generated Node #0,0,1: 36:[21, 15] Operation: 30/2=15 Moving to Node #0,0,1 Current State: 36:[21, 15], Operations: ['25-4=21', '30/2=15'] Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 24, 36, 26, 27 ]
18
[ "26-24=2", "36-27=9", "2*9=18" ]
Current State: 18:[24, 36, 26, 27], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [36, 27, 2] Generated Node #2: [36, 27, 2] from Operation: 26-24=2 Current State: 18:[36, 27, 2], Operations: ['26-24=2'] Exploring Operation: 36-27=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 36-27=9 Current State: 18:[2, 9], Operations: ['26-24=2', '36-27=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[24, 36, 26, 27], Operations: [] Exploring Operation: 36-27=9, Resulting Numbers: [24, 26, 9] Generated Node #0,0: 18:[24, 26, 9] Operation: 36-27=9 Exploring Operation: 36-26=10, Resulting Numbers: [24, 27, 10] Generated Node #0,1: 18:[24, 27, 10] Operation: 36-26=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[24, 26, 9], Operations: ['36-27=9'] Exploring Operation: 26-9=17, Resulting Numbers: [24, 17] Generated Node #0,0,0: 18:[24, 17] Operation: 26-9=17 Exploring Operation: 26-24=2, Resulting Numbers: [9, 2] Generated Node #0,0,1: 18:[9, 2] Operation: 26-24=2 Moving to Node #0,0,1 Current State: 18:[9, 2], Operations: ['36-27=9', '26-24=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[24, 36, 26, 27], Operations: [] Exploring Operation: 36-27=9, Resulting Numbers: [24, 26, 9] Generated Node #0,0: 18:[24, 26, 9] Operation: 36-27=9 Moving to Node #0,0 Current State: 18:[24, 26, 9], Operations: ['36-27=9'] Exploring Operation: 26-24=2, Resulting Numbers: [9, 2] Generated Node #0,0,1: 18:[9, 2] Operation: 26-24=2 Moving to Node #0,0,1 Current State: 18:[9, 2], Operations: ['36-27=9', '26-24=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 45, 37, 39, 25 ]
40
[ "45-25=20", "39-37=2", "20*2=40" ]
Current State: 40:[45, 37, 39, 25], Operations: [] Exploring Operation: 45-25=20, Resulting Numbers: [37, 39, 20] Generated Node #2: [37, 39, 20] from Operation: 45-25=20 Current State: 40:[37, 39, 20], Operations: ['45-25=20'] Exploring Operation: 39-37=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 39-37=2 Current State: 40:[20, 2], Operations: ['45-25=20', '39-37=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[45, 37, 39, 25], Operations: [] Exploring Operation: 45-25=20, Resulting Numbers: [37, 39, 20] Generated Node #0,0: 40:[37, 39, 20] Operation: 45-25=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[37, 39, 20], Operations: ['45-25=20'] Exploring Operation: 39-37=2, Resulting Numbers: [20, 2] Generated Node #0,0,0: 40:[20, 2] Operation: 39-37=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[20, 2], Operations: ['45-25=20', '39-37=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[45, 37, 39, 25], Operations: [] Exploring Operation: 45-25=20, Resulting Numbers: [37, 39, 20] Generated Node #0,0: 40:[37, 39, 20] Operation: 45-25=20 Moving to Node #0,0 Current State: 40:[37, 39, 20], Operations: ['45-25=20'] Exploring Operation: 39-37=2, Resulting Numbers: [20, 2] Generated Node #0,0,0: 40:[20, 2] Operation: 39-37=2 Moving to Node #0,0,0 Current State: 40:[20, 2], Operations: ['45-25=20', '39-37=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 69, 56, 5, 94 ]
29
[ "69-56=13", "5*13=65", "94-65=29" ]
Current State: 29:[69, 56, 5, 94], Operations: [] Exploring Operation: 69-56=13, Resulting Numbers: [5, 94, 13] Generated Node #2: [5, 94, 13] from Operation: 69-56=13 Current State: 29:[5, 94, 13], Operations: ['69-56=13'] Exploring Operation: 5*13=65, Resulting Numbers: [94, 65] Generated Node #3: [94, 65] from Operation: 5*13=65 Current State: 29:[94, 65], Operations: ['69-56=13', '5*13=65'] Exploring Operation: 94-65=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[69, 56, 5, 94], Operations: [] Exploring Operation: 94-69=25, Resulting Numbers: [56, 5, 25] Generated Node #0,0: 29:[56, 5, 25] Operation: 94-69=25 Exploring Operation: 94-56=38, Resulting Numbers: [69, 5, 38] Generated Node #0,1: 29:[69, 5, 38] Operation: 94-56=38 Exploring Operation: 69-56=13, Resulting Numbers: [5, 94, 13] Generated Node #0,2: 29:[5, 94, 13] Operation: 69-56=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[56, 5, 25], Operations: ['94-69=25'] Exploring Operation: 5+25=30, Resulting Numbers: [56, 30] Generated Node #0,0,0: 29:[56, 30] Operation: 5+25=30 Exploring Operation: 56-25=31, Resulting Numbers: [5, 31] Generated Node #0,0,1: 29:[5, 31] Operation: 56-25=31 Exploring Operation: 56-5=51, Resulting Numbers: [25, 51] Generated Node #0,0,2: 29:[25, 51] Operation: 56-5=51 Moving to Node #0,0,1 Current State: 29:[5, 31], Operations: ['94-69=25', '56-25=31'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,29 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[25, 51], Operations: ['94-69=25', '56-5=51'] Exploring Operation: 25+51=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 25*51=1275, Resulting Numbers: [1275] 1275,29 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[56, 30], Operations: ['94-69=25', '5+25=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,29 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[69, 5, 38], Operations: ['94-56=38'] Exploring Operation: 69-38=31, Resulting Numbers: [5, 31] Generated Node #0,1,0: 29:[5, 31] Operation: 69-38=31 Exploring Operation: 38-5=33, Resulting Numbers: [69, 33] Generated Node #0,1,1: 29:[69, 33] Operation: 38-5=33 Exploring Operation: 69-5=64, Resulting Numbers: [38, 64] Generated Node #0,1,2: 29:[38, 64] Operation: 69-5=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[5, 31], Operations: ['94-56=38', '69-38=31'] Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,29 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 29:[69, 33], Operations: ['94-56=38', '38-5=33'] Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,29 unequal: No Solution Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[38, 64], Operations: ['94-56=38', '69-5=64'] Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,29 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[5, 94, 13], Operations: ['69-56=13'] Exploring Operation: 5+13=18, Resulting Numbers: [94, 18] Generated Node #0,2,0: 29:[94, 18] Operation: 5+13=18 Exploring Operation: 94-5=89, Resulting Numbers: [13, 89] Generated Node #0,2,1: 29:[13, 89] Operation: 94-5=89 Exploring Operation: 94-13=81, Resulting Numbers: [5, 81] Generated Node #0,2,2: 29:[5, 81] Operation: 94-13=81 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[94, 18], Operations: ['69-56=13', '5+13=18'] Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,29 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:[13, 89], Operations: ['69-56=13', '94-5=89'] Exploring Operation: 13+89=102, Resulting Numbers: [102] 102,29 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 13*89=1157, Resulting Numbers: [1157] 1157,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[5, 81], Operations: ['69-56=13', '94-13=81'] Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,29 unequal: No Solution Exploring Operation: 5*81=405, Resulting Numbers: [405] 405,29 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 8, 1, 13, 10 ]
95
[ "8*13=104", "10-1=9", "104-9=95" ]
Current State: 95:[8, 1, 13, 10], Operations: [] Exploring Operation: 8*13=104, Resulting Numbers: [1, 10, 104] Generated Node #2: [1, 10, 104] from Operation: 8*13=104 Current State: 95:[1, 10, 104], Operations: ['8*13=104'] Exploring Operation: 10-1=9, Resulting Numbers: [104, 9] Generated Node #3: [104, 9] from Operation: 10-1=9 Current State: 95:[104, 9], Operations: ['8*13=104', '10-1=9'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[8, 1, 13, 10], Operations: [] Exploring Operation: 13-8=5, Resulting Numbers: [1, 10, 5] Generated Node #0,0: 95:[1, 10, 5] Operation: 13-8=5 Exploring Operation: 13-10=3, Resulting Numbers: [8, 1, 3] Generated Node #0,1: 95:[8, 1, 3] Operation: 13-10=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[1, 10, 5], Operations: ['13-8=5'] Exploring Operation: 10-5=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 95:[1, 5] Operation: 10-5=5 Exploring Operation: 10-1=9, Resulting Numbers: [5, 9] Generated Node #0,0,1: 95:[5, 9] Operation: 10-1=9 Moving to Node #0,0,0 Current State: 95:[1, 5], Operations: ['13-8=5', '10-5=5'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[5, 9], Operations: ['13-8=5', '10-1=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,95 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 #0,1 Current State: 95:[8, 1, 3], Operations: ['13-10=3'] Exploring Operation: 8-3=5, Resulting Numbers: [1, 5] Generated Node #0,1,0: 95:[1, 5] Operation: 8-3=5 Exploring Operation: 8-1=7, Resulting Numbers: [3, 7] Generated Node #0,1,1: 95:[3, 7] Operation: 8-1=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[1, 5], Operations: ['13-10=3', '8-3=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[3, 7], Operations: ['13-10=3', '8-1=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,95 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 11, 84, 51, 56 ]
29
[ "56-51=5", "11*5=55", "84-55=29" ]
Current State: 29:[11, 84, 51, 56], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [11, 84, 5] Generated Node #2: [11, 84, 5] from Operation: 56-51=5 Current State: 29:[11, 84, 5], Operations: ['56-51=5'] Exploring Operation: 11*5=55, Resulting Numbers: [84, 55] Generated Node #3: [84, 55] from Operation: 11*5=55 Current State: 29:[84, 55], Operations: ['56-51=5', '11*5=55'] Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[11, 84, 51, 56], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [11, 56, 33] Generated Node #0,0: 29:[11, 56, 33] Operation: 84-51=33 Exploring Operation: 51-11=40, Resulting Numbers: [84, 56, 40] Generated Node #0,1: 29:[84, 56, 40] Operation: 51-11=40 Exploring Operation: 84-56=28, Resulting Numbers: [11, 51, 28] Generated Node #0,2: 29:[11, 51, 28] Operation: 84-56=28 Exploring Operation: 84-11=73, Resulting Numbers: [51, 56, 73] Generated Node #0,3: 29:[51, 56, 73] Operation: 84-11=73 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[11, 51, 28], Operations: ['84-56=28'] Exploring Operation: 51-28=23, Resulting Numbers: [11, 23] Generated Node #0,2,0: 29:[11, 23] Operation: 51-28=23 Exploring Operation: 11+28=39, Resulting Numbers: [51, 39] Generated Node #0,2,1: 29:[51, 39] Operation: 11+28=39 Exploring Operation: 51-11=40, Resulting Numbers: [28, 40] Generated Node #0,2,2: 29:[28, 40] Operation: 51-11=40 Exploring Operation: 11+51=62, Resulting Numbers: [28, 62] Generated Node #0,2,3: 29:[28, 62] Operation: 11+51=62 Moving to Node #0,2,2 Current State: 29:[28, 40], Operations: ['84-56=28', '51-11=40'] Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[11, 23], Operations: ['84-56=28', '51-28=23'] Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[51, 39], Operations: ['84-56=28', '11+28=39'] Exploring Operation: 51+39=90, Resulting Numbers: [90] 90,29 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 51*39=1989, Resulting Numbers: [1989] 1989,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[28, 62], Operations: ['84-56=28', '11+51=62'] Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 28*62=1736, Resulting Numbers: [1736] 1736,29 unequal: No Solution Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[11, 56, 33], Operations: ['84-51=33'] Exploring Operation: 56-33=23, Resulting Numbers: [11, 23] Generated Node #0,0,0: 29:[11, 23] Operation: 56-33=23 Exploring Operation: 56-11=45, Resulting Numbers: [33, 45] Generated Node #0,0,1: 29:[33, 45] Operation: 56-11=45 Exploring Operation: 33-11=22, Resulting Numbers: [56, 22] Generated Node #0,0,2: 29:[56, 22] Operation: 33-11=22 Exploring Operation: 11+56=67, Resulting Numbers: [33, 67] Generated Node #0,0,3: 29:[33, 67] Operation: 11+56=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[33, 45], Operations: ['84-51=33', '56-11=45'] Exploring Operation: 33*45=1485, Resulting Numbers: [1485] 1485,29 unequal: No Solution Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[11, 23], Operations: ['84-51=33', '56-33=23'] Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,29 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[56, 22], Operations: ['84-51=33', '33-11=22'] Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,29 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[33, 67], Operations: ['84-51=33', '11+56=67'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,29 unequal: No Solution Exploring Operation: 33*67=2211, Resulting Numbers: [2211] 2211,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[84, 56, 40], Operations: ['51-11=40'] Exploring Operation: 84-56=28, Resulting Numbers: [40, 28] Generated Node #0,1,0: 29:[40, 28] Operation: 84-56=28 Exploring Operation: 84-40=44, Resulting Numbers: [56, 44] Generated Node #0,1,1: 29:[56, 44] Operation: 84-40=44 Exploring Operation: 84+56=140, Resulting Numbers: [40, 140] Generated Node #0,1,2: 29:[40, 140] Operation: 84+56=140 Exploring Operation: 56-40=16, Resulting Numbers: [84, 16] Generated Node #0,1,3: 29:[84, 16] Operation: 56-40=16 Moving to Node #0,1,0 Current State: 29:[40, 28], Operations: ['51-11=40', '84-56=28'] Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 40*28=1120, Resulting Numbers: [1120] 1120,29 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[56, 44], Operations: ['51-11=40', '84-40=44'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,29 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[84, 16], Operations: ['51-11=40', '56-40=16'] Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 84*16=1344, Resulting Numbers: [1344] 1344,29 unequal: No Solution Exploring Operation: 84+16=100, Resulting Numbers: [100] 100,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[40, 140], Operations: ['51-11=40', '84+56=140'] Exploring Operation: 40+140=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 140-40=100, Resulting Numbers: [100] 100,29 unequal: No Solution Exploring Operation: 40*140=5600, Resulting Numbers: [5600] 5600,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[51, 56, 73], Operations: ['84-11=73'] Exploring Operation: 51+56=107, Resulting Numbers: [73, 107] Generated Node #0,3,0: 29:[73, 107] Operation: 51+56=107 Exploring Operation: 56-51=5, Resulting Numbers: [73, 5] Generated Node #0,3,1: 29:[73, 5] Operation: 56-51=5 Exploring Operation: 73-56=17, Resulting Numbers: [51, 17] Generated Node #0,3,2: 29:[51, 17] Operation: 73-56=17 Exploring Operation: 73-51=22, Resulting Numbers: [56, 22] Generated Node #0,3,3: 29:[56, 22] Operation: 73-51=22 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[51, 17], Operations: ['84-11=73', '73-56=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,29 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[56, 22], Operations: ['84-11=73', '73-51=22'] Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,29 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 29:[73, 5], Operations: ['84-11=73', '56-51=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 73*5=365, Resulting Numbers: [365] 365,29 unequal: No Solution Exploring Operation: 73+5=78, Resulting Numbers: [78] 78,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[73, 107], Operations: ['84-11=73', '51+56=107'] Exploring Operation: 73+107=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 107-73=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 73*107=7811, Resulting Numbers: [7811] 7811,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 12, 13, 14, 94 ]
22
[ "14+94=108", "108/12=9", "13+9=22" ]
Current State: 22:[12, 13, 14, 94], Operations: [] Exploring Operation: 14+94=108, Resulting Numbers: [12, 13, 108] Generated Node #2: [12, 13, 108] from Operation: 14+94=108 Current State: 22:[12, 13, 108], Operations: ['14+94=108'] Exploring Operation: 108/12=9, Resulting Numbers: [13, 9] Generated Node #3: [13, 9] from Operation: 108/12=9 Current State: 22:[13, 9], Operations: ['14+94=108', '108/12=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[12, 13, 14, 94], Operations: [] Exploring Operation: 14-13=1, Resulting Numbers: [12, 94, 1] Generated Node #0,0: 22:[12, 94, 1] Operation: 14-13=1 Exploring Operation: 94-13=81, Resulting Numbers: [12, 14, 81] Generated Node #0,1: 22:[12, 14, 81] Operation: 94-13=81 Exploring Operation: 14-12=2, Resulting Numbers: [13, 94, 2] Generated Node #0,2: 22:[13, 94, 2] Operation: 14-12=2 Exploring Operation: 94-12=82, Resulting Numbers: [13, 14, 82] Generated Node #0,3: 22:[13, 14, 82] Operation: 94-12=82 Exploring Operation: 94-14=80, Resulting Numbers: [12, 13, 80] Generated Node #0,4: 22:[12, 13, 80] Operation: 94-14=80 Moving to Node #0,4 Current State: 22:[12, 13, 80], Operations: ['94-14=80'] Exploring Operation: 80-13=67, Resulting Numbers: [12, 67] Generated Node #0,4,0: 22:[12, 67] Operation: 80-13=67 Exploring Operation: 80-12=68, Resulting Numbers: [13, 68] Generated Node #0,4,1: 22:[13, 68] Operation: 80-12=68 Exploring Operation: 13-12=1, Resulting Numbers: [80, 1] Generated Node #0,4,2: 22:[80, 1] Operation: 13-12=1 Exploring Operation: 12+80=92, Resulting Numbers: [13, 92] Generated Node #0,4,3: 22:[13, 92] Operation: 12+80=92 Exploring Operation: 12+13=25, Resulting Numbers: [80, 25] Generated Node #0,4,4: 22:[80, 25] Operation: 12+13=25 Moving to Node #0,1 Current State: 22:[12, 14, 81], Operations: ['94-13=81'] Exploring Operation: 12+81=93, Resulting Numbers: [14, 93] Generated Node #0,1,0: 22:[14, 93] Operation: 12+81=93 Exploring Operation: 81-12=69, Resulting Numbers: [14, 69] Generated Node #0,1,1: 22:[14, 69] Operation: 81-12=69 Exploring Operation: 12+14=26, Resulting Numbers: [81, 26] Generated Node #0,1,2: 22:[81, 26] Operation: 12+14=26 Exploring Operation: 14-12=2, Resulting Numbers: [81, 2] Generated Node #0,1,3: 22:[81, 2] Operation: 14-12=2 Exploring Operation: 81-14=67, Resulting Numbers: [12, 67] Generated Node #0,1,4: 22:[12, 67] Operation: 81-14=67 Moving to Node #0,3 Current State: 22:[13, 14, 82], Operations: ['94-12=82'] Exploring Operation: 13+82=95, Resulting Numbers: [14, 95] Generated Node #0,3,0: 22:[14, 95] Operation: 13+82=95 Exploring Operation: 14-13=1, Resulting Numbers: [82, 1] Generated Node #0,3,1: 22:[82, 1] Operation: 14-13=1 Exploring Operation: 82-13=69, Resulting Numbers: [14, 69] Generated Node #0,3,2: 22:[14, 69] Operation: 82-13=69 Exploring Operation: 82-14=68, Resulting Numbers: [13, 68] Generated Node #0,3,3: 22:[13, 68] Operation: 82-14=68 Exploring Operation: 13+14=27, Resulting Numbers: [82, 27] Generated Node #0,3,4: 22:[82, 27] Operation: 13+14=27 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[13, 68], Operations: ['94-12=82', '82-14=68'] Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 22:[14, 69], Operations: ['94-12=82', '82-13=69'] Exploring Operation: 14*69=966, Resulting Numbers: [966] 966,22 unequal: No Solution Exploring Operation: 14+69=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 22:[82, 1], Operations: ['94-12=82', '14-13=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 22:[82, 27], Operations: ['94-12=82', '13+14=27'] Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,22 unequal: No Solution Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,22 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 22:[14, 95], Operations: ['94-12=82', '13+82=95'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 14+95=109, Resulting Numbers: [109] 109,22 unequal: No Solution Exploring Operation: 14*95=1330, Resulting Numbers: [1330] 1330,22 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: 22:[12, 94, 1], Operations: ['14-13=1'] Exploring Operation: 12/1=12, Resulting Numbers: [94, 12] Generated Node #0,0,0: 22:[94, 12] Operation: 12/1=12 Exploring Operation: 12*1=12, Resulting Numbers: [94, 12] Generated Node #0,0,1: 22:[94, 12] Operation: 12*1=12 Exploring Operation: 94-12=82, Resulting Numbers: [1, 82] Generated Node #0,0,2: 22:[1, 82] Operation: 94-12=82 Exploring Operation: 12-1=11, Resulting Numbers: [94, 11] Generated Node #0,0,3: 22:[94, 11] Operation: 12-1=11 Exploring Operation: 94-1=93, Resulting Numbers: [12, 93] Generated Node #0,0,4: 22:[12, 93] Operation: 94-1=93 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[1, 82], Operations: ['14-13=1', '94-12=82'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 1+82=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[94, 11], Operations: ['14-13=1', '12-1=11'] Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 22:[12, 93], Operations: ['14-13=1', '94-1=93'] Exploring Operation: 12*93=1116, Resulting Numbers: [1116] 1116,22 unequal: No Solution Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 12+93=105, Resulting Numbers: [105] 105,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[94, 12], Operations: ['14-13=1', '12/1=12'] Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,22 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[94, 12], Operations: ['14-13=1', '12*1=12'] Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,22 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,22 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,22 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: 22:[13, 94, 2], Operations: ['14-12=2'] Exploring Operation: 13-2=11, Resulting Numbers: [94, 11] Generated Node #0,2,0: 22:[94, 11] Operation: 13-2=11 Exploring Operation: 13+2=15, Resulting Numbers: [94, 15] Generated Node #0,2,1: 22:[94, 15] Operation: 13+2=15 Exploring Operation: 94-2=92, Resulting Numbers: [13, 92] Generated Node #0,2,2: 22:[13, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [13, 47] Generated Node #0,2,3: 22:[13, 47] Operation: 94/2=47 Exploring Operation: 94-13=81, Resulting Numbers: [2, 81] Generated Node #0,2,4: 22:[2, 81] Operation: 94-13=81 Moving to Node #0,2,3 Current State: 22:[13, 47], Operations: ['14-12=2', '94/2=47'] Exploring Operation: 13+47=60, Resulting Numbers: [60] 60,22 unequal: No Solution Exploring Operation: 13*47=611, Resulting Numbers: [611] 611,22 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,22 unequal: No Solution Moving to Node #0,1,4 Current State: 22:[12, 67], Operations: ['94-13=81', '81-14=67'] Exploring Operation: 12+67=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 12*67=804, Resulting Numbers: [804] 804,22 unequal: No Solution Moving to Node #0,4,0 Current State: 22:[12, 67], Operations: ['94-14=80', '80-13=67'] Exploring Operation: 12+67=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 12*67=804, Resulting Numbers: [804] 804,22 unequal: No Solution Moving to Node #0,4,1 Current State: 22:[13, 68], Operations: ['94-14=80', '80-12=68'] Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[14, 69], Operations: ['94-13=81', '81-12=69'] Exploring Operation: 14+69=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 14*69=966, Resulting Numbers: [966] 966,22 unequal: No Solution Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,22 unequal: No Solution Moving to Node #0,4,2 Current State: 22:[80, 1], Operations: ['94-14=80', '13-12=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,22 unequal: No Solution Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,22 unequal: No Solution Moving to Node #0,2,4 Current State: 22:[2, 81], Operations: ['14-12=2', '94-13=81'] Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 2*81=162, Resulting Numbers: [162] 162,22 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,22 unequal: No Solution Moving to Node #0,1,3 Current State: 22:[81, 2], Operations: ['94-13=81', '14-12=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,22 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,22 unequal: No Solution Moving to Node #0,4,4 Current State: 22:[80, 25], Operations: ['94-14=80', '12+13=25'] Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,22 unequal: No Solution Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[81, 26], Operations: ['94-13=81', '12+14=26'] Exploring Operation: 81*26=2106, Resulting Numbers: [2106] 2106,22 unequal: No Solution Exploring Operation: 81+26=107, Resulting Numbers: [107] 107,22 unequal: No Solution Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[13, 92], Operations: ['14-12=2', '94-2=92'] Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,22 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,22 unequal: No Solution Moving to Node #0,4,3 Current State: 22:[13, 92], Operations: ['94-14=80', '12+80=92'] Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,22 unequal: No Solution Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[94, 11], Operations: ['14-12=2', '13-2=11'] Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,22 unequal: No Solution Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,22 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[14, 93], Operations: ['94-13=81', '12+81=93'] Exploring Operation: 14*93=1302, Resulting Numbers: [1302] 1302,22 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 14+93=107, Resulting Numbers: [107] 107,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[94, 15], Operations: ['14-12=2', '13+2=15'] Exploring Operation: 94*15=1410, Resulting Numbers: [1410] 1410,22 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,22 unequal: No Solution Exploring Operation: 94+15=109, Resulting Numbers: [109] 109,22 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 88, 4, 54, 13 ]
90
[ "88+54=142", "4*13=52", "142-52=90" ]
Current State: 90:[88, 4, 54, 13], Operations: [] Exploring Operation: 88+54=142, Resulting Numbers: [4, 13, 142] Generated Node #2: [4, 13, 142] from Operation: 88+54=142 Current State: 90:[4, 13, 142], Operations: ['88+54=142'] Exploring Operation: 4*13=52, Resulting Numbers: [142, 52] Generated Node #3: [142, 52] from Operation: 4*13=52 Current State: 90:[142, 52], Operations: ['88+54=142', '4*13=52'] Exploring Operation: 142-52=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[88, 4, 54, 13], Operations: [] Exploring Operation: 13-4=9, Resulting Numbers: [88, 54, 9] Generated Node #0,0: 90:[88, 54, 9] Operation: 13-4=9 Exploring Operation: 54-4=50, Resulting Numbers: [88, 13, 50] Generated Node #0,1: 90:[88, 13, 50] Operation: 54-4=50 Exploring Operation: 54-13=41, Resulting Numbers: [88, 4, 41] Generated Node #0,2: 90:[88, 4, 41] Operation: 54-13=41 Exploring Operation: 4+13=17, Resulting Numbers: [88, 54, 17] Generated Node #0,3: 90:[88, 54, 17] Operation: 4+13=17 Exploring Operation: 88-54=34, Resulting Numbers: [4, 13, 34] Generated Node #0,4: 90:[4, 13, 34] Operation: 88-54=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[88, 4, 41], Operations: ['54-13=41'] Exploring Operation: 88/4=22, Resulting Numbers: [41, 22] Generated Node #0,2,0: 90:[41, 22] Operation: 88/4=22 Exploring Operation: 88+4=92, Resulting Numbers: [41, 92] Generated Node #0,2,1: 90:[41, 92] Operation: 88+4=92 Exploring Operation: 41-4=37, Resulting Numbers: [88, 37] Generated Node #0,2,2: 90:[88, 37] Operation: 41-4=37 Exploring Operation: 88-41=47, Resulting Numbers: [4, 47] Generated Node #0,2,3: 90:[4, 47] Operation: 88-41=47 Exploring Operation: 4+41=45, Resulting Numbers: [88, 45] Generated Node #0,2,4: 90:[88, 45] Operation: 4+41=45 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 90:[88, 45], Operations: ['54-13=41', '4+41=45'] Exploring Operation: 88+45=133, Resulting Numbers: [133] 133,90 unequal: No Solution Exploring Operation: 88*45=3960, Resulting Numbers: [3960] 3960,90 unequal: No Solution Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[4, 47], Operations: ['54-13=41', '88-41=47'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,90 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[41, 92], Operations: ['54-13=41', '88+4=92'] Exploring Operation: 41*92=3772, Resulting Numbers: [3772] 3772,90 unequal: No Solution Exploring Operation: 92-41=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 41+92=133, Resulting Numbers: [133] 133,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[41, 22], Operations: ['54-13=41', '88/4=22'] Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,90 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[88, 37], Operations: ['54-13=41', '41-4=37'] Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[4, 13, 34], Operations: ['88-54=34'] Exploring Operation: 34-4=30, Resulting Numbers: [13, 30] Generated Node #0,4,0: 90:[13, 30] Operation: 34-4=30 Exploring Operation: 13+34=47, Resulting Numbers: [4, 47] Generated Node #0,4,1: 90:[4, 47] Operation: 13+34=47 Exploring Operation: 34-13=21, Resulting Numbers: [4, 21] Generated Node #0,4,2: 90:[4, 21] Operation: 34-13=21 Exploring Operation: 4+13=17, Resulting Numbers: [34, 17] Generated Node #0,4,3: 90:[34, 17] Operation: 4+13=17 Exploring Operation: 13-4=9, Resulting Numbers: [34, 9] Generated Node #0,4,4: 90:[34, 9] Operation: 13-4=9 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 90:[13, 30], Operations: ['88-54=34', '34-4=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,90 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 90:[4, 47], Operations: ['88-54=34', '13+34=47'] Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,90 unequal: No Solution Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 90:[4, 21], Operations: ['88-54=34', '34-13=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,90 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 90:[34, 9], Operations: ['88-54=34', '13-4=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,90 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[34, 17], Operations: ['88-54=34', '4+13=17'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 34*17=578, Resulting Numbers: [578] 578,90 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 34+17=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[88, 13, 50], Operations: ['54-4=50'] Exploring Operation: 88-13=75, Resulting Numbers: [50, 75] Generated Node #0,1,0: 90:[50, 75] Operation: 88-13=75 Exploring Operation: 50-13=37, Resulting Numbers: [88, 37] Generated Node #0,1,1: 90:[88, 37] Operation: 50-13=37 Exploring Operation: 88+13=101, Resulting Numbers: [50, 101] Generated Node #0,1,2: 90:[50, 101] Operation: 88+13=101 Exploring Operation: 88-50=38, Resulting Numbers: [13, 38] Generated Node #0,1,3: 90:[13, 38] Operation: 88-50=38 Exploring Operation: 13+50=63, Resulting Numbers: [88, 63] Generated Node #0,1,4: 90:[88, 63] Operation: 13+50=63 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[88, 37], Operations: ['54-4=50', '50-13=37'] Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,90 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[13, 38], Operations: ['54-4=50', '88-50=38'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 13*38=494, Resulting Numbers: [494] 494,90 unequal: No Solution Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[50, 101], Operations: ['54-4=50', '88+13=101'] Exploring Operation: 50*101=5050, Resulting Numbers: [5050] 5050,90 unequal: No Solution Exploring Operation: 50+101=151, Resulting Numbers: [151] 151,90 unequal: No Solution Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[50, 75], Operations: ['54-4=50', '88-13=75'] Exploring Operation: 50*75=3750, Resulting Numbers: [3750] 3750,90 unequal: No Solution Exploring Operation: 50+75=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 90:[88, 63], Operations: ['54-4=50', '13+50=63'] Exploring Operation: 88+63=151, Resulting Numbers: [151] 151,90 unequal: No Solution Exploring Operation: 88*63=5544, Resulting Numbers: [5544] 5544,90 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[88, 54, 9], Operations: ['13-4=9'] Exploring Operation: 54-9=45, Resulting Numbers: [88, 45] Generated Node #0,0,0: 90:[88, 45] Operation: 54-9=45 Exploring Operation: 88+9=97, Resulting Numbers: [54, 97] Generated Node #0,0,1: 90:[54, 97] Operation: 88+9=97 Exploring Operation: 88-54=34, Resulting Numbers: [9, 34] Generated Node #0,0,2: 90:[9, 34] Operation: 88-54=34 Exploring Operation: 88-9=79, Resulting Numbers: [54, 79] Generated Node #0,0,3: 90:[54, 79] Operation: 88-9=79 Exploring Operation: 54/9=6, Resulting Numbers: [88, 6] Generated Node #0,0,4: 90:[88, 6] Operation: 54/9=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[88, 45], Operations: ['13-4=9', '54-9=45'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 88*45=3960, Resulting Numbers: [3960] 3960,90 unequal: No Solution Exploring Operation: 88+45=133, Resulting Numbers: [133] 133,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 90:[88, 6], Operations: ['13-4=9', '54/9=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,90 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,90 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 90:[9, 34], Operations: ['13-4=9', '88-54=34'] Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,90 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[54, 97], Operations: ['13-4=9', '88+9=97'] Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,90 unequal: No Solution Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 90:[54, 79], Operations: ['13-4=9', '88-9=79'] Exploring Operation: 54*79=4266, Resulting Numbers: [4266] 4266,90 unequal: No Solution Exploring Operation: 54+79=133, Resulting Numbers: [133] 133,90 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[88, 54, 17], Operations: ['4+13=17'] Exploring Operation: 88-54=34, Resulting Numbers: [17, 34] Generated Node #0,3,0: 90:[17, 34] Operation: 88-54=34 Exploring Operation: 88+17=105, Resulting Numbers: [54, 105] Generated Node #0,3,1: 90:[54, 105] Operation: 88+17=105 Exploring Operation: 88-17=71, Resulting Numbers: [54, 71] Generated Node #0,3,2: 90:[54, 71] Operation: 88-17=71 Exploring Operation: 54+17=71, Resulting Numbers: [88, 71] Generated Node #0,3,3: 90:[88, 71] Operation: 54+17=71 Exploring Operation: 54-17=37, Resulting Numbers: [88, 37] Generated Node #0,3,4: 90:[88, 37] Operation: 54-17=37 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[17, 34], Operations: ['4+13=17', '88-54=34'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[88, 37], Operations: ['4+13=17', '54-17=37'] Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,90 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[88, 71], Operations: ['4+13=17', '54+17=71'] Exploring Operation: 88-71=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 88+71=159, Resulting Numbers: [159] 159,90 unequal: No Solution Exploring Operation: 88*71=6248, Resulting Numbers: [6248] 6248,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[54, 105], Operations: ['4+13=17', '88+17=105'] Exploring Operation: 54*105=5670, Resulting Numbers: [5670] 5670,90 unequal: No Solution Exploring Operation: 105-54=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 54+105=159, Resulting Numbers: [159] 159,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[54, 71], Operations: ['4+13=17', '88-17=71'] Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 54*71=3834, Resulting Numbers: [3834] 3834,90 unequal: No Solution Exploring Operation: 54+71=125, Resulting Numbers: [125] 125,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 7, 57, 80, 45 ]
99
[ "7+57=64", "80-45=35", "64+35=99" ]
Current State: 99:[7, 57, 80, 45], Operations: [] Exploring Operation: 7+57=64, Resulting Numbers: [80, 45, 64] Generated Node #2: [80, 45, 64] from Operation: 7+57=64 Current State: 99:[80, 45, 64], Operations: ['7+57=64'] Exploring Operation: 80-45=35, Resulting Numbers: [64, 35] Generated Node #3: [64, 35] from Operation: 80-45=35 Current State: 99:[64, 35], Operations: ['7+57=64', '80-45=35'] Exploring Operation: 64+35=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[7, 57, 80, 45], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [7, 80, 12] Generated Node #0,0: 99:[7, 80, 12] Operation: 57-45=12 Exploring Operation: 80-57=23, Resulting Numbers: [7, 45, 23] Generated Node #0,1: 99:[7, 45, 23] Operation: 80-57=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[7, 80, 12], Operations: ['57-45=12'] Exploring Operation: 80+12=92, Resulting Numbers: [7, 92] Generated Node #0,0,0: 99:[7, 92] Operation: 80+12=92 Exploring Operation: 7+80=87, Resulting Numbers: [12, 87] Generated Node #0,0,1: 99:[12, 87] Operation: 7+80=87 Moving to Node #0,0,0 Current State: 99:[7, 92], Operations: ['57-45=12', '80+12=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[7, 57, 80, 45], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [7, 80, 12] Generated Node #0,0: 99:[7, 80, 12] Operation: 57-45=12 Moving to Node #0,0 Current State: 99:[7, 80, 12], Operations: ['57-45=12'] Exploring Operation: 80+12=92, Resulting Numbers: [7, 92] Generated Node #0,0,0: 99:[7, 92] Operation: 80+12=92 Moving to Node #0,0,0 Current State: 99:[7, 92], Operations: ['57-45=12', '80+12=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 30, 10, 25, 4 ]
49
[ "30-10=20", "25+4=29", "20+29=49" ]
Current State: 49:[30, 10, 25, 4], Operations: [] Exploring Operation: 30-10=20, Resulting Numbers: [25, 4, 20] Generated Node #2: [25, 4, 20] from Operation: 30-10=20 Current State: 49:[25, 4, 20], Operations: ['30-10=20'] Exploring Operation: 25+4=29, Resulting Numbers: [20, 29] Generated Node #3: [20, 29] from Operation: 25+4=29 Current State: 49:[20, 29], Operations: ['30-10=20', '25+4=29'] Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[30, 10, 25, 4], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [25, 4, 40] Generated Node #0,0: 49:[25, 4, 40] Operation: 30+10=40 Exploring Operation: 30+25=55, Resulting Numbers: [10, 4, 55] Generated Node #0,1: 49:[10, 4, 55] Operation: 30+25=55 Exploring Operation: 30-25=5, Resulting Numbers: [10, 4, 5] Generated Node #0,2: 49:[10, 4, 5] Operation: 30-25=5 Exploring Operation: 30/10=3, Resulting Numbers: [25, 4, 3] Generated Node #0,3: 49:[25, 4, 3] Operation: 30/10=3 Moving to Node #0,2 Current State: 49:[10, 4, 5], Operations: ['30-25=5'] Exploring Operation: 10*5=50, Resulting Numbers: [4, 50] Generated Node #0,2,0: 49:[4, 50] Operation: 10*5=50 Exploring Operation: 10-4=6, Resulting Numbers: [5, 6] Generated Node #0,2,1: 49:[5, 6] Operation: 10-4=6 Exploring Operation: 4+5=9, Resulting Numbers: [10, 9] Generated Node #0,2,2: 49:[10, 9] Operation: 4+5=9 Exploring Operation: 10-5=5, Resulting Numbers: [4, 5] Generated Node #0,2,3: 49:[4, 5] Operation: 10-5=5 Moving to Node #0,1 Current State: 49:[10, 4, 55], Operations: ['30+25=55'] Exploring Operation: 55-10=45, Resulting Numbers: [4, 45] Generated Node #0,1,0: 49:[4, 45] Operation: 55-10=45 Exploring Operation: 55-4=51, Resulting Numbers: [10, 51] Generated Node #0,1,1: 49:[10, 51] Operation: 55-4=51 Exploring Operation: 10-4=6, Resulting Numbers: [55, 6] Generated Node #0,1,2: 49:[55, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [55, 14] Generated Node #0,1,3: 49:[55, 14] Operation: 10+4=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[10, 51], Operations: ['30+25=55', '55-4=51'] Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,49 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[4, 45], Operations: ['30+25=55', '55-10=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[30, 10, 25, 4], Operations: [] Exploring Operation: 30+25=55, Resulting Numbers: [10, 4, 55] Generated Node #0,1: 49:[10, 4, 55] Operation: 30+25=55 Moving to Node #0,1 Current State: 49:[10, 4, 55], Operations: ['30+25=55'] Exploring Operation: 55-10=45, Resulting Numbers: [4, 45] Generated Node #0,1,0: 49:[4, 45] Operation: 55-10=45 Moving to Node #0,1,0 Current State: 49:[4, 45], Operations: ['30+25=55', '55-10=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 59, 43, 70, 19 ]
51
[ "59+43=102", "70-19=51", "102-51=51" ]
Current State: 51:[59, 43, 70, 19], Operations: [] Exploring Operation: 59+43=102, Resulting Numbers: [70, 19, 102] Generated Node #2: [70, 19, 102] from Operation: 59+43=102 Current State: 51:[70, 19, 102], Operations: ['59+43=102'] Exploring Operation: 70-19=51, Resulting Numbers: [102, 51] Generated Node #3: [102, 51] from Operation: 70-19=51 Current State: 51:[102, 51], Operations: ['59+43=102', '70-19=51'] Exploring Operation: 102-51=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[59, 43, 70, 19], Operations: [] Exploring Operation: 59-43=16, Resulting Numbers: [70, 19, 16] Generated Node #0,0: 51:[70, 19, 16] Operation: 59-43=16 Exploring Operation: 70-59=11, Resulting Numbers: [43, 19, 11] Generated Node #0,1: 51:[43, 19, 11] Operation: 70-59=11 Exploring Operation: 70-43=27, Resulting Numbers: [59, 19, 27] Generated Node #0,2: 51:[59, 19, 27] Operation: 70-43=27 Exploring Operation: 70-19=51, Resulting Numbers: [59, 43, 51] Generated Node #0,3: 51:[59, 43, 51] Operation: 70-19=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[43, 19, 11], Operations: ['70-59=11'] Exploring Operation: 43+19=62, Resulting Numbers: [11, 62] Generated Node #0,1,0: 51:[11, 62] Operation: 43+19=62 Exploring Operation: 43+11=54, Resulting Numbers: [19, 54] Generated Node #0,1,1: 51:[19, 54] Operation: 43+11=54 Exploring Operation: 43-19=24, Resulting Numbers: [11, 24] Generated Node #0,1,2: 51:[11, 24] Operation: 43-19=24 Exploring Operation: 19-11=8, Resulting Numbers: [43, 8] Generated Node #0,1,3: 51:[43, 8] Operation: 19-11=8 Moving to Node #0,1,1 Current State: 51:[19, 54], Operations: ['70-59=11', '43+11=54'] Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,51 unequal: No Solution Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,51 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[43, 8], Operations: ['70-59=11', '19-11=8'] Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[59, 43, 70, 19], Operations: [] Exploring Operation: 70-59=11, Resulting Numbers: [43, 19, 11] Generated Node #0,1: 51:[43, 19, 11] Operation: 70-59=11 Moving to Node #0,1 Current State: 51:[43, 19, 11], Operations: ['70-59=11'] Exploring Operation: 19-11=8, Resulting Numbers: [43, 8] Generated Node #0,1,3: 51:[43, 8] Operation: 19-11=8 Moving to Node #0,1,3 Current State: 51:[43, 8], Operations: ['70-59=11', '19-11=8'] Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 29, 80, 53, 41 ]
