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
[ 86, 11, 46, 2 ]
17
[ "86-11=75", "46*2=92", "92-75=17" ]
Current State: 17:[86, 11, 46, 2], Operations: [] Exploring Operation: 86-11=75, Resulting Numbers: [46, 2, 75] Generated Node #2: [46, 2, 75] from Operation: 86-11=75 Current State: 17:[46, 2, 75], Operations: ['86-11=75'] Exploring Operation: 46*2=92, Resulting Numbers: [75, 92] Generated Node #3: [75, 92] from Operation: 46*2=92 Current State: 17:[75, 92], Operations: ['86-11=75', '46*2=92'] Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[86, 11, 46, 2], Operations: [] Exploring Operation: 46/2=23, Resulting Numbers: [86, 11, 23] Generated Node #0,0: 17:[86, 11, 23] Operation: 46/2=23 Exploring Operation: 86-46=40, Resulting Numbers: [11, 2, 40] Generated Node #0,1: 17:[11, 2, 40] Operation: 86-46=40 Exploring Operation: 86/2=43, Resulting Numbers: [11, 46, 43] Generated Node #0,2: 17:[11, 46, 43] Operation: 86/2=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[11, 2, 40], Operations: ['86-46=40'] Exploring Operation: 40-11=29, Resulting Numbers: [2, 29] Generated Node #0,1,0: 17:[2, 29] Operation: 40-11=29 Exploring Operation: 11+2=13, Resulting Numbers: [40, 13] Generated Node #0,1,1: 17:[40, 13] Operation: 11+2=13 Exploring Operation: 40/2=20, Resulting Numbers: [11, 20] Generated Node #0,1,2: 17:[11, 20] Operation: 40/2=20 Moving to Node #0,1,2 Current State: 17:[11, 20], Operations: ['86-46=40', '40/2=20'] Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,17 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[2, 29], Operations: ['86-46=40', '40-11=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,17 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[40, 13], Operations: ['86-46=40', '11+2=13'] Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,17 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[11, 46, 43], Operations: ['86/2=43'] Exploring Operation: 43-11=32, Resulting Numbers: [46, 32] Generated Node #0,2,0: 17:[46, 32] Operation: 43-11=32 Exploring Operation: 46-11=35, Resulting Numbers: [43, 35] Generated Node #0,2,1: 17:[43, 35] Operation: 46-11=35 Exploring Operation: 46-43=3, Resulting Numbers: [11, 3] Generated Node #0,2,2: 17:[11, 3] Operation: 46-43=3 Moving to Node #0,2,2 Current State: 17:[11, 3], Operations: ['86/2=43', '46-43=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,17 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[46, 32], Operations: ['86/2=43', '43-11=32'] Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,17 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[43, 35], Operations: ['86/2=43', '46-11=35'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 43+35=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 43*35=1505, Resulting Numbers: [1505] 1505,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[86, 11, 23], Operations: ['46/2=23'] Exploring Operation: 86-11=75, Resulting Numbers: [23, 75] Generated Node #0,0,0: 17:[23, 75] Operation: 86-11=75 Exploring Operation: 86-23=63, Resulting Numbers: [11, 63] Generated Node #0,0,1: 17:[11, 63] Operation: 86-23=63 Exploring Operation: 23-11=12, Resulting Numbers: [86, 12] Generated Node #0,0,2: 17:[86, 12] Operation: 23-11=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[11, 63], Operations: ['46/2=23', '86-23=63'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 11*63=693, Resulting Numbers: [693] 693,17 unequal: No Solution Exploring Operation: 11+63=74, Resulting Numbers: [74] 74,17 unequal: No Solution No 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: 17:[23, 75], Operations: ['46/2=23', '86-11=75'] Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,17 unequal: No Solution Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,17 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,17 unequal: No Solution No 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: 17:[86, 12], Operations: ['46/2=23', '23-11=12'] Exploring Operation: 86*12=1032, Resulting Numbers: [1032] 1032,17 unequal: No Solution Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,17 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
[ 15, 23, 32, 68 ]
96
[ "68-23=45", "45/15=3", "32*3=96" ]
Current State: 96:[15, 23, 32, 68], Operations: [] Exploring Operation: 68-23=45, Resulting Numbers: [15, 32, 45] Generated Node #2: [15, 32, 45] from Operation: 68-23=45 Current State: 96:[15, 32, 45], Operations: ['68-23=45'] Exploring Operation: 45/15=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 45/15=3 Current State: 96:[32, 3], Operations: ['68-23=45', '45/15=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[15, 23, 32, 68], Operations: [] Exploring Operation: 68-32=36, Resulting Numbers: [15, 23, 36] Generated Node #0,0: 96:[15, 23, 36] Operation: 68-32=36 Exploring Operation: 32+68=100, Resulting Numbers: [15, 23, 100] Generated Node #0,1: 96:[15, 23, 100] Operation: 32+68=100 Exploring Operation: 68-15=53, Resulting Numbers: [23, 32, 53] Generated Node #0,2: 96:[23, 32, 53] Operation: 68-15=53 Exploring Operation: 68-23=45, Resulting Numbers: [15, 32, 45] Generated Node #0,3: 96:[15, 32, 45] Operation: 68-23=45 Exploring Operation: 23+68=91, Resulting Numbers: [15, 32, 91] Generated Node #0,4: 96:[15, 32, 91] Operation: 23+68=91 Moving to Node #0,3 Current State: 96:[15, 32, 45], Operations: ['68-23=45'] Exploring Operation: 32-15=17, Resulting Numbers: [45, 17] Generated Node #0,3,0: 96:[45, 17] Operation: 32-15=17 Exploring Operation: 45/15=3, Resulting Numbers: [32, 3] Generated Node #0,3,1: 96:[32, 3] Operation: 45/15=3 Exploring Operation: 45-15=30, Resulting Numbers: [32, 30] Generated Node #0,3,2: 96:[32, 30] Operation: 45-15=30 Exploring Operation: 45-32=13, Resulting Numbers: [15, 13] Generated Node #0,3,3: 96:[15, 13] Operation: 45-32=13 Exploring Operation: 15+32=47, Resulting Numbers: [45, 47] Generated Node #0,3,4: 96:[45, 47] Operation: 15+32=47 Moving to Node #0,1 Current State: 96:[15, 23, 100], Operations: ['32+68=100'] Exploring Operation: 15+100=115, Resulting Numbers: [23, 115] Generated Node #0,1,0: 96:[23, 115] Operation: 15+100=115 Exploring Operation: 23-15=8, Resulting Numbers: [100, 8] Generated Node #0,1,1: 96:[100, 8] Operation: 23-15=8 Exploring Operation: 15+23=38, Resulting Numbers: [100, 38] Generated Node #0,1,2: 96:[100, 38] Operation: 15+23=38 Exploring Operation: 100-23=77, Resulting Numbers: [15, 77] Generated Node #0,1,3: 96:[15, 77] Operation: 100-23=77 Exploring Operation: 100-15=85, Resulting Numbers: [23, 85] Generated Node #0,1,4: 96:[23, 85] Operation: 100-15=85 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[100, 8], Operations: ['32+68=100', '23-15=8'] Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,96 unequal: No Solution Exploring Operation: 100+8=108, Resulting Numbers: [108] 108,96 unequal: No Solution Exploring Operation: 100*8=800, Resulting Numbers: [800] 800,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[100, 38], Operations: ['32+68=100', '15+23=38'] Exploring Operation: 100*38=3800, Resulting Numbers: [3800] 3800,96 unequal: No Solution Exploring Operation: 100-38=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 100+38=138, Resulting Numbers: [138] 138,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 96:[23, 85], Operations: ['32+68=100', '100-15=85'] Exploring Operation: 23+85=108, Resulting Numbers: [108] 108,96 unequal: No Solution Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 23*85=1955, Resulting Numbers: [1955] 1955,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[23, 115], Operations: ['32+68=100', '15+100=115'] Exploring Operation: 115/23=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 23+115=138, Resulting Numbers: [138] 138,96 unequal: No Solution Exploring Operation: 115-23=92, Resulting Numbers: [92] 92,96 unequal: No Solution Exploring Operation: 23*115=2645, Resulting Numbers: [2645] 2645,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 96:[15, 77], Operations: ['32+68=100', '100-23=77'] Exploring Operation: 15*77=1155, Resulting Numbers: [1155] 1155,96 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,96 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: 96:[15, 32, 91], Operations: ['23+68=91'] Exploring Operation: 15+91=106, Resulting Numbers: [32, 106] Generated Node #0,4,0: 96:[32, 106] Operation: 15+91=106 Exploring Operation: 32-15=17, Resulting Numbers: [91, 17] Generated Node #0,4,1: 96:[91, 17] Operation: 32-15=17 Exploring Operation: 91-15=76, Resulting Numbers: [32, 76] Generated Node #0,4,2: 96:[32, 76] Operation: 91-15=76 Exploring Operation: 15+32=47, Resulting Numbers: [91, 47] Generated Node #0,4,3: 96:[91, 47] Operation: 15+32=47 Exploring Operation: 91-32=59, Resulting Numbers: [15, 59] Generated Node #0,4,4: 96:[15, 59] Operation: 91-32=59 Moving to Node #0,0 Current State: 96:[15, 23, 36], Operations: ['68-32=36'] Exploring Operation: 15+36=51, Resulting Numbers: [23, 51] Generated Node #0,0,0: 96:[23, 51] Operation: 15+36=51 Exploring Operation: 36-15=21, Resulting Numbers: [23, 21] Generated Node #0,0,1: 96:[23, 21] Operation: 36-15=21 Exploring Operation: 15+23=38, Resulting Numbers: [36, 38] Generated Node #0,0,2: 96:[36, 38] Operation: 15+23=38 Exploring Operation: 36-23=13, Resulting Numbers: [15, 13] Generated Node #0,0,3: 96:[15, 13] Operation: 36-23=13 Exploring Operation: 23-15=8, Resulting Numbers: [36, 8] Generated Node #0,0,4: 96:[36, 8] Operation: 23-15=8 Moving to Node #0,2 Current State: 96:[23, 32, 53], Operations: ['68-15=53'] Exploring Operation: 32-23=9, Resulting Numbers: [53, 9] Generated Node #0,2,0: 96:[53, 9] Operation: 32-23=9 Exploring Operation: 23+32=55, Resulting Numbers: [53, 55] Generated Node #0,2,1: 96:[53, 55] Operation: 23+32=55 Exploring Operation: 53-32=21, Resulting Numbers: [23, 21] Generated Node #0,2,2: 96:[23, 21] Operation: 53-32=21 Exploring Operation: 53-23=30, Resulting Numbers: [32, 30] Generated Node #0,2,3: 96:[32, 30] Operation: 53-23=30 Exploring Operation: 32+53=85, Resulting Numbers: [23, 85] Generated Node #0,2,4: 96:[23, 85] Operation: 32+53=85 Moving to Node #0,3,1 Current State: 96:[32, 3], Operations: ['68-23=45', '45/15=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,96 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[15, 23, 32, 68], Operations: [] Exploring Operation: 68-23=45, Resulting Numbers: [15, 32, 45] Generated Node #0,3: 96:[15, 32, 45] Operation: 68-23=45 Moving to Node #0,3 Current State: 96:[15, 32, 45], Operations: ['68-23=45'] Exploring Operation: 45/15=3, Resulting Numbers: [32, 3] Generated Node #0,3,1: 96:[32, 3] Operation: 45/15=3 Moving to Node #0,3,1 Current State: 96:[32, 3], Operations: ['68-23=45', '45/15=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 89, 70, 60, 91 ]
40
[ "91-89=2", "60/2=30", "70-30=40" ]
Current State: 40:[89, 70, 60, 91], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [70, 60, 2] Generated Node #2: [70, 60, 2] from Operation: 91-89=2 Current State: 40:[70, 60, 2], Operations: ['91-89=2'] Exploring Operation: 60/2=30, Resulting Numbers: [70, 30] Generated Node #3: [70, 30] from Operation: 60/2=30 Current State: 40:[70, 30], Operations: ['91-89=2', '60/2=30'] Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[89, 70, 60, 91], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [70, 60, 2] Generated Node #0,0: 40:[70, 60, 2] Operation: 91-89=2 Exploring Operation: 91-70=21, Resulting Numbers: [89, 60, 21] Generated Node #0,1: 40:[89, 60, 21] Operation: 91-70=21 Moving to Node #0,0 Current State: 40:[70, 60, 2], Operations: ['91-89=2'] Exploring Operation: 70-60=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 40:[2, 10] Operation: 70-60=10 Exploring Operation: 70/2=35, Resulting Numbers: [60, 35] Generated Node #0,0,1: 40:[60, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[2, 10], Operations: ['91-89=2', '70-60=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[60, 35], Operations: ['91-89=2', '70/2=35'] Exploring Operation: 60+35=95, Resulting Numbers: [95] 95,40 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,40 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: 40:[89, 60, 21], Operations: ['91-70=21'] Exploring Operation: 89-60=29, Resulting Numbers: [21, 29] Generated Node #0,1,0: 40:[21, 29] Operation: 89-60=29 Exploring Operation: 89-21=68, Resulting Numbers: [60, 68] Generated Node #0,1,1: 40:[60, 68] Operation: 89-21=68 Moving to Node #0,1,0 Current State: 40:[21, 29], Operations: ['91-70=21', '89-60=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[60, 68], Operations: ['91-70=21', '89-21=68'] Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,40 unequal: No Solution Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,40 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 99, 31, 97, 39 ]
26
[ "97-31=66", "39*66=2574", "2574/99=26" ]
Current State: 26:[99, 31, 97, 39], Operations: [] Exploring Operation: 97-31=66, Resulting Numbers: [99, 39, 66] Generated Node #2: [99, 39, 66] from Operation: 97-31=66 Current State: 26:[99, 39, 66], Operations: ['97-31=66'] Exploring Operation: 39*66=2574, Resulting Numbers: [99, 2574] Generated Node #3: [99, 2574] from Operation: 39*66=2574 Current State: 26:[99, 2574], Operations: ['97-31=66', '39*66=2574'] Exploring Operation: 2574/99=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[99, 31, 97, 39], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [31, 39, 2] Generated Node #0,0: 26:[31, 39, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 26:[31, 39, 2], Operations: ['99-97=2'] Exploring Operation: 39-31=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 26:[2, 8] Operation: 39-31=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[2, 8], Operations: ['99-97=2', '39-31=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,26 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
[ 59, 7, 27, 4 ]
43
[ "59+7=66", "27-4=23", "66-23=43" ]
Current State: 43:[59, 7, 27, 4], Operations: [] Exploring Operation: 59+7=66, Resulting Numbers: [27, 4, 66] Generated Node #2: [27, 4, 66] from Operation: 59+7=66 Current State: 43:[27, 4, 66], Operations: ['59+7=66'] Exploring Operation: 27-4=23, Resulting Numbers: [66, 23] Generated Node #3: [66, 23] from Operation: 27-4=23 Current State: 43:[66, 23], Operations: ['59+7=66', '27-4=23'] Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[59, 7, 27, 4], Operations: [] Exploring Operation: 59-4=55, Resulting Numbers: [7, 27, 55] Generated Node #0,0: 43:[7, 27, 55] Operation: 59-4=55 Exploring Operation: 7+27=34, Resulting Numbers: [59, 4, 34] Generated Node #0,1: 43:[59, 4, 34] Operation: 7+27=34 Exploring Operation: 7*4=28, Resulting Numbers: [59, 27, 28] Generated Node #0,2: 43:[59, 27, 28] Operation: 7*4=28 Exploring Operation: 59-7=52, Resulting Numbers: [27, 4, 52] Generated Node #0,3: 43:[27, 4, 52] Operation: 59-7=52 Exploring Operation: 7+4=11, Resulting Numbers: [59, 27, 11] Generated Node #0,4: 43:[59, 27, 11] Operation: 7+4=11 Moving to Node #0,2 Current State: 43:[59, 27, 28], Operations: ['7*4=28'] Exploring Operation: 59-27=32, Resulting Numbers: [28, 32] Generated Node #0,2,0: 43:[28, 32] Operation: 59-27=32 Exploring Operation: 59+27=86, Resulting Numbers: [28, 86] Generated Node #0,2,1: 43:[28, 86] Operation: 59+27=86 Exploring Operation: 28-27=1, Resulting Numbers: [59, 1] Generated Node #0,2,2: 43:[59, 1] Operation: 28-27=1 Exploring Operation: 59-28=31, Resulting Numbers: [27, 31] Generated Node #0,2,3: 43:[27, 31] Operation: 59-28=31 Exploring Operation: 27+28=55, Resulting Numbers: [59, 55] Generated Node #0,2,4: 43:[59, 55] Operation: 27+28=55 Moving to Node #0,1 Current State: 43:[59, 4, 34], Operations: ['7+27=34'] Exploring Operation: 4+34=38, Resulting Numbers: [59, 38] Generated Node #0,1,0: 43:[59, 38] Operation: 4+34=38 Exploring Operation: 34-4=30, Resulting Numbers: [59, 30] Generated Node #0,1,1: 43:[59, 30] Operation: 34-4=30 Exploring Operation: 59+4=63, Resulting Numbers: [34, 63] Generated Node #0,1,2: 43:[34, 63] Operation: 59+4=63 Exploring Operation: 59-4=55, Resulting Numbers: [34, 55] Generated Node #0,1,3: 43:[34, 55] Operation: 59-4=55 Exploring Operation: 59-34=25, Resulting Numbers: [4, 25] Generated Node #0,1,4: 43:[4, 25] Operation: 59-34=25 Moving to Node #0,4 Current State: 43:[59, 27, 11], Operations: ['7+4=11'] Exploring Operation: 59-27=32, Resulting Numbers: [11, 32] Generated Node #0,4,0: 43:[11, 32] Operation: 59-27=32 Exploring Operation: 27-11=16, Resulting Numbers: [59, 16] Generated Node #0,4,1: 43:[59, 16] Operation: 27-11=16 Exploring Operation: 27+11=38, Resulting Numbers: [59, 38] Generated Node #0,4,2: 43:[59, 38] Operation: 27+11=38 Exploring Operation: 59-11=48, Resulting Numbers: [27, 48] Generated Node #0,4,3: 43:[27, 48] Operation: 59-11=48 Exploring Operation: 59+11=70, Resulting Numbers: [27, 70] Generated Node #0,4,4: 43:[27, 70] Operation: 59+11=70 Moving to Node #0,0 Current State: 43:[7, 27, 55], Operations: ['59-4=55'] Exploring Operation: 7+55=62, Resulting Numbers: [27, 62] Generated Node #0,0,0: 43:[27, 62] Operation: 7+55=62 Exploring Operation: 55-7=48, Resulting Numbers: [27, 48] Generated Node #0,0,1: 43:[27, 48] Operation: 55-7=48 Exploring Operation: 7+27=34, Resulting Numbers: [55, 34] Generated Node #0,0,2: 43:[55, 34] Operation: 7+27=34 Exploring Operation: 55-27=28, Resulting Numbers: [7, 28] Generated Node #0,0,3: 43:[7, 28] Operation: 55-27=28 Exploring Operation: 27-7=20, Resulting Numbers: [55, 20] Generated Node #0,0,4: 43:[55, 20] Operation: 27-7=20 Moving to Node #0,3 Current State: 43:[27, 4, 52], Operations: ['59-7=52'] Exploring Operation: 52-4=48, Resulting Numbers: [27, 48] Generated Node #0,3,0: 43:[27, 48] Operation: 52-4=48 Exploring Operation: 27+4=31, Resulting Numbers: [52, 31] Generated Node #0,3,1: 43:[52, 31] Operation: 27+4=31 Exploring Operation: 4+52=56, Resulting Numbers: [27, 56] Generated Node #0,3,2: 43:[27, 56] Operation: 4+52=56 Exploring Operation: 52/4=13, Resulting Numbers: [27, 13] Generated Node #0,3,3: 43:[27, 13] Operation: 52/4=13 Exploring Operation: 27-4=23, Resulting Numbers: [52, 23] Generated Node #0,3,4: 43:[52, 23] Operation: 27-4=23 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[27, 48], Operations: ['59-7=52', '52-4=48'] Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 27*48=1296, Resulting Numbers: [1296] 1296,43 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[52, 31], Operations: ['59-7=52', '27+4=31'] Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 52*31=1612, Resulting Numbers: [1612] 1612,43 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 43:[27, 56], Operations: ['59-7=52', '4+52=56'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 27+56=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 27*56=1512, Resulting Numbers: [1512] 1512,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 43:[52, 23], Operations: ['59-7=52', '27-4=23'] Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 43:[27, 13], Operations: ['59-7=52', '52/4=13'] Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,43 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,43 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: 43:[59, 38], Operations: ['7+27=34', '4+34=38'] Exploring Operation: 59+38=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 59*38=2242, Resulting Numbers: [2242] 2242,43 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[34, 55], Operations: ['7+27=34', '59-4=55'] Exploring Operation: 34*55=1870, Resulting Numbers: [1870] 1870,43 unequal: No Solution Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 34+55=89, Resulting Numbers: [89] 89,43 unequal: No Solution Moving to Node #0,4,3 Current State: 43:[27, 48], Operations: ['7+4=11', '59-11=48'] Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 27*48=1296, Resulting Numbers: [1296] 1296,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[59, 38], Operations: ['7+4=11', '27+11=38'] Exploring Operation: 59+38=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 59*38=2242, Resulting Numbers: [2242] 2242,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[27, 48], Operations: ['59-4=55', '55-7=48'] Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 27*48=1296, Resulting Numbers: [1296] 1296,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[55, 34], Operations: ['59-4=55', '7+27=34'] Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 55*34=1870, Resulting Numbers: [1870] 1870,43 unequal: No Solution Exploring Operation: 55+34=89, Resulting Numbers: [89] 89,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[28, 32], Operations: ['7*4=28', '59-27=32'] Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,43 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,2,4 Current State: 43:[59, 55], Operations: ['7*4=28', '27+28=55'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[27, 31], Operations: ['7*4=28', '59-28=31'] Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,43 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 27*31=837, Resulting Numbers: [837] 837,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[34, 63], Operations: ['7+27=34', '59+4=63'] Exploring Operation: 34+63=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 34*63=2142, Resulting Numbers: [2142] 2142,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[59, 30], Operations: ['7+27=34', '34-4=30'] Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,43 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[55, 20], Operations: ['59-4=55', '27-7=20'] Exploring Operation: 55+20=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 55*20=1100, Resulting Numbers: [1100] 1100,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[27, 62], Operations: ['59-4=55', '7+55=62'] Exploring Operation: 27*62=1674, Resulting Numbers: [1674] 1674,43 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[59, 16], Operations: ['7+4=11', '27-11=16'] Exploring Operation: 59*16=944, Resulting Numbers: [944] 944,43 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[59, 7, 27, 4], Operations: [] Exploring Operation: 7+4=11, Resulting Numbers: [59, 27, 11] Generated Node #0,4: 43:[59, 27, 11] Operation: 7+4=11 Moving to Node #0,4 Current State: 43:[59, 27, 11], Operations: ['7+4=11'] Exploring Operation: 27-11=16, Resulting Numbers: [59, 16] Generated Node #0,4,1: 43:[59, 16] Operation: 27-11=16 Moving to Node #0,4,1 Current State: 43:[59, 16], Operations: ['7+4=11', '27-11=16'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.921875
hs_5
sum_heuristic
[ 36, 12, 54, 29 ]
23
[ "36+12=48", "54-29=25", "48-25=23" ]
Current State: 23:[36, 12, 54, 29], Operations: [] Exploring Operation: 36+12=48, Resulting Numbers: [54, 29, 48] Generated Node #2: [54, 29, 48] from Operation: 36+12=48 Current State: 23:[54, 29, 48], Operations: ['36+12=48'] Exploring Operation: 54-29=25, Resulting Numbers: [48, 25] Generated Node #3: [48, 25] from Operation: 54-29=25 Current State: 23:[48, 25], Operations: ['36+12=48', '54-29=25'] Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[36, 12, 54, 29], Operations: [] Exploring Operation: 54-29=25, Resulting Numbers: [36, 12, 25] Generated Node #0,0: 23:[36, 12, 25] Operation: 54-29=25 Exploring Operation: 54-36=18, Resulting Numbers: [12, 29, 18] Generated Node #0,1: 23:[12, 29, 18] Operation: 54-36=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[12, 29, 18], Operations: ['54-36=18'] Exploring Operation: 29-12=17, Resulting Numbers: [18, 17] Generated Node #0,1,0: 23:[18, 17] Operation: 29-12=17 Exploring Operation: 12+18=30, Resulting Numbers: [29, 30] Generated Node #0,1,1: 23:[29, 30] Operation: 12+18=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[18, 17], Operations: ['54-36=18', '29-12=17'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[29, 30], Operations: ['54-36=18', '12+18=30'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[36, 12, 25], Operations: ['54-29=25'] Exploring Operation: 36/12=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 23:[25, 3] Operation: 36/12=3 Exploring Operation: 36-12=24, Resulting Numbers: [25, 24] Generated Node #0,0,1: 23:[25, 24] Operation: 36-12=24 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[25, 24], Operations: ['54-29=25', '36-12=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,23 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[25, 3], Operations: ['54-29=25', '36/12=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 3, 9, 60, 36 ]
67
[ "3+60=63", "36/9=4", "63+4=67" ]
Current State: 67:[3, 9, 60, 36], Operations: [] Exploring Operation: 3+60=63, Resulting Numbers: [9, 36, 63] Generated Node #2: [9, 36, 63] from Operation: 3+60=63 Current State: 67:[9, 36, 63], Operations: ['3+60=63'] Exploring Operation: 36/9=4, Resulting Numbers: [63, 4] Generated Node #3: [63, 4] from Operation: 36/9=4 Current State: 67:[63, 4], Operations: ['3+60=63', '36/9=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[3, 9, 60, 36], Operations: [] Exploring Operation: 3+9=12, Resulting Numbers: [60, 36, 12] Generated Node #0,0: 67:[60, 36, 12] Operation: 3+9=12 Exploring Operation: 3+36=39, Resulting Numbers: [9, 60, 39] Generated Node #0,1: 67:[9, 60, 39] Operation: 3+36=39 Exploring Operation: 3+60=63, Resulting Numbers: [9, 36, 63] Generated Node #0,2: 67:[9, 36, 63] Operation: 3+60=63 Exploring Operation: 3*9=27, Resulting Numbers: [60, 36, 27] Generated Node #0,3: 67:[60, 36, 27] Operation: 3*9=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[60, 36, 27], Operations: ['3*9=27'] Exploring Operation: 36+27=63, Resulting Numbers: [60, 63] Generated Node #0,3,0: 67:[60, 63] Operation: 36+27=63 Exploring Operation: 60+27=87, Resulting Numbers: [36, 87] Generated Node #0,3,1: 67:[36, 87] Operation: 60+27=87 Exploring Operation: 60-27=33, Resulting Numbers: [36, 33] Generated Node #0,3,2: 67:[36, 33] Operation: 60-27=33 Exploring Operation: 36-27=9, Resulting Numbers: [60, 9] Generated Node #0,3,3: 67:[60, 9] Operation: 36-27=9 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 67:[60, 63], Operations: ['3*9=27', '36+27=63'] Exploring Operation: 60*63=3780, Resulting Numbers: [3780] 3780,67 unequal: No Solution Exploring Operation: 60+63=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,67 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 #0,3,1 Current State: 67:[36, 87], Operations: ['3*9=27', '60+27=87'] Exploring Operation: 36*87=3132, Resulting Numbers: [3132] 3132,67 unequal: No Solution Exploring Operation: 36+87=123, Resulting Numbers: [123] 123,67 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,67 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 #0,3,2 Current State: 67:[36, 33], Operations: ['3*9=27', '60-27=33'] Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,67 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,67 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 #0,3,3 Current State: 67:[60, 9], Operations: ['3*9=27', '36-27=9'] Exploring Operation: 60+9=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 60*9=540, Resulting Numbers: [540] 540,67 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,67 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 #0,0 Current State: 67:[60, 36, 12], Operations: ['3+9=12'] Exploring Operation: 36-12=24, Resulting Numbers: [60, 24] Generated Node #0,0,0: 67:[60, 24] Operation: 36-12=24 Exploring Operation: 60+12=72, Resulting Numbers: [36, 72] Generated Node #0,0,1: 67:[36, 72] Operation: 60+12=72 Exploring Operation: 60-12=48, Resulting Numbers: [36, 48] Generated Node #0,0,2: 67:[36, 48] Operation: 60-12=48 Exploring Operation: 36+12=48, Resulting Numbers: [60, 48] Generated Node #0,0,3: 67:[60, 48] Operation: 36+12=48 Moving to Node #0,0,3 Current State: 67:[60, 48], Operations: ['3+9=12', '36+12=48'] Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[36, 72], Operations: ['3+9=12', '60+12=72'] Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,67 unequal: No Solution Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[36, 48], Operations: ['3+9=12', '60-12=48'] Exploring Operation: 48-36=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 36+48=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 36*48=1728, Resulting Numbers: [1728] 1728,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[60, 24], Operations: ['3+9=12', '36-12=24'] Exploring Operation: 60*24=1440, Resulting Numbers: [1440] 1440,67 unequal: No Solution Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[9, 60, 39], Operations: ['3+36=39'] Exploring Operation: 9+39=48, Resulting Numbers: [60, 48] Generated Node #0,1,0: 67:[60, 48] Operation: 9+39=48 Exploring Operation: 9+60=69, Resulting Numbers: [39, 69] Generated Node #0,1,1: 67:[39, 69] Operation: 9+60=69 Exploring Operation: 39-9=30, Resulting Numbers: [60, 30] Generated Node #0,1,2: 67:[60, 30] Operation: 39-9=30 Exploring Operation: 60-9=51, Resulting Numbers: [39, 51] Generated Node #0,1,3: 67:[39, 51] Operation: 60-9=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[60, 48], Operations: ['3+36=39', '9+39=48'] Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,67 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,67 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 #0,1,1 Current State: 67:[39, 69], Operations: ['3+36=39', '9+60=69'] Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,67 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,67 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 #0,1,2 Current State: 67:[60, 30], Operations: ['3+36=39', '39-9=30'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,67 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,67 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 #0,1,3 Current State: 67:[39, 51], Operations: ['3+36=39', '60-9=51'] Exploring Operation: 39*51=1989, Resulting Numbers: [1989] 1989,67 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,67 unequal: No Solution Exploring Operation: 39+51=90, Resulting Numbers: [90] 90,67 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 #0,2 Current State: 67:[9, 36, 63], Operations: ['3+60=63'] Exploring Operation: 63-9=54, Resulting Numbers: [36, 54] Generated Node #0,2,0: 67:[36, 54] Operation: 63-9=54 Exploring Operation: 9+36=45, Resulting Numbers: [63, 45] Generated Node #0,2,1: 67:[63, 45] Operation: 9+36=45 Exploring Operation: 36-9=27, Resulting Numbers: [63, 27] Generated Node #0,2,2: 67:[63, 27] Operation: 36-9=27 Exploring Operation: 9+63=72, Resulting Numbers: [36, 72] Generated Node #0,2,3: 67:[36, 72] Operation: 9+63=72 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[63, 45], Operations: ['3+60=63', '9+36=45'] Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,67 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 #0,2,3 Current State: 67:[36, 72], Operations: ['3+60=63', '9+63=72'] Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,67 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,67 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 #0,2,0 Current State: 67:[36, 54], Operations: ['3+60=63', '63-9=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,67 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,67 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 #0,2,2 Current State: 67:[63, 27], Operations: ['3+60=63', '36-9=27'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,67 unequal: No Solution Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,67 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,67 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 No solution found.