97
[ "29+80=109", "53-41=12", "109-12=97" ]
Current State: 97:[29, 80, 53, 41], Operations: [] Exploring Operation: 29+80=109, Resulting Numbers: [53, 41, 109] Generated Node #2: [53, 41, 109] from Operation: 29+80=109 Current State: 97:[53, 41, 109], Operations: ['29+80=109'] Exploring Operation: 53-41=12, Resulting Numbers: [109, 12] Generated Node #3: [109, 12] from Operation: 53-41=12 Current State: 97:[109, 12], Operations: ['29+80=109', '53-41=12'] Exploring Operation: 109-12=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[29, 80, 53, 41], Operations: [] Exploring Operation: 29+41=70, Resulting Numbers: [80, 53, 70] Generated Node #0,0: 97:[80, 53, 70] Operation: 29+41=70 Exploring Operation: 29+53=82, Resulting Numbers: [80, 41, 82] Generated Node #0,1: 97:[80, 41, 82] Operation: 29+53=82 Exploring Operation: 53+41=94, Resulting Numbers: [29, 80, 94] Generated Node #0,2: 97:[29, 80, 94] Operation: 53+41=94 Moving to Node #0,0 Current State: 97:[80, 53, 70], Operations: ['29+41=70'] Exploring Operation: 53+70=123, Resulting Numbers: [80, 123] Generated Node #0,0,0: 97:[80, 123] Operation: 53+70=123 Exploring Operation: 80+53=133, Resulting Numbers: [70, 133] Generated Node #0,0,1: 97:[70, 133] Operation: 80+53=133 Exploring Operation: 80-53=27, Resulting Numbers: [70, 27] Generated Node #0,0,2: 97:[70, 27] Operation: 80-53=27 Moving to Node #0,1 Current State: 97:[80, 41, 82], Operations: ['29+53=82'] Exploring Operation: 41+82=123, Resulting Numbers: [80, 123] Generated Node #0,1,0: 97:[80, 123] Operation: 41+82=123 Exploring Operation: 80-41=39, Resulting Numbers: [82, 39] Generated Node #0,1,1: 97:[82, 39] Operation: 80-41=39 Exploring Operation: 80+41=121, Resulting Numbers: [82, 121] Generated Node #0,1,2: 97:[82, 121] Operation: 80+41=121 Moving to Node #0,2 Current State: 97:[29, 80, 94], Operations: ['53+41=94'] Exploring Operation: 80-29=51, Resulting Numbers: [94, 51] Generated Node #0,2,0: 97:[94, 51] Operation: 80-29=51 Exploring Operation: 29+80=109, Resulting Numbers: [94, 109] Generated Node #0,2,1: 97:[94, 109] Operation: 29+80=109 Exploring Operation: 29+94=123, Resulting Numbers: [80, 123] Generated Node #0,2,2: 97:[80, 123] Operation: 29+94=123 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[94, 109], Operations: ['53+41=94', '29+80=109'] Exploring Operation: 94*109=10246, Resulting Numbers: [10246] 10246,97 unequal: No Solution Exploring Operation: 109-94=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 94+109=203, Resulting Numbers: [203] 203,97 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 #0,2,2 Current State: 97:[80, 123], Operations: ['53+41=94', '29+94=123'] Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 80*123=9840, Resulting Numbers: [9840] 9840,97 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 #0,2,0 Current State: 97:[94, 51], Operations: ['53+41=94', '80-29=51'] Exploring Operation: 94*51=4794, Resulting Numbers: [4794] 4794,97 unequal: No Solution Exploring Operation: 94+51=145, Resulting Numbers: [145] 145,97 unequal: No Solution Exploring Operation: 94-51=43, Resulting Numbers: [43] 43,97 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: 97:[82, 121], Operations: ['29+53=82', '80+41=121'] Exploring Operation: 82+121=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 82*121=9922, Resulting Numbers: [9922] 9922,97 unequal: No Solution Exploring Operation: 121-82=39, Resulting Numbers: [39] 39,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[80, 123], Operations: ['29+41=70', '53+70=123'] Exploring Operation: 80*123=9840, Resulting Numbers: [9840] 9840,97 unequal: No Solution Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[80, 123], Operations: ['29+53=82', '41+82=123'] Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 80*123=9840, Resulting Numbers: [9840] 9840,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[70, 133], Operations: ['29+41=70', '80+53=133'] Exploring Operation: 70*133=9310, Resulting Numbers: [9310] 9310,97 unequal: No Solution Exploring Operation: 133-70=63, Resulting Numbers: [63] 63,97 unequal: No Solution Exploring Operation: 70+133=203, Resulting Numbers: [203] 203,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[82, 39], Operations: ['29+53=82', '80-41=39'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 82+39=121, Resulting Numbers: [121] 121,97 unequal: No Solution Exploring Operation: 82*39=3198, Resulting Numbers: [3198] 3198,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[70, 27], Operations: ['29+41=70', '80-53=27'] Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,97 unequal: No Solution Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[29, 80, 53, 41], Operations: [] Exploring Operation: 29+41=70, Resulting Numbers: [80, 53, 70] Generated Node #0,0: 97:[80, 53, 70] Operation: 29+41=70 Moving to Node #0,0 Current State: 97:[80, 53, 70], Operations: ['29+41=70'] Exploring Operation: 80-53=27, Resulting Numbers: [70, 27] Generated Node #0,0,2: 97:[70, 27] Operation: 80-53=27 Moving to Node #0,0,2 Current State: 97:[70, 27], Operations: ['29+41=70', '80-53=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.963542
hs_3
sum_heuristic
[ 69, 95, 85, 22 ]
81
[ "95-69=26", "85+22=107", "107-26=81" ]
Current State: 81:[69, 95, 85, 22], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [85, 22, 26] Generated Node #2: [85, 22, 26] from Operation: 95-69=26 Current State: 81:[85, 22, 26], Operations: ['95-69=26'] Exploring Operation: 85+22=107, Resulting Numbers: [26, 107] Generated Node #3: [26, 107] from Operation: 85+22=107 Current State: 81:[26, 107], Operations: ['95-69=26', '85+22=107'] Exploring Operation: 107-26=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[69, 95, 85, 22], Operations: [] Exploring Operation: 95-22=73, Resulting Numbers: [69, 85, 73] Generated Node #0,0: 81:[69, 85, 73] Operation: 95-22=73 Exploring Operation: 69+22=91, Resulting Numbers: [95, 85, 91] Generated Node #0,1: 81:[95, 85, 91] Operation: 69+22=91 Exploring Operation: 85-69=16, Resulting Numbers: [95, 22, 16] Generated Node #0,2: 81:[95, 22, 16] Operation: 85-69=16 Exploring Operation: 95-69=26, Resulting Numbers: [85, 22, 26] Generated Node #0,3: 81:[85, 22, 26] Operation: 95-69=26 Exploring Operation: 95-85=10, Resulting Numbers: [69, 22, 10] Generated Node #0,4: 81:[69, 22, 10] Operation: 95-85=10 Moving to Node #0,3 Current State: 81:[85, 22, 26], Operations: ['95-69=26'] Exploring Operation: 22+26=48, Resulting Numbers: [85, 48] Generated Node #0,3,0: 81:[85, 48] Operation: 22+26=48 Exploring Operation: 85-26=59, Resulting Numbers: [22, 59] Generated Node #0,3,1: 81:[22, 59] Operation: 85-26=59 Exploring Operation: 85+22=107, Resulting Numbers: [26, 107] Generated Node #0,3,2: 81:[26, 107] Operation: 85+22=107 Exploring Operation: 85-22=63, Resulting Numbers: [26, 63] Generated Node #0,3,3: 81:[26, 63] Operation: 85-22=63 Exploring Operation: 26-22=4, Resulting Numbers: [85, 4] Generated Node #0,3,4: 81:[85, 4] Operation: 26-22=4 Moving to Node #0,4 Current State: 81:[69, 22, 10], Operations: ['95-85=10'] Exploring Operation: 69+10=79, Resulting Numbers: [22, 79] Generated Node #0,4,0: 81:[22, 79] Operation: 69+10=79 Exploring Operation: 22+10=32, Resulting Numbers: [69, 32] Generated Node #0,4,1: 81:[69, 32] Operation: 22+10=32 Exploring Operation: 69-22=47, Resulting Numbers: [10, 47] Generated Node #0,4,2: 81:[10, 47] Operation: 69-22=47 Exploring Operation: 69+22=91, Resulting Numbers: [10, 91] Generated Node #0,4,3: 81:[10, 91] Operation: 69+22=91 Exploring Operation: 22-10=12, Resulting Numbers: [69, 12] Generated Node #0,4,4: 81:[69, 12] Operation: 22-10=12 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 81:[22, 79], Operations: ['95-85=10', '69+10=79'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 22+79=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 22*79=1738, Resulting Numbers: [1738] 1738,81 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 #0,4,3 Current State: 81:[10, 91], Operations: ['95-85=10', '69+22=91'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[69, 95, 85, 22], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [69, 22, 10] Generated Node #0,4: 81:[69, 22, 10] Operation: 95-85=10 Moving to Node #0,4 Current State: 81:[69, 22, 10], Operations: ['95-85=10'] Exploring Operation: 69+22=91, Resulting Numbers: [10, 91] Generated Node #0,4,3: 81:[10, 91] Operation: 69+22=91 Moving to Node #0,4,3 Current State: 81:[10, 91], Operations: ['95-85=10', '69+22=91'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 4, 20, 12, 64 ]
33
[ "20+64=84", "84/4=21", "12+21=33" ]
Current State: 33:[4, 20, 12, 64], Operations: [] Exploring Operation: 20+64=84, Resulting Numbers: [4, 12, 84] Generated Node #2: [4, 12, 84] from Operation: 20+64=84 Current State: 33:[4, 12, 84], Operations: ['20+64=84'] Exploring Operation: 84/4=21, Resulting Numbers: [12, 21] Generated Node #3: [12, 21] from Operation: 84/4=21 Current State: 33:[12, 21], Operations: ['20+64=84', '84/4=21'] Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 20, 12, 64], Operations: [] Exploring Operation: 64-20=44, Resulting Numbers: [4, 12, 44] Generated Node #0,0: 33:[4, 12, 44] Operation: 64-20=44 Exploring Operation: 20+12=32, Resulting Numbers: [4, 64, 32] Generated Node #0,1: 33:[4, 64, 32] Operation: 20+12=32 Exploring Operation: 64-12=52, Resulting Numbers: [4, 20, 52] Generated Node #0,2: 33:[4, 20, 52] Operation: 64-12=52 Exploring Operation: 20/4=5, Resulting Numbers: [12, 64, 5] Generated Node #0,3: 33:[12, 64, 5] Operation: 20/4=5 Exploring Operation: 64/4=16, Resulting Numbers: [20, 12, 16] Generated Node #0,4: 33:[20, 12, 16] Operation: 64/4=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[4, 12, 44], Operations: ['64-20=44'] Exploring Operation: 44-4=40, Resulting Numbers: [12, 40] Generated Node #0,0,0: 33:[12, 40] Operation: 44-4=40 Exploring Operation: 44-12=32, Resulting Numbers: [4, 32] Generated Node #0,0,1: 33:[4, 32] Operation: 44-12=32 Exploring Operation: 44/4=11, Resulting Numbers: [12, 11] Generated Node #0,0,2: 33:[12, 11] Operation: 44/4=11 Exploring Operation: 12-4=8, Resulting Numbers: [44, 8] Generated Node #0,0,3: 33:[44, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [44, 3] Generated Node #0,0,4: 33:[44, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[12, 11], Operations: ['64-20=44', '44/4=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,33 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,33 unequal: No Solution No 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: 33:[4, 32], Operations: ['64-20=44', '44-12=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,33 unequal: No Solution No 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: 33:[12, 40], Operations: ['64-20=44', '44-4=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,33 unequal: No Solution Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,33 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,33 unequal: No Solution No 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: 33:[44, 3], Operations: ['64-20=44', '12/4=3'] Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,33 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,33 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,33 unequal: No Solution No 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: 33:[44, 8], Operations: ['64-20=44', '12-4=8'] Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,33 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,33 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: 33:[20, 12, 16], Operations: ['64/4=16'] Exploring Operation: 20-16=4, Resulting Numbers: [12, 4] Generated Node #0,4,0: 33:[12, 4] Operation: 20-16=4 Exploring Operation: 20+12=32, Resulting Numbers: [16, 32] Generated Node #0,4,1: 33:[16, 32] Operation: 20+12=32 Exploring Operation: 20-12=8, Resulting Numbers: [16, 8] Generated Node #0,4,2: 33:[16, 8] Operation: 20-12=8 Exploring Operation: 16-12=4, Resulting Numbers: [20, 4] Generated Node #0,4,3: 33:[20, 4] Operation: 16-12=4 Exploring Operation: 20+16=36, Resulting Numbers: [12, 36] Generated Node #0,4,4: 33:[12, 36] Operation: 20+16=36 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 33:[12, 4], Operations: ['64/4=16', '20-16=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,33 unequal: No Solution No 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: 33:[12, 36], Operations: ['64/4=16', '20+16=36'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,33 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,33 unequal: No Solution No 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: 33:[16, 32], Operations: ['64/4=16', '20+12=32'] Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 16*32=512, Resulting Numbers: [512] 512,33 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,33 unequal: No Solution No 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: 33:[16, 8], Operations: ['64/4=16', '20-12=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,33 unequal: No Solution No 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: 33:[20, 4], Operations: ['64/4=16', '16-12=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,33 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: 33:[4, 20, 52], Operations: ['64-12=52'] Exploring Operation: 52/4=13, Resulting Numbers: [20, 13] Generated Node #0,2,0: 33:[20, 13] Operation: 52/4=13 Exploring Operation: 52-20=32, Resulting Numbers: [4, 32] Generated Node #0,2,1: 33:[4, 32] Operation: 52-20=32 Exploring Operation: 52-4=48, Resulting Numbers: [20, 48] Generated Node #0,2,2: 33:[20, 48] Operation: 52-4=48 Exploring Operation: 20/4=5, Resulting Numbers: [52, 5] Generated Node #0,2,3: 33:[52, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [52, 16] Generated Node #0,2,4: 33:[52, 16] Operation: 20-4=16 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[4, 32], Operations: ['64-12=52', '52-20=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,33 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,33 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,33 unequal: No Solution No 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: 33:[20, 13], Operations: ['64-12=52', '52/4=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[4, 20, 12, 64], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [4, 20, 52] Generated Node #0,2: 33:[4, 20, 52] Operation: 64-12=52 Moving to Node #0,2 Current State: 33:[4, 20, 52], Operations: ['64-12=52'] Exploring Operation: 52/4=13, Resulting Numbers: [20, 13] Generated Node #0,2,0: 33:[20, 13] Operation: 52/4=13 Moving to Node #0,2,0 Current State: 33:[20, 13], Operations: ['64-12=52', '52/4=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_5
mult_heuristic
[ 76, 65, 2, 72 ]
25
[ "76-65=11", "72/2=36", "36-11=25" ]
Current State: 25:[76, 65, 2, 72], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [2, 72, 11] Generated Node #2: [2, 72, 11] from Operation: 76-65=11 Current State: 25:[2, 72, 11], Operations: ['76-65=11'] Exploring Operation: 72/2=36, Resulting Numbers: [11, 36] Generated Node #3: [11, 36] from Operation: 72/2=36 Current State: 25:[11, 36], Operations: ['76-65=11', '72/2=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[76, 65, 2, 72], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [76, 2, 7] Generated Node #0,0: 25:[76, 2, 7] Operation: 72-65=7 Exploring Operation: 72/2=36, Resulting Numbers: [76, 65, 36] Generated Node #0,1: 25:[76, 65, 36] Operation: 72/2=36 Exploring Operation: 76/2=38, Resulting Numbers: [65, 72, 38] Generated Node #0,2: 25:[65, 72, 38] Operation: 76/2=38 Exploring Operation: 76-72=4, Resulting Numbers: [65, 2, 4] Generated Node #0,3: 25:[65, 2, 4] Operation: 76-72=4 Exploring Operation: 76-65=11, Resulting Numbers: [2, 72, 11] Generated Node #0,4: 25:[2, 72, 11] Operation: 76-65=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[65, 2, 4], Operations: ['76-72=4'] Exploring Operation: 2+4=6, Resulting Numbers: [65, 6] Generated Node #0,3,0: 25:[65, 6] Operation: 2+4=6 Exploring Operation: 65+2=67, Resulting Numbers: [4, 67] Generated Node #0,3,1: 25:[4, 67] Operation: 65+2=67 Exploring Operation: 65-2=63, Resulting Numbers: [4, 63] Generated Node #0,3,2: 25:[4, 63] Operation: 65-2=63 Exploring Operation: 65-4=61, Resulting Numbers: [2, 61] Generated Node #0,3,3: 25:[2, 61] Operation: 65-4=61 Exploring Operation: 2*4=8, Resulting Numbers: [65, 8] Generated Node #0,3,4: 25:[65, 8] Operation: 2*4=8 Moving to Node #0,3,2 Current State: 25:[4, 63], Operations: ['76-72=4', '65-2=63'] Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,25 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[2, 61], Operations: ['76-72=4', '65-4=61'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,25 unequal: No Solution Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,25 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[65, 6], Operations: ['76-72=4', '2+4=6'] Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,25 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,25 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[4, 67], Operations: ['76-72=4', '65+2=67'] Exploring Operation: 4+67=71, Resulting Numbers: [71] 71,25 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 4*67=268, Resulting Numbers: [268] 268,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[65, 8], Operations: ['76-72=4', '2*4=8'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,25 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,25 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,25 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:[76, 2, 7], Operations: ['72-65=7'] Exploring Operation: 76+2=78, Resulting Numbers: [7, 78] Generated Node #0,0,0: 25:[7, 78] Operation: 76+2=78 Exploring Operation: 7-2=5, Resulting Numbers: [76, 5] Generated Node #0,0,1: 25:[76, 5] Operation: 7-2=5 Exploring Operation: 76-2=74, Resulting Numbers: [7, 74] Generated Node #0,0,2: 25:[7, 74] Operation: 76-2=74 Exploring Operation: 76/2=38, Resulting Numbers: [7, 38] Generated Node #0,0,3: 25:[7, 38] Operation: 76/2=38 Exploring Operation: 76-7=69, Resulting Numbers: [2, 69] Generated Node #0,0,4: 25:[2, 69] Operation: 76-7=69 Moving to Node #0,0,3 Current State: 25:[7, 38], Operations: ['72-65=7', '76/2=38'] Exploring Operation: 7*38=266, Resulting Numbers: [266] 266,25 unequal: No Solution Exploring Operation: 7+38=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[2, 69], Operations: ['72-65=7', '76-7=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,25 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,25 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[76, 5], Operations: ['72-65=7', '7-2=5'] Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,25 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,25 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[7, 74], Operations: ['72-65=7', '76-2=74'] Exploring Operation: 7*74=518, Resulting Numbers: [518] 518,25 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,25 unequal: No Solution Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[7, 78], Operations: ['72-65=7', '76+2=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,25 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,25 unequal: No Solution Exploring Operation: 7+78=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 #0,4 Current State: 25:[2, 72, 11], Operations: ['76-65=11'] Exploring Operation: 11-2=9, Resulting Numbers: [72, 9] Generated Node #0,4,0: 25:[72, 9] Operation: 11-2=9 Exploring Operation: 72-2=70, Resulting Numbers: [11, 70] Generated Node #0,4,1: 25:[11, 70] Operation: 72-2=70 Exploring Operation: 2*11=22, Resulting Numbers: [72, 22] Generated Node #0,4,2: 25:[72, 22] Operation: 2*11=22 Exploring Operation: 72/2=36, Resulting Numbers: [11, 36] Generated Node #0,4,3: 25:[11, 36] Operation: 72/2=36 Exploring Operation: 72-11=61, Resulting Numbers: [2, 61] Generated Node #0,4,4: 25:[2, 61] Operation: 72-11=61 Moving to Node #0,4,3 Current State: 25:[11, 36], Operations: ['76-65=11', '72/2=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,25 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[76, 65, 2, 72], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [2, 72, 11] Generated Node #0,4: 25:[2, 72, 11] Operation: 76-65=11 Moving to Node #0,4 Current State: 25:[2, 72, 11], Operations: ['76-65=11'] Exploring Operation: 72/2=36, Resulting Numbers: [11, 36] Generated Node #0,4,3: 25:[11, 36] Operation: 72/2=36 Moving to Node #0,4,3 Current State: 25:[11, 36], Operations: ['76-65=11', '72/2=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 9, 27, 60, 71 ]
14
[ "27/9=3", "71-60=11", "3+11=14" ]
Current State: 14:[9, 27, 60, 71], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [60, 71, 3] Generated Node #2: [60, 71, 3] from Operation: 27/9=3 Current State: 14:[60, 71, 3], Operations: ['27/9=3'] Exploring Operation: 71-60=11, Resulting Numbers: [3, 11] Generated Node #3: [3, 11] from Operation: 71-60=11 Current State: 14:[3, 11], Operations: ['27/9=3', '71-60=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[9, 27, 60, 71], Operations: [] Exploring Operation: 60-27=33, Resulting Numbers: [9, 71, 33] Generated Node #0,0: 14:[9, 71, 33] Operation: 60-27=33 Exploring Operation: 71-27=44, Resulting Numbers: [9, 60, 44] Generated Node #0,1: 14:[9, 60, 44] Operation: 71-27=44 Exploring Operation: 27/9=3, Resulting Numbers: [60, 71, 3] Generated Node #0,2: 14:[60, 71, 3] Operation: 27/9=3 Exploring Operation: 71-60=11, Resulting Numbers: [9, 27, 11] Generated Node #0,3: 14:[9, 27, 11] Operation: 71-60=11 Moving to Node #0,3 Current State: 14:[9, 27, 11], Operations: ['71-60=11'] Exploring Operation: 27-9=18, Resulting Numbers: [11, 18] Generated Node #0,3,0: 14:[11, 18] Operation: 27-9=18 Exploring Operation: 27-11=16, Resulting Numbers: [9, 16] Generated Node #0,3,1: 14:[9, 16] Operation: 27-11=16 Exploring Operation: 27/9=3, Resulting Numbers: [11, 3] Generated Node #0,3,2: 14:[11, 3] Operation: 27/9=3 Exploring Operation: 11-9=2, Resulting Numbers: [27, 2] Generated Node #0,3,3: 14:[27, 2] Operation: 11-9=2 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 14:[9, 16], Operations: ['71-60=11', '27-11=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[11, 3], Operations: ['71-60=11', '27/9=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[9, 27, 60, 71], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [9, 27, 11] Generated Node #0,3: 14:[9, 27, 11] Operation: 71-60=11 Moving to Node #0,3 Current State: 14:[9, 27, 11], Operations: ['71-60=11'] Exploring Operation: 27/9=3, Resulting Numbers: [11, 3] Generated Node #0,3,2: 14:[11, 3] Operation: 27/9=3 Moving to Node #0,3,2 Current State: 14:[11, 3], Operations: ['71-60=11', '27/9=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 4, 32, 85, 92 ]
56
[ "32/4=8", "92-85=7", "8*7=56" ]
Current State: 56:[4, 32, 85, 92], Operations: [] Exploring Operation: 32/4=8, Resulting Numbers: [85, 92, 8] Generated Node #2: [85, 92, 8] from Operation: 32/4=8 Current State: 56:[85, 92, 8], Operations: ['32/4=8'] Exploring Operation: 92-85=7, Resulting Numbers: [8, 7] Generated Node #3: [8, 7] from Operation: 92-85=7 Current State: 56:[8, 7], Operations: ['32/4=8', '92-85=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[4, 32, 85, 92], Operations: [] Exploring Operation: 92-32=60, Resulting Numbers: [4, 85, 60] Generated Node #0,0: 56:[4, 85, 60] Operation: 92-32=60 Exploring Operation: 92/4=23, Resulting Numbers: [32, 85, 23] Generated Node #0,1: 56:[32, 85, 23] Operation: 92/4=23 Exploring Operation: 92-85=7, Resulting Numbers: [4, 32, 7] Generated Node #0,2: 56:[4, 32, 7] Operation: 92-85=7 Exploring Operation: 85-32=53, Resulting Numbers: [4, 92, 53] Generated Node #0,3: 56:[4, 92, 53] Operation: 85-32=53 Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[4, 32, 7], Operations: ['92-85=7'] Exploring Operation: 32-4=28, Resulting Numbers: [7, 28] Generated Node #0,2,0: 56:[7, 28] Operation: 32-4=28 Exploring Operation: 4*7=28, Resulting Numbers: [32, 28] Generated Node #0,2,1: 56:[32, 28] Operation: 4*7=28 Exploring Operation: 32/4=8, Resulting Numbers: [7, 8] Generated Node #0,2,2: 56:[7, 8] Operation: 32/4=8 Exploring Operation: 32-7=25, Resulting Numbers: [4, 25] Generated Node #0,2,3: 56:[4, 25] Operation: 32-7=25 Moving to Node #0,2,0 Current State: 56:[7, 28], Operations: ['92-85=7', '32-4=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 7*28=196, Resulting Numbers: [196] 196,56 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[7, 8], Operations: ['92-85=7', '32/4=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[4, 32, 85, 92], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [4, 32, 7] Generated Node #0,2: 56:[4, 32, 7] Operation: 92-85=7 Moving to Node #0,2 Current State: 56:[4, 32, 7], Operations: ['92-85=7'] Exploring Operation: 32/4=8, Resulting Numbers: [7, 8] Generated Node #0,2,2: 56:[7, 8] Operation: 32/4=8 Moving to Node #0,2,2 Current State: 56:[7, 8], Operations: ['92-85=7', '32/4=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 87, 11, 80, 81 ]
75
[ "87-11=76", "81-80=1", "76-1=75" ]
Current State: 75:[87, 11, 80, 81], Operations: [] Exploring Operation: 87-11=76, Resulting Numbers: [80, 81, 76] Generated Node #2: [80, 81, 76] from Operation: 87-11=76 Current State: 75:[80, 81, 76], Operations: ['87-11=76'] Exploring Operation: 81-80=1, Resulting Numbers: [76, 1] Generated Node #3: [76, 1] from Operation: 81-80=1 Current State: 75:[76, 1], Operations: ['87-11=76', '81-80=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[87, 11, 80, 81], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [11, 81, 7] Generated Node #0,0: 75:[11, 81, 7] Operation: 87-80=7 Exploring Operation: 87-81=6, Resulting Numbers: [11, 80, 6] Generated Node #0,1: 75:[11, 80, 6] Operation: 87-81=6 Exploring Operation: 87-11=76, Resulting Numbers: [80, 81, 76] Generated Node #0,2: 75:[80, 81, 76] Operation: 87-11=76 Moving to Node #0,1 Current State: 75:[11, 80, 6], Operations: ['87-81=6'] Exploring Operation: 80-6=74, Resulting Numbers: [11, 74] Generated Node #0,1,0: 75:[11, 74] Operation: 80-6=74 Exploring Operation: 11-6=5, Resulting Numbers: [80, 5] Generated Node #0,1,1: 75:[80, 5] Operation: 11-6=5 Exploring Operation: 80-11=69, Resulting Numbers: [6, 69] Generated Node #0,1,2: 75:[6, 69] Operation: 80-11=69 Moving to Node #0,0 Current State: 75:[11, 81, 7], Operations: ['87-80=7'] Exploring Operation: 11-7=4, Resulting Numbers: [81, 4] Generated Node #0,0,0: 75:[81, 4] Operation: 11-7=4 Exploring Operation: 81-7=74, Resulting Numbers: [11, 74] Generated Node #0,0,1: 75:[11, 74] Operation: 81-7=74 Exploring Operation: 81-11=70, Resulting Numbers: [7, 70] Generated Node #0,0,2: 75:[7, 70] Operation: 81-11=70 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[11, 74], Operations: ['87-80=7', '81-7=74'] Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,75 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,75 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 #0,0,0 Current State: 75:[81, 4], Operations: ['87-80=7', '11-7=4'] Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,75 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,75 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 #0,0,2 Current State: 75:[7, 70], Operations: ['87-80=7', '81-11=70'] Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,75 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: 75:[80, 81, 76], Operations: ['87-11=76'] Exploring Operation: 81-80=1, Resulting Numbers: [76, 1] Generated Node #0,2,0: 75:[76, 1] Operation: 81-80=1 Exploring Operation: 81-76=5, Resulting Numbers: [80, 5] Generated Node #0,2,1: 75:[80, 5] Operation: 81-76=5 Exploring Operation: 80-76=4, Resulting Numbers: [81, 4] Generated Node #0,2,2: 75:[81, 4] Operation: 80-76=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 75:[76, 1], Operations: ['87-11=76', '81-80=1'] Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[87, 11, 80, 81], Operations: [] Exploring Operation: 87-11=76, Resulting Numbers: [80, 81, 76] Generated Node #0,2: 75:[80, 81, 76] Operation: 87-11=76 Moving to Node #0,2 Current State: 75:[80, 81, 76], Operations: ['87-11=76'] Exploring Operation: 81-80=1, Resulting Numbers: [76, 1] Generated Node #0,2,0: 75:[76, 1] Operation: 81-80=1 Moving to Node #0,2,0 Current State: 75:[76, 1], Operations: ['87-11=76', '81-80=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 22, 79, 35, 42 ]
94
[ "22+79=101", "42-35=7", "101-7=94" ]
Current State: 94:[22, 79, 35, 42], Operations: [] Exploring Operation: 22+79=101, Resulting Numbers: [35, 42, 101] Generated Node #2: [35, 42, 101] from Operation: 22+79=101 Current State: 94:[35, 42, 101], Operations: ['22+79=101'] Exploring Operation: 42-35=7, Resulting Numbers: [101, 7] Generated Node #3: [101, 7] from Operation: 42-35=7 Current State: 94:[101, 7], Operations: ['22+79=101', '42-35=7'] Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[22, 79, 35, 42], Operations: [] Exploring Operation: 79-22=57, Resulting Numbers: [35, 42, 57] Generated Node #0,0: 94:[35, 42, 57] Operation: 79-22=57 Exploring Operation: 79-35=44, Resulting Numbers: [22, 42, 44] Generated Node #0,1: 94:[22, 42, 44] Operation: 79-35=44 Exploring Operation: 22+35=57, Resulting Numbers: [79, 42, 57] Generated Node #0,2: 94:[79, 42, 57] Operation: 22+35=57 Exploring Operation: 22+79=101, Resulting Numbers: [35, 42, 101] Generated Node #0,3: 94:[35, 42, 101] Operation: 22+79=101 Moving to Node #0,3 Current State: 94:[35, 42, 101], Operations: ['22+79=101'] Exploring Operation: 42-35=7, Resulting Numbers: [101, 7] Generated Node #0,3,0: 94:[101, 7] Operation: 42-35=7 Exploring Operation: 101-35=66, Resulting Numbers: [42, 66] Generated Node #0,3,1: 94:[42, 66] Operation: 101-35=66 Exploring Operation: 101-42=59, Resulting Numbers: [35, 59] Generated Node #0,3,2: 94:[35, 59] Operation: 101-42=59 Exploring Operation: 35+42=77, Resulting Numbers: [101, 77] Generated Node #0,3,3: 94:[101, 77] Operation: 35+42=77 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 94:[101, 7], Operations: ['22+79=101', '42-35=7'] Exploring Operation: 101*7=707, Resulting Numbers: [707] 707,94 unequal: No Solution Exploring Operation: 101+7=108, Resulting Numbers: [108] 108,94 unequal: No Solution Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[22, 79, 35, 42], Operations: [] Exploring Operation: 22+79=101, Resulting Numbers: [35, 42, 101] Generated Node #0,3: 94:[35, 42, 101] Operation: 22+79=101 Moving to Node #0,3 Current State: 94:[35, 42, 101], Operations: ['22+79=101'] Exploring Operation: 42-35=7, Resulting Numbers: [101, 7] Generated Node #0,3,0: 94:[101, 7] Operation: 42-35=7 Moving to Node #0,3,0 Current State: 94:[101, 7], Operations: ['22+79=101', '42-35=7'] Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 87, 45, 48, 51 ]
89
[ "45+51=96", "96/48=2", "87+2=89" ]
Current State: 89:[87, 45, 48, 51], Operations: [] Exploring Operation: 45+51=96, Resulting Numbers: [87, 48, 96] Generated Node #2: [87, 48, 96] from Operation: 45+51=96 Current State: 89:[87, 48, 96], Operations: ['45+51=96'] Exploring Operation: 96/48=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 96/48=2 Current State: 89:[87, 2], Operations: ['45+51=96', '96/48=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[87, 45, 48, 51], Operations: [] Exploring Operation: 45+48=93, Resulting Numbers: [87, 51, 93] Generated Node #0,0: 89:[87, 51, 93] Operation: 45+48=93 Exploring Operation: 45+51=96, Resulting Numbers: [87, 48, 96] Generated Node #0,1: 89:[87, 48, 96] Operation: 45+51=96 Exploring Operation: 48+51=99, Resulting Numbers: [87, 45, 99] Generated Node #0,2: 89:[87, 45, 99] Operation: 48+51=99 Moving to Node #0,0 Current State: 89:[87, 51, 93], Operations: ['45+48=93'] Exploring Operation: 93-51=42, Resulting Numbers: [87, 42] Generated Node #0,0,0: 89:[87, 42] Operation: 93-51=42 Exploring Operation: 87+51=138, Resulting Numbers: [93, 138] Generated Node #0,0,1: 89:[93, 138] Operation: 87+51=138 Exploring Operation: 87-51=36, Resulting Numbers: [93, 36] Generated Node #0,0,2: 89:[93, 36] Operation: 87-51=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[87, 42], Operations: ['45+48=93', '93-51=42'] Exploring Operation: 87+42=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 87*42=3654, Resulting Numbers: [3654] 3654,89 unequal: No Solution Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[93, 138], Operations: ['45+48=93', '87+51=138'] Exploring Operation: 138-93=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 93+138=231, Resulting Numbers: [231] 231,89 unequal: No Solution Exploring Operation: 93*138=12834, Resulting Numbers: [12834] 12834,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[93, 36], Operations: ['45+48=93', '87-51=36'] Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,89 unequal: No Solution Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,89 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: 89:[87, 48, 96], Operations: ['45+51=96'] Exploring Operation: 87+48=135, Resulting Numbers: [96, 135] Generated Node #0,1,0: 89:[96, 135] Operation: 87+48=135 Exploring Operation: 87-48=39, Resulting Numbers: [96, 39] Generated Node #0,1,1: 89:[96, 39] Operation: 87-48=39 Exploring Operation: 96-48=48, Resulting Numbers: [87, 48] Generated Node #0,1,2: 89:[87, 48] Operation: 96-48=48 Moving to Node #0,2 Current State: 89:[87, 45, 99], Operations: ['48+51=99'] Exploring Operation: 87+45=132, Resulting Numbers: [99, 132] Generated Node #0,2,0: 89:[99, 132] Operation: 87+45=132 Exploring Operation: 87-45=42, Resulting Numbers: [99, 42] Generated Node #0,2,1: 89:[99, 42] Operation: 87-45=42 Exploring Operation: 99-45=54, Resulting Numbers: [87, 54] Generated Node #0,2,2: 89:[87, 54] Operation: 99-45=54 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[87, 54], Operations: ['48+51=99', '99-45=54'] Exploring Operation: 87*54=4698, Resulting Numbers: [4698] 4698,89 unequal: No Solution Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 87+54=141, Resulting Numbers: [141] 141,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[99, 132], Operations: ['48+51=99', '87+45=132'] Exploring Operation: 99+132=231, Resulting Numbers: [231] 231,89 unequal: No Solution Exploring Operation: 132-99=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 99*132=13068, Resulting Numbers: [13068] 13068,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[99, 42], Operations: ['48+51=99', '87-45=42'] Exploring Operation: 99+42=141, Resulting Numbers: [141] 141,89 unequal: No Solution Exploring Operation: 99*42=4158, Resulting Numbers: [4158] 4158,89 unequal: No Solution Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,89 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: 89:[87, 48], Operations: ['45+51=96', '96-48=48'] Exploring Operation: 87+48=135, Resulting Numbers: [135] 135,89 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 87*48=4176, Resulting Numbers: [4176] 4176,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[96, 135], Operations: ['45+51=96', '87+48=135'] Exploring Operation: 96*135=12960, Resulting Numbers: [12960] 12960,89 unequal: No Solution Exploring Operation: 135-96=39, Resulting Numbers: [39] 39,89 unequal: No Solution Exploring Operation: 96+135=231, Resulting Numbers: [231] 231,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[96, 39], Operations: ['45+51=96', '87-48=39'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,89 unequal: No Solution Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,89 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 65, 29, 26, 77 ]
15
[ "65-29=36", "77-26=51", "51-36=15" ]
Current State: 15:[65, 29, 26, 77], Operations: [] Exploring Operation: 65-29=36, Resulting Numbers: [26, 77, 36] Generated Node #2: [26, 77, 36] from Operation: 65-29=36 Current State: 15:[26, 77, 36], Operations: ['65-29=36'] Exploring Operation: 77-26=51, Resulting Numbers: [36, 51] Generated Node #3: [36, 51] from Operation: 77-26=51 Current State: 15:[36, 51], Operations: ['65-29=36', '77-26=51'] Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[65, 29, 26, 77], Operations: [] Exploring Operation: 77-29=48, Resulting Numbers: [65, 26, 48] Generated Node #0,0: 15:[65, 26, 48] Operation: 77-29=48 Exploring Operation: 65-29=36, Resulting Numbers: [26, 77, 36] Generated Node #0,1: 15:[26, 77, 36] Operation: 65-29=36 Exploring Operation: 65-26=39, Resulting Numbers: [29, 77, 39] Generated Node #0,2: 15:[29, 77, 39] Operation: 65-26=39 Exploring Operation: 77-65=12, Resulting Numbers: [29, 26, 12] Generated Node #0,3: 15:[29, 26, 12] Operation: 77-65=12 Exploring Operation: 77-26=51, Resulting Numbers: [65, 29, 51] Generated Node #0,4: 15:[65, 29, 51] Operation: 77-26=51 Moving to Node #0,3 Current State: 15:[29, 26, 12], Operations: ['77-65=12'] Exploring Operation: 29-12=17, Resulting Numbers: [26, 17] Generated Node #0,3,0: 15:[26, 17] Operation: 29-12=17 Exploring Operation: 29-26=3, Resulting Numbers: [12, 3] Generated Node #0,3,1: 15:[12, 3] Operation: 29-26=3 Exploring Operation: 26-12=14, Resulting Numbers: [29, 14] Generated Node #0,3,2: 15:[29, 14] Operation: 26-12=14 Exploring Operation: 26+12=38, Resulting Numbers: [29, 38] Generated Node #0,3,3: 15:[29, 38] Operation: 26+12=38 Exploring Operation: 29+12=41, Resulting Numbers: [26, 41] Generated Node #0,3,4: 15:[26, 41] Operation: 29+12=41 Moving to Node #0,1 Current State: 15:[26, 77, 36], Operations: ['65-29=36'] Exploring Operation: 26+77=103, Resulting Numbers: [36, 103] Generated Node #0,1,0: 15:[36, 103] Operation: 26+77=103 Exploring Operation: 26+36=62, Resulting Numbers: [77, 62] Generated Node #0,1,1: 15:[77, 62] Operation: 26+36=62 Exploring Operation: 36-26=10, Resulting Numbers: [77, 10] Generated Node #0,1,2: 15:[77, 10] Operation: 36-26=10 Exploring Operation: 77-26=51, Resulting Numbers: [36, 51] Generated Node #0,1,3: 15:[36, 51] Operation: 77-26=51 Exploring Operation: 77-36=41, Resulting Numbers: [26, 41] Generated Node #0,1,4: 15:[26, 41] Operation: 77-36=41 Moving to Node #0,0 Current State: 15:[65, 26, 48], Operations: ['77-29=48'] Exploring Operation: 48-26=22, Resulting Numbers: [65, 22] Generated Node #0,0,0: 15:[65, 22] Operation: 48-26=22 Exploring Operation: 65+26=91, Resulting Numbers: [48, 91] Generated Node #0,0,1: 15:[48, 91] Operation: 65+26=91 Exploring Operation: 65+48=113, Resulting Numbers: [26, 113] Generated Node #0,0,2: 15:[26, 113] Operation: 65+48=113 Exploring Operation: 65-26=39, Resulting Numbers: [48, 39] Generated Node #0,0,3: 15:[48, 39] Operation: 65-26=39 Exploring Operation: 65-48=17, Resulting Numbers: [26, 17] Generated Node #0,0,4: 15:[26, 17] Operation: 65-48=17 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 15:[26, 17], Operations: ['77-29=48', '65-48=17'] Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,15 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,15 unequal: No Solution No 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: 15:[65, 22], Operations: ['77-29=48', '48-26=22'] Exploring Operation: 65+22=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 65*22=1430, Resulting Numbers: [1430] 1430,15 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,15 unequal: No Solution No 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: 15:[48, 39], Operations: ['77-29=48', '65-26=39'] Exploring Operation: 48*39=1872, Resulting Numbers: [1872] 1872,15 unequal: No Solution Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,15 unequal: No Solution No 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: 15:[48, 91], Operations: ['77-29=48', '65+26=91'] Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,15 unequal: No Solution Exploring Operation: 48+91=139, Resulting Numbers: [139] 139,15 unequal: No Solution Exploring Operation: 48*91=4368, Resulting Numbers: [4368] 4368,15 unequal: No Solution No 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: 15:[26, 113], Operations: ['77-29=48', '65+48=113'] Exploring Operation: 26+113=139, Resulting Numbers: [139] 139,15 unequal: No Solution Exploring Operation: 113-26=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 26*113=2938, Resulting Numbers: [2938] 2938,15 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: 15:[29, 77, 39], Operations: ['65-26=39'] Exploring Operation: 29+39=68, Resulting Numbers: [77, 68] Generated Node #0,2,0: 15:[77, 68] Operation: 29+39=68 Exploring Operation: 39-29=10, Resulting Numbers: [77, 10] Generated Node #0,2,1: 15:[77, 10] Operation: 39-29=10 Exploring Operation: 77-39=38, Resulting Numbers: [29, 38] Generated Node #0,2,2: 15:[29, 38] Operation: 77-39=38 Exploring Operation: 77-29=48, Resulting Numbers: [39, 48] Generated Node #0,2,3: 15:[39, 48] Operation: 77-29=48 Exploring Operation: 29+77=106, Resulting Numbers: [39, 106] Generated Node #0,2,4: 15:[39, 106] Operation: 29+77=106 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[29, 38], Operations: ['65-26=39', '77-39=38'] Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,15 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,15 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,15 unequal: No Solution No 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: 15:[39, 48], Operations: ['65-26=39', '77-29=48'] Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,15 unequal: No Solution No 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: 15:[77, 10], Operations: ['65-26=39', '39-29=10'] Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,15 unequal: No Solution Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,15 unequal: No Solution No 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: 15:[77, 68], Operations: ['65-26=39', '29+39=68'] Exploring Operation: 77+68=145, Resulting Numbers: [145] 145,15 unequal: No Solution Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 77*68=5236, Resulting Numbers: [5236] 5236,15 unequal: No Solution No 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: 15:[39, 106], Operations: ['65-26=39', '29+77=106'] Exploring Operation: 39*106=4134, Resulting Numbers: [4134] 4134,15 unequal: No Solution Exploring Operation: 39+106=145, Resulting Numbers: [145] 145,15 unequal: No Solution Exploring Operation: 106-39=67, Resulting Numbers: [67] 67,15 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: 15:[65, 29, 51], Operations: ['77-26=51'] Exploring Operation: 51-29=22, Resulting Numbers: [65, 22] Generated Node #0,4,0: 15:[65, 22] Operation: 51-29=22 Exploring Operation: 65+51=116, Resulting Numbers: [29, 116] Generated Node #0,4,1: 15:[29, 116] Operation: 65+51=116 Exploring Operation: 65+29=94, Resulting Numbers: [51, 94] Generated Node #0,4,2: 15:[51, 94] Operation: 65+29=94 Exploring Operation: 65-51=14, Resulting Numbers: [29, 14] Generated Node #0,4,3: 15:[29, 14] Operation: 65-51=14 Exploring Operation: 65-29=36, Resulting Numbers: [51, 36] Generated Node #0,4,4: 15:[51, 36] Operation: 65-29=36 Moving to Node #0,3,1 Current State: 15:[12, 3], Operations: ['77-65=12', '29-26=3'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[65, 29, 26, 77], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [29, 26, 12] Generated Node #0,3: 15:[29, 26, 12] Operation: 77-65=12 Moving to Node #0,3 Current State: 15:[29, 26, 12], Operations: ['77-65=12'] Exploring Operation: 29-26=3, Resulting Numbers: [12, 3] Generated Node #0,3,1: 15:[12, 3] Operation: 29-26=3 Moving to Node #0,3,1 Current State: 15:[12, 3], Operations: ['77-65=12', '29-26=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 5, 5, 4, 20 ]
99
[ "5-4=1", "5*20=100", "100-1=99" ]
Current State: 99:[5, 5, 4, 20], Operations: [] Exploring Operation: 5-4=1, Resulting Numbers: [20, 1] Generated Node #2: [20, 1] from Operation: 5-4=1 Current State: 99:[20, 1], Operations: ['5-4=1'] Exploring Operation: 5*20=100, Resulting Numbers: [1, 100] Generated Node #3: [1, 100] from Operation: 5*20=100 Current State: 99:[1, 100], Operations: ['5-4=1', '5*20=100'] Exploring Operation: 100-1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[5, 5, 4, 20], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [5, 4, 4] Generated Node #0,0: 99:[5, 4, 4] Operation: 20/5=4 Exploring Operation: 20/5=4, Resulting Numbers: [5, 4, 4] Generated Node #0,1: 99:[5, 4, 4] Operation: 20/5=4 Exploring Operation: 20/4=5, Resulting Numbers: [5, 5, 5] Generated Node #0,2: 99:[5, 5, 5] Operation: 20/4=5 Exploring Operation: 5*20=100, Resulting Numbers: [5, 4, 100] Generated Node #0,3: 99:[5, 4, 100] Operation: 5*20=100 Exploring Operation: 5*20=100, Resulting Numbers: [5, 4, 100] Generated Node #0,4: 99:[5, 4, 100] Operation: 5*20=100 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[5, 4, 4], Operations: ['20/5=4'] Exploring Operation: 5-4=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 99:[4, 1] Operation: 5-4=1 Exploring Operation: 5+4=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 99:[4, 9] Operation: 5+4=9 Exploring Operation: 5+4=9, Resulting Numbers: [4, 9] Generated Node #0,0,2: 99:[4, 9] Operation: 5+4=9 Exploring Operation: 4+4=8, Resulting Numbers: [5, 8] Generated Node #0,0,3: 99:[5, 8] Operation: 4+4=8 Exploring Operation: 5-4=1, Resulting Numbers: [4, 1] Generated Node #0,0,4: 99:[4, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 99:[4, 9], Operations: ['20/5=4', '5+4=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 99:[4, 9], Operations: ['20/5=4', '5+4=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[4, 1], Operations: ['20/5=4', '5-4=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 99:[5, 8], Operations: ['20/5=4', '4+4=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 99:[4, 1], Operations: ['20/5=4', '5-4=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[5, 4, 4], Operations: ['20/5=4'] Exploring Operation: 5+4=9, Resulting Numbers: [4, 9] Generated Node #0,1,0: 99:[4, 9] Operation: 5+4=9 Exploring Operation: 5+4=9, Resulting Numbers: [4, 9] Generated Node #0,1,1: 99:[4, 9] Operation: 5+4=9 Exploring Operation: 4+4=8, Resulting Numbers: [5, 8] Generated Node #0,1,2: 99:[5, 8] Operation: 4+4=8 Exploring Operation: 5-4=1, Resulting Numbers: [4, 1] Generated Node #0,1,3: 99:[4, 1] Operation: 5-4=1 Exploring Operation: 5-4=1, Resulting Numbers: [4, 1] Generated Node #0,1,4: 99:[4, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[4, 9], Operations: ['20/5=4', '5+4=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[4, 9], Operations: ['20/5=4', '5+4=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,99 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[5, 8], Operations: ['20/5=4', '4+4=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[4, 1], Operations: ['20/5=4', '5-4=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 99:[4, 1], Operations: ['20/5=4', '5-4=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[5, 4, 100], Operations: ['5*20=100'] Exploring Operation: 100-4=96, Resulting Numbers: [5, 96] Generated Node #0,3,0: 99:[5, 96] Operation: 100-4=96 Exploring Operation: 5+100=105, Resulting Numbers: [4, 105] Generated Node #0,3,1: 99:[4, 105] Operation: 5+100=105 Exploring Operation: 5+4=9, Resulting Numbers: [100, 9] Generated Node #0,3,2: 99:[100, 9] Operation: 5+4=9 Exploring Operation: 100-5=95, Resulting Numbers: [4, 95] Generated Node #0,3,3: 99:[4, 95] Operation: 100-5=95 Exploring Operation: 5-4=1, Resulting Numbers: [100, 1] Generated Node #0,3,4: 99:[100, 1] Operation: 5-4=1 Moving to Node #0,3,2 Current State: 99:[100, 9], Operations: ['5*20=100', '5+4=9'] Exploring Operation: 100+9=109, Resulting Numbers: [109] 109,99 unequal: No Solution Exploring Operation: 100*9=900, Resulting Numbers: [900] 900,99 unequal: No Solution Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[100, 1], Operations: ['5*20=100', '5-4=1'] Exploring Operation: 100+1=101, Resulting Numbers: [101] 101,99 unequal: No Solution Exploring Operation: 100*1=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 100-1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[5, 5, 4, 20], Operations: [] Exploring Operation: 5*20=100, Resulting Numbers: [5, 4, 100] Generated Node #0,3: 99:[5, 4, 100] Operation: 5*20=100 Moving to Node #0,3 Current State: 99:[5, 4, 100], Operations: ['5*20=100'] Exploring Operation: 5-4=1, Resulting Numbers: [100, 1] Generated Node #0,3,4: 99:[100, 1] Operation: 5-4=1 Moving to Node #0,3,4 Current State: 99:[100, 1], Operations: ['5*20=100', '5-4=1'] Exploring Operation: 100-1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.943576
hs_5
mult_heuristic
[ 23, 79, 16, 23 ]
62
[ "23/23=1", "79-16=63", "63-1=62" ]
Current State: 62:[23, 79, 16, 23], Operations: [] Exploring Operation: 23/23=1, Resulting Numbers: [79, 16, 1] Generated Node #2: [79, 16, 1] from Operation: 23/23=1 Current State: 62:[79, 16, 1], Operations: ['23/23=1'] Exploring Operation: 79-16=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 79-16=63 Current State: 62:[1, 63], Operations: ['23/23=1', '79-16=63'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[23, 79, 16, 23], Operations: [] Exploring Operation: 23-16=7, Resulting Numbers: [23, 79, 7] Generated Node #0,0: 62:[23, 79, 7] Operation: 23-16=7 Exploring Operation: 79-23=56, Resulting Numbers: [23, 16, 56] Generated Node #0,1: 62:[23, 16, 56] Operation: 79-23=56 Exploring Operation: 79-16=63, Resulting Numbers: [23, 23, 63] Generated Node #0,2: 62:[23, 23, 63] Operation: 79-16=63 Exploring Operation: 23-16=7, Resulting Numbers: [79, 23, 7] Generated Node #0,3: 62:[79, 23, 7] Operation: 23-16=7 Exploring Operation: 79-23=56, Resulting Numbers: [16, 23, 56] Generated Node #0,4: 62:[16, 23, 56] Operation: 79-23=56 Moving to Node #0,2 Current State: 62:[23, 23, 63], Operations: ['79-16=63'] Exploring Operation: 63-23=40, Resulting Numbers: [23, 40] Generated Node #0,2,0: 62:[23, 40] Operation: 63-23=40 Exploring Operation: 23/23=1, Resulting Numbers: [63, 1] Generated Node #0,2,1: 62:[63, 1] Operation: 23/23=1 Exploring Operation: 23-23=0, Resulting Numbers: [63, 0] Generated Node #0,2,2: 62:[63, 0] Operation: 23-23=0 Exploring Operation: 23+23=46, Resulting Numbers: [63, 46] Generated Node #0,2,3: 62:[63, 46] Operation: 23+23=46 Exploring Operation: 63-23=40, Resulting Numbers: [23, 40] Generated Node #0,2,4: 62:[23, 40] Operation: 63-23=40 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[63, 1], Operations: ['79-16=63', '23/23=1'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[23, 79, 16, 23], Operations: [] Exploring Operation: 79-16=63, Resulting Numbers: [23, 23, 63] Generated Node #0,2: 62:[23, 23, 63] Operation: 79-16=63 Moving to Node #0,2 Current State: 62:[23, 23, 63], Operations: ['79-16=63'] Exploring Operation: 23/23=1, Resulting Numbers: [63, 1] Generated Node #0,2,1: 62:[63, 1] Operation: 23/23=1 Moving to Node #0,2,1 Current State: 62:[63, 1], Operations: ['79-16=63', '23/23=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 2, 54, 95, 41 ]
81
[ "54/2=27", "95-41=54", "27+54=81" ]
Current State: 81:[2, 54, 95, 41], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [95, 41, 27] Generated Node #2: [95, 41, 27] from Operation: 54/2=27 Current State: 81:[95, 41, 27], Operations: ['54/2=27'] Exploring Operation: 95-41=54, Resulting Numbers: [27, 54] Generated Node #3: [27, 54] from Operation: 95-41=54 Current State: 81:[27, 54], Operations: ['54/2=27', '95-41=54'] Exploring Operation: 27+54=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[2, 54, 95, 41], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [95, 41, 27] Generated Node #0,0: 81:[95, 41, 27] Operation: 54/2=27 Exploring Operation: 2*41=82, Resulting Numbers: [54, 95, 82] Generated Node #0,1: 81:[54, 95, 82] Operation: 2*41=82 Exploring Operation: 54+41=95, Resulting Numbers: [2, 95, 95] Generated Node #0,2: 81:[2, 95, 95] Operation: 54+41=95 Exploring Operation: 54-41=13, Resulting Numbers: [2, 95, 13] Generated Node #0,3: 81:[2, 95, 13] Operation: 54-41=13 Exploring Operation: 95-54=41, Resulting Numbers: [2, 41, 41] Generated Node #0,4: 81:[2, 41, 41] Operation: 95-54=41 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[2, 95, 13], Operations: ['54-41=13'] Exploring Operation: 2+95=97, Resulting Numbers: [13, 97] Generated Node #0,3,0: 81:[13, 97] Operation: 2+95=97 Exploring Operation: 13-2=11, Resulting Numbers: [95, 11] Generated Node #0,3,1: 81:[95, 11] Operation: 13-2=11 Exploring Operation: 95-2=93, Resulting Numbers: [13, 93] Generated Node #0,3,2: 81:[13, 93] Operation: 95-2=93 Exploring Operation: 95-13=82, Resulting Numbers: [2, 82] Generated Node #0,3,3: 81:[2, 82] Operation: 95-13=82 Exploring Operation: 2*13=26, Resulting Numbers: [95, 26] Generated Node #0,3,4: 81:[95, 26] Operation: 2*13=26 Moving to Node #0,3,3 Current State: 81:[2, 82], Operations: ['54-41=13', '95-13=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,81 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 2*82=164, Resulting Numbers: [164] 164,81 unequal: No Solution Moving to Node #0,3,4 Current State: 81:[95, 26], Operations: ['54-41=13', '2*13=26'] Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 95*26=2470, Resulting Numbers: [2470] 2470,81 unequal: No Solution Exploring Operation: 95+26=121, Resulting Numbers: [121] 121,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[95, 11], Operations: ['54-41=13', '13-2=11'] Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,81 unequal: No Solution Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[13, 93], Operations: ['54-41=13', '95-2=93'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 13+93=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 13*93=1209, Resulting Numbers: [1209] 1209,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[13, 97], Operations: ['54-41=13', '2+95=97'] Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,81 unequal: No Solution Exploring Operation: 13+97=110, Resulting Numbers: [110] 110,81 unequal: No Solution Exploring Operation: 13*97=1261, Resulting Numbers: [1261] 1261,81 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 #0,0 Current State: 81:[95, 41, 27], Operations: ['54/2=27'] Exploring Operation: 41+27=68, Resulting Numbers: [95, 68] Generated Node #0,0,0: 81:[95, 68] Operation: 41+27=68 Exploring Operation: 41-27=14, Resulting Numbers: [95, 14] Generated Node #0,0,1: 81:[95, 14] Operation: 41-27=14 Exploring Operation: 95-27=68, Resulting Numbers: [41, 68] Generated Node #0,0,2: 81:[41, 68] Operation: 95-27=68 Exploring Operation: 95-41=54, Resulting Numbers: [27, 54] Generated Node #0,0,3: 81:[27, 54] Operation: 95-41=54 Exploring Operation: 95+41=136, Resulting Numbers: [27, 136] Generated Node #0,0,4: 81:[27, 136] Operation: 95+41=136 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[95, 14], Operations: ['54/2=27', '41-27=14'] Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,81 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,81 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[2, 54, 95, 41], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [95, 41, 27] Generated Node #0,0: 81:[95, 41, 27] Operation: 54/2=27 Moving to Node #0,0 Current State: 81:[95, 41, 27], Operations: ['54/2=27'] Exploring Operation: 41-27=14, Resulting Numbers: [95, 14] Generated Node #0,0,1: 81:[95, 14] Operation: 41-27=14 Moving to Node #0,0,1 Current State: 81:[95, 14], Operations: ['54/2=27', '41-27=14'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 39, 36, 23, 51 ]
77
[ "39-36=3", "23+51=74", "3+74=77" ]
Current State: 77:[39, 36, 23, 51], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [23, 51, 3] Generated Node #2: [23, 51, 3] from Operation: 39-36=3 Current State: 77:[23, 51, 3], Operations: ['39-36=3'] Exploring Operation: 23+51=74, Resulting Numbers: [3, 74] Generated Node #3: [3, 74] from Operation: 23+51=74 Current State: 77:[3, 74], Operations: ['39-36=3', '23+51=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[39, 36, 23, 51], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [36, 23, 12] Generated Node #0,0: 77:[36, 23, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 77:[36, 23, 12], Operations: ['51-39=12'] Exploring Operation: 36-23=13, Resulting Numbers: [12, 13] Generated Node #0,0,0: 77:[12, 13] Operation: 36-23=13 Moving to Node #0,0,0 Current State: 77:[12, 13], Operations: ['51-39=12', '36-23=13'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 89, 77, 46, 66 ]
79
[ "89-66=23", "46/23=2", "77+2=79" ]
Current State: 79:[89, 77, 46, 66], Operations: [] Exploring Operation: 89-66=23, Resulting Numbers: [77, 46, 23] Generated Node #2: [77, 46, 23] from Operation: 89-66=23 Current State: 79:[77, 46, 23], Operations: ['89-66=23'] Exploring Operation: 46/23=2, Resulting Numbers: [77, 2] Generated Node #3: [77, 2] from Operation: 46/23=2 Current State: 79:[77, 2], Operations: ['89-66=23', '46/23=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[89, 77, 46, 66], Operations: [] Exploring Operation: 46+66=112, Resulting Numbers: [89, 77, 112] Generated Node #0,0: 79:[89, 77, 112] Operation: 46+66=112 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[89, 77, 112], Operations: ['46+66=112'] Exploring Operation: 112-77=35, Resulting Numbers: [89, 35] Generated Node #0,0,0: 79:[89, 35] Operation: 112-77=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[89, 35], Operations: ['46+66=112', '112-77=35'] Exploring Operation: 89-35=54, Resulting Numbers: [54] 54,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 37, 3, 53, 91 ]
78
[ "37+3=40", "91-53=38", "40+38=78" ]
Current State: 78:[37, 3, 53, 91], Operations: [] Exploring Operation: 37+3=40, Resulting Numbers: [53, 91, 40] Generated Node #2: [53, 91, 40] from Operation: 37+3=40 Current State: 78:[53, 91, 40], Operations: ['37+3=40'] Exploring Operation: 91-53=38, Resulting Numbers: [40, 38] Generated Node #3: [40, 38] from Operation: 91-53=38 Current State: 78:[40, 38], Operations: ['37+3=40', '91-53=38'] Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[37, 3, 53, 91], Operations: [] Exploring Operation: 91-53=38, Resulting Numbers: [37, 3, 38] Generated Node #0,0: 78:[37, 3, 38] Operation: 91-53=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[37, 3, 38], Operations: ['91-53=38'] Exploring Operation: 38-37=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 78:[3, 1] Operation: 38-37=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[3, 1], Operations: ['91-53=38', '38-37=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,78 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
[ 82, 9, 5, 15 ]
71
[ "82+9=91", "5+15=20", "91-20=71" ]
Current State: 71:[82, 9, 5, 15], Operations: [] Exploring Operation: 82+9=91, Resulting Numbers: [5, 15, 91] Generated Node #2: [5, 15, 91] from Operation: 82+9=91 Current State: 71:[5, 15, 91], Operations: ['82+9=91'] Exploring Operation: 5+15=20, Resulting Numbers: [91, 20] Generated Node #3: [91, 20] from Operation: 5+15=20 Current State: 71:[91, 20], Operations: ['82+9=91', '5+15=20'] Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[82, 9, 5, 15], Operations: [] Exploring Operation: 82-9=73, Resulting Numbers: [5, 15, 73] Generated Node #0,0: 71:[5, 15, 73] Operation: 82-9=73 Exploring Operation: 9*5=45, Resulting Numbers: [82, 15, 45] Generated Node #0,1: 71:[82, 15, 45] Operation: 9*5=45 Exploring Operation: 9+5=14, Resulting Numbers: [82, 15, 14] Generated Node #0,2: 71:[82, 15, 14] Operation: 9+5=14 Exploring Operation: 82-5=77, Resulting Numbers: [9, 15, 77] Generated Node #0,3: 71:[9, 15, 77] Operation: 82-5=77 Exploring Operation: 5*15=75, Resulting Numbers: [82, 9, 75] Generated Node #0,4: 71:[82, 9, 75] Operation: 5*15=75 Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[82, 9, 75], Operations: ['5*15=75'] Exploring Operation: 75-9=66, Resulting Numbers: [82, 66] Generated Node #0,4,0: 71:[82, 66] Operation: 75-9=66 Exploring Operation: 9+75=84, Resulting Numbers: [82, 84] Generated Node #0,4,1: 71:[82, 84] Operation: 9+75=84 Exploring Operation: 82-75=7, Resulting Numbers: [9, 7] Generated Node #0,4,2: 71:[9, 7] Operation: 82-75=7 Exploring Operation: 82+9=91, Resulting Numbers: [75, 91] Generated Node #0,4,3: 71:[75, 91] Operation: 82+9=91 Exploring Operation: 82-9=73, Resulting Numbers: [75, 73] Generated Node #0,4,4: 71:[75, 73] Operation: 82-9=73 Moving to Node #0,4,4 Current State: 71:[75, 73], Operations: ['5*15=75', '82-9=73'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,71 unequal: No Solution Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[82, 66], Operations: ['5*15=75', '75-9=66'] Exploring Operation: 82*66=5412, Resulting Numbers: [5412] 5412,71 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 82+66=148, Resulting Numbers: [148] 148,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[82, 84], Operations: ['5*15=75', '9+75=84'] Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,71 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[75, 91], Operations: ['5*15=75', '82+9=91'] Exploring Operation: 75*91=6825, Resulting Numbers: [6825] 6825,71 unequal: No Solution Exploring Operation: 75+91=166, Resulting Numbers: [166] 166,71 unequal: No Solution Exploring Operation: 91-75=16, Resulting Numbers: [16] 16,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[9, 7], Operations: ['5*15=75', '82-75=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[82, 15, 45], Operations: ['9*5=45'] Exploring Operation: 45/15=3, Resulting Numbers: [82, 3] Generated Node #0,1,0: 71:[82, 3] Operation: 45/15=3 Exploring Operation: 15+45=60, Resulting Numbers: [82, 60] Generated Node #0,1,1: 71:[82, 60] Operation: 15+45=60 Exploring Operation: 82+15=97, Resulting Numbers: [45, 97] Generated Node #0,1,2: 71:[45, 97] Operation: 82+15=97 Exploring Operation: 82-15=67, Resulting Numbers: [45, 67] Generated Node #0,1,3: 71:[45, 67] Operation: 82-15=67 Exploring Operation: 45-15=30, Resulting Numbers: [82, 30] Generated Node #0,1,4: 71:[82, 30] Operation: 45-15=30 Moving to Node #0,1,1 Current State: 71:[82, 60], Operations: ['9*5=45', '15+45=60'] Exploring Operation: 82*60=4920, Resulting Numbers: [4920] 4920,71 unequal: No Solution Exploring Operation: 82+60=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[45, 67], Operations: ['9*5=45', '82-15=67'] Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 45*67=3015, Resulting Numbers: [3015] 3015,71 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[45, 97], Operations: ['9*5=45', '82+15=97'] Exploring Operation: 97-45=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 45+97=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 45*97=4365, Resulting Numbers: [4365] 4365,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[82, 30], Operations: ['9*5=45', '45-15=30'] Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,71 unequal: No Solution Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,71 unequal: No Solution Exploring Operation: 82*30=2460, Resulting Numbers: [2460] 2460,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[82, 3], Operations: ['9*5=45', '45/15=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,71 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[5, 15, 73], Operations: ['82-9=73'] Exploring Operation: 15-5=10, Resulting Numbers: [73, 10] Generated Node #0,0,0: 71:[73, 10] Operation: 15-5=10 Exploring Operation: 73-5=68, Resulting Numbers: [15, 68] Generated Node #0,0,1: 71:[15, 68] Operation: 73-5=68 Exploring Operation: 5+15=20, Resulting Numbers: [73, 20] Generated Node #0,0,2: 71:[73, 20] Operation: 5+15=20 Exploring Operation: 5+73=78, Resulting Numbers: [15, 78] Generated Node #0,0,3: 71:[15, 78] Operation: 5+73=78 Exploring Operation: 5*15=75, Resulting Numbers: [73, 75] Generated Node #0,0,4: 71:[73, 75] Operation: 5*15=75 Moving to Node #0,0,4 Current State: 71:[73, 75], Operations: ['82-9=73', '5*15=75'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 73*75=5475, Resulting Numbers: [5475] 5475,71 unequal: No Solution Exploring Operation: 73+75=148, Resulting Numbers: [148] 148,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[73, 20], Operations: ['82-9=73', '5+15=20'] Exploring Operation: 73+20=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 73*20=1460, Resulting Numbers: [1460] 1460,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[15, 68], Operations: ['82-9=73', '73-5=68'] Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[73, 10], Operations: ['82-9=73', '15-5=10'] Exploring Operation: 73*10=730, Resulting Numbers: [730] 730,71 unequal: No Solution Exploring Operation: 73+10=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[15, 78], Operations: ['82-9=73', '5+73=78'] Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 15+78=93, Resulting Numbers: [93] 93,71 unequal: No Solution Exploring Operation: 15*78=1170, Resulting Numbers: [1170] 1170,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[82, 15, 14], Operations: ['9+5=14'] Exploring Operation: 82+14=96, Resulting Numbers: [15, 96] Generated Node #0,2,0: 71:[15, 96] Operation: 82+14=96 Exploring Operation: 82-14=68, Resulting Numbers: [15, 68] Generated Node #0,2,1: 71:[15, 68] Operation: 82-14=68 Exploring Operation: 15+14=29, Resulting Numbers: [82, 29] Generated Node #0,2,2: 71:[82, 29] Operation: 15+14=29 Exploring Operation: 82-15=67, Resulting Numbers: [14, 67] Generated Node #0,2,3: 71:[14, 67] Operation: 82-15=67 Exploring Operation: 15-14=1, Resulting Numbers: [82, 1] Generated Node #0,2,4: 71:[82, 1] Operation: 15-14=1 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[82, 29], Operations: ['9+5=14', '15+14=29'] Exploring Operation: 82+29=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 82*29=2378, Resulting Numbers: [2378] 2378,71 unequal: No Solution Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[15, 68], Operations: ['9+5=14', '82-14=68'] Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[14, 67], Operations: ['9+5=14', '82-15=67'] Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,71 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[15, 96], Operations: ['9+5=14', '82+14=96'] Exploring Operation: 15*96=1440, Resulting Numbers: [1440] 1440,71 unequal: No Solution Exploring Operation: 15+96=111, Resulting Numbers: [111] 111,71 unequal: No Solution Exploring Operation: 96-15=81, Resulting Numbers: [81] 81,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 71:[82, 1], Operations: ['9+5=14', '15-14=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,71 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[9, 15, 77], Operations: ['82-5=77'] Exploring Operation: 77-9=68, Resulting Numbers: [15, 68] Generated Node #0,3,0: 71:[15, 68] Operation: 77-9=68 Exploring Operation: 9+15=24, Resulting Numbers: [77, 24] Generated Node #0,3,1: 71:[77, 24] Operation: 9+15=24 Exploring Operation: 9*15=135, Resulting Numbers: [77, 135] Generated Node #0,3,2: 71:[77, 135] Operation: 9*15=135 Exploring Operation: 15-9=6, Resulting Numbers: [77, 6] Generated Node #0,3,3: 71:[77, 6] Operation: 15-9=6 Exploring Operation: 9+77=86, Resulting Numbers: [15, 86] Generated Node #0,3,4: 71:[15, 86] Operation: 9+77=86 Moving to Node #0,3,1 Current State: 71:[77, 24], Operations: ['82-5=77', '9+15=24'] Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,71 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,71 unequal: No Solution Exploring Operation: 77*24=1848, Resulting Numbers: [1848] 1848,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[15, 68], Operations: ['82-5=77', '77-9=68'] Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,71 unequal: No Solution Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[77, 135], Operations: ['82-5=77', '9*15=135'] Exploring Operation: 135-77=58, Resulting Numbers: [58] 58,71 unequal: No Solution Exploring Operation: 77*135=10395, Resulting Numbers: [10395] 10395,71 unequal: No Solution Exploring Operation: 77+135=212, Resulting Numbers: [212] 212,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[77, 6], Operations: ['82-5=77', '15-9=6'] Exploring Operation: 77*6=462, Resulting Numbers: [462] 462,71 unequal: No Solution Exploring Operation: 77+6=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[82, 9, 5, 15], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [9, 15, 77] Generated Node #0,3: 71:[9, 15, 77] Operation: 82-5=77 Moving to Node #0,3 Current State: 71:[9, 15, 77], Operations: ['82-5=77'] Exploring Operation: 15-9=6, Resulting Numbers: [77, 6] Generated Node #0,3,3: 71:[77, 6] Operation: 15-9=6 Moving to Node #0,3,3 Current State: 71:[77, 6], Operations: ['82-5=77', '15-9=6'] Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.907118
hs_5
sum_heuristic
[ 82, 50, 47, 42 ]
72
[ "47-42=5", "50/5=10", "82-10=72" ]
Current State: 72:[82, 50, 47, 42], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [82, 50, 5] Generated Node #2: [82, 50, 5] from Operation: 47-42=5 Current State: 72:[82, 50, 5], Operations: ['47-42=5'] Exploring Operation: 50/5=10, Resulting Numbers: [82, 10] Generated Node #3: [82, 10] from Operation: 50/5=10 Current State: 72:[82, 10], Operations: ['47-42=5', '50/5=10'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[82, 50, 47, 42], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [82, 42, 3] Generated Node #0,0: 72:[82, 42, 3] Operation: 50-47=3 Moving to Node #0,0 Current State: 72:[82, 42, 3], Operations: ['50-47=3'] Exploring Operation: 82-42=40, Resulting Numbers: [3, 40] Generated Node #0,0,0: 72:[3, 40] Operation: 82-42=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[3, 40], Operations: ['50-47=3', '82-42=40'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,72 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
[ 68, 28, 16, 36 ]
76
[ "68+28=96", "36-16=20", "96-20=76" ]
Current State: 76:[68, 28, 16, 36], Operations: [] Exploring Operation: 68+28=96, Resulting Numbers: [16, 36, 96] Generated Node #2: [16, 36, 96] from Operation: 68+28=96 Current State: 76:[16, 36, 96], Operations: ['68+28=96'] Exploring Operation: 36-16=20, Resulting Numbers: [96, 20] Generated Node #3: [96, 20] from Operation: 36-16=20 Current State: 76:[96, 20], Operations: ['68+28=96', '36-16=20'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[68, 28, 16, 36], Operations: [] Exploring Operation: 28+16=44, Resulting Numbers: [68, 36, 44] Generated Node #0,0: 76:[68, 36, 44] Operation: 28+16=44 Exploring Operation: 36-28=8, Resulting Numbers: [68, 16, 8] Generated Node #0,1: 76:[68, 16, 8] Operation: 36-28=8 Exploring Operation: 28-16=12, Resulting Numbers: [68, 36, 12] Generated Node #0,2: 76:[68, 36, 12] Operation: 28-16=12 Exploring Operation: 68-28=40, Resulting Numbers: [16, 36, 40] Generated Node #0,3: 76:[16, 36, 40] Operation: 68-28=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[16, 36, 40], Operations: ['68-28=40'] Exploring Operation: 40-16=24, Resulting Numbers: [36, 24] Generated Node #0,3,0: 76:[36, 24] Operation: 40-16=24 Exploring Operation: 36-16=20, Resulting Numbers: [40, 20] Generated Node #0,3,1: 76:[40, 20] Operation: 36-16=20 Exploring Operation: 40-36=4, Resulting Numbers: [16, 4] Generated Node #0,3,2: 76:[16, 4] Operation: 40-36=4 Exploring Operation: 36+40=76, Resulting Numbers: [16, 76] Generated Node #0,3,3: 76:[16, 76] Operation: 36+40=76 Moving to Node #0,3,1 Current State: 76:[40, 20], Operations: ['68-28=40', '36-16=20'] Exploring Operation: 40*20=800, Resulting Numbers: [800] 800,76 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 40+20=60, Resulting Numbers: [60] 60,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[16, 76], Operations: ['68-28=40', '36+40=76'] Exploring Operation: 16*76=1216, Resulting Numbers: [1216] 1216,76 unequal: No Solution Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 16+76=92, Resulting Numbers: [92] 92,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[16, 4], Operations: ['68-28=40', '40-36=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[36, 24], Operations: ['68-28=40', '40-16=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,76 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:[68, 16, 8], Operations: ['36-28=8'] Exploring Operation: 16/8=2, Resulting Numbers: [68, 2] Generated Node #0,1,0: 76:[68, 2] Operation: 16/8=2 Exploring Operation: 68+8=76, Resulting Numbers: [16, 76] Generated Node #0,1,1: 76:[16, 76] Operation: 68+8=76 Exploring Operation: 68+16=84, Resulting Numbers: [8, 84] Generated Node #0,1,2: 76:[8, 84] Operation: 68+16=84 Exploring Operation: 16-8=8, Resulting Numbers: [68, 8] Generated Node #0,1,3: 76:[68, 8] Operation: 16-8=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[16, 76], Operations: ['36-28=8', '68+8=76'] Exploring Operation: 16*76=1216, Resulting Numbers: [1216] 1216,76 unequal: No Solution Exploring Operation: 16+76=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,76 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:[68, 2], Operations: ['36-28=8', '16/8=2'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,76 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,76 unequal: No Solution Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,76 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:[8, 84], Operations: ['36-28=8', '68+16=84'] Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,76 unequal: No Solution Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,76 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[68, 28, 16, 36], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [68, 16, 8] Generated Node #0,1: 76:[68, 16, 8] Operation: 36-28=8 Moving to Node #0,1 Current State: 76:[68, 16, 8], Operations: ['36-28=8'] Exploring Operation: 68+16=84, Resulting Numbers: [8, 84] Generated Node #0,1,2: 76:[8, 84] Operation: 68+16=84 Moving to Node #0,1,2 Current State: 76:[8, 84], Operations: ['36-28=8', '68+16=84'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_4
mult_heuristic
[ 27, 63, 35, 89 ]
35
[ "27+63=90", "90-89=1", "35*1=35" ]
Current State: 35:[27, 63, 35, 89], Operations: [] Exploring Operation: 27+63=90, Resulting Numbers: [35, 89, 90] Generated Node #2: [35, 89, 90] from Operation: 27+63=90 Current State: 35:[35, 89, 90], Operations: ['27+63=90'] Exploring Operation: 90-89=1, Resulting Numbers: [35, 1] Generated Node #3: [35, 1] from Operation: 90-89=1 Current State: 35:[35, 1], Operations: ['27+63=90', '90-89=1'] Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[27, 63, 35, 89], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [27, 63, 54] Generated Node #0,0: 35:[27, 63, 54] Operation: 89-35=54 Exploring Operation: 63-27=36, Resulting Numbers: [35, 89, 36] Generated Node #0,1: 35:[35, 89, 36] Operation: 63-27=36 Exploring Operation: 89-27=62, Resulting Numbers: [63, 35, 62] Generated Node #0,2: 35:[63, 35, 62] Operation: 89-27=62 Exploring Operation: 89-63=26, Resulting Numbers: [27, 35, 26] Generated Node #0,3: 35:[27, 35, 26] Operation: 89-63=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[27, 35, 26], Operations: ['89-63=26'] Exploring Operation: 35-27=8, Resulting Numbers: [26, 8] Generated Node #0,3,0: 35:[26, 8] Operation: 35-27=8 Exploring Operation: 27+26=53, Resulting Numbers: [35, 53] Generated Node #0,3,1: 35:[35, 53] Operation: 27+26=53 Exploring Operation: 35-26=9, Resulting Numbers: [27, 9] Generated Node #0,3,2: 35:[27, 9] Operation: 35-26=9 Exploring Operation: 27-26=1, Resulting Numbers: [35, 1] Generated Node #0,3,3: 35:[35, 1] Operation: 27-26=1 Moving to Node #0,3,3 Current State: 35:[35, 1], Operations: ['89-63=26', '27-26=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[27, 63, 35, 89], Operations: [] Exploring Operation: 89-63=26, Resulting Numbers: [27, 35, 26] Generated Node #0,3: 35:[27, 35, 26] Operation: 89-63=26 Moving to Node #0,3 Current State: 35:[27, 35, 26], Operations: ['89-63=26'] Exploring Operation: 27-26=1, Resulting Numbers: [35, 1] Generated Node #0,3,3: 35:[35, 1] Operation: 27-26=1 Moving to Node #0,3,3 Current State: 35:[35, 1], Operations: ['89-63=26', '27-26=1'] Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 40, 5, 90, 74 ]
19
[ "40-5=35", "90-74=16", "35-16=19" ]
Current State: 19:[40, 5, 90, 74], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [90, 74, 35] Generated Node #2: [90, 74, 35] from Operation: 40-5=35 Current State: 19:[90, 74, 35], Operations: ['40-5=35'] Exploring Operation: 90-74=16, Resulting Numbers: [35, 16] Generated Node #3: [35, 16] from Operation: 90-74=16 Current State: 19:[35, 16], Operations: ['40-5=35', '90-74=16'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[40, 5, 90, 74], Operations: [] Exploring Operation: 90-40=50, Resulting Numbers: [5, 74, 50] Generated Node #0,0: 19:[5, 74, 50] Operation: 90-40=50 Exploring Operation: 90-74=16, Resulting Numbers: [40, 5, 16] Generated Node #0,1: 19:[40, 5, 16] Operation: 90-74=16 Exploring Operation: 90/5=18, Resulting Numbers: [40, 74, 18] Generated Node #0,2: 19:[40, 74, 18] Operation: 90/5=18 Moving to Node #0,1 Current State: 19:[40, 5, 16], Operations: ['90-74=16'] Exploring Operation: 40/5=8, Resulting Numbers: [16, 8] Generated Node #0,1,0: 19:[16, 8] Operation: 40/5=8 Exploring Operation: 40-16=24, Resulting Numbers: [5, 24] Generated Node #0,1,1: 19:[5, 24] Operation: 40-16=24 Exploring Operation: 40-5=35, Resulting Numbers: [16, 35] Generated Node #0,1,2: 19:[16, 35] Operation: 40-5=35 Moving to Node #0,2 Current State: 19:[40, 74, 18], Operations: ['90/5=18'] Exploring Operation: 74-40=34, Resulting Numbers: [18, 34] Generated Node #0,2,0: 19:[18, 34] Operation: 74-40=34 Exploring Operation: 74-18=56, Resulting Numbers: [40, 56] Generated Node #0,2,1: 19:[40, 56] Operation: 74-18=56 Exploring Operation: 40-18=22, Resulting Numbers: [74, 22] Generated Node #0,2,2: 19:[74, 22] Operation: 40-18=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 19:[18, 34], Operations: ['90/5=18', '74-40=34'] Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 18*34=612, Resulting Numbers: [612] 612,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 19:[40, 56], Operations: ['90/5=18', '74-18=56'] Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,19 unequal: No Solution Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,19 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 19:[74, 22], Operations: ['90/5=18', '40-18=22'] Exploring Operation: 74+22=96, Resulting Numbers: [96] 96,19 unequal: No Solution Exploring Operation: 74-22=52, Resulting Numbers: [52] 52,19 unequal: No Solution Exploring Operation: 74*22=1628, Resulting Numbers: [1628] 1628,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 19:[5, 74, 50], Operations: ['90-40=50'] Exploring Operation: 74-5=69, Resulting Numbers: [50, 69] Generated Node #0,0,0: 19:[50, 69] Operation: 74-5=69 Exploring Operation: 74-50=24, Resulting Numbers: [5, 24] Generated Node #0,0,1: 19:[5, 24] Operation: 74-50=24 Exploring Operation: 50/5=10, Resulting Numbers: [74, 10] Generated Node #0,0,2: 19:[74, 10] Operation: 50/5=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[5, 24], Operations: ['90-40=50', '74-50=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[40, 5, 90, 74], Operations: [] Exploring Operation: 90-40=50, Resulting Numbers: [5, 74, 50] Generated Node #0,0: 19:[5, 74, 50] Operation: 90-40=50 Moving to Node #0,0 Current State: 19:[5, 74, 50], Operations: ['90-40=50'] Exploring Operation: 74-50=24, Resulting Numbers: [5, 24] Generated Node #0,0,1: 19:[5, 24] Operation: 74-50=24 Moving to Node #0,0,1 Current State: 19:[5, 24], Operations: ['90-40=50', '74-50=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 17, 58, 84, 20 ]
90
[ "20-17=3", "58*3=174", "174-84=90" ]