0
hs_4
mult_heuristic
[ 76, 63, 59, 5 ]
24
[ "63-59=4", "76/4=19", "5+19=24" ]
Current State: 24:[76, 63, 59, 5], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [76, 5, 4] Generated Node #2: [76, 5, 4] from Operation: 63-59=4 Current State: 24:[76, 5, 4], Operations: ['63-59=4'] Exploring Operation: 76/4=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 76/4=19 Current State: 24:[5, 19], Operations: ['63-59=4', '76/4=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[76, 63, 59, 5], Operations: [] Exploring Operation: 76-63=13, Resulting Numbers: [59, 5, 13] Generated Node #0,0: 24:[59, 5, 13] Operation: 76-63=13 Exploring Operation: 76-59=17, Resulting Numbers: [63, 5, 17] Generated Node #0,1: 24:[63, 5, 17] Operation: 76-59=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[59, 5, 13], Operations: ['76-63=13'] Exploring Operation: 59-5=54, Resulting Numbers: [13, 54] Generated Node #0,0,0: 24:[13, 54] Operation: 59-5=54 Exploring Operation: 59-13=46, Resulting Numbers: [5, 46] Generated Node #0,0,1: 24:[5, 46] Operation: 59-13=46 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[5, 46], Operations: ['76-63=13', '59-13=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,24 unequal: No Solution No 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: 24:[13, 54], Operations: ['76-63=13', '59-5=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,24 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,24 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: 24:[63, 5, 17], Operations: ['76-59=17'] Exploring Operation: 63-5=58, Resulting Numbers: [17, 58] Generated Node #0,1,0: 24:[17, 58] Operation: 63-5=58 Exploring Operation: 63-17=46, Resulting Numbers: [5, 46] Generated Node #0,1,1: 24:[5, 46] Operation: 63-17=46 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[5, 46], Operations: ['76-59=17', '63-17=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,24 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,24 unequal: No Solution No 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: 24:[17, 58], Operations: ['76-59=17', '63-5=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,24 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
[ 51, 37, 25, 54 ]
43
[ "51-37=14", "54-25=29", "14+29=43" ]
Current State: 43:[51, 37, 25, 54], Operations: [] Exploring Operation: 51-37=14, Resulting Numbers: [25, 54, 14] Generated Node #2: [25, 54, 14] from Operation: 51-37=14 Current State: 43:[25, 54, 14], Operations: ['51-37=14'] Exploring Operation: 54-25=29, Resulting Numbers: [14, 29] Generated Node #3: [14, 29] from Operation: 54-25=29 Current State: 43:[14, 29], Operations: ['51-37=14', '54-25=29'] Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[51, 37, 25, 54], Operations: [] Exploring Operation: 54-25=29, Resulting Numbers: [51, 37, 29] Generated Node #0,0: 43:[51, 37, 29] Operation: 54-25=29 Exploring Operation: 37+25=62, Resulting Numbers: [51, 54, 62] Generated Node #0,1: 43:[51, 54, 62] Operation: 37+25=62 Exploring Operation: 51-25=26, Resulting Numbers: [37, 54, 26] Generated Node #0,2: 43:[37, 54, 26] Operation: 51-25=26 Moving to Node #0,0 Current State: 43:[51, 37, 29], Operations: ['54-25=29'] Exploring Operation: 51-37=14, Resulting Numbers: [29, 14] Generated Node #0,0,0: 43:[29, 14] Operation: 51-37=14 Exploring Operation: 51-29=22, Resulting Numbers: [37, 22] Generated Node #0,0,1: 43:[37, 22] Operation: 51-29=22 Exploring Operation: 37+29=66, Resulting Numbers: [51, 66] Generated Node #0,0,2: 43:[51, 66] Operation: 37+29=66 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[37, 22], Operations: ['54-25=29', '51-29=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[51, 66], Operations: ['54-25=29', '37+29=66'] Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 51*66=3366, Resulting Numbers: [3366] 3366,43 unequal: No Solution Exploring Operation: 51+66=117, Resulting Numbers: [117] 117,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[29, 14], Operations: ['54-25=29', '51-37=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,43 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[51, 37, 25, 54], Operations: [] Exploring Operation: 54-25=29, Resulting Numbers: [51, 37, 29] Generated Node #0,0: 43:[51, 37, 29] Operation: 54-25=29 Moving to Node #0,0 Current State: 43:[51, 37, 29], Operations: ['54-25=29'] Exploring Operation: 51-37=14, Resulting Numbers: [29, 14] Generated Node #0,0,0: 43:[29, 14] Operation: 51-37=14 Moving to Node #0,0,0 Current State: 43:[29, 14], Operations: ['54-25=29', '51-37=14'] Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 66, 84, 97, 34 ]
88
[ "66*84=5544", "97-34=63", "5544/63=88" ]
Current State: 88:[66, 84, 97, 34], Operations: [] Exploring Operation: 66*84=5544, Resulting Numbers: [97, 34, 5544] Generated Node #2: [97, 34, 5544] from Operation: 66*84=5544 Current State: 88:[97, 34, 5544], Operations: ['66*84=5544'] Exploring Operation: 97-34=63, Resulting Numbers: [5544, 63] Generated Node #3: [5544, 63] from Operation: 97-34=63 Current State: 88:[5544, 63], Operations: ['66*84=5544', '97-34=63'] Exploring Operation: 5544/63=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[66, 84, 97, 34], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [84, 34, 31] Generated Node #0,0: 88:[84, 34, 31] Operation: 97-66=31 Exploring Operation: 84-66=18, Resulting Numbers: [97, 34, 18] Generated Node #0,1: 88:[97, 34, 18] Operation: 84-66=18 Moving to Node #0,0 Current State: 88:[84, 34, 31], Operations: ['97-66=31'] Exploring Operation: 34-31=3, Resulting Numbers: [84, 3] Generated Node #0,0,0: 88:[84, 3] Operation: 34-31=3 Exploring Operation: 84-34=50, Resulting Numbers: [31, 50] Generated Node #0,0,1: 88:[31, 50] Operation: 84-34=50 Moving to Node #0,1 Current State: 88:[97, 34, 18], Operations: ['84-66=18'] Exploring Operation: 34-18=16, Resulting Numbers: [97, 16] Generated Node #0,1,0: 88:[97, 16] Operation: 34-18=16 Exploring Operation: 34+18=52, Resulting Numbers: [97, 52] Generated Node #0,1,1: 88:[97, 52] Operation: 34+18=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[97, 16], Operations: ['84-66=18', '34-18=16'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 97+16=113, Resulting Numbers: [113] 113,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[97, 52], Operations: ['84-66=18', '34+18=52'] Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,88 unequal: No Solution Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,88 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: 88:[84, 3], Operations: ['97-66=31', '34-31=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,88 unequal: No Solution Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[31, 50], Operations: ['97-66=31', '84-34=50'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,88 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 20, 75, 80, 65 ]
40
[ "75-20=55", "80-65=15", "55-15=40" ]
Current State: 40:[20, 75, 80, 65], Operations: [] Exploring Operation: 75-20=55, Resulting Numbers: [80, 65, 55] Generated Node #2: [80, 65, 55] from Operation: 75-20=55 Current State: 40:[80, 65, 55], Operations: ['75-20=55'] Exploring Operation: 80-65=15, Resulting Numbers: [55, 15] Generated Node #3: [55, 15] from Operation: 80-65=15 Current State: 40:[55, 15], Operations: ['75-20=55', '80-65=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[20, 75, 80, 65], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [20, 65, 5] Generated Node #0,0: 40:[20, 65, 5] Operation: 80-75=5 Moving to Node #0,0 Current State: 40:[20, 65, 5], Operations: ['80-75=5'] Exploring Operation: 65/5=13, Resulting Numbers: [20, 13] Generated Node #0,0,0: 40:[20, 13] Operation: 65/5=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[20, 13], Operations: ['80-75=5', '65/5=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,40 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
[ 43, 71, 64, 32 ]
16
[ "71-43=28", "32-28=4", "64/4=16" ]
Current State: 16:[43, 71, 64, 32], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [64, 32, 28] Generated Node #2: [64, 32, 28] from Operation: 71-43=28 Current State: 16:[64, 32, 28], Operations: ['71-43=28'] Exploring Operation: 32-28=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 32-28=4 Current State: 16:[64, 4], Operations: ['71-43=28', '32-28=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[43, 71, 64, 32], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [64, 32, 28] Generated Node #0,0: 16:[64, 32, 28] Operation: 71-43=28 Exploring Operation: 71-32=39, Resulting Numbers: [43, 64, 39] Generated Node #0,1: 16:[43, 64, 39] Operation: 71-32=39 Exploring Operation: 64/32=2, Resulting Numbers: [43, 71, 2] Generated Node #0,2: 16:[43, 71, 2] Operation: 64/32=2 Exploring Operation: 71-64=7, Resulting Numbers: [43, 32, 7] Generated Node #0,3: 16:[43, 32, 7] Operation: 71-64=7 Exploring Operation: 64-43=21, Resulting Numbers: [71, 32, 21] Generated Node #0,4: 16:[71, 32, 21] Operation: 64-43=21 Moving to Node #0,3 Current State: 16:[43, 32, 7], Operations: ['71-64=7'] Exploring Operation: 43+7=50, Resulting Numbers: [32, 50] Generated Node #0,3,0: 16:[32, 50] Operation: 43+7=50 Exploring Operation: 32-7=25, Resulting Numbers: [43, 25] Generated Node #0,3,1: 16:[43, 25] Operation: 32-7=25 Exploring Operation: 43-7=36, Resulting Numbers: [32, 36] Generated Node #0,3,2: 16:[32, 36] Operation: 43-7=36 Exploring Operation: 43-32=11, Resulting Numbers: [7, 11] Generated Node #0,3,3: 16:[7, 11] Operation: 43-32=11 Exploring Operation: 32+7=39, Resulting Numbers: [43, 39] Generated Node #0,3,4: 16:[43, 39] Operation: 32+7=39 Moving to Node #0,4 Current State: 16:[71, 32, 21], Operations: ['64-43=21'] Exploring Operation: 71+32=103, Resulting Numbers: [21, 103] Generated Node #0,4,0: 16:[21, 103] Operation: 71+32=103 Exploring Operation: 32-21=11, Resulting Numbers: [71, 11] Generated Node #0,4,1: 16:[71, 11] Operation: 32-21=11 Exploring Operation: 71-32=39, Resulting Numbers: [21, 39] Generated Node #0,4,2: 16:[21, 39] Operation: 71-32=39 Exploring Operation: 71-21=50, Resulting Numbers: [32, 50] Generated Node #0,4,3: 16:[32, 50] Operation: 71-21=50 Exploring Operation: 71+21=92, Resulting Numbers: [32, 92] Generated Node #0,4,4: 16:[32, 92] Operation: 71+21=92 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 16:[21, 39], Operations: ['64-43=21', '71-32=39'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 21*39=819, Resulting Numbers: [819] 819,16 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 #0,4,3 Current State: 16:[32, 50], Operations: ['64-43=21', '71-21=50'] Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,16 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,16 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 #0,4,1 Current State: 16:[71, 11], Operations: ['64-43=21', '32-21=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,16 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 #0,4,0 Current State: 16:[21, 103], Operations: ['64-43=21', '71+32=103'] Exploring Operation: 21*103=2163, Resulting Numbers: [2163] 2163,16 unequal: No Solution Exploring Operation: 103-21=82, Resulting Numbers: [82] 82,16 unequal: No Solution Exploring Operation: 21+103=124, Resulting Numbers: [124] 124,16 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 #0,4,4 Current State: 16:[32, 92], Operations: ['64-43=21', '71+21=92'] Exploring Operation: 32+92=124, Resulting Numbers: [124] 124,16 unequal: No Solution Exploring Operation: 32*92=2944, Resulting Numbers: [2944] 2944,16 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,16 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:[64, 32, 28], Operations: ['71-43=28'] Exploring Operation: 64/32=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 16:[28, 2] Operation: 64/32=2 Exploring Operation: 64+32=96, Resulting Numbers: [28, 96] Generated Node #0,0,1: 16:[28, 96] Operation: 64+32=96 Exploring Operation: 64-28=36, Resulting Numbers: [32, 36] Generated Node #0,0,2: 16:[32, 36] Operation: 64-28=36 Exploring Operation: 64-32=32, Resulting Numbers: [28, 32] Generated Node #0,0,3: 16:[28, 32] Operation: 64-32=32 Exploring Operation: 32-28=4, Resulting Numbers: [64, 4] Generated Node #0,0,4: 16:[64, 4] Operation: 32-28=4 Moving to Node #0,2 Current State: 16:[43, 71, 2], Operations: ['64/32=2'] Exploring Operation: 71-2=69, Resulting Numbers: [43, 69] Generated Node #0,2,0: 16:[43, 69] Operation: 71-2=69 Exploring Operation: 43+2=45, Resulting Numbers: [71, 45] Generated Node #0,2,1: 16:[71, 45] Operation: 43+2=45 Exploring Operation: 71+2=73, Resulting Numbers: [43, 73] Generated Node #0,2,2: 16:[43, 73] Operation: 71+2=73 Exploring Operation: 43-2=41, Resulting Numbers: [71, 41] Generated Node #0,2,3: 16:[71, 41] Operation: 43-2=41 Exploring Operation: 71-43=28, Resulting Numbers: [2, 28] Generated Node #0,2,4: 16:[2, 28] Operation: 71-43=28 Moving to Node #0,1 Current State: 16:[43, 64, 39], Operations: ['71-32=39'] Exploring Operation: 64-39=25, Resulting Numbers: [43, 25] Generated Node #0,1,0: 16:[43, 25] Operation: 64-39=25 Exploring Operation: 43+39=82, Resulting Numbers: [64, 82] Generated Node #0,1,1: 16:[64, 82] Operation: 43+39=82 Exploring Operation: 64-43=21, Resulting Numbers: [39, 21] Generated Node #0,1,2: 16:[39, 21] Operation: 64-43=21 Exploring Operation: 43-39=4, Resulting Numbers: [64, 4] Generated Node #0,1,3: 16:[64, 4] Operation: 43-39=4 Exploring Operation: 43+64=107, Resulting Numbers: [39, 107] Generated Node #0,1,4: 16:[39, 107] Operation: 43+64=107 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[39, 21], Operations: ['71-32=39', '64-43=21'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,16 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[43, 25], Operations: ['71-32=39', '64-39=25'] Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,16 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[64, 4], Operations: ['71-32=39', '43-39=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 64*4=256, Resulting Numbers: [256] 256,16 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[43, 71, 64, 32], Operations: [] Exploring Operation: 71-32=39, Resulting Numbers: [43, 64, 39] Generated Node #0,1: 16:[43, 64, 39] Operation: 71-32=39 Moving to Node #0,1 Current State: 16:[43, 64, 39], Operations: ['71-32=39'] Exploring Operation: 43-39=4, Resulting Numbers: [64, 4] Generated Node #0,1,3: 16:[64, 4] Operation: 43-39=4 Moving to Node #0,1,3 Current State: 16:[64, 4], Operations: ['71-32=39', '43-39=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.948785
hs_5
sum_heuristic
[ 61, 44, 64, 27 ]
68
[ "61+44=105", "64-27=37", "105-37=68" ]
Current State: 68:[61, 44, 64, 27], Operations: [] Exploring Operation: 61+44=105, Resulting Numbers: [64, 27, 105] Generated Node #2: [64, 27, 105] from Operation: 61+44=105 Current State: 68:[64, 27, 105], Operations: ['61+44=105'] Exploring Operation: 64-27=37, Resulting Numbers: [105, 37] Generated Node #3: [105, 37] from Operation: 64-27=37 Current State: 68:[105, 37], Operations: ['61+44=105', '64-27=37'] Exploring Operation: 105-37=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[61, 44, 64, 27], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [64, 27, 17] Generated Node #0,0: 68:[64, 27, 17] Operation: 61-44=17 Exploring Operation: 44-27=17, Resulting Numbers: [61, 64, 17] Generated Node #0,1: 68:[61, 64, 17] Operation: 44-27=17 Moving to Node #0,0 Current State: 68:[64, 27, 17], Operations: ['61-44=17'] Exploring Operation: 64-27=37, Resulting Numbers: [17, 37] Generated Node #0,0,0: 68:[17, 37] Operation: 64-27=37 Exploring Operation: 27-17=10, Resulting Numbers: [64, 10] Generated Node #0,0,1: 68:[64, 10] Operation: 27-17=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[17, 37], Operations: ['61-44=17', '64-27=37'] Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 37-17=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 #0,0,1 Current State: 68:[64, 10], Operations: ['61-44=17', '27-17=10'] Exploring Operation: 64+10=74, Resulting Numbers: [74] 74,68 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 68:[61, 64, 17], Operations: ['44-27=17'] Exploring Operation: 61+17=78, Resulting Numbers: [64, 78] Generated Node #0,1,0: 68:[64, 78] Operation: 61+17=78 Exploring Operation: 64-61=3, Resulting Numbers: [17, 3] Generated Node #0,1,1: 68:[17, 3] Operation: 64-61=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[17, 3], Operations: ['44-27=17', '64-61=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,68 unequal: No Solution Exploring Operation: 17+3=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 #0,1,0 Current State: 68:[64, 78], Operations: ['44-27=17', '61+17=78'] Exploring Operation: 78-64=14, Resulting Numbers: [14] 14,68 unequal: No Solution Exploring Operation: 64+78=142, Resulting Numbers: [142] 142,68 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
[ 93, 1, 16, 28 ]
50
[ "93+1=94", "16+28=44", "94-44=50" ]
Current State: 50:[93, 1, 16, 28], Operations: [] Exploring Operation: 93+1=94, Resulting Numbers: [16, 28, 94] Generated Node #2: [16, 28, 94] from Operation: 93+1=94 Current State: 50:[16, 28, 94], Operations: ['93+1=94'] Exploring Operation: 16+28=44, Resulting Numbers: [94, 44] Generated Node #3: [94, 44] from Operation: 16+28=44 Current State: 50:[94, 44], Operations: ['93+1=94', '16+28=44'] Exploring Operation: 94-44=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[93, 1, 16, 28], Operations: [] Exploring Operation: 93-28=65, Resulting Numbers: [1, 16, 65] Generated Node #0,0: 50:[1, 16, 65] Operation: 93-28=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[1, 16, 65], Operations: ['93-28=65'] Exploring Operation: 65-16=49, Resulting Numbers: [1, 49] Generated Node #0,0,0: 50:[1, 49] Operation: 65-16=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[1, 49], Operations: ['93-28=65', '65-16=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[93, 1, 16, 28], Operations: [] Exploring Operation: 93-28=65, Resulting Numbers: [1, 16, 65] Generated Node #0,0: 50:[1, 16, 65] Operation: 93-28=65 Moving to Node #0,0 Current State: 50:[1, 16, 65], Operations: ['93-28=65'] Exploring Operation: 65-16=49, Resulting Numbers: [1, 49] Generated Node #0,0,0: 50:[1, 49] Operation: 65-16=49 Moving to Node #0,0,0 Current State: 50:[1, 49], Operations: ['93-28=65', '65-16=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 92, 22, 64, 85 ]
91
[ "92-22=70", "85-64=21", "70+21=91" ]
Current State: 91:[92, 22, 64, 85], Operations: [] Exploring Operation: 92-22=70, Resulting Numbers: [64, 85, 70] Generated Node #2: [64, 85, 70] from Operation: 92-22=70 Current State: 91:[64, 85, 70], Operations: ['92-22=70'] Exploring Operation: 85-64=21, Resulting Numbers: [70, 21] Generated Node #3: [70, 21] from Operation: 85-64=21 Current State: 91:[70, 21], Operations: ['92-22=70', '85-64=21'] Exploring Operation: 70+21=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[92, 22, 64, 85], Operations: [] Exploring Operation: 22+64=86, Resulting Numbers: [92, 85, 86] Generated Node #0,0: 91:[92, 85, 86] Operation: 22+64=86 Exploring Operation: 85-64=21, Resulting Numbers: [92, 22, 21] Generated Node #0,1: 91:[92, 22, 21] Operation: 85-64=21 Exploring Operation: 92-64=28, Resulting Numbers: [22, 85, 28] Generated Node #0,2: 91:[22, 85, 28] Operation: 92-64=28 Exploring Operation: 92-85=7, Resulting Numbers: [22, 64, 7] Generated Node #0,3: 91:[22, 64, 7] Operation: 92-85=7 Exploring Operation: 64-22=42, Resulting Numbers: [92, 85, 42] Generated Node #0,4: 91:[92, 85, 42] Operation: 64-22=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[92, 85, 86], Operations: ['22+64=86'] Exploring Operation: 85+86=171, Resulting Numbers: [92, 171] Generated Node #0,0,0: 91:[92, 171] Operation: 85+86=171 Exploring Operation: 92-86=6, Resulting Numbers: [85, 6] Generated Node #0,0,1: 91:[85, 6] Operation: 92-86=6 Exploring Operation: 86-85=1, Resulting Numbers: [92, 1] Generated Node #0,0,2: 91:[92, 1] Operation: 86-85=1 Exploring Operation: 92+85=177, Resulting Numbers: [86, 177] Generated Node #0,0,3: 91:[86, 177] Operation: 92+85=177 Exploring Operation: 92-85=7, Resulting Numbers: [86, 7] Generated Node #0,0,4: 91:[86, 7] Operation: 92-85=7 Moving to Node #0,0,4 Current State: 91:[86, 7], Operations: ['22+64=86', '92-85=7'] Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,91 unequal: No Solution Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,91 unequal: No Solution Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[92, 1], Operations: ['22+64=86', '86-85=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[92, 22, 64, 85], Operations: [] Exploring Operation: 22+64=86, Resulting Numbers: [92, 85, 86] Generated Node #0,0: 91:[92, 85, 86] Operation: 22+64=86 Moving to Node #0,0 Current State: 91:[92, 85, 86], Operations: ['22+64=86'] Exploring Operation: 86-85=1, Resulting Numbers: [92, 1] Generated Node #0,0,2: 91:[92, 1] Operation: 86-85=1 Moving to Node #0,0,2 Current State: 91:[92, 1], Operations: ['22+64=86', '86-85=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 27, 86, 72, 93 ]
52
[ "27+86=113", "72+93=165", "165-113=52" ]
Current State: 52:[27, 86, 72, 93], Operations: [] Exploring Operation: 27+86=113, Resulting Numbers: [72, 93, 113] Generated Node #2: [72, 93, 113] from Operation: 27+86=113 Current State: 52:[72, 93, 113], Operations: ['27+86=113'] Exploring Operation: 72+93=165, Resulting Numbers: [113, 165] Generated Node #3: [113, 165] from Operation: 72+93=165 Current State: 52:[113, 165], Operations: ['27+86=113', '72+93=165'] Exploring Operation: 165-113=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[27, 86, 72, 93], Operations: [] Exploring Operation: 86-27=59, Resulting Numbers: [72, 93, 59] Generated Node #0,0: 52:[72, 93, 59] Operation: 86-27=59 Exploring Operation: 93-86=7, Resulting Numbers: [27, 72, 7] Generated Node #0,1: 52:[27, 72, 7] Operation: 93-86=7 Exploring Operation: 86-72=14, Resulting Numbers: [27, 93, 14] Generated Node #0,2: 52:[27, 93, 14] Operation: 86-72=14 Exploring Operation: 93-72=21, Resulting Numbers: [27, 86, 21] Generated Node #0,3: 52:[27, 86, 21] Operation: 93-72=21 Exploring Operation: 93-27=66, Resulting Numbers: [86, 72, 66] Generated Node #0,4: 52:[86, 72, 66] Operation: 93-27=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[27, 72, 7], Operations: ['93-86=7'] Exploring Operation: 72-27=45, Resulting Numbers: [7, 45] Generated Node #0,1,0: 52:[7, 45] Operation: 72-27=45 Exploring Operation: 72+7=79, Resulting Numbers: [27, 79] Generated Node #0,1,1: 52:[27, 79] Operation: 72+7=79 Exploring Operation: 27+7=34, Resulting Numbers: [72, 34] Generated Node #0,1,2: 52:[72, 34] Operation: 27+7=34 Exploring Operation: 27-7=20, Resulting Numbers: [72, 20] Generated Node #0,1,3: 52:[72, 20] Operation: 27-7=20 Exploring Operation: 72-7=65, Resulting Numbers: [27, 65] Generated Node #0,1,4: 52:[27, 65] Operation: 72-7=65 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[7, 45], Operations: ['93-86=7', '72-27=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[27, 86, 72, 93], Operations: [] Exploring Operation: 93-86=7, Resulting Numbers: [27, 72, 7] Generated Node #0,1: 52:[27, 72, 7] Operation: 93-86=7 Moving to Node #0,1 Current State: 52:[27, 72, 7], Operations: ['93-86=7'] Exploring Operation: 72-27=45, Resulting Numbers: [7, 45] Generated Node #0,1,0: 52:[7, 45] Operation: 72-27=45 Moving to Node #0,1,0 Current State: 52:[7, 45], Operations: ['93-86=7', '72-27=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 78, 75, 72, 81 ]
47
[ "81-78=3", "75/3=25", "72-25=47" ]
Current State: 47:[78, 75, 72, 81], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [75, 72, 3] Generated Node #2: [75, 72, 3] from Operation: 81-78=3 Current State: 47:[75, 72, 3], Operations: ['81-78=3'] Exploring Operation: 75/3=25, Resulting Numbers: [72, 25] Generated Node #3: [72, 25] from Operation: 75/3=25 Current State: 47:[72, 25], Operations: ['81-78=3', '75/3=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[78, 75, 72, 81], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [75, 72, 3] Generated Node #0,0: 47:[75, 72, 3] Operation: 81-78=3 Exploring Operation: 81-75=6, Resulting Numbers: [78, 72, 6] Generated Node #0,1: 47:[78, 72, 6] Operation: 81-75=6 Exploring Operation: 81-72=9, Resulting Numbers: [78, 75, 9] Generated Node #0,2: 47:[78, 75, 9] Operation: 81-72=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[75, 72, 3], Operations: ['81-78=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72, 72] Generated Node #0,0,0: 47:[72, 72] Operation: 75-3=72 Exploring Operation: 72-3=69, Resulting Numbers: [75, 69] Generated Node #0,0,1: 47:[75, 69] Operation: 72-3=69 Exploring Operation: 75/3=25, Resulting Numbers: [72, 25] Generated Node #0,0,2: 47:[72, 25] Operation: 75/3=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[72, 25], Operations: ['81-78=3', '75/3=25'] Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,47 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[78, 75, 72, 81], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [75, 72, 3] Generated Node #0,0: 47:[75, 72, 3] Operation: 81-78=3 Moving to Node #0,0 Current State: 47:[75, 72, 3], Operations: ['81-78=3'] Exploring Operation: 75/3=25, Resulting Numbers: [72, 25] Generated Node #0,0,2: 47:[72, 25] Operation: 75/3=25 Moving to Node #0,0,2 Current State: 47:[72, 25], Operations: ['81-78=3', '75/3=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 80, 48, 71, 44 ]
91
[ "48-44=4", "80/4=20", "71+20=91" ]
Current State: 91:[80, 48, 71, 44], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [80, 71, 4] Generated Node #2: [80, 71, 4] from Operation: 48-44=4 Current State: 91:[80, 71, 4], Operations: ['48-44=4'] Exploring Operation: 80/4=20, Resulting Numbers: [71, 20] Generated Node #3: [71, 20] from Operation: 80/4=20 Current State: 91:[71, 20], Operations: ['48-44=4', '80/4=20'] Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[80, 48, 71, 44], Operations: [] Exploring Operation: 71-44=27, Resulting Numbers: [80, 48, 27] Generated Node #0,0: 91:[80, 48, 27] Operation: 71-44=27 Exploring Operation: 80-71=9, Resulting Numbers: [48, 44, 9] Generated Node #0,1: 91:[48, 44, 9] Operation: 80-71=9 Exploring Operation: 48+44=92, Resulting Numbers: [80, 71, 92] Generated Node #0,2: 91:[80, 71, 92] Operation: 48+44=92 Exploring Operation: 71-48=23, Resulting Numbers: [80, 44, 23] Generated Node #0,3: 91:[80, 44, 23] Operation: 71-48=23 Exploring Operation: 48-44=4, Resulting Numbers: [80, 71, 4] Generated Node #0,4: 91:[80, 71, 4] Operation: 48-44=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[80, 71, 92], Operations: ['48+44=92'] Exploring Operation: 71+92=163, Resulting Numbers: [80, 163] Generated Node #0,2,0: 91:[80, 163] Operation: 71+92=163 Exploring Operation: 92-71=21, Resulting Numbers: [80, 21] Generated Node #0,2,1: 91:[80, 21] Operation: 92-71=21 Exploring Operation: 80-71=9, Resulting Numbers: [92, 9] Generated Node #0,2,2: 91:[92, 9] Operation: 80-71=9 Exploring Operation: 92-80=12, Resulting Numbers: [71, 12] Generated Node #0,2,3: 91:[71, 12] Operation: 92-80=12 Exploring Operation: 80+71=151, Resulting Numbers: [92, 151] Generated Node #0,2,4: 91:[92, 151] Operation: 80+71=151 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[92, 9], Operations: ['48+44=92', '80-71=9'] Exploring Operation: 92+9=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,91 unequal: No Solution Exploring Operation: 92*9=828, Resulting Numbers: [828] 828,91 unequal: No Solution No 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: 91:[80, 21], Operations: ['48+44=92', '92-71=21'] Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,91 unequal: No Solution No 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: 91:[71, 12], Operations: ['48+44=92', '92-80=12'] Exploring Operation: 71*12=852, Resulting Numbers: [852] 852,91 unequal: No Solution Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,91 unequal: No Solution Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,91 unequal: No Solution No 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: 91:[92, 151], Operations: ['48+44=92', '80+71=151'] Exploring Operation: 92+151=243, Resulting Numbers: [243] 243,91 unequal: No Solution Exploring Operation: 92*151=13892, Resulting Numbers: [13892] 13892,91 unequal: No Solution Exploring Operation: 151-92=59, Resulting Numbers: [59] 59,91 unequal: No Solution No 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: 91:[80, 163], Operations: ['48+44=92', '71+92=163'] Exploring Operation: 80+163=243, Resulting Numbers: [243] 243,91 unequal: No Solution Exploring Operation: 80*163=13040, Resulting Numbers: [13040] 13040,91 unequal: No Solution Exploring Operation: 163-80=83, Resulting Numbers: [83] 83,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 91:[80, 71, 4], Operations: ['48-44=4'] Exploring Operation: 80+4=84, Resulting Numbers: [71, 84] Generated Node #0,4,0: 91:[71, 84] Operation: 80+4=84 Exploring Operation: 80/4=20, Resulting Numbers: [71, 20] Generated Node #0,4,1: 91:[71, 20] Operation: 80/4=20 Exploring Operation: 80-4=76, Resulting Numbers: [71, 76] Generated Node #0,4,2: 91:[71, 76] Operation: 80-4=76 Exploring Operation: 71+4=75, Resulting Numbers: [80, 75] Generated Node #0,4,3: 91:[80, 75] Operation: 71+4=75 Exploring Operation: 80-71=9, Resulting Numbers: [4, 9] Generated Node #0,4,4: 91:[4, 9] Operation: 80-71=9 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 91:[4, 9], Operations: ['48-44=4', '80-71=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 91:[71, 84], Operations: ['48-44=4', '80+4=84'] Exploring Operation: 71*84=5964, Resulting Numbers: [5964] 5964,91 unequal: No Solution Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,91 unequal: No Solution No 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: 91:[71, 20], Operations: ['48-44=4', '80/4=20'] Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,91 unequal: No Solution Exploring Operation: 71*20=1420, Resulting Numbers: [1420] 1420,91 unequal: No Solution Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[80, 48, 71, 44], Operations: [] Exploring Operation: 48-44=4, Resulting Numbers: [80, 71, 4] Generated Node #0,4: 91:[80, 71, 4] Operation: 48-44=4 Moving to Node #0,4 Current State: 91:[80, 71, 4], Operations: ['48-44=4'] Exploring Operation: 80/4=20, Resulting Numbers: [71, 20] Generated Node #0,4,1: 91:[71, 20] Operation: 80/4=20 Moving to Node #0,4,1 Current State: 91:[71, 20], Operations: ['48-44=4', '80/4=20'] Exploring Operation: 71+20=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 12, 72, 41, 43 ]
48
[ "43-41=2", "12*2=24", "72-24=48" ]
Current State: 48:[12, 72, 41, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [12, 72, 2] Generated Node #2: [12, 72, 2] from Operation: 43-41=2 Current State: 48:[12, 72, 2], Operations: ['43-41=2'] Exploring Operation: 12*2=24, Resulting Numbers: [72, 24] Generated Node #3: [72, 24] from Operation: 12*2=24 Current State: 48:[72, 24], Operations: ['43-41=2', '12*2=24'] Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[12, 72, 41, 43], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [41, 43, 6] Generated Node #0,0: 48:[41, 43, 6] Operation: 72/12=6 Exploring Operation: 72-41=31, Resulting Numbers: [12, 43, 31] Generated Node #0,1: 48:[12, 43, 31] Operation: 72-41=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[41, 43, 6], Operations: ['72/12=6'] Exploring Operation: 43-41=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 48:[6, 2] Operation: 43-41=2 Exploring Operation: 41+6=47, Resulting Numbers: [43, 47] Generated Node #0,0,1: 48:[43, 47] Operation: 41+6=47 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[6, 2], Operations: ['72/12=6', '43-41=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[43, 47], Operations: ['72/12=6', '41+6=47'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 43+47=90, Resulting Numbers: [90] 90,48 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: 48:[12, 43, 31], Operations: ['72-41=31'] Exploring Operation: 43-31=12, Resulting Numbers: [12, 12] Generated Node #0,1,0: 48:[12, 12] Operation: 43-31=12 Exploring Operation: 31-12=19, Resulting Numbers: [43, 19] Generated Node #0,1,1: 48:[43, 19] Operation: 31-12=19 Moving to Node #0,1,0 Current State: 48:[12, 12], Operations: ['72-41=31', '43-31=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[43, 19], Operations: ['72-41=31', '31-12=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,48 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
[ 15, 69, 63, 93 ]
67
[ "93-63=30", "30/15=2", "69-2=67" ]
Current State: 67:[15, 69, 63, 93], Operations: [] Exploring Operation: 93-63=30, Resulting Numbers: [15, 69, 30] Generated Node #2: [15, 69, 30] from Operation: 93-63=30 Current State: 67:[15, 69, 30], Operations: ['93-63=30'] Exploring Operation: 30/15=2, Resulting Numbers: [69, 2] Generated Node #3: [69, 2] from Operation: 30/15=2 Current State: 67:[69, 2], Operations: ['93-63=30', '30/15=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[15, 69, 63, 93], Operations: [] Exploring Operation: 93-15=78, Resulting Numbers: [69, 63, 78] Generated Node #0,0: 67:[69, 63, 78] Operation: 93-15=78 Exploring Operation: 15+63=78, Resulting Numbers: [69, 93, 78] Generated Node #0,1: 67:[69, 93, 78] Operation: 15+63=78 Exploring Operation: 15+69=84, Resulting Numbers: [63, 93, 84] Generated Node #0,2: 67:[63, 93, 84] Operation: 15+69=84 Exploring Operation: 69-15=54, Resulting Numbers: [63, 93, 54] Generated Node #0,3: 67:[63, 93, 54] Operation: 69-15=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[69, 63, 78], Operations: ['93-15=78'] Exploring Operation: 69-63=6, Resulting Numbers: [78, 6] Generated Node #0,0,0: 67:[78, 6] Operation: 69-63=6 Exploring Operation: 78-69=9, Resulting Numbers: [63, 9] Generated Node #0,0,1: 67:[63, 9] Operation: 78-69=9 Exploring Operation: 69+63=132, Resulting Numbers: [78, 132] Generated Node #0,0,2: 67:[78, 132] Operation: 69+63=132 Exploring Operation: 78-63=15, Resulting Numbers: [69, 15] Generated Node #0,0,3: 67:[69, 15] Operation: 78-63=15 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[69, 15], Operations: ['93-15=78', '78-63=15'] Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,67 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,67 unequal: No Solution Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,67 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:[63, 9], Operations: ['93-15=78', '78-69=9'] Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,67 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[78, 6], Operations: ['93-15=78', '69-63=6'] Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,67 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[78, 132], Operations: ['93-15=78', '69+63=132'] Exploring Operation: 78*132=10296, Resulting Numbers: [10296] 10296,67 unequal: No Solution Exploring Operation: 78+132=210, Resulting Numbers: [210] 210,67 unequal: No Solution Exploring Operation: 132-78=54, Resulting Numbers: [54] 54,67 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:[69, 93, 78], Operations: ['15+63=78'] Exploring Operation: 93-69=24, Resulting Numbers: [78, 24] Generated Node #0,1,0: 67:[78, 24] Operation: 93-69=24 Exploring Operation: 93-78=15, Resulting Numbers: [69, 15] Generated Node #0,1,1: 67:[69, 15] Operation: 93-78=15 Exploring Operation: 69+93=162, Resulting Numbers: [78, 162] Generated Node #0,1,2: 67:[78, 162] Operation: 69+93=162 Exploring Operation: 78-69=9, Resulting Numbers: [93, 9] Generated Node #0,1,3: 67:[93, 9] Operation: 78-69=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[78, 24], Operations: ['15+63=78', '93-69=24'] Exploring Operation: 78*24=1872, Resulting Numbers: [1872] 1872,67 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,67 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,67 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 #0,1,1 Current State: 67:[69, 15], Operations: ['15+63=78', '93-78=15'] Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,67 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,67 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 #0,1,3 Current State: 67:[93, 9], Operations: ['15+63=78', '78-69=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,67 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 #0,1,2 Current State: 67:[78, 162], Operations: ['15+63=78', '69+93=162'] Exploring Operation: 78*162=12636, Resulting Numbers: [12636] 12636,67 unequal: No Solution Exploring Operation: 162-78=84, Resulting Numbers: [84] 84,67 unequal: No Solution Exploring Operation: 78+162=240, Resulting Numbers: [240] 240,67 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 #0,3 Current State: 67:[63, 93, 54], Operations: ['69-15=54'] Exploring Operation: 63+54=117, Resulting Numbers: [93, 117] Generated Node #0,3,0: 67:[93, 117] Operation: 63+54=117 Exploring Operation: 63-54=9, Resulting Numbers: [93, 9] Generated Node #0,3,1: 67:[93, 9] Operation: 63-54=9 Exploring Operation: 93-54=39, Resulting Numbers: [63, 39] Generated Node #0,3,2: 67:[63, 39] Operation: 93-54=39 Exploring Operation: 93-63=30, Resulting Numbers: [54, 30] Generated Node #0,3,3: 67:[54, 30] Operation: 93-63=30 Moving to Node #0,3,2 Current State: 67:[63, 39], Operations: ['69-15=54', '93-54=39'] Exploring Operation: 63+39=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 63*39=2457, Resulting Numbers: [2457] 2457,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[54, 30], Operations: ['69-15=54', '93-63=30'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,67 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[93, 117], Operations: ['69-15=54', '63+54=117'] Exploring Operation: 93*117=10881, Resulting Numbers: [10881] 10881,67 unequal: No Solution Exploring Operation: 117-93=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 93+117=210, Resulting Numbers: [210] 210,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[93, 9], Operations: ['69-15=54', '63-54=9'] Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,67 unequal: No Solution Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[63, 93, 84], Operations: ['15+69=84'] Exploring Operation: 93-63=30, Resulting Numbers: [84, 30] Generated Node #0,2,0: 67:[84, 30] Operation: 93-63=30 Exploring Operation: 63+93=156, Resulting Numbers: [84, 156] Generated Node #0,2,1: 67:[84, 156] Operation: 63+93=156 Exploring Operation: 84-63=21, Resulting Numbers: [93, 21] Generated Node #0,2,2: 67:[93, 21] Operation: 84-63=21 Exploring Operation: 93-84=9, Resulting Numbers: [63, 9] Generated Node #0,2,3: 67:[63, 9] Operation: 93-84=9 Moving to Node #0,2,0 Current State: 67:[84, 30], Operations: ['15+69=84', '93-63=30'] Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,67 unequal: No Solution Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[63, 9], Operations: ['15+69=84', '93-84=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,67 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[93, 21], Operations: ['15+69=84', '84-63=21'] Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[84, 156], Operations: ['15+69=84', '63+93=156'] Exploring Operation: 84*156=13104, Resulting Numbers: [13104] 13104,67 unequal: No Solution Exploring Operation: 84+156=240, Resulting Numbers: [240] 240,67 unequal: No Solution Exploring Operation: 156-84=72, Resulting Numbers: [72] 72,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 9, 20, 16, 11 ]
36
[ "9*20=180", "16-11=5", "180/5=36" ]
Current State: 36:[9, 20, 16, 11], Operations: [] Exploring Operation: 9*20=180, Resulting Numbers: [16, 11, 180] Generated Node #2: [16, 11, 180] from Operation: 9*20=180 Current State: 36:[16, 11, 180], Operations: ['9*20=180'] Exploring Operation: 16-11=5, Resulting Numbers: [180, 5] Generated Node #3: [180, 5] from Operation: 16-11=5 Current State: 36:[180, 5], Operations: ['9*20=180', '16-11=5'] Exploring Operation: 180/5=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[9, 20, 16, 11], Operations: [] Exploring Operation: 20-16=4, Resulting Numbers: [9, 11, 4] Generated Node #0,0: 36:[9, 11, 4] Operation: 20-16=4 Exploring Operation: 16-11=5, Resulting Numbers: [9, 20, 5] Generated Node #0,1: 36:[9, 20, 5] Operation: 16-11=5 Exploring Operation: 20-11=9, Resulting Numbers: [9, 16, 9] Generated Node #0,2: 36:[9, 16, 9] Operation: 20-11=9 Exploring Operation: 20+16=36, Resulting Numbers: [9, 11, 36] Generated Node #0,3: 36:[9, 11, 36] Operation: 20+16=36 Moving to Node #0,0 Current State: 36:[9, 11, 4], Operations: ['20-16=4'] Exploring Operation: 9+11=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 36:[4, 20] Operation: 9+11=20 Exploring Operation: 11-4=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 36:[9, 7] Operation: 11-4=7 Exploring Operation: 9*4=36, Resulting Numbers: [11, 36] Generated Node #0,0,2: 36:[11, 36] Operation: 9*4=36 Exploring Operation: 11-9=2, Resulting Numbers: [4, 2] Generated Node #0,0,3: 36:[4, 2] Operation: 11-9=2 Moving to Node #0,3 Current State: 36:[9, 11, 36], Operations: ['20+16=36'] Exploring Operation: 36-11=25, Resulting Numbers: [9, 25] Generated Node #0,3,0: 36:[9, 25] Operation: 36-11=25 Exploring Operation: 9+11=20, Resulting Numbers: [36, 20] Generated Node #0,3,1: 36:[36, 20] Operation: 9+11=20 Exploring Operation: 36/9=4, Resulting Numbers: [11, 4] Generated Node #0,3,2: 36:[11, 4] Operation: 36/9=4 Exploring Operation: 11-9=2, Resulting Numbers: [36, 2] Generated Node #0,3,3: 36:[36, 2] Operation: 11-9=2 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[36, 2], Operations: ['20+16=36', '11-9=2'] Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[11, 4], Operations: ['20+16=36', '36/9=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[36, 20], Operations: ['20+16=36', '9+11=20'] Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,36 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,36 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[9, 25], Operations: ['20+16=36', '36-11=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,36 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,36 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: 36:[9, 16, 9], Operations: ['20-11=9'] Exploring Operation: 9/9=1, Resulting Numbers: [16, 1] Generated Node #0,2,0: 36:[16, 1] Operation: 9/9=1 Exploring Operation: 9+9=18, Resulting Numbers: [16, 18] Generated Node #0,2,1: 36:[16, 18] Operation: 9+9=18 Exploring Operation: 16-9=7, Resulting Numbers: [9, 7] Generated Node #0,2,2: 36:[9, 7] Operation: 16-9=7 Exploring Operation: 16-9=7, Resulting Numbers: [9, 7] Generated Node #0,2,3: 36:[9, 7] Operation: 16-9=7 Moving to Node #0,1 Current State: 36:[9, 20, 5], Operations: ['16-11=5'] Exploring Operation: 9-5=4, Resulting Numbers: [20, 4] Generated Node #0,1,0: 36:[20, 4] Operation: 9-5=4 Exploring Operation: 20-9=11, Resulting Numbers: [5, 11] Generated Node #0,1,1: 36:[5, 11] Operation: 20-9=11 Exploring Operation: 20-5=15, Resulting Numbers: [9, 15] Generated Node #0,1,2: 36:[9, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [9, 4] Generated Node #0,1,3: 36:[9, 4] Operation: 20/5=4 Moving to Node #0,0,3 Current State: 36:[4, 2], Operations: ['20-16=4', '11-9=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[9, 4], Operations: ['16-11=5', '20/5=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[9, 20, 16, 11], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [9, 20, 5] Generated Node #0,1: 36:[9, 20, 5] Operation: 16-11=5 Moving to Node #0,1 Current State: 36:[9, 20, 5], Operations: ['16-11=5'] Exploring Operation: 20/5=4, Resulting Numbers: [9, 4] Generated Node #0,1,3: 36:[9, 4] Operation: 20/5=4 Moving to Node #0,1,3 Current State: 36:[9, 4], Operations: ['16-11=5', '20/5=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.962674