Current State: 90:[17, 58, 84, 20], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [58, 84, 3] Generated Node #2: [58, 84, 3] from Operation: 20-17=3 Current State: 90:[58, 84, 3], Operations: ['20-17=3'] Exploring Operation: 58*3=174, Resulting Numbers: [84, 174] Generated Node #3: [84, 174] from Operation: 58*3=174 Current State: 90:[84, 174], Operations: ['20-17=3', '58*3=174'] Exploring Operation: 174-84=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[17, 58, 84, 20], Operations: [] Exploring Operation: 58-20=38, Resulting Numbers: [17, 84, 38] Generated Node #0,0: 90:[17, 84, 38] Operation: 58-20=38 Exploring Operation: 58+20=78, Resulting Numbers: [17, 84, 78] Generated Node #0,1: 90:[17, 84, 78] Operation: 58+20=78 Exploring Operation: 84-58=26, Resulting Numbers: [17, 20, 26] Generated Node #0,2: 90:[17, 20, 26] Operation: 84-58=26 Exploring Operation: 58-17=41, Resulting Numbers: [84, 20, 41] Generated Node #0,3: 90:[84, 20, 41] Operation: 58-17=41 Exploring Operation: 20-17=3, Resulting Numbers: [58, 84, 3] Generated Node #0,4: 90:[58, 84, 3] Operation: 20-17=3 Moving to Node #0,2 Current State: 90:[17, 20, 26], Operations: ['84-58=26'] Exploring Operation: 20+26=46, Resulting Numbers: [17, 46] Generated Node #0,2,0: 90:[17, 46] Operation: 20+26=46 Exploring Operation: 26-20=6, Resulting Numbers: [17, 6] Generated Node #0,2,1: 90:[17, 6] Operation: 26-20=6 Exploring Operation: 26-17=9, Resulting Numbers: [20, 9] Generated Node #0,2,2: 90:[20, 9] Operation: 26-17=9 Exploring Operation: 17+26=43, Resulting Numbers: [20, 43] Generated Node #0,2,3: 90:[20, 43] Operation: 17+26=43 Exploring Operation: 20-17=3, Resulting Numbers: [26, 3] Generated Node #0,2,4: 90:[26, 3] Operation: 20-17=3 Moving to Node #0,3 Current State: 90:[84, 20, 41], Operations: ['58-17=41'] Exploring Operation: 41-20=21, Resulting Numbers: [84, 21] Generated Node #0,3,0: 90:[84, 21] Operation: 41-20=21 Exploring Operation: 84-41=43, Resulting Numbers: [20, 43] Generated Node #0,3,1: 90:[20, 43] Operation: 84-41=43 Exploring Operation: 20+41=61, Resulting Numbers: [84, 61] Generated Node #0,3,2: 90:[84, 61] Operation: 20+41=61 Exploring Operation: 84+20=104, Resulting Numbers: [41, 104] Generated Node #0,3,3: 90:[41, 104] Operation: 84+20=104 Exploring Operation: 84-20=64, Resulting Numbers: [41, 64] Generated Node #0,3,4: 90:[41, 64] Operation: 84-20=64 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[20, 43], Operations: ['58-17=41', '84-41=43'] Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,90 unequal: No Solution Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[84, 21], Operations: ['58-17=41', '41-20=21'] Exploring Operation: 84*21=1764, Resulting Numbers: [1764] 1764,90 unequal: No Solution Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 84+21=105, Resulting Numbers: [105] 105,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[41, 104], Operations: ['58-17=41', '84+20=104'] Exploring Operation: 41+104=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 41*104=4264, Resulting Numbers: [4264] 4264,90 unequal: No Solution Exploring Operation: 104-41=63, Resulting Numbers: [63] 63,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[84, 61], Operations: ['58-17=41', '20+41=61'] Exploring Operation: 84*61=5124, Resulting Numbers: [5124] 5124,90 unequal: No Solution Exploring Operation: 84+61=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 90:[41, 64], Operations: ['58-17=41', '84-20=64'] Exploring Operation: 41+64=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 41*64=2624, Resulting Numbers: [2624] 2624,90 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,90 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: 90:[17, 84, 38], Operations: ['58-20=38'] Exploring Operation: 38-17=21, Resulting Numbers: [84, 21] Generated Node #0,0,0: 90:[84, 21] Operation: 38-17=21 Exploring Operation: 17+84=101, Resulting Numbers: [38, 101] Generated Node #0,0,1: 90:[38, 101] Operation: 17+84=101 Exploring Operation: 17+38=55, Resulting Numbers: [84, 55] Generated Node #0,0,2: 90:[84, 55] Operation: 17+38=55 Exploring Operation: 84-38=46, Resulting Numbers: [17, 46] Generated Node #0,0,3: 90:[17, 46] Operation: 84-38=46 Exploring Operation: 84-17=67, Resulting Numbers: [38, 67] Generated Node #0,0,4: 90:[38, 67] Operation: 84-17=67 Moving to Node #0,1 Current State: 90:[17, 84, 78], Operations: ['58+20=78'] Exploring Operation: 17+84=101, Resulting Numbers: [78, 101] Generated Node #0,1,0: 90:[78, 101] Operation: 17+84=101 Exploring Operation: 84-78=6, Resulting Numbers: [17, 6] Generated Node #0,1,1: 90:[17, 6] Operation: 84-78=6 Exploring Operation: 78-17=61, Resulting Numbers: [84, 61] Generated Node #0,1,2: 90:[84, 61] Operation: 78-17=61 Exploring Operation: 17+78=95, Resulting Numbers: [84, 95] Generated Node #0,1,3: 90:[84, 95] Operation: 17+78=95 Exploring Operation: 84-17=67, Resulting Numbers: [78, 67] Generated Node #0,1,4: 90:[78, 67] Operation: 84-17=67 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[17, 6], Operations: ['58+20=78', '84-78=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[84, 95], Operations: ['58+20=78', '17+78=95'] Exploring Operation: 84+95=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 84*95=7980, Resulting Numbers: [7980] 7980,90 unequal: No Solution Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[84, 61], Operations: ['58+20=78', '78-17=61'] Exploring Operation: 84+61=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 84*61=5124, Resulting Numbers: [5124] 5124,90 unequal: No Solution Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[78, 101], Operations: ['58+20=78', '17+84=101'] Exploring Operation: 101-78=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 78+101=179, Resulting Numbers: [179] 179,90 unequal: No Solution Exploring Operation: 78*101=7878, Resulting Numbers: [7878] 7878,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 90:[78, 67], Operations: ['58+20=78', '84-17=67'] Exploring Operation: 78+67=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 78-67=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 78*67=5226, Resulting Numbers: [5226] 5226,90 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: 90:[58, 84, 3], Operations: ['20-17=3'] Exploring Operation: 58+3=61, Resulting Numbers: [84, 61] Generated Node #0,4,0: 90:[84, 61] Operation: 58+3=61 Exploring Operation: 84/3=28, Resulting Numbers: [58, 28] Generated Node #0,4,1: 90:[58, 28] Operation: 84/3=28 Exploring Operation: 84-58=26, Resulting Numbers: [3, 26] Generated Node #0,4,2: 90:[3, 26] Operation: 84-58=26 Exploring Operation: 84+3=87, Resulting Numbers: [58, 87] Generated Node #0,4,3: 90:[58, 87] Operation: 84+3=87 Exploring Operation: 58-3=55, Resulting Numbers: [84, 55] Generated Node #0,4,4: 90:[84, 55] Operation: 58-3=55 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 90:[3, 26], Operations: ['20-17=3', '84-58=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 90:[58, 28], Operations: ['20-17=3', '84/3=28'] Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,90 unequal: No Solution Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 90:[58, 87], Operations: ['20-17=3', '84+3=87'] Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,90 unequal: No Solution Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 90:[84, 55], Operations: ['20-17=3', '58-3=55'] Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,90 unequal: No Solution Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 90:[84, 61], Operations: ['20-17=3', '58+3=61'] Exploring Operation: 84*61=5124, Resulting Numbers: [5124] 5124,90 unequal: No Solution Exploring Operation: 84+61=145, Resulting Numbers: [145] 145,90 unequal: No Solution Exploring Operation: 84-61=23, Resulting Numbers: [23] 23,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 90:[17, 6], Operations: ['84-58=26', '26-20=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,90 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[20, 9], Operations: ['84-58=26', '26-17=9'] Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,90 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[17, 46], Operations: ['58-20=38', '84-38=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,90 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[17, 46], Operations: ['84-58=26', '20+26=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,90 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[26, 3], Operations: ['84-58=26', '20-17=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,90 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[20, 43], Operations: ['84-58=26', '17+26=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,90 unequal: No Solution Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,90 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[84, 21], Operations: ['58-20=38', '38-17=21'] Exploring Operation: 84*21=1764, Resulting Numbers: [1764] 1764,90 unequal: No Solution Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 84+21=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[84, 55], Operations: ['58-20=38', '17+38=55'] Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,90 unequal: No Solution Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[38, 101], Operations: ['58-20=38', '17+84=101'] Exploring Operation: 38+101=139, Resulting Numbers: [139] 139,90 unequal: No Solution Exploring Operation: 38*101=3838, Resulting Numbers: [3838] 3838,90 unequal: No Solution Exploring Operation: 101-38=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[38, 67], Operations: ['58-20=38', '84-17=67'] Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,90 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 68, 72, 48, 71 ]
19
[ "72-68=4", "71-48=23", "23-4=19" ]
Current State: 19:[68, 72, 48, 71], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [48, 71, 4] Generated Node #2: [48, 71, 4] from Operation: 72-68=4 Current State: 19:[48, 71, 4], Operations: ['72-68=4'] Exploring Operation: 71-48=23, Resulting Numbers: [4, 23] Generated Node #3: [4, 23] from Operation: 71-48=23 Current State: 19:[4, 23], Operations: ['72-68=4', '71-48=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[68, 72, 48, 71], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [68, 48, 1] Generated Node #0,0: 19:[68, 48, 1] Operation: 72-71=1 Exploring Operation: 72-68=4, Resulting Numbers: [48, 71, 4] Generated Node #0,1: 19:[48, 71, 4] Operation: 72-68=4 Moving to Node #0,0 Current State: 19:[68, 48, 1], Operations: ['72-71=1'] Exploring Operation: 68-1=67, Resulting Numbers: [48, 67] Generated Node #0,0,0: 19:[48, 67] Operation: 68-1=67 Exploring Operation: 68-48=20, Resulting Numbers: [1, 20] Generated Node #0,0,1: 19:[1, 20] Operation: 68-48=20 Moving to Node #0,1 Current State: 19:[48, 71, 4], Operations: ['72-68=4'] Exploring Operation: 71-48=23, Resulting Numbers: [4, 23] Generated Node #0,1,0: 19:[4, 23] Operation: 71-48=23 Exploring Operation: 48/4=12, Resulting Numbers: [71, 12] Generated Node #0,1,1: 19:[71, 12] Operation: 48/4=12 Moving to Node #0,0,1 Current State: 19:[1, 20], Operations: ['72-71=1', '68-48=20'] Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[68, 72, 48, 71], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [68, 48, 1] Generated Node #0,0: 19:[68, 48, 1] Operation: 72-71=1 Moving to Node #0,0 Current State: 19:[68, 48, 1], Operations: ['72-71=1'] Exploring Operation: 68-48=20, Resulting Numbers: [1, 20] Generated Node #0,0,1: 19:[1, 20] Operation: 68-48=20 Moving to Node #0,0,1 Current State: 19:[1, 20], Operations: ['72-71=1', '68-48=20'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 71, 77, 4, 37 ]
61
[ "77-71=6", "4*6=24", "37+24=61" ]
Current State: 61:[71, 77, 4, 37], Operations: [] Exploring Operation: 77-71=6, Resulting Numbers: [4, 37, 6] Generated Node #2: [4, 37, 6] from Operation: 77-71=6 Current State: 61:[4, 37, 6], Operations: ['77-71=6'] Exploring Operation: 4*6=24, Resulting Numbers: [37, 24] Generated Node #3: [37, 24] from Operation: 4*6=24 Current State: 61:[37, 24], Operations: ['77-71=6', '4*6=24'] Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[71, 77, 4, 37], Operations: [] Exploring Operation: 71-4=67, Resulting Numbers: [77, 37, 67] Generated Node #0,0: 61:[77, 37, 67] Operation: 71-4=67 Moving to Node #0,0 Current State: 61:[77, 37, 67], Operations: ['71-4=67'] Exploring Operation: 77-37=40, Resulting Numbers: [67, 40] Generated Node #0,0,0: 61:[67, 40] Operation: 77-37=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[67, 40], Operations: ['71-4=67', '77-37=40'] Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 11, 40, 4 ]
61
[ "6+11=17", "40+4=44", "17+44=61" ]
Current State: 61:[6, 11, 40, 4], Operations: [] Exploring Operation: 6+11=17, Resulting Numbers: [40, 4, 17] Generated Node #2: [40, 4, 17] from Operation: 6+11=17 Current State: 61:[40, 4, 17], Operations: ['6+11=17'] Exploring Operation: 40+4=44, Resulting Numbers: [17, 44] Generated Node #3: [17, 44] from Operation: 40+4=44 Current State: 61:[17, 44], Operations: ['6+11=17', '40+4=44'] Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[6, 11, 40, 4], Operations: [] Exploring Operation: 6+11=17, Resulting Numbers: [40, 4, 17] Generated Node #0,0: 61:[40, 4, 17] Operation: 6+11=17 Exploring Operation: 6*11=66, Resulting Numbers: [40, 4, 66] Generated Node #0,1: 61:[40, 4, 66] Operation: 6*11=66 Exploring Operation: 6*4=24, Resulting Numbers: [11, 40, 24] Generated Node #0,2: 61:[11, 40, 24] Operation: 6*4=24 Exploring Operation: 6+40=46, Resulting Numbers: [11, 4, 46] Generated Node #0,3: 61:[11, 4, 46] Operation: 6+40=46 Exploring Operation: 11*4=44, Resulting Numbers: [6, 40, 44] Generated Node #0,4: 61:[6, 40, 44] Operation: 11*4=44 Moving to Node #0,1 Current State: 61:[40, 4, 66], Operations: ['6*11=66'] Exploring Operation: 40-4=36, Resulting Numbers: [66, 36] Generated Node #0,1,0: 61:[66, 36] Operation: 40-4=36 Exploring Operation: 40+4=44, Resulting Numbers: [66, 44] Generated Node #0,1,1: 61:[66, 44] Operation: 40+4=44 Exploring Operation: 40/4=10, Resulting Numbers: [66, 10] Generated Node #0,1,2: 61:[66, 10] Operation: 40/4=10 Exploring Operation: 66-4=62, Resulting Numbers: [40, 62] Generated Node #0,1,3: 61:[40, 62] Operation: 66-4=62 Exploring Operation: 4+66=70, Resulting Numbers: [40, 70] Generated Node #0,1,4: 61:[40, 70] Operation: 4+66=70 Moving to Node #0,4 Current State: 61:[6, 40, 44], Operations: ['11*4=44'] Exploring Operation: 40+44=84, Resulting Numbers: [6, 84] Generated Node #0,4,0: 61:[6, 84] Operation: 40+44=84 Exploring Operation: 6+40=46, Resulting Numbers: [44, 46] Generated Node #0,4,1: 61:[44, 46] Operation: 6+40=46 Exploring Operation: 40-6=34, Resulting Numbers: [44, 34] Generated Node #0,4,2: 61:[44, 34] Operation: 40-6=34 Exploring Operation: 6+44=50, Resulting Numbers: [40, 50] Generated Node #0,4,3: 61:[40, 50] Operation: 6+44=50 Exploring Operation: 44-6=38, Resulting Numbers: [40, 38] Generated Node #0,4,4: 61:[40, 38] Operation: 44-6=38 Moving to Node #0,2 Current State: 61:[11, 40, 24], Operations: ['6*4=24'] Exploring Operation: 40+24=64, Resulting Numbers: [11, 64] Generated Node #0,2,0: 61:[11, 64] Operation: 40+24=64 Exploring Operation: 24-11=13, Resulting Numbers: [40, 13] Generated Node #0,2,1: 61:[40, 13] Operation: 24-11=13 Exploring Operation: 40-11=29, Resulting Numbers: [24, 29] Generated Node #0,2,2: 61:[24, 29] Operation: 40-11=29 Exploring Operation: 11+24=35, Resulting Numbers: [40, 35] Generated Node #0,2,3: 61:[40, 35] Operation: 11+24=35 Exploring Operation: 11+40=51, Resulting Numbers: [24, 51] Generated Node #0,2,4: 61:[24, 51] Operation: 11+40=51 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[40, 35], Operations: ['6*4=24', '11+24=35'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 40*35=1400, Resulting Numbers: [1400] 1400,61 unequal: No Solution Exploring Operation: 40+35=75, Resulting Numbers: [75] 75,61 unequal: No Solution No 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: 61:[24, 51], Operations: ['6*4=24', '11+40=51'] Exploring Operation: 24+51=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 24*51=1224, Resulting Numbers: [1224] 1224,61 unequal: No Solution No 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: 61:[11, 64], Operations: ['6*4=24', '40+24=64'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,61 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,61 unequal: No Solution No 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: 61:[40, 13], Operations: ['6*4=24', '24-11=13'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,61 unequal: No Solution No 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: 61:[24, 29], Operations: ['6*4=24', '40-11=29'] Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,61 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,61 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,61 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: 61:[40, 4, 17], Operations: ['6+11=17'] Exploring Operation: 40-4=36, Resulting Numbers: [17, 36] Generated Node #0,0,0: 61:[17, 36] Operation: 40-4=36 Exploring Operation: 40+4=44, Resulting Numbers: [17, 44] Generated Node #0,0,1: 61:[17, 44] Operation: 40+4=44 Exploring Operation: 40+17=57, Resulting Numbers: [4, 57] Generated Node #0,0,2: 61:[4, 57] Operation: 40+17=57 Exploring Operation: 4*17=68, Resulting Numbers: [40, 68] Generated Node #0,0,3: 61:[40, 68] Operation: 4*17=68 Exploring Operation: 4+17=21, Resulting Numbers: [40, 21] Generated Node #0,0,4: 61:[40, 21] Operation: 4+17=21 Moving to Node #0,3 Current State: 61:[11, 4, 46], Operations: ['6+40=46'] Exploring Operation: 11*4=44, Resulting Numbers: [46, 44] Generated Node #0,3,0: 61:[46, 44] Operation: 11*4=44 Exploring Operation: 11+4=15, Resulting Numbers: [46, 15] Generated Node #0,3,1: 61:[46, 15] Operation: 11+4=15 Exploring Operation: 4+46=50, Resulting Numbers: [11, 50] Generated Node #0,3,2: 61:[11, 50] Operation: 4+46=50 Exploring Operation: 11+46=57, Resulting Numbers: [4, 57] Generated Node #0,3,3: 61:[4, 57] Operation: 11+46=57 Exploring Operation: 11-4=7, Resulting Numbers: [46, 7] Generated Node #0,3,4: 61:[46, 7] Operation: 11-4=7 Moving to Node #0,1,1 Current State: 61:[66, 44], Operations: ['6*11=66', '40+4=44'] Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,61 unequal: No Solution Moving to Node #0,1,3 Current State: 61:[40, 62], Operations: ['6*11=66', '66-4=62'] Exploring Operation: 40*62=2480, Resulting Numbers: [2480] 2480,61 unequal: No Solution Exploring Operation: 40+62=102, Resulting Numbers: [102] 102,61 unequal: No Solution Exploring Operation: 62-40=22, Resulting Numbers: [22] 22,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[40, 68], Operations: ['6+11=17', '4*17=68'] Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[66, 36], Operations: ['6*11=66', '40-4=36'] Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 66*36=2376, Resulting Numbers: [2376] 2376,61 unequal: No Solution Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,61 unequal: No Solution Moving to Node #0,1,4 Current State: 61:[40, 70], Operations: ['6*11=66', '4+66=70'] Exploring Operation: 40+70=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 40*70=2800, Resulting Numbers: [2800] 2800,61 unequal: No Solution Moving to Node #0,4,3 Current State: 61:[40, 50], Operations: ['11*4=44', '6+44=50'] Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,61 unequal: No Solution Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[44, 46], Operations: ['11*4=44', '6+40=46'] Exploring Operation: 44+46=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 44*46=2024, Resulting Numbers: [2024] 2024,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[46, 44], Operations: ['6+40=46', '11*4=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[40, 38], Operations: ['11*4=44', '44-6=38'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 40*38=1520, Resulting Numbers: [1520] 1520,61 unequal: No Solution Moving to Node #0,4,2 Current State: 61:[44, 34], Operations: ['11*4=44', '40-6=34'] Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,61 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,61 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[66, 10], Operations: ['6*11=66', '40/4=10'] Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,61 unequal: No Solution Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,61 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[40, 21], Operations: ['6+11=17', '4+17=21'] Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,61 unequal: No Solution Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[6, 11, 40, 4], Operations: [] Exploring Operation: 6+11=17, Resulting Numbers: [40, 4, 17] Generated Node #0,0: 61:[40, 4, 17] Operation: 6+11=17 Moving to Node #0,0 Current State: 61:[40, 4, 17], Operations: ['6+11=17'] Exploring Operation: 4+17=21, Resulting Numbers: [40, 21] Generated Node #0,0,4: 61:[40, 21] Operation: 4+17=21 Moving to Node #0,0,4 Current State: 61:[40, 21], Operations: ['6+11=17', '4+17=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.926215
hs_5
mult_heuristic
[ 43, 68, 16, 81 ]
65
[ "43-16=27", "81/27=3", "68-3=65" ]
Current State: 65:[43, 68, 16, 81], Operations: [] Exploring Operation: 43-16=27, Resulting Numbers: [68, 81, 27] Generated Node #2: [68, 81, 27] from Operation: 43-16=27 Current State: 65:[68, 81, 27], Operations: ['43-16=27'] Exploring Operation: 81/27=3, Resulting Numbers: [68, 3] Generated Node #3: [68, 3] from Operation: 81/27=3 Current State: 65:[68, 3], Operations: ['43-16=27', '81/27=3'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[43, 68, 16, 81], Operations: [] Exploring Operation: 43+16=59, Resulting Numbers: [68, 81, 59] Generated Node #0,0: 65:[68, 81, 59] Operation: 43+16=59 Exploring Operation: 81-16=65, Resulting Numbers: [43, 68, 65] Generated Node #0,1: 65:[43, 68, 65] Operation: 81-16=65 Exploring Operation: 81-68=13, Resulting Numbers: [43, 16, 13] Generated Node #0,2: 65:[43, 16, 13] Operation: 81-68=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[68, 81, 59], Operations: ['43+16=59'] Exploring Operation: 81-59=22, Resulting Numbers: [68, 22] Generated Node #0,0,0: 65:[68, 22] Operation: 81-59=22 Exploring Operation: 68-59=9, Resulting Numbers: [81, 9] Generated Node #0,0,1: 65:[81, 9] Operation: 68-59=9 Exploring Operation: 81-68=13, Resulting Numbers: [59, 13] Generated Node #0,0,2: 65:[59, 13] Operation: 81-68=13 Moving to Node #0,0,2 Current State: 65:[59, 13], Operations: ['43+16=59', '81-68=13'] Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 59*13=767, Resulting Numbers: [767] 767,65 unequal: No Solution Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[68, 22], Operations: ['43+16=59', '81-59=22'] Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[81, 9], Operations: ['43+16=59', '68-59=9'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[43, 68, 65], Operations: ['81-16=65'] Exploring Operation: 68-65=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 65:[43, 3] Operation: 68-65=3 Exploring Operation: 68-43=25, Resulting Numbers: [65, 25] Generated Node #0,1,1: 65:[65, 25] Operation: 68-43=25 Exploring Operation: 65-43=22, Resulting Numbers: [68, 22] Generated Node #0,1,2: 65:[68, 22] Operation: 65-43=22 Moving to Node #0,1,1 Current State: 65:[65, 25], Operations: ['81-16=65', '68-43=25'] Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,65 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[68, 22], Operations: ['81-16=65', '65-43=22'] Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,65 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[43, 3], Operations: ['81-16=65', '68-65=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[43, 16, 13], Operations: ['81-68=13'] Exploring Operation: 43-16=27, Resulting Numbers: [13, 27] Generated Node #0,2,0: 65:[13, 27] Operation: 43-16=27 Exploring Operation: 43+16=59, Resulting Numbers: [13, 59] Generated Node #0,2,1: 65:[13, 59] Operation: 43+16=59 Exploring Operation: 43+13=56, Resulting Numbers: [16, 56] Generated Node #0,2,2: 65:[16, 56] Operation: 43+13=56 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[13, 59], Operations: ['81-68=13', '43+16=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 13*59=767, Resulting Numbers: [767] 767,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[16, 56], Operations: ['81-68=13', '43+13=56'] Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,65 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,65 unequal: No Solution Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[13, 27], Operations: ['81-68=13', '43-16=27'] Exploring Operation: 13*27=351, Resulting Numbers: [351] 351,65 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 81, 51, 5, 70 ]
44
[ "81-51=30", "70/5=14", "30+14=44" ]
Current State: 44:[81, 51, 5, 70], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [5, 70, 30] Generated Node #2: [5, 70, 30] from Operation: 81-51=30 Current State: 44:[5, 70, 30], Operations: ['81-51=30'] Exploring Operation: 70/5=14, Resulting Numbers: [30, 14] Generated Node #3: [30, 14] from Operation: 70/5=14 Current State: 44:[30, 14], Operations: ['81-51=30', '70/5=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[81, 51, 5, 70], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [5, 70, 30] Generated Node #0,0: 44:[5, 70, 30] Operation: 81-51=30 Exploring Operation: 70/5=14, Resulting Numbers: [81, 51, 14] Generated Node #0,1: 44:[81, 51, 14] Operation: 70/5=14 Exploring Operation: 81-5=76, Resulting Numbers: [51, 70, 76] Generated Node #0,2: 44:[51, 70, 76] Operation: 81-5=76 Exploring Operation: 81-70=11, Resulting Numbers: [51, 5, 11] Generated Node #0,3: 44:[51, 5, 11] Operation: 81-70=11 Exploring Operation: 70-51=19, Resulting Numbers: [81, 5, 19] Generated Node #0,4: 44:[81, 5, 19] Operation: 70-51=19 Moving to Node #0,3 Current State: 44:[51, 5, 11], Operations: ['81-70=11'] Exploring Operation: 5+11=16, Resulting Numbers: [51, 16] Generated Node #0,3,0: 44:[51, 16] Operation: 5+11=16 Exploring Operation: 51-11=40, Resulting Numbers: [5, 40] Generated Node #0,3,1: 44:[5, 40] Operation: 51-11=40 Exploring Operation: 11-5=6, Resulting Numbers: [51, 6] Generated Node #0,3,2: 44:[51, 6] Operation: 11-5=6 Exploring Operation: 51+5=56, Resulting Numbers: [11, 56] Generated Node #0,3,3: 44:[11, 56] Operation: 51+5=56 Exploring Operation: 51-5=46, Resulting Numbers: [11, 46] Generated Node #0,3,4: 44:[11, 46] Operation: 51-5=46 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 44:[11, 46], Operations: ['81-70=11', '51-5=46'] Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,44 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 44:[5, 40], Operations: ['81-70=11', '51-11=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,44 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,44 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 #0,3,2 Current State: 44:[51, 6], Operations: ['81-70=11', '11-5=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,44 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,44 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 #0,3,0 Current State: 44:[51, 16], Operations: ['81-70=11', '5+11=16'] Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,44 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,44 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 #0,3,3 Current State: 44:[11, 56], Operations: ['81-70=11', '51+5=56'] Exploring Operation: 11*56=616, Resulting Numbers: [616] 616,44 unequal: No Solution Exploring Operation: 11+56=67, Resulting Numbers: [67] 67,44 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 44:[5, 70, 30], Operations: ['81-51=30'] Exploring Operation: 70-5=65, Resulting Numbers: [30, 65] Generated Node #0,0,0: 44:[30, 65] Operation: 70-5=65 Exploring Operation: 70-30=40, Resulting Numbers: [5, 40] Generated Node #0,0,1: 44:[5, 40] Operation: 70-30=40 Exploring Operation: 70/5=14, Resulting Numbers: [30, 14] Generated Node #0,0,2: 44:[30, 14] Operation: 70/5=14 Exploring Operation: 30-5=25, Resulting Numbers: [70, 25] Generated Node #0,0,3: 44:[70, 25] Operation: 30-5=25 Exploring Operation: 30/5=6, Resulting Numbers: [70, 6] Generated Node #0,0,4: 44:[70, 6] Operation: 30/5=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[5, 40], Operations: ['81-51=30', '70-30=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,44 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,44 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 #0,0,2 Current State: 44:[30, 14], Operations: ['81-51=30', '70/5=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[81, 51, 5, 70], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [5, 70, 30] Generated Node #0,0: 44:[5, 70, 30] Operation: 81-51=30 Moving to Node #0,0 Current State: 44:[5, 70, 30], Operations: ['81-51=30'] Exploring Operation: 70/5=14, Resulting Numbers: [30, 14] Generated Node #0,0,2: 44:[30, 14] Operation: 70/5=14 Moving to Node #0,0,2 Current State: 44:[30, 14], Operations: ['81-51=30', '70/5=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 40, 76, 12, 4 ]
54
[ "40/4=10", "76-12=64", "64-10=54" ]
Current State: 54:[40, 76, 12, 4], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [76, 12, 10] Generated Node #2: [76, 12, 10] from Operation: 40/4=10 Current State: 54:[76, 12, 10], Operations: ['40/4=10'] Exploring Operation: 76-12=64, Resulting Numbers: [10, 64] Generated Node #3: [10, 64] from Operation: 76-12=64 Current State: 54:[10, 64], Operations: ['40/4=10', '76-12=64'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[40, 76, 12, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [40, 12, 19] Generated Node #0,0: 54:[40, 12, 19] Operation: 76/4=19 Exploring Operation: 76-40=36, Resulting Numbers: [12, 4, 36] Generated Node #0,1: 54:[12, 4, 36] Operation: 76-40=36 Moving to Node #0,1 Current State: 54:[12, 4, 36], Operations: ['76-40=36'] Exploring Operation: 36/4=9, Resulting Numbers: [12, 9] Generated Node #0,1,0: 54:[12, 9] Operation: 36/4=9 Exploring Operation: 36/12=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 54:[4, 3] Operation: 36/12=3 Moving to Node #0,0 Current State: 54:[40, 12, 19], Operations: ['76/4=19'] Exploring Operation: 40-12=28, Resulting Numbers: [19, 28] Generated Node #0,0,0: 54:[19, 28] Operation: 40-12=28 Exploring Operation: 40+12=52, Resulting Numbers: [19, 52] Generated Node #0,0,1: 54:[19, 52] Operation: 40+12=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[19, 28], Operations: ['76/4=19', '40-12=28'] Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,54 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 #0,0,1 Current State: 54:[19, 52], Operations: ['76/4=19', '40+12=52'] Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,54 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,54 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: 54:[4, 3], Operations: ['76-40=36', '36/12=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[12, 9], Operations: ['76-40=36', '36/4=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,54 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 5, 85, 10 ]
73
[ "5-3=2", "85-10=75", "75-2=73" ]
Current State: 73:[3, 5, 85, 10], Operations: [] Exploring Operation: 5-3=2, Resulting Numbers: [85, 10, 2] Generated Node #2: [85, 10, 2] from Operation: 5-3=2 Current State: 73:[85, 10, 2], Operations: ['5-3=2'] Exploring Operation: 85-10=75, Resulting Numbers: [2, 75] Generated Node #3: [2, 75] from Operation: 85-10=75 Current State: 73:[2, 75], Operations: ['5-3=2', '85-10=75'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[3, 5, 85, 10], Operations: [] Exploring Operation: 5*10=50, Resulting Numbers: [3, 85, 50] Generated Node #0,0: 73:[3, 85, 50] Operation: 5*10=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[3, 85, 50], Operations: ['5*10=50'] Exploring Operation: 85-3=82, Resulting Numbers: [50, 82] Generated Node #0,0,0: 73:[50, 82] Operation: 85-3=82 Moving to Node #0,0,0 Current State: 73:[50, 82], Operations: ['5*10=50', '85-3=82'] Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,73 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
[ 7, 66, 99, 2 ]
55
[ "7+2=9", "99/9=11", "66-11=55" ]
Current State: 55:[7, 66, 99, 2], Operations: [] Exploring Operation: 7+2=9, Resulting Numbers: [66, 99, 9] Generated Node #2: [66, 99, 9] from Operation: 7+2=9 Current State: 55:[66, 99, 9], Operations: ['7+2=9'] Exploring Operation: 99/9=11, Resulting Numbers: [66, 11] Generated Node #3: [66, 11] from Operation: 99/9=11 Current State: 55:[66, 11], Operations: ['7+2=9', '99/9=11'] Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[7, 66, 99, 2], Operations: [] Exploring Operation: 99-66=33, Resulting Numbers: [7, 2, 33] Generated Node #0,0: 55:[7, 2, 33] Operation: 99-66=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[7, 2, 33], Operations: ['99-66=33'] Exploring Operation: 2*33=66, Resulting Numbers: [7, 66] Generated Node #0,0,0: 55:[7, 66] Operation: 2*33=66 Moving to Node #0,0,0 Current State: 55:[7, 66], Operations: ['99-66=33', '2*33=66'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,55 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
[ 32, 86, 35, 64 ]
45
[ "86-32=54", "35+64=99", "99-54=45" ]
Current State: 45:[32, 86, 35, 64], Operations: [] Exploring Operation: 86-32=54, Resulting Numbers: [35, 64, 54] Generated Node #2: [35, 64, 54] from Operation: 86-32=54 Current State: 45:[35, 64, 54], Operations: ['86-32=54'] Exploring Operation: 35+64=99, Resulting Numbers: [54, 99] Generated Node #3: [54, 99] from Operation: 35+64=99 Current State: 45:[54, 99], Operations: ['86-32=54', '35+64=99'] Exploring Operation: 99-54=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[32, 86, 35, 64], Operations: [] Exploring Operation: 86-64=22, Resulting Numbers: [32, 35, 22] Generated Node #0,0: 45:[32, 35, 22] Operation: 86-64=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[32, 35, 22], Operations: ['86-64=22'] Exploring Operation: 35-32=3, Resulting Numbers: [22, 3] Generated Node #0,0,0: 45:[22, 3] Operation: 35-32=3 Moving to Node #0,0,0 Current State: 45:[22, 3], Operations: ['86-64=22', '35-32=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 22, 56, 63, 82 ]
53
[ "56-22=34", "82-63=19", "34+19=53" ]
Current State: 53:[22, 56, 63, 82], Operations: [] Exploring Operation: 56-22=34, Resulting Numbers: [63, 82, 34] Generated Node #2: [63, 82, 34] from Operation: 56-22=34 Current State: 53:[63, 82, 34], Operations: ['56-22=34'] Exploring Operation: 82-63=19, Resulting Numbers: [34, 19] Generated Node #3: [34, 19] from Operation: 82-63=19 Current State: 53:[34, 19], Operations: ['56-22=34', '82-63=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[22, 56, 63, 82], Operations: [] Exploring Operation: 63-22=41, Resulting Numbers: [56, 82, 41] Generated Node #0,0: 53:[56, 82, 41] Operation: 63-22=41 Exploring Operation: 82-22=60, Resulting Numbers: [56, 63, 60] Generated Node #0,1: 53:[56, 63, 60] Operation: 82-22=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[56, 63, 60], Operations: ['82-22=60'] Exploring Operation: 63-56=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 53:[60, 7] Operation: 63-56=7 Exploring Operation: 63-60=3, Resulting Numbers: [56, 3] Generated Node #0,1,1: 53:[56, 3] Operation: 63-60=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[60, 7], Operations: ['82-22=60', '63-56=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[22, 56, 63, 82], Operations: [] Exploring Operation: 82-22=60, Resulting Numbers: [56, 63, 60] Generated Node #0,1: 53:[56, 63, 60] Operation: 82-22=60 Moving to Node #0,1 Current State: 53:[56, 63, 60], Operations: ['82-22=60'] Exploring Operation: 63-56=7, Resulting Numbers: [60, 7] Generated Node #0,1,0: 53:[60, 7] Operation: 63-56=7 Moving to Node #0,1,0 Current State: 53:[60, 7], Operations: ['82-22=60', '63-56=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 78, 80, 20, 64 ]
12
[ "80-78=2", "64/2=32", "32-20=12" ]
Current State: 12:[78, 80, 20, 64], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [20, 64, 2] Generated Node #2: [20, 64, 2] from Operation: 80-78=2 Current State: 12:[20, 64, 2], Operations: ['80-78=2'] Exploring Operation: 64/2=32, Resulting Numbers: [20, 32] Generated Node #3: [20, 32] from Operation: 64/2=32 Current State: 12:[20, 32], Operations: ['80-78=2', '64/2=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[78, 80, 20, 64], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [20, 64, 2] Generated Node #0,0: 12:[20, 64, 2] Operation: 80-78=2 Exploring Operation: 78-64=14, Resulting Numbers: [80, 20, 14] Generated Node #0,1: 12:[80, 20, 14] Operation: 78-64=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[20, 64, 2], Operations: ['80-78=2'] Exploring Operation: 64-20=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 12:[2, 44] Operation: 64-20=44 Exploring Operation: 64/2=32, Resulting Numbers: [20, 32] Generated Node #0,0,1: 12:[20, 32] Operation: 64/2=32 Moving to Node #0,0,1 Current State: 12:[20, 32], Operations: ['80-78=2', '64/2=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[78, 80, 20, 64], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [20, 64, 2] Generated Node #0,0: 12:[20, 64, 2] Operation: 80-78=2 Moving to Node #0,0 Current State: 12:[20, 64, 2], Operations: ['80-78=2'] Exploring Operation: 64/2=32, Resulting Numbers: [20, 32] Generated Node #0,0,1: 12:[20, 32] Operation: 64/2=32 Moving to Node #0,0,1 Current State: 12:[20, 32], Operations: ['80-78=2', '64/2=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 7, 93, 41, 76 ]
31
[ "93-7=86", "41+76=117", "117-86=31" ]
Current State: 31:[7, 93, 41, 76], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [41, 76, 86] Generated Node #2: [41, 76, 86] from Operation: 93-7=86 Current State: 31:[41, 76, 86], Operations: ['93-7=86'] Exploring Operation: 41+76=117, Resulting Numbers: [86, 117] Generated Node #3: [86, 117] from Operation: 41+76=117 Current State: 31:[86, 117], Operations: ['93-7=86', '41+76=117'] Exploring Operation: 117-86=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[7, 93, 41, 76], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [7, 41, 17] Generated Node #0,0: 31:[7, 41, 17] Operation: 93-76=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[7, 41, 17], Operations: ['93-76=17'] Exploring Operation: 41-7=34, Resulting Numbers: [17, 34] Generated Node #0,0,0: 31:[17, 34] Operation: 41-7=34 Moving to Node #0,0,0 Current State: 31:[17, 34], Operations: ['93-76=17', '41-7=34'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,31 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
[ 64, 76, 98, 81 ]
74
[ "64+98=162", "162/81=2", "76-2=74" ]
Current State: 74:[64, 76, 98, 81], Operations: [] Exploring Operation: 64+98=162, Resulting Numbers: [76, 81, 162] Generated Node #2: [76, 81, 162] from Operation: 64+98=162 Current State: 74:[76, 81, 162], Operations: ['64+98=162'] Exploring Operation: 162/81=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 162/81=2 Current State: 74:[76, 2], Operations: ['64+98=162', '162/81=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[64, 76, 98, 81], Operations: [] Exploring Operation: 98-64=34, Resulting Numbers: [76, 81, 34] Generated Node #0,0: 74:[76, 81, 34] Operation: 98-64=34 Exploring Operation: 98-81=17, Resulting Numbers: [64, 76, 17] Generated Node #0,1: 74:[64, 76, 17] Operation: 98-81=17 Moving to Node #0,0 Current State: 74:[76, 81, 34], Operations: ['98-64=34'] Exploring Operation: 76-34=42, Resulting Numbers: [81, 42] Generated Node #0,0,0: 74:[81, 42] Operation: 76-34=42 Exploring Operation: 81-76=5, Resulting Numbers: [34, 5] Generated Node #0,0,1: 74:[34, 5] Operation: 81-76=5 Moving to Node #0,1 Current State: 74:[64, 76, 17], Operations: ['98-81=17'] Exploring Operation: 64-17=47, Resulting Numbers: [76, 47] Generated Node #0,1,0: 74:[76, 47] Operation: 64-17=47 Exploring Operation: 64+17=81, Resulting Numbers: [76, 81] Generated Node #0,1,1: 74:[76, 81] Operation: 64+17=81 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[76, 81], Operations: ['98-81=17', '64+17=81'] Exploring Operation: 76+81=157, Resulting Numbers: [157] 157,74 unequal: No Solution Exploring Operation: 81-76=5, Resulting Numbers: [5] 5,74 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 #0,1,0 Current State: 74:[76, 47], Operations: ['98-81=17', '64-17=47'] Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 76+47=123, Resulting Numbers: [123] 123,74 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: 74:[34, 5], Operations: ['98-64=34', '81-76=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[81, 42], Operations: ['98-64=34', '76-34=42'] Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,74 unequal: No Solution Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,74 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 60, 3, 9 ]
57
[ "60/2=30", "3*9=27", "30+27=57" ]
Current State: 57:[2, 60, 3, 9], Operations: [] Exploring Operation: 60/2=30, Resulting Numbers: [3, 9, 30] Generated Node #2: [3, 9, 30] from Operation: 60/2=30 Current State: 57:[3, 9, 30], Operations: ['60/2=30'] Exploring Operation: 3*9=27, Resulting Numbers: [30, 27] Generated Node #3: [30, 27] from Operation: 3*9=27 Current State: 57:[30, 27], Operations: ['60/2=30', '3*9=27'] Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[2, 60, 3, 9], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [60, 3, 18] Generated Node #0,0: 57:[60, 3, 18] Operation: 2*9=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[60, 3, 18], Operations: ['2*9=18'] Exploring Operation: 60-3=57, Resulting Numbers: [18, 57] Generated Node #0,0,0: 57:[18, 57] Operation: 60-3=57 Moving to Node #0,0,0 Current State: 57:[18, 57], Operations: ['2*9=18', '60-3=57'] Exploring Operation: 18+57=75, Resulting Numbers: [75] 75,57 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
[ 61, 44, 42, 23 ]
82
[ "61-44=17", "42+23=65", "17+65=82" ]
Current State: 82:[61, 44, 42, 23], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [42, 23, 17] Generated Node #2: [42, 23, 17] from Operation: 61-44=17 Current State: 82:[42, 23, 17], Operations: ['61-44=17'] Exploring Operation: 42+23=65, Resulting Numbers: [17, 65] Generated Node #3: [17, 65] from Operation: 42+23=65 Current State: 82:[17, 65], Operations: ['61-44=17', '42+23=65'] Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[61, 44, 42, 23], Operations: [] Exploring Operation: 61+23=84, Resulting Numbers: [44, 42, 84] Generated Node #0,0: 82:[44, 42, 84] Operation: 61+23=84 Exploring Operation: 61-23=38, Resulting Numbers: [44, 42, 38] Generated Node #0,1: 82:[44, 42, 38] Operation: 61-23=38 Exploring Operation: 61-44=17, Resulting Numbers: [42, 23, 17] Generated Node #0,2: 82:[42, 23, 17] Operation: 61-44=17 Exploring Operation: 44+23=67, Resulting Numbers: [61, 42, 67] Generated Node #0,3: 82:[61, 42, 67] Operation: 44+23=67 Moving to Node #0,0 Current State: 82:[44, 42, 84], Operations: ['61+23=84'] Exploring Operation: 84/42=2, Resulting Numbers: [44, 2] Generated Node #0,0,0: 82:[44, 2] Operation: 84/42=2 Exploring Operation: 44-42=2, Resulting Numbers: [84, 2] Generated Node #0,0,1: 82:[84, 2] Operation: 44-42=2 Exploring Operation: 84-44=40, Resulting Numbers: [42, 40] Generated Node #0,0,2: 82:[42, 40] Operation: 84-44=40 Exploring Operation: 84-42=42, Resulting Numbers: [44, 42] Generated Node #0,0,3: 82:[44, 42] Operation: 84-42=42 Moving to Node #0,1 Current State: 82:[44, 42, 38], Operations: ['61-23=38'] Exploring Operation: 44-38=6, Resulting Numbers: [42, 6] Generated Node #0,1,0: 82:[42, 6] Operation: 44-38=6 Exploring Operation: 44-42=2, Resulting Numbers: [38, 2] Generated Node #0,1,1: 82:[38, 2] Operation: 44-42=2 Exploring Operation: 42+38=80, Resulting Numbers: [44, 80] Generated Node #0,1,2: 82:[44, 80] Operation: 42+38=80 Exploring Operation: 44+38=82, Resulting Numbers: [42, 82] Generated Node #0,1,3: 82:[42, 82] Operation: 44+38=82 Moving to Node #0,2 Current State: 82:[42, 23, 17], Operations: ['61-44=17'] Exploring Operation: 23-17=6, Resulting Numbers: [42, 6] Generated Node #0,2,0: 82:[42, 6] Operation: 23-17=6 Exploring Operation: 42+23=65, Resulting Numbers: [17, 65] Generated Node #0,2,1: 82:[17, 65] Operation: 42+23=65 Exploring Operation: 23+17=40, Resulting Numbers: [42, 40] Generated Node #0,2,2: 82:[42, 40] Operation: 23+17=40 Exploring Operation: 42-23=19, Resulting Numbers: [17, 19] Generated Node #0,2,3: 82:[17, 19] Operation: 42-23=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[42, 40], Operations: ['61-44=17', '23+17=40'] Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,82 unequal: No Solution Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[61, 44, 42, 23], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [42, 23, 17] Generated Node #0,2: 82:[42, 23, 17] Operation: 61-44=17 Moving to Node #0,2 Current State: 82:[42, 23, 17], Operations: ['61-44=17'] Exploring Operation: 23+17=40, Resulting Numbers: [42, 40] Generated Node #0,2,2: 82:[42, 40] Operation: 23+17=40 Moving to Node #0,2,2 Current State: 82:[42, 40], Operations: ['61-44=17', '23+17=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 72, 19, 14, 65 ]
26
[ "72-19=53", "14+65=79", "79-53=26" ]
Current State: 26:[72, 19, 14, 65], Operations: [] Exploring Operation: 72-19=53, Resulting Numbers: [14, 65, 53] Generated Node #2: [14, 65, 53] from Operation: 72-19=53 Current State: 26:[14, 65, 53], Operations: ['72-19=53'] Exploring Operation: 14+65=79, Resulting Numbers: [53, 79] Generated Node #3: [53, 79] from Operation: 14+65=79 Current State: 26:[53, 79], Operations: ['72-19=53', '14+65=79'] Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[72, 19, 14, 65], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [19, 14, 7] Generated Node #0,0: 26:[19, 14, 7] Operation: 72-65=7 Exploring Operation: 65-14=51, Resulting Numbers: [72, 19, 51] Generated Node #0,1: 26:[72, 19, 51] Operation: 65-14=51 Exploring Operation: 72-14=58, Resulting Numbers: [19, 65, 58] Generated Node #0,2: 26:[19, 65, 58] Operation: 72-14=58 Exploring Operation: 65-19=46, Resulting Numbers: [72, 14, 46] Generated Node #0,3: 26:[72, 14, 46] Operation: 65-19=46 Exploring Operation: 72-19=53, Resulting Numbers: [14, 65, 53] Generated Node #0,4: 26:[14, 65, 53] Operation: 72-19=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[19, 14, 7], Operations: ['72-65=7'] Exploring Operation: 14+7=21, Resulting Numbers: [19, 21] Generated Node #0,0,0: 26:[19, 21] Operation: 14+7=21 Exploring Operation: 19-7=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 26:[14, 12] Operation: 19-7=12 Exploring Operation: 19+7=26, Resulting Numbers: [14, 26] Generated Node #0,0,2: 26:[14, 26] Operation: 19+7=26 Exploring Operation: 19-14=5, Resulting Numbers: [7, 5] Generated Node #0,0,3: 26:[7, 5] Operation: 19-14=5 Exploring Operation: 14/7=2, Resulting Numbers: [19, 2] Generated Node #0,0,4: 26:[19, 2] Operation: 14/7=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[14, 26], Operations: ['72-65=7', '19+7=26'] Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,26 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,26 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 #0,0,1 Current State: 26:[14, 12], Operations: ['72-65=7', '19-7=12'] Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,26 unequal: No Solution Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[72, 19, 14, 65], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [19, 14, 7] Generated Node #0,0: 26:[19, 14, 7] Operation: 72-65=7 Moving to Node #0,0 Current State: 26:[19, 14, 7], Operations: ['72-65=7'] Exploring Operation: 19-7=12, Resulting Numbers: [14, 12] Generated Node #0,0,1: 26:[14, 12] Operation: 19-7=12 Moving to Node #0,0,1 Current State: 26:[14, 12], Operations: ['72-65=7', '19-7=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 64, 63, 55, 60 ]
67
[ "64-55=9", "63/9=7", "60+7=67" ]
Current State: 67:[64, 63, 55, 60], Operations: [] Exploring Operation: 64-55=9, Resulting Numbers: [63, 60, 9] Generated Node #2: [63, 60, 9] from Operation: 64-55=9 Current State: 67:[63, 60, 9], Operations: ['64-55=9'] Exploring Operation: 63/9=7, Resulting Numbers: [60, 7] Generated Node #3: [60, 7] from Operation: 63/9=7 Current State: 67:[60, 7], Operations: ['64-55=9', '63/9=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[64, 63, 55, 60], Operations: [] Exploring Operation: 63+55=118, Resulting Numbers: [64, 60, 118] Generated Node #0,0: 67:[64, 60, 118] Operation: 63+55=118 Exploring Operation: 64+55=119, Resulting Numbers: [63, 60, 119] Generated Node #0,1: 67:[63, 60, 119] Operation: 64+55=119 Exploring Operation: 55+60=115, Resulting Numbers: [64, 63, 115] Generated Node #0,2: 67:[64, 63, 115] Operation: 55+60=115 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[64, 63, 115], Operations: ['55+60=115'] Exploring Operation: 115-63=52, Resulting Numbers: [64, 52] Generated Node #0,2,0: 67:[64, 52] Operation: 115-63=52 Exploring Operation: 115-64=51, Resulting Numbers: [63, 51] Generated Node #0,2,1: 67:[63, 51] Operation: 115-64=51 Exploring Operation: 64+63=127, Resulting Numbers: [115, 127] Generated Node #0,2,2: 67:[115, 127] Operation: 64+63=127 Moving to Node #0,2,0 Current State: 67:[64, 52], Operations: ['55+60=115', '115-63=52'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,67 unequal: No Solution Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[63, 51], Operations: ['55+60=115', '115-64=51'] Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,67 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[115, 127], Operations: ['55+60=115', '64+63=127'] Exploring Operation: 127-115=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 115*127=14605, Resulting Numbers: [14605] 14605,67 unequal: No Solution Exploring Operation: 115+127=242, Resulting Numbers: [242] 242,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[64, 60, 118], Operations: ['63+55=118'] Exploring Operation: 118-60=58, Resulting Numbers: [64, 58] Generated Node #0,0,0: 67:[64, 58] Operation: 118-60=58 Exploring Operation: 64+60=124, Resulting Numbers: [118, 124] Generated Node #0,0,1: 67:[118, 124] Operation: 64+60=124 Exploring Operation: 118-64=54, Resulting Numbers: [60, 54] Generated Node #0,0,2: 67:[60, 54] Operation: 118-64=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[64, 58], Operations: ['63+55=118', '118-60=58'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 64*58=3712, Resulting Numbers: [3712] 3712,67 unequal: No Solution Exploring Operation: 64+58=122, Resulting Numbers: [122] 122,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[60, 54], Operations: ['63+55=118', '118-64=54'] Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 60+54=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 60*54=3240, Resulting Numbers: [3240] 3240,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[118, 124], Operations: ['63+55=118', '64+60=124'] Exploring Operation: 118+124=242, Resulting Numbers: [242] 242,67 unequal: No Solution Exploring Operation: 124-118=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 118*124=14632, Resulting Numbers: [14632] 14632,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[63, 60, 119], Operations: ['64+55=119'] Exploring Operation: 119-60=59, Resulting Numbers: [63, 59] Generated Node #0,1,0: 67:[63, 59] Operation: 119-60=59 Exploring Operation: 63+60=123, Resulting Numbers: [119, 123] Generated Node #0,1,1: 67:[119, 123] Operation: 63+60=123 Exploring Operation: 119-63=56, Resulting Numbers: [60, 56] Generated Node #0,1,2: 67:[60, 56] Operation: 119-63=56 Moving to Node #0,1,0 Current State: 67:[63, 59], Operations: ['64+55=119', '119-60=59'] Exploring Operation: 63+59=122, Resulting Numbers: [122] 122,67 unequal: No Solution Exploring Operation: 63*59=3717, Resulting Numbers: [3717] 3717,67 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[60, 56], Operations: ['64+55=119', '119-63=56'] Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,67 unequal: No Solution Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,67 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[119, 123], Operations: ['64+55=119', '63+60=123'] Exploring Operation: 119*123=14637, Resulting Numbers: [14637] 14637,67 unequal: No Solution Exploring Operation: 123-119=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 119+123=242, Resulting Numbers: [242] 242,67 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
[ 1, 89, 86, 63 ]
65
[ "89-1=88", "86-63=23", "88-23=65" ]
Current State: 65:[1, 89, 86, 63], Operations: [] Exploring Operation: 89-1=88, Resulting Numbers: [86, 63, 88] Generated Node #2: [86, 63, 88] from Operation: 89-1=88 Current State: 65:[86, 63, 88], Operations: ['89-1=88'] Exploring Operation: 86-63=23, Resulting Numbers: [88, 23] Generated Node #3: [88, 23] from Operation: 86-63=23 Current State: 65:[88, 23], Operations: ['89-1=88', '86-63=23'] Exploring Operation: 88-23=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[1, 89, 86, 63], Operations: [] Exploring Operation: 89-63=26, Resulting Numbers: [1, 86, 26] Generated Node #0,0: 65:[1, 86, 26] Operation: 89-63=26 Exploring Operation: 89-86=3, Resulting Numbers: [1, 63, 3] Generated Node #0,1: 65:[1, 63, 3] Operation: 89-86=3 Moving to Node #0,1 Current State: 65:[1, 63, 3], Operations: ['89-86=3'] Exploring Operation: 1+3=4, Resulting Numbers: [63, 4] Generated Node #0,1,0: 65:[63, 4] Operation: 1+3=4 Exploring Operation: 1+63=64, Resulting Numbers: [3, 64] Generated Node #0,1,1: 65:[3, 64] Operation: 1+63=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[63, 4], Operations: ['89-86=3', '1+3=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[3, 64], Operations: ['89-86=3', '1+63=64'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,65 unequal: No Solution Exploring Operation: 3+64=67, Resulting Numbers: [67] 67,65 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: 65:[1, 86, 26], Operations: ['89-63=26'] Exploring Operation: 86-26=60, Resulting Numbers: [1, 60] Generated Node #0,0,0: 65:[1, 60] Operation: 86-26=60 Exploring Operation: 86-1=85, Resulting Numbers: [26, 85] Generated Node #0,0,1: 65:[26, 85] Operation: 86-1=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[1, 60], Operations: ['89-63=26', '86-26=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,65 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[26, 85], Operations: ['89-63=26', '86-1=85'] Exploring Operation: 26+85=111, Resulting Numbers: [111] 111,65 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,65 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
[ 77, 79, 78, 81 ]
38
[ "81-79=2", "78/2=39", "77-39=38" ]
Current State: 38:[77, 79, 78, 81], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [77, 78, 2] Generated Node #2: [77, 78, 2] from Operation: 81-79=2 Current State: 38:[77, 78, 2], Operations: ['81-79=2'] Exploring Operation: 78/2=39, Resulting Numbers: [77, 39] Generated Node #3: [77, 39] from Operation: 78/2=39 Current State: 38:[77, 39], Operations: ['81-79=2', '78/2=39'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[77, 79, 78, 81], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [77, 78, 2] Generated Node #0,0: 38:[77, 78, 2] Operation: 81-79=2 Exploring Operation: 81-78=3, Resulting Numbers: [77, 79, 3] Generated Node #0,1: 38:[77, 79, 3] Operation: 81-78=3 Moving to Node #0,0 Current State: 38:[77, 78, 2], Operations: ['81-79=2'] Exploring Operation: 78/2=39, Resulting Numbers: [77, 39] Generated Node #0,0,0: 38:[77, 39] Operation: 78/2=39 Exploring Operation: 78-77=1, Resulting Numbers: [2, 1] Generated Node #0,0,1: 38:[2, 1] Operation: 78-77=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[2, 1], Operations: ['81-79=2', '78-77=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[77, 39], Operations: ['81-79=2', '78/2=39'] Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,38 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[77, 79, 78, 81], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [77, 78, 2] Generated Node #0,0: 38:[77, 78, 2] Operation: 81-79=2 Moving to Node #0,0 Current State: 38:[77, 78, 2], Operations: ['81-79=2'] Exploring Operation: 78/2=39, Resulting Numbers: [77, 39] Generated Node #0,0,0: 38:[77, 39] Operation: 78/2=39 Moving to Node #0,0,0 Current State: 38:[77, 39], Operations: ['81-79=2', '78/2=39'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 29, 4, 27, 94 ]
42
[ "29-4=25", "94-27=67", "67-25=42" ]
Current State: 42:[29, 4, 27, 94], Operations: [] Exploring Operation: 29-4=25, Resulting Numbers: [27, 94, 25] Generated Node #2: [27, 94, 25] from Operation: 29-4=25 Current State: 42:[27, 94, 25], Operations: ['29-4=25'] Exploring Operation: 94-27=67, Resulting Numbers: [25, 67] Generated Node #3: [25, 67] from Operation: 94-27=67 Current State: 42:[25, 67], Operations: ['29-4=25', '94-27=67'] Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[29, 4, 27, 94], Operations: [] Exploring Operation: 94-29=65, Resulting Numbers: [4, 27, 65] Generated Node #0,0: 42:[4, 27, 65] Operation: 94-29=65 Moving to Node #0,0 Current State: 42:[4, 27, 65], Operations: ['94-29=65'] Exploring Operation: 65-27=38, Resulting Numbers: [4, 38] Generated Node #0,0,0: 42:[4, 38] Operation: 65-27=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[4, 38], Operations: ['94-29=65', '65-27=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[29, 4, 27, 94], Operations: [] Exploring Operation: 94-29=65, Resulting Numbers: [4, 27, 65] Generated Node #0,0: 42:[4, 27, 65] Operation: 94-29=65 Moving to Node #0,0 Current State: 42:[4, 27, 65], Operations: ['94-29=65'] Exploring Operation: 65-27=38, Resulting Numbers: [4, 38] Generated Node #0,0,0: 42:[4, 38] Operation: 65-27=38 Moving to Node #0,0,0 Current State: 42:[4, 38], Operations: ['94-29=65', '65-27=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 30, 52, 58, 29 ]
24
[ "52-30=22", "58/29=2", "22+2=24" ]
Current State: 24:[30, 52, 58, 29], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [58, 29, 22] Generated Node #2: [58, 29, 22] from Operation: 52-30=22 Current State: 24:[58, 29, 22], Operations: ['52-30=22'] Exploring Operation: 58/29=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 58/29=2 Current State: 24:[22, 2], Operations: ['52-30=22', '58/29=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[30, 52, 58, 29], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [30, 52, 2] Generated Node #0,0: 24:[30, 52, 2] Operation: 58/29=2 Exploring Operation: 58-30=28, Resulting Numbers: [52, 29, 28] Generated Node #0,1: 24:[52, 29, 28] Operation: 58-30=28 Exploring Operation: 58-52=6, Resulting Numbers: [30, 29, 6] Generated Node #0,2: 24:[30, 29, 6] Operation: 58-52=6 Moving to Node #0,2 Current State: 24:[30, 29, 6], Operations: ['58-52=6'] Exploring Operation: 30-29=1, Resulting Numbers: [6, 1] Generated Node #0,2,0: 24:[6, 1] Operation: 30-29=1 Exploring Operation: 30-6=24, Resulting Numbers: [29, 24] Generated Node #0,2,1: 24:[29, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [29, 5] Generated Node #0,2,2: 24:[29, 5] Operation: 30/6=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[6, 1], Operations: ['58-52=6', '30-29=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[29, 24], Operations: ['58-52=6', '30-6=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,24 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 24:[29, 5], Operations: ['58-52=6', '30/6=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,24 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,24 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[30, 52, 58, 29], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [30, 29, 6] Generated Node #0,2: 24:[30, 29, 6] Operation: 58-52=6 Moving to Node #0,2 Current State: 24:[30, 29, 6], Operations: ['58-52=6'] Exploring Operation: 30/6=5, Resulting Numbers: [29, 5] Generated Node #0,2,2: 24:[29, 5] Operation: 30/6=5 Moving to Node #0,2,2 Current State: 24:[29, 5], Operations: ['58-52=6', '30/6=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 60, 71, 36, 48 ]
95
[ "71-60=11", "36+48=84", "11+84=95" ]
Current State: 95:[60, 71, 36, 48], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [36, 48, 11] Generated Node #2: [36, 48, 11] from Operation: 71-60=11 Current State: 95:[36, 48, 11], Operations: ['71-60=11'] Exploring Operation: 36+48=84, Resulting Numbers: [11, 84] Generated Node #3: [11, 84] from Operation: 36+48=84 Current State: 95:[11, 84], Operations: ['71-60=11', '36+48=84'] Exploring Operation: 11+84=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[60, 71, 36, 48], Operations: [] Exploring Operation: 60+48=108, Resulting Numbers: [71, 36, 108] Generated Node #0,0: 95:[71, 36, 108] Operation: 60+48=108 Exploring Operation: 60+36=96, Resulting Numbers: [71, 48, 96] Generated Node #0,1: 95:[71, 48, 96] Operation: 60+36=96 Exploring Operation: 60-48=12, Resulting Numbers: [71, 36, 12] Generated Node #0,2: 95:[71, 36, 12] Operation: 60-48=12 Exploring Operation: 71-60=11, Resulting Numbers: [36, 48, 11] Generated Node #0,3: 95:[36, 48, 11] Operation: 71-60=11 Moving to Node #0,2 Current State: 95:[71, 36, 12], Operations: ['60-48=12'] Exploring Operation: 71+12=83, Resulting Numbers: [36, 83] Generated Node #0,2,0: 95:[36, 83] Operation: 71+12=83 Exploring Operation: 71-36=35, Resulting Numbers: [12, 35] Generated Node #0,2,1: 95:[12, 35] Operation: 71-36=35 Exploring Operation: 71+36=107, Resulting Numbers: [12, 107] Generated Node #0,2,2: 95:[12, 107] Operation: 71+36=107 Exploring Operation: 36/12=3, Resulting Numbers: [71, 3] Generated Node #0,2,3: 95:[71, 3] Operation: 36/12=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[12, 107], Operations: ['60-48=12', '71+36=107'] Exploring Operation: 12*107=1284, Resulting Numbers: [1284] 1284,95 unequal: No Solution Exploring Operation: 107-12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[60, 71, 36, 48], Operations: [] Exploring Operation: 60-48=12, Resulting Numbers: [71, 36, 12] Generated Node #0,2: 95:[71, 36, 12] Operation: 60-48=12 Moving to Node #0,2 Current State: 95:[71, 36, 12], Operations: ['60-48=12'] Exploring Operation: 71+36=107, Resulting Numbers: [12, 107] Generated Node #0,2,2: 95:[12, 107] Operation: 71+36=107 Moving to Node #0,2,2 Current State: 95:[12, 107], Operations: ['60-48=12', '71+36=107'] Exploring Operation: 107-12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 4, 46, 74, 65 ]
35
[ "46+74=120", "120/4=30", "65-30=35" ]
Current State: 35:[4, 46, 74, 65], Operations: [] Exploring Operation: 46+74=120, Resulting Numbers: [4, 65, 120] Generated Node #2: [4, 65, 120] from Operation: 46+74=120 Current State: 35:[4, 65, 120], Operations: ['46+74=120'] Exploring Operation: 120/4=30, Resulting Numbers: [65, 30] Generated Node #3: [65, 30] from Operation: 120/4=30 Current State: 35:[65, 30], Operations: ['46+74=120', '120/4=30'] Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[4, 46, 74, 65], Operations: [] Exploring Operation: 65-46=19, Resulting Numbers: [4, 74, 19] Generated Node #0,0: 35:[4, 74, 19] Operation: 65-46=19 Exploring Operation: 74-46=28, Resulting Numbers: [4, 65, 28] Generated Node #0,1: 35:[4, 65, 28] Operation: 74-46=28 Exploring Operation: 74-4=70, Resulting Numbers: [46, 65, 70] Generated Node #0,2: 35:[46, 65, 70] Operation: 74-4=70 Exploring Operation: 74-65=9, Resulting Numbers: [4, 46, 9] Generated Node #0,3: 35:[4, 46, 9] Operation: 74-65=9 Exploring Operation: 46-4=42, Resulting Numbers: [74, 65, 42] Generated Node #0,4: 35:[74, 65, 42] Operation: 46-4=42 Moving to Node #0,3 Current State: 35:[4, 46, 9], Operations: ['74-65=9'] Exploring Operation: 4+46=50, Resulting Numbers: [9, 50] Generated Node #0,3,0: 35:[9, 50] Operation: 4+46=50 Exploring Operation: 46-4=42, Resulting Numbers: [9, 42] Generated Node #0,3,1: 35:[9, 42] Operation: 46-4=42 Exploring Operation: 4*9=36, Resulting Numbers: [46, 36] Generated Node #0,3,2: 35:[46, 36] Operation: 4*9=36 Exploring Operation: 46-9=37, Resulting Numbers: [4, 37] Generated Node #0,3,3: 35:[4, 37] Operation: 46-9=37 Exploring Operation: 9-4=5, Resulting Numbers: [46, 5] Generated Node #0,3,4: 35:[46, 5] Operation: 9-4=5 Moving to Node #0,1 Current State: 35:[4, 65, 28], Operations: ['74-46=28'] Exploring Operation: 4+65=69, Resulting Numbers: [28, 69] Generated Node #0,1,0: 35:[28, 69] Operation: 4+65=69 Exploring Operation: 65-28=37, Resulting Numbers: [4, 37] Generated Node #0,1,1: 35:[4, 37] Operation: 65-28=37 Exploring Operation: 65-4=61, Resulting Numbers: [28, 61] Generated Node #0,1,2: 35:[28, 61] Operation: 65-4=61 Exploring Operation: 4+28=32, Resulting Numbers: [65, 32] Generated Node #0,1,3: 35:[65, 32] Operation: 4+28=32 Exploring Operation: 28/4=7, Resulting Numbers: [65, 7] Generated Node #0,1,4: 35:[65, 7] Operation: 28/4=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[4, 37], Operations: ['74-46=28', '65-28=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,35 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 35:[65, 7], Operations: ['74-46=28', '28/4=7'] Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,35 unequal: No Solution Exploring Operation: 65+7=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 65*7=455, Resulting Numbers: [455] 455,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[28, 61], Operations: ['74-46=28', '65-4=61'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 35:[65, 32], Operations: ['74-46=28', '4+28=32'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,35 unequal: No Solution Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[28, 69], Operations: ['74-46=28', '4+65=69'] Exploring Operation: 28*69=1932, Resulting Numbers: [1932] 1932,35 unequal: No Solution Exploring Operation: 28+69=97, Resulting Numbers: [97] 97,35 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 35:[4, 74, 19], Operations: ['65-46=19'] Exploring Operation: 19-4=15, Resulting Numbers: [74, 15] Generated Node #0,0,0: 35:[74, 15] Operation: 19-4=15 Exploring Operation: 4+19=23, Resulting Numbers: [74, 23] Generated Node #0,0,1: 35:[74, 23] Operation: 4+19=23 Exploring Operation: 74-4=70, Resulting Numbers: [19, 70] Generated Node #0,0,2: 35:[19, 70] Operation: 74-4=70 Exploring Operation: 4+74=78, Resulting Numbers: [19, 78] Generated Node #0,0,3: 35:[19, 78] Operation: 4+74=78 Exploring Operation: 74-19=55, Resulting Numbers: [4, 55] Generated Node #0,0,4: 35:[4, 55] Operation: 74-19=55 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 35:[4, 55], Operations: ['65-46=19', '74-19=55'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,35 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[74, 15], Operations: ['65-46=19', '19-4=15'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,35 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,35 unequal: No Solution Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[19, 70], Operations: ['65-46=19', '74-4=70'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 19+70=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 19*70=1330, Resulting Numbers: [1330] 1330,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[74, 23], Operations: ['65-46=19', '4+19=23'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,35 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 35:[19, 78], Operations: ['65-46=19', '4+74=78'] Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,35 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,35 unequal: No Solution Exploring Operation: 19*78=1482, Resulting Numbers: [1482] 1482,35 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: 35:[46, 65, 70], Operations: ['74-4=70'] Exploring Operation: 70-65=5, Resulting Numbers: [46, 5] Generated Node #0,2,0: 35:[46, 5] Operation: 70-65=5 Exploring Operation: 46+65=111, Resulting Numbers: [70, 111] Generated Node #0,2,1: 35:[70, 111] Operation: 46+65=111 Exploring Operation: 65-46=19, Resulting Numbers: [70, 19] Generated Node #0,2,2: 35:[70, 19] Operation: 65-46=19 Exploring Operation: 70-46=24, Resulting Numbers: [65, 24] Generated Node #0,2,3: 35:[65, 24] Operation: 70-46=24 Exploring Operation: 46+70=116, Resulting Numbers: [65, 116] Generated Node #0,2,4: 35:[65, 116] Operation: 46+70=116 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[46, 5], Operations: ['74-4=70', '70-65=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,35 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 35:[65, 24], Operations: ['74-4=70', '70-46=24'] Exploring Operation: 65*24=1560, Resulting Numbers: [1560] 1560,35 unequal: No Solution Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[70, 19], Operations: ['74-4=70', '65-46=19'] Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 70*19=1330, Resulting Numbers: [1330] 1330,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[70, 111], Operations: ['74-4=70', '46+65=111'] Exploring Operation: 111-70=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 70*111=7770, Resulting Numbers: [7770] 7770,35 unequal: No Solution Exploring Operation: 70+111=181, Resulting Numbers: [181] 181,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 35:[65, 116], Operations: ['74-4=70', '46+70=116'] Exploring Operation: 65+116=181, Resulting Numbers: [181] 181,35 unequal: No Solution Exploring Operation: 116-65=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 65*116=7540, Resulting Numbers: [7540] 7540,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 35:[74, 65, 42], Operations: ['46-4=42'] Exploring Operation: 74-42=32, Resulting Numbers: [65, 32] Generated Node #0,4,0: 35:[65, 32] Operation: 74-42=32 Exploring Operation: 65-42=23, Resulting Numbers: [74, 23] Generated Node #0,4,1: 35:[74, 23] Operation: 65-42=23 Exploring Operation: 74+65=139, Resulting Numbers: [42, 139] Generated Node #0,4,2: 35:[42, 139] Operation: 74+65=139 Exploring Operation: 74+42=116, Resulting Numbers: [65, 116] Generated Node #0,4,3: 35:[65, 116] Operation: 74+42=116 Exploring Operation: 74-65=9, Resulting Numbers: [42, 9] Generated Node #0,4,4: 35:[42, 9] Operation: 74-65=9 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 35:[42, 9], Operations: ['46-4=42', '74-65=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,35 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 35:[65, 32], Operations: ['46-4=42', '74-42=32'] Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,35 unequal: No Solution Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,35 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 35:[74, 23], Operations: ['46-4=42', '65-42=23'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,35 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 35:[42, 139], Operations: ['46-4=42', '74+65=139'] Exploring Operation: 42+139=181, Resulting Numbers: [181] 181,35 unequal: No Solution Exploring Operation: 139-42=97, Resulting Numbers: [97] 97,35 unequal: No Solution Exploring Operation: 42*139=5838, Resulting Numbers: [5838] 5838,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[65, 116], Operations: ['46-4=42', '74+42=116'] Exploring Operation: 65*116=7540, Resulting Numbers: [7540] 7540,35 unequal: No Solution Exploring Operation: 65+116=181, Resulting Numbers: [181] 181,35 unequal: No Solution Exploring Operation: 116-65=51, Resulting Numbers: [51] 51,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 35:[4, 37], Operations: ['74-65=9', '46-9=37'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[9, 42], Operations: ['74-65=9', '46-4=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,35 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[46, 5], Operations: ['74-65=9', '9-4=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,35 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[46, 36], Operations: ['74-65=9', '4*9=36'] Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,35 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,35 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[9, 50], Operations: ['74-65=9', '4+46=50'] Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,35 unequal: No Solution Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,35 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,35 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 88, 54, 2, 62 ]
82
[ "88+54=142", "62-2=60", "142-60=82" ]
Current State: 82:[88, 54, 2, 62], Operations: [] Exploring Operation: 88+54=142, Resulting Numbers: [2, 62, 142] Generated Node #2: [2, 62, 142] from Operation: 88+54=142 Current State: 82:[2, 62, 142], Operations: ['88+54=142'] Exploring Operation: 62-2=60, Resulting Numbers: [142, 60] Generated Node #3: [142, 60] from Operation: 62-2=60 Current State: 82:[142, 60], Operations: ['88+54=142', '62-2=60'] Exploring Operation: 142-60=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[88, 54, 2, 62], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [88, 2, 8] Generated Node #0,0: 82:[88, 2, 8] Operation: 62-54=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[88, 2, 8], Operations: ['62-54=8'] Exploring Operation: 88-8=80, Resulting Numbers: [2, 80] Generated Node #0,0,0: 82:[2, 80] Operation: 88-8=80 Moving to Node #0,0,0 Current State: 82:[2, 80], Operations: ['62-54=8', '88-8=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[88, 54, 2, 62], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [88, 2, 8] Generated Node #0,0: 82:[88, 2, 8] Operation: 62-54=8 Moving to Node #0,0 Current State: 82:[88, 2, 8], Operations: ['62-54=8'] Exploring Operation: 88-8=80, Resulting Numbers: [2, 80] Generated Node #0,0,0: 82:[2, 80] Operation: 88-8=80 Moving to Node #0,0,0 Current State: 82:[2, 80], Operations: ['62-54=8', '88-8=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 70, 52, 23, 36 ]
63
[ "70+52=122", "23+36=59", "122-59=63" ]
Current State: 63:[70, 52, 23, 36], Operations: [] Exploring Operation: 70+52=122, Resulting Numbers: [23, 36, 122] Generated Node #2: [23, 36, 122] from Operation: 70+52=122 Current State: 63:[23, 36, 122], Operations: ['70+52=122'] Exploring Operation: 23+36=59, Resulting Numbers: [122, 59] Generated Node #3: [122, 59] from Operation: 23+36=59 Current State: 63:[122, 59], Operations: ['70+52=122', '23+36=59'] Exploring Operation: 122-59=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[70, 52, 23, 36], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [70, 52, 13] Generated Node #0,0: 63:[70, 52, 13] Operation: 36-23=13 Exploring Operation: 70-36=34, Resulting Numbers: [52, 23, 34] Generated Node #0,1: 63:[52, 23, 34] Operation: 70-36=34 Exploring Operation: 23+36=59, Resulting Numbers: [70, 52, 59] Generated Node #0,2: 63:[70, 52, 59] Operation: 23+36=59 Exploring Operation: 52-36=16, Resulting Numbers: [70, 23, 16] Generated Node #0,3: 63:[70, 23, 16] Operation: 52-36=16 Exploring Operation: 70-52=18, Resulting Numbers: [23, 36, 18] Generated Node #0,4: 63:[23, 36, 18] Operation: 70-52=18 Moving to Node #0,3 Current State: 63:[70, 23, 16], Operations: ['52-36=16'] Exploring Operation: 70-16=54, Resulting Numbers: [23, 54] Generated Node #0,3,0: 63:[23, 54] Operation: 70-16=54 Exploring Operation: 23+16=39, Resulting Numbers: [70, 39] Generated Node #0,3,1: 63:[70, 39] Operation: 23+16=39 Exploring Operation: 23-16=7, Resulting Numbers: [70, 7] Generated Node #0,3,2: 63:[70, 7] Operation: 23-16=7 Exploring Operation: 70+16=86, Resulting Numbers: [23, 86] Generated Node #0,3,3: 63:[23, 86] Operation: 70+16=86 Exploring Operation: 70-23=47, Resulting Numbers: [16, 47] Generated Node #0,3,4: 63:[16, 47] Operation: 70-23=47 Moving to Node #0,4 Current State: 63:[23, 36, 18], Operations: ['70-52=18'] Exploring Operation: 36-18=18, Resulting Numbers: [23, 18] Generated Node #0,4,0: 63:[23, 18] Operation: 36-18=18 Exploring Operation: 36-23=13, Resulting Numbers: [18, 13] Generated Node #0,4,1: 63:[18, 13] Operation: 36-23=13 Exploring Operation: 23+36=59, Resulting Numbers: [18, 59] Generated Node #0,4,2: 63:[18, 59] Operation: 23+36=59 Exploring Operation: 36/18=2, Resulting Numbers: [23, 2] Generated Node #0,4,3: 63:[23, 2] Operation: 36/18=2 Exploring Operation: 36+18=54, Resulting Numbers: [23, 54] Generated Node #0,4,4: 63:[23, 54] Operation: 36+18=54 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 63:[23, 2], Operations: ['70-52=18', '36/18=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,63 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 63:[23, 18], Operations: ['70-52=18', '36-18=18'] Exploring Operation: 23*18=414, Resulting Numbers: [414] 414,63 unequal: No Solution Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,63 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 63:[18, 13], Operations: ['70-52=18', '36-23=13'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,63 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 63:[18, 59], Operations: ['70-52=18', '23+36=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,63 unequal: No Solution Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,63 unequal: No Solution Exploring Operation: 18*59=1062, Resulting Numbers: [1062] 1062,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 63:[23, 54], Operations: ['70-52=18', '36+18=54'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 23*54=1242, Resulting Numbers: [1242] 1242,63 unequal: No Solution Exploring Operation: 23+54=77, Resulting Numbers: [77] 77,63 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: 63:[70, 52, 13], Operations: ['36-23=13'] Exploring Operation: 70-13=57, Resulting Numbers: [52, 57] Generated Node #0,0,0: 63:[52, 57] Operation: 70-13=57 Exploring Operation: 52-13=39, Resulting Numbers: [70, 39] Generated Node #0,0,1: 63:[70, 39] Operation: 52-13=39 Exploring Operation: 70-52=18, Resulting Numbers: [13, 18] Generated Node #0,0,2: 63:[13, 18] Operation: 70-52=18 Exploring Operation: 52+13=65, Resulting Numbers: [70, 65] Generated Node #0,0,3: 63:[70, 65] Operation: 52+13=65 Exploring Operation: 52/13=4, Resulting Numbers: [70, 4] Generated Node #0,0,4: 63:[70, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[13, 18], Operations: ['36-23=13', '70-52=18'] Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,63 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[70, 4], Operations: ['36-23=13', '52/13=4'] Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,63 unequal: No Solution Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[70, 65], Operations: ['36-23=13', '52+13=65'] Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 70+65=135, Resulting Numbers: [135] 135,63 unequal: No Solution Exploring Operation: 70*65=4550, Resulting Numbers: [4550] 4550,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[52, 57], Operations: ['36-23=13', '70-13=57'] Exploring Operation: 52+57=109, Resulting Numbers: [109] 109,63 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 52*57=2964, Resulting Numbers: [2964] 2964,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[70, 39], Operations: ['36-23=13', '52-13=39'] Exploring Operation: 70*39=2730, Resulting Numbers: [2730] 2730,63 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,63 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: 63:[70, 52, 59], Operations: ['23+36=59'] Exploring Operation: 70-59=11, Resulting Numbers: [52, 11] Generated Node #0,2,0: 63:[52, 11] Operation: 70-59=11 Exploring Operation: 52+59=111, Resulting Numbers: [70, 111] Generated Node #0,2,1: 63:[70, 111] Operation: 52+59=111 Exploring Operation: 59-52=7, Resulting Numbers: [70, 7] Generated Node #0,2,2: 63:[70, 7] Operation: 59-52=7 Exploring Operation: 70+52=122, Resulting Numbers: [59, 122] Generated Node #0,2,3: 63:[59, 122] Operation: 70+52=122 Exploring Operation: 70-52=18, Resulting Numbers: [59, 18] Generated Node #0,2,4: 63:[59, 18] Operation: 70-52=18 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[70, 7], Operations: ['23+36=59', '59-52=7'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[70, 52, 23, 36], Operations: [] Exploring Operation: 23+36=59, Resulting Numbers: [70, 52, 59] Generated Node #0,2: 63:[70, 52, 59] Operation: 23+36=59 Moving to Node #0,2 Current State: 63:[70, 52, 59], Operations: ['23+36=59'] Exploring Operation: 59-52=7, Resulting Numbers: [70, 7] Generated Node #0,2,2: 63:[70, 7] Operation: 59-52=7 Moving to Node #0,2,2 Current State: 63:[70, 7], Operations: ['23+36=59', '59-52=7'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 26, 75, 36, 65 ]
20
[ "75-26=49", "65-36=29", "49-29=20" ]
Current State: 20:[26, 75, 36, 65], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [36, 65, 49] Generated Node #2: [36, 65, 49] from Operation: 75-26=49 Current State: 20:[36, 65, 49], Operations: ['75-26=49'] Exploring Operation: 65-36=29, Resulting Numbers: [49, 29] Generated Node #3: [49, 29] from Operation: 65-36=29 Current State: 20:[49, 29], Operations: ['75-26=49', '65-36=29'] Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[26, 75, 36, 65], Operations: [] Exploring Operation: 65-36=29, Resulting Numbers: [26, 75, 29] Generated Node #0,0: 20:[26, 75, 29] Operation: 65-36=29 Exploring Operation: 75-65=10, Resulting Numbers: [26, 36, 10] Generated Node #0,1: 20:[26, 36, 10] Operation: 75-65=10 Exploring Operation: 75-26=49, Resulting Numbers: [36, 65, 49] Generated Node #0,2: 20:[36, 65, 49] Operation: 75-26=49 Exploring Operation: 75-36=39, Resulting Numbers: [26, 65, 39] Generated Node #0,3: 20:[26, 65, 39] Operation: 75-36=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[26, 36, 10], Operations: ['75-65=10'] Exploring Operation: 36-10=26, Resulting Numbers: [26, 26] Generated Node #0,1,0: 20:[26, 26] Operation: 36-10=26 Exploring Operation: 26-10=16, Resulting Numbers: [36, 16] Generated Node #0,1,1: 20:[36, 16] Operation: 26-10=16 Exploring Operation: 36-26=10, Resulting Numbers: [10, 10] Generated Node #0,1,2: 20:[10, 10] Operation: 36-26=10 Exploring Operation: 26+10=36, Resulting Numbers: [36, 36] Generated Node #0,1,3: 20:[36, 36] Operation: 26+10=36 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[10, 10], Operations: ['75-65=10', '36-26=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[26, 75, 36, 65], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [26, 36, 10] Generated Node #0,1: 20:[26, 36, 10] Operation: 75-65=10 Moving to Node #0,1 Current State: 20:[26, 36, 10], Operations: ['75-65=10'] Exploring Operation: 36-26=10, Resulting Numbers: [10, 10] Generated Node #0,1,2: 20:[10, 10] Operation: 36-26=10 Moving to Node #0,1,2 Current State: 20:[10, 10], Operations: ['75-65=10', '36-26=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 11, 19, 2, 31 ]
91
[ "11+19=30", "2*30=60", "31+60=91" ]
Current State: 91:[11, 19, 2, 31], Operations: [] Exploring Operation: 11+19=30, Resulting Numbers: [2, 31, 30] Generated Node #2: [2, 31, 30] from Operation: 11+19=30 Current State: 91:[2, 31, 30], Operations: ['11+19=30'] Exploring Operation: 2*30=60, Resulting Numbers: [31, 60] Generated Node #3: [31, 60] from Operation: 2*30=60 Current State: 91:[31, 60], Operations: ['11+19=30', '2*30=60'] Exploring Operation: 31+60=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[11, 19, 2, 31], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [11, 2, 12] Generated Node #0,0: 91:[11, 2, 12] Operation: 31-19=12 Exploring Operation: 31-11=20, Resulting Numbers: [19, 2, 20] Generated Node #0,1: 91:[19, 2, 20] Operation: 31-11=20 Exploring Operation: 19-11=8, Resulting Numbers: [2, 31, 8] Generated Node #0,2: 91:[2, 31, 8] Operation: 19-11=8 Moving to Node #0,0 Current State: 91:[11, 2, 12], Operations: ['31-19=12'] Exploring Operation: 11+2=13, Resulting Numbers: [12, 13] Generated Node #0,0,0: 91:[12, 13] Operation: 11+2=13 Exploring Operation: 2+12=14, Resulting Numbers: [11, 14] Generated Node #0,0,1: 91:[11, 14] Operation: 2+12=14 Exploring Operation: 11-2=9, Resulting Numbers: [12, 9] Generated Node #0,0,2: 91:[12, 9] Operation: 11-2=9 Moving to Node #0,1 Current State: 91:[19, 2, 20], Operations: ['31-11=20'] Exploring Operation: 19-2=17, Resulting Numbers: [20, 17] Generated Node #0,1,0: 91:[20, 17] Operation: 19-2=17 Exploring Operation: 20-19=1, Resulting Numbers: [2, 1] Generated Node #0,1,1: 91:[2, 1] Operation: 20-19=1 Exploring Operation: 20/2=10, Resulting Numbers: [19, 10] Generated Node #0,1,2: 91:[19, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[19, 10], Operations: ['31-11=20', '20/2=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,91 unequal: No Solution Exploring Operation: 19*10=190, Resulting Numbers: [190] 190,91 unequal: No Solution Exploring Operation: 19+10=29, Resulting Numbers: [29] 29,91 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 #0,1,0 Current State: 91:[20, 17], Operations: ['31-11=20', '19-2=17'] Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,91 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,91 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 #0,1,1 Current State: 91:[2, 1], Operations: ['31-11=20', '20-19=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,91 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: 91:[2, 31, 8], Operations: ['19-11=8'] Exploring Operation: 8-2=6, Resulting Numbers: [31, 6] Generated Node #0,2,0: 91:[31, 6] Operation: 8-2=6 Exploring Operation: 31-8=23, Resulting Numbers: [2, 23] Generated Node #0,2,1: 91:[2, 23] Operation: 31-8=23 Exploring Operation: 31-2=29, Resulting Numbers: [8, 29] Generated Node #0,2,2: 91:[8, 29] Operation: 31-2=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[2, 23], Operations: ['19-11=8', '31-8=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,91 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:[8, 29], Operations: ['19-11=8', '31-2=29'] Exploring Operation: 8*29=232, Resulting Numbers: [232] 232,91 unequal: No Solution Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,91 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:[31, 6], Operations: ['19-11=8', '8-2=6'] Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,91 unequal: No Solution Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,91 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: 91:[12, 13], Operations: ['31-19=12', '11+2=13'] Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,91 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[11, 14], Operations: ['31-19=12', '2+12=14'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,91 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[12, 9], Operations: ['31-19=12', '11-2=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,91 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,91 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 55, 21, 18, 11 ]
92
[ "18-11=7", "21*7=147", "147-55=92" ]