hs_4
sum_heuristic
[ 19, 41, 25, 17 ]
33
[ "19-17=2", "41+25=66", "66/2=33" ]
Current State: 33:[19, 41, 25, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [41, 25, 2] Generated Node #2: [41, 25, 2] from Operation: 19-17=2 Current State: 33:[41, 25, 2], Operations: ['19-17=2'] Exploring Operation: 41+25=66, Resulting Numbers: [2, 66] Generated Node #3: [2, 66] from Operation: 41+25=66 Current State: 33:[2, 66], Operations: ['19-17=2', '41+25=66'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[19, 41, 25, 17], Operations: [] Exploring Operation: 25-19=6, Resulting Numbers: [41, 17, 6] Generated Node #0,0: 33:[41, 17, 6] Operation: 25-19=6 Moving to Node #0,0 Current State: 33:[41, 17, 6], Operations: ['25-19=6'] Exploring Operation: 41-6=35, Resulting Numbers: [17, 35] Generated Node #0,0,0: 33:[17, 35] Operation: 41-6=35 Moving to Node #0,0,0 Current State: 33:[17, 35], Operations: ['25-19=6', '41-6=35'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,33 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 2, 89, 13, 1 ]
95
[ "13-1=12", "12/2=6", "89+6=95" ]
Current State: 95:[2, 89, 13, 1], Operations: [] Exploring Operation: 13-1=12, Resulting Numbers: [2, 89, 12] Generated Node #2: [2, 89, 12] from Operation: 13-1=12 Current State: 95:[2, 89, 12], Operations: ['13-1=12'] Exploring Operation: 12/2=6, Resulting Numbers: [89, 6] Generated Node #3: [89, 6] from Operation: 12/2=6 Current State: 95:[89, 6], Operations: ['13-1=12', '12/2=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[2, 89, 13, 1], Operations: [] Exploring Operation: 89+13=102, Resulting Numbers: [2, 1, 102] Generated Node #0,0: 95:[2, 1, 102] Operation: 89+13=102 Exploring Operation: 89+1=90, Resulting Numbers: [2, 13, 90] Generated Node #0,1: 95:[2, 13, 90] Operation: 89+1=90 Exploring Operation: 2+1=3, Resulting Numbers: [89, 13, 3] Generated Node #0,2: 95:[89, 13, 3] Operation: 2+1=3 Exploring Operation: 2+89=91, Resulting Numbers: [13, 1, 91] Generated Node #0,3: 95:[13, 1, 91] Operation: 2+89=91 Exploring Operation: 2+13=15, Resulting Numbers: [89, 1, 15] Generated Node #0,4: 95:[89, 1, 15] Operation: 2+13=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[2, 1, 102], Operations: ['89+13=102'] Exploring Operation: 2*1=2, Resulting Numbers: [102, 2] Generated Node #0,0,0: 95:[102, 2] Operation: 2*1=2 Exploring Operation: 2/1=2, Resulting Numbers: [102, 2] Generated Node #0,0,1: 95:[102, 2] Operation: 2/1=2 Exploring Operation: 2+1=3, Resulting Numbers: [102, 3] Generated Node #0,0,2: 95:[102, 3] Operation: 2+1=3 Exploring Operation: 102-1=101, Resulting Numbers: [2, 101] Generated Node #0,0,3: 95:[2, 101] Operation: 102-1=101 Exploring Operation: 102-2=100, Resulting Numbers: [1, 100] Generated Node #0,0,4: 95:[1, 100] Operation: 102-2=100 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[102, 3], Operations: ['89+13=102', '2+1=3'] Exploring Operation: 102/3=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 102*3=306, Resulting Numbers: [306] 306,95 unequal: No Solution Exploring Operation: 102+3=105, Resulting Numbers: [105] 105,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 95:[2, 101], Operations: ['89+13=102', '102-1=101'] Exploring Operation: 101-2=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 2+101=103, Resulting Numbers: [103] 103,95 unequal: No Solution Exploring Operation: 2*101=202, Resulting Numbers: [202] 202,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 95:[1, 100], Operations: ['89+13=102', '102-2=100'] Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 100-1=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 1*100=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 1+100=101, Resulting Numbers: [101] 101,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[102, 2], Operations: ['89+13=102', '2*1=2'] Exploring Operation: 102*2=204, Resulting Numbers: [204] 204,95 unequal: No Solution Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 102+2=104, Resulting Numbers: [104] 104,95 unequal: No Solution Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[102, 2], Operations: ['89+13=102', '2/1=2'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,95 unequal: No Solution Exploring Operation: 102+2=104, Resulting Numbers: [104] 104,95 unequal: No Solution Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 102*2=204, Resulting Numbers: [204] 204,95 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[2, 13, 90], Operations: ['89+1=90'] Exploring Operation: 2*13=26, Resulting Numbers: [90, 26] Generated Node #0,1,0: 95:[90, 26] Operation: 2*13=26 Exploring Operation: 13+90=103, Resulting Numbers: [2, 103] Generated Node #0,1,1: 95:[2, 103] Operation: 13+90=103 Exploring Operation: 2+90=92, Resulting Numbers: [13, 92] Generated Node #0,1,2: 95:[13, 92] Operation: 2+90=92 Exploring Operation: 13-2=11, Resulting Numbers: [90, 11] Generated Node #0,1,3: 95:[90, 11] Operation: 13-2=11 Exploring Operation: 2+13=15, Resulting Numbers: [90, 15] Generated Node #0,1,4: 95:[90, 15] Operation: 2+13=15 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[13, 92], Operations: ['89+1=90', '2+90=92'] Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,95 unequal: No Solution Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,95 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 #0,1,4 Current State: 95:[90, 15], Operations: ['89+1=90', '2+13=15'] Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,95 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,95 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:[2, 103], Operations: ['89+1=90', '13+90=103'] Exploring Operation: 103-2=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 2+103=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 2*103=206, Resulting Numbers: [206] 206,95 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 #0,1,3 Current State: 95:[90, 11], Operations: ['89+1=90', '13-2=11'] Exploring Operation: 90+11=101, Resulting Numbers: [101] 101,95 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,95 unequal: No Solution Exploring Operation: 90*11=990, Resulting Numbers: [990] 990,95 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 #0,1,0 Current State: 95:[90, 26], Operations: ['89+1=90', '2*13=26'] Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,95 unequal: No Solution Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,95 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,95 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[89, 13, 3], Operations: ['2+1=3'] Exploring Operation: 89-3=86, Resulting Numbers: [13, 86] Generated Node #0,2,0: 95:[13, 86] Operation: 89-3=86 Exploring Operation: 13-3=10, Resulting Numbers: [89, 10] Generated Node #0,2,1: 95:[89, 10] Operation: 13-3=10 Exploring Operation: 13+3=16, Resulting Numbers: [89, 16] Generated Node #0,2,2: 95:[89, 16] Operation: 13+3=16 Exploring Operation: 89+3=92, Resulting Numbers: [13, 92] Generated Node #0,2,3: 95:[13, 92] Operation: 89+3=92 Exploring Operation: 89+13=102, Resulting Numbers: [3, 102] Generated Node #0,2,4: 95:[3, 102] Operation: 89+13=102 Moving to Node #0,2,2 Current State: 95:[89, 16], Operations: ['2+1=3', '13+3=16'] Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,95 unequal: No Solution Moving to Node #0,2,4 Current State: 95:[3, 102], Operations: ['2+1=3', '89+13=102'] Exploring Operation: 3*102=306, Resulting Numbers: [306] 306,95 unequal: No Solution Exploring Operation: 102/3=34, Resulting Numbers: [34] 34,95 unequal: No Solution Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 3+102=105, Resulting Numbers: [105] 105,95 unequal: No Solution Moving to Node #0,2,3 Current State: 95:[13, 92], Operations: ['2+1=3', '89+3=92'] Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,95 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[89, 10], Operations: ['2+1=3', '13-3=10'] Exploring Operation: 89-10=79, Resulting Numbers: [79] 79,95 unequal: No Solution Exploring Operation: 89*10=890, Resulting Numbers: [890] 890,95 unequal: No Solution Exploring Operation: 89+10=99, Resulting Numbers: [99] 99,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[13, 86], Operations: ['2+1=3', '89-3=86'] Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,95 unequal: No Solution Exploring Operation: 13*86=1118, Resulting Numbers: [1118] 1118,95 unequal: No Solution Exploring Operation: 13+86=99, Resulting Numbers: [99] 99,95 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 #0,3 Current State: 95:[13, 1, 91], Operations: ['2+89=91'] Exploring Operation: 91/13=7, Resulting Numbers: [1, 7] Generated Node #0,3,0: 95:[1, 7] Operation: 91/13=7 Exploring Operation: 1+91=92, Resulting Numbers: [13, 92] Generated Node #0,3,1: 95:[13, 92] Operation: 1+91=92 Exploring Operation: 13+1=14, Resulting Numbers: [91, 14] Generated Node #0,3,2: 95:[91, 14] Operation: 13+1=14 Exploring Operation: 13*1=13, Resulting Numbers: [91, 13] Generated Node #0,3,3: 95:[91, 13] Operation: 13*1=13 Exploring Operation: 13/1=13, Resulting Numbers: [91, 13] Generated Node #0,3,4: 95:[91, 13] Operation: 13/1=13 Moving to Node #0,3,0 Current State: 95:[1, 7], Operations: ['2+89=91', '91/13=7'] Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,95 unequal: No Solution Moving to Node #0,3,2 Current State: 95:[91, 14], Operations: ['2+89=91', '13+1=14'] Exploring Operation: 91*14=1274, Resulting Numbers: [1274] 1274,95 unequal: No Solution Exploring Operation: 91+14=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 91-14=77, Resulting Numbers: [77] 77,95 unequal: No Solution Moving to Node #0,3,1 Current State: 95:[13, 92], Operations: ['2+89=91', '1+91=92'] Exploring Operation: 13+92=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,95 unequal: No Solution Exploring Operation: 13*92=1196, Resulting Numbers: [1196] 1196,95 unequal: No Solution Moving to Node #0,3,3 Current State: 95:[91, 13], Operations: ['2+89=91', '13*1=13'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,95 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,95 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,95 unequal: No Solution Moving to Node #0,3,4 Current State: 95:[91, 13], Operations: ['2+89=91', '13/1=13'] Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,95 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,95 unequal: No Solution Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,95 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 #0,4 Current State: 95:[89, 1, 15], Operations: ['2+13=15'] Exploring Operation: 1+15=16, Resulting Numbers: [89, 16] Generated Node #0,4,0: 95:[89, 16] Operation: 1+15=16 Exploring Operation: 89+1=90, Resulting Numbers: [15, 90] Generated Node #0,4,1: 95:[15, 90] Operation: 89+1=90 Exploring Operation: 89/1=89, Resulting Numbers: [15, 89] Generated Node #0,4,2: 95:[15, 89] Operation: 89/1=89 Exploring Operation: 89*1=89, Resulting Numbers: [15, 89] Generated Node #0,4,3: 95:[15, 89] Operation: 89*1=89 Exploring Operation: 1*15=15, Resulting Numbers: [89, 15] Generated Node #0,4,4: 95:[89, 15] Operation: 1*15=15 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 95:[89, 16], Operations: ['2+13=15', '1+15=16'] Exploring Operation: 89*16=1424, Resulting Numbers: [1424] 1424,95 unequal: No Solution Exploring Operation: 89+16=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 89-16=73, Resulting Numbers: [73] 73,95 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 #0,4,1 Current State: 95:[15, 90], Operations: ['2+13=15', '89+1=90'] Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 15*90=1350, Resulting Numbers: [1350] 1350,95 unequal: No Solution Exploring Operation: 15+90=105, Resulting Numbers: [105] 105,95 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 #0,4,2 Current State: 95:[15, 89], Operations: ['2+13=15', '89/1=89'] Exploring Operation: 15*89=1335, Resulting Numbers: [1335] 1335,95 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 15+89=104, Resulting Numbers: [104] 104,95 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 #0,4,3 Current State: 95:[15, 89], Operations: ['2+13=15', '89*1=89'] Exploring Operation: 15+89=104, Resulting Numbers: [104] 104,95 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 15*89=1335, Resulting Numbers: [1335] 1335,95 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 #0,4,4 Current State: 95:[89, 15], Operations: ['2+13=15', '1*15=15'] Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,95 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,95 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_5
sum_heuristic
[ 65, 52, 14, 96 ]
97
[ "65-52=13", "14+96=110", "110-13=97" ]
Current State: 97:[65, 52, 14, 96], Operations: [] Exploring Operation: 65-52=13, Resulting Numbers: [14, 96, 13] Generated Node #2: [14, 96, 13] from Operation: 65-52=13 Current State: 97:[14, 96, 13], Operations: ['65-52=13'] Exploring Operation: 14+96=110, Resulting Numbers: [13, 110] Generated Node #3: [13, 110] from Operation: 14+96=110 Current State: 97:[13, 110], Operations: ['65-52=13', '14+96=110'] Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[65, 52, 14, 96], Operations: [] Exploring Operation: 65+14=79, Resulting Numbers: [52, 96, 79] Generated Node #0,0: 97:[52, 96, 79] Operation: 65+14=79 Exploring Operation: 65-14=51, Resulting Numbers: [52, 96, 51] Generated Node #0,1: 97:[52, 96, 51] Operation: 65-14=51 Exploring Operation: 14+96=110, Resulting Numbers: [65, 52, 110] Generated Node #0,2: 97:[65, 52, 110] Operation: 14+96=110 Exploring Operation: 52+14=66, Resulting Numbers: [65, 96, 66] Generated Node #0,3: 97:[65, 96, 66] Operation: 52+14=66 Moving to Node #0,0 Current State: 97:[52, 96, 79], Operations: ['65+14=79'] Exploring Operation: 52+96=148, Resulting Numbers: [79, 148] Generated Node #0,0,0: 97:[79, 148] Operation: 52+96=148 Exploring Operation: 96-52=44, Resulting Numbers: [79, 44] Generated Node #0,0,1: 97:[79, 44] Operation: 96-52=44 Exploring Operation: 79-52=27, Resulting Numbers: [96, 27] Generated Node #0,0,2: 97:[96, 27] Operation: 79-52=27 Exploring Operation: 52+79=131, Resulting Numbers: [96, 131] Generated Node #0,0,3: 97:[96, 131] Operation: 52+79=131 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[96, 131], Operations: ['65+14=79', '52+79=131'] Exploring Operation: 96+131=227, Resulting Numbers: [227] 227,97 unequal: No Solution Exploring Operation: 96*131=12576, Resulting Numbers: [12576] 12576,97 unequal: No Solution Exploring Operation: 131-96=35, Resulting Numbers: [35] 35,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[79, 148], Operations: ['65+14=79', '52+96=148'] Exploring Operation: 79+148=227, Resulting Numbers: [227] 227,97 unequal: No Solution Exploring Operation: 148-79=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 79*148=11692, Resulting Numbers: [11692] 11692,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[79, 44], Operations: ['65+14=79', '96-52=44'] Exploring Operation: 79*44=3476, Resulting Numbers: [3476] 3476,97 unequal: No Solution Exploring Operation: 79+44=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 79-44=35, Resulting Numbers: [35] 35,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[96, 27], Operations: ['65+14=79', '79-52=27'] Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,97 unequal: No Solution Exploring Operation: 96*27=2592, Resulting Numbers: [2592] 2592,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 97:[65, 96, 66], Operations: ['52+14=66'] Exploring Operation: 96-65=31, Resulting Numbers: [66, 31] Generated Node #0,3,0: 97:[66, 31] Operation: 96-65=31 Exploring Operation: 65+96=161, Resulting Numbers: [66, 161] Generated Node #0,3,1: 97:[66, 161] Operation: 65+96=161 Exploring Operation: 66-65=1, Resulting Numbers: [96, 1] Generated Node #0,3,2: 97:[96, 1] Operation: 66-65=1 Exploring Operation: 65+66=131, Resulting Numbers: [96, 131] Generated Node #0,3,3: 97:[96, 131] Operation: 65+66=131 Moving to Node #0,2 Current State: 97:[65, 52, 110], Operations: ['14+96=110'] Exploring Operation: 65-52=13, Resulting Numbers: [110, 13] Generated Node #0,2,0: 97:[110, 13] Operation: 65-52=13 Exploring Operation: 65+52=117, Resulting Numbers: [110, 117] Generated Node #0,2,1: 97:[110, 117] Operation: 65+52=117 Exploring Operation: 110-52=58, Resulting Numbers: [65, 58] Generated Node #0,2,2: 97:[65, 58] Operation: 110-52=58 Exploring Operation: 110-65=45, Resulting Numbers: [52, 45] Generated Node #0,2,3: 97:[52, 45] Operation: 110-65=45 Moving to Node #0,1 Current State: 97:[52, 96, 51], Operations: ['65-14=51'] Exploring Operation: 96+51=147, Resulting Numbers: [52, 147] Generated Node #0,1,0: 97:[52, 147] Operation: 96+51=147 Exploring Operation: 52-51=1, Resulting Numbers: [96, 1] Generated Node #0,1,1: 97:[96, 1] Operation: 52-51=1 Exploring Operation: 52+51=103, Resulting Numbers: [96, 103] Generated Node #0,1,2: 97:[96, 103] Operation: 52+51=103 Exploring Operation: 52+96=148, Resulting Numbers: [51, 148] Generated Node #0,1,3: 97:[51, 148] Operation: 52+96=148 Moving to Node #0,1,2 Current State: 97:[96, 103], Operations: ['65-14=51', '52+51=103'] Exploring Operation: 96*103=9888, Resulting Numbers: [9888] 9888,97 unequal: No Solution Exploring Operation: 96+103=199, Resulting Numbers: [199] 199,97 unequal: No Solution Exploring Operation: 103-96=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[110, 117], Operations: ['14+96=110', '65+52=117'] Exploring Operation: 110+117=227, Resulting Numbers: [227] 227,97 unequal: No Solution Exploring Operation: 117-110=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 110*117=12870, Resulting Numbers: [12870] 12870,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[96, 131], Operations: ['52+14=66', '65+66=131'] Exploring Operation: 96*131=12576, Resulting Numbers: [12576] 12576,97 unequal: No Solution Exploring Operation: 96+131=227, Resulting Numbers: [227] 227,97 unequal: No Solution Exploring Operation: 131-96=35, Resulting Numbers: [35] 35,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[65, 58], Operations: ['14+96=110', '110-52=58'] Exploring Operation: 65*58=3770, Resulting Numbers: [3770] 3770,97 unequal: No Solution Exploring Operation: 65+58=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[66, 161], Operations: ['52+14=66', '65+96=161'] Exploring Operation: 66*161=10626, Resulting Numbers: [10626] 10626,97 unequal: No Solution Exploring Operation: 161-66=95, Resulting Numbers: [95] 95,97 unequal: No Solution Exploring Operation: 66+161=227, Resulting Numbers: [227] 227,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[52, 147], Operations: ['65-14=51', '96+51=147'] Exploring Operation: 52*147=7644, Resulting Numbers: [7644] 7644,97 unequal: No Solution Exploring Operation: 52+147=199, Resulting Numbers: [199] 199,97 unequal: No Solution Exploring Operation: 147-52=95, Resulting Numbers: [95] 95,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[110, 13], Operations: ['14+96=110', '65-52=13'] Exploring Operation: 110+13=123, Resulting Numbers: [123] 123,97 unequal: No Solution Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[65, 52, 14, 96], Operations: [] Exploring Operation: 14+96=110, Resulting Numbers: [65, 52, 110] Generated Node #0,2: 97:[65, 52, 110] Operation: 14+96=110 Moving to Node #0,2 Current State: 97:[65, 52, 110], Operations: ['14+96=110'] Exploring Operation: 65-52=13, Resulting Numbers: [110, 13] Generated Node #0,2,0: 97:[110, 13] Operation: 65-52=13 Moving to Node #0,2,0 Current State: 97:[110, 13], Operations: ['14+96=110', '65-52=13'] Exploring Operation: 110-13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
0.951389
hs_4
mult_heuristic
[ 17, 59, 17, 47 ]
72
[ "59-17=42", "47-17=30", "42+30=72" ]
Current State: 72:[17, 59, 17, 47], Operations: [] Exploring Operation: 59-17=42, Resulting Numbers: [47, 42] Generated Node #2: [47, 42] from Operation: 59-17=42 Current State: 72:[47, 42], Operations: ['59-17=42'] Exploring Operation: 47-17=30, Resulting Numbers: [42, 30] Generated Node #3: [42, 30] from Operation: 47-17=30 Current State: 72:[42, 30], Operations: ['59-17=42', '47-17=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[17, 59, 17, 47], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [17, 17, 12] Generated Node #0,0: 72:[17, 17, 12] Operation: 59-47=12 Exploring Operation: 17+59=76, Resulting Numbers: [17, 47, 76] Generated Node #0,1: 72:[17, 47, 76] Operation: 17+59=76 Moving to Node #0,0 Current State: 72:[17, 17, 12], Operations: ['59-47=12'] Exploring Operation: 17/17=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 72:[12, 1] Operation: 17/17=1 Exploring Operation: 17+17=34, Resulting Numbers: [12, 34] Generated Node #0,0,1: 72:[12, 34] Operation: 17+17=34 Moving to Node #0,1 Current State: 72:[17, 47, 76], Operations: ['17+59=76'] Exploring Operation: 47-17=30, Resulting Numbers: [76, 30] Generated Node #0,1,0: 72:[76, 30] Operation: 47-17=30 Exploring Operation: 76-47=29, Resulting Numbers: [17, 29] Generated Node #0,1,1: 72:[17, 29] Operation: 76-47=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[17, 29], Operations: ['17+59=76', '76-47=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[76, 30], Operations: ['17+59=76', '47-17=30'] Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,72 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: 72:[12, 1], Operations: ['59-47=12', '17/17=1'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[12, 34], Operations: ['59-47=12', '17+17=34'] Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,72 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 16, 10, 16, 51 ]
93
[ "16+10=26", "16+51=67", "26+67=93" ]
Current State: 93:[16, 10, 16, 51], Operations: [] Exploring Operation: 16+10=26, Resulting Numbers: [51, 26] Generated Node #2: [51, 26] from Operation: 16+10=26 Current State: 93:[51, 26], Operations: ['16+10=26'] Exploring Operation: 16+51=67, Resulting Numbers: [26, 67] Generated Node #3: [26, 67] from Operation: 16+51=67 Current State: 93:[26, 67], Operations: ['16+10=26', '16+51=67'] Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[16, 10, 16, 51], Operations: [] Exploring Operation: 16/16=1, Resulting Numbers: [10, 51, 1] Generated Node #0,0: 93:[10, 51, 1] Operation: 16/16=1 Exploring Operation: 16+16=32, Resulting Numbers: [10, 51, 32] Generated Node #0,1: 93:[10, 51, 32] Operation: 16+16=32 Exploring Operation: 51-16=35, Resulting Numbers: [16, 10, 35] Generated Node #0,2: 93:[16, 10, 35] Operation: 51-16=35 Exploring Operation: 51-16=35, Resulting Numbers: [10, 16, 35] Generated Node #0,3: 93:[10, 16, 35] Operation: 51-16=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[16, 10, 35], Operations: ['51-16=35'] Exploring Operation: 35-16=19, Resulting Numbers: [10, 19] Generated Node #0,2,0: 93:[10, 19] Operation: 35-16=19 Exploring Operation: 16-10=6, Resulting Numbers: [35, 6] Generated Node #0,2,1: 93:[35, 6] Operation: 16-10=6 Exploring Operation: 35-10=25, Resulting Numbers: [16, 25] Generated Node #0,2,2: 93:[16, 25] Operation: 35-10=25 Exploring Operation: 16+10=26, Resulting Numbers: [35, 26] Generated Node #0,2,3: 93:[35, 26] Operation: 16+10=26 Moving to Node #0,2,1 Current State: 93:[35, 6], Operations: ['51-16=35', '16-10=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,93 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[35, 26], Operations: ['51-16=35', '16+10=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[16, 25], Operations: ['51-16=35', '35-10=25'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,93 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[10, 19], Operations: ['51-16=35', '35-16=19'] Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[10, 16, 35], Operations: ['51-16=35'] Exploring Operation: 35-16=19, Resulting Numbers: [10, 19] Generated Node #0,3,0: 93:[10, 19] Operation: 35-16=19 Exploring Operation: 10+16=26, Resulting Numbers: [35, 26] Generated Node #0,3,1: 93:[35, 26] Operation: 10+16=26 Exploring Operation: 16-10=6, Resulting Numbers: [35, 6] Generated Node #0,3,2: 93:[35, 6] Operation: 16-10=6 Exploring Operation: 35-10=25, Resulting Numbers: [16, 25] Generated Node #0,3,3: 93:[16, 25] Operation: 35-10=25 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 93:[35, 6], Operations: ['51-16=35', '16-10=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,93 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,93 unequal: No Solution No 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: 93:[35, 26], Operations: ['51-16=35', '10+16=26'] Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,93 unequal: No Solution No 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: 93:[10, 19], Operations: ['51-16=35', '35-16=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,93 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,93 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,93 unequal: No Solution No 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: 93:[16, 25], Operations: ['51-16=35', '35-10=25'] Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,93 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,93 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: 93:[10, 51, 32], Operations: ['16+16=32'] Exploring Operation: 51-32=19, Resulting Numbers: [10, 19] Generated Node #0,1,0: 93:[10, 19] Operation: 51-32=19 Exploring Operation: 51+32=83, Resulting Numbers: [10, 83] Generated Node #0,1,1: 93:[10, 83] Operation: 51+32=83 Exploring Operation: 51-10=41, Resulting Numbers: [32, 41] Generated Node #0,1,2: 93:[32, 41] Operation: 51-10=41 Exploring Operation: 32-10=22, Resulting Numbers: [51, 22] Generated Node #0,1,3: 93:[51, 22] Operation: 32-10=22 Moving to Node #0,1,2 Current State: 93:[32, 41], Operations: ['16+16=32', '51-10=41'] Exploring Operation: 32*41=1312, Resulting Numbers: [1312] 1312,93 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 32+41=73, Resulting Numbers: [73] 73,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[10, 83], Operations: ['16+16=32', '51+32=83'] Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,93 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[16, 10, 16, 51], Operations: [] Exploring Operation: 16+16=32, Resulting Numbers: [10, 51, 32] Generated Node #0,1: 93:[10, 51, 32] Operation: 16+16=32 Moving to Node #0,1 Current State: 93:[10, 51, 32], Operations: ['16+16=32'] Exploring Operation: 51+32=83, Resulting Numbers: [10, 83] Generated Node #0,1,1: 93:[10, 83] Operation: 51+32=83 Moving to Node #0,1,1 Current State: 93:[10, 83], Operations: ['16+16=32', '51+32=83'] Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.957465
hs_4
sum_heuristic
[ 50, 82, 75, 12 ]
90
[ "50*12=600", "600/75=8", "82+8=90" ]
Current State: 90:[50, 82, 75, 12], Operations: [] Exploring Operation: 50*12=600, Resulting Numbers: [82, 75, 600] Generated Node #2: [82, 75, 600] from Operation: 50*12=600 Current State: 90:[82, 75, 600], Operations: ['50*12=600'] Exploring Operation: 600/75=8, Resulting Numbers: [82, 8] Generated Node #3: [82, 8] from Operation: 600/75=8 Current State: 90:[82, 8], Operations: ['50*12=600', '600/75=8'] Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[50, 82, 75, 12], Operations: [] Exploring Operation: 75+12=87, Resulting Numbers: [50, 82, 87] Generated Node #0,0: 90:[50, 82, 87] Operation: 75+12=87 Exploring Operation: 82-75=7, Resulting Numbers: [50, 12, 7] Generated Node #0,1: 90:[50, 12, 7] Operation: 82-75=7 Exploring Operation: 75-50=25, Resulting Numbers: [82, 12, 25] Generated Node #0,2: 90:[82, 12, 25] Operation: 75-50=25 Moving to Node #0,1 Current State: 90:[50, 12, 7], Operations: ['82-75=7'] Exploring Operation: 12+7=19, Resulting Numbers: [50, 19] Generated Node #0,1,0: 90:[50, 19] Operation: 12+7=19 Exploring Operation: 50-7=43, Resulting Numbers: [12, 43] Generated Node #0,1,1: 90:[12, 43] Operation: 50-7=43 Exploring Operation: 12-7=5, Resulting Numbers: [50, 5] Generated Node #0,1,2: 90:[50, 5] Operation: 12-7=5 Moving to Node #0,2 Current State: 90:[82, 12, 25], Operations: ['75-50=25'] Exploring Operation: 82+12=94, Resulting Numbers: [25, 94] Generated Node #0,2,0: 90:[25, 94] Operation: 82+12=94 Exploring Operation: 82-25=57, Resulting Numbers: [12, 57] Generated Node #0,2,1: 90:[12, 57] Operation: 82-25=57 Exploring Operation: 25-12=13, Resulting Numbers: [82, 13] Generated Node #0,2,2: 90:[82, 13] Operation: 25-12=13 Moving to Node #0,0 Current State: 90:[50, 82, 87], Operations: ['75+12=87'] Exploring Operation: 87-82=5, Resulting Numbers: [50, 5] Generated Node #0,0,0: 90:[50, 5] Operation: 87-82=5 Exploring Operation: 87-50=37, Resulting Numbers: [82, 37] Generated Node #0,0,1: 90:[82, 37] Operation: 87-50=37 Exploring Operation: 82-50=32, Resulting Numbers: [87, 32] Generated Node #0,0,2: 90:[87, 32] Operation: 82-50=32 Moving to Node #0,1,1 Current State: 90:[12, 43], Operations: ['82-75=7', '50-7=43'] Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,90 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[50, 5], Operations: ['75+12=87', '87-82=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[50, 5], Operations: ['82-75=7', '12-7=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[87, 32], Operations: ['75+12=87', '82-50=32'] Exploring Operation: 87*32=2784, Resulting Numbers: [2784] 2784,90 unequal: No Solution Exploring Operation: 87+32=119, Resulting Numbers: [119] 119,90 unequal: No Solution Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[50, 19], Operations: ['82-75=7', '12+7=19'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,90 unequal: No Solution Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[25, 94], Operations: ['75-50=25', '82+12=94'] Exploring Operation: 94-25=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 25+94=119, Resulting Numbers: [119] 119,90 unequal: No Solution Exploring Operation: 25*94=2350, Resulting Numbers: [2350] 2350,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[82, 13], Operations: ['75-50=25', '25-12=13'] Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,90 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,90 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[12, 57], Operations: ['75-50=25', '82-25=57'] Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,90 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[82, 37], Operations: ['75+12=87', '87-50=37'] Exploring Operation: 82*37=3034, Resulting Numbers: [3034] 3034,90 unequal: No Solution Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 82+37=119, Resulting Numbers: [119] 119,90 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 99, 38, 98, 63 ]
49
[ "99-38=61", "63-61=2", "98/2=49" ]
Current State: 49:[99, 38, 98, 63], Operations: [] Exploring Operation: 99-38=61, Resulting Numbers: [98, 63, 61] Generated Node #2: [98, 63, 61] from Operation: 99-38=61 Current State: 49:[98, 63, 61], Operations: ['99-38=61'] Exploring Operation: 63-61=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 63-61=2 Current State: 49:[98, 2], Operations: ['99-38=61', '63-61=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[99, 38, 98, 63], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [38, 63, 1] Generated Node #0,0: 49:[38, 63, 1] Operation: 99-98=1 Moving to Node #0,0 Current State: 49:[38, 63, 1], Operations: ['99-98=1'] Exploring Operation: 63-38=25, Resulting Numbers: [1, 25] Generated Node #0,0,0: 49:[1, 25] Operation: 63-38=25 Moving to Node #0,0,0 Current State: 49:[1, 25], Operations: ['99-98=1', '63-38=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,49 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 26, 51, 48, 58 ]
28
[ "26+58=84", "51-48=3", "84/3=28" ]
Current State: 28:[26, 51, 48, 58], Operations: [] Exploring Operation: 26+58=84, Resulting Numbers: [51, 48, 84] Generated Node #2: [51, 48, 84] from Operation: 26+58=84 Current State: 28:[51, 48, 84], Operations: ['26+58=84'] Exploring Operation: 51-48=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 51-48=3 Current State: 28:[84, 3], Operations: ['26+58=84', '51-48=3'] Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[26, 51, 48, 58], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [26, 48, 7] Generated Node #0,0: 28:[26, 48, 7] Operation: 58-51=7 Exploring Operation: 58-48=10, Resulting Numbers: [26, 51, 10] Generated Node #0,1: 28:[26, 51, 10] Operation: 58-48=10 Moving to Node #0,0 Current State: 28:[26, 48, 7], Operations: ['58-51=7'] Exploring Operation: 48-7=41, Resulting Numbers: [26, 41] Generated Node #0,0,0: 28:[26, 41] Operation: 48-7=41 Exploring Operation: 48-26=22, Resulting Numbers: [7, 22] Generated Node #0,0,1: 28:[7, 22] Operation: 48-26=22 Moving to Node #0,1 Current State: 28:[26, 51, 10], Operations: ['58-48=10'] Exploring Operation: 51-26=25, Resulting Numbers: [10, 25] Generated Node #0,1,0: 28:[10, 25] Operation: 51-26=25 Exploring Operation: 51-10=41, Resulting Numbers: [26, 41] Generated Node #0,1,1: 28:[26, 41] Operation: 51-10=41 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[10, 25], Operations: ['58-48=10', '51-26=25'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[26, 41], Operations: ['58-48=10', '51-10=41'] Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 28:[7, 22], Operations: ['58-51=7', '48-26=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[26, 41], Operations: ['58-51=7', '48-7=41'] Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,28 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,28 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 28, 19, 32, 70 ]
99
[ "32*70=2240", "2240/28=80", "19+80=99" ]
Current State: 99:[28, 19, 32, 70], Operations: [] Exploring Operation: 32*70=2240, Resulting Numbers: [28, 19, 2240] Generated Node #2: [28, 19, 2240] from Operation: 32*70=2240 Current State: 99:[28, 19, 2240], Operations: ['32*70=2240'] Exploring Operation: 2240/28=80, Resulting Numbers: [19, 80] Generated Node #3: [19, 80] from Operation: 2240/28=80 Current State: 99:[19, 80], Operations: ['32*70=2240', '2240/28=80'] Exploring Operation: 19+80=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[28, 19, 32, 70], Operations: [] Exploring Operation: 28+70=98, Resulting Numbers: [19, 32, 98] Generated Node #0,0: 99:[19, 32, 98] Operation: 28+70=98 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[19, 32, 98], Operations: ['28+70=98'] Exploring Operation: 32-19=13, Resulting Numbers: [98, 13] Generated Node #0,0,0: 99:[98, 13] Operation: 32-19=13 Moving to Node #0,0,0 Current State: 99:[98, 13], Operations: ['28+70=98', '32-19=13'] Exploring Operation: 98+13=111, Resulting Numbers: [111] 111,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 67, 26, 19, 11 ]
57
[ "67+11=78", "78/26=3", "19*3=57" ]
Current State: 57:[67, 26, 19, 11], Operations: [] Exploring Operation: 67+11=78, Resulting Numbers: [26, 19, 78] Generated Node #2: [26, 19, 78] from Operation: 67+11=78 Current State: 57:[26, 19, 78], Operations: ['67+11=78'] Exploring Operation: 78/26=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 78/26=3 Current State: 57:[19, 3], Operations: ['67+11=78', '78/26=3'] Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[67, 26, 19, 11], Operations: [] Exploring Operation: 67-26=41, Resulting Numbers: [19, 11, 41] Generated Node #0,0: 57:[19, 11, 41] Operation: 67-26=41 Exploring Operation: 26-19=7, Resulting Numbers: [67, 11, 7] Generated Node #0,1: 57:[67, 11, 7] Operation: 26-19=7 Exploring Operation: 26-11=15, Resulting Numbers: [67, 19, 15] Generated Node #0,2: 57:[67, 19, 15] Operation: 26-11=15 Exploring Operation: 67-11=56, Resulting Numbers: [26, 19, 56] Generated Node #0,3: 57:[26, 19, 56] Operation: 67-11=56 Exploring Operation: 19-11=8, Resulting Numbers: [67, 26, 8] Generated Node #0,4: 57:[67, 26, 8] Operation: 19-11=8 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[26, 19, 56], Operations: ['67-11=56'] Exploring Operation: 26+19=45, Resulting Numbers: [56, 45] Generated Node #0,3,0: 57:[56, 45] Operation: 26+19=45 Exploring Operation: 26+56=82, Resulting Numbers: [19, 82] Generated Node #0,3,1: 57:[19, 82] Operation: 26+56=82 Exploring Operation: 26-19=7, Resulting Numbers: [56, 7] Generated Node #0,3,2: 57:[56, 7] Operation: 26-19=7 Exploring Operation: 56-26=30, Resulting Numbers: [19, 30] Generated Node #0,3,3: 57:[19, 30] Operation: 56-26=30 Exploring Operation: 19+56=75, Resulting Numbers: [26, 75] Generated Node #0,3,4: 57:[26, 75] Operation: 19+56=75 Moving to Node #0,3,2 Current State: 57:[56, 7], Operations: ['67-11=56', '26-19=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,57 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,57 unequal: No Solution Moving to Node #0,3,3 Current State: 57:[19, 30], Operations: ['67-11=56', '56-26=30'] Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,57 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,57 unequal: No Solution Moving to Node #0,3,0 Current State: 57:[56, 45], Operations: ['67-11=56', '26+19=45'] Exploring Operation: 56*45=2520, Resulting Numbers: [2520] 2520,57 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 56+45=101, Resulting Numbers: [101] 101,57 unequal: No Solution Moving to Node #0,3,1 Current State: 57:[19, 82], Operations: ['67-11=56', '26+56=82'] Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 19+82=101, Resulting Numbers: [101] 101,57 unequal: No Solution Exploring Operation: 19*82=1558, Resulting Numbers: [1558] 1558,57 unequal: No Solution Moving to Node #0,3,4 Current State: 57:[26, 75], Operations: ['67-11=56', '19+56=75'] Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,57 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[67, 19, 15], Operations: ['26-11=15'] Exploring Operation: 67+15=82, Resulting Numbers: [19, 82] Generated Node #0,2,0: 57:[19, 82] Operation: 67+15=82 Exploring Operation: 19-15=4, Resulting Numbers: [67, 4] Generated Node #0,2,1: 57:[67, 4] Operation: 19-15=4 Exploring Operation: 67-15=52, Resulting Numbers: [19, 52] Generated Node #0,2,2: 57:[19, 52] Operation: 67-15=52 Exploring Operation: 19+15=34, Resulting Numbers: [67, 34] Generated Node #0,2,3: 57:[67, 34] Operation: 19+15=34 Exploring Operation: 67-19=48, Resulting Numbers: [15, 48] Generated Node #0,2,4: 57:[15, 48] Operation: 67-19=48 Moving to Node #0,2,2 Current State: 57:[19, 52], Operations: ['26-11=15', '67-15=52'] Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[67, 4], Operations: ['26-11=15', '19-15=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,57 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[15, 48], Operations: ['26-11=15', '67-19=48'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[19, 82], Operations: ['26-11=15', '67+15=82'] Exploring Operation: 19+82=101, Resulting Numbers: [101] 101,57 unequal: No Solution Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 19*82=1558, Resulting Numbers: [1558] 1558,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[67, 34], Operations: ['26-11=15', '19+15=34'] Exploring Operation: 67*34=2278, Resulting Numbers: [2278] 2278,57 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 67+34=101, Resulting Numbers: [101] 101,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[67, 11, 7], Operations: ['26-19=7'] Exploring Operation: 67+11=78, Resulting Numbers: [7, 78] Generated Node #0,1,0: 57:[7, 78] Operation: 67+11=78 Exploring Operation: 67-11=56, Resulting Numbers: [7, 56] Generated Node #0,1,1: 57:[7, 56] Operation: 67-11=56 Exploring Operation: 11-7=4, Resulting Numbers: [67, 4] Generated Node #0,1,2: 57:[67, 4] Operation: 11-7=4 Exploring Operation: 67-7=60, Resulting Numbers: [11, 60] Generated Node #0,1,3: 57:[11, 60] Operation: 67-7=60 Exploring Operation: 11+7=18, Resulting Numbers: [67, 18] Generated Node #0,1,4: 57:[67, 18] Operation: 11+7=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[7, 56], Operations: ['26-19=7', '67-11=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,57 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[67, 4], Operations: ['26-19=7', '11-7=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,57 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[11, 60], Operations: ['26-19=7', '67-7=60'] Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 57:[67, 18], Operations: ['26-19=7', '11+7=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,57 unequal: No Solution Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[7, 78], Operations: ['26-19=7', '67+11=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,57 unequal: No Solution Exploring Operation: 78-7=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 57:[67, 26, 8], Operations: ['19-11=8'] Exploring Operation: 26+8=34, Resulting Numbers: [67, 34] Generated Node #0,4,0: 57:[67, 34] Operation: 26+8=34 Exploring Operation: 67-26=41, Resulting Numbers: [8, 41] Generated Node #0,4,1: 57:[8, 41] Operation: 67-26=41 Exploring Operation: 67+8=75, Resulting Numbers: [26, 75] Generated Node #0,4,2: 57:[26, 75] Operation: 67+8=75 Exploring Operation: 67-8=59, Resulting Numbers: [26, 59] Generated Node #0,4,3: 57:[26, 59] Operation: 67-8=59 Exploring Operation: 26-8=18, Resulting Numbers: [67, 18] Generated Node #0,4,4: 57:[67, 18] Operation: 26-8=18 Moving to Node #0,4,3 Current State: 57:[26, 59], Operations: ['19-11=8', '67-8=59'] Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,57 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,57 unequal: No Solution Moving to Node #0,4,4 Current State: 57:[67, 18], Operations: ['19-11=8', '26-8=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,57 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,57 unequal: No Solution Moving to Node #0,4,1 Current State: 57:[8, 41], Operations: ['19-11=8', '67-26=41'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 8*41=328, Resulting Numbers: [328] 328,57 unequal: No Solution Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,57 unequal: No Solution Moving to Node #0,4,0 Current State: 57:[67, 34], Operations: ['19-11=8', '26+8=34'] Exploring Operation: 67*34=2278, Resulting Numbers: [2278] 2278,57 unequal: No Solution Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 67+34=101, Resulting Numbers: [101] 101,57 unequal: No Solution Moving to Node #0,4,2 Current State: 57:[26, 75], Operations: ['19-11=8', '67+8=75'] Exploring Operation: 26+75=101, Resulting Numbers: [101] 101,57 unequal: No Solution Exploring Operation: 26*75=1950, Resulting Numbers: [1950] 1950,57 unequal: No Solution Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[19, 11, 41], Operations: ['67-26=41'] Exploring Operation: 41-11=30, Resulting Numbers: [19, 30] Generated Node #0,0,0: 57:[19, 30] Operation: 41-11=30 Exploring Operation: 19-11=8, Resulting Numbers: [41, 8] Generated Node #0,0,1: 57:[41, 8] Operation: 19-11=8 Exploring Operation: 41-19=22, Resulting Numbers: [11, 22] Generated Node #0,0,2: 57:[11, 22] Operation: 41-19=22 Exploring Operation: 19+41=60, Resulting Numbers: [11, 60] Generated Node #0,0,3: 57:[11, 60] Operation: 19+41=60 Exploring Operation: 11+41=52, Resulting Numbers: [19, 52] Generated Node #0,0,4: 57:[19, 52] Operation: 11+41=52 Moving to Node #0,0,4 Current State: 57:[19, 52], Operations: ['67-26=41', '11+41=52'] Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[11, 22], Operations: ['67-26=41', '41-19=22'] Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,57 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[19, 30], Operations: ['67-26=41', '41-11=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,57 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,57 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[11, 60], Operations: ['67-26=41', '19+41=60'] Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,57 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[41, 8], Operations: ['67-26=41', '19-11=8'] Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,57 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 3, 8, 1, 69 ]