Current State: 92:[55, 21, 18, 11], Operations: [] Exploring Operation: 18-11=7, Resulting Numbers: [55, 21, 7] Generated Node #2: [55, 21, 7] from Operation: 18-11=7 Current State: 92:[55, 21, 7], Operations: ['18-11=7'] Exploring Operation: 21*7=147, Resulting Numbers: [55, 147] Generated Node #3: [55, 147] from Operation: 21*7=147 Current State: 92:[55, 147], Operations: ['18-11=7', '21*7=147'] Exploring Operation: 147-55=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[55, 21, 18, 11], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [21, 18, 44] Generated Node #0,0: 92:[21, 18, 44] Operation: 55-11=44 Exploring Operation: 55/11=5, Resulting Numbers: [21, 18, 5] Generated Node #0,1: 92:[21, 18, 5] Operation: 55/11=5 Exploring Operation: 18-11=7, Resulting Numbers: [55, 21, 7] Generated Node #0,2: 92:[55, 21, 7] Operation: 18-11=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[21, 18, 5], Operations: ['55/11=5'] Exploring Operation: 18*5=90, Resulting Numbers: [21, 90] Generated Node #0,1,0: 92:[21, 90] Operation: 18*5=90 Exploring Operation: 18+5=23, Resulting Numbers: [21, 23] Generated Node #0,1,1: 92:[21, 23] Operation: 18+5=23 Exploring Operation: 21-18=3, Resulting Numbers: [5, 3] Generated Node #0,1,2: 92:[5, 3] Operation: 21-18=3 Moving to Node #0,1,1 Current State: 92:[21, 23], Operations: ['55/11=5', '18+5=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[5, 3], Operations: ['55/11=5', '21-18=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[21, 90], Operations: ['55/11=5', '18*5=90'] Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,92 unequal: No Solution Exploring Operation: 21+90=111, Resulting Numbers: [111] 111,92 unequal: No Solution Exploring Operation: 21*90=1890, Resulting Numbers: [1890] 1890,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[21, 18, 44], Operations: ['55-11=44'] Exploring Operation: 21-18=3, Resulting Numbers: [44, 3] Generated Node #0,0,0: 92:[44, 3] Operation: 21-18=3 Exploring Operation: 44-21=23, Resulting Numbers: [18, 23] Generated Node #0,0,1: 92:[18, 23] Operation: 44-21=23 Exploring Operation: 44-18=26, Resulting Numbers: [21, 26] Generated Node #0,0,2: 92:[21, 26] Operation: 44-18=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[44, 3], Operations: ['55-11=44', '21-18=3'] Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,92 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[18, 23], Operations: ['55-11=44', '44-21=23'] Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,92 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 92:[21, 26], Operations: ['55-11=44', '44-18=26'] Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,92 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[55, 21, 7], Operations: ['18-11=7'] Exploring Operation: 55-7=48, Resulting Numbers: [21, 48] Generated Node #0,2,0: 92:[21, 48] Operation: 55-7=48 Exploring Operation: 21/7=3, Resulting Numbers: [55, 3] Generated Node #0,2,1: 92:[55, 3] Operation: 21/7=3 Exploring Operation: 55-21=34, Resulting Numbers: [7, 34] Generated Node #0,2,2: 92:[7, 34] Operation: 55-21=34 Moving to Node #0,2,0 Current State: 92:[21, 48], Operations: ['18-11=7', '55-7=48'] Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,92 unequal: No Solution Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,92 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[55, 3], Operations: ['18-11=7', '21/7=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[7, 34], Operations: ['18-11=7', '55-21=34'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,92 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, 92, 42, 20 ]
51
[ "92-20=72", "72/8=9", "42+9=51" ]
Current State: 51:[8, 92, 42, 20], Operations: [] Exploring Operation: 92-20=72, Resulting Numbers: [8, 42, 72] Generated Node #2: [8, 42, 72] from Operation: 92-20=72 Current State: 51:[8, 42, 72], Operations: ['92-20=72'] Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #3: [42, 9] from Operation: 72/8=9 Current State: 51:[42, 9], Operations: ['92-20=72', '72/8=9'] Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[8, 92, 42, 20], Operations: [] Exploring Operation: 42-20=22, Resulting Numbers: [8, 92, 22] Generated Node #0,0: 51:[8, 92, 22] Operation: 42-20=22 Exploring Operation: 92-20=72, Resulting Numbers: [8, 42, 72] Generated Node #0,1: 51:[8, 42, 72] Operation: 92-20=72 Exploring Operation: 92-8=84, Resulting Numbers: [42, 20, 84] Generated Node #0,2: 51:[42, 20, 84] Operation: 92-8=84 Exploring Operation: 8+42=50, Resulting Numbers: [92, 20, 50] Generated Node #0,3: 51:[92, 20, 50] Operation: 8+42=50 Exploring Operation: 92-42=50, Resulting Numbers: [8, 20, 50] Generated Node #0,4: 51:[8, 20, 50] Operation: 92-42=50 Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[8, 20, 50], Operations: ['92-42=50'] Exploring Operation: 20-8=12, Resulting Numbers: [50, 12] Generated Node #0,4,0: 51:[50, 12] Operation: 20-8=12 Exploring Operation: 50-20=30, Resulting Numbers: [8, 30] Generated Node #0,4,1: 51:[8, 30] Operation: 50-20=30 Exploring Operation: 8+50=58, Resulting Numbers: [20, 58] Generated Node #0,4,2: 51:[20, 58] Operation: 8+50=58 Exploring Operation: 8+20=28, Resulting Numbers: [50, 28] Generated Node #0,4,3: 51:[50, 28] Operation: 8+20=28 Exploring Operation: 50-8=42, Resulting Numbers: [20, 42] Generated Node #0,4,4: 51:[20, 42] Operation: 50-8=42 Moving to Node #0,4,0 Current State: 51:[50, 12], Operations: ['92-42=50', '20-8=12'] Exploring Operation: 50*12=600, Resulting Numbers: [600] 600,51 unequal: No Solution Exploring Operation: 50+12=62, Resulting Numbers: [62] 62,51 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,4,2 Current State: 51:[20, 58], Operations: ['92-42=50', '8+50=58'] Exploring Operation: 20+58=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 20*58=1160, Resulting Numbers: [1160] 1160,51 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,51 unequal: No Solution Moving to Node #0,4,3 Current State: 51:[50, 28], Operations: ['92-42=50', '8+20=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,51 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,51 unequal: No Solution Moving to Node #0,4,4 Current State: 51:[20, 42], Operations: ['92-42=50', '50-8=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 20*42=840, Resulting Numbers: [840] 840,51 unequal: No Solution Exploring Operation: 20+42=62, Resulting Numbers: [62] 62,51 unequal: No Solution Moving to Node #0,4,1 Current State: 51:[8, 30], Operations: ['92-42=50', '50-20=30'] Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,51 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[8, 42, 72], Operations: ['92-20=72'] Exploring Operation: 42-8=34, Resulting Numbers: [72, 34] Generated Node #0,1,0: 51:[72, 34] Operation: 42-8=34 Exploring Operation: 8+42=50, Resulting Numbers: [72, 50] Generated Node #0,1,1: 51:[72, 50] Operation: 8+42=50 Exploring Operation: 72-42=30, Resulting Numbers: [8, 30] Generated Node #0,1,2: 51:[8, 30] Operation: 72-42=30 Exploring Operation: 72-8=64, Resulting Numbers: [42, 64] Generated Node #0,1,3: 51:[42, 64] Operation: 72-8=64 Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #0,1,4: 51:[42, 9] Operation: 72/8=9 Moving to Node #0,1,4 Current State: 51:[42, 9], Operations: ['92-20=72', '72/8=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[8, 92, 42, 20], Operations: [] Exploring Operation: 92-20=72, Resulting Numbers: [8, 42, 72] Generated Node #0,1: 51:[8, 42, 72] Operation: 92-20=72 Moving to Node #0,1 Current State: 51:[8, 42, 72], Operations: ['92-20=72'] Exploring Operation: 72/8=9, Resulting Numbers: [42, 9] Generated Node #0,1,4: 51:[42, 9] Operation: 72/8=9 Moving to Node #0,1,4 Current State: 51:[42, 9], Operations: ['92-20=72', '72/8=9'] Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 24, 18, 50, 36 ]
57
[ "50*36=1800", "1800/24=75", "75-18=57" ]
Current State: 57:[24, 18, 50, 36], Operations: [] Exploring Operation: 50*36=1800, Resulting Numbers: [24, 18, 1800] Generated Node #2: [24, 18, 1800] from Operation: 50*36=1800 Current State: 57:[24, 18, 1800], Operations: ['50*36=1800'] Exploring Operation: 1800/24=75, Resulting Numbers: [18, 75] Generated Node #3: [18, 75] from Operation: 1800/24=75 Current State: 57:[18, 75], Operations: ['50*36=1800', '1800/24=75'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[24, 18, 50, 36], Operations: [] Exploring Operation: 24+36=60, Resulting Numbers: [18, 50, 60] Generated Node #0,0: 57:[18, 50, 60] Operation: 24+36=60 Exploring Operation: 50-36=14, Resulting Numbers: [24, 18, 14] Generated Node #0,1: 57:[24, 18, 14] Operation: 50-36=14 Moving to Node #0,0 Current State: 57:[18, 50, 60], Operations: ['24+36=60'] Exploring Operation: 60-50=10, Resulting Numbers: [18, 10] Generated Node #0,0,0: 57:[18, 10] Operation: 60-50=10 Exploring Operation: 18+50=68, Resulting Numbers: [60, 68] Generated Node #0,0,1: 57:[60, 68] Operation: 18+50=68 Moving to Node #0,1 Current State: 57:[24, 18, 14], Operations: ['50-36=14'] Exploring Operation: 24-18=6, Resulting Numbers: [14, 6] Generated Node #0,1,0: 57:[14, 6] Operation: 24-18=6 Exploring Operation: 18-14=4, Resulting Numbers: [24, 4] Generated Node #0,1,1: 57:[24, 4] Operation: 18-14=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[24, 4], Operations: ['50-36=14', '18-14=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,57 unequal: No Solution Exploring Operation: 24/4=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 #0,1,0 Current State: 57:[14, 6], Operations: ['50-36=14', '24-18=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,57 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: 57:[18, 10], Operations: ['24+36=60', '60-50=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,57 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[60, 68], Operations: ['24+36=60', '18+50=68'] Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,57 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 43, 78, 49, 32 ]
40
[ "43+78=121", "49+32=81", "121-81=40" ]
Current State: 40:[43, 78, 49, 32], Operations: [] Exploring Operation: 43+78=121, Resulting Numbers: [49, 32, 121] Generated Node #2: [49, 32, 121] from Operation: 43+78=121 Current State: 40:[49, 32, 121], Operations: ['43+78=121'] Exploring Operation: 49+32=81, Resulting Numbers: [121, 81] Generated Node #3: [121, 81] from Operation: 49+32=81 Current State: 40:[121, 81], Operations: ['43+78=121', '49+32=81'] Exploring Operation: 121-81=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[43, 78, 49, 32], Operations: [] Exploring Operation: 78-49=29, Resulting Numbers: [43, 32, 29] Generated Node #0,0: 40:[43, 32, 29] Operation: 78-49=29 Exploring Operation: 78-43=35, Resulting Numbers: [49, 32, 35] Generated Node #0,1: 40:[49, 32, 35] Operation: 78-43=35 Exploring Operation: 78-32=46, Resulting Numbers: [43, 49, 46] Generated Node #0,2: 40:[43, 49, 46] Operation: 78-32=46 Exploring Operation: 49-32=17, Resulting Numbers: [43, 78, 17] Generated Node #0,3: 40:[43, 78, 17] Operation: 49-32=17 Exploring Operation: 49-43=6, Resulting Numbers: [78, 32, 6] Generated Node #0,4: 40:[78, 32, 6] Operation: 49-43=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[43, 49, 46], Operations: ['78-32=46'] Exploring Operation: 43+46=89, Resulting Numbers: [49, 89] Generated Node #0,2,0: 40:[49, 89] Operation: 43+46=89 Exploring Operation: 46-43=3, Resulting Numbers: [49, 3] Generated Node #0,2,1: 40:[49, 3] Operation: 46-43=3 Exploring Operation: 43+49=92, Resulting Numbers: [46, 92] Generated Node #0,2,2: 40:[46, 92] Operation: 43+49=92 Exploring Operation: 49-43=6, Resulting Numbers: [46, 6] Generated Node #0,2,3: 40:[46, 6] Operation: 49-43=6 Exploring Operation: 49-46=3, Resulting Numbers: [43, 3] Generated Node #0,2,4: 40:[43, 3] Operation: 49-46=3 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 40:[43, 3], Operations: ['78-32=46', '49-46=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,40 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[43, 78, 49, 32], Operations: [] Exploring Operation: 78-32=46, Resulting Numbers: [43, 49, 46] Generated Node #0,2: 40:[43, 49, 46] Operation: 78-32=46 Moving to Node #0,2 Current State: 40:[43, 49, 46], Operations: ['78-32=46'] Exploring Operation: 49-46=3, Resulting Numbers: [43, 3] Generated Node #0,2,4: 40:[43, 3] Operation: 49-46=3 Moving to Node #0,2,4 Current State: 40:[43, 3], Operations: ['78-32=46', '49-46=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 47, 41, 78, 30 ]
20
[ "47+41=88", "78+30=108", "108-88=20" ]
Current State: 20:[47, 41, 78, 30], Operations: [] Exploring Operation: 47+41=88, Resulting Numbers: [78, 30, 88] Generated Node #2: [78, 30, 88] from Operation: 47+41=88 Current State: 20:[78, 30, 88], Operations: ['47+41=88'] Exploring Operation: 78+30=108, Resulting Numbers: [88, 108] Generated Node #3: [88, 108] from Operation: 78+30=108 Current State: 20:[88, 108], Operations: ['47+41=88', '78+30=108'] Exploring Operation: 108-88=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[47, 41, 78, 30], Operations: [] Exploring Operation: 47-41=6, Resulting Numbers: [78, 30, 6] Generated Node #0,0: 20:[78, 30, 6] Operation: 47-41=6 Exploring Operation: 78-47=31, Resulting Numbers: [41, 30, 31] Generated Node #0,1: 20:[41, 30, 31] Operation: 78-47=31 Exploring Operation: 78-41=37, Resulting Numbers: [47, 30, 37] Generated Node #0,2: 20:[47, 30, 37] Operation: 78-41=37 Moving to Node #0,1 Current State: 20:[41, 30, 31], Operations: ['78-47=31'] Exploring Operation: 41-31=10, Resulting Numbers: [30, 10] Generated Node #0,1,0: 20:[30, 10] Operation: 41-31=10 Exploring Operation: 41-30=11, Resulting Numbers: [31, 11] Generated Node #0,1,1: 20:[31, 11] Operation: 41-30=11 Exploring Operation: 31-30=1, Resulting Numbers: [41, 1] Generated Node #0,1,2: 20:[41, 1] Operation: 31-30=1 Moving to Node #0,2 Current State: 20:[47, 30, 37], Operations: ['78-41=37'] Exploring Operation: 47-30=17, Resulting Numbers: [37, 17] Generated Node #0,2,0: 20:[37, 17] Operation: 47-30=17 Exploring Operation: 37-30=7, Resulting Numbers: [47, 7] Generated Node #0,2,1: 20:[47, 7] Operation: 37-30=7 Exploring Operation: 47-37=10, Resulting Numbers: [30, 10] Generated Node #0,2,2: 20:[30, 10] Operation: 47-37=10 Moving to Node #0,0 Current State: 20:[78, 30, 6], Operations: ['47-41=6'] Exploring Operation: 78-30=48, Resulting Numbers: [6, 48] Generated Node #0,0,0: 20:[6, 48] Operation: 78-30=48 Exploring Operation: 78/6=13, Resulting Numbers: [30, 13] Generated Node #0,0,1: 20:[30, 13] Operation: 78/6=13 Exploring Operation: 30/6=5, Resulting Numbers: [78, 5] Generated Node #0,0,2: 20:[78, 5] Operation: 30/6=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[30, 13], Operations: ['47-41=6', '78/6=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,20 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[6, 48], Operations: ['47-41=6', '78-30=48'] Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,20 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[78, 5], Operations: ['47-41=6', '30/6=5'] Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,20 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,20 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: 20:[30, 10], Operations: ['78-47=31', '41-31=10'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[47, 41, 78, 30], Operations: [] Exploring Operation: 78-47=31, Resulting Numbers: [41, 30, 31] Generated Node #0,1: 20:[41, 30, 31] Operation: 78-47=31 Moving to Node #0,1 Current State: 20:[41, 30, 31], Operations: ['78-47=31'] Exploring Operation: 41-31=10, Resulting Numbers: [30, 10] Generated Node #0,1,0: 20:[30, 10] Operation: 41-31=10 Moving to Node #0,1,0 Current State: 20:[30, 10], Operations: ['78-47=31', '41-31=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 29, 42, 77, 12 ]
52
[ "42-29=13", "77-12=65", "65-13=52" ]
Current State: 52:[29, 42, 77, 12], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [77, 12, 13] Generated Node #2: [77, 12, 13] from Operation: 42-29=13 Current State: 52:[77, 12, 13], Operations: ['42-29=13'] Exploring Operation: 77-12=65, Resulting Numbers: [13, 65] Generated Node #3: [13, 65] from Operation: 77-12=65 Current State: 52:[13, 65], Operations: ['42-29=13', '77-12=65'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[29, 42, 77, 12], Operations: [] Exploring Operation: 42+12=54, Resulting Numbers: [29, 77, 54] Generated Node #0,0: 52:[29, 77, 54] Operation: 42+12=54 Exploring Operation: 77-29=48, Resulting Numbers: [42, 12, 48] Generated Node #0,1: 52:[42, 12, 48] Operation: 77-29=48 Exploring Operation: 77-42=35, Resulting Numbers: [29, 12, 35] Generated Node #0,2: 52:[29, 12, 35] Operation: 77-42=35 Exploring Operation: 42-29=13, Resulting Numbers: [77, 12, 13] Generated Node #0,3: 52:[77, 12, 13] Operation: 42-29=13 Exploring Operation: 77-12=65, Resulting Numbers: [29, 42, 65] Generated Node #0,4: 52:[29, 42, 65] Operation: 77-12=65 Moving to Node #0,2 Current State: 52:[29, 12, 35], Operations: ['77-42=35'] Exploring Operation: 29+35=64, Resulting Numbers: [12, 64] Generated Node #0,2,0: 52:[12, 64] Operation: 29+35=64 Exploring Operation: 29-12=17, Resulting Numbers: [35, 17] Generated Node #0,2,1: 52:[35, 17] Operation: 29-12=17 Exploring Operation: 35-12=23, Resulting Numbers: [29, 23] Generated Node #0,2,2: 52:[29, 23] Operation: 35-12=23 Exploring Operation: 12+35=47, Resulting Numbers: [29, 47] Generated Node #0,2,3: 52:[29, 47] Operation: 12+35=47 Exploring Operation: 35-29=6, Resulting Numbers: [12, 6] Generated Node #0,2,4: 52:[12, 6] Operation: 35-29=6 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[12, 6], Operations: ['77-42=35', '35-29=6'] Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[29, 23], Operations: ['77-42=35', '35-12=23'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,52 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[29, 42, 77, 12], Operations: [] Exploring Operation: 77-42=35, Resulting Numbers: [29, 12, 35] Generated Node #0,2: 52:[29, 12, 35] Operation: 77-42=35 Moving to Node #0,2 Current State: 52:[29, 12, 35], Operations: ['77-42=35'] Exploring Operation: 35-12=23, Resulting Numbers: [29, 23] Generated Node #0,2,2: 52:[29, 23] Operation: 35-12=23 Moving to Node #0,2,2 Current State: 52:[29, 23], Operations: ['77-42=35', '35-12=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 39, 13, 96, 14 ]
84
[ "39-13=26", "96+14=110", "110-26=84" ]
Current State: 84:[39, 13, 96, 14], Operations: [] Exploring Operation: 39-13=26, Resulting Numbers: [96, 14, 26] Generated Node #2: [96, 14, 26] from Operation: 39-13=26 Current State: 84:[96, 14, 26], Operations: ['39-13=26'] Exploring Operation: 96+14=110, Resulting Numbers: [26, 110] Generated Node #3: [26, 110] from Operation: 96+14=110 Current State: 84:[26, 110], Operations: ['39-13=26', '96+14=110'] Exploring Operation: 110-26=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[39, 13, 96, 14], Operations: [] Exploring Operation: 96-13=83, Resulting Numbers: [39, 14, 83] Generated Node #0,0: 84:[39, 14, 83] Operation: 96-13=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[39, 14, 83], Operations: ['96-13=83'] Exploring Operation: 83-39=44, Resulting Numbers: [14, 44] Generated Node #0,0,0: 84:[14, 44] Operation: 83-39=44 Moving to Node #0,0,0 Current State: 84:[14, 44], Operations: ['96-13=83', '83-39=44'] Exploring Operation: 44-14=30, Resulting Numbers: [30] 30,84 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
[ 30, 2, 40, 48 ]
68
[ "30*2=60", "48-40=8", "60+8=68" ]
Current State: 68:[30, 2, 40, 48], Operations: [] Exploring Operation: 30*2=60, Resulting Numbers: [40, 48, 60] Generated Node #2: [40, 48, 60] from Operation: 30*2=60 Current State: 68:[40, 48, 60], Operations: ['30*2=60'] Exploring Operation: 48-40=8, Resulting Numbers: [60, 8] Generated Node #3: [60, 8] from Operation: 48-40=8 Current State: 68:[60, 8], Operations: ['30*2=60', '48-40=8'] Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[30, 2, 40, 48], Operations: [] Exploring Operation: 48-30=18, Resulting Numbers: [2, 40, 18] Generated Node #0,0: 68:[2, 40, 18] Operation: 48-30=18 Exploring Operation: 30+40=70, Resulting Numbers: [2, 48, 70] Generated Node #0,1: 68:[2, 48, 70] Operation: 30+40=70 Exploring Operation: 48-40=8, Resulting Numbers: [30, 2, 8] Generated Node #0,2: 68:[30, 2, 8] Operation: 48-40=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[2, 40, 18], Operations: ['48-30=18'] Exploring Operation: 40-2=38, Resulting Numbers: [18, 38] Generated Node #0,0,0: 68:[18, 38] Operation: 40-2=38 Exploring Operation: 40-18=22, Resulting Numbers: [2, 22] Generated Node #0,0,1: 68:[2, 22] Operation: 40-18=22 Exploring Operation: 40/2=20, Resulting Numbers: [18, 20] Generated Node #0,0,2: 68:[18, 20] Operation: 40/2=20 Moving to Node #0,0,2 Current State: 68:[18, 20], Operations: ['48-30=18', '40/2=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,68 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,68 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[18, 38], Operations: ['48-30=18', '40-2=38'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[2, 22], Operations: ['48-30=18', '40-18=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[30, 2, 8], Operations: ['48-40=8'] Exploring Operation: 30-8=22, Resulting Numbers: [2, 22] Generated Node #0,2,0: 68:[2, 22] Operation: 30-8=22 Exploring Operation: 30+8=38, Resulting Numbers: [2, 38] Generated Node #0,2,1: 68:[2, 38] Operation: 30+8=38 Exploring Operation: 8/2=4, Resulting Numbers: [30, 4] Generated Node #0,2,2: 68:[30, 4] Operation: 8/2=4 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 68:[2, 38], Operations: ['48-40=8', '30+8=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,68 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 68:[30, 4], Operations: ['48-40=8', '8/2=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 68:[2, 22], Operations: ['48-40=8', '30-8=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[2, 48, 70], Operations: ['30+40=70'] Exploring Operation: 70-48=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 68:[2, 22] Operation: 70-48=22 Exploring Operation: 48-2=46, Resulting Numbers: [70, 46] Generated Node #0,1,1: 68:[70, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [70, 24] Generated Node #0,1,2: 68:[70, 24] Operation: 48/2=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[2, 22], Operations: ['30+40=70', '70-48=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,68 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 68:[70, 24], Operations: ['30+40=70', '48/2=24'] Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,68 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[70, 46], Operations: ['30+40=70', '48-2=46'] Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,68 unequal: No Solution Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 11, 17, 49, 66 ]
53
[ "66/11=6", "17*6=102", "102-49=53" ]
Current State: 53:[11, 17, 49, 66], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [17, 49, 6] Generated Node #2: [17, 49, 6] from Operation: 66/11=6 Current State: 53:[17, 49, 6], Operations: ['66/11=6'] Exploring Operation: 17*6=102, Resulting Numbers: [49, 102] Generated Node #3: [49, 102] from Operation: 17*6=102 Current State: 53:[49, 102], Operations: ['66/11=6', '17*6=102'] Exploring Operation: 102-49=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[11, 17, 49, 66], Operations: [] Exploring Operation: 11+17=28, Resulting Numbers: [49, 66, 28] Generated Node #0,0: 53:[49, 66, 28] Operation: 11+17=28 Moving to Node #0,0 Current State: 53:[49, 66, 28], Operations: ['11+17=28'] Exploring Operation: 66-28=38, Resulting Numbers: [49, 38] Generated Node #0,0,0: 53:[49, 38] Operation: 66-28=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[49, 38], Operations: ['11+17=28', '66-28=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,53 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
[ 16, 12, 7, 3 ]
53
[ "16*3=48", "12-7=5", "48+5=53" ]
Current State: 53:[16, 12, 7, 3], Operations: [] Exploring Operation: 16*3=48, Resulting Numbers: [12, 7, 48] Generated Node #2: [12, 7, 48] from Operation: 16*3=48 Current State: 53:[12, 7, 48], Operations: ['16*3=48'] Exploring Operation: 12-7=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 12-7=5 Current State: 53:[48, 5], Operations: ['16*3=48', '12-7=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[16, 12, 7, 3], Operations: [] Exploring Operation: 12*3=36, Resulting Numbers: [16, 7, 36] Generated Node #0,0: 53:[16, 7, 36] Operation: 12*3=36 Exploring Operation: 7*3=21, Resulting Numbers: [16, 12, 21] Generated Node #0,1: 53:[16, 12, 21] Operation: 7*3=21 Exploring Operation: 16*3=48, Resulting Numbers: [12, 7, 48] Generated Node #0,2: 53:[12, 7, 48] Operation: 16*3=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[12, 7, 48], Operations: ['16*3=48'] Exploring Operation: 7+48=55, Resulting Numbers: [12, 55] Generated Node #0,2,0: 53:[12, 55] Operation: 7+48=55 Exploring Operation: 12+7=19, Resulting Numbers: [48, 19] Generated Node #0,2,1: 53:[48, 19] Operation: 12+7=19 Exploring Operation: 12*7=84, Resulting Numbers: [48, 84] Generated Node #0,2,2: 53:[48, 84] Operation: 12*7=84 Moving to Node #0,2,2 Current State: 53:[48, 84], Operations: ['16*3=48', '12*7=84'] Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 48+84=132, Resulting Numbers: [132] 132,53 unequal: No Solution Exploring Operation: 48*84=4032, Resulting Numbers: [4032] 4032,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[48, 19], Operations: ['16*3=48', '12+7=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[12, 55], Operations: ['16*3=48', '7+48=55'] Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,53 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[16, 7, 36], Operations: ['12*3=36'] Exploring Operation: 16+7=23, Resulting Numbers: [36, 23] Generated Node #0,0,0: 53:[36, 23] Operation: 16+7=23 Exploring Operation: 7+36=43, Resulting Numbers: [16, 43] Generated Node #0,0,1: 53:[16, 43] Operation: 7+36=43 Exploring Operation: 16+36=52, Resulting Numbers: [7, 52] Generated Node #0,0,2: 53:[7, 52] Operation: 16+36=52 Moving to Node #0,0,0 Current State: 53:[36, 23], Operations: ['12*3=36', '16+7=23'] Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,53 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[16, 43], Operations: ['12*3=36', '7+36=43'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 16+43=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 16*43=688, Resulting Numbers: [688] 688,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[7, 52], Operations: ['12*3=36', '16+36=52'] Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,53 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[16, 12, 21], Operations: ['7*3=21'] Exploring Operation: 16+12=28, Resulting Numbers: [21, 28] Generated Node #0,1,0: 53:[21, 28] Operation: 16+12=28 Exploring Operation: 16+21=37, Resulting Numbers: [12, 37] Generated Node #0,1,1: 53:[12, 37] Operation: 16+21=37 Exploring Operation: 12+21=33, Resulting Numbers: [16, 33] Generated Node #0,1,2: 53:[16, 33] Operation: 12+21=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[21, 28], Operations: ['7*3=21', '16+12=28'] Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[12, 37], Operations: ['7*3=21', '16+21=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,53 unequal: No Solution Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[16, 33], Operations: ['7*3=21', '12+21=33'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,53 unequal: No Solution Exploring Operation: 16+33=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 16*33=528, Resulting Numbers: [528] 528,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 2, 84, 75, 32 ]
49
[ "84-32=52", "52/2=26", "75-26=49" ]
Current State: 49:[2, 84, 75, 32], Operations: [] Exploring Operation: 84-32=52, Resulting Numbers: [2, 75, 52] Generated Node #2: [2, 75, 52] from Operation: 84-32=52 Current State: 49:[2, 75, 52], Operations: ['84-32=52'] Exploring Operation: 52/2=26, Resulting Numbers: [75, 26] Generated Node #3: [75, 26] from Operation: 52/2=26 Current State: 49:[75, 26], Operations: ['84-32=52', '52/2=26'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[2, 84, 75, 32], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [75, 32, 42] Generated Node #0,0: 49:[75, 32, 42] Operation: 84/2=42 Exploring Operation: 75-32=43, Resulting Numbers: [2, 84, 43] Generated Node #0,1: 49:[2, 84, 43] Operation: 75-32=43 Exploring Operation: 84-75=9, Resulting Numbers: [2, 32, 9] Generated Node #0,2: 49:[2, 32, 9] Operation: 84-75=9 Exploring Operation: 84-32=52, Resulting Numbers: [2, 75, 52] Generated Node #0,3: 49:[2, 75, 52] Operation: 84-32=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[2, 32, 9], Operations: ['84-75=9'] Exploring Operation: 32/2=16, Resulting Numbers: [9, 16] Generated Node #0,2,0: 49:[9, 16] Operation: 32/2=16 Exploring Operation: 2+32=34, Resulting Numbers: [9, 34] Generated Node #0,2,1: 49:[9, 34] Operation: 2+32=34 Exploring Operation: 2*32=64, Resulting Numbers: [9, 64] Generated Node #0,2,2: 49:[9, 64] Operation: 2*32=64 Exploring Operation: 32+9=41, Resulting Numbers: [2, 41] Generated Node #0,2,3: 49:[2, 41] Operation: 32+9=41 Moving to Node #0,2,0 Current State: 49:[9, 16], Operations: ['84-75=9', '32/2=16'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[2, 41], Operations: ['84-75=9', '32+9=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[9, 64], Operations: ['84-75=9', '2*32=64'] Exploring Operation: 9*64=576, Resulting Numbers: [576] 576,49 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 9+64=73, Resulting Numbers: [73] 73,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[9, 34], Operations: ['84-75=9', '2+32=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,49 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[2, 75, 52], Operations: ['84-32=52'] Exploring Operation: 52-2=50, Resulting Numbers: [75, 50] Generated Node #0,3,0: 49:[75, 50] Operation: 52-2=50 Exploring Operation: 75-52=23, Resulting Numbers: [2, 23] Generated Node #0,3,1: 49:[2, 23] Operation: 75-52=23 Exploring Operation: 2+75=77, Resulting Numbers: [52, 77] Generated Node #0,3,2: 49:[52, 77] Operation: 2+75=77 Exploring Operation: 75-2=73, Resulting Numbers: [52, 73] Generated Node #0,3,3: 49:[52, 73] Operation: 75-2=73 Moving to Node #0,3,1 Current State: 49:[2, 23], Operations: ['84-32=52', '75-52=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[52, 73], Operations: ['84-32=52', '75-2=73'] Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 52+73=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 52*73=3796, Resulting Numbers: [3796] 3796,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[75, 50], Operations: ['84-32=52', '52-2=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,49 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[52, 77], Operations: ['84-32=52', '2+75=77'] Exploring Operation: 52*77=4004, Resulting Numbers: [4004] 4004,49 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 52+77=129, Resulting Numbers: [129] 129,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[2, 84, 43], Operations: ['75-32=43'] Exploring Operation: 84-2=82, Resulting Numbers: [43, 82] Generated Node #0,1,0: 49:[43, 82] Operation: 84-2=82 Exploring Operation: 84-43=41, Resulting Numbers: [2, 41] Generated Node #0,1,1: 49:[2, 41] Operation: 84-43=41 Exploring Operation: 2+43=45, Resulting Numbers: [84, 45] Generated Node #0,1,2: 49:[84, 45] Operation: 2+43=45 Exploring Operation: 84/2=42, Resulting Numbers: [43, 42] Generated Node #0,1,3: 49:[43, 42] Operation: 84/2=42 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[2, 41], Operations: ['75-32=43', '84-43=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,49 unequal: No Solution No 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: 49:[43, 42], Operations: ['75-32=43', '84/2=42'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 43+42=85, Resulting Numbers: [85] 85,49 unequal: No Solution Exploring Operation: 43*42=1806, Resulting Numbers: [1806] 1806,49 unequal: No Solution No 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: 49:[43, 82], Operations: ['75-32=43', '84-2=82'] Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,49 unequal: No Solution No 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: 49:[84, 45], Operations: ['75-32=43', '2+43=45'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 84+45=129, Resulting Numbers: [129] 129,49 unequal: No Solution Exploring Operation: 84*45=3780, Resulting Numbers: [3780] 3780,49 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: 49:[75, 32, 42], Operations: ['84/2=42'] Exploring Operation: 32+42=74, Resulting Numbers: [75, 74] Generated Node #0,0,0: 49:[75, 74] Operation: 32+42=74 Exploring Operation: 75-42=33, Resulting Numbers: [32, 33] Generated Node #0,0,1: 49:[32, 33] Operation: 75-42=33 Exploring Operation: 75-32=43, Resulting Numbers: [42, 43] Generated Node #0,0,2: 49:[42, 43] Operation: 75-32=43 Exploring Operation: 42-32=10, Resulting Numbers: [75, 10] Generated Node #0,0,3: 49:[75, 10] Operation: 42-32=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[42, 43], Operations: ['84/2=42', '75-32=43'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,49 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,49 unequal: No Solution No 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: 49:[75, 10], Operations: ['84/2=42', '42-32=10'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,49 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,49 unequal: No Solution No 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: 49:[32, 33], Operations: ['84/2=42', '75-42=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,49 unequal: No Solution No 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: 49:[75, 74], Operations: ['84/2=42', '32+42=74'] Exploring Operation: 75-74=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 75*74=5550, Resulting Numbers: [5550] 5550,49 unequal: No Solution Exploring Operation: 75+74=149, Resulting Numbers: [149] 149,49 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
[ 63, 14, 80, 51 ]
54
[ "63+14=77", "80+51=131", "131-77=54" ]
Current State: 54:[63, 14, 80, 51], Operations: [] Exploring Operation: 63+14=77, Resulting Numbers: [80, 51, 77] Generated Node #2: [80, 51, 77] from Operation: 63+14=77 Current State: 54:[80, 51, 77], Operations: ['63+14=77'] Exploring Operation: 80+51=131, Resulting Numbers: [77, 131] Generated Node #3: [77, 131] from Operation: 80+51=131 Current State: 54:[77, 131], Operations: ['63+14=77', '80+51=131'] Exploring Operation: 131-77=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[63, 14, 80, 51], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [63, 14, 29] Generated Node #0,0: 54:[63, 14, 29] Operation: 80-51=29 Exploring Operation: 63-51=12, Resulting Numbers: [14, 80, 12] Generated Node #0,1: 54:[14, 80, 12] Operation: 63-51=12 Exploring Operation: 80-63=17, Resulting Numbers: [14, 51, 17] Generated Node #0,2: 54:[14, 51, 17] Operation: 80-63=17 Exploring Operation: 80-14=66, Resulting Numbers: [63, 51, 66] Generated Node #0,3: 54:[63, 51, 66] Operation: 80-14=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[14, 51, 17], Operations: ['80-63=17'] Exploring Operation: 51/17=3, Resulting Numbers: [14, 3] Generated Node #0,2,0: 54:[14, 3] Operation: 51/17=3 Exploring Operation: 14+17=31, Resulting Numbers: [51, 31] Generated Node #0,2,1: 54:[51, 31] Operation: 14+17=31 Exploring Operation: 17-14=3, Resulting Numbers: [51, 3] Generated Node #0,2,2: 54:[51, 3] Operation: 17-14=3 Exploring Operation: 51-14=37, Resulting Numbers: [17, 37] Generated Node #0,2,3: 54:[17, 37] Operation: 51-14=37 Moving to Node #0,2,2 Current State: 54:[51, 3], Operations: ['80-63=17', '17-14=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,54 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[63, 14, 80, 51], Operations: [] Exploring Operation: 80-63=17, Resulting Numbers: [14, 51, 17] Generated Node #0,2: 54:[14, 51, 17] Operation: 80-63=17 Moving to Node #0,2 Current State: 54:[14, 51, 17], Operations: ['80-63=17'] Exploring Operation: 17-14=3, Resulting Numbers: [51, 3] Generated Node #0,2,2: 54:[51, 3] Operation: 17-14=3 Moving to Node #0,2,2 Current State: 54:[51, 3], Operations: ['80-63=17', '17-14=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 63, 63, 57, 38 ]
95
[ "63-63=0", "57+38=95", "0+95=95" ]
Current State: 95:[63, 63, 57, 38], Operations: [] Exploring Operation: 63-63=0, Resulting Numbers: [57, 38, 0] Generated Node #2: [57, 38, 0] from Operation: 63-63=0 Current State: 95:[57, 38, 0], Operations: ['63-63=0'] Exploring Operation: 57+38=95, Resulting Numbers: [0, 95] Generated Node #3: [0, 95] from Operation: 57+38=95 Current State: 95:[0, 95], Operations: ['63-63=0', '57+38=95'] Exploring Operation: 0+95=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[63, 63, 57, 38], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [63, 38, 6] Generated Node #0,0: 95:[63, 38, 6] Operation: 63-57=6 Exploring Operation: 63-63=0, Resulting Numbers: [57, 38, 0] Generated Node #0,1: 95:[57, 38, 0] Operation: 63-63=0 Exploring Operation: 63-57=6, Resulting Numbers: [63, 38, 6] Generated Node #0,2: 95:[63, 38, 6] Operation: 63-57=6 Exploring Operation: 63/63=1, Resulting Numbers: [57, 38, 1] Generated Node #0,3: 95:[57, 38, 1] Operation: 63/63=1 Exploring Operation: 57+38=95, Resulting Numbers: [63, 63, 95] Generated Node #0,4: 95:[63, 63, 95] Operation: 57+38=95 Moving to Node #0,0 Current State: 95:[63, 38, 6], Operations: ['63-57=6'] Exploring Operation: 38-6=32, Resulting Numbers: [63, 32] Generated Node #0,0,0: 95:[63, 32] Operation: 38-6=32 Exploring Operation: 63+38=101, Resulting Numbers: [6, 101] Generated Node #0,0,1: 95:[6, 101] Operation: 63+38=101 Exploring Operation: 63+6=69, Resulting Numbers: [38, 69] Generated Node #0,0,2: 95:[38, 69] Operation: 63+6=69 Exploring Operation: 63-38=25, Resulting Numbers: [6, 25] Generated Node #0,0,3: 95:[6, 25] Operation: 63-38=25 Exploring Operation: 63-6=57, Resulting Numbers: [38, 57] Generated Node #0,0,4: 95:[38, 57] Operation: 63-6=57 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[6, 101], Operations: ['63-57=6', '63+38=101'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[63, 63, 57, 38], Operations: [] Exploring Operation: 63-57=6, Resulting Numbers: [63, 38, 6] Generated Node #0,0: 95:[63, 38, 6] Operation: 63-57=6 Moving to Node #0,0 Current State: 95:[63, 38, 6], Operations: ['63-57=6'] Exploring Operation: 63+38=101, Resulting Numbers: [6, 101] Generated Node #0,0,1: 95:[6, 101] Operation: 63+38=101 Moving to Node #0,0,1 Current State: 95:[6, 101], Operations: ['63-57=6', '63+38=101'] Exploring Operation: 101-6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 66, 27, 1, 43 ]
81
[ "66-27=39", "43-1=42", "39+42=81" ]
Current State: 81:[66, 27, 1, 43], Operations: [] Exploring Operation: 66-27=39, Resulting Numbers: [1, 43, 39] Generated Node #2: [1, 43, 39] from Operation: 66-27=39 Current State: 81:[1, 43, 39], Operations: ['66-27=39'] Exploring Operation: 43-1=42, Resulting Numbers: [39, 42] Generated Node #3: [39, 42] from Operation: 43-1=42 Current State: 81:[39, 42], Operations: ['66-27=39', '43-1=42'] Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[66, 27, 1, 43], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [66, 1, 16] Generated Node #0,0: 81:[66, 1, 16] Operation: 43-27=16 Exploring Operation: 66-43=23, Resulting Numbers: [27, 1, 23] Generated Node #0,1: 81:[27, 1, 23] Operation: 66-43=23 Exploring Operation: 66-27=39, Resulting Numbers: [1, 43, 39] Generated Node #0,2: 81:[1, 43, 39] Operation: 66-27=39 Exploring Operation: 66+27=93, Resulting Numbers: [1, 43, 93] Generated Node #0,3: 81:[1, 43, 93] Operation: 66+27=93 Exploring Operation: 27+43=70, Resulting Numbers: [66, 1, 70] Generated Node #0,4: 81:[66, 1, 70] Operation: 27+43=70 Moving to Node #0,1 Current State: 81:[27, 1, 23], Operations: ['66-43=23'] Exploring Operation: 1+23=24, Resulting Numbers: [27, 24] Generated Node #0,1,0: 81:[27, 24] Operation: 1+23=24 Exploring Operation: 27*1=27, Resulting Numbers: [23, 27] Generated Node #0,1,1: 81:[23, 27] Operation: 27*1=27 Exploring Operation: 27/1=27, Resulting Numbers: [23, 27] Generated Node #0,1,2: 81:[23, 27] Operation: 27/1=27 Exploring Operation: 1*23=23, Resulting Numbers: [27, 23] Generated Node #0,1,3: 81:[27, 23] Operation: 1*23=23 Exploring Operation: 27-23=4, Resulting Numbers: [1, 4] Generated Node #0,1,4: 81:[1, 4] Operation: 27-23=4 Moving to Node #0,0 Current State: 81:[66, 1, 16], Operations: ['43-27=16'] Exploring Operation: 16-1=15, Resulting Numbers: [66, 15] Generated Node #0,0,0: 81:[66, 15] Operation: 16-1=15 Exploring Operation: 66+16=82, Resulting Numbers: [1, 82] Generated Node #0,0,1: 81:[1, 82] Operation: 66+16=82 Exploring Operation: 66/1=66, Resulting Numbers: [16, 66] Generated Node #0,0,2: 81:[16, 66] Operation: 66/1=66 Exploring Operation: 66*1=66, Resulting Numbers: [16, 66] Generated Node #0,0,3: 81:[16, 66] Operation: 66*1=66 Exploring Operation: 66+1=67, Resulting Numbers: [16, 67] Generated Node #0,0,4: 81:[16, 67] Operation: 66+1=67 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[1, 82], Operations: ['43-27=16', '66+16=82'] Exploring Operation: 1+82=83, Resulting Numbers: [83] 83,81 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,81 unequal: No Solution Exploring Operation: 1*82=82, Resulting Numbers: [82] 82,81 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[66, 27, 1, 43], Operations: [] Exploring Operation: 43-27=16, Resulting Numbers: [66, 1, 16] Generated Node #0,0: 81:[66, 1, 16] Operation: 43-27=16 Moving to Node #0,0 Current State: 81:[66, 1, 16], Operations: ['43-27=16'] Exploring Operation: 66+16=82, Resulting Numbers: [1, 82] Generated Node #0,0,1: 81:[1, 82] Operation: 66+16=82 Moving to Node #0,0,1 Current State: 81:[1, 82], Operations: ['43-27=16', '66+16=82'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 8, 90, 2, 63 ]
43
[ "8*2=16", "90-63=27", "16+27=43" ]
Current State: 43:[8, 90, 2, 63], Operations: [] Exploring Operation: 8*2=16, Resulting Numbers: [90, 63, 16] Generated Node #2: [90, 63, 16] from Operation: 8*2=16 Current State: 43:[90, 63, 16], Operations: ['8*2=16'] Exploring Operation: 90-63=27, Resulting Numbers: [16, 27] Generated Node #3: [16, 27] from Operation: 90-63=27 Current State: 43:[16, 27], Operations: ['8*2=16', '90-63=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[8, 90, 2, 63], Operations: [] Exploring Operation: 90-63=27, Resulting Numbers: [8, 2, 27] Generated Node #0,0: 43:[8, 2, 27] Operation: 90-63=27 Exploring Operation: 90/2=45, Resulting Numbers: [8, 63, 45] Generated Node #0,1: 43:[8, 63, 45] Operation: 90/2=45 Exploring Operation: 8*2=16, Resulting Numbers: [90, 63, 16] Generated Node #0,2: 43:[90, 63, 16] Operation: 8*2=16 Exploring Operation: 90-8=82, Resulting Numbers: [2, 63, 82] Generated Node #0,3: 43:[2, 63, 82] Operation: 90-8=82 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[8, 63, 45], Operations: ['90/2=45'] Exploring Operation: 63-8=55, Resulting Numbers: [45, 55] Generated Node #0,1,0: 43:[45, 55] Operation: 63-8=55 Exploring Operation: 45-8=37, Resulting Numbers: [63, 37] Generated Node #0,1,1: 43:[63, 37] Operation: 45-8=37 Exploring Operation: 8+63=71, Resulting Numbers: [45, 71] Generated Node #0,1,2: 43:[45, 71] Operation: 8+63=71 Exploring Operation: 8+45=53, Resulting Numbers: [63, 53] Generated Node #0,1,3: 43:[63, 53] Operation: 8+45=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[45, 55], Operations: ['90/2=45', '63-8=55'] Exploring Operation: 45+55=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 45*55=2475, Resulting Numbers: [2475] 2475,43 unequal: No Solution No 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: 43:[63, 37], Operations: ['90/2=45', '45-8=37'] Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 63+37=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 63*37=2331, Resulting Numbers: [2331] 2331,43 unequal: No Solution No 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: 43:[45, 71], Operations: ['90/2=45', '8+63=71'] Exploring Operation: 45+71=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 45*71=3195, Resulting Numbers: [3195] 3195,43 unequal: No Solution No 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: 43:[63, 53], Operations: ['90/2=45', '8+45=53'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,43 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: 43:[8, 2, 27], Operations: ['90-63=27'] Exploring Operation: 2*27=54, Resulting Numbers: [8, 54] Generated Node #0,0,0: 43:[8, 54] Operation: 2*27=54 Exploring Operation: 8+27=35, Resulting Numbers: [2, 35] Generated Node #0,0,1: 43:[2, 35] Operation: 8+27=35 Exploring Operation: 8+2=10, Resulting Numbers: [27, 10] Generated Node #0,0,2: 43:[27, 10] Operation: 8+2=10 Exploring Operation: 8*2=16, Resulting Numbers: [27, 16] Generated Node #0,0,3: 43:[27, 16] Operation: 8*2=16 Moving to Node #0,0,3 Current State: 43:[27, 16], Operations: ['90-63=27', '8*2=16'] Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,43 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[8, 90, 2, 63], Operations: [] Exploring Operation: 90-63=27, Resulting Numbers: [8, 2, 27] Generated Node #0,0: 43:[8, 2, 27] Operation: 90-63=27 Moving to Node #0,0 Current State: 43:[8, 2, 27], Operations: ['90-63=27'] Exploring Operation: 8*2=16, Resulting Numbers: [27, 16] Generated Node #0,0,3: 43:[27, 16] Operation: 8*2=16 Moving to Node #0,0,3 Current State: 43:[27, 16], Operations: ['90-63=27', '8*2=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 41, 47, 66, 92 ]
69
[ "41+47=88", "66*92=6072", "6072/88=69" ]
Current State: 69:[41, 47, 66, 92], Operations: [] Exploring Operation: 41+47=88, Resulting Numbers: [66, 92, 88] Generated Node #2: [66, 92, 88] from Operation: 41+47=88 Current State: 69:[66, 92, 88], Operations: ['41+47=88'] Exploring Operation: 66*92=6072, Resulting Numbers: [88, 6072] Generated Node #3: [88, 6072] from Operation: 66*92=6072 Current State: 69:[88, 6072], Operations: ['41+47=88', '66*92=6072'] Exploring Operation: 6072/88=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[41, 47, 66, 92], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [41, 66, 45] Generated Node #0,0: 69:[41, 66, 45] Operation: 92-47=45 Exploring Operation: 47-41=6, Resulting Numbers: [66, 92, 6] Generated Node #0,1: 69:[66, 92, 6] Operation: 47-41=6 Exploring Operation: 92-66=26, Resulting Numbers: [41, 47, 26] Generated Node #0,2: 69:[41, 47, 26] Operation: 92-66=26 Exploring Operation: 92-41=51, Resulting Numbers: [47, 66, 51] Generated Node #0,3: 69:[47, 66, 51] Operation: 92-41=51 Exploring Operation: 41+47=88, Resulting Numbers: [66, 92, 88] Generated Node #0,4: 69:[66, 92, 88] Operation: 41+47=88 Moving to Node #0,1 Current State: 69:[66, 92, 6], Operations: ['47-41=6'] Exploring Operation: 92-66=26, Resulting Numbers: [6, 26] Generated Node #0,1,0: 69:[6, 26] Operation: 92-66=26 Exploring Operation: 66+6=72, Resulting Numbers: [92, 72] Generated Node #0,1,1: 69:[92, 72] Operation: 66+6=72 Exploring Operation: 66-6=60, Resulting Numbers: [92, 60] Generated Node #0,1,2: 69:[92, 60] Operation: 66-6=60 Exploring Operation: 66/6=11, Resulting Numbers: [92, 11] Generated Node #0,1,3: 69:[92, 11] Operation: 66/6=11 Exploring Operation: 92-6=86, Resulting Numbers: [66, 86] Generated Node #0,1,4: 69:[66, 86] Operation: 92-6=86 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[6, 26], Operations: ['47-41=6', '92-66=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 69:[66, 86], Operations: ['47-41=6', '92-6=86'] Exploring Operation: 66+86=152, Resulting Numbers: [152] 152,69 unequal: No Solution Exploring Operation: 66*86=5676, Resulting Numbers: [5676] 5676,69 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[92, 72], Operations: ['47-41=6', '66+6=72'] Exploring Operation: 92+72=164, Resulting Numbers: [164] 164,69 unequal: No Solution Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 92*72=6624, Resulting Numbers: [6624] 6624,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 69:[92, 11], Operations: ['47-41=6', '66/6=11'] Exploring Operation: 92+11=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 92*11=1012, Resulting Numbers: [1012] 1012,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[92, 60], Operations: ['47-41=6', '66-6=60'] Exploring Operation: 92*60=5520, Resulting Numbers: [5520] 5520,69 unequal: No Solution Exploring Operation: 92-60=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 92+60=152, Resulting Numbers: [152] 152,69 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: 69:[41, 47, 26], Operations: ['92-66=26'] Exploring Operation: 47-26=21, Resulting Numbers: [41, 21] Generated Node #0,2,0: 69:[41, 21] Operation: 47-26=21 Exploring Operation: 41+47=88, Resulting Numbers: [26, 88] Generated Node #0,2,1: 69:[26, 88] Operation: 41+47=88 Exploring Operation: 47+26=73, Resulting Numbers: [41, 73] Generated Node #0,2,2: 69:[41, 73] Operation: 47+26=73 Exploring Operation: 47-41=6, Resulting Numbers: [26, 6] Generated Node #0,2,3: 69:[26, 6] Operation: 47-41=6 Exploring Operation: 41+26=67, Resulting Numbers: [47, 67] Generated Node #0,2,4: 69:[47, 67] Operation: 41+26=67 Moving to Node #0,0 Current State: 69:[41, 66, 45], Operations: ['92-47=45'] Exploring Operation: 66-45=21, Resulting Numbers: [41, 21] Generated Node #0,0,0: 69:[41, 21] Operation: 66-45=21 Exploring Operation: 41+45=86, Resulting Numbers: [66, 86] Generated Node #0,0,1: 69:[66, 86] Operation: 41+45=86 Exploring Operation: 45-41=4, Resulting Numbers: [66, 4] Generated Node #0,0,2: 69:[66, 4] Operation: 45-41=4 Exploring Operation: 41+66=107, Resulting Numbers: [45, 107] Generated Node #0,0,3: 69:[45, 107] Operation: 41+66=107 Exploring Operation: 66-41=25, Resulting Numbers: [45, 25] Generated Node #0,0,4: 69:[45, 25] Operation: 66-41=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[66, 4], Operations: ['92-47=45', '45-41=4'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[41, 21], Operations: ['92-47=45', '66-45=21'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,69 unequal: No Solution Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[66, 86], Operations: ['92-47=45', '41+45=86'] Exploring Operation: 66*86=5676, Resulting Numbers: [5676] 5676,69 unequal: No Solution Exploring Operation: 86-66=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 66+86=152, Resulting Numbers: [152] 152,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 69:[45, 25], Operations: ['92-47=45', '66-41=25'] Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,69 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[45, 107], Operations: ['92-47=45', '41+66=107'] Exploring Operation: 45+107=152, Resulting Numbers: [152] 152,69 unequal: No Solution Exploring Operation: 107-45=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 45*107=4815, Resulting Numbers: [4815] 4815,69 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: 69:[47, 66, 51], Operations: ['92-41=51'] Exploring Operation: 47+51=98, Resulting Numbers: [66, 98] Generated Node #0,3,0: 69:[66, 98] Operation: 47+51=98 Exploring Operation: 66-51=15, Resulting Numbers: [47, 15] Generated Node #0,3,1: 69:[47, 15] Operation: 66-51=15 Exploring Operation: 66-47=19, Resulting Numbers: [51, 19] Generated Node #0,3,2: 69:[51, 19] Operation: 66-47=19 Exploring Operation: 51-47=4, Resulting Numbers: [66, 4] Generated Node #0,3,3: 69:[66, 4] Operation: 51-47=4 Exploring Operation: 47+66=113, Resulting Numbers: [51, 113] Generated Node #0,3,4: 69:[51, 113] Operation: 47+66=113 Moving to Node #0,4 Current State: 69:[66, 92, 88], Operations: ['41+47=88'] Exploring Operation: 66+88=154, Resulting Numbers: [92, 154] Generated Node #0,4,0: 69:[92, 154] Operation: 66+88=154 Exploring Operation: 92-88=4, Resulting Numbers: [66, 4] Generated Node #0,4,1: 69:[66, 4] Operation: 92-88=4 Exploring Operation: 88-66=22, Resulting Numbers: [92, 22] Generated Node #0,4,2: 69:[92, 22] Operation: 88-66=22 Exploring Operation: 92-66=26, Resulting Numbers: [88, 26] Generated Node #0,4,3: 69:[88, 26] Operation: 92-66=26 Exploring Operation: 66+92=158, Resulting Numbers: [88, 158] Generated Node #0,4,4: 69:[88, 158] Operation: 66+92=158 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 69:[66, 4], Operations: ['41+47=88', '92-88=4'] Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,69 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 69:[88, 26], Operations: ['41+47=88', '92-66=26'] Exploring Operation: 88*26=2288, Resulting Numbers: [2288] 2288,69 unequal: No Solution Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 88+26=114, Resulting Numbers: [114] 114,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 69:[92, 22], Operations: ['41+47=88', '88-66=22'] Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,69 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 69:[92, 154], Operations: ['41+47=88', '66+88=154'] Exploring Operation: 154-92=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 92*154=14168, Resulting Numbers: [14168] 14168,69 unequal: No Solution Exploring Operation: 92+154=246, Resulting Numbers: [246] 246,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 69:[88, 158], Operations: ['41+47=88', '66+92=158'] Exploring Operation: 158-88=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 88*158=13904, Resulting Numbers: [13904] 13904,69 unequal: No Solution Exploring Operation: 88+158=246, Resulting Numbers: [246] 246,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 69:[66, 4], Operations: ['92-41=51', '51-47=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,69 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[26, 6], Operations: ['92-66=26', '47-41=6'] Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,69 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[41, 21], Operations: ['92-66=26', '47-26=21'] Exploring Operation: 41*21=861, Resulting Numbers: [861] 861,69 unequal: No Solution Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[51, 19], Operations: ['92-41=51', '66-47=19'] Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,69 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[26, 88], Operations: ['92-66=26', '41+47=88'] Exploring Operation: 88-26=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 26+88=114, Resulting Numbers: [114] 114,69 unequal: No Solution Exploring Operation: 26*88=2288, Resulting Numbers: [2288] 2288,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[41, 73], Operations: ['92-66=26', '47+26=73'] Exploring Operation: 41*73=2993, Resulting Numbers: [2993] 2993,69 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 41+73=114, Resulting Numbers: [114] 114,69 unequal: No Solution Moving to Node #0,2,4 Current State: 69:[47, 67], Operations: ['92-66=26', '41+26=67'] Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,69 unequal: No Solution Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,69 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[47, 15], Operations: ['92-41=51', '66-51=15'] Exploring Operation: 47*15=705, Resulting Numbers: [705] 705,69 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,69 unequal: No Solution Exploring Operation: 47+15=62, Resulting Numbers: [62] 62,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[66, 98], Operations: ['92-41=51', '47+51=98'] Exploring Operation: 66+98=164, Resulting Numbers: [164] 164,69 unequal: No Solution Exploring Operation: 66*98=6468, Resulting Numbers: [6468] 6468,69 unequal: No Solution Exploring Operation: 98-66=32, Resulting Numbers: [32] 32,69 unequal: No Solution Moving to Node #0,3,4 Current State: 69:[51, 113], Operations: ['92-41=51', '47+66=113'] Exploring Operation: 113-51=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 51+113=164, Resulting Numbers: [164] 164,69 unequal: No Solution Exploring Operation: 51*113=5763, Resulting Numbers: [5763] 5763,69 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 99, 10, 35, 37 ]
91
[ "99-10=89", "37-35=2", "89+2=91" ]
Current State: 91:[99, 10, 35, 37], Operations: [] Exploring Operation: 99-10=89, Resulting Numbers: [35, 37, 89] Generated Node #2: [35, 37, 89] from Operation: 99-10=89 Current State: 91:[35, 37, 89], Operations: ['99-10=89'] Exploring Operation: 37-35=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 37-35=2 Current State: 91:[89, 2], Operations: ['99-10=89', '37-35=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[99, 10, 35, 37], Operations: [] Exploring Operation: 35+37=72, Resulting Numbers: [99, 10, 72] Generated Node #0,0: 91:[99, 10, 72] Operation: 35+37=72 Exploring Operation: 35-10=25, Resulting Numbers: [99, 37, 25] Generated Node #0,1: 91:[99, 37, 25] Operation: 35-10=25 Exploring Operation: 37-10=27, Resulting Numbers: [99, 35, 27] Generated Node #0,2: 91:[99, 35, 27] Operation: 37-10=27 Exploring Operation: 37-35=2, Resulting Numbers: [99, 10, 2] Generated Node #0,3: 91:[99, 10, 2] Operation: 37-35=2 Exploring Operation: 99-10=89, Resulting Numbers: [35, 37, 89] Generated Node #0,4: 91:[35, 37, 89] Operation: 99-10=89 Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[99, 10, 2], Operations: ['37-35=2'] Exploring Operation: 10+2=12, Resulting Numbers: [99, 12] Generated Node #0,3,0: 91:[99, 12] Operation: 10+2=12 Exploring Operation: 99-2=97, Resulting Numbers: [10, 97] Generated Node #0,3,1: 91:[10, 97] Operation: 99-2=97 Exploring Operation: 10-2=8, Resulting Numbers: [99, 8] Generated Node #0,3,2: 91:[99, 8] Operation: 10-2=8 Exploring Operation: 99-10=89, Resulting Numbers: [2, 89] Generated Node #0,3,3: 91:[2, 89] Operation: 99-10=89 Exploring Operation: 10/2=5, Resulting Numbers: [99, 5] Generated Node #0,3,4: 91:[99, 5] Operation: 10/2=5 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 91:[2, 89], Operations: ['37-35=2', '99-10=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[99, 10, 35, 37], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [99, 10, 2] Generated Node #0,3: 91:[99, 10, 2] Operation: 37-35=2 Moving to Node #0,3 Current State: 91:[99, 10, 2], Operations: ['37-35=2'] Exploring Operation: 99-10=89, Resulting Numbers: [2, 89] Generated Node #0,3,3: 91:[2, 89] Operation: 99-10=89 Moving to Node #0,3,3 Current State: 91:[2, 89], Operations: ['37-35=2', '99-10=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 99, 98, 94, 65 ]
85
[ "99-94=5", "65/5=13", "98-13=85" ]
Current State: 85:[99, 98, 94, 65], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [98, 65, 5] Generated Node #2: [98, 65, 5] from Operation: 99-94=5 Current State: 85:[98, 65, 5], Operations: ['99-94=5'] Exploring Operation: 65/5=13, Resulting Numbers: [98, 13] Generated Node #3: [98, 13] from Operation: 65/5=13 Current State: 85:[98, 13], Operations: ['99-94=5', '65/5=13'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[99, 98, 94, 65], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [99, 94, 33] Generated Node #0,0: 85:[99, 94, 33] Operation: 98-65=33 Exploring Operation: 98-94=4, Resulting Numbers: [99, 65, 4] Generated Node #0,1: 85:[99, 65, 4] Operation: 98-94=4 Exploring Operation: 99-98=1, Resulting Numbers: [94, 65, 1] Generated Node #0,2: 85:[94, 65, 1] Operation: 99-98=1 Exploring Operation: 99-94=5, Resulting Numbers: [98, 65, 5] Generated Node #0,3: 85:[98, 65, 5] Operation: 99-94=5 Exploring Operation: 99-65=34, Resulting Numbers: [98, 94, 34] Generated Node #0,4: 85:[98, 94, 34] Operation: 99-65=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[94, 65, 1], Operations: ['99-98=1'] Exploring Operation: 94*1=94, Resulting Numbers: [65, 94] Generated Node #0,2,0: 85:[65, 94] Operation: 94*1=94 Exploring Operation: 94/1=94, Resulting Numbers: [65, 94] Generated Node #0,2,1: 85:[65, 94] Operation: 94/1=94 Exploring Operation: 94-65=29, Resulting Numbers: [1, 29] Generated Node #0,2,2: 85:[1, 29] Operation: 94-65=29 Exploring Operation: 94-1=93, Resulting Numbers: [65, 93] Generated Node #0,2,3: 85:[65, 93] Operation: 94-1=93 Exploring Operation: 65+1=66, Resulting Numbers: [94, 66] Generated Node #0,2,4: 85:[94, 66] Operation: 65+1=66 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[1, 29], Operations: ['99-98=1', '94-65=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 85:[65, 93], Operations: ['99-98=1', '94-1=93'] Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 65+93=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 65*93=6045, Resulting Numbers: [6045] 6045,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 85:[94, 66], Operations: ['99-98=1', '65+1=66'] Exploring Operation: 94-66=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 94*66=6204, Resulting Numbers: [6204] 6204,85 unequal: No Solution Exploring Operation: 94+66=160, Resulting Numbers: [160] 160,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 85:[65, 94], Operations: ['99-98=1', '94*1=94'] Exploring Operation: 65*94=6110, Resulting Numbers: [6110] 6110,85 unequal: No Solution Exploring Operation: 65+94=159, Resulting Numbers: [159] 159,85 unequal: No Solution Exploring Operation: 94-65=29, Resulting Numbers: [29] 29,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 85:[65, 94], Operations: ['99-98=1', '94/1=94'] Exploring Operation: 94-65=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 65*94=6110, Resulting Numbers: [6110] 6110,85 unequal: No Solution Exploring Operation: 65+94=159, Resulting Numbers: [159] 159,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[98, 65, 5], Operations: ['99-94=5'] Exploring Operation: 65/5=13, Resulting Numbers: [98, 13] Generated Node #0,3,0: 85:[98, 13] Operation: 65/5=13 Exploring Operation: 98+5=103, Resulting Numbers: [65, 103] Generated Node #0,3,1: 85:[65, 103] Operation: 98+5=103 Exploring Operation: 65+5=70, Resulting Numbers: [98, 70] Generated Node #0,3,2: 85:[98, 70] Operation: 65+5=70 Exploring Operation: 98-65=33, Resulting Numbers: [5, 33] Generated Node #0,3,3: 85:[5, 33] Operation: 98-65=33 Exploring Operation: 98-5=93, Resulting Numbers: [65, 93] Generated Node #0,3,4: 85:[65, 93] Operation: 98-5=93 Moving to Node #0,3,3 Current State: 85:[5, 33], Operations: ['99-94=5', '98-65=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[98, 13], Operations: ['99-94=5', '65/5=13'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[99, 98, 94, 65], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [98, 65, 5] Generated Node #0,3: 85:[98, 65, 5] Operation: 99-94=5 Moving to Node #0,3 Current State: 85:[98, 65, 5], Operations: ['99-94=5'] Exploring Operation: 65/5=13, Resulting Numbers: [98, 13] Generated Node #0,3,0: 85:[98, 13] Operation: 65/5=13 Moving to Node #0,3,0 Current State: 85:[98, 13], Operations: ['99-94=5', '65/5=13'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 10, 62, 9, 7 ]
35
[ "10*9=90", "62-7=55", "90-55=35" ]
Current State: 35:[10, 62, 9, 7], Operations: [] Exploring Operation: 10*9=90, Resulting Numbers: [62, 7, 90] Generated Node #2: [62, 7, 90] from Operation: 10*9=90 Current State: 35:[62, 7, 90], Operations: ['10*9=90'] Exploring Operation: 62-7=55, Resulting Numbers: [90, 55] Generated Node #3: [90, 55] from Operation: 62-7=55 Current State: 35:[90, 55], Operations: ['10*9=90', '62-7=55'] Exploring Operation: 90-55=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[10, 62, 9, 7], Operations: [] Exploring Operation: 62-7=55, Resulting Numbers: [10, 9, 55] Generated Node #0,0: 35:[10, 9, 55] Operation: 62-7=55 Exploring Operation: 62-10=52, Resulting Numbers: [9, 7, 52] Generated Node #0,1: 35:[9, 7, 52] Operation: 62-10=52 Exploring Operation: 62-9=53, Resulting Numbers: [10, 7, 53] Generated Node #0,2: 35:[10, 7, 53] Operation: 62-9=53 Moving to Node #0,1 Current State: 35:[9, 7, 52], Operations: ['62-10=52'] Exploring Operation: 52-7=45, Resulting Numbers: [9, 45] Generated Node #0,1,0: 35:[9, 45] Operation: 52-7=45 Exploring Operation: 9-7=2, Resulting Numbers: [52, 2] Generated Node #0,1,1: 35:[52, 2] Operation: 9-7=2 Exploring Operation: 52-9=43, Resulting Numbers: [7, 43] Generated Node #0,1,2: 35:[7, 43] Operation: 52-9=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[7, 43], Operations: ['62-10=52', '52-9=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[9, 45], Operations: ['62-10=52', '52-7=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[52, 2], Operations: ['62-10=52', '9-7=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,35 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: 35:[10, 7, 53], Operations: ['62-9=53'] Exploring Operation: 53-7=46, Resulting Numbers: [10, 46] Generated Node #0,2,0: 35:[10, 46] Operation: 53-7=46 Exploring Operation: 53-10=43, Resulting Numbers: [7, 43] Generated Node #0,2,1: 35:[7, 43] Operation: 53-10=43 Exploring Operation: 10-7=3, Resulting Numbers: [53, 3] Generated Node #0,2,2: 35:[53, 3] Operation: 10-7=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[7, 43], Operations: ['62-9=53', '53-10=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,35 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[10, 46], Operations: ['62-9=53', '53-7=46'] Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,35 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[53, 3], Operations: ['62-9=53', '10-7=3'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,35 unequal: No Solution Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 35:[10, 9, 55], Operations: ['62-7=55'] Exploring Operation: 55-9=46, Resulting Numbers: [10, 46] Generated Node #0,0,0: 35:[10, 46] Operation: 55-9=46 Exploring Operation: 55-10=45, Resulting Numbers: [9, 45] Generated Node #0,0,1: 35:[9, 45] Operation: 55-10=45 Exploring Operation: 10-9=1, Resulting Numbers: [55, 1] Generated Node #0,0,2: 35:[55, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[9, 45], Operations: ['62-7=55', '55-10=45'] Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[10, 46], Operations: ['62-7=55', '55-9=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,35 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[55, 1], Operations: ['62-7=55', '10-9=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,35 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,35 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
[ 69, 64, 26, 23 ]
77
[ "69*23=1587", "64*26=1664", "1664-1587=77" ]
Current State: 77:[69, 64, 26, 23], Operations: [] Exploring Operation: 69*23=1587, Resulting Numbers: [64, 26, 1587] Generated Node #2: [64, 26, 1587] from Operation: 69*23=1587 Current State: 77:[64, 26, 1587], Operations: ['69*23=1587'] Exploring Operation: 64*26=1664, Resulting Numbers: [1587, 1664] Generated Node #3: [1587, 1664] from Operation: 64*26=1664 Current State: 77:[1587, 1664], Operations: ['69*23=1587', '64*26=1664'] Exploring Operation: 1664-1587=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[69, 64, 26, 23], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [64, 26, 3] Generated Node #0,0: 77:[64, 26, 3] Operation: 69/23=3 Exploring Operation: 26-23=3, Resulting Numbers: [69, 64, 3] Generated Node #0,1: 77:[69, 64, 3] Operation: 26-23=3 Exploring Operation: 69-64=5, Resulting Numbers: [26, 23, 5] Generated Node #0,2: 77:[26, 23, 5] Operation: 69-64=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[69, 64, 3], Operations: ['26-23=3'] Exploring Operation: 64+3=67, Resulting Numbers: [69, 67] Generated Node #0,1,0: 77:[69, 67] Operation: 64+3=67 Exploring Operation: 69+3=72, Resulting Numbers: [64, 72] Generated Node #0,1,1: 77:[64, 72] Operation: 69+3=72 Exploring Operation: 69-64=5, Resulting Numbers: [3, 5] Generated Node #0,1,2: 77:[3, 5] Operation: 69-64=5 Moving to Node #0,1,2 Current State: 77:[3, 5], Operations: ['26-23=3', '69-64=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[69, 67], Operations: ['26-23=3', '64+3=67'] Exploring Operation: 69+67=136, Resulting Numbers: [136] 136,77 unequal: No Solution Exploring Operation: 69*67=4623, Resulting Numbers: [4623] 4623,77 unequal: No Solution Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[64, 72], Operations: ['26-23=3', '69+3=72'] Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,77 unequal: No Solution Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[26, 23, 5], Operations: ['69-64=5'] Exploring Operation: 26-5=21, Resulting Numbers: [23, 21] Generated Node #0,2,0: 77:[23, 21] Operation: 26-5=21 Exploring Operation: 26-23=3, Resulting Numbers: [5, 3] Generated Node #0,2,1: 77:[5, 3] Operation: 26-23=3 Exploring Operation: 23-5=18, Resulting Numbers: [26, 18] Generated Node #0,2,2: 77:[26, 18] Operation: 23-5=18 Moving to Node #0,2,1 Current State: 77:[5, 3], Operations: ['69-64=5', '26-23=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[23, 21], Operations: ['69-64=5', '26-5=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,77 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,77 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[26, 18], Operations: ['69-64=5', '23-5=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,77 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,77 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[64, 26, 3], Operations: ['69/23=3'] Exploring Operation: 64+26=90, Resulting Numbers: [3, 90] Generated Node #0,0,0: 77:[3, 90] Operation: 64+26=90 Exploring Operation: 26*3=78, Resulting Numbers: [64, 78] Generated Node #0,0,1: 77:[64, 78] Operation: 26*3=78 Exploring Operation: 64+3=67, Resulting Numbers: [26, 67] Generated Node #0,0,2: 77:[26, 67] Operation: 64+3=67 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[64, 78], Operations: ['69/23=3', '26*3=78'] Exploring Operation: 64*78=4992, Resulting Numbers: [4992] 4992,77 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,77 unequal: No Solution Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,77 unequal: No Solution No 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: 77:[3, 90], Operations: ['69/23=3', '64+26=90'] Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,77 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,77 unequal: No Solution No 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: 77:[26, 67], Operations: ['69/23=3', '64+3=67'] Exploring Operation: 26*67=1742, Resulting Numbers: [1742] 1742,77 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,77 unequal: No Solution Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 66, 2, 44 ]
46
[ "34*2=68", "66-44=22", "68-22=46" ]
Current State: 46:[34, 66, 2, 44], Operations: [] Exploring Operation: 34*2=68, Resulting Numbers: [66, 44, 68] Generated Node #2: [66, 44, 68] from Operation: 34*2=68 Current State: 46:[66, 44, 68], Operations: ['34*2=68'] Exploring Operation: 66-44=22, Resulting Numbers: [68, 22] Generated Node #3: [68, 22] from Operation: 66-44=22 Current State: 46:[68, 22], Operations: ['34*2=68', '66-44=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[34, 66, 2, 44], Operations: [] Exploring Operation: 66-34=32, Resulting Numbers: [2, 44, 32] Generated Node #0,0: 46:[2, 44, 32] Operation: 66-34=32 Exploring Operation: 66/2=33, Resulting Numbers: [34, 44, 33] Generated Node #0,1: 46:[34, 44, 33] Operation: 66/2=33 Exploring Operation: 66-44=22, Resulting Numbers: [34, 2, 22] Generated Node #0,2: 46:[34, 2, 22] Operation: 66-44=22 Moving to Node #0,0 Current State: 46:[2, 44, 32], Operations: ['66-34=32'] Exploring Operation: 32/2=16, Resulting Numbers: [44, 16] Generated Node #0,0,0: 46:[44, 16] Operation: 32/2=16 Exploring Operation: 2+44=46, Resulting Numbers: [32, 46] Generated Node #0,0,1: 46:[32, 46] Operation: 2+44=46 Exploring Operation: 32-2=30, Resulting Numbers: [44, 30] Generated Node #0,0,2: 46:[44, 30] Operation: 32-2=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[44, 16], Operations: ['66-34=32', '32/2=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,46 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,46 unequal: No Solution No 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: 46:[32, 46], Operations: ['66-34=32', '2+44=46'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,46 unequal: No Solution No 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: 46:[44, 30], Operations: ['66-34=32', '32-2=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,46 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,46 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: 46:[34, 2, 22], Operations: ['66-44=22'] Exploring Operation: 34/2=17, Resulting Numbers: [22, 17] Generated Node #0,2,0: 46:[22, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [22, 32] Generated Node #0,2,1: 46:[22, 32] Operation: 34-2=32 Exploring Operation: 34+22=56, Resulting Numbers: [2, 56] Generated Node #0,2,2: 46:[2, 56] Operation: 34+22=56 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 46:[22, 17], Operations: ['66-44=22', '34/2=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,46 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,46 unequal: No Solution No 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: 46:[22, 32], Operations: ['66-44=22', '34-2=32'] Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,46 unequal: No Solution No 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: 46:[2, 56], Operations: ['66-44=22', '34+22=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,46 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,46 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: 46:[34, 44, 33], Operations: ['66/2=33'] Exploring Operation: 44-33=11, Resulting Numbers: [34, 11] Generated Node #0,1,0: 46:[34, 11] Operation: 44-33=11 Exploring Operation: 44-34=10, Resulting Numbers: [33, 10] Generated Node #0,1,1: 46:[33, 10] Operation: 44-34=10 Exploring Operation: 34-33=1, Resulting Numbers: [44, 1] Generated Node #0,1,2: 46:[44, 1] Operation: 34-33=1 Moving to Node #0,1,2 Current State: 46:[44, 1], Operations: ['66/2=33', '34-33=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[33, 10], Operations: ['66/2=33', '44-34=10'] Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,46 unequal: No Solution Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,46 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[34, 11], Operations: ['66/2=33', '44-33=11'] Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,46 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,46 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 46, 27, 39, 42 ]
70
[ "46+27=73", "42-39=3", "73-3=70" ]
Current State: 70:[46, 27, 39, 42], Operations: [] Exploring Operation: 46+27=73, Resulting Numbers: [39, 42, 73] Generated Node #2: [39, 42, 73] from Operation: 46+27=73 Current State: 70:[39, 42, 73], Operations: ['46+27=73'] Exploring Operation: 42-39=3, Resulting Numbers: [73, 3] Generated Node #3: [73, 3] from Operation: 42-39=3 Current State: 70:[73, 3], Operations: ['46+27=73', '42-39=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[46, 27, 39, 42], Operations: [] Exploring Operation: 46-42=4, Resulting Numbers: [27, 39, 4] Generated Node #0,0: 70:[27, 39, 4] Operation: 46-42=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[27, 39, 4], Operations: ['46-42=4'] Exploring Operation: 39-27=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 70:[4, 12] Operation: 39-27=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[4, 12], Operations: ['46-42=4', '39-27=12'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 11, 72, 93 ]
47
[ "15+11=26", "93-72=21", "26+21=47" ]
Current State: 47:[15, 11, 72, 93], Operations: [] Exploring Operation: 15+11=26, Resulting Numbers: [72, 93, 26] Generated Node #2: [72, 93, 26] from Operation: 15+11=26 Current State: 47:[72, 93, 26], Operations: ['15+11=26'] Exploring Operation: 93-72=21, Resulting Numbers: [26, 21] Generated Node #3: [26, 21] from Operation: 93-72=21 Current State: 47:[26, 21], Operations: ['15+11=26', '93-72=21'] Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[15, 11, 72, 93], Operations: [] Exploring Operation: 72-15=57, Resulting Numbers: [11, 93, 57] Generated Node #0,0: 47:[11, 93, 57] Operation: 72-15=57 Exploring Operation: 15+11=26, Resulting Numbers: [72, 93, 26] Generated Node #0,1: 47:[72, 93, 26] Operation: 15+11=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[11, 93, 57], Operations: ['72-15=57'] Exploring Operation: 93-11=82, Resulting Numbers: [57, 82] Generated Node #0,0,0: 47:[57, 82] Operation: 93-11=82 Exploring Operation: 57-11=46, Resulting Numbers: [93, 46] Generated Node #0,0,1: 47:[93, 46] Operation: 57-11=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[57, 82], Operations: ['72-15=57', '93-11=82'] Exploring Operation: 57+82=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[93, 46], Operations: ['72-15=57', '57-11=46'] Exploring Operation: 93+46=139, Resulting Numbers: [139] 139,47 unequal: No Solution Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[15, 11, 72, 93], Operations: [] Exploring Operation: 72-15=57, Resulting Numbers: [11, 93, 57] Generated Node #0,0: 47:[11, 93, 57] Operation: 72-15=57 Moving to Node #0,0 Current State: 47:[11, 93, 57], Operations: ['72-15=57'] Exploring Operation: 57-11=46, Resulting Numbers: [93, 46] Generated Node #0,0,1: 47:[93, 46] Operation: 57-11=46 Moving to Node #0,0,1 Current State: 47:[93, 46], Operations: ['72-15=57', '57-11=46'] Exploring Operation: 93-46=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 80, 15, 13, 7 ]
16
[ "15-13=2", "7-2=5", "80/5=16" ]
Current State: 16:[80, 15, 13, 7], Operations: [] Exploring Operation: 15-13=2, Resulting Numbers: [80, 7, 2] Generated Node #2: [80, 7, 2] from Operation: 15-13=2 Current State: 16:[80, 7, 2], Operations: ['15-13=2'] Exploring Operation: 7-2=5, Resulting Numbers: [80, 5] Generated Node #3: [80, 5] from Operation: 7-2=5 Current State: 16:[80, 5], Operations: ['15-13=2', '7-2=5'] Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[80, 15, 13, 7], Operations: [] Exploring Operation: 80-7=73, Resulting Numbers: [15, 13, 73] Generated Node #0,0: 16:[15, 13, 73] Operation: 80-7=73 Exploring Operation: 80-15=65, Resulting Numbers: [13, 7, 65] Generated Node #0,1: 16:[13, 7, 65] Operation: 80-15=65 Exploring Operation: 80-13=67, Resulting Numbers: [15, 7, 67] Generated Node #0,2: 16:[15, 7, 67] Operation: 80-13=67 Exploring Operation: 15-13=2, Resulting Numbers: [80, 7, 2] Generated Node #0,3: 16:[80, 7, 2] Operation: 15-13=2 Exploring Operation: 15-7=8, Resulting Numbers: [80, 13, 8] Generated Node #0,4: 16:[80, 13, 8] Operation: 15-7=8 Moving to Node #0,1 Current State: 16:[13, 7, 65], Operations: ['80-15=65'] Exploring Operation: 65-7=58, Resulting Numbers: [13, 58] Generated Node #0,1,0: 16:[13, 58] Operation: 65-7=58 Exploring Operation: 65/13=5, Resulting Numbers: [7, 5] Generated Node #0,1,1: 16:[7, 5] Operation: 65/13=5 Exploring Operation: 13-7=6, Resulting Numbers: [65, 6] Generated Node #0,1,2: 16:[65, 6] Operation: 13-7=6 Exploring Operation: 13+7=20, Resulting Numbers: [65, 20] Generated Node #0,1,3: 16:[65, 20] Operation: 13+7=20 Exploring Operation: 65-13=52, Resulting Numbers: [7, 52] Generated Node #0,1,4: 16:[7, 52] Operation: 65-13=52 Moving to Node #0,2 Current State: 16:[15, 7, 67], Operations: ['80-13=67'] Exploring Operation: 15-7=8, Resulting Numbers: [67, 8] Generated Node #0,2,0: 16:[67, 8] Operation: 15-7=8 Exploring Operation: 67-15=52, Resulting Numbers: [7, 52] Generated Node #0,2,1: 16:[7, 52] Operation: 67-15=52 Exploring Operation: 7+67=74, Resulting Numbers: [15, 74] Generated Node #0,2,2: 16:[15, 74] Operation: 7+67=74 Exploring Operation: 67-7=60, Resulting Numbers: [15, 60] Generated Node #0,2,3: 16:[15, 60] Operation: 67-7=60 Exploring Operation: 15+7=22, Resulting Numbers: [67, 22] Generated Node #0,2,4: 16:[67, 22] Operation: 15+7=22 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[7, 52], Operations: ['80-13=67', '67-15=52'] Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,16 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 #0,2,3 Current State: 16:[15, 60], Operations: ['80-13=67', '67-7=60'] Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 15*60=900, Resulting Numbers: [900] 900,16 unequal: No Solution Exploring Operation: 15+60=75, Resulting Numbers: [75] 75,16 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 #0,2,0 Current State: 16:[67, 8], Operations: ['80-13=67', '15-7=8'] Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 67*8=536, Resulting Numbers: [536] 536,16 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,16 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 #0,2,4 Current State: 16:[67, 22], Operations: ['80-13=67', '15+7=22'] Exploring Operation: 67*22=1474, Resulting Numbers: [1474] 1474,16 unequal: No Solution Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,16 unequal: No Solution Exploring Operation: 67+22=89, Resulting Numbers: [89] 89,16 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 #0,2,2 Current State: 16:[15, 74], Operations: ['80-13=67', '7+67=74'] Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 15*74=1110, Resulting Numbers: [1110] 1110,16 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:[15, 13, 73], Operations: ['80-7=73'] Exploring Operation: 15-13=2, Resulting Numbers: [73, 2] Generated Node #0,0,0: 16:[73, 2] Operation: 15-13=2 Exploring Operation: 15+13=28, Resulting Numbers: [73, 28] Generated Node #0,0,1: 16:[73, 28] Operation: 15+13=28 Exploring Operation: 73-13=60, Resulting Numbers: [15, 60] Generated Node #0,0,2: 16:[15, 60] Operation: 73-13=60 Exploring Operation: 73-15=58, Resulting Numbers: [13, 58] Generated Node #0,0,3: 16:[13, 58] Operation: 73-15=58 Exploring Operation: 13+73=86, Resulting Numbers: [15, 86] Generated Node #0,0,4: 16:[15, 86] Operation: 13+73=86 Moving to Node #0,3 Current State: 16:[80, 7, 2], Operations: ['15-13=2'] Exploring Operation: 7-2=5, Resulting Numbers: [80, 5] Generated Node #0,3,0: 16:[80, 5] Operation: 7-2=5 Exploring Operation: 80-2=78, Resulting Numbers: [7, 78] Generated Node #0,3,1: 16:[7, 78] Operation: 80-2=78 Exploring Operation: 80/2=40, Resulting Numbers: [7, 40] Generated Node #0,3,2: 16:[7, 40] Operation: 80/2=40 Exploring Operation: 7+2=9, Resulting Numbers: [80, 9] Generated Node #0,3,3: 16:[80, 9] Operation: 7+2=9 Exploring Operation: 80-7=73, Resulting Numbers: [2, 73] Generated Node #0,3,4: 16:[2, 73] Operation: 80-7=73 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[7, 40], Operations: ['15-13=2', '80/2=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,16 unequal: No Solution Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 7*40=280, Resulting Numbers: [280] 280,16 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:[2, 73], Operations: ['15-13=2', '80-7=73'] Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,16 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:[7, 78], Operations: ['15-13=2', '80-2=78'] Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,16 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,16 unequal: No Solution Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,16 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:[80, 5], Operations: ['15-13=2', '7-2=5'] Exploring Operation: 80*5=400, Resulting Numbers: [400] 400,16 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,16 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[80, 15, 13, 7], Operations: [] Exploring Operation: 15-13=2, Resulting Numbers: [80, 7, 2] Generated Node #0,3: 16:[80, 7, 2] Operation: 15-13=2 Moving to Node #0,3 Current State: 16:[80, 7, 2], Operations: ['15-13=2'] Exploring Operation: 7-2=5, Resulting Numbers: [80, 5] Generated Node #0,3,0: 16:[80, 5] Operation: 7-2=5 Moving to Node #0,3,0 Current State: 16:[80, 5], Operations: ['15-13=2', '7-2=5'] Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 26, 28, 83, 45 ]
74
[ "26+28=54", "83+45=128", "128-54=74" ]