26
[ "3*69=207", "1+207=208", "208/8=26" ]
Current State: 26:[3, 8, 1, 69], Operations: [] Exploring Operation: 3*69=207, Resulting Numbers: [8, 1, 207] Generated Node #2: [8, 1, 207] from Operation: 3*69=207 Current State: 26:[8, 1, 207], Operations: ['3*69=207'] Exploring Operation: 1+207=208, Resulting Numbers: [8, 208] Generated Node #3: [8, 208] from Operation: 1+207=208 Current State: 26:[8, 208], Operations: ['3*69=207', '1+207=208'] Exploring Operation: 208/8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[3, 8, 1, 69], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [8, 1, 23] Generated Node #0,0: 26:[8, 1, 23] Operation: 69/3=23 Exploring Operation: 69-8=61, Resulting Numbers: [3, 1, 61] Generated Node #0,1: 26:[3, 1, 61] Operation: 69-8=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[8, 1, 23], Operations: ['69/3=23'] Exploring Operation: 8+23=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 26:[1, 31] Operation: 8+23=31 Exploring Operation: 23-8=15, Resulting Numbers: [1, 15] Generated Node #0,0,1: 26:[1, 15] Operation: 23-8=15 Moving to Node #0,0,1 Current State: 26:[1, 15], Operations: ['69/3=23', '23-8=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[1, 31], Operations: ['69/3=23', '8+23=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 1*31=31, Resulting Numbers: [31] 31,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[3, 1, 61], Operations: ['69-8=61'] Exploring Operation: 61-3=58, Resulting Numbers: [1, 58] Generated Node #0,1,0: 26:[1, 58] Operation: 61-3=58 Exploring Operation: 3-1=2, Resulting Numbers: [61, 2] Generated Node #0,1,1: 26:[61, 2] Operation: 3-1=2 Moving to Node #0,1,0 Current State: 26:[1, 58], Operations: ['69-8=61', '61-3=58'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,26 unequal: No Solution Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[61, 2], Operations: ['69-8=61', '3-1=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,26 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,26 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
[ 88, 83, 76, 35 ]
99
[ "88-83=5", "35*5=175", "175-76=99" ]
Current State: 99:[88, 83, 76, 35], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [76, 35, 5] Generated Node #2: [76, 35, 5] from Operation: 88-83=5 Current State: 99:[76, 35, 5], Operations: ['88-83=5'] Exploring Operation: 35*5=175, Resulting Numbers: [76, 175] Generated Node #3: [76, 175] from Operation: 35*5=175 Current State: 99:[76, 175], Operations: ['88-83=5', '35*5=175'] Exploring Operation: 175-76=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[88, 83, 76, 35], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [83, 35, 12] Generated Node #0,0: 99:[83, 35, 12] Operation: 88-76=12 Exploring Operation: 83-76=7, Resulting Numbers: [88, 35, 7] Generated Node #0,1: 99:[88, 35, 7] Operation: 83-76=7 Moving to Node #0,1 Current State: 99:[88, 35, 7], Operations: ['83-76=7'] Exploring Operation: 35/7=5, Resulting Numbers: [88, 5] Generated Node #0,1,0: 99:[88, 5] Operation: 35/7=5 Exploring Operation: 88+7=95, Resulting Numbers: [35, 95] Generated Node #0,1,1: 99:[35, 95] Operation: 88+7=95 Moving to Node #0,0 Current State: 99:[83, 35, 12], Operations: ['88-76=12'] Exploring Operation: 83+12=95, Resulting Numbers: [35, 95] Generated Node #0,0,0: 99:[35, 95] Operation: 83+12=95 Exploring Operation: 83-35=48, Resulting Numbers: [12, 48] Generated Node #0,0,1: 99:[12, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[35, 95], Operations: ['88-76=12', '83+12=95'] Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,99 unequal: No Solution Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[12, 48], Operations: ['88-76=12', '83-35=48'] Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,99 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: 99:[35, 95], Operations: ['83-76=7', '88+7=95'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[88, 5], Operations: ['83-76=7', '35/7=5'] Exploring Operation: 88-5=83, Resulting Numbers: [83] 83,99 unequal: No Solution Exploring Operation: 88+5=93, Resulting Numbers: [93] 93,99 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 46, 89, 89, 44 ]
91
[ "46+44=90", "89/89=1", "90+1=91" ]
Current State: 91:[46, 89, 89, 44], Operations: [] Exploring Operation: 46+44=90, Resulting Numbers: [89, 89, 90] Generated Node #2: [89, 89, 90] from Operation: 46+44=90 Current State: 91:[89, 89, 90], Operations: ['46+44=90'] Exploring Operation: 89/89=1, Resulting Numbers: [90, 1] Generated Node #3: [90, 1] from Operation: 89/89=1 Current State: 91:[90, 1], Operations: ['46+44=90', '89/89=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[46, 89, 89, 44], Operations: [] Exploring Operation: 89-46=43, Resulting Numbers: [89, 44, 43] Generated Node #0,0: 91:[89, 44, 43] Operation: 89-46=43 Exploring Operation: 89-46=43, Resulting Numbers: [89, 44, 43] Generated Node #0,1: 91:[89, 44, 43] Operation: 89-46=43 Exploring Operation: 46+44=90, Resulting Numbers: [89, 89, 90] Generated Node #0,2: 91:[89, 89, 90] Operation: 46+44=90 Exploring Operation: 46-44=2, Resulting Numbers: [89, 89, 2] Generated Node #0,3: 91:[89, 89, 2] Operation: 46-44=2 Moving to Node #0,2 Current State: 91:[89, 89, 90], Operations: ['46+44=90'] Exploring Operation: 89/89=1, Resulting Numbers: [90, 1] Generated Node #0,2,0: 91:[90, 1] Operation: 89/89=1 Exploring Operation: 89-89=0, Resulting Numbers: [90, 0] Generated Node #0,2,1: 91:[90, 0] Operation: 89-89=0 Exploring Operation: 90-89=1, Resulting Numbers: [89, 1] Generated Node #0,2,2: 91:[89, 1] Operation: 90-89=1 Exploring Operation: 90-89=1, Resulting Numbers: [89, 1] Generated Node #0,2,3: 91:[89, 1] Operation: 90-89=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[90, 1], Operations: ['46+44=90', '89/89=1'] Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[46, 89, 89, 44], Operations: [] Exploring Operation: 46+44=90, Resulting Numbers: [89, 89, 90] Generated Node #0,2: 91:[89, 89, 90] Operation: 46+44=90 Moving to Node #0,2 Current State: 91:[89, 89, 90], Operations: ['46+44=90'] Exploring Operation: 89/89=1, Resulting Numbers: [90, 1] Generated Node #0,2,0: 91:[90, 1] Operation: 89/89=1 Moving to Node #0,2,0 Current State: 91:[90, 1], Operations: ['46+44=90', '89/89=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 64, 99, 51, 74 ]
12
[ "99-64=35", "74-51=23", "35-23=12" ]
Current State: 12:[64, 99, 51, 74], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [51, 74, 35] Generated Node #2: [51, 74, 35] from Operation: 99-64=35 Current State: 12:[51, 74, 35], Operations: ['99-64=35'] Exploring Operation: 74-51=23, Resulting Numbers: [35, 23] Generated Node #3: [35, 23] from Operation: 74-51=23 Current State: 12:[35, 23], Operations: ['99-64=35', '74-51=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[64, 99, 51, 74], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [99, 51, 10] Generated Node #0,0: 12:[99, 51, 10] Operation: 74-64=10 Exploring Operation: 64-51=13, Resulting Numbers: [99, 74, 13] Generated Node #0,1: 12:[99, 74, 13] Operation: 64-51=13 Exploring Operation: 99-64=35, Resulting Numbers: [51, 74, 35] Generated Node #0,2: 12:[51, 74, 35] Operation: 99-64=35 Exploring Operation: 99-74=25, Resulting Numbers: [64, 51, 25] Generated Node #0,3: 12:[64, 51, 25] Operation: 99-74=25 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[64, 51, 25], Operations: ['99-74=25'] Exploring Operation: 64+51=115, Resulting Numbers: [25, 115] Generated Node #0,3,0: 12:[25, 115] Operation: 64+51=115 Exploring Operation: 64-25=39, Resulting Numbers: [51, 39] Generated Node #0,3,1: 12:[51, 39] Operation: 64-25=39 Exploring Operation: 51-25=26, Resulting Numbers: [64, 26] Generated Node #0,3,2: 12:[64, 26] Operation: 51-25=26 Exploring Operation: 64-51=13, Resulting Numbers: [25, 13] Generated Node #0,3,3: 12:[25, 13] Operation: 64-51=13 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 12:[25, 13], Operations: ['99-74=25', '64-51=13'] Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,12 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[64, 99, 51, 74], Operations: [] Exploring Operation: 99-74=25, Resulting Numbers: [64, 51, 25] Generated Node #0,3: 12:[64, 51, 25] Operation: 99-74=25 Moving to Node #0,3 Current State: 12:[64, 51, 25], Operations: ['99-74=25'] Exploring Operation: 64-51=13, Resulting Numbers: [25, 13] Generated Node #0,3,3: 12:[25, 13] Operation: 64-51=13 Moving to Node #0,3,3 Current State: 12:[25, 13], Operations: ['99-74=25', '64-51=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 1, 42, 89, 35 ]
83
[ "42-1=41", "89+35=124", "124-41=83" ]
Current State: 83:[1, 42, 89, 35], Operations: [] Exploring Operation: 42-1=41, Resulting Numbers: [89, 35, 41] Generated Node #2: [89, 35, 41] from Operation: 42-1=41 Current State: 83:[89, 35, 41], Operations: ['42-1=41'] Exploring Operation: 89+35=124, Resulting Numbers: [41, 124] Generated Node #3: [41, 124] from Operation: 89+35=124 Current State: 83:[41, 124], Operations: ['42-1=41', '89+35=124'] Exploring Operation: 124-41=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[1, 42, 89, 35], Operations: [] Exploring Operation: 1+42=43, Resulting Numbers: [89, 35, 43] Generated Node #0,0: 83:[89, 35, 43] Operation: 1+42=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[89, 35, 43], Operations: ['1+42=43'] Exploring Operation: 35+43=78, Resulting Numbers: [89, 78] Generated Node #0,0,0: 83:[89, 78] Operation: 35+43=78 Moving to Node #0,0,0 Current State: 83:[89, 78], Operations: ['1+42=43', '35+43=78'] Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,83 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
[ 1, 11, 39, 76 ]
49
[ "1+11=12", "76-39=37", "12+37=49" ]
Current State: 49:[1, 11, 39, 76], Operations: [] Exploring Operation: 1+11=12, Resulting Numbers: [39, 76, 12] Generated Node #2: [39, 76, 12] from Operation: 1+11=12 Current State: 49:[39, 76, 12], Operations: ['1+11=12'] Exploring Operation: 76-39=37, Resulting Numbers: [12, 37] Generated Node #3: [12, 37] from Operation: 76-39=37 Current State: 49:[12, 37], Operations: ['1+11=12', '76-39=37'] Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[1, 11, 39, 76], Operations: [] Exploring Operation: 11+39=50, Resulting Numbers: [1, 76, 50] Generated Node #0,0: 49:[1, 76, 50] Operation: 11+39=50 Exploring Operation: 76-11=65, Resulting Numbers: [1, 39, 65] Generated Node #0,1: 49:[1, 39, 65] Operation: 76-11=65 Exploring Operation: 11-1=10, Resulting Numbers: [39, 76, 10] Generated Node #0,2: 49:[39, 76, 10] Operation: 11-1=10 Exploring Operation: 76-39=37, Resulting Numbers: [1, 11, 37] Generated Node #0,3: 49:[1, 11, 37] Operation: 76-39=37 Moving to Node #0,3 Current State: 49:[1, 11, 37], Operations: ['76-39=37'] Exploring Operation: 11-1=10, Resulting Numbers: [37, 10] Generated Node #0,3,0: 49:[37, 10] Operation: 11-1=10 Exploring Operation: 1+37=38, Resulting Numbers: [11, 38] Generated Node #0,3,1: 49:[11, 38] Operation: 1+37=38 Exploring Operation: 1*11=11, Resulting Numbers: [37, 11] Generated Node #0,3,2: 49:[37, 11] Operation: 1*11=11 Exploring Operation: 11+37=48, Resulting Numbers: [1, 48] Generated Node #0,3,3: 49:[1, 48] Operation: 11+37=48 Moving to Node #0,1 Current State: 49:[1, 39, 65], Operations: ['76-11=65'] Exploring Operation: 65-39=26, Resulting Numbers: [1, 26] Generated Node #0,1,0: 49:[1, 26] Operation: 65-39=26 Exploring Operation: 1+39=40, Resulting Numbers: [65, 40] Generated Node #0,1,1: 49:[65, 40] Operation: 1+39=40 Exploring Operation: 1*39=39, Resulting Numbers: [65, 39] Generated Node #0,1,2: 49:[65, 39] Operation: 1*39=39 Exploring Operation: 65-1=64, Resulting Numbers: [39, 64] Generated Node #0,1,3: 49:[39, 64] Operation: 65-1=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[1, 26], Operations: ['76-11=65', '65-39=26'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 26-1=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 #0,1,1 Current State: 49:[65, 40], Operations: ['76-11=65', '1+39=40'] Exploring Operation: 65*40=2600, Resulting Numbers: [2600] 2600,49 unequal: No Solution Exploring Operation: 65+40=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 65-40=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 #0,1,3 Current State: 49:[39, 64], Operations: ['76-11=65', '65-1=64'] Exploring Operation: 39+64=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 39*64=2496, Resulting Numbers: [2496] 2496,49 unequal: No Solution Exploring Operation: 64-39=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 #0,1,2 Current State: 49:[65, 39], Operations: ['76-11=65', '1*39=39'] Exploring Operation: 65*39=2535, Resulting Numbers: [2535] 2535,49 unequal: No Solution Exploring Operation: 65+39=104, Resulting Numbers: [104] 104,49 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,49 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: 49:[1, 76, 50], Operations: ['11+39=50'] Exploring Operation: 76-1=75, Resulting Numbers: [50, 75] Generated Node #0,0,0: 49:[50, 75] Operation: 76-1=75 Exploring Operation: 76-50=26, Resulting Numbers: [1, 26] Generated Node #0,0,1: 49:[1, 26] Operation: 76-50=26 Exploring Operation: 1*76=76, Resulting Numbers: [50, 76] Generated Node #0,0,2: 49:[50, 76] Operation: 1*76=76 Exploring Operation: 50-1=49, Resulting Numbers: [76, 49] Generated Node #0,0,3: 49:[76, 49] Operation: 50-1=49 Moving to Node #0,2 Current State: 49:[39, 76, 10], Operations: ['11-1=10'] Exploring Operation: 39+10=49, Resulting Numbers: [76, 49] Generated Node #0,2,0: 49:[76, 49] Operation: 39+10=49 Exploring Operation: 39-10=29, Resulting Numbers: [76, 29] Generated Node #0,2,1: 49:[76, 29] Operation: 39-10=29 Exploring Operation: 76-10=66, Resulting Numbers: [39, 66] Generated Node #0,2,2: 49:[39, 66] Operation: 76-10=66 Exploring Operation: 76-39=37, Resulting Numbers: [10, 37] Generated Node #0,2,3: 49:[10, 37] Operation: 76-39=37 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[10, 37], Operations: ['11-1=10', '76-39=37'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,49 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,49 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 #0,2,0 Current State: 49:[76, 49], Operations: ['11-1=10', '39+10=49'] Exploring Operation: 76*49=3724, Resulting Numbers: [3724] 3724,49 unequal: No Solution Exploring Operation: 76+49=125, Resulting Numbers: [125] 125,49 unequal: No Solution Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,49 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 #0,2,2 Current State: 49:[39, 66], Operations: ['11-1=10', '76-10=66'] Exploring Operation: 39+66=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 39*66=2574, Resulting Numbers: [2574] 2574,49 unequal: No Solution Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,49 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 #0,2,1 Current State: 49:[76, 29], Operations: ['11-1=10', '39-10=29'] Exploring Operation: 76*29=2204, Resulting Numbers: [2204] 2204,49 unequal: No Solution Exploring Operation: 76+29=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,49 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: 49:[1, 48], Operations: ['76-39=37', '11+37=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[1, 11, 39, 76], Operations: [] Exploring Operation: 76-39=37, Resulting Numbers: [1, 11, 37] Generated Node #0,3: 49:[1, 11, 37] Operation: 76-39=37 Moving to Node #0,3 Current State: 49:[1, 11, 37], Operations: ['76-39=37'] Exploring Operation: 11+37=48, Resulting Numbers: [1, 48] Generated Node #0,3,3: 49:[1, 48] Operation: 11+37=48 Moving to Node #0,3,3 Current State: 49:[1, 48], Operations: ['76-39=37', '11+37=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.953993
hs_4
sum_heuristic
[ 81, 49, 24, 88 ]
66
[ "81+49=130", "88-24=64", "130-64=66" ]
Current State: 66:[81, 49, 24, 88], Operations: [] Exploring Operation: 81+49=130, Resulting Numbers: [24, 88, 130] Generated Node #2: [24, 88, 130] from Operation: 81+49=130 Current State: 66:[24, 88, 130], Operations: ['81+49=130'] Exploring Operation: 88-24=64, Resulting Numbers: [130, 64] Generated Node #3: [130, 64] from Operation: 88-24=64 Current State: 66:[130, 64], Operations: ['81+49=130', '88-24=64'] Exploring Operation: 130-64=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[81, 49, 24, 88], Operations: [] Exploring Operation: 88-81=7, Resulting Numbers: [49, 24, 7] Generated Node #0,0: 66:[49, 24, 7] Operation: 88-81=7 Exploring Operation: 88-49=39, Resulting Numbers: [81, 24, 39] Generated Node #0,1: 66:[81, 24, 39] Operation: 88-49=39 Moving to Node #0,0 Current State: 66:[49, 24, 7], Operations: ['88-81=7'] Exploring Operation: 49/7=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 66:[24, 7] Operation: 49/7=7 Exploring Operation: 49-24=25, Resulting Numbers: [7, 25] Generated Node #0,0,1: 66:[7, 25] Operation: 49-24=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[24, 7], Operations: ['88-81=7', '49/7=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,66 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 #0,0,1 Current State: 66:[7, 25], Operations: ['88-81=7', '49-24=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,66 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: 66:[81, 24, 39], Operations: ['88-49=39'] Exploring Operation: 81-39=42, Resulting Numbers: [24, 42] Generated Node #0,1,0: 66:[24, 42] Operation: 81-39=42 Exploring Operation: 81-24=57, Resulting Numbers: [39, 57] Generated Node #0,1,1: 66:[39, 57] Operation: 81-24=57 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[24, 42], Operations: ['88-49=39', '81-39=42'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,66 unequal: No Solution Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[81, 49, 24, 88], Operations: [] Exploring Operation: 88-49=39, Resulting Numbers: [81, 24, 39] Generated Node #0,1: 66:[81, 24, 39] Operation: 88-49=39 Moving to Node #0,1 Current State: 66:[81, 24, 39], Operations: ['88-49=39'] Exploring Operation: 81-39=42, Resulting Numbers: [24, 42] Generated Node #0,1,0: 66:[24, 42] Operation: 81-39=42 Moving to Node #0,1,0 Current State: 66:[24, 42], Operations: ['88-49=39', '81-39=42'] Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 68, 17, 84, 73 ]
74
[ "68+17=85", "84-73=11", "85-11=74" ]
Current State: 74:[68, 17, 84, 73], Operations: [] Exploring Operation: 68+17=85, Resulting Numbers: [84, 73, 85] Generated Node #2: [84, 73, 85] from Operation: 68+17=85 Current State: 74:[84, 73, 85], Operations: ['68+17=85'] Exploring Operation: 84-73=11, Resulting Numbers: [85, 11] Generated Node #3: [85, 11] from Operation: 84-73=11 Current State: 74:[85, 11], Operations: ['68+17=85', '84-73=11'] Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[68, 17, 84, 73], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [68, 73, 67] Generated Node #0,0: 74:[68, 73, 67] Operation: 84-17=67 Exploring Operation: 68-17=51, Resulting Numbers: [84, 73, 51] Generated Node #0,1: 74:[84, 73, 51] Operation: 68-17=51 Exploring Operation: 68+17=85, Resulting Numbers: [84, 73, 85] Generated Node #0,2: 74:[84, 73, 85] Operation: 68+17=85 Exploring Operation: 68/17=4, Resulting Numbers: [84, 73, 4] Generated Node #0,3: 74:[84, 73, 4] Operation: 68/17=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[84, 73, 4], Operations: ['68/17=4'] Exploring Operation: 84-4=80, Resulting Numbers: [73, 80] Generated Node #0,3,0: 74:[73, 80] Operation: 84-4=80 Exploring Operation: 84+4=88, Resulting Numbers: [73, 88] Generated Node #0,3,1: 74:[73, 88] Operation: 84+4=88 Exploring Operation: 84-73=11, Resulting Numbers: [4, 11] Generated Node #0,3,2: 74:[4, 11] Operation: 84-73=11 Exploring Operation: 73+4=77, Resulting Numbers: [84, 77] Generated Node #0,3,3: 74:[84, 77] Operation: 73+4=77 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[73, 80], Operations: ['68/17=4', '84-4=80'] Exploring Operation: 73*80=5840, Resulting Numbers: [5840] 5840,74 unequal: No Solution Exploring Operation: 73+80=153, Resulting Numbers: [153] 153,74 unequal: No Solution Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[4, 11], Operations: ['68/17=4', '84-73=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 74:[84, 77], Operations: ['68/17=4', '73+4=77'] Exploring Operation: 84*77=6468, Resulting Numbers: [6468] 6468,74 unequal: No Solution Exploring Operation: 84+77=161, Resulting Numbers: [161] 161,74 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[73, 88], Operations: ['68/17=4', '84+4=88'] Exploring Operation: 88-73=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 73*88=6424, Resulting Numbers: [6424] 6424,74 unequal: No Solution Exploring Operation: 73+88=161, Resulting Numbers: [161] 161,74 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:[68, 73, 67], Operations: ['84-17=67'] Exploring Operation: 73-67=6, Resulting Numbers: [68, 6] Generated Node #0,0,0: 74:[68, 6] Operation: 73-67=6 Exploring Operation: 73-68=5, Resulting Numbers: [67, 5] Generated Node #0,0,1: 74:[67, 5] Operation: 73-68=5 Exploring Operation: 68+67=135, Resulting Numbers: [73, 135] Generated Node #0,0,2: 74:[73, 135] Operation: 68+67=135 Exploring Operation: 68-67=1, Resulting Numbers: [73, 1] Generated Node #0,0,3: 74:[73, 1] Operation: 68-67=1 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 74:[73, 1], Operations: ['84-17=67', '68-67=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[68, 17, 84, 73], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [68, 73, 67] Generated Node #0,0: 74:[68, 73, 67] Operation: 84-17=67 Moving to Node #0,0 Current State: 74:[68, 73, 67], Operations: ['84-17=67'] Exploring Operation: 68-67=1, Resulting Numbers: [73, 1] Generated Node #0,0,3: 74:[73, 1] Operation: 68-67=1 Moving to Node #0,0,3 Current State: 74:[73, 1], Operations: ['84-17=67', '68-67=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 67, 30, 63, 69 ]
62
[ "69-63=6", "30/6=5", "67-5=62" ]
Current State: 62:[67, 30, 63, 69], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [67, 30, 6] Generated Node #2: [67, 30, 6] from Operation: 69-63=6 Current State: 62:[67, 30, 6], Operations: ['69-63=6'] Exploring Operation: 30/6=5, Resulting Numbers: [67, 5] Generated Node #3: [67, 5] from Operation: 30/6=5 Current State: 62:[67, 5], Operations: ['69-63=6', '30/6=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[67, 30, 63, 69], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [30, 63, 2] Generated Node #0,0: 62:[30, 63, 2] Operation: 69-67=2 Exploring Operation: 67-63=4, Resulting Numbers: [30, 69, 4] Generated Node #0,1: 62:[30, 69, 4] Operation: 67-63=4 Exploring Operation: 69-63=6, Resulting Numbers: [67, 30, 6] Generated Node #0,2: 62:[67, 30, 6] Operation: 69-63=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[30, 63, 2], Operations: ['69-67=2'] Exploring Operation: 63-2=61, Resulting Numbers: [30, 61] Generated Node #0,0,0: 62:[30, 61] Operation: 63-2=61 Exploring Operation: 63-30=33, Resulting Numbers: [2, 33] Generated Node #0,0,1: 62:[2, 33] Operation: 63-30=33 Exploring Operation: 30+2=32, Resulting Numbers: [63, 32] Generated Node #0,0,2: 62:[63, 32] Operation: 30+2=32 Moving to Node #0,0,0 Current State: 62:[30, 61], Operations: ['69-67=2', '63-2=61'] Exploring Operation: 30+61=91, Resulting Numbers: [91] 91,62 unequal: No Solution Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 30*61=1830, Resulting Numbers: [1830] 1830,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[2, 33], Operations: ['69-67=2', '63-30=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,62 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[63, 32], Operations: ['69-67=2', '30+2=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,62 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[30, 69, 4], Operations: ['67-63=4'] Exploring Operation: 69-4=65, Resulting Numbers: [30, 65] Generated Node #0,1,0: 62:[30, 65] Operation: 69-4=65 Exploring Operation: 30+4=34, Resulting Numbers: [69, 34] Generated Node #0,1,1: 62:[69, 34] Operation: 30+4=34 Exploring Operation: 69-30=39, Resulting Numbers: [4, 39] Generated Node #0,1,2: 62:[4, 39] Operation: 69-30=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 62:[30, 65], Operations: ['67-63=4', '69-4=65'] Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 30+65=95, Resulting Numbers: [95] 95,62 unequal: No Solution Exploring Operation: 30*65=1950, Resulting Numbers: [1950] 1950,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[69, 34], Operations: ['67-63=4', '30+4=34'] Exploring Operation: 69+34=103, Resulting Numbers: [103] 103,62 unequal: No Solution Exploring Operation: 69*34=2346, Resulting Numbers: [2346] 2346,62 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 62:[4, 39], Operations: ['67-63=4', '69-30=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,62 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,62 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[67, 30, 6], Operations: ['69-63=6'] Exploring Operation: 30/6=5, Resulting Numbers: [67, 5] Generated Node #0,2,0: 62:[67, 5] Operation: 30/6=5 Exploring Operation: 67-6=61, Resulting Numbers: [30, 61] Generated Node #0,2,1: 62:[30, 61] Operation: 67-6=61 Exploring Operation: 67-30=37, Resulting Numbers: [6, 37] Generated Node #0,2,2: 62:[6, 37] Operation: 67-30=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 62:[30, 61], Operations: ['69-63=6', '67-6=61'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 30+61=91, Resulting Numbers: [91] 91,62 unequal: No Solution Exploring Operation: 30*61=1830, Resulting Numbers: [1830] 1830,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[67, 5], Operations: ['69-63=6', '30/6=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,62 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,62 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[67, 30, 63, 69], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [67, 30, 6] Generated Node #0,2: 62:[67, 30, 6] Operation: 69-63=6 Moving to Node #0,2 Current State: 62:[67, 30, 6], Operations: ['69-63=6'] Exploring Operation: 30/6=5, Resulting Numbers: [67, 5] Generated Node #0,2,0: 62:[67, 5] Operation: 30/6=5 Moving to Node #0,2,0 Current State: 62:[67, 5], Operations: ['69-63=6', '30/6=5'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_3
mult_heuristic
[ 3, 47, 55, 22 ]
52
[ "55-22=33", "3*33=99", "99-47=52" ]
Current State: 52:[3, 47, 55, 22], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [3, 47, 33] Generated Node #2: [3, 47, 33] from Operation: 55-22=33 Current State: 52:[3, 47, 33], Operations: ['55-22=33'] Exploring Operation: 3*33=99, Resulting Numbers: [47, 99] Generated Node #3: [47, 99] from Operation: 3*33=99 Current State: 52:[47, 99], Operations: ['55-22=33', '3*33=99'] Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[3, 47, 55, 22], Operations: [] Exploring Operation: 47-22=25, Resulting Numbers: [3, 55, 25] Generated Node #0,0: 52:[3, 55, 25] Operation: 47-22=25 Exploring Operation: 3+47=50, Resulting Numbers: [55, 22, 50] Generated Node #0,1: 52:[55, 22, 50] Operation: 3+47=50 Moving to Node #0,0 Current State: 52:[3, 55, 25], Operations: ['47-22=25'] Exploring Operation: 3+25=28, Resulting Numbers: [55, 28] Generated Node #0,0,0: 52:[55, 28] Operation: 3+25=28 Exploring Operation: 55-3=52, Resulting Numbers: [25, 52] Generated Node #0,0,1: 52:[25, 52] Operation: 55-3=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[25, 52], Operations: ['47-22=25', '55-3=52'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 25+52=77, Resulting Numbers: [77] 77,52 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 #0,0,0 Current State: 52:[55, 28], Operations: ['47-22=25', '3+25=28'] Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,52 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,52 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: 52:[55, 22, 50], Operations: ['3+47=50'] Exploring Operation: 55-50=5, Resulting Numbers: [22, 5] Generated Node #0,1,0: 52:[22, 5] Operation: 55-50=5 Exploring Operation: 50-22=28, Resulting Numbers: [55, 28] Generated Node #0,1,1: 52:[55, 28] Operation: 50-22=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[22, 5], Operations: ['3+47=50', '55-50=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,52 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 #0,1,1 Current State: 52:[55, 28], Operations: ['3+47=50', '50-22=28'] Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,52 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 64, 80, 83, 22 ]
39
[ "64+80=144", "83+22=105", "144-105=39" ]
Current State: 39:[64, 80, 83, 22], Operations: [] Exploring Operation: 64+80=144, Resulting Numbers: [83, 22, 144] Generated Node #2: [83, 22, 144] from Operation: 64+80=144 Current State: 39:[83, 22, 144], Operations: ['64+80=144'] Exploring Operation: 83+22=105, Resulting Numbers: [144, 105] Generated Node #3: [144, 105] from Operation: 83+22=105 Current State: 39:[144, 105], Operations: ['64+80=144', '83+22=105'] Exploring Operation: 144-105=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[64, 80, 83, 22], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [83, 22, 16] Generated Node #0,0: 39:[83, 22, 16] Operation: 80-64=16 Exploring Operation: 64-22=42, Resulting Numbers: [80, 83, 42] Generated Node #0,1: 39:[80, 83, 42] Operation: 64-22=42 Exploring Operation: 83-80=3, Resulting Numbers: [64, 22, 3] Generated Node #0,2: 39:[64, 22, 3] Operation: 83-80=3 Exploring Operation: 83-64=19, Resulting Numbers: [80, 22, 19] Generated Node #0,3: 39:[80, 22, 19] Operation: 83-64=19 Moving to Node #0,2 Current State: 39:[64, 22, 3], Operations: ['83-80=3'] Exploring Operation: 64-22=42, Resulting Numbers: [3, 42] Generated Node #0,2,0: 39:[3, 42] Operation: 64-22=42 Exploring Operation: 22-3=19, Resulting Numbers: [64, 19] Generated Node #0,2,1: 39:[64, 19] Operation: 22-3=19 Exploring Operation: 64-3=61, Resulting Numbers: [22, 61] Generated Node #0,2,2: 39:[22, 61] Operation: 64-3=61 Exploring Operation: 64+3=67, Resulting Numbers: [22, 67] Generated Node #0,2,3: 39:[22, 67] Operation: 64+3=67 Moving to Node #0,3 Current State: 39:[80, 22, 19], Operations: ['83-64=19'] Exploring Operation: 22-19=3, Resulting Numbers: [80, 3] Generated Node #0,3,0: 39:[80, 3] Operation: 22-19=3 Exploring Operation: 80-22=58, Resulting Numbers: [19, 58] Generated Node #0,3,1: 39:[19, 58] Operation: 80-22=58 Exploring Operation: 80-19=61, Resulting Numbers: [22, 61] Generated Node #0,3,2: 39:[22, 61] Operation: 80-19=61 Exploring Operation: 22+19=41, Resulting Numbers: [80, 41] Generated Node #0,3,3: 39:[80, 41] Operation: 22+19=41 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[19, 58], Operations: ['83-64=19', '80-22=58'] Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,39 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[64, 80, 83, 22], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [80, 22, 19] Generated Node #0,3: 39:[80, 22, 19] Operation: 83-64=19 Moving to Node #0,3 Current State: 39:[80, 22, 19], Operations: ['83-64=19'] Exploring Operation: 80-22=58, Resulting Numbers: [19, 58] Generated Node #0,3,1: 39:[19, 58] Operation: 80-22=58 Moving to Node #0,3,1 Current State: 39:[19, 58], Operations: ['83-64=19', '80-22=58'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 97, 68, 4, 15 ]
40
[ "97-68=29", "15-4=11", "29+11=40" ]
Current State: 40:[97, 68, 4, 15], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [4, 15, 29] Generated Node #2: [4, 15, 29] from Operation: 97-68=29 Current State: 40:[4, 15, 29], Operations: ['97-68=29'] Exploring Operation: 15-4=11, Resulting Numbers: [29, 11] Generated Node #3: [29, 11] from Operation: 15-4=11 Current State: 40:[29, 11], Operations: ['97-68=29', '15-4=11'] Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[97, 68, 4, 15], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [4, 15, 29] Generated Node #0,0: 40:[4, 15, 29] Operation: 97-68=29 Exploring Operation: 68-15=53, Resulting Numbers: [97, 4, 53] Generated Node #0,1: 40:[97, 4, 53] Operation: 68-15=53 Exploring Operation: 68/4=17, Resulting Numbers: [97, 15, 17] Generated Node #0,2: 40:[97, 15, 17] Operation: 68/4=17 Exploring Operation: 97-15=82, Resulting Numbers: [68, 4, 82] Generated Node #0,3: 40:[68, 4, 82] Operation: 97-15=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[4, 15, 29], Operations: ['97-68=29'] Exploring Operation: 4+15=19, Resulting Numbers: [29, 19] Generated Node #0,0,0: 40:[29, 19] Operation: 4+15=19 Exploring Operation: 15-4=11, Resulting Numbers: [29, 11] Generated Node #0,0,1: 40:[29, 11] Operation: 15-4=11 Exploring Operation: 15+29=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 40:[4, 44] Operation: 15+29=44 Exploring Operation: 29-15=14, Resulting Numbers: [4, 14] Generated Node #0,0,3: 40:[4, 14] Operation: 29-15=14 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 40:[4, 44], Operations: ['97-68=29', '15+29=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,40 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,40 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[97, 68, 4, 15], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [4, 15, 29] Generated Node #0,0: 40:[4, 15, 29] Operation: 97-68=29 Moving to Node #0,0 Current State: 40:[4, 15, 29], Operations: ['97-68=29'] Exploring Operation: 15+29=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 40:[4, 44] Operation: 15+29=44 Moving to Node #0,0,2 Current State: 40:[4, 44], Operations: ['97-68=29', '15+29=44'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 3, 71, 67, 12 ]
11
[ "71-3=68", "67+12=79", "79-68=11" ]
Current State: 11:[3, 71, 67, 12], Operations: [] Exploring Operation: 71-3=68, Resulting Numbers: [67, 12, 68] Generated Node #2: [67, 12, 68] from Operation: 71-3=68 Current State: 11:[67, 12, 68], Operations: ['71-3=68'] Exploring Operation: 67+12=79, Resulting Numbers: [68, 79] Generated Node #3: [68, 79] from Operation: 67+12=79 Current State: 11:[68, 79], Operations: ['71-3=68', '67+12=79'] Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[3, 71, 67, 12], Operations: [] Exploring Operation: 71-3=68, Resulting Numbers: [67, 12, 68] Generated Node #0,0: 11:[67, 12, 68] Operation: 71-3=68 Exploring Operation: 71-12=59, Resulting Numbers: [3, 67, 59] Generated Node #0,1: 11:[3, 67, 59] Operation: 71-12=59 Exploring Operation: 71-67=4, Resulting Numbers: [3, 12, 4] Generated Node #0,2: 11:[3, 12, 4] Operation: 71-67=4 Exploring Operation: 67-12=55, Resulting Numbers: [3, 71, 55] Generated Node #0,3: 11:[3, 71, 55] Operation: 67-12=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[3, 12, 4], Operations: ['71-67=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12, 12] Generated Node #0,2,0: 11:[12, 12] Operation: 3*4=12 Exploring Operation: 3+12=15, Resulting Numbers: [4, 15] Generated Node #0,2,1: 11:[4, 15] Operation: 3+12=15 Exploring Operation: 12-3=9, Resulting Numbers: [4, 9] Generated Node #0,2,2: 11:[4, 9] Operation: 12-3=9 Exploring Operation: 3+4=7, Resulting Numbers: [12, 7] Generated Node #0,2,3: 11:[12, 7] Operation: 3+4=7 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[12, 12], Operations: ['71-67=4', '3*4=12'] Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,11 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 11:[12, 7], Operations: ['71-67=4', '3+4=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[4, 9], Operations: ['71-67=4', '12-3=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[4, 15], Operations: ['71-67=4', '3+12=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[3, 71, 67, 12], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [3, 12, 4] Generated Node #0,2: 11:[3, 12, 4] Operation: 71-67=4 Moving to Node #0,2 Current State: 11:[3, 12, 4], Operations: ['71-67=4'] Exploring Operation: 3+12=15, Resulting Numbers: [4, 15] Generated Node #0,2,1: 11:[4, 15] Operation: 3+12=15 Moving to Node #0,2,1 Current State: 11:[4, 15], Operations: ['71-67=4', '3+12=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 70, 7, 4, 52 ]
86
[ "7-4=3", "52*3=156", "156-70=86" ]
Current State: 86:[70, 7, 4, 52], Operations: [] Exploring Operation: 7-4=3, Resulting Numbers: [70, 52, 3] Generated Node #2: [70, 52, 3] from Operation: 7-4=3 Current State: 86:[70, 52, 3], Operations: ['7-4=3'] Exploring Operation: 52*3=156, Resulting Numbers: [70, 156] Generated Node #3: [70, 156] from Operation: 52*3=156 Current State: 86:[70, 156], Operations: ['7-4=3', '52*3=156'] Exploring Operation: 156-70=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[70, 7, 4, 52], Operations: [] Exploring Operation: 70/7=10, Resulting Numbers: [4, 52, 10] Generated Node #0,0: 86:[4, 52, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[4, 52, 10], Operations: ['70/7=10'] Exploring Operation: 52-10=42, Resulting Numbers: [4, 42] Generated Node #0,0,0: 86:[4, 42] Operation: 52-10=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[4, 42], Operations: ['70/7=10', '52-10=42'] Exploring Operation: 4+42=46, Resulting Numbers: [46] 46,86 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 18, 2, 69, 69 ]
34
[ "69/69=1", "18-1=17", "2*17=34" ]
Current State: 34:[18, 2, 69, 69], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [18, 2, 1] Generated Node #2: [18, 2, 1] from Operation: 69/69=1 Current State: 34:[18, 2, 1], Operations: ['69/69=1'] Exploring Operation: 18-1=17, Resulting Numbers: [2, 17] Generated Node #3: [2, 17] from Operation: 18-1=17 Current State: 34:[2, 17], Operations: ['69/69=1', '18-1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[18, 2, 69, 69], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [18, 2, 1] Generated Node #0,0: 34:[18, 2, 1] Operation: 69/69=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[18, 2, 1], Operations: ['69/69=1'] Exploring Operation: 18-1=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 18-1=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['69/69=1', '18-1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[18, 2, 69, 69], Operations: [] Exploring Operation: 69/69=1, Resulting Numbers: [18, 2, 1] Generated Node #0,0: 34:[18, 2, 1] Operation: 69/69=1 Moving to Node #0,0 Current State: 34:[18, 2, 1], Operations: ['69/69=1'] Exploring Operation: 18-1=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 18-1=17 Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['69/69=1', '18-1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 34, 25, 62, 37 ]
34
[ "34+25=59", "62-37=25", "59-25=34" ]
Current State: 34:[34, 25, 62, 37], Operations: [] Exploring Operation: 34+25=59, Resulting Numbers: [62, 37, 59] Generated Node #2: [62, 37, 59] from Operation: 34+25=59 Current State: 34:[62, 37, 59], Operations: ['34+25=59'] Exploring Operation: 62-37=25, Resulting Numbers: [59, 25] Generated Node #3: [59, 25] from Operation: 62-37=25 Current State: 34:[59, 25], Operations: ['34+25=59', '62-37=25'] Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[34, 25, 62, 37], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [34, 37, 37] Generated Node #0,0: 34:[34, 37, 37] Operation: 62-25=37 Exploring Operation: 62-37=25, Resulting Numbers: [34, 25, 25] Generated Node #0,1: 34:[34, 25, 25] Operation: 62-37=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[34, 37, 37], Operations: ['62-25=37'] Exploring Operation: 37/37=1, Resulting Numbers: [34, 1] Generated Node #0,0,0: 34:[34, 1] Operation: 37/37=1 Exploring Operation: 37-37=0, Resulting Numbers: [34, 0] Generated Node #0,0,1: 34:[34, 0] Operation: 37-37=0 Moving to Node #0,0,0 Current State: 34:[34, 1], Operations: ['62-25=37', '37/37=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[34, 25, 62, 37], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [34, 37, 37] Generated Node #0,0: 34:[34, 37, 37] Operation: 62-25=37 Moving to Node #0,0 Current State: 34:[34, 37, 37], Operations: ['62-25=37'] Exploring Operation: 37/37=1, Resulting Numbers: [34, 1] Generated Node #0,0,0: 34:[34, 1] Operation: 37/37=1 Moving to Node #0,0,0 Current State: 34:[34, 1], Operations: ['62-25=37', '37/37=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 39, 37, 6, 45 ]
53
[ "39-37=2", "6+45=51", "2+51=53" ]
Current State: 53:[39, 37, 6, 45], Operations: [] Exploring Operation: 39-37=2, Resulting Numbers: [6, 45, 2] Generated Node #2: [6, 45, 2] from Operation: 39-37=2 Current State: 53:[6, 45, 2], Operations: ['39-37=2'] Exploring Operation: 6+45=51, Resulting Numbers: [2, 51] Generated Node #3: [2, 51] from Operation: 6+45=51 Current State: 53:[2, 51], Operations: ['39-37=2', '6+45=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[39, 37, 6, 45], Operations: [] Exploring Operation: 39+6=45, Resulting Numbers: [37, 45, 45] Generated Node #0,0: 53:[37, 45, 45] Operation: 39+6=45 Exploring Operation: 37+6=43, Resulting Numbers: [39, 45, 43] Generated Node #0,1: 53:[39, 45, 43] Operation: 37+6=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[37, 45, 45], Operations: ['39+6=45'] Exploring Operation: 37+45=82, Resulting Numbers: [45, 82] Generated Node #0,0,0: 53:[45, 82] Operation: 37+45=82 Exploring Operation: 37+45=82, Resulting Numbers: [45, 82] Generated Node #0,0,1: 53:[45, 82] Operation: 37+45=82 Moving to Node #0,0,0 Current State: 53:[45, 82], Operations: ['39+6=45', '37+45=82'] Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,53 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[45, 82], Operations: ['39+6=45', '37+45=82'] Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,53 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,53 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:[39, 45, 43], Operations: ['37+6=43'] Exploring Operation: 39+43=82, Resulting Numbers: [45, 82] Generated Node #0,1,0: 53:[45, 82] Operation: 39+43=82 Exploring Operation: 39+45=84, Resulting Numbers: [43, 84] Generated Node #0,1,1: 53:[43, 84] Operation: 39+45=84 Moving to Node #0,1,0 Current State: 53:[45, 82], Operations: ['37+6=43', '39+43=82'] Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[43, 84], Operations: ['37+6=43', '39+45=84'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 43+84=127, Resulting Numbers: [127] 127,53 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
[ 8, 42, 91, 14 ]
27
[ "8+42=50", "91-14=77", "77-50=27" ]
Current State: 27:[8, 42, 91, 14], Operations: [] Exploring Operation: 8+42=50, Resulting Numbers: [91, 14, 50] Generated Node #2: [91, 14, 50] from Operation: 8+42=50 Current State: 27:[91, 14, 50], Operations: ['8+42=50'] Exploring Operation: 91-14=77, Resulting Numbers: [50, 77] Generated Node #3: [50, 77] from Operation: 91-14=77 Current State: 27:[50, 77], Operations: ['8+42=50', '91-14=77'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[8, 42, 91, 14], Operations: [] Exploring Operation: 91-42=49, Resulting Numbers: [8, 14, 49] Generated Node #0,0: 27:[8, 14, 49] Operation: 91-42=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[8, 14, 49], Operations: ['91-42=49'] Exploring Operation: 49-14=35, Resulting Numbers: [8, 35] Generated Node #0,0,0: 27:[8, 35] Operation: 49-14=35 Moving to Node #0,0,0 Current State: 27:[8, 35], Operations: ['91-42=49', '49-14=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[8, 42, 91, 14], Operations: [] Exploring Operation: 91-42=49, Resulting Numbers: [8, 14, 49] Generated Node #0,0: 27:[8, 14, 49] Operation: 91-42=49 Moving to Node #0,0 Current State: 27:[8, 14, 49], Operations: ['91-42=49'] Exploring Operation: 49-14=35, Resulting Numbers: [8, 35] Generated Node #0,0,0: 27:[8, 35] Operation: 49-14=35 Moving to Node #0,0,0 Current State: 27:[8, 35], Operations: ['91-42=49', '49-14=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 57, 6, 52, 11 ]
71
[ "57-52=5", "6*11=66", "5+66=71" ]
Current State: 71:[57, 6, 52, 11], Operations: [] Exploring Operation: 57-52=5, Resulting Numbers: [6, 11, 5] Generated Node #2: [6, 11, 5] from Operation: 57-52=5 Current State: 71:[6, 11, 5], Operations: ['57-52=5'] Exploring Operation: 6*11=66, Resulting Numbers: [5, 66] Generated Node #3: [5, 66] from Operation: 6*11=66 Current State: 71:[5, 66], Operations: ['57-52=5', '6*11=66'] Exploring Operation: 5+66=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[57, 6, 52, 11], Operations: [] Exploring Operation: 57+11=68, Resulting Numbers: [6, 52, 68] Generated Node #0,0: 71:[6, 52, 68] Operation: 57+11=68 Exploring Operation: 57+6=63, Resulting Numbers: [52, 11, 63] Generated Node #0,1: 71:[52, 11, 63] Operation: 57+6=63 Exploring Operation: 6*11=66, Resulting Numbers: [57, 52, 66] Generated Node #0,2: 71:[57, 52, 66] Operation: 6*11=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[57, 52, 66], Operations: ['6*11=66'] Exploring Operation: 57+52=109, Resulting Numbers: [66, 109] Generated Node #0,2,0: 71:[66, 109] Operation: 57+52=109 Exploring Operation: 57-52=5, Resulting Numbers: [66, 5] Generated Node #0,2,1: 71:[66, 5] Operation: 57-52=5 Exploring Operation: 52+66=118, Resulting Numbers: [57, 118] Generated Node #0,2,2: 71:[57, 118] Operation: 52+66=118 Moving to Node #0,2,0 Current State: 71:[66, 109], Operations: ['6*11=66', '57+52=109'] Exploring Operation: 109-66=43, Resulting Numbers: [43] 43,71 unequal: No Solution Exploring Operation: 66*109=7194, Resulting Numbers: [7194] 7194,71 unequal: No Solution Exploring Operation: 66+109=175, Resulting Numbers: [175] 175,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[57, 118], Operations: ['6*11=66', '52+66=118'] Exploring Operation: 57*118=6726, Resulting Numbers: [6726] 6726,71 unequal: No Solution Exploring Operation: 57+118=175, Resulting Numbers: [175] 175,71 unequal: No Solution Exploring Operation: 118-57=61, Resulting Numbers: [61] 61,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[66, 5], Operations: ['6*11=66', '57-52=5'] Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,71 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[57, 6, 52, 11], Operations: [] Exploring Operation: 6*11=66, Resulting Numbers: [57, 52, 66] Generated Node #0,2: 71:[57, 52, 66] Operation: 6*11=66 Moving to Node #0,2 Current State: 71:[57, 52, 66], Operations: ['6*11=66'] Exploring Operation: 57-52=5, Resulting Numbers: [66, 5] Generated Node #0,2,1: 71:[66, 5] Operation: 57-52=5 Moving to Node #0,2,1 Current State: 71:[66, 5], Operations: ['6*11=66', '57-52=5'] Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 84, 78, 10, 57 ]
73
[ "84-78=6", "10+57=67", "6+67=73" ]
Current State: 73:[84, 78, 10, 57], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [10, 57, 6] Generated Node #2: [10, 57, 6] from Operation: 84-78=6 Current State: 73:[10, 57, 6], Operations: ['84-78=6'] Exploring Operation: 10+57=67, Resulting Numbers: [6, 67] Generated Node #3: [6, 67] from Operation: 10+57=67 Current State: 73:[6, 67], Operations: ['84-78=6', '10+57=67'] Exploring Operation: 6+67=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[84, 78, 10, 57], Operations: [] Exploring Operation: 10+57=67, Resulting Numbers: [84, 78, 67] Generated Node #0,0: 73:[84, 78, 67] Operation: 10+57=67 Exploring Operation: 78-10=68, Resulting Numbers: [84, 57, 68] Generated Node #0,1: 73:[84, 57, 68] Operation: 78-10=68 Exploring Operation: 84-10=74, Resulting Numbers: [78, 57, 74] Generated Node #0,2: 73:[78, 57, 74] Operation: 84-10=74 Exploring Operation: 84+10=94, Resulting Numbers: [78, 57, 94] Generated Node #0,3: 73:[78, 57, 94] Operation: 84+10=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[84, 78, 67], Operations: ['10+57=67'] Exploring Operation: 84+67=151, Resulting Numbers: [78, 151] Generated Node #0,0,0: 73:[78, 151] Operation: 84+67=151 Exploring Operation: 84-67=17, Resulting Numbers: [78, 17] Generated Node #0,0,1: 73:[78, 17] Operation: 84-67=17 Exploring Operation: 84-78=6, Resulting Numbers: [67, 6] Generated Node #0,0,2: 73:[67, 6] Operation: 84-78=6 Exploring Operation: 78-67=11, Resulting Numbers: [84, 11] Generated Node #0,0,3: 73:[84, 11] Operation: 78-67=11 Moving to Node #0,0,1 Current State: 73:[78, 17], Operations: ['10+57=67', '84-67=17'] Exploring Operation: 78*17=1326, Resulting Numbers: [1326] 1326,73 unequal: No Solution Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[84, 11], Operations: ['10+57=67', '78-67=11'] Exploring Operation: 84+11=95, Resulting Numbers: [95] 95,73 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[84, 78, 10, 57], Operations: [] Exploring Operation: 10+57=67, Resulting Numbers: [84, 78, 67] Generated Node #0,0: 73:[84, 78, 67] Operation: 10+57=67 Moving to Node #0,0 Current State: 73:[84, 78, 67], Operations: ['10+57=67'] Exploring Operation: 78-67=11, Resulting Numbers: [84, 11] Generated Node #0,0,3: 73:[84, 11] Operation: 78-67=11 Moving to Node #0,0,3 Current State: 73:[84, 11], Operations: ['10+57=67', '78-67=11'] Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 45, 70, 21, 55 ]
24
[ "70-55=15", "45/15=3", "21+3=24" ]
Current State: 24:[45, 70, 21, 55], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [45, 21, 15] Generated Node #2: [45, 21, 15] from Operation: 70-55=15 Current State: 24:[45, 21, 15], Operations: ['70-55=15'] Exploring Operation: 45/15=3, Resulting Numbers: [21, 3] Generated Node #3: [21, 3] from Operation: 45/15=3 Current State: 24:[21, 3], Operations: ['70-55=15', '45/15=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[45, 70, 21, 55], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [45, 21, 15] Generated Node #0,0: 24:[45, 21, 15] Operation: 70-55=15 Moving to Node #0,0 Current State: 24:[45, 21, 15], Operations: ['70-55=15'] Exploring Operation: 45-21=24, Resulting Numbers: [15, 24] Generated Node #0,0,0: 24:[15, 24] Operation: 45-21=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[15, 24], Operations: ['70-55=15', '45-21=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,24 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
[ 22, 4, 14, 22 ]
19
[ "22/22=1", "4+14=18", "1+18=19" ]
Current State: 19:[22, 4, 14, 22], Operations: [] Exploring Operation: 22/22=1, Resulting Numbers: [4, 14, 1] Generated Node #2: [4, 14, 1] from Operation: 22/22=1 Current State: 19:[4, 14, 1], Operations: ['22/22=1'] Exploring Operation: 4+14=18, Resulting Numbers: [1, 18] Generated Node #3: [1, 18] from Operation: 4+14=18 Current State: 19:[1, 18], Operations: ['22/22=1', '4+14=18'] Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[22, 4, 14, 22], Operations: [] Exploring Operation: 4+14=18, Resulting Numbers: [22, 22, 18] Generated Node #0,0: 19:[22, 22, 18] Operation: 4+14=18 Exploring Operation: 14-4=10, Resulting Numbers: [22, 22, 10] Generated Node #0,1: 19:[22, 22, 10] Operation: 14-4=10 Exploring Operation: 22+4=26, Resulting Numbers: [14, 22, 26] Generated Node #0,2: 19:[14, 22, 26] Operation: 22+4=26 Exploring Operation: 22-4=18, Resulting Numbers: [14, 22, 18] Generated Node #0,3: 19:[14, 22, 18] Operation: 22-4=18 Exploring Operation: 22-4=18, Resulting Numbers: [22, 14, 18] Generated Node #0,4: 19:[22, 14, 18] Operation: 22-4=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[22, 22, 18], Operations: ['4+14=18'] Exploring Operation: 22+18=40, Resulting Numbers: [22, 40] Generated Node #0,0,0: 19:[22, 40] Operation: 22+18=40 Exploring Operation: 22-18=4, Resulting Numbers: [22, 4] Generated Node #0,0,1: 19:[22, 4] Operation: 22-18=4 Exploring Operation: 22-22=0, Resulting Numbers: [18, 0] Generated Node #0,0,2: 19:[18, 0] Operation: 22-22=0 Exploring Operation: 22-18=4, Resulting Numbers: [22, 4] Generated Node #0,0,3: 19:[22, 4] Operation: 22-18=4 Exploring Operation: 22/22=1, Resulting Numbers: [18, 1] Generated Node #0,0,4: 19:[18, 1] Operation: 22/22=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[22, 4], Operations: ['4+14=18', '22-18=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,19 unequal: No Solution No 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: 19:[22, 4], Operations: ['4+14=18', '22-18=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,19 unequal: No Solution No 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: 19:[18, 1], Operations: ['4+14=18', '22/22=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[22, 4, 14, 22], Operations: [] Exploring Operation: 4+14=18, Resulting Numbers: [22, 22, 18] Generated Node #0,0: 19:[22, 22, 18] Operation: 4+14=18 Moving to Node #0,0 Current State: 19:[22, 22, 18], Operations: ['4+14=18'] Exploring Operation: 22/22=1, Resulting Numbers: [18, 1] Generated Node #0,0,4: 19:[18, 1] Operation: 22/22=1 Moving to Node #0,0,4 Current State: 19:[18, 1], Operations: ['4+14=18', '22/22=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 62, 21, 47, 54 ]
18
[ "62+21=83", "47+54=101", "101-83=18" ]
Current State: 18:[62, 21, 47, 54], Operations: [] Exploring Operation: 62+21=83, Resulting Numbers: [47, 54, 83] Generated Node #2: [47, 54, 83] from Operation: 62+21=83 Current State: 18:[47, 54, 83], Operations: ['62+21=83'] Exploring Operation: 47+54=101, Resulting Numbers: [83, 101] Generated Node #3: [83, 101] from Operation: 47+54=101 Current State: 18:[83, 101], Operations: ['62+21=83', '47+54=101'] Exploring Operation: 101-83=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[62, 21, 47, 54], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [21, 54, 15] Generated Node #0,0: 18:[21, 54, 15] Operation: 62-47=15 Exploring Operation: 62-54=8, Resulting Numbers: [21, 47, 8] Generated Node #0,1: 18:[21, 47, 8] Operation: 62-54=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[21, 47, 8], Operations: ['62-54=8'] Exploring Operation: 47-8=39, Resulting Numbers: [21, 39] Generated Node #0,1,0: 18:[21, 39] Operation: 47-8=39 Exploring Operation: 47-21=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 18:[8, 26] Operation: 47-21=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[8, 26], Operations: ['62-54=8', '47-21=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[62, 21, 47, 54], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [21, 47, 8] Generated Node #0,1: 18:[21, 47, 8] Operation: 62-54=8 Moving to Node #0,1 Current State: 18:[21, 47, 8], Operations: ['62-54=8'] Exploring Operation: 47-21=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 18:[8, 26] Operation: 47-21=26 Moving to Node #0,1,1 Current State: 18:[8, 26], Operations: ['62-54=8', '47-21=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 93, 44, 84, 56 ]
18
[ "93*56=5208", "5208/84=62", "62-44=18" ]
Current State: 18:[93, 44, 84, 56], Operations: [] Exploring Operation: 93*56=5208, Resulting Numbers: [44, 84, 5208] Generated Node #2: [44, 84, 5208] from Operation: 93*56=5208 Current State: 18:[44, 84, 5208], Operations: ['93*56=5208'] Exploring Operation: 5208/84=62, Resulting Numbers: [44, 62] Generated Node #3: [44, 62] from Operation: 5208/84=62 Current State: 18:[44, 62], Operations: ['93*56=5208', '5208/84=62'] Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[93, 44, 84, 56], Operations: [] Exploring Operation: 93-56=37, Resulting Numbers: [44, 84, 37] Generated Node #0,0: 18:[44, 84, 37] Operation: 93-56=37 Exploring Operation: 84-56=28, Resulting Numbers: [93, 44, 28] Generated Node #0,1: 18:[93, 44, 28] Operation: 84-56=28 Exploring Operation: 93-44=49, Resulting Numbers: [84, 56, 49] Generated Node #0,2: 18:[84, 56, 49] Operation: 93-44=49 Exploring Operation: 93-84=9, Resulting Numbers: [44, 56, 9] Generated Node #0,3: 18:[44, 56, 9] Operation: 93-84=9 Moving to Node #0,3 Current State: 18:[44, 56, 9], Operations: ['93-84=9'] Exploring Operation: 44-9=35, Resulting Numbers: [56, 35] Generated Node #0,3,0: 18:[56, 35] Operation: 44-9=35 Exploring Operation: 44+9=53, Resulting Numbers: [56, 53] Generated Node #0,3,1: 18:[56, 53] Operation: 44+9=53 Exploring Operation: 56-44=12, Resulting Numbers: [9, 12] Generated Node #0,3,2: 18:[9, 12] Operation: 56-44=12 Exploring Operation: 56-9=47, Resulting Numbers: [44, 47] Generated Node #0,3,3: 18:[44, 47] Operation: 56-9=47 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 18:[9, 12], Operations: ['93-84=9', '56-44=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[56, 35], Operations: ['93-84=9', '44-9=35'] Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,18 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 18:[44, 47], Operations: ['93-84=9', '56-9=47'] Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 44+47=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 44*47=2068, Resulting Numbers: [2068] 2068,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 18:[56, 53], Operations: ['93-84=9', '44+9=53'] Exploring Operation: 56*53=2968, Resulting Numbers: [2968] 2968,18 unequal: No Solution Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,18 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: 18:[93, 44, 28], Operations: ['84-56=28'] Exploring Operation: 44-28=16, Resulting Numbers: [93, 16] Generated Node #0,1,0: 18:[93, 16] Operation: 44-28=16 Exploring Operation: 93+44=137, Resulting Numbers: [28, 137] Generated Node #0,1,1: 18:[28, 137] Operation: 93+44=137 Exploring Operation: 93-44=49, Resulting Numbers: [28, 49] Generated Node #0,1,2: 18:[28, 49] Operation: 93-44=49 Exploring Operation: 93-28=65, Resulting Numbers: [44, 65] Generated Node #0,1,3: 18:[44, 65] Operation: 93-28=65 Moving to Node #0,0 Current State: 18:[44, 84, 37], Operations: ['93-56=37'] Exploring Operation: 84-44=40, Resulting Numbers: [37, 40] Generated Node #0,0,0: 18:[37, 40] Operation: 84-44=40 Exploring Operation: 44-37=7, Resulting Numbers: [84, 7] Generated Node #0,0,1: 18:[84, 7] Operation: 44-37=7 Exploring Operation: 44+84=128, Resulting Numbers: [37, 128] Generated Node #0,0,2: 18:[37, 128] Operation: 44+84=128 Exploring Operation: 84-37=47, Resulting Numbers: [44, 47] Generated Node #0,0,3: 18:[44, 47] Operation: 84-37=47 Moving to Node #0,2 Current State: 18:[84, 56, 49], Operations: ['93-44=49'] Exploring Operation: 56-49=7, Resulting Numbers: [84, 7] Generated Node #0,2,0: 18:[84, 7] Operation: 56-49=7 Exploring Operation: 84-56=28, Resulting Numbers: [49, 28] Generated Node #0,2,1: 18:[49, 28] Operation: 84-56=28 Exploring Operation: 84-49=35, Resulting Numbers: [56, 35] Generated Node #0,2,2: 18:[56, 35] Operation: 84-49=35 Exploring Operation: 84+56=140, Resulting Numbers: [49, 140] Generated Node #0,2,3: 18:[49, 140] Operation: 84+56=140 Moving to Node #0,1,2 Current State: 18:[28, 49], Operations: ['84-56=28', '93-44=49'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 28*49=1372, Resulting Numbers: [1372] 1372,18 unequal: No Solution Exploring Operation: 28+49=77, Resulting Numbers: [77] 77,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[37, 40], Operations: ['93-56=37', '84-44=40'] Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,18 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[49, 28], Operations: ['93-44=49', '84-56=28'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,18 unequal: No Solution Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[44, 47], Operations: ['93-56=37', '84-37=47'] Exploring Operation: 44*47=2068, Resulting Numbers: [2068] 2068,18 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 44+47=91, Resulting Numbers: [91] 91,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[56, 35], Operations: ['93-44=49', '84-49=35'] Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[84, 7], Operations: ['93-56=37', '44-37=7'] Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,18 unequal: No Solution Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[84, 7], Operations: ['93-44=49', '56-49=7'] Exploring Operation: 84/7=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 84-7=77, Resulting Numbers: [77] 77,18 unequal: No Solution Exploring Operation: 84+7=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 84*7=588, Resulting Numbers: [588] 588,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[44, 65], Operations: ['84-56=28', '93-28=65'] Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 44+65=109, Resulting Numbers: [109] 109,18 unequal: No Solution Exploring Operation: 44*65=2860, Resulting Numbers: [2860] 2860,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[93, 16], Operations: ['84-56=28', '44-28=16'] Exploring Operation: 93*16=1488, Resulting Numbers: [1488] 1488,18 unequal: No Solution Exploring Operation: 93+16=109, Resulting Numbers: [109] 109,18 unequal: No Solution Exploring Operation: 93-16=77, Resulting Numbers: [77] 77,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[28, 137], Operations: ['84-56=28', '93+44=137'] Exploring Operation: 137-28=109, Resulting Numbers: [109] 109,18 unequal: No Solution Exploring Operation: 28+137=165, Resulting Numbers: [165] 165,18 unequal: No Solution Exploring Operation: 28*137=3836, Resulting Numbers: [3836] 3836,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[37, 128], Operations: ['93-56=37', '44+84=128'] Exploring Operation: 37+128=165, Resulting Numbers: [165] 165,18 unequal: No Solution Exploring Operation: 128-37=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 37*128=4736, Resulting Numbers: [4736] 4736,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[49, 140], Operations: ['93-44=49', '84+56=140'] Exploring Operation: 49+140=189, Resulting Numbers: [189] 189,18 unequal: No Solution Exploring Operation: 140-49=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 49*140=6860, Resulting Numbers: [6860] 6860,18 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 71, 38, 71, 4 ]
42
[ "71+38=109", "71-4=67", "109-67=42" ]
Current State: 42:[71, 38, 71, 4], Operations: [] Exploring Operation: 71+38=109, Resulting Numbers: [4, 109] Generated Node #2: [4, 109] from Operation: 71+38=109 Current State: 42:[4, 109], Operations: ['71+38=109'] Exploring Operation: 71-4=67, Resulting Numbers: [109, 67] Generated Node #3: [109, 67] from Operation: 71-4=67 Current State: 42:[109, 67], Operations: ['71+38=109', '71-4=67'] Exploring Operation: 109-67=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[71, 38, 71, 4], Operations: [] Exploring Operation: 71/71=1, Resulting Numbers: [38, 4, 1] Generated Node #0,0: 42:[38, 4, 1] Operation: 71/71=1 Moving to Node #0,0 Current State: 42:[38, 4, 1], Operations: ['71/71=1'] Exploring Operation: 38+4=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 38+4=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['71/71=1', '38+4=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[71, 38, 71, 4], Operations: [] Exploring Operation: 71/71=1, Resulting Numbers: [38, 4, 1] Generated Node #0,0: 42:[38, 4, 1] Operation: 71/71=1 Moving to Node #0,0 Current State: 42:[38, 4, 1], Operations: ['71/71=1'] Exploring Operation: 38+4=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 38+4=42 Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['71/71=1', '38+4=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 19, 71, 4, 35 ]
50
[ "19+71=90", "4*35=140", "140-90=50" ]
Current State: 50:[19, 71, 4, 35], Operations: [] Exploring Operation: 19+71=90, Resulting Numbers: [4, 35, 90] Generated Node #2: [4, 35, 90] from Operation: 19+71=90 Current State: 50:[4, 35, 90], Operations: ['19+71=90'] Exploring Operation: 4*35=140, Resulting Numbers: [90, 140] Generated Node #3: [90, 140] from Operation: 4*35=140 Current State: 50:[90, 140], Operations: ['19+71=90', '4*35=140'] Exploring Operation: 140-90=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[19, 71, 4, 35], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [19, 4, 36] Generated Node #0,0: 50:[19, 4, 36] Operation: 71-35=36 Exploring Operation: 71-19=52, Resulting Numbers: [4, 35, 52] Generated Node #0,1: 50:[4, 35, 52] Operation: 71-19=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[4, 35, 52], Operations: ['71-19=52'] Exploring Operation: 52-35=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 50:[4, 17] Operation: 52-35=17 Exploring Operation: 35-4=31, Resulting Numbers: [52, 31] Generated Node #0,1,1: 50:[52, 31] Operation: 35-4=31 Moving to Node #0,1,0 Current State: 50:[4, 17], Operations: ['71-19=52', '52-35=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,50 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[52, 31], Operations: ['71-19=52', '35-4=31'] Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[19, 4, 36], Operations: ['71-35=36'] Exploring Operation: 36/4=9, Resulting Numbers: [19, 9] Generated Node #0,0,0: 50:[19, 9] Operation: 36/4=9 Exploring Operation: 19+36=55, Resulting Numbers: [4, 55] Generated Node #0,0,1: 50:[4, 55] Operation: 19+36=55 Moving to Node #0,0,1 Current State: 50:[4, 55], Operations: ['71-35=36', '19+36=55'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[19, 9], Operations: ['71-35=36', '36/4=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,50 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, 35, 7, 90 ]
17
[ "90-5=85", "35/7=5", "85/5=17" ]
Current State: 17:[5, 35, 7, 90], Operations: [] Exploring Operation: 90-5=85, Resulting Numbers: [35, 7, 85] Generated Node #2: [35, 7, 85] from Operation: 90-5=85 Current State: 17:[35, 7, 85], Operations: ['90-5=85'] Exploring Operation: 35/7=5, Resulting Numbers: [85, 5] Generated Node #3: [85, 5] from Operation: 35/7=5 Current State: 17:[85, 5], Operations: ['90-5=85', '35/7=5'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[5, 35, 7, 90], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [35, 7, 18] Generated Node #0,0: 17:[35, 7, 18] Operation: 90/5=18 Moving to Node #0,0 Current State: 17:[35, 7, 18], Operations: ['90/5=18'] Exploring Operation: 35-18=17, Resulting Numbers: [7, 17] Generated Node #0,0,0: 17:[7, 17] Operation: 35-18=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[7, 17], Operations: ['90/5=18', '35-18=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,17 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
[ 16, 67, 29, 92 ]
98
[ "67+29=96", "96/16=6", "92+6=98" ]
Current State: 98:[16, 67, 29, 92], Operations: [] Exploring Operation: 67+29=96, Resulting Numbers: [16, 92, 96] Generated Node #2: [16, 92, 96] from Operation: 67+29=96 Current State: 98:[16, 92, 96], Operations: ['67+29=96'] Exploring Operation: 96/16=6, Resulting Numbers: [92, 6] Generated Node #3: [92, 6] from Operation: 96/16=6 Current State: 98:[92, 6], Operations: ['67+29=96', '96/16=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[16, 67, 29, 92], Operations: [] Exploring Operation: 67+29=96, Resulting Numbers: [16, 92, 96] Generated Node #0,0: 98:[16, 92, 96] Operation: 67+29=96 Exploring Operation: 67-29=38, Resulting Numbers: [16, 92, 38] Generated Node #0,1: 98:[16, 92, 38] Operation: 67-29=38 Exploring Operation: 16+29=45, Resulting Numbers: [67, 92, 45] Generated Node #0,2: 98:[67, 92, 45] Operation: 16+29=45 Exploring Operation: 67-16=51, Resulting Numbers: [29, 92, 51] Generated Node #0,3: 98:[29, 92, 51] Operation: 67-16=51 Exploring Operation: 29-16=13, Resulting Numbers: [67, 92, 13] Generated Node #0,4: 98:[67, 92, 13] Operation: 29-16=13 Moving to Node #0,0 Current State: 98:[16, 92, 96], Operations: ['67+29=96'] Exploring Operation: 96/16=6, Resulting Numbers: [92, 6] Generated Node #0,0,0: 98:[92, 6] Operation: 96/16=6 Exploring Operation: 16+92=108, Resulting Numbers: [96, 108] Generated Node #0,0,1: 98:[96, 108] Operation: 16+92=108 Exploring Operation: 16+96=112, Resulting Numbers: [92, 112] Generated Node #0,0,2: 98:[92, 112] Operation: 16+96=112 Exploring Operation: 96-92=4, Resulting Numbers: [16, 4] Generated Node #0,0,3: 98:[16, 4] Operation: 96-92=4 Exploring Operation: 92-16=76, Resulting Numbers: [96, 76] Generated Node #0,0,4: 98:[96, 76] Operation: 92-16=76 Moving to Node #0,1 Current State: 98:[16, 92, 38], Operations: ['67-29=38'] Exploring Operation: 92-16=76, Resulting Numbers: [38, 76] Generated Node #0,1,0: 98:[38, 76] Operation: 92-16=76 Exploring Operation: 16+38=54, Resulting Numbers: [92, 54] Generated Node #0,1,1: 98:[92, 54] Operation: 16+38=54 Exploring Operation: 38-16=22, Resulting Numbers: [92, 22] Generated Node #0,1,2: 98:[92, 22] Operation: 38-16=22 Exploring Operation: 92-38=54, Resulting Numbers: [16, 54] Generated Node #0,1,3: 98:[16, 54] Operation: 92-38=54 Exploring Operation: 16+92=108, Resulting Numbers: [38, 108] Generated Node #0,1,4: 98:[38, 108] Operation: 16+92=108 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 98:[16, 54], Operations: ['67-29=38', '92-38=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,98 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,98 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,98 unequal: No Solution No 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: 98:[92, 54], Operations: ['67-29=38', '16+38=54'] Exploring Operation: 92-54=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 92*54=4968, Resulting Numbers: [4968] 4968,98 unequal: No Solution Exploring Operation: 92+54=146, Resulting Numbers: [146] 146,98 unequal: No Solution No 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: 98:[92, 22], Operations: ['67-29=38', '38-16=22'] Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,98 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,98 unequal: No Solution No 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: 98:[38, 108], Operations: ['67-29=38', '16+92=108'] Exploring Operation: 38+108=146, Resulting Numbers: [146] 146,98 unequal: No Solution Exploring Operation: 108-38=70, Resulting Numbers: [70] 70,98 unequal: No Solution Exploring Operation: 38*108=4104, Resulting Numbers: [4104] 4104,98 unequal: No Solution No 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: 98:[38, 76], Operations: ['67-29=38', '92-16=76'] Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,98 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,98 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: 98:[29, 92, 51], Operations: ['67-16=51'] Exploring Operation: 92-51=41, Resulting Numbers: [29, 41] Generated Node #0,3,0: 98:[29, 41] Operation: 92-51=41 Exploring Operation: 92-29=63, Resulting Numbers: [51, 63] Generated Node #0,3,1: 98:[51, 63] Operation: 92-29=63 Exploring Operation: 51-29=22, Resulting Numbers: [92, 22] Generated Node #0,3,2: 98:[92, 22] Operation: 51-29=22 Exploring Operation: 29+92=121, Resulting Numbers: [51, 121] Generated Node #0,3,3: 98:[51, 121] Operation: 29+92=121 Exploring Operation: 29+51=80, Resulting Numbers: [92, 80] Generated Node #0,3,4: 98:[92, 80] Operation: 29+51=80 Moving to Node #0,4 Current State: 98:[67, 92, 13], Operations: ['29-16=13'] Exploring Operation: 67-13=54, Resulting Numbers: [92, 54] Generated Node #0,4,0: 98:[92, 54] Operation: 67-13=54 Exploring Operation: 67+13=80, Resulting Numbers: [92, 80] Generated Node #0,4,1: 98:[92, 80] Operation: 67+13=80 Exploring Operation: 92+13=105, Resulting Numbers: [67, 105] Generated Node #0,4,2: 98:[67, 105] Operation: 92+13=105 Exploring Operation: 92-13=79, Resulting Numbers: [67, 79] Generated Node #0,4,3: 98:[67, 79] Operation: 92-13=79 Exploring Operation: 92-67=25, Resulting Numbers: [13, 25] Generated Node #0,4,4: 98:[13, 25] Operation: 92-67=25 Moving to Node #0,2 Current State: 98:[67, 92, 45], Operations: ['16+29=45'] Exploring Operation: 67+45=112, Resulting Numbers: [92, 112] Generated Node #0,2,0: 98:[92, 112] Operation: 67+45=112 Exploring Operation: 92-67=25, Resulting Numbers: [45, 25] Generated Node #0,2,1: 98:[45, 25] Operation: 92-67=25 Exploring Operation: 67-45=22, Resulting Numbers: [92, 22] Generated Node #0,2,2: 98:[92, 22] Operation: 67-45=22 Exploring Operation: 92-45=47, Resulting Numbers: [67, 47] Generated Node #0,2,3: 98:[67, 47] Operation: 92-45=47 Exploring Operation: 92+45=137, Resulting Numbers: [67, 137] Generated Node #0,2,4: 98:[67, 137] Operation: 92+45=137 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[92, 22], Operations: ['16+29=45', '67-45=22'] Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 92*22=2024, Resulting Numbers: [2024] 2024,98 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,98 unequal: No Solution No 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: 98:[45, 25], Operations: ['16+29=45', '92-67=25'] Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,98 unequal: No Solution Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,98 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,98 unequal: No Solution No 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: 98:[92, 112], Operations: ['16+29=45', '67+45=112'] Exploring Operation: 112-92=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 92+112=204, Resulting Numbers: [204] 204,98 unequal: No Solution Exploring Operation: 92*112=10304, Resulting Numbers: [10304] 10304,98 unequal: No Solution No 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: 98:[67, 47], Operations: ['16+29=45', '92-45=47'] Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,98 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,98 unequal: No Solution No 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: 98:[67, 137], Operations: ['16+29=45', '92+45=137'] Exploring Operation: 67+137=204, Resulting Numbers: [204] 204,98 unequal: No Solution Exploring Operation: 67*137=9179, Resulting Numbers: [9179] 9179,98 unequal: No Solution Exploring Operation: 137-67=70, Resulting Numbers: [70] 70,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 98:[16, 4], Operations: ['67+29=96', '96-92=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[92, 6], Operations: ['67+29=96', '96/16=6'] Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[16, 67, 29, 92], Operations: [] Exploring Operation: 67+29=96, Resulting Numbers: [16, 92, 96] Generated Node #0,0: 98:[16, 92, 96] Operation: 67+29=96 Moving to Node #0,0 Current State: 98:[16, 92, 96], Operations: ['67+29=96'] Exploring Operation: 96/16=6, Resulting Numbers: [92, 6] Generated Node #0,0,0: 98:[92, 6] Operation: 96/16=6 Moving to Node #0,0,0 Current State: 98:[92, 6], Operations: ['67+29=96', '96/16=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.938368
hs_5
sum_heuristic
[ 4, 76, 88, 83 ]
95
[ "76/4=19", "88-83=5", "19*5=95" ]
Current State: 95:[4, 76, 88, 83], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [88, 83, 19] Generated Node #2: [88, 83, 19] from Operation: 76/4=19 Current State: 95:[88, 83, 19], Operations: ['76/4=19'] Exploring Operation: 88-83=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 88-83=5 Current State: 95:[19, 5], Operations: ['76/4=19', '88-83=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[4, 76, 88, 83], Operations: [] Exploring Operation: 83-76=7, Resulting Numbers: [4, 88, 7] Generated Node #0,0: 95:[4, 88, 7] Operation: 83-76=7 Exploring Operation: 76/4=19, Resulting Numbers: [88, 83, 19] Generated Node #0,1: 95:[88, 83, 19] Operation: 76/4=19 Moving to Node #0,0 Current State: 95:[4, 88, 7], Operations: ['83-76=7'] Exploring Operation: 4+88=92, Resulting Numbers: [7, 92] Generated Node #0,0,0: 95:[7, 92] Operation: 4+88=92 Exploring Operation: 88+7=95, Resulting Numbers: [4, 95] Generated Node #0,0,1: 95:[4, 95] Operation: 88+7=95 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[4, 95], Operations: ['83-76=7', '88+7=95'] Exploring Operation: 4+95=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[7, 92], Operations: ['83-76=7', '4+88=92'] Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 95:[88, 83, 19], Operations: ['76/4=19'] Exploring Operation: 88-83=5, Resulting Numbers: [19, 5] Generated Node #0,1,0: 95:[19, 5] Operation: 88-83=5 Exploring Operation: 83+19=102, Resulting Numbers: [88, 102] Generated Node #0,1,1: 95:[88, 102] Operation: 83+19=102 Moving to Node #0,1,0 Current State: 95:[19, 5], Operations: ['76/4=19', '88-83=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[4, 76, 88, 83], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [88, 83, 19] Generated Node #0,1: 95:[88, 83, 19] Operation: 76/4=19 Moving to Node #0,1 Current State: 95:[88, 83, 19], Operations: ['76/4=19'] Exploring Operation: 88-83=5, Resulting Numbers: [19, 5] Generated Node #0,1,0: 95:[19, 5] Operation: 88-83=5 Moving to Node #0,1,0 Current State: 95:[19, 5], Operations: ['76/4=19', '88-83=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 71, 82, 15, 43 ]
69
[ "82-71=11", "15+43=58", "11+58=69" ]
Current State: 69:[71, 82, 15, 43], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [15, 43, 11] Generated Node #2: [15, 43, 11] from Operation: 82-71=11 Current State: 69:[15, 43, 11], Operations: ['82-71=11'] Exploring Operation: 15+43=58, Resulting Numbers: [11, 58] Generated Node #3: [11, 58] from Operation: 15+43=58 Current State: 69:[11, 58], Operations: ['82-71=11', '15+43=58'] Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[71, 82, 15, 43], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [71, 82, 28] Generated Node #0,0: 69:[71, 82, 28] Operation: 43-15=28 Exploring Operation: 71-43=28, Resulting Numbers: [82, 15, 28] Generated Node #0,1: 69:[82, 15, 28] Operation: 71-43=28 Exploring Operation: 82-15=67, Resulting Numbers: [71, 43, 67] Generated Node #0,2: 69:[71, 43, 67] Operation: 82-15=67 Moving to Node #0,0 Current State: 69:[71, 82, 28], Operations: ['43-15=28'] Exploring Operation: 82-71=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 69:[28, 11] Operation: 82-71=11 Exploring Operation: 82-28=54, Resulting Numbers: [71, 54] Generated Node #0,0,1: 69:[71, 54] Operation: 82-28=54 Exploring Operation: 71-28=43, Resulting Numbers: [82, 43] Generated Node #0,0,2: 69:[82, 43] Operation: 71-28=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[28, 11], Operations: ['43-15=28', '82-71=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,69 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,69 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:[71, 54], Operations: ['43-15=28', '82-28=54'] Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,69 unequal: No Solution Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[82, 43], Operations: ['43-15=28', '71-28=43'] Exploring Operation: 82*43=3526, Resulting Numbers: [3526] 3526,69 unequal: No Solution Exploring Operation: 82+43=125, Resulting Numbers: [125] 125,69 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,69 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:[71, 43, 67], Operations: ['82-15=67'] Exploring Operation: 71-43=28, Resulting Numbers: [67, 28] Generated Node #0,2,0: 69:[67, 28] Operation: 71-43=28 Exploring Operation: 67-43=24, Resulting Numbers: [71, 24] Generated Node #0,2,1: 69:[71, 24] Operation: 67-43=24 Exploring Operation: 71-67=4, Resulting Numbers: [43, 4] Generated Node #0,2,2: 69:[43, 4] Operation: 71-67=4 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[71, 24], Operations: ['82-15=67', '67-43=24'] Exploring Operation: 71*24=1704, Resulting Numbers: [1704] 1704,69 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,69 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 #0,2,0 Current State: 69:[67, 28], Operations: ['82-15=67', '71-43=28'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,69 unequal: No Solution Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,69 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 #0,2,2 Current State: 69:[43, 4], Operations: ['82-15=67', '71-67=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,69 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 69:[82, 15, 28], Operations: ['71-43=28'] Exploring Operation: 82-15=67, Resulting Numbers: [28, 67] Generated Node #0,1,0: 69:[28, 67] Operation: 82-15=67 Exploring Operation: 82-28=54, Resulting Numbers: [15, 54] Generated Node #0,1,1: 69:[15, 54] Operation: 82-28=54 Exploring Operation: 28-15=13, Resulting Numbers: [82, 13] Generated Node #0,1,2: 69:[82, 13] Operation: 28-15=13 Moving to Node #0,1,0 Current State: 69:[28, 67], Operations: ['71-43=28', '82-15=67'] Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,69 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[15, 54], Operations: ['71-43=28', '82-28=54'] Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,69 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,69 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[71, 82, 15, 43], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [82, 15, 28] Generated Node #0,1: 69:[82, 15, 28] Operation: 71-43=28 Moving to Node #0,1 Current State: 69:[82, 15, 28], Operations: ['71-43=28'] Exploring Operation: 82-28=54, Resulting Numbers: [15, 54] Generated Node #0,1,1: 69:[15, 54] Operation: 82-28=54 Moving to Node #0,1,1 Current State: 69:[15, 54], Operations: ['71-43=28', '82-28=54'] Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.965278
hs_3
sum_heuristic
[ 71, 51, 45, 87 ]
10
[ "71+51=122", "45+87=132", "132-122=10" ]
Current State: 10:[71, 51, 45, 87], Operations: [] Exploring Operation: 71+51=122, Resulting Numbers: [45, 87, 122] Generated Node #2: [45, 87, 122] from Operation: 71+51=122 Current State: 10:[45, 87, 122], Operations: ['71+51=122'] Exploring Operation: 45+87=132, Resulting Numbers: [122, 132] Generated Node #3: [122, 132] from Operation: 45+87=132 Current State: 10:[122, 132], Operations: ['71+51=122', '45+87=132'] Exploring Operation: 132-122=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[71, 51, 45, 87], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [51, 45, 16] Generated Node #0,0: 10:[51, 45, 16] Operation: 87-71=16 Exploring Operation: 71-51=20, Resulting Numbers: [45, 87, 20] Generated Node #0,1: 10:[45, 87, 20] Operation: 71-51=20 Exploring Operation: 87-51=36, Resulting Numbers: [71, 45, 36] Generated Node #0,2: 10:[71, 45, 36] Operation: 87-51=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[51, 45, 16], Operations: ['87-71=16'] Exploring Operation: 51-16=35, Resulting Numbers: [45, 35] Generated Node #0,0,0: 10:[45, 35] Operation: 51-16=35 Exploring Operation: 51-45=6, Resulting Numbers: [16, 6] Generated Node #0,0,1: 10:[16, 6] Operation: 51-45=6 Exploring Operation: 45-16=29, Resulting Numbers: [51, 29] Generated Node #0,0,2: 10:[51, 29] Operation: 45-16=29 Moving to Node #0,0,1 Current State: 10:[16, 6], Operations: ['87-71=16', '51-45=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,10 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[71, 51, 45, 87], Operations: [] Exploring Operation: 87-71=16, Resulting Numbers: [51, 45, 16] Generated Node #0,0: 10:[51, 45, 16] Operation: 87-71=16 Moving to Node #0,0 Current State: 10:[51, 45, 16], Operations: ['87-71=16'] Exploring Operation: 51-45=6, Resulting Numbers: [16, 6] Generated Node #0,0,1: 10:[16, 6] Operation: 51-45=6 Moving to Node #0,0,1 Current State: 10:[16, 6], Operations: ['87-71=16', '51-45=6'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 93, 54, 36, 39 ]
85
[ "39-36=3", "93/3=31", "54+31=85" ]
Current State: 85:[93, 54, 36, 39], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [93, 54, 3] Generated Node #2: [93, 54, 3] from Operation: 39-36=3 Current State: 85:[93, 54, 3], Operations: ['39-36=3'] Exploring Operation: 93/3=31, Resulting Numbers: [54, 31] Generated Node #3: [54, 31] from Operation: 93/3=31 Current State: 85:[54, 31], Operations: ['39-36=3', '93/3=31'] Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[93, 54, 36, 39], Operations: [] Exploring Operation: 54+36=90, Resulting Numbers: [93, 39, 90] Generated Node #0,0: 85:[93, 39, 90] Operation: 54+36=90 Exploring Operation: 54-36=18, Resulting Numbers: [93, 39, 18] Generated Node #0,1: 85:[93, 39, 18] Operation: 54-36=18 Exploring Operation: 54-39=15, Resulting Numbers: [93, 36, 15] Generated Node #0,2: 85:[93, 36, 15] Operation: 54-39=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[93, 36, 15], Operations: ['54-39=15'] Exploring Operation: 93-15=78, Resulting Numbers: [36, 78] Generated Node #0,2,0: 85:[36, 78] Operation: 93-15=78 Exploring Operation: 93-36=57, Resulting Numbers: [15, 57] Generated Node #0,2,1: 85:[15, 57] Operation: 93-36=57 Exploring Operation: 36-15=21, Resulting Numbers: [93, 21] Generated Node #0,2,2: 85:[93, 21] Operation: 36-15=21 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[93, 21], Operations: ['54-39=15', '36-15=21'] Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,85 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,85 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,85 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:[36, 78], Operations: ['54-39=15', '93-15=78'] Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,85 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,85 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:[15, 57], Operations: ['54-39=15', '93-36=57'] Exploring Operation: 57-15=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 15+57=72, Resulting Numbers: [72] 72,85 unequal: No Solution Exploring Operation: 15*57=855, Resulting Numbers: [855] 855,85 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 #0,1 Current State: 85:[93, 39, 18], Operations: ['54-36=18'] Exploring Operation: 39-18=21, Resulting Numbers: [93, 21] Generated Node #0,1,0: 85:[93, 21] Operation: 39-18=21 Exploring Operation: 93-39=54, Resulting Numbers: [18, 54] Generated Node #0,1,1: 85:[18, 54] Operation: 93-39=54 Exploring Operation: 93-18=75, Resulting Numbers: [39, 75] Generated Node #0,1,2: 85:[39, 75] Operation: 93-18=75 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[93, 21], Operations: ['54-36=18', '39-18=21'] Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,85 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,85 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[18, 54], Operations: ['54-36=18', '93-39=54'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 18+54=72, Resulting Numbers: [72] 72,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 85:[39, 75], Operations: ['54-36=18', '93-18=75'] Exploring Operation: 39*75=2925, Resulting Numbers: [2925] 2925,85 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 39+75=114, Resulting Numbers: [114] 114,85 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 #0,0 Current State: 85:[93, 39, 90], Operations: ['54+36=90'] Exploring Operation: 93-90=3, Resulting Numbers: [39, 3] Generated Node #0,0,0: 85:[39, 3] Operation: 93-90=3 Exploring Operation: 90-39=51, Resulting Numbers: [93, 51] Generated Node #0,0,1: 85:[93, 51] Operation: 90-39=51 Exploring Operation: 93-39=54, Resulting Numbers: [90, 54] Generated Node #0,0,2: 85:[90, 54] Operation: 93-39=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[39, 3], Operations: ['54+36=90', '93-90=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,85 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 #0,0,2 Current State: 85:[90, 54], Operations: ['54+36=90', '93-39=54'] Exploring Operation: 90+54=144, Resulting Numbers: [144] 144,85 unequal: No Solution Exploring Operation: 90*54=4860, Resulting Numbers: [4860] 4860,85 unequal: No Solution Exploring Operation: 90-54=36, Resulting Numbers: [36] 36,85 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 #0,0,1 Current State: 85:[93, 51], Operations: ['54+36=90', '90-39=51'] Exploring Operation: 93+51=144, Resulting Numbers: [144] 144,85 unequal: No Solution Exploring Operation: 93*51=4743, Resulting Numbers: [4743] 4743,85 unequal: No Solution Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 20, 71, 38, 69 ]
16
[ "20+71=91", "38+69=107", "107-91=16" ]
Current State: 16:[20, 71, 38, 69], Operations: [] Exploring Operation: 20+71=91, Resulting Numbers: [38, 69, 91] Generated Node #2: [38, 69, 91] from Operation: 20+71=91 Current State: 16:[38, 69, 91], Operations: ['20+71=91'] Exploring Operation: 38+69=107, Resulting Numbers: [91, 107] Generated Node #3: [91, 107] from Operation: 38+69=107 Current State: 16:[91, 107], Operations: ['20+71=91', '38+69=107'] Exploring Operation: 107-91=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[20, 71, 38, 69], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [20, 38, 2] Generated Node #0,0: 16:[20, 38, 2] Operation: 71-69=2 Exploring Operation: 71-38=33, Resulting Numbers: [20, 69, 33] Generated Node #0,1: 16:[20, 69, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[20, 38, 2], Operations: ['71-69=2'] Exploring Operation: 38-20=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 16:[2, 18] Operation: 38-20=18 Exploring Operation: 38/2=19, Resulting Numbers: [20, 19] Generated Node #0,0,1: 16:[20, 19] Operation: 38/2=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[2, 18], Operations: ['71-69=2', '38-20=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,16 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[20, 71, 38, 69], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [20, 38, 2] Generated Node #0,0: 16:[20, 38, 2] Operation: 71-69=2 Moving to Node #0,0 Current State: 16:[20, 38, 2], Operations: ['71-69=2'] Exploring Operation: 38-20=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 16:[2, 18] Operation: 38-20=18 Moving to Node #0,0,0 Current State: 16:[2, 18], Operations: ['71-69=2', '38-20=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 5, 31, 2, 83 ]
42
[ "5*2=10", "83-31=52", "52-10=42" ]
Current State: 42:[5, 31, 2, 83], Operations: [] Exploring Operation: 5*2=10, Resulting Numbers: [31, 83, 10] Generated Node #2: [31, 83, 10] from Operation: 5*2=10 Current State: 42:[31, 83, 10], Operations: ['5*2=10'] Exploring Operation: 83-31=52, Resulting Numbers: [10, 52] Generated Node #3: [10, 52] from Operation: 83-31=52 Current State: 42:[10, 52], Operations: ['5*2=10', '83-31=52'] Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[5, 31, 2, 83], Operations: [] Exploring Operation: 5+31=36, Resulting Numbers: [2, 83, 36] Generated Node #0,0: 42:[2, 83, 36] Operation: 5+31=36 Exploring Operation: 83-5=78, Resulting Numbers: [31, 2, 78] Generated Node #0,1: 42:[31, 2, 78] Operation: 83-5=78 Exploring Operation: 31-5=26, Resulting Numbers: [2, 83, 26] Generated Node #0,2: 42:[2, 83, 26] Operation: 31-5=26 Exploring Operation: 83-31=52, Resulting Numbers: [5, 2, 52] Generated Node #0,3: 42:[5, 2, 52] Operation: 83-31=52 Exploring Operation: 31-2=29, Resulting Numbers: [5, 83, 29] Generated Node #0,4: 42:[5, 83, 29] Operation: 31-2=29 Moving to Node #0,3 Current State: 42:[5, 2, 52], Operations: ['83-31=52'] Exploring Operation: 5+2=7, Resulting Numbers: [52, 7] Generated Node #0,3,0: 42:[52, 7] Operation: 5+2=7 Exploring Operation: 52-2=50, Resulting Numbers: [5, 50] Generated Node #0,3,1: 42:[5, 50] Operation: 52-2=50 Exploring Operation: 52-5=47, Resulting Numbers: [2, 47] Generated Node #0,3,2: 42:[2, 47] Operation: 52-5=47 Exploring Operation: 52/2=26, Resulting Numbers: [5, 26] Generated Node #0,3,3: 42:[5, 26] Operation: 52/2=26 Exploring Operation: 5-2=3, Resulting Numbers: [52, 3] Generated Node #0,3,4: 42:[52, 3] Operation: 5-2=3 Moving to Node #0,2 Current State: 42:[2, 83, 26], Operations: ['31-5=26'] Exploring Operation: 83-26=57, Resulting Numbers: [2, 57] Generated Node #0,2,0: 42:[2, 57] Operation: 83-26=57 Exploring Operation: 2+83=85, Resulting Numbers: [26, 85] Generated Node #0,2,1: 42:[26, 85] Operation: 2+83=85 Exploring Operation: 26/2=13, Resulting Numbers: [83, 13] Generated Node #0,2,2: 42:[83, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [83, 24] Generated Node #0,2,3: 42:[83, 24] Operation: 26-2=24 Exploring Operation: 83-2=81, Resulting Numbers: [26, 81] Generated Node #0,2,4: 42:[26, 81] Operation: 83-2=81 Moving to Node #0,1 Current State: 42:[31, 2, 78], Operations: ['83-5=78'] Exploring Operation: 78-31=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 42:[2, 47] Operation: 78-31=47 Exploring Operation: 78/2=39, Resulting Numbers: [31, 39] Generated Node #0,1,1: 42:[31, 39] Operation: 78/2=39 Exploring Operation: 31-2=29, Resulting Numbers: [78, 29] Generated Node #0,1,2: 42:[78, 29] Operation: 31-2=29 Exploring Operation: 78-2=76, Resulting Numbers: [31, 76] Generated Node #0,1,3: 42:[31, 76] Operation: 78-2=76 Exploring Operation: 31+2=33, Resulting Numbers: [78, 33] Generated Node #0,1,4: 42:[78, 33] Operation: 31+2=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[2, 47], Operations: ['83-5=78', '78-31=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,42 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[31, 39], Operations: ['83-5=78', '78/2=39'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 31*39=1209, Resulting Numbers: [1209] 1209,42 unequal: No Solution Exploring Operation: 31+39=70, Resulting Numbers: [70] 70,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[78, 29], Operations: ['83-5=78', '31-2=29'] Exploring Operation: 78*29=2262, Resulting Numbers: [2262] 2262,42 unequal: No Solution Exploring Operation: 78+29=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 42:[31, 76], Operations: ['83-5=78', '78-2=76'] Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,42 unequal: No Solution Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 42:[78, 33], Operations: ['83-5=78', '31+2=33'] Exploring Operation: 78*33=2574, Resulting Numbers: [2574] 2574,42 unequal: No Solution Exploring Operation: 78+33=111, Resulting Numbers: [111] 111,42 unequal: No Solution Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 42:[2, 83, 36], Operations: ['5+31=36'] Exploring Operation: 36/2=18, Resulting Numbers: [83, 18] Generated Node #0,0,0: 42:[83, 18] Operation: 36/2=18 Exploring Operation: 2+83=85, Resulting Numbers: [36, 85] Generated Node #0,0,1: 42:[36, 85] Operation: 2+83=85 Exploring Operation: 83-36=47, Resulting Numbers: [2, 47] Generated Node #0,0,2: 42:[2, 47] Operation: 83-36=47 Exploring Operation: 83-2=81, Resulting Numbers: [36, 81] Generated Node #0,0,3: 42:[36, 81] Operation: 83-2=81 Exploring Operation: 2+36=38, Resulting Numbers: [83, 38] Generated Node #0,0,4: 42:[83, 38] Operation: 2+36=38 Moving to Node #0,4 Current State: 42:[5, 83, 29], Operations: ['31-2=29'] Exploring Operation: 5+29=34, Resulting Numbers: [83, 34] Generated Node #0,4,0: 42:[83, 34] Operation: 5+29=34 Exploring Operation: 83-29=54, Resulting Numbers: [5, 54] Generated Node #0,4,1: 42:[5, 54] Operation: 83-29=54 Exploring Operation: 29-5=24, Resulting Numbers: [83, 24] Generated Node #0,4,2: 42:[83, 24] Operation: 29-5=24 Exploring Operation: 5+83=88, Resulting Numbers: [29, 88] Generated Node #0,4,3: 42:[29, 88] Operation: 5+83=88 Exploring Operation: 83-5=78, Resulting Numbers: [29, 78] Generated Node #0,4,4: 42:[29, 78] Operation: 83-5=78 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 42:[5, 54], Operations: ['31-2=29', '83-29=54'] Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,42 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 42:[83, 24], Operations: ['31-2=29', '29-5=24'] Exploring Operation: 83*24=1992, Resulting Numbers: [1992] 1992,42 unequal: No Solution Exploring Operation: 83+24=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 42:[29, 78], Operations: ['31-2=29', '83-5=78'] Exploring Operation: 29+78=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 29*78=2262, Resulting Numbers: [2262] 2262,42 unequal: No Solution Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 42:[83, 34], Operations: ['31-2=29', '5+29=34'] Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 83+34=117, Resulting Numbers: [117] 117,42 unequal: No Solution Exploring Operation: 83*34=2822, Resulting Numbers: [2822] 2822,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 42:[29, 88], Operations: ['31-2=29', '5+83=88'] Exploring Operation: 29+88=117, Resulting Numbers: [117] 117,42 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 29*88=2552, Resulting Numbers: [2552] 2552,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 42:[2, 47], Operations: ['83-31=52', '52-5=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,42 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[2, 47], Operations: ['5+31=36', '83-36=47'] Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[5, 26], Operations: ['83-31=52', '52/2=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,42 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[5, 50], Operations: ['83-31=52', '52-2=50'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,42 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,42 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,42 unequal: No Solution Moving to Node #0,3,4 Current State: 42:[52, 3], Operations: ['83-31=52', '5-2=3'] Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[52, 7], Operations: ['83-31=52', '5+2=7'] Exploring Operation: 52*7=364, Resulting Numbers: [364] 364,42 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[2, 57], Operations: ['31-5=26', '83-26=57'] Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,42 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[83, 13], Operations: ['31-5=26', '26/2=13'] Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,42 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[83, 18], Operations: ['5+31=36', '36/2=18'] Exploring Operation: 83*18=1494, Resulting Numbers: [1494] 1494,42 unequal: No Solution Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,42 unequal: No Solution Exploring Operation: 83+18=101, Resulting Numbers: [101] 101,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[26, 81], Operations: ['31-5=26', '83-2=81'] Exploring Operation: 26+81=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,42 unequal: No Solution Exploring Operation: 26*81=2106, Resulting Numbers: [2106] 2106,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[83, 24], Operations: ['31-5=26', '26-2=24'] Exploring Operation: 83*24=1992, Resulting Numbers: [1992] 1992,42 unequal: No Solution Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 83+24=107, Resulting Numbers: [107] 107,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[36, 81], Operations: ['5+31=36', '83-2=81'] Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 36*81=2916, Resulting Numbers: [2916] 2916,42 unequal: No Solution Exploring Operation: 36+81=117, Resulting Numbers: [117] 117,42 unequal: No Solution Moving to Node #0,0,4 Current State: 42:[83, 38], Operations: ['5+31=36', '2+36=38'] Exploring Operation: 83*38=3154, Resulting Numbers: [3154] 3154,42 unequal: No Solution Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 83+38=121, Resulting Numbers: [121] 121,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[26, 85], Operations: ['31-5=26', '2+83=85'] Exploring Operation: 26+85=111, Resulting Numbers: [111] 111,42 unequal: No Solution Exploring Operation: 26*85=2210, Resulting Numbers: [2210] 2210,42 unequal: No Solution Exploring Operation: 85-26=59, Resulting Numbers: [59] 59,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[36, 85], Operations: ['5+31=36', '2+83=85'] Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,42 unequal: No Solution Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,42 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 41, 4, 26, 90 ]
24
[ "41+4=45", "90/45=2", "26-2=24" ]
Current State: 24:[41, 4, 26, 90], Operations: [] Exploring Operation: 41+4=45, Resulting Numbers: [26, 90, 45] Generated Node #2: [26, 90, 45] from Operation: 41+4=45 Current State: 24:[26, 90, 45], Operations: ['41+4=45'] Exploring Operation: 90/45=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 90/45=2 Current State: 24:[26, 2], Operations: ['41+4=45', '90/45=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[41, 4, 26, 90], Operations: [] Exploring Operation: 90-26=64, Resulting Numbers: [41, 4, 64] Generated Node #0,0: 24:[41, 4, 64] Operation: 90-26=64 Exploring Operation: 90-41=49, Resulting Numbers: [4, 26, 49] Generated Node #0,1: 24:[4, 26, 49] Operation: 90-41=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[4, 26, 49], Operations: ['90-41=49'] Exploring Operation: 49-26=23, Resulting Numbers: [4, 23] Generated Node #0,1,0: 24:[4, 23] Operation: 49-26=23 Exploring Operation: 49-4=45, Resulting Numbers: [26, 45] Generated Node #0,1,1: 24:[26, 45] Operation: 49-4=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[4, 23], Operations: ['90-41=49', '49-26=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,24 unequal: No Solution No 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: 24:[26, 45], Operations: ['90-41=49', '49-4=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,24 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,24 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: 24:[41, 4, 64], Operations: ['90-26=64'] Exploring Operation: 64/4=16, Resulting Numbers: [41, 16] Generated Node #0,0,0: 24:[41, 16] Operation: 64/4=16 Exploring Operation: 64-41=23, Resulting Numbers: [4, 23] Generated Node #0,0,1: 24:[4, 23] Operation: 64-41=23 Moving to Node #0,0,1 Current State: 24:[4, 23], Operations: ['90-26=64', '64-41=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[41, 16], Operations: ['90-26=64', '64/4=16'] Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,24 unequal: No Solution Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,24 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
[ 35, 46, 57, 88 ]
64
[ "35+46=81", "57+88=145", "145-81=64" ]
Current State: 64:[35, 46, 57, 88], Operations: [] Exploring Operation: 35+46=81, Resulting Numbers: [57, 88, 81] Generated Node #2: [57, 88, 81] from Operation: 35+46=81 Current State: 64:[57, 88, 81], Operations: ['35+46=81'] Exploring Operation: 57+88=145, Resulting Numbers: [81, 145] Generated Node #3: [81, 145] from Operation: 57+88=145 Current State: 64:[81, 145], Operations: ['35+46=81', '57+88=145'] Exploring Operation: 145-81=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[35, 46, 57, 88], Operations: [] Exploring Operation: 88-57=31, Resulting Numbers: [35, 46, 31] Generated Node #0,0: 64:[35, 46, 31] Operation: 88-57=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[35, 46, 31], Operations: ['88-57=31'] Exploring Operation: 46-35=11, Resulting Numbers: [31, 11] Generated Node #0,0,0: 64:[31, 11] Operation: 46-35=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[31, 11], Operations: ['88-57=31', '46-35=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,64 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
[ 83, 23, 49, 63 ]
92
[ "83+23=106", "63-49=14", "106-14=92" ]
Current State: 92:[83, 23, 49, 63], Operations: [] Exploring Operation: 83+23=106, Resulting Numbers: [49, 63, 106] Generated Node #2: [49, 63, 106] from Operation: 83+23=106 Current State: 92:[49, 63, 106], Operations: ['83+23=106'] Exploring Operation: 63-49=14, Resulting Numbers: [106, 14] Generated Node #3: [106, 14] from Operation: 63-49=14 Current State: 92:[106, 14], Operations: ['83+23=106', '63-49=14'] Exploring Operation: 106-14=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[83, 23, 49, 63], Operations: [] Exploring Operation: 23+63=86, Resulting Numbers: [83, 49, 86] Generated Node #0,0: 92:[83, 49, 86] Operation: 23+63=86 Exploring Operation: 63-23=40, Resulting Numbers: [83, 49, 40] Generated Node #0,1: 92:[83, 49, 40] Operation: 63-23=40 Exploring Operation: 83-63=20, Resulting Numbers: [23, 49, 20] Generated Node #0,2: 92:[23, 49, 20] Operation: 83-63=20 Exploring Operation: 63-49=14, Resulting Numbers: [83, 23, 14] Generated Node #0,3: 92:[83, 23, 14] Operation: 63-49=14 Moving to Node #0,2 Current State: 92:[23, 49, 20], Operations: ['83-63=20'] Exploring Operation: 49-23=26, Resulting Numbers: [20, 26] Generated Node #0,2,0: 92:[20, 26] Operation: 49-23=26 Exploring Operation: 23+20=43, Resulting Numbers: [49, 43] Generated Node #0,2,1: 92:[49, 43] Operation: 23+20=43 Exploring Operation: 23-20=3, Resulting Numbers: [49, 3] Generated Node #0,2,2: 92:[49, 3] Operation: 23-20=3 Exploring Operation: 49-20=29, Resulting Numbers: [23, 29] Generated Node #0,2,3: 92:[23, 29] Operation: 49-20=29 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[49, 3], Operations: ['83-63=20', '23-20=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[20, 26], Operations: ['83-63=20', '49-23=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,92 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[49, 43], Operations: ['83-63=20', '23+20=43'] Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,92 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[83, 23, 49, 63], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [23, 49, 20] Generated Node #0,2: 92:[23, 49, 20] Operation: 83-63=20 Moving to Node #0,2 Current State: 92:[23, 49, 20], Operations: ['83-63=20'] Exploring Operation: 23+20=43, Resulting Numbers: [49, 43] Generated Node #0,2,1: 92:[49, 43] Operation: 23+20=43 Moving to Node #0,2,1 Current State: 92:[49, 43], Operations: ['83-63=20', '23+20=43'] Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 6, 98, 95, 16 ]
76
[ "98+16=114", "114/6=19", "95-19=76" ]
Current State: 76:[6, 98, 95, 16], Operations: [] Exploring Operation: 98+16=114, Resulting Numbers: [6, 95, 114] Generated Node #2: [6, 95, 114] from Operation: 98+16=114 Current State: 76:[6, 95, 114], Operations: ['98+16=114'] Exploring Operation: 114/6=19, Resulting Numbers: [95, 19] Generated Node #3: [95, 19] from Operation: 114/6=19 Current State: 76:[95, 19], Operations: ['98+16=114', '114/6=19'] Exploring Operation: 95-19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[6, 98, 95, 16], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [6, 16, 3] Generated Node #0,0: 76:[6, 16, 3] Operation: 98-95=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[6, 16, 3], Operations: ['98-95=3'] Exploring Operation: 16+3=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 76:[6, 19] Operation: 16+3=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[6, 19], Operations: ['98-95=3', '16+3=19'] Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 28, 69, 29, 6 ]
63
[ "29-28=1", "69-6=63", "1*63=63" ]
Current State: 63:[28, 69, 29, 6], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [69, 6, 1] Generated Node #2: [69, 6, 1] from Operation: 29-28=1 Current State: 63:[69, 6, 1], Operations: ['29-28=1'] Exploring Operation: 69-6=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 69-6=63 Current State: 63:[1, 63], Operations: ['29-28=1', '69-6=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[28, 69, 29, 6], Operations: [] Exploring Operation: 28-6=22, Resulting Numbers: [69, 29, 22] Generated Node #0,0: 63:[69, 29, 22] Operation: 28-6=22 Exploring Operation: 69-6=63, Resulting Numbers: [28, 29, 63] Generated Node #0,1: 63:[28, 29, 63] Operation: 69-6=63 Exploring Operation: 28+29=57, Resulting Numbers: [69, 6, 57] Generated Node #0,2: 63:[69, 6, 57] Operation: 28+29=57 Exploring Operation: 29-28=1, Resulting Numbers: [69, 6, 1] Generated Node #0,3: 63:[69, 6, 1] Operation: 29-28=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[69, 6, 1], Operations: ['29-28=1'] Exploring Operation: 69-6=63, Resulting Numbers: [1, 63] Generated Node #0,3,0: 63:[1, 63] Operation: 69-6=63 Exploring Operation: 69-1=68, Resulting Numbers: [6, 68] Generated Node #0,3,1: 63:[6, 68] Operation: 69-1=68 Exploring Operation: 6+1=7, Resulting Numbers: [69, 7] Generated Node #0,3,2: 63:[69, 7] Operation: 6+1=7 Exploring Operation: 69*1=69, Resulting Numbers: [6, 69] Generated Node #0,3,3: 63:[6, 69] Operation: 69*1=69 Moving to Node #0,3,0 Current State: 63:[1, 63], Operations: ['29-28=1', '69-6=63'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[28, 69, 29, 6], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [69, 6, 1] Generated Node #0,3: 63:[69, 6, 1] Operation: 29-28=1 Moving to Node #0,3 Current State: 63:[69, 6, 1], Operations: ['29-28=1'] Exploring Operation: 69-6=63, Resulting Numbers: [1, 63] Generated Node #0,3,0: 63:[1, 63] Operation: 69-6=63 Moving to Node #0,3,0 Current State: 63:[1, 63], Operations: ['29-28=1', '69-6=63'] Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 77, 28, 81, 24 ]
31
[ "81-77=4", "28/4=7", "24+7=31" ]
Current State: 31:[77, 28, 81, 24], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [28, 24, 4] Generated Node #2: [28, 24, 4] from Operation: 81-77=4 Current State: 31:[28, 24, 4], Operations: ['81-77=4'] Exploring Operation: 28/4=7, Resulting Numbers: [24, 7] Generated Node #3: [24, 7] from Operation: 28/4=7 Current State: 31:[24, 7], Operations: ['81-77=4', '28/4=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[77, 28, 81, 24], Operations: [] Exploring Operation: 77-28=49, Resulting Numbers: [81, 24, 49] Generated Node #0,0: 31:[81, 24, 49] Operation: 77-28=49 Exploring Operation: 81-77=4, Resulting Numbers: [28, 24, 4] Generated Node #0,1: 31:[28, 24, 4] Operation: 81-77=4 Moving to Node #0,1 Current State: 31:[28, 24, 4], Operations: ['81-77=4'] Exploring Operation: 28+4=32, Resulting Numbers: [24, 32] Generated Node #0,1,0: 31:[24, 32] Operation: 28+4=32 Exploring Operation: 24+4=28, Resulting Numbers: [28, 28] Generated Node #0,1,1: 31:[28, 28] Operation: 24+4=28 Moving to Node #0,0 Current State: 31:[81, 24, 49], Operations: ['77-28=49'] Exploring Operation: 81-49=32, Resulting Numbers: [24, 32] Generated Node #0,0,0: 31:[24, 32] Operation: 81-49=32 Exploring Operation: 81-24=57, Resulting Numbers: [49, 57] Generated Node #0,0,1: 31:[49, 57] Operation: 81-24=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[24, 32], Operations: ['77-28=49', '81-49=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[49, 57], Operations: ['77-28=49', '81-24=57'] Exploring Operation: 49+57=106, Resulting Numbers: [106] 106,31 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,31 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: 31:[28, 28], Operations: ['81-77=4', '24+4=28'] Exploring Operation: 28+28=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[24, 32], Operations: ['81-77=4', '28+4=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 60, 89, 40, 80 ]
59
[ "60*40=2400", "2400/80=30", "89-30=59" ]
Current State: 59:[60, 89, 40, 80], Operations: [] Exploring Operation: 60*40=2400, Resulting Numbers: [89, 80, 2400] Generated Node #2: [89, 80, 2400] from Operation: 60*40=2400 Current State: 59:[89, 80, 2400], Operations: ['60*40=2400'] Exploring Operation: 2400/80=30, Resulting Numbers: [89, 30] Generated Node #3: [89, 30] from Operation: 2400/80=30 Current State: 59:[89, 30], Operations: ['60*40=2400', '2400/80=30'] Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[60, 89, 40, 80], Operations: [] Exploring Operation: 80-40=40, Resulting Numbers: [60, 89, 40] Generated Node #0,0: 59:[60, 89, 40] Operation: 80-40=40 Exploring Operation: 89-80=9, Resulting Numbers: [60, 40, 9] Generated Node #0,1: 59:[60, 40, 9] Operation: 89-80=9 Exploring Operation: 89-40=49, Resulting Numbers: [60, 80, 49] Generated Node #0,2: 59:[60, 80, 49] Operation: 89-40=49 Exploring Operation: 89-60=29, Resulting Numbers: [40, 80, 29] Generated Node #0,3: 59:[40, 80, 29] Operation: 89-60=29 Exploring Operation: 80-60=20, Resulting Numbers: [89, 40, 20] Generated Node #0,4: 59:[89, 40, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[60, 80, 49], Operations: ['89-40=49'] Exploring Operation: 80-49=31, Resulting Numbers: [60, 31] Generated Node #0,2,0: 59:[60, 31] Operation: 80-49=31 Exploring Operation: 60-49=11, Resulting Numbers: [80, 11] Generated Node #0,2,1: 59:[80, 11] Operation: 60-49=11 Exploring Operation: 60+49=109, Resulting Numbers: [80, 109] Generated Node #0,2,2: 59:[80, 109] Operation: 60+49=109 Exploring Operation: 80-60=20, Resulting Numbers: [49, 20] Generated Node #0,2,3: 59:[49, 20] Operation: 80-60=20 Exploring Operation: 80+49=129, Resulting Numbers: [60, 129] Generated Node #0,2,4: 59:[60, 129] Operation: 80+49=129 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[60, 31], Operations: ['89-40=49', '80-49=31'] Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 60*31=1860, Resulting Numbers: [1860] 1860,59 unequal: No Solution Exploring Operation: 60+31=91, Resulting Numbers: [91] 91,59 unequal: No Solution No 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: 59:[49, 20], Operations: ['89-40=49', '80-60=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,59 unequal: No Solution Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,59 unequal: No Solution No 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: 59:[80, 11], Operations: ['89-40=49', '60-49=11'] Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,59 unequal: No Solution Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,59 unequal: No Solution No 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: 59:[80, 109], Operations: ['89-40=49', '60+49=109'] Exploring Operation: 80+109=189, Resulting Numbers: [189] 189,59 unequal: No Solution Exploring Operation: 80*109=8720, Resulting Numbers: [8720] 8720,59 unequal: No Solution Exploring Operation: 109-80=29, Resulting Numbers: [29] 29,59 unequal: No Solution No 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: 59:[60, 129], Operations: ['89-40=49', '80+49=129'] Exploring Operation: 60+129=189, Resulting Numbers: [189] 189,59 unequal: No Solution Exploring Operation: 60*129=7740, Resulting Numbers: [7740] 7740,59 unequal: No Solution Exploring Operation: 129-60=69, Resulting Numbers: [69] 69,59 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: 59:[60, 89, 40], Operations: ['80-40=40'] Exploring Operation: 60-40=20, Resulting Numbers: [89, 20] Generated Node #0,0,0: 59:[89, 20] Operation: 60-40=20 Exploring Operation: 89-60=29, Resulting Numbers: [40, 29] Generated Node #0,0,1: 59:[40, 29] Operation: 89-60=29 Exploring Operation: 89+40=129, Resulting Numbers: [60, 129] Generated Node #0,0,2: 59:[60, 129] Operation: 89+40=129 Exploring Operation: 89-40=49, Resulting Numbers: [60, 49] Generated Node #0,0,3: 59:[60, 49] Operation: 89-40=49 Exploring Operation: 60+40=100, Resulting Numbers: [89, 100] Generated Node #0,0,4: 59:[89, 100] Operation: 60+40=100 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 59:[60, 49], Operations: ['80-40=40', '89-40=49'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,59 unequal: No Solution No 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: 59:[40, 29], Operations: ['80-40=40', '89-60=29'] Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,59 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,59 unequal: No Solution No 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: 59:[89, 20], Operations: ['80-40=40', '60-40=20'] Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,59 unequal: No Solution No 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: 59:[60, 129], Operations: ['80-40=40', '89+40=129'] Exploring Operation: 129-60=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 60*129=7740, Resulting Numbers: [7740] 7740,59 unequal: No Solution Exploring Operation: 60+129=189, Resulting Numbers: [189] 189,59 unequal: No Solution No 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: 59:[89, 100], Operations: ['80-40=40', '60+40=100'] Exploring Operation: 89*100=8900, Resulting Numbers: [8900] 8900,59 unequal: No Solution Exploring Operation: 100-89=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 89+100=189, Resulting Numbers: [189] 189,59 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: 59:[60, 40, 9], Operations: ['89-80=9'] Exploring Operation: 40-9=31, Resulting Numbers: [60, 31] Generated Node #0,1,0: 59:[60, 31] Operation: 40-9=31 Exploring Operation: 40+9=49, Resulting Numbers: [60, 49] Generated Node #0,1,1: 59:[60, 49] Operation: 40+9=49 Exploring Operation: 60-40=20, Resulting Numbers: [9, 20] Generated Node #0,1,2: 59:[9, 20] Operation: 60-40=20 Exploring Operation: 60-9=51, Resulting Numbers: [40, 51] Generated Node #0,1,3: 59:[40, 51] Operation: 60-9=51 Exploring Operation: 60+9=69, Resulting Numbers: [40, 69] Generated Node #0,1,4: 59:[40, 69] Operation: 60+9=69 Moving to Node #0,1,1 Current State: 59:[60, 49], Operations: ['89-80=9', '40+9=49'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,59 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[40, 51], Operations: ['89-80=9', '60-9=51'] Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,59 unequal: No Solution Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[60, 31], Operations: ['89-80=9', '40-9=31'] Exploring Operation: 60+31=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 60*31=1860, Resulting Numbers: [1860] 1860,59 unequal: No Solution Exploring Operation: 60-31=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,1,4 Current State: 59:[40, 69], Operations: ['89-80=9', '60+9=69'] Exploring Operation: 40+69=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 40*69=2760, Resulting Numbers: [2760] 2760,59 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[9, 20], Operations: ['89-80=9', '60-40=20'] Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 59:[40, 80, 29], Operations: ['89-60=29'] Exploring Operation: 40+29=69, Resulting Numbers: [80, 69] Generated Node #0,3,0: 59:[80, 69] Operation: 40+29=69 Exploring Operation: 80-40=40, Resulting Numbers: [29, 40] Generated Node #0,3,1: 59:[29, 40] Operation: 80-40=40 Exploring Operation: 40-29=11, Resulting Numbers: [80, 11] Generated Node #0,3,2: 59:[80, 11] Operation: 40-29=11 Exploring Operation: 80+29=109, Resulting Numbers: [40, 109] Generated Node #0,3,3: 59:[40, 109] Operation: 80+29=109 Exploring Operation: 80-29=51, Resulting Numbers: [40, 51] Generated Node #0,3,4: 59:[40, 51] Operation: 80-29=51 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 59:[40, 51], Operations: ['89-60=29', '80-29=51'] Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 40+51=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 40*51=2040, Resulting Numbers: [2040] 2040,59 unequal: No Solution No 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: 59:[80, 69], Operations: ['89-60=29', '40+29=69'] Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 80*69=5520, Resulting Numbers: [5520] 5520,59 unequal: No Solution Exploring Operation: 80+69=149, Resulting Numbers: [149] 149,59 unequal: No Solution No 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: 59:[29, 40], Operations: ['89-60=29', '80-40=40'] Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 29*40=1160, Resulting Numbers: [1160] 1160,59 unequal: No Solution No 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: 59:[80, 11], Operations: ['89-60=29', '40-29=11'] Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,59 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,59 unequal: No Solution No 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: 59:[40, 109], Operations: ['89-60=29', '80+29=109'] Exploring Operation: 109-40=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 40*109=4360, Resulting Numbers: [4360] 4360,59 unequal: No Solution Exploring Operation: 40+109=149, Resulting Numbers: [149] 149,59 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: 59:[89, 40, 20], Operations: ['80-60=20'] Exploring Operation: 89-40=49, Resulting Numbers: [20, 49] Generated Node #0,4,0: 59:[20, 49] Operation: 89-40=49 Exploring Operation: 89+20=109, Resulting Numbers: [40, 109] Generated Node #0,4,1: 59:[40, 109] Operation: 89+20=109 Exploring Operation: 89-20=69, Resulting Numbers: [40, 69] Generated Node #0,4,2: 59:[40, 69] Operation: 89-20=69 Exploring Operation: 40+20=60, Resulting Numbers: [89, 60] Generated Node #0,4,3: 59:[89, 60] Operation: 40+20=60 Exploring Operation: 40-20=20, Resulting Numbers: [89, 20] Generated Node #0,4,4: 59:[89, 20] Operation: 40-20=20 Moving to Node #0,4,2 Current State: 59:[40, 69], Operations: ['80-60=20', '89-20=69'] Exploring Operation: 40+69=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 40*69=2760, Resulting Numbers: [2760] 2760,59 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[89, 60], Operations: ['80-60=20', '40+20=60'] Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 89*60=5340, Resulting Numbers: [5340] 5340,59 unequal: No Solution Exploring Operation: 89+60=149, Resulting Numbers: [149] 149,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[20, 49], Operations: ['80-60=20', '89-40=49'] Exploring Operation: 20*49=980, Resulting Numbers: [980] 980,59 unequal: No Solution Exploring Operation: 20+49=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,59 unequal: No Solution Moving to Node #0,4,1 Current State: 59:[40, 109], Operations: ['80-60=20', '89+20=109'] Exploring Operation: 40*109=4360, Resulting Numbers: [4360] 4360,59 unequal: No Solution Exploring Operation: 109-40=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 40+109=149, Resulting Numbers: [149] 149,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[89, 20], Operations: ['80-60=20', '40-20=20'] Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,59 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 14, 24, 64, 18 ]
36
[ "24-14=10", "64-18=46", "46-10=36" ]
Current State: 36:[14, 24, 64, 18], Operations: [] Exploring Operation: 24-14=10, Resulting Numbers: [64, 18, 10] Generated Node #2: [64, 18, 10] from Operation: 24-14=10 Current State: 36:[64, 18, 10], Operations: ['24-14=10'] Exploring Operation: 64-18=46, Resulting Numbers: [10, 46] Generated Node #3: [10, 46] from Operation: 64-18=46 Current State: 36:[10, 46], Operations: ['24-14=10', '64-18=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[14, 24, 64, 18], Operations: [] Exploring Operation: 64-18=46, Resulting Numbers: [14, 24, 46] Generated Node #0,0: 36:[14, 24, 46] Operation: 64-18=46 Exploring Operation: 64-14=50, Resulting Numbers: [24, 18, 50] Generated Node #0,1: 36:[24, 18, 50] Operation: 64-14=50 Exploring Operation: 64-24=40, Resulting Numbers: [14, 18, 40] Generated Node #0,2: 36:[14, 18, 40] Operation: 64-24=40 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[14, 18, 40], Operations: ['64-24=40'] Exploring Operation: 40-18=22, Resulting Numbers: [14, 22] Generated Node #0,2,0: 36:[14, 22] Operation: 40-18=22 Exploring Operation: 14+18=32, Resulting Numbers: [40, 32] Generated Node #0,2,1: 36:[40, 32] Operation: 14+18=32 Exploring Operation: 18-14=4, Resulting Numbers: [40, 4] Generated Node #0,2,2: 36:[40, 4] Operation: 18-14=4 Moving to Node #0,2,2 Current State: 36:[40, 4], Operations: ['64-24=40', '18-14=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[14, 24, 64, 18], Operations: [] Exploring Operation: 64-24=40, Resulting Numbers: [14, 18, 40] Generated Node #0,2: 36:[14, 18, 40] Operation: 64-24=40 Moving to Node #0,2 Current State: 36:[14, 18, 40], Operations: ['64-24=40'] Exploring Operation: 18-14=4, Resulting Numbers: [40, 4] Generated Node #0,2,2: 36:[40, 4] Operation: 18-14=4 Moving to Node #0,2,2 Current State: 36:[40, 4], Operations: ['64-24=40', '18-14=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 34, 20, 22, 83 ]
93
[ "22*83=1826", "34+1826=1860", "1860/20=93" ]
Current State: 93:[34, 20, 22, 83], Operations: [] Exploring Operation: 22*83=1826, Resulting Numbers: [34, 20, 1826] Generated Node #2: [34, 20, 1826] from Operation: 22*83=1826 Current State: 93:[34, 20, 1826], Operations: ['22*83=1826'] Exploring Operation: 34+1826=1860, Resulting Numbers: [20, 1860] Generated Node #3: [20, 1860] from Operation: 34+1826=1860 Current State: 93:[20, 1860], Operations: ['22*83=1826', '34+1826=1860'] Exploring Operation: 1860/20=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[34, 20, 22, 83], Operations: [] Exploring Operation: 20+83=103, Resulting Numbers: [34, 22, 103] Generated Node #0,0: 93:[34, 22, 103] Operation: 20+83=103 Exploring Operation: 22-20=2, Resulting Numbers: [34, 83, 2] Generated Node #0,1: 93:[34, 83, 2] Operation: 22-20=2 Exploring Operation: 20+22=42, Resulting Numbers: [34, 83, 42] Generated Node #0,2: 93:[34, 83, 42] Operation: 20+22=42 Moving to Node #0,1 Current State: 93:[34, 83, 2], Operations: ['22-20=2'] Exploring Operation: 34+2=36, Resulting Numbers: [83, 36] Generated Node #0,1,0: 93:[83, 36] Operation: 34+2=36 Exploring Operation: 83+2=85, Resulting Numbers: [34, 85] Generated Node #0,1,1: 93:[34, 85] Operation: 83+2=85 Exploring Operation: 34-2=32, Resulting Numbers: [83, 32] Generated Node #0,1,2: 93:[83, 32] Operation: 34-2=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[34, 85], Operations: ['22-20=2', '83+2=85'] Exploring Operation: 34*85=2890, Resulting Numbers: [2890] 2890,93 unequal: No Solution Exploring Operation: 34+85=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[83, 32], Operations: ['22-20=2', '34-2=32'] Exploring Operation: 83+32=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 83*32=2656, Resulting Numbers: [2656] 2656,93 unequal: No Solution Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[83, 36], Operations: ['22-20=2', '34+2=36'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 83+36=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 83*36=2988, Resulting Numbers: [2988] 2988,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 93:[34, 22, 103], Operations: ['20+83=103'] Exploring Operation: 103-22=81, Resulting Numbers: [34, 81] Generated Node #0,0,0: 93:[34, 81] Operation: 103-22=81 Exploring Operation: 34-22=12, Resulting Numbers: [103, 12] Generated Node #0,0,1: 93:[103, 12] Operation: 34-22=12 Exploring Operation: 103-34=69, Resulting Numbers: [22, 69] Generated Node #0,0,2: 93:[22, 69] Operation: 103-34=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[34, 81], Operations: ['20+83=103', '103-22=81'] Exploring Operation: 34*81=2754, Resulting Numbers: [2754] 2754,93 unequal: No Solution Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 34+81=115, Resulting Numbers: [115] 115,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[103, 12], Operations: ['20+83=103', '34-22=12'] Exploring Operation: 103*12=1236, Resulting Numbers: [1236] 1236,93 unequal: No Solution Exploring Operation: 103+12=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 103-12=91, Resulting Numbers: [91] 91,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[22, 69], Operations: ['20+83=103', '103-34=69'] Exploring Operation: 69-22=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 22+69=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 22*69=1518, Resulting Numbers: [1518] 1518,93 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: 93:[34, 83, 42], Operations: ['20+22=42'] Exploring Operation: 42-34=8, Resulting Numbers: [83, 8] Generated Node #0,2,0: 93:[83, 8] Operation: 42-34=8 Exploring Operation: 83-42=41, Resulting Numbers: [34, 41] Generated Node #0,2,1: 93:[34, 41] Operation: 83-42=41 Exploring Operation: 34+42=76, Resulting Numbers: [83, 76] Generated Node #0,2,2: 93:[83, 76] Operation: 34+42=76 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[34, 41], Operations: ['20+22=42', '83-42=41'] Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,93 unequal: No Solution Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[83, 8], Operations: ['20+22=42', '42-34=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 83*8=664, Resulting Numbers: [664] 664,93 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[83, 76], Operations: ['20+22=42', '34+42=76'] Exploring Operation: 83+76=159, Resulting Numbers: [159] 159,93 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,93 unequal: No Solution Exploring Operation: 83*76=6308, Resulting Numbers: [6308] 6308,93 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
[ 12, 18, 29, 18 ]
26
[ "18-12=6", "18/6=3", "29-3=26" ]
Current State: 26:[12, 18, 29, 18], Operations: [] Exploring Operation: 18-12=6, Resulting Numbers: [29, 6] Generated Node #2: [29, 6] from Operation: 18-12=6 Current State: 26:[29, 6], Operations: ['18-12=6'] Exploring Operation: 18/6=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 18/6=3 Current State: 26:[29, 3], Operations: ['18-12=6', '18/6=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[12, 18, 29, 18], Operations: [] Exploring Operation: 18-18=0, Resulting Numbers: [12, 29, 0] Generated Node #0,0: 26:[12, 29, 0] Operation: 18-18=0 Exploring Operation: 18/18=1, Resulting Numbers: [12, 29, 1] Generated Node #0,1: 26:[12, 29, 1] Operation: 18/18=1 Exploring Operation: 29-18=11, Resulting Numbers: [12, 18, 11] Generated Node #0,2: 26:[12, 18, 11] Operation: 29-18=11 Moving to Node #0,1 Current State: 26:[12, 29, 1], Operations: ['18/18=1'] Exploring Operation: 12+1=13, Resulting Numbers: [29, 13] Generated Node #0,1,0: 26:[29, 13] Operation: 12+1=13 Exploring Operation: 29-1=28, Resulting Numbers: [12, 28] Generated Node #0,1,1: 26:[12, 28] Operation: 29-1=28 Exploring Operation: 12*1=12, Resulting Numbers: [29, 12] Generated Node #0,1,2: 26:[29, 12] Operation: 12*1=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[29, 13], Operations: ['18/18=1', '12+1=13'] Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,26 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 29*13=377, Resulting Numbers: [377] 377,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[12, 28], Operations: ['18/18=1', '29-1=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,26 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[29, 12], Operations: ['18/18=1', '12*1=12'] Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,26 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[12, 29, 0], Operations: ['18-18=0'] Exploring Operation: 12+0=12, Resulting Numbers: [29, 12] Generated Node #0,0,0: 26:[29, 12] Operation: 12+0=12 Exploring Operation: 29*0=0, Resulting Numbers: [12, 0] Generated Node #0,0,1: 26:[12, 0] Operation: 29*0=0 Exploring Operation: 12-0=12, Resulting Numbers: [29, 12] Generated Node #0,0,2: 26:[29, 12] Operation: 12-0=12 Moving to Node #0,2 Current State: 26:[12, 18, 11], Operations: ['29-18=11'] Exploring Operation: 18-12=6, Resulting Numbers: [11, 6] Generated Node #0,2,0: 26:[11, 6] Operation: 18-12=6 Exploring Operation: 18+11=29, Resulting Numbers: [12, 29] Generated Node #0,2,1: 26:[12, 29] Operation: 18+11=29 Exploring Operation: 12+18=30, Resulting Numbers: [11, 30] Generated Node #0,2,2: 26:[11, 30] Operation: 12+18=30 Moving to Node #0,0,1 Current State: 26:[12, 0], Operations: ['18-18=0', '29*0=0'] Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,26 unequal: No Solution Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[29, 12], Operations: ['18-18=0', '12-0=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[29, 12], Operations: ['18-18=0', '12+0=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[12, 29], Operations: ['29-18=11', '18+11=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,26 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[11, 6], Operations: ['29-18=11', '18-12=6'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[11, 30], Operations: ['29-18=11', '12+18=30'] Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,26 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,26 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 82, 66, 69, 37 ]
73
[ "82+66=148", "148/37=4", "69+4=73" ]
Current State: 73:[82, 66, 69, 37], Operations: [] Exploring Operation: 82+66=148, Resulting Numbers: [69, 37, 148] Generated Node #2: [69, 37, 148] from Operation: 82+66=148 Current State: 73:[69, 37, 148], Operations: ['82+66=148'] Exploring Operation: 148/37=4, Resulting Numbers: [69, 4] Generated Node #3: [69, 4] from Operation: 148/37=4 Current State: 73:[69, 4], Operations: ['82+66=148', '148/37=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[82, 66, 69, 37], Operations: [] Exploring Operation: 66+37=103, Resulting Numbers: [82, 69, 103] Generated Node #0,0: 73:[82, 69, 103] Operation: 66+37=103 Exploring Operation: 82-37=45, Resulting Numbers: [66, 69, 45] Generated Node #0,1: 73:[66, 69, 45] Operation: 82-37=45 Exploring Operation: 69+37=106, Resulting Numbers: [82, 66, 106] Generated Node #0,2: 73:[82, 66, 106] Operation: 69+37=106 Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[66, 69, 45], Operations: ['82-37=45'] Exploring Operation: 66-45=21, Resulting Numbers: [69, 21] Generated Node #0,1,0: 73:[69, 21] Operation: 66-45=21 Exploring Operation: 66+45=111, Resulting Numbers: [69, 111] Generated Node #0,1,1: 73:[69, 111] Operation: 66+45=111 Exploring Operation: 69+45=114, Resulting Numbers: [66, 114] Generated Node #0,1,2: 73:[66, 114] Operation: 69+45=114 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[69, 111], Operations: ['82-37=45', '66+45=111'] Exploring Operation: 69*111=7659, Resulting Numbers: [7659] 7659,73 unequal: No Solution Exploring Operation: 111-69=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 69+111=180, Resulting Numbers: [180] 180,73 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 #0,1,2 Current State: 73:[66, 114], Operations: ['82-37=45', '69+45=114'] Exploring Operation: 114-66=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 66+114=180, Resulting Numbers: [180] 180,73 unequal: No Solution Exploring Operation: 66*114=7524, Resulting Numbers: [7524] 7524,73 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:[69, 21], Operations: ['82-37=45', '66-45=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,73 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,73 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 #0,0 Current State: 73:[82, 69, 103], Operations: ['66+37=103'] Exploring Operation: 103-82=21, Resulting Numbers: [69, 21] Generated Node #0,0,0: 73:[69, 21] Operation: 103-82=21 Exploring Operation: 82-69=13, Resulting Numbers: [103, 13] Generated Node #0,0,1: 73:[103, 13] Operation: 82-69=13 Exploring Operation: 103-69=34, Resulting Numbers: [82, 34] Generated Node #0,0,2: 73:[82, 34] Operation: 103-69=34 Moving to Node #0,0,2 Current State: 73:[82, 34], Operations: ['66+37=103', '103-69=34'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 82+34=116, Resulting Numbers: [116] 116,73 unequal: No Solution Exploring Operation: 82*34=2788, Resulting Numbers: [2788] 2788,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[69, 21], Operations: ['66+37=103', '103-82=21'] Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,73 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[103, 13], Operations: ['66+37=103', '82-69=13'] Exploring Operation: 103*13=1339, Resulting Numbers: [1339] 1339,73 unequal: No Solution Exploring Operation: 103-13=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 103+13=116, Resulting Numbers: [116] 116,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[82, 66, 106], Operations: ['69+37=106'] Exploring Operation: 106-82=24, Resulting Numbers: [66, 24] Generated Node #0,2,0: 73:[66, 24] Operation: 106-82=24 Exploring Operation: 82-66=16, Resulting Numbers: [106, 16] Generated Node #0,2,1: 73:[106, 16] Operation: 82-66=16 Exploring Operation: 106-66=40, Resulting Numbers: [82, 40] Generated Node #0,2,2: 73:[82, 40] Operation: 106-66=40 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[82, 40], Operations: ['69+37=106', '106-66=40'] Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,73 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 #0,2,0 Current State: 73:[66, 24], Operations: ['69+37=106', '106-82=24'] Exploring Operation: 66*24=1584, Resulting Numbers: [1584] 1584,73 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,73 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 #0,2,1 Current State: 73:[106, 16], Operations: ['69+37=106', '82-66=16'] Exploring Operation: 106+16=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 106-16=90, Resulting Numbers: [90] 90,73 unequal: No Solution Exploring Operation: 106*16=1696, Resulting Numbers: [1696] 1696,73 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_3
sum_heuristic
[ 72, 41, 40, 82 ]
73
[ "72-41=31", "82-40=42", "31+42=73" ]
Current State: 73:[72, 41, 40, 82], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [40, 82, 31] Generated Node #2: [40, 82, 31] from Operation: 72-41=31 Current State: 73:[40, 82, 31], Operations: ['72-41=31'] Exploring Operation: 82-40=42, Resulting Numbers: [31, 42] Generated Node #3: [31, 42] from Operation: 82-40=42 Current State: 73:[31, 42], Operations: ['72-41=31', '82-40=42'] Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[72, 41, 40, 82], Operations: [] Exploring Operation: 41+40=81, Resulting Numbers: [72, 82, 81] Generated Node #0,0: 73:[72, 82, 81] Operation: 41+40=81 Exploring Operation: 72+40=112, Resulting Numbers: [41, 82, 112] Generated Node #0,1: 73:[41, 82, 112] Operation: 72+40=112 Exploring Operation: 82-41=41, Resulting Numbers: [72, 40, 41] Generated Node #0,2: 73:[72, 40, 41] Operation: 82-41=41 Exploring Operation: 82-40=42, Resulting Numbers: [72, 41, 42] Generated Node #0,3: 73:[72, 41, 42] Operation: 82-40=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[72, 82, 81], Operations: ['41+40=81'] Exploring Operation: 82-72=10, Resulting Numbers: [81, 10] Generated Node #0,0,0: 73:[81, 10] Operation: 82-72=10 Exploring Operation: 81-72=9, Resulting Numbers: [82, 9] Generated Node #0,0,1: 73:[82, 9] Operation: 81-72=9 Exploring Operation: 82-81=1, Resulting Numbers: [72, 1] Generated Node #0,0,2: 73:[72, 1] Operation: 82-81=1 Exploring Operation: 72+82=154, Resulting Numbers: [81, 154] Generated Node #0,0,3: 73:[81, 154] Operation: 72+82=154 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[81, 10], Operations: ['41+40=81', '82-72=10'] Exploring Operation: 81-10=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 81*10=810, Resulting Numbers: [810] 810,73 unequal: No Solution Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 73:[82, 9], Operations: ['41+40=81', '81-72=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[72, 41, 40, 82], Operations: [] Exploring Operation: 41+40=81, Resulting Numbers: [72, 82, 81] Generated Node #0,0: 73:[72, 82, 81] Operation: 41+40=81 Moving to Node #0,0 Current State: 73:[72, 82, 81], Operations: ['41+40=81'] Exploring Operation: 81-72=9, Resulting Numbers: [82, 9] Generated Node #0,0,1: 73:[82, 9] Operation: 81-72=9 Moving to Node #0,0,1 Current State: 73:[82, 9], Operations: ['41+40=81', '81-72=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 4, 38, 8, 96 ]
20
[ "8/4=2", "38*2=76", "96-76=20" ]
Current State: 20:[4, 38, 8, 96], Operations: [] Exploring Operation: 8/4=2, Resulting Numbers: [38, 96, 2] Generated Node #2: [38, 96, 2] from Operation: 8/4=2 Current State: 20:[38, 96, 2], Operations: ['8/4=2'] Exploring Operation: 38*2=76, Resulting Numbers: [96, 76] Generated Node #3: [96, 76] from Operation: 38*2=76 Current State: 20:[96, 76], Operations: ['8/4=2', '38*2=76'] Exploring Operation: 96-76=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[4, 38, 8, 96], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [38, 8, 24] Generated Node #0,0: 20:[38, 8, 24] Operation: 96/4=24 Exploring Operation: 96/8=12, Resulting Numbers: [4, 38, 12] Generated Node #0,1: 20:[4, 38, 12] Operation: 96/8=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[4, 38, 12], Operations: ['96/8=12'] Exploring Operation: 38-12=26, Resulting Numbers: [4, 26] Generated Node #0,1,0: 20:[4, 26] Operation: 38-12=26 Exploring Operation: 38-4=34, Resulting Numbers: [12, 34] Generated Node #0,1,1: 20:[12, 34] Operation: 38-4=34 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[4, 26], Operations: ['96/8=12', '38-12=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[12, 34], Operations: ['96/8=12', '38-4=34'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,20 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: 20:[38, 8, 24], Operations: ['96/4=24'] Exploring Operation: 38-24=14, Resulting Numbers: [8, 14] Generated Node #0,0,0: 20:[8, 14] Operation: 38-24=14 Exploring Operation: 38-8=30, Resulting Numbers: [24, 30] Generated Node #0,0,1: 20:[24, 30] Operation: 38-8=30 Moving to Node #0,0,0 Current State: 20:[8, 14], Operations: ['96/4=24', '38-24=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[24, 30], Operations: ['96/4=24', '38-8=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,20 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
[ 12, 89, 23, 2 ]
68
[ "89+23=112", "112/2=56", "12+56=68" ]
Current State: 68:[12, 89, 23, 2], Operations: [] Exploring Operation: 89+23=112, Resulting Numbers: [12, 2, 112] Generated Node #2: [12, 2, 112] from Operation: 89+23=112 Current State: 68:[12, 2, 112], Operations: ['89+23=112'] Exploring Operation: 112/2=56, Resulting Numbers: [12, 56] Generated Node #3: [12, 56] from Operation: 112/2=56 Current State: 68:[12, 56], Operations: ['89+23=112', '112/2=56'] Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[12, 89, 23, 2], Operations: [] Exploring Operation: 89-12=77, Resulting Numbers: [23, 2, 77] Generated Node #0,0: 68:[23, 2, 77] Operation: 89-12=77 Exploring Operation: 89-23=66, Resulting Numbers: [12, 2, 66] Generated Node #0,1: 68:[12, 2, 66] Operation: 89-23=66 Exploring Operation: 12+23=35, Resulting Numbers: [89, 2, 35] Generated Node #0,2: 68:[89, 2, 35] Operation: 12+23=35 Moving to Node #0,1 Current State: 68:[12, 2, 66], Operations: ['89-23=66'] Exploring Operation: 12/2=6, Resulting Numbers: [66, 6] Generated Node #0,1,0: 68:[66, 6] Operation: 12/2=6 Exploring Operation: 12+2=14, Resulting Numbers: [66, 14] Generated Node #0,1,1: 68:[66, 14] Operation: 12+2=14 Exploring Operation: 2+66=68, Resulting Numbers: [12, 68] Generated Node #0,1,2: 68:[12, 68] Operation: 2+66=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[66, 6], Operations: ['89-23=66', '12/2=6'] Exploring Operation: 66+6=72, Resulting Numbers: [72] 72,68 unequal: No Solution Exploring Operation: 66/6=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 66-6=60, Resulting Numbers: [60] 60,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[66, 14], Operations: ['89-23=66', '12+2=14'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 66*14=924, Resulting Numbers: [924] 924,68 unequal: No Solution Exploring Operation: 66+14=80, Resulting Numbers: [80] 80,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[12, 68], Operations: ['89-23=66', '2+66=68'] Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,68 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 12*68=816, Resulting Numbers: [816] 816,68 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: 68:[23, 2, 77], Operations: ['89-12=77'] Exploring Operation: 23-2=21, Resulting Numbers: [77, 21] Generated Node #0,0,0: 68:[77, 21] Operation: 23-2=21 Exploring Operation: 77-2=75, Resulting Numbers: [23, 75] Generated Node #0,0,1: 68:[23, 75] Operation: 77-2=75 Exploring Operation: 77-23=54, Resulting Numbers: [2, 54] Generated Node #0,0,2: 68:[2, 54] Operation: 77-23=54 Moving to Node #0,2 Current State: 68:[89, 2, 35], Operations: ['12+23=35'] Exploring Operation: 89-35=54, Resulting Numbers: [2, 54] Generated Node #0,2,0: 68:[2, 54] Operation: 89-35=54 Exploring Operation: 89-2=87, Resulting Numbers: [35, 87] Generated Node #0,2,1: 68:[35, 87] Operation: 89-2=87 Exploring Operation: 35-2=33, Resulting Numbers: [89, 33] Generated Node #0,2,2: 68:[89, 33] Operation: 35-2=33 Moving to Node #0,0,0 Current State: 68:[77, 21], Operations: ['89-12=77', '23-2=21'] Exploring Operation: 77-21=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 77+21=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 77*21=1617, Resulting Numbers: [1617] 1617,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[23, 75], Operations: ['89-12=77', '77-2=75'] Exploring Operation: 23*75=1725, Resulting Numbers: [1725] 1725,68 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 23+75=98, Resulting Numbers: [98] 98,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[2, 54], Operations: ['89-12=77', '77-23=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[2, 54], Operations: ['12+23=35', '89-35=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[35, 87], Operations: ['12+23=35', '89-2=87'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,68 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[89, 33], Operations: ['12+23=35', '35-2=33'] Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,68 unequal: No Solution Exploring Operation: 89+33=122, Resulting Numbers: [122] 122,68 unequal: No Solution Exploring Operation: 89*33=2937, Resulting Numbers: [2937] 2937,68 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 39, 50, 4, 27 ]
20
[ "50-39=11", "4+27=31", "31-11=20" ]
Current State: 20:[39, 50, 4, 27], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [4, 27, 11] Generated Node #2: [4, 27, 11] from Operation: 50-39=11 Current State: 20:[4, 27, 11], Operations: ['50-39=11'] Exploring Operation: 4+27=31, Resulting Numbers: [11, 31] Generated Node #3: [11, 31] from Operation: 4+27=31 Current State: 20:[11, 31], Operations: ['50-39=11', '4+27=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[39, 50, 4, 27], Operations: [] Exploring Operation: 50-27=23, Resulting Numbers: [39, 4, 23] Generated Node #0,0: 20:[39, 4, 23] Operation: 50-27=23 Exploring Operation: 50-39=11, Resulting Numbers: [4, 27, 11] Generated Node #0,1: 20:[4, 27, 11] Operation: 50-39=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[4, 27, 11], Operations: ['50-39=11'] Exploring Operation: 27-11=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 20:[4, 16] Operation: 27-11=16 Exploring Operation: 27-4=23, Resulting Numbers: [11, 23] Generated Node #0,1,1: 20:[11, 23] Operation: 27-4=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[4, 16], Operations: ['50-39=11', '27-11=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[39, 50, 4, 27], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [4, 27, 11] Generated Node #0,1: 20:[4, 27, 11] Operation: 50-39=11 Moving to Node #0,1 Current State: 20:[4, 27, 11], Operations: ['50-39=11'] Exploring Operation: 27-11=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 20:[4, 16] Operation: 27-11=16 Moving to Node #0,1,0 Current State: 20:[4, 16], Operations: ['50-39=11', '27-11=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 19, 50, 49, 4 ]
95
[ "50-49=1", "4+1=5", "19*5=95" ]
Current State: 95:[19, 50, 49, 4], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [19, 4, 1] Generated Node #2: [19, 4, 1] from Operation: 50-49=1 Current State: 95:[19, 4, 1], Operations: ['50-49=1'] Exploring Operation: 4+1=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 4+1=5 Current State: 95:[19, 5], Operations: ['50-49=1', '4+1=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[19, 50, 49, 4], Operations: [] Exploring Operation: 50+49=99, Resulting Numbers: [19, 4, 99] Generated Node #0,0: 95:[19, 4, 99] Operation: 50+49=99 Exploring Operation: 50-19=31, Resulting Numbers: [49, 4, 31] Generated Node #0,1: 95:[49, 4, 31] Operation: 50-19=31 Exploring Operation: 49-19=30, Resulting Numbers: [50, 4, 30] Generated Node #0,2: 95:[50, 4, 30] Operation: 49-19=30 Exploring Operation: 50-49=1, Resulting Numbers: [19, 4, 1] Generated Node #0,3: 95:[19, 4, 1] Operation: 50-49=1 Moving to Node #0,0 Current State: 95:[19, 4, 99], Operations: ['50+49=99'] Exploring Operation: 4+99=103, Resulting Numbers: [19, 103] Generated Node #0,0,0: 95:[19, 103] Operation: 4+99=103 Exploring Operation: 19-4=15, Resulting Numbers: [99, 15] Generated Node #0,0,1: 95:[99, 15] Operation: 19-4=15 Exploring Operation: 99-4=95, Resulting Numbers: [19, 95] Generated Node #0,0,2: 95:[19, 95] Operation: 99-4=95 Exploring Operation: 19+4=23, Resulting Numbers: [99, 23] Generated Node #0,0,3: 95:[99, 23] Operation: 19+4=23 Moving to Node #0,3 Current State: 95:[19, 4, 1], Operations: ['50-49=1'] Exploring Operation: 19*1=19, Resulting Numbers: [4, 19] Generated Node #0,3,0: 95:[4, 19] Operation: 19*1=19 Exploring Operation: 4*1=4, Resulting Numbers: [19, 4] Generated Node #0,3,1: 95:[19, 4] Operation: 4*1=4 Exploring Operation: 4+1=5, Resulting Numbers: [19, 5] Generated Node #0,3,2: 95:[19, 5] Operation: 4+1=5 Exploring Operation: 19/1=19, Resulting Numbers: [4, 19] Generated Node #0,3,3: 95:[4, 19] Operation: 19/1=19 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 95:[19, 5], Operations: ['50-49=1', '4+1=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[19, 50, 49, 4], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [19, 4, 1] Generated Node #0,3: 95:[19, 4, 1] Operation: 50-49=1 Moving to Node #0,3 Current State: 95:[19, 4, 1], Operations: ['50-49=1'] Exploring Operation: 4+1=5, Resulting Numbers: [19, 5] Generated Node #0,3,2: 95:[19, 5] Operation: 4+1=5 Moving to Node #0,3,2 Current State: 95:[19, 5], Operations: ['50-49=1', '4+1=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 4, 37, 30, 84 ]
16
[ "37-30=7", "84/7=12", "4+12=16" ]
Current State: 16:[4, 37, 30, 84], Operations: [] Exploring Operation: 37-30=7, Resulting Numbers: [4, 84, 7] Generated Node #2: [4, 84, 7] from Operation: 37-30=7 Current State: 16:[4, 84, 7], Operations: ['37-30=7'] Exploring Operation: 84/7=12, Resulting Numbers: [4, 12] Generated Node #3: [4, 12] from Operation: 84/7=12 Current State: 16:[4, 12], Operations: ['37-30=7', '84/7=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[4, 37, 30, 84], Operations: [] Exploring Operation: 84-37=47, Resulting Numbers: [4, 30, 47] Generated Node #0,0: 16:[4, 30, 47] Operation: 84-37=47 Exploring Operation: 84/4=21, Resulting Numbers: [37, 30, 21] Generated Node #0,1: 16:[37, 30, 21] Operation: 84/4=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[37, 30, 21], Operations: ['84/4=21'] Exploring Operation: 37-30=7, Resulting Numbers: [21, 7] Generated Node #0,1,0: 16:[21, 7] Operation: 37-30=7 Exploring Operation: 37-21=16, Resulting Numbers: [30, 16] Generated Node #0,1,1: 16:[30, 16] Operation: 37-21=16 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[21, 7], Operations: ['84/4=21', '37-30=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[30, 16], Operations: ['84/4=21', '37-21=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[4, 30, 47], Operations: ['84-37=47'] Exploring Operation: 47-30=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 16:[4, 17] Operation: 47-30=17 Exploring Operation: 30-4=26, Resulting Numbers: [47, 26] Generated Node #0,0,1: 16:[47, 26] Operation: 30-4=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[4, 17], Operations: ['84-37=47', '47-30=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,16 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[47, 26], Operations: ['84-37=47', '30-4=26'] Exploring Operation: 47+26=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 95, 15, 40, 56 ]
95
[ "15+40=55", "56-55=1", "95*1=95" ]
Current State: 95:[95, 15, 40, 56], Operations: [] Exploring Operation: 15+40=55, Resulting Numbers: [95, 56, 55] Generated Node #2: [95, 56, 55] from Operation: 15+40=55 Current State: 95:[95, 56, 55], Operations: ['15+40=55'] Exploring Operation: 56-55=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 56-55=1 Current State: 95:[95, 1], Operations: ['15+40=55', '56-55=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[95, 15, 40, 56], Operations: [] Exploring Operation: 56-15=41, Resulting Numbers: [95, 40, 41] Generated Node #0,0: 95:[95, 40, 41] Operation: 56-15=41 Exploring Operation: 40+56=96, Resulting Numbers: [95, 15, 96] Generated Node #0,1: 95:[95, 15, 96] Operation: 40+56=96 Exploring Operation: 95-56=39, Resulting Numbers: [15, 40, 39] Generated Node #0,2: 95:[15, 40, 39] Operation: 95-56=39 Exploring Operation: 56-40=16, Resulting Numbers: [95, 15, 16] Generated Node #0,3: 95:[95, 15, 16] Operation: 56-40=16 Exploring Operation: 40-15=25, Resulting Numbers: [95, 56, 25] Generated Node #0,4: 95:[95, 56, 25] Operation: 40-15=25 Moving to Node #0,1 Current State: 95:[95, 15, 96], Operations: ['40+56=96'] Exploring Operation: 15+96=111, Resulting Numbers: [95, 111] Generated Node #0,1,0: 95:[95, 111] Operation: 15+96=111 Exploring Operation: 95-15=80, Resulting Numbers: [96, 80] Generated Node #0,1,1: 95:[96, 80] Operation: 95-15=80 Exploring Operation: 96-95=1, Resulting Numbers: [15, 1] Generated Node #0,1,2: 95:[15, 1] Operation: 96-95=1 Exploring Operation: 96-15=81, Resulting Numbers: [95, 81] Generated Node #0,1,3: 95:[95, 81] Operation: 96-15=81 Exploring Operation: 95+15=110, Resulting Numbers: [96, 110] Generated Node #0,1,4: 95:[96, 110] Operation: 95+15=110 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[15, 1], Operations: ['40+56=96', '96-95=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,95 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,95 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 #0,1,3 Current State: 95:[95, 81], Operations: ['40+56=96', '96-15=81'] Exploring Operation: 95*81=7695, Resulting Numbers: [7695] 7695,95 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 95+81=176, Resulting Numbers: [176] 176,95 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 #0,1,0 Current State: 95:[95, 111], Operations: ['40+56=96', '15+96=111'] Exploring Operation: 95*111=10545, Resulting Numbers: [10545] 10545,95 unequal: No Solution Exploring Operation: 95+111=206, Resulting Numbers: [206] 206,95 unequal: No Solution Exploring Operation: 111-95=16, Resulting Numbers: [16] 16,95 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 #0,1,1 Current State: 95:[96, 80], Operations: ['40+56=96', '95-15=80'] Exploring Operation: 96+80=176, Resulting Numbers: [176] 176,95 unequal: No Solution Exploring Operation: 96*80=7680, Resulting Numbers: [7680] 7680,95 unequal: No Solution Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,95 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 #0,1,4 Current State: 95:[96, 110], Operations: ['40+56=96', '95+15=110'] Exploring Operation: 96+110=206, Resulting Numbers: [206] 206,95 unequal: No Solution Exploring Operation: 110-96=14, Resulting Numbers: [14] 14,95 unequal: No Solution Exploring Operation: 96*110=10560, Resulting Numbers: [10560] 10560,95 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: 95:[95, 15, 16], Operations: ['56-40=16'] Exploring Operation: 95-15=80, Resulting Numbers: [16, 80] Generated Node #0,3,0: 95:[16, 80] Operation: 95-15=80 Exploring Operation: 95+15=110, Resulting Numbers: [16, 110] Generated Node #0,3,1: 95:[16, 110] Operation: 95+15=110 Exploring Operation: 16-15=1, Resulting Numbers: [95, 1] Generated Node #0,3,2: 95:[95, 1] Operation: 16-15=1 Exploring Operation: 95+16=111, Resulting Numbers: [15, 111] Generated Node #0,3,3: 95:[15, 111] Operation: 95+16=111 Exploring Operation: 15+16=31, Resulting Numbers: [95, 31] Generated Node #0,3,4: 95:[95, 31] Operation: 15+16=31 Moving to Node #0,0 Current State: 95:[95, 40, 41], Operations: ['56-15=41'] Exploring Operation: 95-40=55, Resulting Numbers: [41, 55] Generated Node #0,0,0: 95:[41, 55] Operation: 95-40=55 Exploring Operation: 95-41=54, Resulting Numbers: [40, 54] Generated Node #0,0,1: 95:[40, 54] Operation: 95-41=54 Exploring Operation: 41-40=1, Resulting Numbers: [95, 1] Generated Node #0,0,2: 95:[95, 1] Operation: 41-40=1 Exploring Operation: 40+41=81, Resulting Numbers: [95, 81] Generated Node #0,0,3: 95:[95, 81] Operation: 40+41=81 Exploring Operation: 95+40=135, Resulting Numbers: [41, 135] Generated Node #0,0,4: 95:[41, 135] Operation: 95+40=135 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[95, 1], Operations: ['56-15=41', '41-40=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[95, 15, 40, 56], Operations: [] Exploring Operation: 56-15=41, Resulting Numbers: [95, 40, 41] Generated Node #0,0: 95:[95, 40, 41] Operation: 56-15=41 Moving to Node #0,0 Current State: 95:[95, 40, 41], Operations: ['56-15=41'] Exploring Operation: 41-40=1, Resulting Numbers: [95, 1] Generated Node #0,0,2: 95:[95, 1] Operation: 41-40=1 Moving to Node #0,0,2 Current State: 95:[95, 1], Operations: ['56-15=41', '41-40=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 7, 70, 28, 31 ]
95
[ "7*28=196", "70+31=101", "196-101=95" ]
Current State: 95:[7, 70, 28, 31], Operations: [] Exploring Operation: 7*28=196, Resulting Numbers: [70, 31, 196] Generated Node #2: [70, 31, 196] from Operation: 7*28=196 Current State: 95:[70, 31, 196], Operations: ['7*28=196'] Exploring Operation: 70+31=101, Resulting Numbers: [196, 101] Generated Node #3: [196, 101] from Operation: 70+31=101 Current State: 95:[196, 101], Operations: ['7*28=196', '70+31=101'] Exploring Operation: 196-101=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[7, 70, 28, 31], Operations: [] Exploring Operation: 70+31=101, Resulting Numbers: [7, 28, 101] Generated Node #0,0: 95:[7, 28, 101] Operation: 70+31=101 Exploring Operation: 70+28=98, Resulting Numbers: [7, 31, 98] Generated Node #0,1: 95:[7, 31, 98] Operation: 70+28=98 Exploring Operation: 70/7=10, Resulting Numbers: [28, 31, 10] Generated Node #0,2: 95:[28, 31, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[7, 28, 101], Operations: ['70+31=101'] Exploring Operation: 28-7=21, Resulting Numbers: [101, 21] Generated Node #0,0,0: 95:[101, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [101, 4] Generated Node #0,0,1: 95:[101, 4] Operation: 28/7=4 Exploring Operation: 101-7=94, Resulting Numbers: [28, 94] Generated Node #0,0,2: 95:[28, 94] Operation: 101-7=94 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[101, 4], Operations: ['70+31=101', '28/7=4'] Exploring Operation: 101+4=105, Resulting Numbers: [105] 105,95 unequal: No Solution Exploring Operation: 101*4=404, Resulting Numbers: [404] 404,95 unequal: No Solution Exploring Operation: 101-4=97, Resulting Numbers: [97] 97,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[101, 21], Operations: ['70+31=101', '28-7=21'] Exploring Operation: 101*21=2121, Resulting Numbers: [2121] 2121,95 unequal: No Solution Exploring Operation: 101+21=122, Resulting Numbers: [122] 122,95 unequal: No Solution Exploring Operation: 101-21=80, Resulting Numbers: [80] 80,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[28, 94], Operations: ['70+31=101', '101-7=94'] Exploring Operation: 28*94=2632, Resulting Numbers: [2632] 2632,95 unequal: No Solution Exploring Operation: 28+94=122, Resulting Numbers: [122] 122,95 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,95 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[7, 31, 98], Operations: ['70+28=98'] Exploring Operation: 98/7=14, Resulting Numbers: [31, 14] Generated Node #0,1,0: 95:[31, 14] Operation: 98/7=14 Exploring Operation: 98-7=91, Resulting Numbers: [31, 91] Generated Node #0,1,1: 95:[31, 91] Operation: 98-7=91 Exploring Operation: 31-7=24, Resulting Numbers: [98, 24] Generated Node #0,1,2: 95:[98, 24] Operation: 31-7=24 Moving to Node #0,1,2 Current State: 95:[98, 24], Operations: ['70+28=98', '31-7=24'] Exploring Operation: 98*24=2352, Resulting Numbers: [2352] 2352,95 unequal: No Solution Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,95 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[31, 91], Operations: ['70+28=98', '98-7=91'] Exploring Operation: 31+91=122, Resulting Numbers: [122] 122,95 unequal: No Solution Exploring Operation: 31*91=2821, Resulting Numbers: [2821] 2821,95 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[31, 14], Operations: ['70+28=98', '98/7=14'] Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,95 unequal: No Solution Exploring Operation: 31*14=434, Resulting Numbers: [434] 434,95 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[28, 31, 10], Operations: ['70/7=10'] Exploring Operation: 28-10=18, Resulting Numbers: [31, 18] Generated Node #0,2,0: 95:[31, 18] Operation: 28-10=18 Exploring Operation: 31-28=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 95:[10, 3] Operation: 31-28=3 Exploring Operation: 31-10=21, Resulting Numbers: [28, 21] Generated Node #0,2,2: 95:[28, 21] Operation: 31-10=21 Moving to Node #0,2,1 Current State: 95:[10, 3], Operations: ['70/7=10', '31-28=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,95 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[28, 21], Operations: ['70/7=10', '31-10=21'] Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,95 unequal: No Solution Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,95 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[31, 18], Operations: ['70/7=10', '28-10=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,95 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,95 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,95 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
[ 87, 79, 40, 40 ]
87
[ "79-40=39", "40-39=1", "87*1=87" ]
Current State: 87:[87, 79, 40, 40], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [87, 39] Generated Node #2: [87, 39] from Operation: 79-40=39 Current State: 87:[87, 39], Operations: ['79-40=39'] Exploring Operation: 40-39=1, Resulting Numbers: [87, 1] Generated Node #3: [87, 1] from Operation: 40-39=1 Current State: 87:[87, 1], Operations: ['79-40=39', '40-39=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 79, 40, 40], Operations: [] Exploring Operation: 40-40=0, Resulting Numbers: [87, 79, 0] Generated Node #0,0: 87:[87, 79, 0] Operation: 40-40=0 Exploring Operation: 40/40=1, Resulting Numbers: [87, 79, 1] Generated Node #0,1: 87:[87, 79, 1] Operation: 40/40=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[87, 79, 1], Operations: ['40/40=1'] Exploring Operation: 79+1=80, Resulting Numbers: [87, 80] Generated Node #0,1,0: 87:[87, 80] Operation: 79+1=80 Exploring Operation: 87-79=8, Resulting Numbers: [1, 8] Generated Node #0,1,1: 87:[1, 8] Operation: 87-79=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[87, 80], Operations: ['40/40=1', '79+1=80'] Exploring Operation: 87-80=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 87+80=167, Resulting Numbers: [167] 167,87 unequal: No Solution No 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: 87:[1, 8], Operations: ['40/40=1', '87-79=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,87 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: 87:[87, 79, 0], Operations: ['40-40=0'] Exploring Operation: 87-79=8, Resulting Numbers: [0, 8] Generated Node #0,0,0: 87:[0, 8] Operation: 87-79=8 Exploring Operation: 79*0=0, Resulting Numbers: [87, 0] Generated Node #0,0,1: 87:[87, 0] Operation: 79*0=0 Moving to Node #0,0,1 Current State: 87:[87, 0], Operations: ['40-40=0', '79*0=0'] Exploring Operation: 87-0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[87, 79, 40, 40], Operations: [] Exploring Operation: 40-40=0, Resulting Numbers: [87, 79, 0] Generated Node #0,0: 87:[87, 79, 0] Operation: 40-40=0 Moving to Node #0,0 Current State: 87:[87, 79, 0], Operations: ['40-40=0'] Exploring Operation: 79*0=0, Resulting Numbers: [87, 0] Generated Node #0,0,1: 87:[87, 0] Operation: 79*0=0 Moving to Node #0,0,1 Current State: 87:[87, 0], Operations: ['40-40=0', '79*0=0'] Exploring Operation: 87-0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 14, 70, 33, 96 ]
45
[ "14+70=84", "33+96=129", "129-84=45" ]
Current State: 45:[14, 70, 33, 96], Operations: [] Exploring Operation: 14+70=84, Resulting Numbers: [33, 96, 84] Generated Node #2: [33, 96, 84] from Operation: 14+70=84 Current State: 45:[33, 96, 84], Operations: ['14+70=84'] Exploring Operation: 33+96=129, Resulting Numbers: [84, 129] Generated Node #3: [84, 129] from Operation: 33+96=129 Current State: 45:[84, 129], Operations: ['14+70=84', '33+96=129'] Exploring Operation: 129-84=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[14, 70, 33, 96], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [14, 33, 26] Generated Node #0,0: 45:[14, 33, 26] Operation: 96-70=26 Exploring Operation: 70-33=37, Resulting Numbers: [14, 96, 37] Generated Node #0,1: 45:[14, 96, 37] Operation: 70-33=37 Exploring Operation: 96-33=63, Resulting Numbers: [14, 70, 63] Generated Node #0,2: 45:[14, 70, 63] Operation: 96-33=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[14, 33, 26], Operations: ['96-70=26'] Exploring Operation: 33-26=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 45:[14, 7] Operation: 33-26=7 Exploring Operation: 14+33=47, Resulting Numbers: [26, 47] Generated Node #0,0,1: 45:[26, 47] Operation: 14+33=47 Exploring Operation: 33-14=19, Resulting Numbers: [26, 19] Generated Node #0,0,2: 45:[26, 19] Operation: 33-14=19 Moving to Node #0,0,0 Current State: 45:[14, 7], Operations: ['96-70=26', '33-26=7'] Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[26, 47], Operations: ['96-70=26', '14+33=47'] Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,45 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,45 unequal: No Solution Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[26, 19], Operations: ['96-70=26', '33-14=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,45 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[14, 70, 33, 96], Operations: [] Exploring Operation: 96-70=26, Resulting Numbers: [14, 33, 26] Generated Node #0,0: 45:[14, 33, 26] Operation: 96-70=26 Moving to Node #0,0 Current State: 45:[14, 33, 26], Operations: ['96-70=26'] Exploring Operation: 33-14=19, Resulting Numbers: [26, 19] Generated Node #0,0,2: 45:[26, 19] Operation: 33-14=19 Moving to Node #0,0,2 Current State: 45:[26, 19], Operations: ['96-70=26', '33-14=19'] Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 36, 94, 32, 92 ]
20
[ "94-92=2", "32/2=16", "36-16=20" ]
Current State: 20:[36, 94, 32, 92], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [36, 32, 2] Generated Node #2: [36, 32, 2] from Operation: 94-92=2 Current State: 20:[36, 32, 2], Operations: ['94-92=2'] Exploring Operation: 32/2=16, Resulting Numbers: [36, 16] Generated Node #3: [36, 16] from Operation: 32/2=16 Current State: 20:[36, 16], Operations: ['94-92=2', '32/2=16'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[36, 94, 32, 92], Operations: [] Exploring Operation: 94-36=58, Resulting Numbers: [32, 92, 58] Generated Node #0,0: 20:[32, 92, 58] Operation: 94-36=58 Exploring Operation: 94-92=2, Resulting Numbers: [36, 32, 2] Generated Node #0,1: 20:[36, 32, 2] Operation: 94-92=2 Moving to Node #0,1 Current State: 20:[36, 32, 2], Operations: ['94-92=2'] Exploring Operation: 36-32=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 20:[2, 4] Operation: 36-32=4 Exploring Operation: 36/2=18, Resulting Numbers: [32, 18] Generated Node #0,1,1: 20:[32, 18] Operation: 36/2=18 Moving to Node #0,0 Current State: 20:[32, 92, 58], Operations: ['94-36=58'] Exploring Operation: 92-32=60, Resulting Numbers: [58, 60] Generated Node #0,0,0: 20:[58, 60] Operation: 92-32=60 Exploring Operation: 92-58=34, Resulting Numbers: [32, 34] Generated Node #0,0,1: 20:[32, 34] Operation: 92-58=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[32, 34], Operations: ['94-36=58', '92-58=34'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,20 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:[58, 60], Operations: ['94-36=58', '92-32=60'] Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,20 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:[2, 4], Operations: ['94-92=2', '36-32=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[32, 18], Operations: ['94-92=2', '36/2=18'] Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,20 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 62, 92, 90, 32 ]
88
[ "92-62=30", "90-32=58", "30+58=88" ]
Current State: 88:[62, 92, 90, 32], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [90, 32, 30] Generated Node #2: [90, 32, 30] from Operation: 92-62=30 Current State: 88:[90, 32, 30], Operations: ['92-62=30'] Exploring Operation: 90-32=58, Resulting Numbers: [30, 58] Generated Node #3: [30, 58] from Operation: 90-32=58 Current State: 88:[30, 58], Operations: ['92-62=30', '90-32=58'] Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[62, 92, 90, 32], Operations: [] Exploring Operation: 62+32=94, Resulting Numbers: [92, 90, 94] Generated Node #0,0: 88:[92, 90, 94] Operation: 62+32=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[92, 90, 94], Operations: ['62+32=94'] Exploring Operation: 94-92=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 88:[90, 2] Operation: 94-92=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[90, 2], Operations: ['62+32=94', '94-92=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[62, 92, 90, 32], Operations: [] Exploring Operation: 62+32=94, Resulting Numbers: [92, 90, 94] Generated Node #0,0: 88:[92, 90, 94] Operation: 62+32=94 Moving to Node #0,0 Current State: 88:[92, 90, 94], Operations: ['62+32=94'] Exploring Operation: 94-92=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 88:[90, 2] Operation: 94-92=2 Moving to Node #0,0,0 Current State: 88:[90, 2], Operations: ['62+32=94', '94-92=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 5, 92, 49, 88 ]
69
[ "92-88=4", "5*4=20", "49+20=69" ]
Current State: 69:[5, 92, 49, 88], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [5, 49, 4] Generated Node #2: [5, 49, 4] from Operation: 92-88=4 Current State: 69:[5, 49, 4], Operations: ['92-88=4'] Exploring Operation: 5*4=20, Resulting Numbers: [49, 20] Generated Node #3: [49, 20] from Operation: 5*4=20 Current State: 69:[49, 20], Operations: ['92-88=4', '5*4=20'] Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[5, 92, 49, 88], Operations: [] Exploring Operation: 92-88=4, Resulting Numbers: [5, 49, 4] Generated Node #0,0: 69:[5, 49, 4] Operation: 92-88=4 Exploring Operation: 92-5=87, Resulting Numbers: [49, 88, 87] Generated Node #0,1: 69:[49, 88, 87] Operation: 92-5=87 Exploring Operation: 88-49=39, Resulting Numbers: [5, 92, 39] Generated Node #0,2: 69:[5, 92, 39] Operation: 88-49=39 Exploring Operation: 92-49=43, Resulting Numbers: [5, 88, 43] Generated Node #0,3: 69:[5, 88, 43] Operation: 92-49=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[5, 49, 4], Operations: ['92-88=4'] Exploring Operation: 49-5=44, Resulting Numbers: [4, 44] Generated Node #0,0,0: 69:[4, 44] Operation: 49-5=44 Exploring Operation: 49+4=53, Resulting Numbers: [5, 53] Generated Node #0,0,1: 69:[5, 53] Operation: 49+4=53 Exploring Operation: 5-4=1, Resulting Numbers: [49, 1] Generated Node #0,0,2: 69:[49, 1] Operation: 5-4=1 Exploring Operation: 5+49=54, Resulting Numbers: [4, 54] Generated Node #0,0,3: 69:[4, 54] Operation: 5+49=54 Moving to Node #0,0,3 Current State: 69:[4, 54], Operations: ['92-88=4', '5+49=54'] Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,69 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[5, 53], Operations: ['92-88=4', '49+4=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,69 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[49, 1], Operations: ['92-88=4', '5-4=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[4, 44], Operations: ['92-88=4', '49-5=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,69 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,69 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 #0,2 Current State: 69:[5, 92, 39], Operations: ['88-49=39'] Exploring Operation: 5+92=97, Resulting Numbers: [39, 97] Generated Node #0,2,0: 69:[39, 97] Operation: 5+92=97 Exploring Operation: 92-5=87, Resulting Numbers: [39, 87] Generated Node #0,2,1: 69:[39, 87] Operation: 92-5=87 Exploring Operation: 39-5=34, Resulting Numbers: [92, 34] Generated Node #0,2,2: 69:[92, 34] Operation: 39-5=34 Exploring Operation: 92-39=53, Resulting Numbers: [5, 53] Generated Node #0,2,3: 69:[5, 53] Operation: 92-39=53 Moving to Node #0,2,3 Current State: 69:[5, 53], Operations: ['88-49=39', '92-39=53'] Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,69 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[92, 34], Operations: ['88-49=39', '39-5=34'] Exploring Operation: 92*34=3128, Resulting Numbers: [3128] 3128,69 unequal: No Solution Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[39, 87], Operations: ['88-49=39', '92-5=87'] Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,69 unequal: No Solution Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[39, 97], Operations: ['88-49=39', '5+92=97'] Exploring Operation: 39+97=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 39*97=3783, Resulting Numbers: [3783] 3783,69 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[5, 88, 43], Operations: ['92-49=43'] Exploring Operation: 88-5=83, Resulting Numbers: [43, 83] Generated Node #0,3,0: 69:[43, 83] Operation: 88-5=83 Exploring Operation: 5+43=48, Resulting Numbers: [88, 48] Generated Node #0,3,1: 69:[88, 48] Operation: 5+43=48 Exploring Operation: 43-5=38, Resulting Numbers: [88, 38] Generated Node #0,3,2: 69:[88, 38] Operation: 43-5=38 Exploring Operation: 88-43=45, Resulting Numbers: [5, 45] Generated Node #0,3,3: 69:[5, 45] Operation: 88-43=45 Moving to Node #0,3,3 Current State: 69:[5, 45], Operations: ['92-49=43', '88-43=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,69 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[88, 38], Operations: ['92-49=43', '43-5=38'] Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,69 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[43, 83], Operations: ['92-49=43', '88-5=83'] Exploring Operation: 43*83=3569, Resulting Numbers: [3569] 3569,69 unequal: No Solution Exploring Operation: 43+83=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[88, 48], Operations: ['92-49=43', '5+43=48'] Exploring Operation: 88-48=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 88+48=136, Resulting Numbers: [136] 136,69 unequal: No Solution Exploring Operation: 88*48=4224, Resulting Numbers: [4224] 4224,69 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 Current State: 69:[49, 88, 87], Operations: ['92-5=87'] Exploring Operation: 88-49=39, Resulting Numbers: [87, 39] Generated Node #0,1,0: 69:[87, 39] Operation: 88-49=39 Exploring Operation: 88-87=1, Resulting Numbers: [49, 1] Generated Node #0,1,1: 69:[49, 1] Operation: 88-87=1 Exploring Operation: 87-49=38, Resulting Numbers: [88, 38] Generated Node #0,1,2: 69:[88, 38] Operation: 87-49=38 Exploring Operation: 49+88=137, Resulting Numbers: [87, 137] Generated Node #0,1,3: 69:[87, 137] Operation: 49+88=137 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[49, 1], Operations: ['92-5=87', '88-87=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 49+1=50, Resulting Numbers: [50] 50,69 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[87, 39], Operations: ['92-5=87', '88-49=39'] Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,69 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[88, 38], Operations: ['92-5=87', '87-49=38'] Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,69 unequal: No Solution Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 69:[87, 137], Operations: ['92-5=87', '49+88=137'] Exploring Operation: 87+137=224, Resulting Numbers: [224] 224,69 unequal: No Solution Exploring Operation: 87*137=11919, Resulting Numbers: [11919] 11919,69 unequal: No Solution Exploring Operation: 137-87=50, Resulting Numbers: [50] 50,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 57, 45, 78, 63 ]
15
[ "78-57=21", "45*21=945", "945/63=15" ]
Current State: 15:[57, 45, 78, 63], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [45, 63, 21] Generated Node #2: [45, 63, 21] from Operation: 78-57=21 Current State: 15:[45, 63, 21], Operations: ['78-57=21'] Exploring Operation: 45*21=945, Resulting Numbers: [63, 945] Generated Node #3: [63, 945] from Operation: 45*21=945 Current State: 15:[63, 945], Operations: ['78-57=21', '45*21=945'] Exploring Operation: 945/63=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[57, 45, 78, 63], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [57, 63, 33] Generated Node #0,0: 15:[57, 63, 33] Operation: 78-45=33 Exploring Operation: 78-63=15, Resulting Numbers: [57, 45, 15] Generated Node #0,1: 15:[57, 45, 15] Operation: 78-63=15 Exploring Operation: 63-57=6, Resulting Numbers: [45, 78, 6] Generated Node #0,2: 15:[45, 78, 6] Operation: 63-57=6 Exploring Operation: 78-57=21, Resulting Numbers: [45, 63, 21] Generated Node #0,3: 15:[45, 63, 21] Operation: 78-57=21 Exploring Operation: 63-45=18, Resulting Numbers: [57, 78, 18] Generated Node #0,4: 15:[57, 78, 18] Operation: 63-45=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[57, 45, 15], Operations: ['78-63=15'] Exploring Operation: 45/15=3, Resulting Numbers: [57, 3] Generated Node #0,1,0: 15:[57, 3] Operation: 45/15=3 Exploring Operation: 57-15=42, Resulting Numbers: [45, 42] Generated Node #0,1,1: 15:[45, 42] Operation: 57-15=42 Exploring Operation: 57-45=12, Resulting Numbers: [15, 12] Generated Node #0,1,2: 15:[15, 12] Operation: 57-45=12 Exploring Operation: 45-15=30, Resulting Numbers: [57, 30] Generated Node #0,1,3: 15:[57, 30] Operation: 45-15=30 Exploring Operation: 57+45=102, Resulting Numbers: [15, 102] Generated Node #0,1,4: 15:[15, 102] Operation: 57+45=102 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 15:[15, 12], Operations: ['78-63=15', '57-45=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[57, 3], Operations: ['78-63=15', '45/15=3'] Exploring Operation: 57*3=171, Resulting Numbers: [171] 171,15 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,15 unequal: No Solution Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[45, 42], Operations: ['78-63=15', '57-15=42'] Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 45*42=1890, Resulting Numbers: [1890] 1890,15 unequal: No Solution Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 15:[57, 30], Operations: ['78-63=15', '45-15=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,15 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,15 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 15:[15, 102], Operations: ['78-63=15', '57+45=102'] Exploring Operation: 15+102=117, Resulting Numbers: [117] 117,15 unequal: No Solution Exploring Operation: 15*102=1530, Resulting Numbers: [1530] 1530,15 unequal: No Solution Exploring Operation: 102-15=87, Resulting Numbers: [87] 87,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[45, 63, 21], Operations: ['78-57=21'] Exploring Operation: 45-21=24, Resulting Numbers: [63, 24] Generated Node #0,3,0: 15:[63, 24] Operation: 45-21=24 Exploring Operation: 45+63=108, Resulting Numbers: [21, 108] Generated Node #0,3,1: 15:[21, 108] Operation: 45+63=108 Exploring Operation: 63-21=42, Resulting Numbers: [45, 42] Generated Node #0,3,2: 15:[45, 42] Operation: 63-21=42 Exploring Operation: 63/21=3, Resulting Numbers: [45, 3] Generated Node #0,3,3: 15:[45, 3] Operation: 63/21=3 Exploring Operation: 63-45=18, Resulting Numbers: [21, 18] Generated Node #0,3,4: 15:[21, 18] Operation: 63-45=18 Moving to Node #0,3,4 Current State: 15:[21, 18], Operations: ['78-57=21', '63-45=18'] Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,15 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[45, 3], Operations: ['78-57=21', '63/21=3'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,15 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[57, 45, 78, 63], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [45, 63, 21] Generated Node #0,3: 15:[45, 63, 21] Operation: 78-57=21 Moving to Node #0,3 Current State: 15:[45, 63, 21], Operations: ['78-57=21'] Exploring Operation: 63/21=3, Resulting Numbers: [45, 3] Generated Node #0,3,3: 15:[45, 3] Operation: 63/21=3 Moving to Node #0,3,3 Current State: 15:[45, 3], Operations: ['78-57=21', '63/21=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 33, 79, 40, 35 ]
99
[ "35-33=2", "40/2=20", "79+20=99" ]
Current State: 99:[33, 79, 40, 35], Operations: [] Exploring Operation: 35-33=2, Resulting Numbers: [79, 40, 2] Generated Node #2: [79, 40, 2] from Operation: 35-33=2 Current State: 99:[79, 40, 2], Operations: ['35-33=2'] Exploring Operation: 40/2=20, Resulting Numbers: [79, 20] Generated Node #3: [79, 20] from Operation: 40/2=20 Current State: 99:[79, 20], Operations: ['35-33=2', '40/2=20'] Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[33, 79, 40, 35], Operations: [] Exploring Operation: 79-35=44, Resulting Numbers: [33, 40, 44] Generated Node #0,0: 99:[33, 40, 44] Operation: 79-35=44 Exploring Operation: 33+79=112, Resulting Numbers: [40, 35, 112] Generated Node #0,1: 99:[40, 35, 112] Operation: 33+79=112 Exploring Operation: 79-40=39, Resulting Numbers: [33, 35, 39] Generated Node #0,2: 99:[33, 35, 39] Operation: 79-40=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[33, 35, 39], Operations: ['79-40=39'] Exploring Operation: 39-33=6, Resulting Numbers: [35, 6] Generated Node #0,2,0: 99:[35, 6] Operation: 39-33=6 Exploring Operation: 39-35=4, Resulting Numbers: [33, 4] Generated Node #0,2,1: 99:[33, 4] Operation: 39-35=4 Exploring Operation: 35-33=2, Resulting Numbers: [39, 2] Generated Node #0,2,2: 99:[39, 2] Operation: 35-33=2 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 99:[33, 4], Operations: ['79-40=39', '39-35=4'] Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,99 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[35, 6], Operations: ['79-40=39', '39-33=6'] Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,99 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 99:[39, 2], Operations: ['79-40=39', '35-33=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[33, 40, 44], Operations: ['79-35=44'] Exploring Operation: 44-33=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 99:[40, 11] Operation: 44-33=11 Exploring Operation: 40-33=7, Resulting Numbers: [44, 7] Generated Node #0,0,1: 99:[44, 7] Operation: 40-33=7 Exploring Operation: 44-40=4, Resulting Numbers: [33, 4] Generated Node #0,0,2: 99:[33, 4] Operation: 44-40=4 Moving to Node #0,0,2 Current State: 99:[33, 4], Operations: ['79-35=44', '44-40=4'] Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,99 unequal: No Solution Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[40, 11], Operations: ['79-35=44', '44-33=11'] Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,99 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[44, 7], Operations: ['79-35=44', '40-33=7'] Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,99 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[40, 35, 112], Operations: ['33+79=112'] Exploring Operation: 112-40=72, Resulting Numbers: [35, 72] Generated Node #0,1,0: 99:[35, 72] Operation: 112-40=72 Exploring Operation: 112-35=77, Resulting Numbers: [40, 77] Generated Node #0,1,1: 99:[40, 77] Operation: 112-35=77 Exploring Operation: 40-35=5, Resulting Numbers: [112, 5] Generated Node #0,1,2: 99:[112, 5] Operation: 40-35=5 Moving to Node #0,1,2 Current State: 99:[112, 5], Operations: ['33+79=112', '40-35=5'] Exploring Operation: 112*5=560, Resulting Numbers: [560] 560,99 unequal: No Solution Exploring Operation: 112-5=107, Resulting Numbers: [107] 107,99 unequal: No Solution Exploring Operation: 112+5=117, Resulting Numbers: [117] 117,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[35, 72], Operations: ['33+79=112', '112-40=72'] Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,99 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[40, 77], Operations: ['33+79=112', '112-35=77'] Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,99 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,99 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
[ 2, 60, 12, 58 ]
43
[ "58/2=29", "60+12=72", "72-29=43" ]
Current State: 43:[2, 60, 12, 58], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [60, 12, 29] Generated Node #2: [60, 12, 29] from Operation: 58/2=29 Current State: 43:[60, 12, 29], Operations: ['58/2=29'] Exploring Operation: 60+12=72, Resulting Numbers: [29, 72] Generated Node #3: [29, 72] from Operation: 60+12=72 Current State: 43:[29, 72], Operations: ['58/2=29', '60+12=72'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 60, 12, 58], Operations: [] Exploring Operation: 2*12=24, Resulting Numbers: [60, 58, 24] Generated Node #0,0: 43:[60, 58, 24] Operation: 2*12=24 Exploring Operation: 60-2=58, Resulting Numbers: [12, 58, 58] Generated Node #0,1: 43:[12, 58, 58] Operation: 60-2=58 Exploring Operation: 60/2=30, Resulting Numbers: [12, 58, 30] Generated Node #0,2: 43:[12, 58, 30] Operation: 60/2=30 Exploring Operation: 2+12=14, Resulting Numbers: [60, 58, 14] Generated Node #0,3: 43:[60, 58, 14] Operation: 2+12=14 Exploring Operation: 58-2=56, Resulting Numbers: [60, 12, 56] Generated Node #0,4: 43:[60, 12, 56] Operation: 58-2=56 Moving to Node #0,0 Current State: 43:[60, 58, 24], Operations: ['2*12=24'] Exploring Operation: 58+24=82, Resulting Numbers: [60, 82] Generated Node #0,0,0: 43:[60, 82] Operation: 58+24=82 Exploring Operation: 60-58=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 43:[24, 2] Operation: 60-58=2 Exploring Operation: 60-24=36, Resulting Numbers: [58, 36] Generated Node #0,0,2: 43:[58, 36] Operation: 60-24=36 Exploring Operation: 60+24=84, Resulting Numbers: [58, 84] Generated Node #0,0,3: 43:[58, 84] Operation: 60+24=84 Exploring Operation: 58-24=34, Resulting Numbers: [60, 34] Generated Node #0,0,4: 43:[60, 34] Operation: 58-24=34 Moving to Node #0,2 Current State: 43:[12, 58, 30], Operations: ['60/2=30'] Exploring Operation: 58-12=46, Resulting Numbers: [30, 46] Generated Node #0,2,0: 43:[30, 46] Operation: 58-12=46 Exploring Operation: 12+30=42, Resulting Numbers: [58, 42] Generated Node #0,2,1: 43:[58, 42] Operation: 12+30=42 Exploring Operation: 30-12=18, Resulting Numbers: [58, 18] Generated Node #0,2,2: 43:[58, 18] Operation: 30-12=18 Exploring Operation: 12+58=70, Resulting Numbers: [30, 70] Generated Node #0,2,3: 43:[30, 70] Operation: 12+58=70 Exploring Operation: 58-30=28, Resulting Numbers: [12, 28] Generated Node #0,2,4: 43:[12, 28] Operation: 58-30=28 Moving to Node #0,1 Current State: 43:[12, 58, 58], Operations: ['60-2=58'] Exploring Operation: 58/58=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 43:[12, 1] Operation: 58/58=1 Exploring Operation: 58-12=46, Resulting Numbers: [58, 46] Generated Node #0,1,1: 43:[58, 46] Operation: 58-12=46 Exploring Operation: 58-12=46, Resulting Numbers: [58, 46] Generated Node #0,1,2: 43:[58, 46] Operation: 58-12=46 Exploring Operation: 12+58=70, Resulting Numbers: [58, 70] Generated Node #0,1,3: 43:[58, 70] Operation: 12+58=70 Exploring Operation: 12+58=70, Resulting Numbers: [58, 70] Generated Node #0,1,4: 43:[58, 70] Operation: 12+58=70 Moving to Node #0,3 Current State: 43:[60, 58, 14], Operations: ['2+12=14'] Exploring Operation: 58+14=72, Resulting Numbers: [60, 72] Generated Node #0,3,0: 43:[60, 72] Operation: 58+14=72 Exploring Operation: 58-14=44, Resulting Numbers: [60, 44] Generated Node #0,3,1: 43:[60, 44] Operation: 58-14=44 Exploring Operation: 60-14=46, Resulting Numbers: [58, 46] Generated Node #0,3,2: 43:[58, 46] Operation: 60-14=46 Exploring Operation: 60-58=2, Resulting Numbers: [14, 2] Generated Node #0,3,3: 43:[14, 2] Operation: 60-58=2 Exploring Operation: 60+14=74, Resulting Numbers: [58, 74] Generated Node #0,3,4: 43:[58, 74] Operation: 60+14=74 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[60, 44], Operations: ['2+12=14', '58-14=44'] Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 43:[58, 46], Operations: ['2+12=14', '60-14=46'] Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,43 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[60, 72], Operations: ['2+12=14', '58+14=72'] Exploring Operation: 60*72=4320, Resulting Numbers: [4320] 4320,43 unequal: No Solution Exploring Operation: 60+72=132, Resulting Numbers: [132] 132,43 unequal: No Solution Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 43:[58, 74], Operations: ['2+12=14', '60+14=74'] Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 58+74=132, Resulting Numbers: [132] 132,43 unequal: No Solution Exploring Operation: 58*74=4292, Resulting Numbers: [4292] 4292,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 43:[14, 2], Operations: ['2+12=14', '60-58=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,43 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,43 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: 43:[60, 12, 56], Operations: ['58-2=56'] Exploring Operation: 60/12=5, Resulting Numbers: [56, 5] Generated Node #0,4,0: 43:[56, 5] Operation: 60/12=5 Exploring Operation: 60+12=72, Resulting Numbers: [56, 72] Generated Node #0,4,1: 43:[56, 72] Operation: 60+12=72 Exploring Operation: 56-12=44, Resulting Numbers: [60, 44] Generated Node #0,4,2: 43:[60, 44] Operation: 56-12=44 Exploring Operation: 12+56=68, Resulting Numbers: [60, 68] Generated Node #0,4,3: 43:[60, 68] Operation: 12+56=68 Exploring Operation: 60-12=48, Resulting Numbers: [56, 48] Generated Node #0,4,4: 43:[56, 48] Operation: 60-12=48 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 43:[60, 44], Operations: ['58-2=56', '56-12=44'] Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,43 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 43:[56, 48], Operations: ['58-2=56', '60-12=48'] Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 43:[56, 72], Operations: ['58-2=56', '60+12=72'] Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,43 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 43:[60, 68], Operations: ['58-2=56', '12+56=68'] Exploring Operation: 60+68=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 60*68=4080, Resulting Numbers: [4080] 4080,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 43:[56, 5], Operations: ['58-2=56', '60/12=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 43:[30, 46], Operations: ['60/2=30', '58-12=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,43 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[58, 42], Operations: ['60/2=30', '12+30=42'] Exploring Operation: 58*42=2436, Resulting Numbers: [2436] 2436,43 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[58, 46], Operations: ['60-2=58', '58-12=46'] Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,43 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[58, 46], Operations: ['60-2=58', '58-12=46'] Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,43 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[58, 36], Operations: ['2*12=24', '60-24=36'] Exploring Operation: 58-36=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 58+36=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 58*36=2088, Resulting Numbers: [2088] 2088,43 unequal: No Solution Moving to Node #0,0,4 Current State: 43:[60, 34], Operations: ['2*12=24', '58-24=34'] Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 60+34=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 60*34=2040, Resulting Numbers: [2040] 2040,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[58, 18], Operations: ['60/2=30', '30-12=18'] Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[30, 70], Operations: ['60/2=30', '12+58=70'] Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 30*70=2100, Resulting Numbers: [2100] 2100,43 unequal: No Solution Exploring Operation: 30+70=100, Resulting Numbers: [100] 100,43 unequal: No Solution Moving to Node #0,1,4 Current State: 43:[58, 70], Operations: ['60-2=58', '12+58=70'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[58, 70], Operations: ['60-2=58', '12+58=70'] Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,43 unequal: No Solution Moving to Node #0,2,4 Current State: 43:[12, 28], Operations: ['60/2=30', '58-30=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,43 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[60, 82], Operations: ['2*12=24', '58+24=82'] Exploring Operation: 60*82=4920, Resulting Numbers: [4920] 4920,43 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 60+82=142, Resulting Numbers: [142] 142,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[58, 84], Operations: ['2*12=24', '60+24=84'] Exploring Operation: 58+84=142, Resulting Numbers: [142] 142,43 unequal: No Solution Exploring Operation: 58*84=4872, Resulting Numbers: [4872] 4872,43 unequal: No Solution Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[24, 2], Operations: ['2*12=24', '60-58=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[12, 1], Operations: ['60-2=58', '58/58=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,43 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 34, 94, 36, 53 ]
47
[ "53-36=17", "34/17=2", "94/2=47" ]
Current State: 47:[34, 94, 36, 53], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [34, 94, 17] Generated Node #2: [34, 94, 17] from Operation: 53-36=17 Current State: 47:[34, 94, 17], Operations: ['53-36=17'] Exploring Operation: 34/17=2, Resulting Numbers: [94, 2] Generated Node #3: [94, 2] from Operation: 34/17=2 Current State: 47:[94, 2], Operations: ['53-36=17', '34/17=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[34, 94, 36, 53], Operations: [] Exploring Operation: 53-34=19, Resulting Numbers: [94, 36, 19] Generated Node #0,0: 47:[94, 36, 19] Operation: 53-34=19 Exploring Operation: 94-53=41, Resulting Numbers: [34, 36, 41] Generated Node #0,1: 47:[34, 36, 41] Operation: 94-53=41 Exploring Operation: 94-34=60, Resulting Numbers: [36, 53, 60] Generated Node #0,2: 47:[36, 53, 60] Operation: 94-34=60 Exploring Operation: 34+36=70, Resulting Numbers: [94, 53, 70] Generated Node #0,3: 47:[94, 53, 70] Operation: 34+36=70 Exploring Operation: 94-36=58, Resulting Numbers: [34, 53, 58] Generated Node #0,4: 47:[34, 53, 58] Operation: 94-36=58 Moving to Node #0,1 Current State: 47:[34, 36, 41], Operations: ['94-53=41'] Exploring Operation: 36-34=2, Resulting Numbers: [41, 2] Generated Node #0,1,0: 47:[41, 2] Operation: 36-34=2 Exploring Operation: 36+41=77, Resulting Numbers: [34, 77] Generated Node #0,1,1: 47:[34, 77] Operation: 36+41=77 Exploring Operation: 34+41=75, Resulting Numbers: [36, 75] Generated Node #0,1,2: 47:[36, 75] Operation: 34+41=75 Exploring Operation: 41-34=7, Resulting Numbers: [36, 7] Generated Node #0,1,3: 47:[36, 7] Operation: 41-34=7 Exploring Operation: 34+36=70, Resulting Numbers: [41, 70] Generated Node #0,1,4: 47:[41, 70] Operation: 34+36=70 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 47:[41, 70], Operations: ['94-53=41', '34+36=70'] Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,47 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[36, 75], Operations: ['94-53=41', '34+41=75'] Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[34, 77], Operations: ['94-53=41', '36+41=77'] Exploring Operation: 34+77=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 34*77=2618, Resulting Numbers: [2618] 2618,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[41, 2], Operations: ['94-53=41', '36-34=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,47 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 47:[36, 7], Operations: ['94-53=41', '41-34=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,47 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,47 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: 47:[34, 53, 58], Operations: ['94-36=58'] Exploring Operation: 34+53=87, Resulting Numbers: [58, 87] Generated Node #0,4,0: 47:[58, 87] Operation: 34+53=87 Exploring Operation: 34+58=92, Resulting Numbers: [53, 92] Generated Node #0,4,1: 47:[53, 92] Operation: 34+58=92 Exploring Operation: 58-34=24, Resulting Numbers: [53, 24] Generated Node #0,4,2: 47:[53, 24] Operation: 58-34=24 Exploring Operation: 53-34=19, Resulting Numbers: [58, 19] Generated Node #0,4,3: 47:[58, 19] Operation: 53-34=19 Exploring Operation: 58-53=5, Resulting Numbers: [34, 5] Generated Node #0,4,4: 47:[34, 5] Operation: 58-53=5 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 47:[53, 24], Operations: ['94-36=58', '58-34=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 47:[58, 19], Operations: ['94-36=58', '53-34=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 47:[58, 87], Operations: ['94-36=58', '34+53=87'] Exploring Operation: 58*87=5046, Resulting Numbers: [5046] 5046,47 unequal: No Solution Exploring Operation: 58+87=145, Resulting Numbers: [145] 145,47 unequal: No Solution Exploring Operation: 87-58=29, Resulting Numbers: [29] 29,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 47:[53, 92], Operations: ['94-36=58', '34+58=92'] Exploring Operation: 53*92=4876, Resulting Numbers: [4876] 4876,47 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,47 unequal: No Solution Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 47:[34, 5], Operations: ['94-36=58', '58-53=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,47 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: 47:[36, 53, 60], Operations: ['94-34=60'] Exploring Operation: 36+60=96, Resulting Numbers: [53, 96] Generated Node #0,2,0: 47:[53, 96] Operation: 36+60=96 Exploring Operation: 53-36=17, Resulting Numbers: [60, 17] Generated Node #0,2,1: 47:[60, 17] Operation: 53-36=17 Exploring Operation: 36+53=89, Resulting Numbers: [60, 89] Generated Node #0,2,2: 47:[60, 89] Operation: 36+53=89 Exploring Operation: 60-53=7, Resulting Numbers: [36, 7] Generated Node #0,2,3: 47:[36, 7] Operation: 60-53=7 Exploring Operation: 60-36=24, Resulting Numbers: [53, 24] Generated Node #0,2,4: 47:[53, 24] Operation: 60-36=24 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 47:[53, 24], Operations: ['94-34=60', '60-36=24'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[60, 17], Operations: ['94-34=60', '53-36=17'] Exploring Operation: 60+17=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 60*17=1020, Resulting Numbers: [1020] 1020,47 unequal: No Solution Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[36, 7], Operations: ['94-34=60', '60-53=7'] Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,47 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[53, 96], Operations: ['94-34=60', '36+60=96'] Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 53*96=5088, Resulting Numbers: [5088] 5088,47 unequal: No Solution Exploring Operation: 53+96=149, Resulting Numbers: [149] 149,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[60, 89], Operations: ['94-34=60', '36+53=89'] Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 60*89=5340, Resulting Numbers: [5340] 5340,47 unequal: No Solution Exploring Operation: 60+89=149, Resulting Numbers: [149] 149,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 47:[94, 53, 70], Operations: ['34+36=70'] Exploring Operation: 94-70=24, Resulting Numbers: [53, 24] Generated Node #0,3,0: 47:[53, 24] Operation: 94-70=24 Exploring Operation: 94+53=147, Resulting Numbers: [70, 147] Generated Node #0,3,1: 47:[70, 147] Operation: 94+53=147 Exploring Operation: 94+70=164, Resulting Numbers: [53, 164] Generated Node #0,3,2: 47:[53, 164] Operation: 94+70=164 Exploring Operation: 70-53=17, Resulting Numbers: [94, 17] Generated Node #0,3,3: 47:[94, 17] Operation: 70-53=17 Exploring Operation: 94-53=41, Resulting Numbers: [70, 41] Generated Node #0,3,4: 47:[70, 41] Operation: 94-53=41 Moving to Node #0,0 Current State: 47:[94, 36, 19], Operations: ['53-34=19'] Exploring Operation: 36+19=55, Resulting Numbers: [94, 55] Generated Node #0,0,0: 47:[94, 55] Operation: 36+19=55 Exploring Operation: 94-36=58, Resulting Numbers: [19, 58] Generated Node #0,0,1: 47:[19, 58] Operation: 94-36=58 Exploring Operation: 94+19=113, Resulting Numbers: [36, 113] Generated Node #0,0,2: 47:[36, 113] Operation: 94+19=113 Exploring Operation: 94-19=75, Resulting Numbers: [36, 75] Generated Node #0,0,3: 47:[36, 75] Operation: 94-19=75 Exploring Operation: 36-19=17, Resulting Numbers: [94, 17] Generated Node #0,0,4: 47:[94, 17] Operation: 36-19=17 Moving to Node #0,3,0 Current State: 47:[53, 24], Operations: ['34+36=70', '94-70=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[70, 41], Operations: ['34+36=70', '94-53=41'] Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,47 unequal: No Solution Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[19, 58], Operations: ['53-34=19', '94-36=58'] Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,47 unequal: No Solution Moving to Node #0,0,3 Current State: 47:[36, 75], Operations: ['53-34=19', '94-19=75'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 36*75=2700, Resulting Numbers: [2700] 2700,47 unequal: No Solution Exploring Operation: 36+75=111, Resulting Numbers: [111] 111,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[94, 55], Operations: ['53-34=19', '36+19=55'] Exploring Operation: 94+55=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 94*55=5170, Resulting Numbers: [5170] 5170,47 unequal: No Solution Exploring Operation: 94-55=39, Resulting Numbers: [39] 39,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[94, 17], Operations: ['34+36=70', '70-53=17'] Exploring Operation: 94*17=1598, Resulting Numbers: [1598] 1598,47 unequal: No Solution Exploring Operation: 94+17=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,47 unequal: No Solution Moving to Node #0,0,4 Current State: 47:[94, 17], Operations: ['53-34=19', '36-19=17'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 94+17=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 94*17=1598, Resulting Numbers: [1598] 1598,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[36, 113], Operations: ['53-34=19', '94+19=113'] Exploring Operation: 36+113=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 113-36=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 36*113=4068, Resulting Numbers: [4068] 4068,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[53, 164], Operations: ['34+36=70', '94+70=164'] Exploring Operation: 53+164=217, Resulting Numbers: [217] 217,47 unequal: No Solution Exploring Operation: 164-53=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 53*164=8692, Resulting Numbers: [8692] 8692,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[70, 147], Operations: ['34+36=70', '94+53=147'] Exploring Operation: 147-70=77, Resulting Numbers: [77] 77,47 unequal: No Solution Exploring Operation: 70+147=217, Resulting Numbers: [217] 217,47 unequal: No Solution Exploring Operation: 70*147=10290, Resulting Numbers: [10290] 10290,47 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 92, 7, 19, 80 ]
95
[ "92-7=85", "85-80=5", "19*5=95" ]
Current State: 95:[92, 7, 19, 80], Operations: [] Exploring Operation: 92-7=85, Resulting Numbers: [19, 80, 85] Generated Node #2: [19, 80, 85] from Operation: 92-7=85 Current State: 95:[19, 80, 85], Operations: ['92-7=85'] Exploring Operation: 85-80=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 85-80=5 Current State: 95:[19, 5], Operations: ['92-7=85', '85-80=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[92, 7, 19, 80], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [7, 19, 12] Generated Node #0,0: 95:[7, 19, 12] Operation: 92-80=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[7, 19, 12], Operations: ['92-80=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19, 19] Generated Node #0,0,0: 95:[19, 19] Operation: 7+12=19 Moving to Node #0,0,0 Current State: 95:[19, 19], Operations: ['92-80=12', '7+12=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 73, 35, 93, 65 ]
10
[ "73-35=38", "93-65=28", "38-28=10" ]
Current State: 10:[73, 35, 93, 65], Operations: [] Exploring Operation: 73-35=38, Resulting Numbers: [93, 65, 38] Generated Node #2: [93, 65, 38] from Operation: 73-35=38 Current State: 10:[93, 65, 38], Operations: ['73-35=38'] Exploring Operation: 93-65=28, Resulting Numbers: [38, 28] Generated Node #3: [38, 28] from Operation: 93-65=28 Current State: 10:[38, 28], Operations: ['73-35=38', '93-65=28'] Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[73, 35, 93, 65], Operations: [] Exploring Operation: 73-65=8, Resulting Numbers: [35, 93, 8] Generated Node #0,0: 10:[35, 93, 8] Operation: 73-65=8 Exploring Operation: 93-73=20, Resulting Numbers: [35, 65, 20] Generated Node #0,1: 10:[35, 65, 20] Operation: 93-73=20 Exploring Operation: 93-65=28, Resulting Numbers: [73, 35, 28] Generated Node #0,2: 10:[73, 35, 28] Operation: 93-65=28 Exploring Operation: 93-35=58, Resulting Numbers: [73, 65, 58] Generated Node #0,3: 10:[73, 65, 58] Operation: 93-35=58 Exploring Operation: 73-35=38, Resulting Numbers: [93, 65, 38] Generated Node #0,4: 10:[93, 65, 38] Operation: 73-35=38 Moving to Node #0,1 Current State: 10:[35, 65, 20], Operations: ['93-73=20'] Exploring Operation: 35+20=55, Resulting Numbers: [65, 55] Generated Node #0,1,0: 10:[65, 55] Operation: 35+20=55 Exploring Operation: 35-20=15, Resulting Numbers: [65, 15] Generated Node #0,1,1: 10:[65, 15] Operation: 35-20=15 Exploring Operation: 65-20=45, Resulting Numbers: [35, 45] Generated Node #0,1,2: 10:[35, 45] Operation: 65-20=45 Exploring Operation: 65-35=30, Resulting Numbers: [20, 30] Generated Node #0,1,3: 10:[20, 30] Operation: 65-35=30 Exploring Operation: 35+65=100, Resulting Numbers: [20, 100] Generated Node #0,1,4: 10:[20, 100] Operation: 35+65=100 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[20, 30], Operations: ['93-73=20', '65-35=30'] Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,10 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[73, 35, 93, 65], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [35, 65, 20] Generated Node #0,1: 10:[35, 65, 20] Operation: 93-73=20 Moving to Node #0,1 Current State: 10:[35, 65, 20], Operations: ['93-73=20'] Exploring Operation: 65-35=30, Resulting Numbers: [20, 30] Generated Node #0,1,3: 10:[20, 30] Operation: 65-35=30 Moving to Node #0,1,3 Current State: 10:[20, 30], Operations: ['93-73=20', '65-35=30'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 38, 24, 72, 36 ]
12
[ "38-24=14", "72/36=2", "14-2=12" ]
Current State: 12:[38, 24, 72, 36], Operations: [] Exploring Operation: 38-24=14, Resulting Numbers: [72, 36, 14] Generated Node #2: [72, 36, 14] from Operation: 38-24=14 Current State: 12:[72, 36, 14], Operations: ['38-24=14'] Exploring Operation: 72/36=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 72/36=2 Current State: 12:[14, 2], Operations: ['38-24=14', '72/36=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[38, 24, 72, 36], Operations: [] Exploring Operation: 72-38=34, Resulting Numbers: [24, 36, 34] Generated Node #0,0: 12:[24, 36, 34] Operation: 72-38=34 Exploring Operation: 72/36=2, Resulting Numbers: [38, 24, 2] Generated Node #0,1: 12:[38, 24, 2] Operation: 72/36=2 Exploring Operation: 72/24=3, Resulting Numbers: [38, 36, 3] Generated Node #0,2: 12:[38, 36, 3] Operation: 72/24=3 Moving to Node #0,1 Current State: 12:[38, 24, 2], Operations: ['72/36=2'] Exploring Operation: 24/2=12, Resulting Numbers: [38, 12] Generated Node #0,1,0: 12:[38, 12] Operation: 24/2=12 Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 12:[2, 14] Operation: 38-24=14 Exploring Operation: 38/2=19, Resulting Numbers: [24, 19] Generated Node #0,1,2: 12:[24, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[2, 14], Operations: ['72/36=2', '38-24=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,12 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[38, 24, 72, 36], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [38, 24, 2] Generated Node #0,1: 12:[38, 24, 2] Operation: 72/36=2 Moving to Node #0,1 Current State: 12:[38, 24, 2], Operations: ['72/36=2'] Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 12:[2, 14] Operation: 38-24=14 Moving to Node #0,1,1 Current State: 12:[2, 14], Operations: ['72/36=2', '38-24=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 56, 14, 30, 22 ]
34
[ "56-14=42", "30-22=8", "42-8=34" ]
Current State: 34:[56, 14, 30, 22], Operations: [] Exploring Operation: 56-14=42, Resulting Numbers: [30, 22, 42] Generated Node #2: [30, 22, 42] from Operation: 56-14=42 Current State: 34:[30, 22, 42], Operations: ['56-14=42'] Exploring Operation: 30-22=8, Resulting Numbers: [42, 8] Generated Node #3: [42, 8] from Operation: 30-22=8 Current State: 34:[42, 8], Operations: ['56-14=42', '30-22=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[56, 14, 30, 22], Operations: [] Exploring Operation: 56-22=34, Resulting Numbers: [14, 30, 34] Generated Node #0,0: 34:[14, 30, 34] Operation: 56-22=34 Moving to Node #0,0 Current State: 34:[14, 30, 34], Operations: ['56-22=34'] Exploring Operation: 30-14=16, Resulting Numbers: [34, 16] Generated Node #0,0,0: 34:[34, 16] Operation: 30-14=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[34, 16], Operations: ['56-22=34', '30-14=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 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
[ 51, 6, 6, 52 ]
30
[ "51+6=57", "57-52=5", "6*5=30" ]
Current State: 30:[51, 6, 6, 52], Operations: [] Exploring Operation: 51+6=57, Resulting Numbers: [52, 57] Generated Node #2: [52, 57] from Operation: 51+6=57 Current State: 30:[52, 57], Operations: ['51+6=57'] Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,30 equal: Goal Reached Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[51, 6, 6, 52], Operations: [] Exploring Operation: 52-51=1, Resulting Numbers: [6, 6, 1] Generated Node #0,0: 30:[6, 6, 1] Operation: 52-51=1 Exploring Operation: 52-6=46, Resulting Numbers: [51, 6, 46] Generated Node #0,1: 30:[51, 6, 46] Operation: 52-6=46 Exploring Operation: 51-6=45, Resulting Numbers: [6, 52, 45] Generated Node #0,2: 30:[6, 52, 45] Operation: 51-6=45 Exploring Operation: 51-6=45, Resulting Numbers: [6, 52, 45] Generated Node #0,3: 30:[6, 52, 45] Operation: 51-6=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[6, 6, 1], Operations: ['52-51=1'] Exploring Operation: 6-1=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 30:[6, 5] Operation: 6-1=5 Exploring Operation: 6*1=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 30:[6, 6] Operation: 6*1=6 Exploring Operation: 6/1=6, Resulting Numbers: [6, 6] Generated Node #0,0,2: 30:[6, 6] Operation: 6/1=6 Exploring Operation: 6*1=6, Resulting Numbers: [6, 6] Generated Node #0,0,3: 30:[6, 6] Operation: 6*1=6 Moving to Node #0,0,0 Current State: 30:[6, 5], Operations: ['52-51=1', '6-1=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[51, 6, 6, 52], Operations: [] Exploring Operation: 52-51=1, Resulting Numbers: [6, 6, 1] Generated Node #0,0: 30:[6, 6, 1] Operation: 52-51=1 Moving to Node #0,0 Current State: 30:[6, 6, 1], Operations: ['52-51=1'] Exploring Operation: 6-1=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 30:[6, 5] Operation: 6-1=5 Moving to Node #0,0,0 Current State: 30:[6, 5], Operations: ['52-51=1', '6-1=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 71, 8, 19, 21 ]
22
[ "71-8=63", "63/21=3", "19+3=22" ]
Current State: 22:[71, 8, 19, 21], Operations: [] Exploring Operation: 71-8=63, Resulting Numbers: [19, 21, 63] Generated Node #2: [19, 21, 63] from Operation: 71-8=63 Current State: 22:[19, 21, 63], Operations: ['71-8=63'] Exploring Operation: 63/21=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 63/21=3 Current State: 22:[19, 3], Operations: ['71-8=63', '63/21=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[71, 8, 19, 21], Operations: [] Exploring Operation: 71-19=52, Resulting Numbers: [8, 21, 52] Generated Node #0,0: 22:[8, 21, 52] Operation: 71-19=52 Exploring Operation: 19-8=11, Resulting Numbers: [71, 21, 11] Generated Node #0,1: 22:[71, 21, 11] Operation: 19-8=11 Exploring Operation: 71-21=50, Resulting Numbers: [8, 19, 50] Generated Node #0,2: 22:[8, 19, 50] Operation: 71-21=50 Exploring Operation: 71-8=63, Resulting Numbers: [19, 21, 63] Generated Node #0,3: 22:[19, 21, 63] Operation: 71-8=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[8, 21, 52], Operations: ['71-19=52'] Exploring Operation: 52-8=44, Resulting Numbers: [21, 44] Generated Node #0,0,0: 22:[21, 44] Operation: 52-8=44 Exploring Operation: 52-21=31, Resulting Numbers: [8, 31] Generated Node #0,0,1: 22:[8, 31] Operation: 52-21=31 Exploring Operation: 21-8=13, Resulting Numbers: [52, 13] Generated Node #0,0,2: 22:[52, 13] Operation: 21-8=13 Exploring Operation: 8+21=29, Resulting Numbers: [52, 29] Generated Node #0,0,3: 22:[52, 29] Operation: 8+21=29 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[8, 31], Operations: ['71-19=52', '52-21=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,22 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,22 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,22 unequal: No Solution No 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: 22:[21, 44], Operations: ['71-19=52', '52-8=44'] Exploring Operation: 21*44=924, Resulting Numbers: [924] 924,22 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,22 unequal: No Solution No 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: 22:[52, 13], Operations: ['71-19=52', '21-8=13'] Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,22 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,22 unequal: No Solution Exploring Operation: 52*13=676, Resulting Numbers: [676] 676,22 unequal: No Solution No 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: 22:[52, 29], Operations: ['71-19=52', '8+21=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,22 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: 22:[8, 19, 50], Operations: ['71-21=50'] Exploring Operation: 19-8=11, Resulting Numbers: [50, 11] Generated Node #0,2,0: 22:[50, 11] Operation: 19-8=11 Exploring Operation: 50-19=31, Resulting Numbers: [8, 31] Generated Node #0,2,1: 22:[8, 31] Operation: 50-19=31 Exploring Operation: 8+19=27, Resulting Numbers: [50, 27] Generated Node #0,2,2: 22:[50, 27] Operation: 8+19=27 Exploring Operation: 50-8=42, Resulting Numbers: [19, 42] Generated Node #0,2,3: 22:[19, 42] Operation: 50-8=42 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 22:[8, 31], Operations: ['71-21=50', '50-19=31'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,22 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,22 unequal: No Solution No 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: 22:[19, 42], Operations: ['71-21=50', '50-8=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,22 unequal: No Solution Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,22 unequal: No Solution No 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: 22:[50, 11], Operations: ['71-21=50', '19-8=11'] Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,22 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,22 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,22 unequal: No Solution No 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: 22:[50, 27], Operations: ['71-21=50', '8+19=27'] Exploring Operation: 50*27=1350, Resulting Numbers: [1350] 1350,22 unequal: No Solution Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 50+27=77, Resulting Numbers: [77] 77,22 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: 22:[19, 21, 63], Operations: ['71-8=63'] Exploring Operation: 21-19=2, Resulting Numbers: [63, 2] Generated Node #0,3,0: 22:[63, 2] Operation: 21-19=2 Exploring Operation: 63-21=42, Resulting Numbers: [19, 42] Generated Node #0,3,1: 22:[19, 42] Operation: 63-21=42 Exploring Operation: 63/21=3, Resulting Numbers: [19, 3] Generated Node #0,3,2: 22:[19, 3] Operation: 63/21=3 Exploring Operation: 63-19=44, Resulting Numbers: [21, 44] Generated Node #0,3,3: 22:[21, 44] Operation: 63-19=44 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 22:[19, 3], Operations: ['71-8=63', '63/21=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[71, 8, 19, 21], Operations: [] Exploring Operation: 71-8=63, Resulting Numbers: [19, 21, 63] Generated Node #0,3: 22:[19, 21, 63] Operation: 71-8=63 Moving to Node #0,3 Current State: 22:[19, 21, 63], Operations: ['71-8=63'] Exploring Operation: 63/21=3, Resulting Numbers: [19, 3] Generated Node #0,3,2: 22:[19, 3] Operation: 63/21=3 Moving to Node #0,3,2 Current State: 22:[19, 3], Operations: ['71-8=63', '63/21=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_4
sum_heuristic
[ 36, 7, 96, 98 ]
25
[ "98-96=2", "36/2=18", "7+18=25" ]
Current State: 25:[36, 7, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [36, 7, 2] Generated Node #2: [36, 7, 2] from Operation: 98-96=2 Current State: 25:[36, 7, 2], Operations: ['98-96=2'] Exploring Operation: 36/2=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 36/2=18 Current State: 25:[7, 18], Operations: ['98-96=2', '36/2=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[36, 7, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [36, 7, 2] Generated Node #0,0: 25:[36, 7, 2] Operation: 98-96=2 Exploring Operation: 98/7=14, Resulting Numbers: [36, 96, 14] Generated Node #0,1: 25:[36, 96, 14] Operation: 98/7=14 Moving to Node #0,0 Current State: 25:[36, 7, 2], Operations: ['98-96=2'] Exploring Operation: 36/2=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 25:[7, 18] Operation: 36/2=18 Exploring Operation: 36-7=29, Resulting Numbers: [2, 29] Generated Node #0,0,1: 25:[2, 29] Operation: 36-7=29 Moving to Node #0,1 Current State: 25:[36, 96, 14], Operations: ['98/7=14'] Exploring Operation: 96-36=60, Resulting Numbers: [14, 60] Generated Node #0,1,0: 25:[14, 60] Operation: 96-36=60 Exploring Operation: 96-14=82, Resulting Numbers: [36, 82] Generated Node #0,1,1: 25:[36, 82] Operation: 96-14=82 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[14, 60], Operations: ['98/7=14', '96-36=60'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[36, 82], Operations: ['98/7=14', '96-14=82'] Exploring Operation: 36+82=118, Resulting Numbers: [118] 118,25 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,25 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: 25:[2, 29], Operations: ['98-96=2', '36-7=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[7, 18], Operations: ['98-96=2', '36/2=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[36, 7, 96, 98], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [36, 7, 2] Generated Node #0,0: 25:[36, 7, 2] Operation: 98-96=2 Moving to Node #0,0 Current State: 25:[36, 7, 2], Operations: ['98-96=2'] Exploring Operation: 36/2=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 25:[7, 18] Operation: 36/2=18 Moving to Node #0,0,0 Current State: 25:[7, 18], Operations: ['98-96=2', '36/2=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.984375
hs_2
sum_heuristic