Current State: 74:[26, 28, 83, 45], Operations: [] Exploring Operation: 26+28=54, Resulting Numbers: [83, 45, 54] Generated Node #2: [83, 45, 54] from Operation: 26+28=54 Current State: 74:[83, 45, 54], Operations: ['26+28=54'] Exploring Operation: 83+45=128, Resulting Numbers: [54, 128] Generated Node #3: [54, 128] from Operation: 83+45=128 Current State: 74:[54, 128], Operations: ['26+28=54', '83+45=128'] Exploring Operation: 128-54=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[26, 28, 83, 45], Operations: [] Exploring Operation: 26+45=71, Resulting Numbers: [28, 83, 71] Generated Node #0,0: 74:[28, 83, 71] Operation: 26+45=71 Exploring Operation: 28-26=2, Resulting Numbers: [83, 45, 2] Generated Node #0,1: 74:[83, 45, 2] Operation: 28-26=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[83, 45, 2], Operations: ['28-26=2'] Exploring Operation: 83-45=38, Resulting Numbers: [2, 38] Generated Node #0,1,0: 74:[2, 38] Operation: 83-45=38 Exploring Operation: 83-2=81, Resulting Numbers: [45, 81] Generated Node #0,1,1: 74:[45, 81] Operation: 83-2=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[2, 38], Operations: ['28-26=2', '83-45=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,74 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:[45, 81], Operations: ['28-26=2', '83-2=81'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 45+81=126, Resulting Numbers: [126] 126,74 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:[28, 83, 71], Operations: ['26+45=71'] Exploring Operation: 71-28=43, Resulting Numbers: [83, 43] Generated Node #0,0,0: 74:[83, 43] Operation: 71-28=43 Exploring Operation: 83-71=12, Resulting Numbers: [28, 12] Generated Node #0,0,1: 74:[28, 12] Operation: 83-71=12 Moving to Node #0,0,0 Current State: 74:[83, 43], Operations: ['26+45=71', '71-28=43'] Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 83+43=126, Resulting Numbers: [126] 126,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[28, 12], Operations: ['26+45=71', '83-71=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,74 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
[ 5, 25, 90, 2 ]
72
[ "25-5=20", "90+2=92", "92-20=72" ]
Current State: 72:[5, 25, 90, 2], Operations: [] Exploring Operation: 25-5=20, Resulting Numbers: [90, 2, 20] Generated Node #2: [90, 2, 20] from Operation: 25-5=20 Current State: 72:[90, 2, 20], Operations: ['25-5=20'] Exploring Operation: 90+2=92, Resulting Numbers: [20, 92] Generated Node #3: [20, 92] from Operation: 90+2=92 Current State: 72:[20, 92], Operations: ['25-5=20', '90+2=92'] Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[5, 25, 90, 2], Operations: [] Exploring Operation: 90-25=65, Resulting Numbers: [5, 2, 65] Generated Node #0,0: 72:[5, 2, 65] Operation: 90-25=65 Exploring Operation: 90/5=18, Resulting Numbers: [25, 2, 18] Generated Node #0,1: 72:[25, 2, 18] Operation: 90/5=18 Exploring Operation: 90/2=45, Resulting Numbers: [5, 25, 45] Generated Node #0,2: 72:[5, 25, 45] Operation: 90/2=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[25, 2, 18], Operations: ['90/5=18'] Exploring Operation: 25-18=7, Resulting Numbers: [2, 7] Generated Node #0,1,0: 72:[2, 7] Operation: 25-18=7 Exploring Operation: 25-2=23, Resulting Numbers: [18, 23] Generated Node #0,1,1: 72:[18, 23] Operation: 25-2=23 Exploring Operation: 2*18=36, Resulting Numbers: [25, 36] Generated Node #0,1,2: 72:[25, 36] Operation: 2*18=36 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[2, 7], Operations: ['90/5=18', '25-18=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,72 unequal: No Solution No 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: 72:[18, 23], Operations: ['90/5=18', '25-2=23'] Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,72 unequal: No Solution Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,72 unequal: No Solution No 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: 72:[25, 36], Operations: ['90/5=18', '2*18=36'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,72 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,72 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: 72:[5, 2, 65], Operations: ['90-25=65'] Exploring Operation: 5+65=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 72:[2, 70] Operation: 5+65=70 Exploring Operation: 2+65=67, Resulting Numbers: [5, 67] Generated Node #0,0,1: 72:[5, 67] Operation: 2+65=67 Exploring Operation: 65/5=13, Resulting Numbers: [2, 13] Generated Node #0,0,2: 72:[2, 13] Operation: 65/5=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 72:[2, 13], Operations: ['90-25=65', '65/5=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,72 unequal: No Solution No 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: 72:[2, 70], Operations: ['90-25=65', '5+65=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[5, 25, 90, 2], Operations: [] Exploring Operation: 90-25=65, Resulting Numbers: [5, 2, 65] Generated Node #0,0: 72:[5, 2, 65] Operation: 90-25=65 Moving to Node #0,0 Current State: 72:[5, 2, 65], Operations: ['90-25=65'] Exploring Operation: 5+65=70, Resulting Numbers: [2, 70] Generated Node #0,0,0: 72:[2, 70] Operation: 5+65=70 Moving to Node #0,0,0 Current State: 72:[2, 70], Operations: ['90-25=65', '5+65=70'] Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 6, 63, 75, 9 ]
52
[ "75-9=66", "66/6=11", "63-11=52" ]
Current State: 52:[6, 63, 75, 9], Operations: [] Exploring Operation: 75-9=66, Resulting Numbers: [6, 63, 66] Generated Node #2: [6, 63, 66] from Operation: 75-9=66 Current State: 52:[6, 63, 66], Operations: ['75-9=66'] Exploring Operation: 66/6=11, Resulting Numbers: [63, 11] Generated Node #3: [63, 11] from Operation: 66/6=11 Current State: 52:[63, 11], Operations: ['75-9=66', '66/6=11'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[6, 63, 75, 9], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [6, 75, 7] Generated Node #0,0: 52:[6, 75, 7] Operation: 63/9=7 Exploring Operation: 75-63=12, Resulting Numbers: [6, 9, 12] Generated Node #0,1: 52:[6, 9, 12] Operation: 75-63=12 Exploring Operation: 63-9=54, Resulting Numbers: [6, 75, 54] Generated Node #0,2: 52:[6, 75, 54] Operation: 63-9=54 Exploring Operation: 75-9=66, Resulting Numbers: [6, 63, 66] Generated Node #0,3: 52:[6, 63, 66] Operation: 75-9=66 Moving to Node #0,1 Current State: 52:[6, 9, 12], Operations: ['75-63=12'] Exploring Operation: 12-9=3, Resulting Numbers: [6, 3] Generated Node #0,1,0: 52:[6, 3] Operation: 12-9=3 Exploring Operation: 9-6=3, Resulting Numbers: [12, 3] Generated Node #0,1,1: 52:[12, 3] Operation: 9-6=3 Exploring Operation: 6*9=54, Resulting Numbers: [12, 54] Generated Node #0,1,2: 52:[12, 54] Operation: 6*9=54 Exploring Operation: 6+9=15, Resulting Numbers: [12, 15] Generated Node #0,1,3: 52:[12, 15] Operation: 6+9=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[12, 3], Operations: ['75-63=12', '9-6=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[6, 3], Operations: ['75-63=12', '12-9=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[12, 54], Operations: ['75-63=12', '6*9=54'] Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[12, 15], Operations: ['75-63=12', '6+9=15'] Exploring Operation: 12*15=180, Resulting Numbers: [180] 180,52 unequal: No Solution Exploring Operation: 12+15=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,52 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: 52:[6, 63, 66], Operations: ['75-9=66'] Exploring Operation: 66-6=60, Resulting Numbers: [63, 60] Generated Node #0,3,0: 52:[63, 60] Operation: 66-6=60 Exploring Operation: 66-63=3, Resulting Numbers: [6, 3] Generated Node #0,3,1: 52:[6, 3] Operation: 66-63=3 Exploring Operation: 63-6=57, Resulting Numbers: [66, 57] Generated Node #0,3,2: 52:[66, 57] Operation: 63-6=57 Exploring Operation: 66/6=11, Resulting Numbers: [63, 11] Generated Node #0,3,3: 52:[63, 11] Operation: 66/6=11 Moving to Node #0,2 Current State: 52:[6, 75, 54], Operations: ['63-9=54'] Exploring Operation: 54-6=48, Resulting Numbers: [75, 48] Generated Node #0,2,0: 52:[75, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [75, 9] Generated Node #0,2,1: 52:[75, 9] Operation: 54/6=9 Exploring Operation: 75-6=69, Resulting Numbers: [54, 69] Generated Node #0,2,2: 52:[54, 69] Operation: 75-6=69 Exploring Operation: 75-54=21, Resulting Numbers: [6, 21] Generated Node #0,2,3: 52:[6, 21] Operation: 75-54=21 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[6, 21], Operations: ['63-9=54', '75-54=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,52 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[54, 69], Operations: ['63-9=54', '75-6=69'] Exploring Operation: 54*69=3726, Resulting Numbers: [3726] 3726,52 unequal: No Solution Exploring Operation: 69-54=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 54+69=123, Resulting Numbers: [123] 123,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[75, 48], Operations: ['63-9=54', '54-6=48'] Exploring Operation: 75*48=3600, Resulting Numbers: [3600] 3600,52 unequal: No Solution Exploring Operation: 75+48=123, Resulting Numbers: [123] 123,52 unequal: No Solution Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[75, 9], Operations: ['63-9=54', '54/6=9'] Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,52 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,52 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: 52:[6, 75, 7], Operations: ['63/9=7'] Exploring Operation: 75-6=69, Resulting Numbers: [7, 69] Generated Node #0,0,0: 52:[7, 69] Operation: 75-6=69 Exploring Operation: 6+7=13, Resulting Numbers: [75, 13] Generated Node #0,0,1: 52:[75, 13] Operation: 6+7=13 Exploring Operation: 7-6=1, Resulting Numbers: [75, 1] Generated Node #0,0,2: 52:[75, 1] Operation: 7-6=1 Exploring Operation: 75-7=68, Resulting Numbers: [6, 68] Generated Node #0,0,3: 52:[6, 68] Operation: 75-7=68 Moving to Node #0,3,1 Current State: 52:[6, 3], Operations: ['75-9=66', '66-63=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[63, 11], Operations: ['75-9=66', '66/6=11'] Exploring Operation: 63+11=74, Resulting Numbers: [74] 74,52 unequal: No Solution Exploring Operation: 63*11=693, Resulting Numbers: [693] 693,52 unequal: No Solution Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[6, 63, 75, 9], Operations: [] Exploring Operation: 75-9=66, Resulting Numbers: [6, 63, 66] Generated Node #0,3: 52:[6, 63, 66] Operation: 75-9=66 Moving to Node #0,3 Current State: 52:[6, 63, 66], Operations: ['75-9=66'] Exploring Operation: 66/6=11, Resulting Numbers: [63, 11] Generated Node #0,3,3: 52:[63, 11] Operation: 66/6=11 Moving to Node #0,3,3 Current State: 52:[63, 11], Operations: ['75-9=66', '66/6=11'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.950521
hs_4
sum_heuristic
[ 77, 81, 80, 50 ]
27
[ "77-50=27", "81-80=1", "27*1=27" ]
Current State: 27:[77, 81, 80, 50], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [81, 80, 27] Generated Node #2: [81, 80, 27] from Operation: 77-50=27 Current State: 27:[81, 80, 27], Operations: ['77-50=27'] Exploring Operation: 81-80=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 81-80=1 Current State: 27:[27, 1], Operations: ['77-50=27', '81-80=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[77, 81, 80, 50], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [81, 50, 3] Generated Node #0,0: 27:[81, 50, 3] Operation: 80-77=3 Exploring Operation: 81-80=1, Resulting Numbers: [77, 50, 1] Generated Node #0,1: 27:[77, 50, 1] Operation: 81-80=1 Exploring Operation: 81-77=4, Resulting Numbers: [80, 50, 4] Generated Node #0,2: 27:[80, 50, 4] Operation: 81-77=4 Exploring Operation: 81-50=31, Resulting Numbers: [77, 80, 31] Generated Node #0,3: 27:[77, 80, 31] Operation: 81-50=31 Exploring Operation: 77-50=27, Resulting Numbers: [81, 80, 27] Generated Node #0,4: 27:[81, 80, 27] Operation: 77-50=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[77, 50, 1], Operations: ['81-80=1'] Exploring Operation: 77*1=77, Resulting Numbers: [50, 77] Generated Node #0,1,0: 27:[50, 77] Operation: 77*1=77 Exploring Operation: 77-50=27, Resulting Numbers: [1, 27] Generated Node #0,1,1: 27:[1, 27] Operation: 77-50=27 Exploring Operation: 77/1=77, Resulting Numbers: [50, 77] Generated Node #0,1,2: 27:[50, 77] Operation: 77/1=77 Exploring Operation: 50-1=49, Resulting Numbers: [77, 49] Generated Node #0,1,3: 27:[77, 49] Operation: 50-1=49 Exploring Operation: 77-1=76, Resulting Numbers: [50, 76] Generated Node #0,1,4: 27:[50, 76] Operation: 77-1=76 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[1, 27], Operations: ['81-80=1', '77-50=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[77, 81, 80, 50], Operations: [] Exploring Operation: 81-80=1, Resulting Numbers: [77, 50, 1] Generated Node #0,1: 27:[77, 50, 1] Operation: 81-80=1 Moving to Node #0,1 Current State: 27:[77, 50, 1], Operations: ['81-80=1'] Exploring Operation: 77-50=27, Resulting Numbers: [1, 27] Generated Node #0,1,1: 27:[1, 27] Operation: 77-50=27 Moving to Node #0,1,1 Current State: 27:[1, 27], Operations: ['81-80=1', '77-50=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 42, 12, 72, 9 ]
66
[ "42+12=54", "54/9=6", "72-6=66" ]
Current State: 66:[42, 12, 72, 9], Operations: [] Exploring Operation: 42+12=54, Resulting Numbers: [72, 9, 54] Generated Node #2: [72, 9, 54] from Operation: 42+12=54 Current State: 66:[72, 9, 54], Operations: ['42+12=54'] Exploring Operation: 54/9=6, Resulting Numbers: [72, 6] Generated Node #3: [72, 6] from Operation: 54/9=6 Current State: 66:[72, 6], Operations: ['42+12=54', '54/9=6'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[42, 12, 72, 9], Operations: [] Exploring Operation: 42-9=33, Resulting Numbers: [12, 72, 33] Generated Node #0,0: 66:[12, 72, 33] Operation: 42-9=33 Exploring Operation: 72-42=30, Resulting Numbers: [12, 9, 30] Generated Node #0,1: 66:[12, 9, 30] Operation: 72-42=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[12, 9, 30], Operations: ['72-42=30'] Exploring Operation: 12-9=3, Resulting Numbers: [30, 3] Generated Node #0,1,0: 66:[30, 3] Operation: 12-9=3 Exploring Operation: 30-9=21, Resulting Numbers: [12, 21] Generated Node #0,1,1: 66:[12, 21] Operation: 30-9=21 Moving to Node #0,1,1 Current State: 66:[12, 21], Operations: ['72-42=30', '30-9=21'] Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[30, 3], Operations: ['72-42=30', '12-9=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[12, 72, 33], Operations: ['42-9=33'] Exploring Operation: 72/12=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 66:[33, 6] Operation: 72/12=6 Exploring Operation: 72-12=60, Resulting Numbers: [33, 60] Generated Node #0,0,1: 66:[33, 60] Operation: 72-12=60 Moving to Node #0,0,0 Current State: 66:[33, 6], Operations: ['42-9=33', '72/12=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[33, 60], Operations: ['42-9=33', '72-12=60'] Exploring Operation: 33+60=93, Resulting Numbers: [93] 93,66 unequal: No Solution Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,66 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
[ 99, 10, 48, 17 ]
30
[ "99-48=51", "10*51=510", "510/17=30" ]
Current State: 30:[99, 10, 48, 17], Operations: [] Exploring Operation: 99-48=51, Resulting Numbers: [10, 17, 51] Generated Node #2: [10, 17, 51] from Operation: 99-48=51 Current State: 30:[10, 17, 51], Operations: ['99-48=51'] Exploring Operation: 10*51=510, Resulting Numbers: [17, 510] Generated Node #3: [17, 510] from Operation: 10*51=510 Current State: 30:[17, 510], Operations: ['99-48=51', '10*51=510'] Exploring Operation: 510/17=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[99, 10, 48, 17], Operations: [] Exploring Operation: 48-17=31, Resulting Numbers: [99, 10, 31] Generated Node #0,0: 30:[99, 10, 31] Operation: 48-17=31 Exploring Operation: 99-48=51, Resulting Numbers: [10, 17, 51] Generated Node #0,1: 30:[10, 17, 51] Operation: 99-48=51 Exploring Operation: 99-10=89, Resulting Numbers: [48, 17, 89] Generated Node #0,2: 30:[48, 17, 89] Operation: 99-10=89 Exploring Operation: 99-17=82, Resulting Numbers: [10, 48, 82] Generated Node #0,3: 30:[10, 48, 82] Operation: 99-17=82 Moving to Node #0,1 Current State: 30:[10, 17, 51], Operations: ['99-48=51'] Exploring Operation: 51-10=41, Resulting Numbers: [17, 41] Generated Node #0,1,0: 30:[17, 41] Operation: 51-10=41 Exploring Operation: 51/17=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 30:[10, 3] Operation: 51/17=3 Exploring Operation: 17-10=7, Resulting Numbers: [51, 7] Generated Node #0,1,2: 30:[51, 7] Operation: 17-10=7 Exploring Operation: 51-17=34, Resulting Numbers: [10, 34] Generated Node #0,1,3: 30:[10, 34] Operation: 51-17=34 Moving to Node #0,3 Current State: 30:[10, 48, 82], Operations: ['99-17=82'] Exploring Operation: 82-48=34, Resulting Numbers: [10, 34] Generated Node #0,3,0: 30:[10, 34] Operation: 82-48=34 Exploring Operation: 10+48=58, Resulting Numbers: [82, 58] Generated Node #0,3,1: 30:[82, 58] Operation: 10+48=58 Exploring Operation: 48-10=38, Resulting Numbers: [82, 38] Generated Node #0,3,2: 30:[82, 38] Operation: 48-10=38 Exploring Operation: 82-10=72, Resulting Numbers: [48, 72] Generated Node #0,3,3: 30:[48, 72] Operation: 82-10=72 Moving to Node #0,0 Current State: 30:[99, 10, 31], Operations: ['48-17=31'] Exploring Operation: 99-31=68, Resulting Numbers: [10, 68] Generated Node #0,0,0: 30:[10, 68] Operation: 99-31=68 Exploring Operation: 99-10=89, Resulting Numbers: [31, 89] Generated Node #0,0,1: 30:[31, 89] Operation: 99-10=89 Exploring Operation: 31-10=21, Resulting Numbers: [99, 21] Generated Node #0,0,2: 30:[99, 21] Operation: 31-10=21 Exploring Operation: 99+10=109, Resulting Numbers: [31, 109] Generated Node #0,0,3: 30:[31, 109] Operation: 99+10=109 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[10, 68], Operations: ['48-17=31', '99-31=68'] Exploring Operation: 10*68=680, Resulting Numbers: [680] 680,30 unequal: No Solution Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 10+68=78, Resulting Numbers: [78] 78,30 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 #0,0,1 Current State: 30:[31, 89], Operations: ['48-17=31', '99-10=89'] Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,30 unequal: No Solution Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,30 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 #0,0,2 Current State: 30:[99, 21], Operations: ['48-17=31', '31-10=21'] Exploring Operation: 99*21=2079, Resulting Numbers: [2079] 2079,30 unequal: No Solution Exploring Operation: 99-21=78, Resulting Numbers: [78] 78,30 unequal: No Solution Exploring Operation: 99+21=120, Resulting Numbers: [120] 120,30 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 #0,0,3 Current State: 30:[31, 109], Operations: ['48-17=31', '99+10=109'] Exploring Operation: 31+109=140, Resulting Numbers: [140] 140,30 unequal: No Solution Exploring Operation: 31*109=3379, Resulting Numbers: [3379] 3379,30 unequal: No Solution Exploring Operation: 109-31=78, Resulting Numbers: [78] 78,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 30:[48, 17, 89], Operations: ['99-10=89'] Exploring Operation: 48+17=65, Resulting Numbers: [89, 65] Generated Node #0,2,0: 30:[89, 65] Operation: 48+17=65 Exploring Operation: 48-17=31, Resulting Numbers: [89, 31] Generated Node #0,2,1: 30:[89, 31] Operation: 48-17=31 Exploring Operation: 89-17=72, Resulting Numbers: [48, 72] Generated Node #0,2,2: 30:[48, 72] Operation: 89-17=72 Exploring Operation: 89-48=41, Resulting Numbers: [17, 41] Generated Node #0,2,3: 30:[17, 41] Operation: 89-48=41 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[17, 41], Operations: ['99-10=89', '89-48=41'] Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,30 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,30 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:[89, 31], Operations: ['99-10=89', '48-17=31'] Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,30 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,30 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,30 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:[48, 72], Operations: ['99-10=89', '89-17=72'] Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,30 unequal: No Solution Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,30 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,30 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:[89, 65], Operations: ['99-10=89', '48+17=65'] Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,30 unequal: No Solution Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,30 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: 30:[10, 3], Operations: ['99-48=51', '51/17=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,30 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[99, 10, 48, 17], Operations: [] Exploring Operation: 99-48=51, Resulting Numbers: [10, 17, 51] Generated Node #0,1: 30:[10, 17, 51] Operation: 99-48=51 Moving to Node #0,1 Current State: 30:[10, 17, 51], Operations: ['99-48=51'] Exploring Operation: 51/17=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 30:[10, 3] Operation: 51/17=3 Moving to Node #0,1,1 Current State: 30:[10, 3], Operations: ['99-48=51', '51/17=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.955729
hs_4
sum_heuristic
[ 74, 55, 64, 30 ]
58
[ "74-64=10", "30/10=3", "55+3=58" ]
Current State: 58:[74, 55, 64, 30], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [55, 30, 10] Generated Node #2: [55, 30, 10] from Operation: 74-64=10 Current State: 58:[55, 30, 10], Operations: ['74-64=10'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #3: [55, 3] from Operation: 30/10=3 Current State: 58:[55, 3], Operations: ['74-64=10', '30/10=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[74, 55, 64, 30], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [55, 30, 10] Generated Node #0,0: 58:[55, 30, 10] Operation: 74-64=10 Exploring Operation: 74-55=19, Resulting Numbers: [64, 30, 19] Generated Node #0,1: 58:[64, 30, 19] Operation: 74-55=19 Exploring Operation: 74-30=44, Resulting Numbers: [55, 64, 44] Generated Node #0,2: 58:[55, 64, 44] Operation: 74-30=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[55, 30, 10], Operations: ['74-64=10'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #0,0,0: 58:[55, 3] Operation: 30/10=3 Exploring Operation: 55-30=25, Resulting Numbers: [10, 25] Generated Node #0,0,1: 58:[10, 25] Operation: 55-30=25 Exploring Operation: 55+10=65, Resulting Numbers: [30, 65] Generated Node #0,0,2: 58:[30, 65] Operation: 55+10=65 Moving to Node #0,0,0 Current State: 58:[55, 3], Operations: ['74-64=10', '30/10=3'] Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,58 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[74, 55, 64, 30], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [55, 30, 10] Generated Node #0,0: 58:[55, 30, 10] Operation: 74-64=10 Moving to Node #0,0 Current State: 58:[55, 30, 10], Operations: ['74-64=10'] Exploring Operation: 30/10=3, Resulting Numbers: [55, 3] Generated Node #0,0,0: 58:[55, 3] Operation: 30/10=3 Moving to Node #0,0,0 Current State: 58:[55, 3], Operations: ['74-64=10', '30/10=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 42, 19, 77, 35 ]
34
[ "19*77=1463", "1463-35=1428", "1428/42=34" ]
Current State: 34:[42, 19, 77, 35], Operations: [] Exploring Operation: 19*77=1463, Resulting Numbers: [42, 35, 1463] Generated Node #2: [42, 35, 1463] from Operation: 19*77=1463 Current State: 34:[42, 35, 1463], Operations: ['19*77=1463'] Exploring Operation: 1463-35=1428, Resulting Numbers: [42, 1428] Generated Node #3: [42, 1428] from Operation: 1463-35=1428 Current State: 34:[42, 1428], Operations: ['19*77=1463', '1463-35=1428'] Exploring Operation: 1428/42=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[42, 19, 77, 35], Operations: [] Exploring Operation: 77-19=58, Resulting Numbers: [42, 35, 58] Generated Node #0,0: 34:[42, 35, 58] Operation: 77-19=58 Exploring Operation: 77-42=35, Resulting Numbers: [19, 35, 35] Generated Node #0,1: 34:[19, 35, 35] Operation: 77-42=35 Exploring Operation: 77-35=42, Resulting Numbers: [42, 19, 42] Generated Node #0,2: 34:[42, 19, 42] Operation: 77-35=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[19, 35, 35], Operations: ['77-42=35'] Exploring Operation: 35-19=16, Resulting Numbers: [35, 16] Generated Node #0,1,0: 34:[35, 16] Operation: 35-19=16 Exploring Operation: 35-19=16, Resulting Numbers: [35, 16] Generated Node #0,1,1: 34:[35, 16] Operation: 35-19=16 Exploring Operation: 35/35=1, Resulting Numbers: [19, 1] Generated Node #0,1,2: 34:[19, 1] Operation: 35/35=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[35, 16], Operations: ['77-42=35', '35-19=16'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[35, 16], Operations: ['77-42=35', '35-19=16'] Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,34 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[19, 1], Operations: ['77-42=35', '35/35=1'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[42, 19, 42], Operations: ['77-35=42'] Exploring Operation: 42-42=0, Resulting Numbers: [19, 0] Generated Node #0,2,0: 34:[19, 0] Operation: 42-42=0 Exploring Operation: 42/42=1, Resulting Numbers: [19, 1] Generated Node #0,2,1: 34:[19, 1] Operation: 42/42=1 Exploring Operation: 42-19=23, Resulting Numbers: [42, 23] Generated Node #0,2,2: 34:[42, 23] Operation: 42-19=23 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[19, 1], Operations: ['77-35=42', '42/42=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[19, 0], Operations: ['77-35=42', '42-42=0'] Exploring Operation: 19-0=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 19*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 34:[42, 23], Operations: ['77-35=42', '42-19=23'] Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,34 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[42, 35, 58], Operations: ['77-19=58'] Exploring Operation: 42-35=7, Resulting Numbers: [58, 7] Generated Node #0,0,0: 34:[58, 7] Operation: 42-35=7 Exploring Operation: 58-35=23, Resulting Numbers: [42, 23] Generated Node #0,0,1: 34:[42, 23] Operation: 58-35=23 Exploring Operation: 58-42=16, Resulting Numbers: [35, 16] Generated Node #0,0,2: 34:[35, 16] Operation: 58-42=16 Moving to Node #0,0,2 Current State: 34:[35, 16], Operations: ['77-19=58', '58-42=16'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[42, 23], Operations: ['77-19=58', '58-35=23'] Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,34 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[58, 7], Operations: ['77-19=58', '42-35=7'] Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,34 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 21, 4, 72, 89 ]
86
[ "89-21=68", "72/4=18", "68+18=86" ]
Current State: 86:[21, 4, 72, 89], Operations: [] Exploring Operation: 89-21=68, Resulting Numbers: [4, 72, 68] Generated Node #2: [4, 72, 68] from Operation: 89-21=68 Current State: 86:[4, 72, 68], Operations: ['89-21=68'] Exploring Operation: 72/4=18, Resulting Numbers: [68, 18] Generated Node #3: [68, 18] from Operation: 72/4=18 Current State: 86:[68, 18], Operations: ['89-21=68', '72/4=18'] Exploring Operation: 68+18=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[21, 4, 72, 89], Operations: [] Exploring Operation: 21+72=93, Resulting Numbers: [4, 89, 93] Generated Node #0,0: 86:[4, 89, 93] Operation: 21+72=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[4, 89, 93], Operations: ['21+72=93'] Exploring Operation: 93-89=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 86:[4, 4] Operation: 93-89=4 Moving to Node #0,0,0 Current State: 86:[4, 4], Operations: ['21+72=93', '93-89=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 17, 1, 61 ]
34
[ "9+17=26", "61-1=60", "60-26=34" ]
Current State: 34:[9, 17, 1, 61], Operations: [] Exploring Operation: 9+17=26, Resulting Numbers: [1, 61, 26] Generated Node #2: [1, 61, 26] from Operation: 9+17=26 Current State: 34:[1, 61, 26], Operations: ['9+17=26'] Exploring Operation: 61-1=60, Resulting Numbers: [26, 60] Generated Node #3: [26, 60] from Operation: 61-1=60 Current State: 34:[26, 60], Operations: ['9+17=26', '61-1=60'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[9, 17, 1, 61], Operations: [] Exploring Operation: 61-17=44, Resulting Numbers: [9, 1, 44] Generated Node #0,0: 34:[9, 1, 44] Operation: 61-17=44 Exploring Operation: 61-9=52, Resulting Numbers: [17, 1, 52] Generated Node #0,1: 34:[17, 1, 52] Operation: 61-9=52 Exploring Operation: 9-1=8, Resulting Numbers: [17, 61, 8] Generated Node #0,2: 34:[17, 61, 8] Operation: 9-1=8 Exploring Operation: 61-1=60, Resulting Numbers: [9, 17, 60] Generated Node #0,3: 34:[9, 17, 60] Operation: 61-1=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[9, 1, 44], Operations: ['61-17=44'] Exploring Operation: 9-1=8, Resulting Numbers: [44, 8] Generated Node #0,0,0: 34:[44, 8] Operation: 9-1=8 Exploring Operation: 44-1=43, Resulting Numbers: [9, 43] Generated Node #0,0,1: 34:[9, 43] Operation: 44-1=43 Exploring Operation: 9+1=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 34:[44, 10] Operation: 9+1=10 Exploring Operation: 44-9=35, Resulting Numbers: [1, 35] Generated Node #0,0,3: 34:[1, 35] Operation: 44-9=35 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[1, 35], Operations: ['61-17=44', '44-9=35'] Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[9, 17, 1, 61], Operations: [] Exploring Operation: 61-17=44, Resulting Numbers: [9, 1, 44] Generated Node #0,0: 34:[9, 1, 44] Operation: 61-17=44 Moving to Node #0,0 Current State: 34:[9, 1, 44], Operations: ['61-17=44'] Exploring Operation: 44-9=35, Resulting Numbers: [1, 35] Generated Node #0,0,3: 34:[1, 35] Operation: 44-9=35 Moving to Node #0,0,3 Current State: 34:[1, 35], Operations: ['61-17=44', '44-9=35'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 49, 9, 15, 81 ]
73
[ "49+15=64", "81/9=9", "64+9=73" ]
Current State: 73:[49, 9, 15, 81], Operations: [] Exploring Operation: 49+15=64, Resulting Numbers: [9, 81, 64] Generated Node #2: [9, 81, 64] from Operation: 49+15=64 Current State: 73:[9, 81, 64], Operations: ['49+15=64'] Exploring Operation: 81/9=9, Resulting Numbers: [64, 9] Generated Node #3: [64, 9] from Operation: 81/9=9 Current State: 73:[64, 9], Operations: ['49+15=64', '81/9=9'] Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[49, 9, 15, 81], Operations: [] Exploring Operation: 49+9=58, Resulting Numbers: [15, 81, 58] Generated Node #0,0: 73:[15, 81, 58] Operation: 49+9=58 Exploring Operation: 49+15=64, Resulting Numbers: [9, 81, 64] Generated Node #0,1: 73:[9, 81, 64] Operation: 49+15=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[15, 81, 58], Operations: ['49+9=58'] Exploring Operation: 81-15=66, Resulting Numbers: [58, 66] Generated Node #0,0,0: 73:[58, 66] Operation: 81-15=66 Exploring Operation: 15+58=73, Resulting Numbers: [81, 73] Generated Node #0,0,1: 73:[81, 73] Operation: 15+58=73 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[81, 73], Operations: ['49+9=58', '15+58=73'] Exploring Operation: 81+73=154, Resulting Numbers: [154] 154,73 unequal: No Solution Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[58, 66], Operations: ['49+9=58', '81-15=66'] Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,73 unequal: No Solution Exploring Operation: 58+66=124, Resulting Numbers: [124] 124,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[9, 81, 64], Operations: ['49+15=64'] Exploring Operation: 81-9=72, Resulting Numbers: [64, 72] Generated Node #0,1,0: 73:[64, 72] Operation: 81-9=72 Exploring Operation: 9+64=73, Resulting Numbers: [81, 73] Generated Node #0,1,1: 73:[81, 73] Operation: 9+64=73 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[81, 73], Operations: ['49+15=64', '9+64=73'] Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,73 unequal: No Solution Exploring Operation: 81+73=154, Resulting Numbers: [154] 154,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 73:[64, 72], Operations: ['49+15=64', '81-9=72'] Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,73 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 5, 3, 23, 17 ]
55
[ "5*3=15", "23+17=40", "15+40=55" ]
Current State: 55:[5, 3, 23, 17], Operations: [] Exploring Operation: 5*3=15, Resulting Numbers: [23, 17, 15] Generated Node #2: [23, 17, 15] from Operation: 5*3=15 Current State: 55:[23, 17, 15], Operations: ['5*3=15'] Exploring Operation: 23+17=40, Resulting Numbers: [15, 40] Generated Node #3: [15, 40] from Operation: 23+17=40 Current State: 55:[15, 40], Operations: ['5*3=15', '23+17=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[5, 3, 23, 17], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [5, 3, 6] Generated Node #0,0: 55:[5, 3, 6] Operation: 23-17=6 Exploring Operation: 17-5=12, Resulting Numbers: [3, 23, 12] Generated Node #0,1: 55:[3, 23, 12] Operation: 17-5=12 Exploring Operation: 23-5=18, Resulting Numbers: [3, 17, 18] Generated Node #0,2: 55:[3, 17, 18] Operation: 23-5=18 Moving to Node #0,0 Current State: 55:[5, 3, 6], Operations: ['23-17=6'] Exploring Operation: 5+6=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 55:[3, 11] Operation: 5+6=11 Exploring Operation: 3+6=9, Resulting Numbers: [5, 9] Generated Node #0,0,1: 55:[5, 9] Operation: 3+6=9 Exploring Operation: 6-3=3, Resulting Numbers: [5, 3] Generated Node #0,0,2: 55:[5, 3] Operation: 6-3=3 Moving to Node #0,1 Current State: 55:[3, 23, 12], Operations: ['17-5=12'] Exploring Operation: 12/3=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 55:[23, 4] Operation: 12/3=4 Exploring Operation: 23-3=20, Resulting Numbers: [12, 20] Generated Node #0,1,1: 55:[12, 20] Operation: 23-3=20 Exploring Operation: 23-12=11, Resulting Numbers: [3, 11] Generated Node #0,1,2: 55:[3, 11] Operation: 23-12=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[3, 11], Operations: ['17-5=12', '23-12=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 55:[12, 20], Operations: ['17-5=12', '23-3=20'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,55 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 55:[23, 4], Operations: ['17-5=12', '12/3=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,55 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: 55:[3, 17, 18], Operations: ['23-5=18'] Exploring Operation: 18-17=1, Resulting Numbers: [3, 1] Generated Node #0,2,0: 55:[3, 1] Operation: 18-17=1 Exploring Operation: 3*18=54, Resulting Numbers: [17, 54] Generated Node #0,2,1: 55:[17, 54] Operation: 3*18=54 Exploring Operation: 18/3=6, Resulting Numbers: [17, 6] Generated Node #0,2,2: 55:[17, 6] Operation: 18/3=6 Moving to Node #0,0,0 Current State: 55:[3, 11], Operations: ['23-17=6', '5+6=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,55 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[5, 3], Operations: ['23-17=6', '6-3=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[5, 9], Operations: ['23-17=6', '3+6=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[3, 1], Operations: ['23-5=18', '18-17=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[17, 54], Operations: ['23-5=18', '3*18=54'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,55 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[17, 6], Operations: ['23-5=18', '18/3=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,55 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 4, 18, 29, 38 ]
61
[ "29*38=1102", "1102-4=1098", "1098/18=61" ]
Current State: 61:[4, 18, 29, 38], Operations: [] Exploring Operation: 29*38=1102, Resulting Numbers: [4, 18, 1102] Generated Node #2: [4, 18, 1102] from Operation: 29*38=1102 Current State: 61:[4, 18, 1102], Operations: ['29*38=1102'] Exploring Operation: 1102-4=1098, Resulting Numbers: [18, 1098] Generated Node #3: [18, 1098] from Operation: 1102-4=1098 Current State: 61:[18, 1098], Operations: ['29*38=1102', '1102-4=1098'] Exploring Operation: 1098/18=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[4, 18, 29, 38], Operations: [] Exploring Operation: 4+18=22, Resulting Numbers: [29, 38, 22] Generated Node #0,0: 61:[29, 38, 22] Operation: 4+18=22 Exploring Operation: 4*18=72, Resulting Numbers: [29, 38, 72] Generated Node #0,1: 61:[29, 38, 72] Operation: 4*18=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[29, 38, 72], Operations: ['4*18=72'] Exploring Operation: 29+38=67, Resulting Numbers: [72, 67] Generated Node #0,1,0: 61:[72, 67] Operation: 29+38=67 Exploring Operation: 72-29=43, Resulting Numbers: [38, 43] Generated Node #0,1,1: 61:[38, 43] Operation: 72-29=43 Moving to Node #0,1,0 Current State: 61:[72, 67], Operations: ['4*18=72', '29+38=67'] Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 72+67=139, Resulting Numbers: [139] 139,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[38, 43], Operations: ['4*18=72', '72-29=43'] Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,61 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,61 unequal: No Solution No 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: 61:[29, 38, 22], Operations: ['4+18=22'] Exploring Operation: 38+22=60, Resulting Numbers: [29, 60] Generated Node #0,0,0: 61:[29, 60] Operation: 38+22=60 Exploring Operation: 29+22=51, Resulting Numbers: [38, 51] Generated Node #0,0,1: 61:[38, 51] Operation: 29+22=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[29, 60], Operations: ['4+18=22', '38+22=60'] Exploring Operation: 29+60=89, Resulting Numbers: [89] 89,61 unequal: No Solution Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,61 unequal: No Solution No 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: 61:[38, 51], Operations: ['4+18=22', '29+22=51'] Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,61 unequal: No Solution Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,61 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_2
mult_heuristic
[ 32, 67, 79, 5 ]
72
[ "67-32=35", "35/5=7", "79-7=72" ]
Current State: 72:[32, 67, 79, 5], Operations: [] Exploring Operation: 67-32=35, Resulting Numbers: [79, 5, 35] Generated Node #2: [79, 5, 35] from Operation: 67-32=35 Current State: 72:[79, 5, 35], Operations: ['67-32=35'] Exploring Operation: 35/5=7, Resulting Numbers: [79, 7] Generated Node #3: [79, 7] from Operation: 35/5=7 Current State: 72:[79, 7], Operations: ['67-32=35', '35/5=7'] Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[32, 67, 79, 5], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [32, 5, 12] Generated Node #0,0: 72:[32, 5, 12] Operation: 79-67=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[32, 5, 12], Operations: ['79-67=12'] Exploring Operation: 32+5=37, Resulting Numbers: [12, 37] Generated Node #0,0,0: 72:[12, 37] Operation: 32+5=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[12, 37], Operations: ['79-67=12', '32+5=37'] Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,72 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
[ 62, 60, 2, 27 ]
52
[ "62-60=2", "2*27=54", "54-2=52" ]
Current State: 52:[62, 60, 2, 27], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [2, 27, 2] Generated Node #2: [2, 27, 2] from Operation: 62-60=2 Current State: 52:[2, 27, 2], Operations: ['62-60=2'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,52 equal: Goal Reached Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[62, 60, 2, 27], Operations: [] Exploring Operation: 62-60=2, Resulting Numbers: [2, 27, 2] Generated Node #0,0: 52:[2, 27, 2] Operation: 62-60=2 Exploring Operation: 62/2=31, Resulting Numbers: [60, 27, 31] Generated Node #0,1: 52:[60, 27, 31] Operation: 62/2=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[2, 27, 2], Operations: ['62-60=2'] Exploring Operation: 2+2=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 52:[27, 4] Operation: 2+2=4 Exploring Operation: 27-2=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 52:[2, 25] Operation: 27-2=25 Moving to Node #0,0,0 Current State: 52:[27, 4], Operations: ['62-60=2', '2+2=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,52 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[2, 25], Operations: ['62-60=2', '27-2=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[60, 27, 31], Operations: ['62/2=31'] Exploring Operation: 60-31=29, Resulting Numbers: [27, 29] Generated Node #0,1,0: 52:[27, 29] Operation: 60-31=29 Exploring Operation: 31-27=4, Resulting Numbers: [60, 4] Generated Node #0,1,1: 52:[60, 4] Operation: 31-27=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[27, 29], Operations: ['62/2=31', '60-31=29'] Exploring Operation: 27+29=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[60, 4], Operations: ['62/2=31', '31-27=4'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 43, 36, 49, 86 ]
42
[ "43+36=79", "86-49=37", "79-37=42" ]
Current State: 42:[43, 36, 49, 86], Operations: [] Exploring Operation: 43+36=79, Resulting Numbers: [49, 86, 79] Generated Node #2: [49, 86, 79] from Operation: 43+36=79 Current State: 42:[49, 86, 79], Operations: ['43+36=79'] Exploring Operation: 86-49=37, Resulting Numbers: [79, 37] Generated Node #3: [79, 37] from Operation: 86-49=37 Current State: 42:[79, 37], Operations: ['43+36=79', '86-49=37'] Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[43, 36, 49, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [36, 49, 2] Generated Node #0,0: 42:[36, 49, 2] Operation: 86/43=2 Exploring Operation: 86-49=37, Resulting Numbers: [43, 36, 37] Generated Node #0,1: 42:[43, 36, 37] Operation: 86-49=37 Moving to Node #0,1 Current State: 42:[43, 36, 37], Operations: ['86-49=37'] Exploring Operation: 37-36=1, Resulting Numbers: [43, 1] Generated Node #0,1,0: 42:[43, 1] Operation: 37-36=1 Exploring Operation: 43-36=7, Resulting Numbers: [37, 7] Generated Node #0,1,1: 42:[37, 7] Operation: 43-36=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[43, 1], Operations: ['86-49=37', '37-36=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[43, 36, 49, 86], Operations: [] Exploring Operation: 86-49=37, Resulting Numbers: [43, 36, 37] Generated Node #0,1: 42:[43, 36, 37] Operation: 86-49=37 Moving to Node #0,1 Current State: 42:[43, 36, 37], Operations: ['86-49=37'] Exploring Operation: 37-36=1, Resulting Numbers: [43, 1] Generated Node #0,1,0: 42:[43, 1] Operation: 37-36=1 Moving to Node #0,1,0 Current State: 42:[43, 1], Operations: ['86-49=37', '37-36=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic