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
[ 66, 82, 31, 60 ]
28
[ "82-60=22", "66/22=3", "31-3=28" ]
Current State: 28:[66, 82, 31, 60], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [66, 31, 22] Generated Node #2: [66, 31, 22] from Operation: 82-60=22 Current State: 28:[66, 31, 22], Operations: ['82-60=22'] Exploring Operation: 66/22=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 66/22=3 Current State: 28:[31, 3], Operations: ['82-60=22', '66/22=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[66, 82, 31, 60], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [66, 31, 22] Generated Node #0,0: 28:[66, 31, 22] Operation: 82-60=22 Exploring Operation: 82-66=16, Resulting Numbers: [31, 60, 16] Generated Node #0,1: 28:[31, 60, 16] Operation: 82-66=16 Moving to Node #0,1 Current State: 28:[31, 60, 16], Operations: ['82-66=16'] Exploring Operation: 60-31=29, Resulting Numbers: [16, 29] Generated Node #0,1,0: 28:[16, 29] Operation: 60-31=29 Exploring Operation: 60-16=44, Resulting Numbers: [31, 44] Generated Node #0,1,1: 28:[31, 44] Operation: 60-16=44 Moving to Node #0,0 Current State: 28:[66, 31, 22], Operations: ['82-60=22'] Exploring Operation: 66-31=35, Resulting Numbers: [22, 35] Generated Node #0,0,0: 28:[22, 35] Operation: 66-31=35 Exploring Operation: 66/22=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 28:[31, 3] Operation: 66/22=3 Moving to Node #0,1,0 Current State: 28:[16, 29], Operations: ['82-66=16', '60-31=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,28 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[31, 3], Operations: ['82-60=22', '66/22=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,28 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[66, 82, 31, 60], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [66, 31, 22] Generated Node #0,0: 28:[66, 31, 22] Operation: 82-60=22 Moving to Node #0,0 Current State: 28:[66, 31, 22], Operations: ['82-60=22'] Exploring Operation: 66/22=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 28:[31, 3] Operation: 66/22=3 Moving to Node #0,0,1 Current State: 28:[31, 3], Operations: ['82-60=22', '66/22=3'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.987847
hs_2
sum_heuristic
[ 4, 23, 83, 33 ]
43
[ "33-23=10", "4*10=40", "83-40=43" ]
Current State: 43:[4, 23, 83, 33], Operations: [] Exploring Operation: 33-23=10, Resulting Numbers: [4, 83, 10] Generated Node #2: [4, 83, 10] from Operation: 33-23=10 Current State: 43:[4, 83, 10], Operations: ['33-23=10'] Exploring Operation: 4*10=40, Resulting Numbers: [83, 40] Generated Node #3: [83, 40] from Operation: 4*10=40 Current State: 43:[83, 40], Operations: ['33-23=10', '4*10=40'] Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[4, 23, 83, 33], Operations: [] Exploring Operation: 83-4=79, Resulting Numbers: [23, 33, 79] Generated Node #0,0: 43:[23, 33, 79] Operation: 83-4=79 Exploring Operation: 83-23=60, Resulting Numbers: [4, 33, 60] Generated Node #0,1: 43:[4, 33, 60] Operation: 83-23=60 Exploring Operation: 4+23=27, Resulting Numbers: [83, 33, 27] Generated Node #0,2: 43:[83, 33, 27] Operation: 4+23=27 Exploring Operation: 4+33=37, Resulting Numbers: [23, 83, 37] Generated Node #0,3: 43:[23, 83, 37] Operation: 4+33=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[23, 33, 79], Operations: ['83-4=79'] Exploring Operation: 23+33=56, Resulting Numbers: [79, 56] Generated Node #0,0,0: 43:[79, 56] Operation: 23+33=56 Exploring Operation: 33-23=10, Resulting Numbers: [79, 10] Generated Node #0,0,1: 43:[79, 10] Operation: 33-23=10 Exploring Operation: 79-33=46, Resulting Numbers: [23, 46] Generated Node #0,0,2: 43:[23, 46] Operation: 79-33=46 Exploring Operation: 79-23=56, Resulting Numbers: [33, 56] Generated Node #0,0,3: 43:[33, 56] Operation: 79-23=56 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[23, 46], Operations: ['83-4=79', '79-33=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,43 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[33, 56], Operations: ['83-4=79', '79-23=56'] Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,43 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[79, 56], Operations: ['83-4=79', '23+33=56'] Exploring Operation: 79+56=135, Resulting Numbers: [135] 135,43 unequal: No Solution Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 79*56=4424, Resulting Numbers: [4424] 4424,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[79, 10], Operations: ['83-4=79', '33-23=10'] Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 79-10=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 79*10=790, Resulting Numbers: [790] 790,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[4, 33, 60], Operations: ['83-23=60'] Exploring Operation: 60-4=56, Resulting Numbers: [33, 56] Generated Node #0,1,0: 43:[33, 56] Operation: 60-4=56 Exploring Operation: 4+33=37, Resulting Numbers: [60, 37] Generated Node #0,1,1: 43:[60, 37] Operation: 4+33=37 Exploring Operation: 33-4=29, Resulting Numbers: [60, 29] Generated Node #0,1,2: 43:[60, 29] Operation: 33-4=29 Exploring Operation: 4+60=64, Resulting Numbers: [33, 64] Generated Node #0,1,3: 43:[33, 64] Operation: 4+60=64 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[33, 56], Operations: ['83-23=60', '60-4=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[60, 37], Operations: ['83-23=60', '4+33=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,43 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,43 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[60, 29], Operations: ['83-23=60', '33-4=29'] Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 60*29=1740, Resulting Numbers: [1740] 1740,43 unequal: No Solution Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[33, 64], Operations: ['83-23=60', '4+60=64'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,43 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,43 unequal: No Solution Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[83, 33, 27], Operations: ['4+23=27'] Exploring Operation: 33+27=60, Resulting Numbers: [83, 60] Generated Node #0,2,0: 43:[83, 60] Operation: 33+27=60 Exploring Operation: 83-27=56, Resulting Numbers: [33, 56] Generated Node #0,2,1: 43:[33, 56] Operation: 83-27=56 Exploring Operation: 83+27=110, Resulting Numbers: [33, 110] Generated Node #0,2,2: 43:[33, 110] Operation: 83+27=110 Exploring Operation: 83-33=50, Resulting Numbers: [27, 50] Generated Node #0,2,3: 43:[27, 50] Operation: 83-33=50 Moving to Node #0,2,1 Current State: 43:[33, 56], Operations: ['4+23=27', '83-27=56'] Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 33*56=1848, Resulting Numbers: [1848] 1848,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[27, 50], Operations: ['4+23=27', '83-33=50'] Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[83, 60], Operations: ['4+23=27', '33+27=60'] Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,43 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[33, 110], Operations: ['4+23=27', '83+27=110'] Exploring Operation: 33*110=3630, Resulting Numbers: [3630] 3630,43 unequal: No Solution Exploring Operation: 110-33=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 33+110=143, Resulting Numbers: [143] 143,43 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 Current State: 43:[23, 83, 37], Operations: ['4+33=37'] Exploring Operation: 83-23=60, Resulting Numbers: [37, 60] Generated Node #0,3,0: 43:[37, 60] Operation: 83-23=60 Exploring Operation: 23+37=60, Resulting Numbers: [83, 60] Generated Node #0,3,1: 43:[83, 60] Operation: 23+37=60 Exploring Operation: 83-37=46, Resulting Numbers: [23, 46] Generated Node #0,3,2: 43:[23, 46] Operation: 83-37=46 Exploring Operation: 23+83=106, Resulting Numbers: [37, 106] Generated Node #0,3,3: 43:[37, 106] Operation: 23+83=106 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[37, 60], Operations: ['4+33=37', '83-23=60'] Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 37*60=2220, Resulting Numbers: [2220] 2220,43 unequal: No Solution Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[23, 46], Operations: ['4+33=37', '83-37=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,43 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[83, 60], Operations: ['4+33=37', '23+37=60'] Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,43 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[37, 106], Operations: ['4+33=37', '23+83=106'] Exploring Operation: 37+106=143, Resulting Numbers: [143] 143,43 unequal: No Solution Exploring Operation: 37*106=3922, Resulting Numbers: [3922] 3922,43 unequal: No Solution Exploring Operation: 106-37=69, Resulting Numbers: [69] 69,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 59, 33, 67, 89 ]
64
[ "59+33=92", "67+89=156", "156-92=64" ]
Current State: 64:[59, 33, 67, 89], Operations: [] Exploring Operation: 59+33=92, Resulting Numbers: [67, 89, 92] Generated Node #2: [67, 89, 92] from Operation: 59+33=92 Current State: 64:[67, 89, 92], Operations: ['59+33=92'] Exploring Operation: 67+89=156, Resulting Numbers: [92, 156] Generated Node #3: [92, 156] from Operation: 67+89=156 Current State: 64:[92, 156], Operations: ['59+33=92', '67+89=156'] Exploring Operation: 156-92=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[59, 33, 67, 89], Operations: [] Exploring Operation: 89-33=56, Resulting Numbers: [59, 67, 56] Generated Node #0,0: 64:[59, 67, 56] Operation: 89-33=56 Exploring Operation: 89-67=22, Resulting Numbers: [59, 33, 22] Generated Node #0,1: 64:[59, 33, 22] Operation: 89-67=22 Exploring Operation: 89-59=30, Resulting Numbers: [33, 67, 30] Generated Node #0,2: 64:[33, 67, 30] Operation: 89-59=30 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[33, 67, 30], Operations: ['89-59=30'] Exploring Operation: 67-33=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 64:[30, 34] Operation: 67-33=34 Exploring Operation: 33+30=63, Resulting Numbers: [67, 63] Generated Node #0,2,1: 64:[67, 63] Operation: 33+30=63 Exploring Operation: 33-30=3, Resulting Numbers: [67, 3] Generated Node #0,2,2: 64:[67, 3] Operation: 33-30=3 Moving to Node #0,2,0 Current State: 64:[30, 34], Operations: ['89-59=30', '67-33=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[59, 33, 67, 89], Operations: [] Exploring Operation: 89-59=30, Resulting Numbers: [33, 67, 30] Generated Node #0,2: 64:[33, 67, 30] Operation: 89-59=30 Moving to Node #0,2 Current State: 64:[33, 67, 30], Operations: ['89-59=30'] Exploring Operation: 67-33=34, Resulting Numbers: [30, 34] Generated Node #0,2,0: 64:[30, 34] Operation: 67-33=34 Moving to Node #0,2,0 Current State: 64:[30, 34], Operations: ['89-59=30', '67-33=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 58, 39, 20, 62 ]
64
[ "58+20=78", "78/39=2", "62+2=64" ]
Current State: 64:[58, 39, 20, 62], Operations: [] Exploring Operation: 58+20=78, Resulting Numbers: [39, 62, 78] Generated Node #2: [39, 62, 78] from Operation: 58+20=78 Current State: 64:[39, 62, 78], Operations: ['58+20=78'] Exploring Operation: 78/39=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 78/39=2 Current State: 64:[62, 2], Operations: ['58+20=78', '78/39=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[58, 39, 20, 62], Operations: [] Exploring Operation: 58-39=19, Resulting Numbers: [20, 62, 19] Generated Node #0,0: 64:[20, 62, 19] Operation: 58-39=19 Exploring Operation: 39-20=19, Resulting Numbers: [58, 62, 19] Generated Node #0,1: 64:[58, 62, 19] Operation: 39-20=19 Exploring Operation: 39+20=59, Resulting Numbers: [58, 62, 59] Generated Node #0,2: 64:[58, 62, 59] Operation: 39+20=59 Exploring Operation: 62-58=4, Resulting Numbers: [39, 20, 4] Generated Node #0,3: 64:[39, 20, 4] Operation: 62-58=4 Exploring Operation: 58-20=38, Resulting Numbers: [39, 62, 38] Generated Node #0,4: 64:[39, 62, 38] Operation: 58-20=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[20, 62, 19], Operations: ['58-39=19'] Exploring Operation: 20+62=82, Resulting Numbers: [19, 82] Generated Node #0,0,0: 64:[19, 82] Operation: 20+62=82 Exploring Operation: 62-20=42, Resulting Numbers: [19, 42] Generated Node #0,0,1: 64:[19, 42] Operation: 62-20=42 Exploring Operation: 62-19=43, Resulting Numbers: [20, 43] Generated Node #0,0,2: 64:[20, 43] Operation: 62-19=43 Exploring Operation: 20+19=39, Resulting Numbers: [62, 39] Generated Node #0,0,3: 64:[62, 39] Operation: 20+19=39 Exploring Operation: 20-19=1, Resulting Numbers: [62, 1] Generated Node #0,0,4: 64:[62, 1] Operation: 20-19=1 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 64:[62, 1], Operations: ['58-39=19', '20-19=1'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,64 unequal: No Solution No 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: 64:[62, 39], Operations: ['58-39=19', '20+19=39'] Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,64 unequal: No Solution Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,64 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,64 unequal: No Solution No 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: 64:[19, 42], Operations: ['58-39=19', '62-20=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,64 unequal: No Solution Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,64 unequal: No Solution No 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: 64:[20, 43], Operations: ['58-39=19', '62-19=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,64 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,64 unequal: No Solution No 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: 64:[19, 82], Operations: ['58-39=19', '20+62=82'] Exploring Operation: 19+82=101, Resulting Numbers: [101] 101,64 unequal: No Solution Exploring Operation: 82-19=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 19*82=1558, Resulting Numbers: [1558] 1558,64 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[58, 62, 19], Operations: ['39-20=19'] Exploring Operation: 58+19=77, Resulting Numbers: [62, 77] Generated Node #0,1,0: 64:[62, 77] Operation: 58+19=77 Exploring Operation: 62+19=81, Resulting Numbers: [58, 81] Generated Node #0,1,1: 64:[58, 81] Operation: 62+19=81 Exploring Operation: 62-19=43, Resulting Numbers: [58, 43] Generated Node #0,1,2: 64:[58, 43] Operation: 62-19=43 Exploring Operation: 58-19=39, Resulting Numbers: [62, 39] Generated Node #0,1,3: 64:[62, 39] Operation: 58-19=39 Exploring Operation: 62-58=4, Resulting Numbers: [19, 4] Generated Node #0,1,4: 64:[19, 4] Operation: 62-58=4 Moving to Node #0,1,4 Current State: 64:[19, 4], Operations: ['39-20=19', '62-58=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[62, 39], Operations: ['39-20=19', '58-19=39'] Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,64 unequal: No Solution Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[62, 77], Operations: ['39-20=19', '58+19=77'] Exploring Operation: 62+77=139, Resulting Numbers: [139] 139,64 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 62*77=4774, Resulting Numbers: [4774] 4774,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[58, 43], Operations: ['39-20=19', '62-19=43'] Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,64 unequal: No Solution Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[58, 81], Operations: ['39-20=19', '62+19=81'] Exploring Operation: 58*81=4698, Resulting Numbers: [4698] 4698,64 unequal: No Solution Exploring Operation: 58+81=139, Resulting Numbers: [139] 139,64 unequal: No Solution Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[39, 20, 4], Operations: ['62-58=4'] Exploring Operation: 39-4=35, Resulting Numbers: [20, 35] Generated Node #0,3,0: 64:[20, 35] Operation: 39-4=35 Exploring Operation: 39+20=59, Resulting Numbers: [4, 59] Generated Node #0,3,1: 64:[4, 59] Operation: 39+20=59 Exploring Operation: 20-4=16, Resulting Numbers: [39, 16] Generated Node #0,3,2: 64:[39, 16] Operation: 20-4=16 Exploring Operation: 39-20=19, Resulting Numbers: [4, 19] Generated Node #0,3,3: 64:[4, 19] Operation: 39-20=19 Exploring Operation: 20/4=5, Resulting Numbers: [39, 5] Generated Node #0,3,4: 64:[39, 5] Operation: 20/4=5 Moving to Node #0,3,3 Current State: 64:[4, 19], Operations: ['62-58=4', '39-20=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[4, 59], Operations: ['62-58=4', '39+20=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 4*59=236, Resulting Numbers: [236] 236,64 unequal: No Solution Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[20, 35], Operations: ['62-58=4', '39-4=35'] Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,64 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[39, 16], Operations: ['62-58=4', '20-4=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 39*16=624, Resulting Numbers: [624] 624,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[39, 5], Operations: ['62-58=4', '20/4=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,64 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[58, 62, 59], Operations: ['39+20=59'] Exploring Operation: 62-58=4, Resulting Numbers: [59, 4] Generated Node #0,2,0: 64:[59, 4] Operation: 62-58=4 Exploring Operation: 59-58=1, Resulting Numbers: [62, 1] Generated Node #0,2,1: 64:[62, 1] Operation: 59-58=1 Exploring Operation: 58+62=120, Resulting Numbers: [59, 120] Generated Node #0,2,2: 64:[59, 120] Operation: 58+62=120 Exploring Operation: 62-59=3, Resulting Numbers: [58, 3] Generated Node #0,2,3: 64:[58, 3] Operation: 62-59=3 Exploring Operation: 58+59=117, Resulting Numbers: [62, 117] Generated Node #0,2,4: 64:[62, 117] Operation: 58+59=117 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[62, 1], Operations: ['39+20=59', '59-58=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,64 unequal: No Solution No 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: 64:[59, 4], Operations: ['39+20=59', '62-58=4'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,64 unequal: No Solution No 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: 64:[58, 3], Operations: ['39+20=59', '62-59=3'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,64 unequal: No Solution No 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: 64:[62, 117], Operations: ['39+20=59', '58+59=117'] Exploring Operation: 117-62=55, Resulting Numbers: [55] 55,64 unequal: No Solution Exploring Operation: 62+117=179, Resulting Numbers: [179] 179,64 unequal: No Solution Exploring Operation: 62*117=7254, Resulting Numbers: [7254] 7254,64 unequal: No Solution No 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: 64:[59, 120], Operations: ['39+20=59', '58+62=120'] Exploring Operation: 59+120=179, Resulting Numbers: [179] 179,64 unequal: No Solution Exploring Operation: 59*120=7080, Resulting Numbers: [7080] 7080,64 unequal: No Solution Exploring Operation: 120-59=61, Resulting Numbers: [61] 61,64 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 Start Sub Search at level 1: Moving to Node #0,4 Current State: 64:[39, 62, 38], Operations: ['58-20=38'] Exploring Operation: 62-38=24, Resulting Numbers: [39, 24] Generated Node #0,4,0: 64:[39, 24] Operation: 62-38=24 Exploring Operation: 39+62=101, Resulting Numbers: [38, 101] Generated Node #0,4,1: 64:[38, 101] Operation: 39+62=101 Exploring Operation: 62-39=23, Resulting Numbers: [38, 23] Generated Node #0,4,2: 64:[38, 23] Operation: 62-39=23 Exploring Operation: 39+38=77, Resulting Numbers: [62, 77] Generated Node #0,4,3: 64:[62, 77] Operation: 39+38=77 Exploring Operation: 39-38=1, Resulting Numbers: [62, 1] Generated Node #0,4,4: 64:[62, 1] Operation: 39-38=1 Moving to Node #0,4,4 Current State: 64:[62, 1], Operations: ['58-20=38', '39-38=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,64 unequal: No Solution Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,64 unequal: No Solution Moving to Node #0,4,2 Current State: 64:[38, 23], Operations: ['58-20=38', '62-39=23'] Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,64 unequal: No Solution Moving to Node #0,4,0 Current State: 64:[39, 24], Operations: ['58-20=38', '62-38=24'] Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 39*24=936, Resulting Numbers: [936] 936,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[62, 77], Operations: ['58-20=38', '39+38=77'] Exploring Operation: 62*77=4774, Resulting Numbers: [4774] 4774,64 unequal: No Solution Exploring Operation: 62+77=139, Resulting Numbers: [139] 139,64 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[38, 101], Operations: ['58-20=38', '39+62=101'] Exploring Operation: 38*101=3838, Resulting Numbers: [3838] 3838,64 unequal: No Solution Exploring Operation: 101-38=63, Resulting Numbers: [63] 63,64 unequal: No Solution Exploring Operation: 38+101=139, Resulting Numbers: [139] 139,64 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
[ 56, 87, 47, 55 ]
80
[ "55-47=8", "56/8=7", "87-7=80" ]
Current State: 80:[56, 87, 47, 55], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [56, 87, 8] Generated Node #2: [56, 87, 8] from Operation: 55-47=8 Current State: 80:[56, 87, 8], Operations: ['55-47=8'] Exploring Operation: 56/8=7, Resulting Numbers: [87, 7] Generated Node #3: [87, 7] from Operation: 56/8=7 Current State: 80:[87, 7], Operations: ['55-47=8', '56/8=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[56, 87, 47, 55], Operations: [] Exploring Operation: 56-55=1, Resulting Numbers: [87, 47, 1] Generated Node #0,0: 80:[87, 47, 1] Operation: 56-55=1 Exploring Operation: 87-56=31, Resulting Numbers: [47, 55, 31] Generated Node #0,1: 80:[47, 55, 31] Operation: 87-56=31 Exploring Operation: 55-47=8, Resulting Numbers: [56, 87, 8] Generated Node #0,2: 80:[56, 87, 8] Operation: 55-47=8 Exploring Operation: 56-47=9, Resulting Numbers: [87, 55, 9] Generated Node #0,3: 80:[87, 55, 9] Operation: 56-47=9 Moving to Node #0,0 Current State: 80:[87, 47, 1], Operations: ['56-55=1'] Exploring Operation: 87-47=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 80:[1, 40] Operation: 87-47=40 Exploring Operation: 47-1=46, Resulting Numbers: [87, 46] Generated Node #0,0,1: 80:[87, 46] Operation: 47-1=46 Exploring Operation: 87-1=86, Resulting Numbers: [47, 86] Generated Node #0,0,2: 80:[47, 86] Operation: 87-1=86 Exploring Operation: 87*1=87, Resulting Numbers: [47, 87] Generated Node #0,0,3: 80:[47, 87] Operation: 87*1=87 Moving to Node #0,3 Current State: 80:[87, 55, 9], Operations: ['56-47=9'] Exploring Operation: 87-55=32, Resulting Numbers: [9, 32] Generated Node #0,3,0: 80:[9, 32] Operation: 87-55=32 Exploring Operation: 87-9=78, Resulting Numbers: [55, 78] Generated Node #0,3,1: 80:[55, 78] Operation: 87-9=78 Exploring Operation: 55-9=46, Resulting Numbers: [87, 46] Generated Node #0,3,2: 80:[87, 46] Operation: 55-9=46 Exploring Operation: 55+9=64, Resulting Numbers: [87, 64] Generated Node #0,3,3: 80:[87, 64] Operation: 55+9=64 Moving to Node #0,2 Current State: 80:[56, 87, 8], Operations: ['55-47=8'] Exploring Operation: 56-8=48, Resulting Numbers: [87, 48] Generated Node #0,2,0: 80:[87, 48] Operation: 56-8=48 Exploring Operation: 56/8=7, Resulting Numbers: [87, 7] Generated Node #0,2,1: 80:[87, 7] Operation: 56/8=7 Exploring Operation: 87-56=31, Resulting Numbers: [8, 31] Generated Node #0,2,2: 80:[8, 31] Operation: 87-56=31 Exploring Operation: 87-8=79, Resulting Numbers: [56, 79] Generated Node #0,2,3: 80:[56, 79] Operation: 87-8=79 Moving to Node #0,1 Current State: 80:[47, 55, 31], Operations: ['87-56=31'] Exploring Operation: 55+31=86, Resulting Numbers: [47, 86] Generated Node #0,1,0: 80:[47, 86] Operation: 55+31=86 Exploring Operation: 55-31=24, Resulting Numbers: [47, 24] Generated Node #0,1,1: 80:[47, 24] Operation: 55-31=24 Exploring Operation: 47-31=16, Resulting Numbers: [55, 16] Generated Node #0,1,2: 80:[55, 16] Operation: 47-31=16 Exploring Operation: 55-47=8, Resulting Numbers: [31, 8] Generated Node #0,1,3: 80:[31, 8] Operation: 55-47=8 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[31, 8], Operations: ['87-56=31', '55-47=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,80 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[47, 24], Operations: ['87-56=31', '55-31=24'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,80 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[47, 86], Operations: ['87-56=31', '55+31=86'] Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 47+86=133, Resulting Numbers: [133] 133,80 unequal: No Solution Exploring Operation: 47*86=4042, Resulting Numbers: [4042] 4042,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[55, 16], Operations: ['87-56=31', '47-31=16'] Exploring Operation: 55*16=880, Resulting Numbers: [880] 880,80 unequal: No Solution Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,80 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,80 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: 80:[1, 40], Operations: ['56-55=1', '87-47=40'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,80 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[87, 7], Operations: ['55-47=8', '56/8=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[56, 87, 47, 55], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [56, 87, 8] Generated Node #0,2: 80:[56, 87, 8] Operation: 55-47=8 Moving to Node #0,2 Current State: 80:[56, 87, 8], Operations: ['55-47=8'] Exploring Operation: 56/8=7, Resulting Numbers: [87, 7] Generated Node #0,2,1: 80:[87, 7] Operation: 56/8=7 Moving to Node #0,2,1 Current State: 80:[87, 7], Operations: ['55-47=8', '56/8=7'] Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.96441
hs_4
mult_heuristic
[ 84, 25, 40, 88 ]
50
[ "84-40=44", "25*88=2200", "2200/44=50" ]
Current State: 50:[84, 25, 40, 88], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [25, 88, 44] Generated Node #2: [25, 88, 44] from Operation: 84-40=44 Current State: 50:[25, 88, 44], Operations: ['84-40=44'] Exploring Operation: 25*88=2200, Resulting Numbers: [44, 2200] Generated Node #3: [44, 2200] from Operation: 25*88=2200 Current State: 50:[44, 2200], Operations: ['84-40=44', '25*88=2200'] Exploring Operation: 2200/44=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[84, 25, 40, 88], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [25, 88, 44] Generated Node #0,0: 50:[25, 88, 44] Operation: 84-40=44 Exploring Operation: 88-40=48, Resulting Numbers: [84, 25, 48] Generated Node #0,1: 50:[84, 25, 48] Operation: 88-40=48 Exploring Operation: 88-84=4, Resulting Numbers: [25, 40, 4] Generated Node #0,2: 50:[25, 40, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[25, 40, 4], Operations: ['88-84=4'] Exploring Operation: 40+4=44, Resulting Numbers: [25, 44] Generated Node #0,2,0: 50:[25, 44] Operation: 40+4=44 Exploring Operation: 40-25=15, Resulting Numbers: [4, 15] Generated Node #0,2,1: 50:[4, 15] Operation: 40-25=15 Exploring Operation: 40/4=10, Resulting Numbers: [25, 10] Generated Node #0,2,2: 50:[25, 10] Operation: 40/4=10 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 50:[25, 10], Operations: ['88-84=4', '40/4=10'] Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 50:[25, 44], Operations: ['88-84=4', '40+4=44'] Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,50 unequal: No Solution Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 50:[4, 15], Operations: ['88-84=4', '40-25=15'] Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[84, 25, 48], Operations: ['88-40=48'] Exploring Operation: 84-25=59, Resulting Numbers: [48, 59] Generated Node #0,1,0: 50:[48, 59] Operation: 84-25=59 Exploring Operation: 84-48=36, Resulting Numbers: [25, 36] Generated Node #0,1,1: 50:[25, 36] Operation: 84-48=36 Exploring Operation: 48-25=23, Resulting Numbers: [84, 23] Generated Node #0,1,2: 50:[84, 23] Operation: 48-25=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[48, 59], Operations: ['88-40=48', '84-25=59'] Exploring Operation: 59-48=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 48+59=107, Resulting Numbers: [107] 107,50 unequal: No Solution Exploring Operation: 48*59=2832, Resulting Numbers: [2832] 2832,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[25, 36], Operations: ['88-40=48', '84-48=36'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,50 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[84, 23], Operations: ['88-40=48', '48-25=23'] Exploring Operation: 84*23=1932, Resulting Numbers: [1932] 1932,50 unequal: No Solution Exploring Operation: 84+23=107, Resulting Numbers: [107] 107,50 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[25, 88, 44], Operations: ['84-40=44'] Exploring Operation: 88-44=44, Resulting Numbers: [25, 44] Generated Node #0,0,0: 50:[25, 44] Operation: 88-44=44 Exploring Operation: 88/44=2, Resulting Numbers: [25, 2] Generated Node #0,0,1: 50:[25, 2] Operation: 88/44=2 Exploring Operation: 88-25=63, Resulting Numbers: [44, 63] Generated Node #0,0,2: 50:[44, 63] Operation: 88-25=63 Moving to Node #0,0,1 Current State: 50:[25, 2], Operations: ['84-40=44', '88/44=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[84, 25, 40, 88], Operations: [] Exploring Operation: 84-40=44, Resulting Numbers: [25, 88, 44] Generated Node #0,0: 50:[25, 88, 44] Operation: 84-40=44 Moving to Node #0,0 Current State: 50:[25, 88, 44], Operations: ['84-40=44'] Exploring Operation: 88/44=2, Resulting Numbers: [25, 2] Generated Node #0,0,1: 50:[25, 2] Operation: 88/44=2 Moving to Node #0,0,1 Current State: 50:[25, 2], Operations: ['84-40=44', '88/44=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 39, 64, 81, 42 ]
20
[ "39+64=103", "81+42=123", "123-103=20" ]
Current State: 20:[39, 64, 81, 42], Operations: [] Exploring Operation: 39+64=103, Resulting Numbers: [81, 42, 103] Generated Node #2: [81, 42, 103] from Operation: 39+64=103 Current State: 20:[81, 42, 103], Operations: ['39+64=103'] Exploring Operation: 81+42=123, Resulting Numbers: [103, 123] Generated Node #3: [103, 123] from Operation: 81+42=123 Current State: 20:[103, 123], Operations: ['39+64=103', '81+42=123'] Exploring Operation: 123-103=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[39, 64, 81, 42], Operations: [] Exploring Operation: 64-42=22, Resulting Numbers: [39, 81, 22] Generated Node #0,0: 20:[39, 81, 22] Operation: 64-42=22 Exploring Operation: 81-64=17, Resulting Numbers: [39, 42, 17] Generated Node #0,1: 20:[39, 42, 17] Operation: 81-64=17 Exploring Operation: 81-42=39, Resulting Numbers: [39, 64, 39] Generated Node #0,2: 20:[39, 64, 39] Operation: 81-42=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[39, 42, 17], Operations: ['81-64=17'] Exploring Operation: 42-39=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 20:[17, 3] Operation: 42-39=3 Exploring Operation: 42-17=25, Resulting Numbers: [39, 25] Generated Node #0,1,1: 20:[39, 25] Operation: 42-17=25 Exploring Operation: 39-17=22, Resulting Numbers: [42, 22] Generated Node #0,1,2: 20:[42, 22] Operation: 39-17=22 Moving to Node #0,1,0 Current State: 20:[17, 3], Operations: ['81-64=17', '42-39=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[39, 64, 81, 42], Operations: [] Exploring Operation: 81-64=17, Resulting Numbers: [39, 42, 17] Generated Node #0,1: 20:[39, 42, 17] Operation: 81-64=17 Moving to Node #0,1 Current State: 20:[39, 42, 17], Operations: ['81-64=17'] Exploring Operation: 42-39=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 20:[17, 3] Operation: 42-39=3 Moving to Node #0,1,0 Current State: 20:[17, 3], Operations: ['81-64=17', '42-39=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 6, 35, 72, 5 ]
37
[ "6-5=1", "72-35=37", "1*37=37" ]
Current State: 37:[6, 35, 72, 5], Operations: [] Exploring Operation: 6-5=1, Resulting Numbers: [35, 72, 1] Generated Node #2: [35, 72, 1] from Operation: 6-5=1 Current State: 37:[35, 72, 1], Operations: ['6-5=1'] Exploring Operation: 72-35=37, Resulting Numbers: [1, 37] Generated Node #3: [1, 37] from Operation: 72-35=37 Current State: 37:[1, 37], Operations: ['6-5=1', '72-35=37'] Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[6, 35, 72, 5], Operations: [] Exploring Operation: 72/6=12, Resulting Numbers: [35, 5, 12] Generated Node #0,0: 37:[35, 5, 12] Operation: 72/6=12 Exploring Operation: 6*5=30, Resulting Numbers: [35, 72, 30] Generated Node #0,1: 37:[35, 72, 30] Operation: 6*5=30 Moving to Node #0,1 Current State: 37:[35, 72, 30], Operations: ['6*5=30'] Exploring Operation: 72-35=37, Resulting Numbers: [30, 37] Generated Node #0,1,0: 37:[30, 37] Operation: 72-35=37 Exploring Operation: 72-30=42, Resulting Numbers: [35, 42] Generated Node #0,1,1: 37:[35, 42] Operation: 72-30=42 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[30, 37], Operations: ['6*5=30', '72-35=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,37 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[35, 42], Operations: ['6*5=30', '72-30=42'] Exploring Operation: 35+42=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 37:[35, 5, 12], Operations: ['72/6=12'] Exploring Operation: 5*12=60, Resulting Numbers: [35, 60] Generated Node #0,0,0: 37:[35, 60] Operation: 5*12=60 Exploring Operation: 5+12=17, Resulting Numbers: [35, 17] Generated Node #0,0,1: 37:[35, 17] Operation: 5+12=17 Moving to Node #0,0,1 Current State: 37:[35, 17], Operations: ['72/6=12', '5+12=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[35, 60], Operations: ['72/6=12', '5*12=60'] Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,37 unequal: No Solution Exploring Operation: 35+60=95, Resulting Numbers: [95] 95,37 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 96, 99, 83, 81 ]
93
[ "83-81=2", "96*2=192", "192-99=93" ]
Current State: 93:[96, 99, 83, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [96, 99, 2] Generated Node #2: [96, 99, 2] from Operation: 83-81=2 Current State: 93:[96, 99, 2], Operations: ['83-81=2'] Exploring Operation: 96*2=192, Resulting Numbers: [99, 192] Generated Node #3: [99, 192] from Operation: 96*2=192 Current State: 93:[99, 192], Operations: ['83-81=2', '96*2=192'] Exploring Operation: 192-99=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[96, 99, 83, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [96, 99, 2] Generated Node #0,0: 93:[96, 99, 2] Operation: 83-81=2 Exploring Operation: 99-81=18, Resulting Numbers: [96, 83, 18] Generated Node #0,1: 93:[96, 83, 18] Operation: 99-81=18 Exploring Operation: 99-96=3, Resulting Numbers: [83, 81, 3] Generated Node #0,2: 93:[83, 81, 3] Operation: 99-96=3 Moving to Node #0,0 Current State: 93:[96, 99, 2], Operations: ['83-81=2'] Exploring Operation: 99-2=97, Resulting Numbers: [96, 97] Generated Node #0,0,0: 93:[96, 97] Operation: 99-2=97 Exploring Operation: 99-96=3, Resulting Numbers: [2, 3] Generated Node #0,0,1: 93:[2, 3] Operation: 99-96=3 Exploring Operation: 96-2=94, Resulting Numbers: [99, 94] Generated Node #0,0,2: 93:[99, 94] Operation: 96-2=94 Moving to Node #0,2 Current State: 93:[83, 81, 3], Operations: ['99-96=3'] Exploring Operation: 81/3=27, Resulting Numbers: [83, 27] Generated Node #0,2,0: 93:[83, 27] Operation: 81/3=27 Exploring Operation: 83+3=86, Resulting Numbers: [81, 86] Generated Node #0,2,1: 93:[81, 86] Operation: 83+3=86 Exploring Operation: 83-81=2, Resulting Numbers: [3, 2] Generated Node #0,2,2: 93:[3, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[3, 2], Operations: ['99-96=3', '83-81=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,93 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, 27], Operations: ['99-96=3', '81/3=27'] Exploring Operation: 83+27=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 83*27=2241, Resulting Numbers: [2241] 2241,93 unequal: No Solution Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,93 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 #0,2,1 Current State: 93:[81, 86], Operations: ['99-96=3', '83+3=86'] Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,93 unequal: No Solution Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[96, 83, 18], Operations: ['99-81=18'] Exploring Operation: 96-83=13, Resulting Numbers: [18, 13] Generated Node #0,1,0: 93:[18, 13] Operation: 96-83=13 Exploring Operation: 96-18=78, Resulting Numbers: [83, 78] Generated Node #0,1,1: 93:[83, 78] Operation: 96-18=78 Exploring Operation: 83+18=101, Resulting Numbers: [96, 101] Generated Node #0,1,2: 93:[96, 101] Operation: 83+18=101 Moving to Node #0,0,1 Current State: 93:[2, 3], Operations: ['83-81=2', '99-96=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[99, 94], Operations: ['83-81=2', '96-2=94'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 99*94=9306, Resulting Numbers: [9306] 9306,93 unequal: No Solution Exploring Operation: 99+94=193, Resulting Numbers: [193] 193,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[96, 97], Operations: ['83-81=2', '99-2=97'] Exploring Operation: 96*97=9312, Resulting Numbers: [9312] 9312,93 unequal: No Solution Exploring Operation: 96+97=193, Resulting Numbers: [193] 193,93 unequal: No Solution Exploring Operation: 97-96=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[96, 101], Operations: ['99-81=18', '83+18=101'] Exploring Operation: 96+101=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 101-96=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 96*101=9696, Resulting Numbers: [9696] 9696,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[18, 13], Operations: ['99-81=18', '96-83=13'] Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 18*13=234, Resulting Numbers: [234] 234,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[83, 78], Operations: ['99-81=18', '96-18=78'] Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,93 unequal: No Solution Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,93 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 62, 5, 72, 24 ]
13
[ "72/24=3", "62+3=65", "65/5=13" ]
Current State: 13:[62, 5, 72, 24], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [62, 5, 3] Generated Node #2: [62, 5, 3] from Operation: 72/24=3 Current State: 13:[62, 5, 3], Operations: ['72/24=3'] Exploring Operation: 62+3=65, Resulting Numbers: [5, 65] Generated Node #3: [5, 65] from Operation: 62+3=65 Current State: 13:[5, 65], Operations: ['72/24=3', '62+3=65'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[62, 5, 72, 24], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [5, 24, 10] Generated Node #0,0: 13:[5, 24, 10] Operation: 72-62=10 Exploring Operation: 72/24=3, Resulting Numbers: [62, 5, 3] Generated Node #0,1: 13:[62, 5, 3] Operation: 72/24=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[5, 24, 10], Operations: ['72-62=10'] Exploring Operation: 24-5=19, Resulting Numbers: [10, 19] Generated Node #0,0,0: 13:[10, 19] Operation: 24-5=19 Exploring Operation: 24-10=14, Resulting Numbers: [5, 14] Generated Node #0,0,1: 13:[5, 14] Operation: 24-10=14 Moving to Node #0,0,0 Current State: 13:[10, 19], Operations: ['72-62=10', '24-5=19'] Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[5, 14], Operations: ['72-62=10', '24-10=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[62, 5, 3], Operations: ['72/24=3'] Exploring Operation: 5*3=15, Resulting Numbers: [62, 15] Generated Node #0,1,0: 13:[62, 15] Operation: 5*3=15 Exploring Operation: 62-5=57, Resulting Numbers: [3, 57] Generated Node #0,1,1: 13:[3, 57] Operation: 62-5=57 Moving to Node #0,1,0 Current State: 13:[62, 15], Operations: ['72/24=3', '5*3=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,13 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[3, 57], Operations: ['72/24=3', '62-5=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,13 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
[ 34, 27, 98, 36 ]
44
[ "36-34=2", "27*2=54", "98-54=44" ]
Current State: 44:[34, 27, 98, 36], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [27, 98, 2] Generated Node #2: [27, 98, 2] from Operation: 36-34=2 Current State: 44:[27, 98, 2], Operations: ['36-34=2'] Exploring Operation: 27*2=54, Resulting Numbers: [98, 54] Generated Node #3: [98, 54] from Operation: 27*2=54 Current State: 44:[98, 54], Operations: ['36-34=2', '27*2=54'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[34, 27, 98, 36], Operations: [] Exploring Operation: 98-34=64, Resulting Numbers: [27, 36, 64] Generated Node #0,0: 44:[27, 36, 64] Operation: 98-34=64 Exploring Operation: 98-36=62, Resulting Numbers: [34, 27, 62] Generated Node #0,1: 44:[34, 27, 62] Operation: 98-36=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[27, 36, 64], Operations: ['98-34=64'] Exploring Operation: 64-36=28, Resulting Numbers: [27, 28] Generated Node #0,0,0: 44:[27, 28] Operation: 64-36=28 Exploring Operation: 64-27=37, Resulting Numbers: [36, 37] Generated Node #0,0,1: 44:[36, 37] Operation: 64-27=37 Moving to Node #0,0,0 Current State: 44:[27, 28], Operations: ['98-34=64', '64-36=28'] Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[36, 37], Operations: ['98-34=64', '64-27=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,44 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[34, 27, 62], Operations: ['98-36=62'] Exploring Operation: 62-34=28, Resulting Numbers: [27, 28] Generated Node #0,1,0: 44:[27, 28] Operation: 62-34=28 Exploring Operation: 62-27=35, Resulting Numbers: [34, 35] Generated Node #0,1,1: 44:[34, 35] Operation: 62-27=35 Moving to Node #0,1,0 Current State: 44:[27, 28], Operations: ['98-36=62', '62-34=28'] Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,44 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[34, 35], Operations: ['98-36=62', '62-27=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,44 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
[ 32, 90, 94, 18 ]
18
[ "90-32=58", "94-18=76", "76-58=18" ]
Current State: 18:[32, 90, 94, 18], Operations: [] Exploring Operation: 90-32=58, Resulting Numbers: [94, 18, 58] Generated Node #2: [94, 18, 58] from Operation: 90-32=58 Current State: 18:[94, 18, 58], Operations: ['90-32=58'] Exploring Operation: 94-18=76, Resulting Numbers: [58, 76] Generated Node #3: [58, 76] from Operation: 94-18=76 Current State: 18:[58, 76], Operations: ['90-32=58', '94-18=76'] Exploring Operation: 76-58=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[32, 90, 94, 18], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [32, 18, 4] Generated Node #0,0: 18:[32, 18, 4] Operation: 94-90=4 Moving to Node #0,0 Current State: 18:[32, 18, 4], Operations: ['94-90=4'] Exploring Operation: 32/4=8, Resulting Numbers: [18, 8] Generated Node #0,0,0: 18:[18, 8] Operation: 32/4=8 Moving to Node #0,0,0 Current State: 18:[18, 8], Operations: ['94-90=4', '32/4=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,18 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 18, 3, 82, 75 ]
28
[ "18+3=21", "82-75=7", "21+7=28" ]
Current State: 28:[18, 3, 82, 75], Operations: [] Exploring Operation: 18+3=21, Resulting Numbers: [82, 75, 21] Generated Node #2: [82, 75, 21] from Operation: 18+3=21 Current State: 28:[82, 75, 21], Operations: ['18+3=21'] Exploring Operation: 82-75=7, Resulting Numbers: [21, 7] Generated Node #3: [21, 7] from Operation: 82-75=7 Current State: 28:[21, 7], Operations: ['18+3=21', '82-75=7'] Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[18, 3, 82, 75], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [3, 82, 57] Generated Node #0,0: 28:[3, 82, 57] Operation: 75-18=57 Exploring Operation: 82-18=64, Resulting Numbers: [3, 75, 64] Generated Node #0,1: 28:[3, 75, 64] Operation: 82-18=64 Exploring Operation: 75/3=25, Resulting Numbers: [18, 82, 25] Generated Node #0,2: 28:[18, 82, 25] Operation: 75/3=25 Exploring Operation: 82-75=7, Resulting Numbers: [18, 3, 7] Generated Node #0,3: 28:[18, 3, 7] Operation: 82-75=7 Moving to Node #0,3 Current State: 28:[18, 3, 7], Operations: ['82-75=7'] Exploring Operation: 18+7=25, Resulting Numbers: [3, 25] Generated Node #0,3,0: 28:[3, 25] Operation: 18+7=25 Exploring Operation: 18/3=6, Resulting Numbers: [7, 6] Generated Node #0,3,1: 28:[7, 6] Operation: 18/3=6 Exploring Operation: 18-3=15, Resulting Numbers: [7, 15] Generated Node #0,3,2: 28:[7, 15] Operation: 18-3=15 Exploring Operation: 18-7=11, Resulting Numbers: [3, 11] Generated Node #0,3,3: 28:[3, 11] Operation: 18-7=11 Moving to Node #0,2 Current State: 28:[18, 82, 25], Operations: ['75/3=25'] Exploring Operation: 25-18=7, Resulting Numbers: [82, 7] Generated Node #0,2,0: 28:[82, 7] Operation: 25-18=7 Exploring Operation: 82-25=57, Resulting Numbers: [18, 57] Generated Node #0,2,1: 28:[18, 57] Operation: 82-25=57 Exploring Operation: 82-18=64, Resulting Numbers: [25, 64] Generated Node #0,2,2: 28:[25, 64] Operation: 82-18=64 Exploring Operation: 18+25=43, Resulting Numbers: [82, 43] Generated Node #0,2,3: 28:[82, 43] Operation: 18+25=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[18, 57], Operations: ['75/3=25', '82-25=57'] Exploring Operation: 18*57=1026, Resulting Numbers: [1026] 1026,28 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 18+57=75, Resulting Numbers: [75] 75,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[25, 64], Operations: ['75/3=25', '82-18=64'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,28 unequal: No Solution Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[82, 7], Operations: ['75/3=25', '25-18=7'] Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,28 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,28 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[82, 43], Operations: ['75/3=25', '18+25=43'] Exploring Operation: 82+43=125, Resulting Numbers: [125] 125,28 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 82*43=3526, Resulting Numbers: [3526] 3526,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[3, 75, 64], Operations: ['82-18=64'] Exploring Operation: 75-64=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 28:[3, 11] Operation: 75-64=11 Exploring Operation: 75-3=72, Resulting Numbers: [64, 72] Generated Node #0,1,1: 28:[64, 72] Operation: 75-3=72 Exploring Operation: 64-3=61, Resulting Numbers: [75, 61] Generated Node #0,1,2: 28:[75, 61] Operation: 64-3=61 Exploring Operation: 75/3=25, Resulting Numbers: [64, 25] Generated Node #0,1,3: 28:[64, 25] Operation: 75/3=25 Moving to Node #0,0 Current State: 28:[3, 82, 57], Operations: ['75-18=57'] Exploring Operation: 57-3=54, Resulting Numbers: [82, 54] Generated Node #0,0,0: 28:[82, 54] Operation: 57-3=54 Exploring Operation: 82-57=25, Resulting Numbers: [3, 25] Generated Node #0,0,1: 28:[3, 25] Operation: 82-57=25 Exploring Operation: 82-3=79, Resulting Numbers: [57, 79] Generated Node #0,0,2: 28:[57, 79] Operation: 82-3=79 Exploring Operation: 57/3=19, Resulting Numbers: [82, 19] Generated Node #0,0,3: 28:[82, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[3, 25], Operations: ['75-18=57', '82-57=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[18, 3, 82, 75], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [3, 82, 57] Generated Node #0,0: 28:[3, 82, 57] Operation: 75-18=57 Moving to Node #0,0 Current State: 28:[3, 82, 57], Operations: ['75-18=57'] Exploring Operation: 82-57=25, Resulting Numbers: [3, 25] Generated Node #0,0,1: 28:[3, 25] Operation: 82-57=25 Moving to Node #0,0,1 Current State: 28:[3, 25], Operations: ['75-18=57', '82-57=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 72, 50, 82, 18 ]
23
[ "82-72=10", "50/10=5", "18+5=23" ]
Current State: 23:[72, 50, 82, 18], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [50, 18, 10] Generated Node #2: [50, 18, 10] from Operation: 82-72=10 Current State: 23:[50, 18, 10], Operations: ['82-72=10'] Exploring Operation: 50/10=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 50/10=5 Current State: 23:[18, 5], Operations: ['82-72=10', '50/10=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[72, 50, 82, 18], Operations: [] Exploring Operation: 72-50=22, Resulting Numbers: [82, 18, 22] Generated Node #0,0: 23:[82, 18, 22] Operation: 72-50=22 Exploring Operation: 82-72=10, Resulting Numbers: [50, 18, 10] Generated Node #0,1: 23:[50, 18, 10] Operation: 82-72=10 Exploring Operation: 82-50=32, Resulting Numbers: [72, 18, 32] Generated Node #0,2: 23:[72, 18, 32] Operation: 82-50=32 Exploring Operation: 72/18=4, Resulting Numbers: [50, 82, 4] Generated Node #0,3: 23:[50, 82, 4] Operation: 72/18=4 Moving to Node #0,1 Current State: 23:[50, 18, 10], Operations: ['82-72=10'] Exploring Operation: 50-18=32, Resulting Numbers: [10, 32] Generated Node #0,1,0: 23:[10, 32] Operation: 50-18=32 Exploring Operation: 50-10=40, Resulting Numbers: [18, 40] Generated Node #0,1,1: 23:[18, 40] Operation: 50-10=40 Exploring Operation: 50/10=5, Resulting Numbers: [18, 5] Generated Node #0,1,2: 23:[18, 5] Operation: 50/10=5 Exploring Operation: 18+10=28, Resulting Numbers: [50, 28] Generated Node #0,1,3: 23:[50, 28] Operation: 18+10=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[10, 32], Operations: ['82-72=10', '50-18=32'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[18, 40], Operations: ['82-72=10', '50-10=40'] Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,23 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,23 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[18, 5], Operations: ['82-72=10', '50/10=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[72, 50, 82, 18], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [50, 18, 10] Generated Node #0,1: 23:[50, 18, 10] Operation: 82-72=10 Moving to Node #0,1 Current State: 23:[50, 18, 10], Operations: ['82-72=10'] Exploring Operation: 50/10=5, Resulting Numbers: [18, 5] Generated Node #0,1,2: 23:[18, 5] Operation: 50/10=5 Moving to Node #0,1,2 Current State: 23:[18, 5], Operations: ['82-72=10', '50/10=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 23, 77, 79, 45 ]
91
[ "79-77=2", "23*2=46", "45+46=91" ]
Current State: 91:[23, 77, 79, 45], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [23, 45, 2] Generated Node #2: [23, 45, 2] from Operation: 79-77=2 Current State: 91:[23, 45, 2], Operations: ['79-77=2'] Exploring Operation: 23*2=46, Resulting Numbers: [45, 46] Generated Node #3: [45, 46] from Operation: 23*2=46 Current State: 91:[45, 46], Operations: ['79-77=2', '23*2=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[23, 77, 79, 45], Operations: [] Exploring Operation: 45-23=22, Resulting Numbers: [77, 79, 22] Generated Node #0,0: 91:[77, 79, 22] Operation: 45-23=22 Exploring Operation: 77-45=32, Resulting Numbers: [23, 79, 32] Generated Node #0,1: 91:[23, 79, 32] Operation: 77-45=32 Moving to Node #0,0 Current State: 91:[77, 79, 22], Operations: ['45-23=22'] Exploring Operation: 79-77=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 91:[22, 2] Operation: 79-77=2 Exploring Operation: 77+22=99, Resulting Numbers: [79, 99] Generated Node #0,0,1: 91:[79, 99] Operation: 77+22=99 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[22, 2], Operations: ['45-23=22', '79-77=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[79, 99], Operations: ['45-23=22', '77+22=99'] Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 79+99=178, Resulting Numbers: [178] 178,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 91:[23, 79, 32], Operations: ['77-45=32'] Exploring Operation: 32-23=9, Resulting Numbers: [79, 9] Generated Node #0,1,0: 91:[79, 9] Operation: 32-23=9 Exploring Operation: 23+79=102, Resulting Numbers: [32, 102] Generated Node #0,1,1: 91:[32, 102] Operation: 23+79=102 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[79, 9], Operations: ['77-45=32', '32-23=9'] Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 79+9=88, Resulting Numbers: [88] 88,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[32, 102], Operations: ['77-45=32', '23+79=102'] Exploring Operation: 32+102=134, Resulting Numbers: [134] 134,91 unequal: No Solution Exploring Operation: 102-32=70, Resulting Numbers: [70] 70,91 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
[ 66, 57, 29, 12 ]
87
[ "66-57=9", "12-9=3", "29*3=87" ]
Current State: 87:[66, 57, 29, 12], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [29, 12, 9] Generated Node #2: [29, 12, 9] from Operation: 66-57=9 Current State: 87:[29, 12, 9], Operations: ['66-57=9'] Exploring Operation: 12-9=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 12-9=3 Current State: 87:[29, 3], Operations: ['66-57=9', '12-9=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[66, 57, 29, 12], Operations: [] Exploring Operation: 57+29=86, Resulting Numbers: [66, 12, 86] Generated Node #0,0: 87:[66, 12, 86] Operation: 57+29=86 Exploring Operation: 66-57=9, Resulting Numbers: [29, 12, 9] Generated Node #0,1: 87:[29, 12, 9] Operation: 66-57=9 Exploring Operation: 57-29=28, Resulting Numbers: [66, 12, 28] Generated Node #0,2: 87:[66, 12, 28] Operation: 57-29=28 Exploring Operation: 57-12=45, Resulting Numbers: [66, 29, 45] Generated Node #0,3: 87:[66, 29, 45] Operation: 57-12=45 Exploring Operation: 66+12=78, Resulting Numbers: [57, 29, 78] Generated Node #0,4: 87:[57, 29, 78] Operation: 66+12=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[29, 12, 9], Operations: ['66-57=9'] Exploring Operation: 12+9=21, Resulting Numbers: [29, 21] Generated Node #0,1,0: 87:[29, 21] Operation: 12+9=21 Exploring Operation: 29-12=17, Resulting Numbers: [9, 17] Generated Node #0,1,1: 87:[9, 17] Operation: 29-12=17 Exploring Operation: 29+9=38, Resulting Numbers: [12, 38] Generated Node #0,1,2: 87:[12, 38] Operation: 29+9=38 Exploring Operation: 29+12=41, Resulting Numbers: [9, 41] Generated Node #0,1,3: 87:[9, 41] Operation: 29+12=41 Exploring Operation: 12-9=3, Resulting Numbers: [29, 3] Generated Node #0,1,4: 87:[29, 3] Operation: 12-9=3 Moving to Node #0,1,4 Current State: 87:[29, 3], Operations: ['66-57=9', '12-9=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,87 unequal: No Solution Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[66, 57, 29, 12], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [29, 12, 9] Generated Node #0,1: 87:[29, 12, 9] Operation: 66-57=9 Moving to Node #0,1 Current State: 87:[29, 12, 9], Operations: ['66-57=9'] Exploring Operation: 12-9=3, Resulting Numbers: [29, 3] Generated Node #0,1,4: 87:[29, 3] Operation: 12-9=3 Moving to Node #0,1,4 Current State: 87:[29, 3], Operations: ['66-57=9', '12-9=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 69, 73, 57, 74 ]
12
[ "69-57=12", "74-73=1", "12*1=12" ]
Current State: 12:[69, 73, 57, 74], Operations: [] Exploring Operation: 69-57=12, Resulting Numbers: [73, 74, 12] Generated Node #2: [73, 74, 12] from Operation: 69-57=12 Current State: 12:[73, 74, 12], Operations: ['69-57=12'] Exploring Operation: 74-73=1, Resulting Numbers: [12, 1] Generated Node #3: [12, 1] from Operation: 74-73=1 Current State: 12:[12, 1], Operations: ['69-57=12', '74-73=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[69, 73, 57, 74], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [57, 74, 4] Generated Node #0,0: 12:[57, 74, 4] Operation: 73-69=4 Exploring Operation: 69-57=12, Resulting Numbers: [73, 74, 12] Generated Node #0,1: 12:[73, 74, 12] Operation: 69-57=12 Exploring Operation: 74-73=1, Resulting Numbers: [69, 57, 1] Generated Node #0,2: 12:[69, 57, 1] Operation: 74-73=1 Exploring Operation: 74-69=5, Resulting Numbers: [73, 57, 5] Generated Node #0,3: 12:[73, 57, 5] Operation: 74-69=5 Moving to Node #0,2 Current State: 12:[69, 57, 1], Operations: ['74-73=1'] Exploring Operation: 57-1=56, Resulting Numbers: [69, 56] Generated Node #0,2,0: 12:[69, 56] Operation: 57-1=56 Exploring Operation: 69*1=69, Resulting Numbers: [57, 69] Generated Node #0,2,1: 12:[57, 69] Operation: 69*1=69 Exploring Operation: 69-57=12, Resulting Numbers: [1, 12] Generated Node #0,2,2: 12:[1, 12] Operation: 69-57=12 Exploring Operation: 69-1=68, Resulting Numbers: [57, 68] Generated Node #0,2,3: 12:[57, 68] Operation: 69-1=68 Moving to Node #0,3 Current State: 12:[73, 57, 5], Operations: ['74-69=5'] Exploring Operation: 57-5=52, Resulting Numbers: [73, 52] Generated Node #0,3,0: 12:[73, 52] Operation: 57-5=52 Exploring Operation: 73+5=78, Resulting Numbers: [57, 78] Generated Node #0,3,1: 12:[57, 78] Operation: 73+5=78 Exploring Operation: 73-5=68, Resulting Numbers: [57, 68] Generated Node #0,3,2: 12:[57, 68] Operation: 73-5=68 Exploring Operation: 73-57=16, Resulting Numbers: [5, 16] Generated Node #0,3,3: 12:[5, 16] Operation: 73-57=16 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[5, 16], Operations: ['74-69=5', '73-57=16'] Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[73, 52], Operations: ['74-69=5', '57-5=52'] Exploring Operation: 73+52=125, Resulting Numbers: [125] 125,12 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 73*52=3796, Resulting Numbers: [3796] 3796,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[57, 68], Operations: ['74-69=5', '73-5=68'] Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,12 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[57, 78], Operations: ['74-69=5', '73+5=78'] Exploring Operation: 57+78=135, Resulting Numbers: [135] 135,12 unequal: No Solution Exploring Operation: 57*78=4446, Resulting Numbers: [4446] 4446,12 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 12:[57, 74, 4], Operations: ['73-69=4'] Exploring Operation: 74-4=70, Resulting Numbers: [57, 70] Generated Node #0,0,0: 12:[57, 70] Operation: 74-4=70 Exploring Operation: 57-4=53, Resulting Numbers: [74, 53] Generated Node #0,0,1: 12:[74, 53] Operation: 57-4=53 Exploring Operation: 57+4=61, Resulting Numbers: [74, 61] Generated Node #0,0,2: 12:[74, 61] Operation: 57+4=61 Exploring Operation: 74-57=17, Resulting Numbers: [4, 17] Generated Node #0,0,3: 12:[4, 17] Operation: 74-57=17 Moving to Node #0,1 Current State: 12:[73, 74, 12], Operations: ['69-57=12'] Exploring Operation: 74-73=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 12:[12, 1] Operation: 74-73=1 Exploring Operation: 74-12=62, Resulting Numbers: [73, 62] Generated Node #0,1,1: 12:[73, 62] Operation: 74-12=62 Exploring Operation: 73+74=147, Resulting Numbers: [12, 147] Generated Node #0,1,2: 12:[12, 147] Operation: 73+74=147 Exploring Operation: 73-12=61, Resulting Numbers: [74, 61] Generated Node #0,1,3: 12:[74, 61] Operation: 73-12=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[12, 1], Operations: ['69-57=12', '74-73=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[69, 73, 57, 74], Operations: [] Exploring Operation: 69-57=12, Resulting Numbers: [73, 74, 12] Generated Node #0,1: 12:[73, 74, 12] Operation: 69-57=12 Moving to Node #0,1 Current State: 12:[73, 74, 12], Operations: ['69-57=12'] Exploring Operation: 74-73=1, Resulting Numbers: [12, 1] Generated Node #0,1,0: 12:[12, 1] Operation: 74-73=1 Moving to Node #0,1,0 Current State: 12:[12, 1], Operations: ['69-57=12', '74-73=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 68, 24, 73, 43 ]
72
[ "68-24=44", "73+43=116", "116-44=72" ]
Current State: 72:[68, 24, 73, 43], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [73, 43, 44] Generated Node #2: [73, 43, 44] from Operation: 68-24=44 Current State: 72:[73, 43, 44], Operations: ['68-24=44'] Exploring Operation: 73+43=116, Resulting Numbers: [44, 116] Generated Node #3: [44, 116] from Operation: 73+43=116 Current State: 72:[44, 116], Operations: ['68-24=44', '73+43=116'] Exploring Operation: 116-44=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[68, 24, 73, 43], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [68, 24, 30] Generated Node #0,0: 72:[68, 24, 30] Operation: 73-43=30 Exploring Operation: 73-68=5, Resulting Numbers: [24, 43, 5] Generated Node #0,1: 72:[24, 43, 5] Operation: 73-68=5 Exploring Operation: 43-24=19, Resulting Numbers: [68, 73, 19] Generated Node #0,2: 72:[68, 73, 19] Operation: 43-24=19 Exploring Operation: 24+43=67, Resulting Numbers: [68, 73, 67] Generated Node #0,3: 72:[68, 73, 67] Operation: 24+43=67 Exploring Operation: 68-43=25, Resulting Numbers: [24, 73, 25] Generated Node #0,4: 72:[24, 73, 25] Operation: 68-43=25 Start Sub Search at level 1: Moving to Node #0,4 Current State: 72:[24, 73, 25], Operations: ['68-43=25'] Exploring Operation: 24+73=97, Resulting Numbers: [25, 97] Generated Node #0,4,0: 72:[25, 97] Operation: 24+73=97 Exploring Operation: 24+25=49, Resulting Numbers: [73, 49] Generated Node #0,4,1: 72:[73, 49] Operation: 24+25=49 Exploring Operation: 25-24=1, Resulting Numbers: [73, 1] Generated Node #0,4,2: 72:[73, 1] Operation: 25-24=1 Exploring Operation: 73-24=49, Resulting Numbers: [25, 49] Generated Node #0,4,3: 72:[25, 49] Operation: 73-24=49 Exploring Operation: 73-25=48, Resulting Numbers: [24, 48] Generated Node #0,4,4: 72:[24, 48] Operation: 73-25=48 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 72:[73, 1], Operations: ['68-43=25', '25-24=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[68, 24, 73, 43], Operations: [] Exploring Operation: 68-43=25, Resulting Numbers: [24, 73, 25] Generated Node #0,4: 72:[24, 73, 25] Operation: 68-43=25 Moving to Node #0,4 Current State: 72:[24, 73, 25], Operations: ['68-43=25'] Exploring Operation: 25-24=1, Resulting Numbers: [73, 1] Generated Node #0,4,2: 72:[73, 1] Operation: 25-24=1 Moving to Node #0,4,2 Current State: 72:[73, 1], Operations: ['68-43=25', '25-24=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 51, 99, 33, 10 ]
58
[ "51+10=61", "99/33=3", "61-3=58" ]
Current State: 58:[51, 99, 33, 10], Operations: [] Exploring Operation: 51+10=61, Resulting Numbers: [99, 33, 61] Generated Node #2: [99, 33, 61] from Operation: 51+10=61 Current State: 58:[99, 33, 61], Operations: ['51+10=61'] Exploring Operation: 99/33=3, Resulting Numbers: [61, 3] Generated Node #3: [61, 3] from Operation: 99/33=3 Current State: 58:[61, 3], Operations: ['51+10=61', '99/33=3'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[51, 99, 33, 10], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [33, 10, 48] Generated Node #0,0: 58:[33, 10, 48] Operation: 99-51=48 Exploring Operation: 99/33=3, Resulting Numbers: [51, 10, 3] Generated Node #0,1: 58:[51, 10, 3] Operation: 99/33=3 Moving to Node #0,1 Current State: 58:[51, 10, 3], Operations: ['99/33=3'] Exploring Operation: 10*3=30, Resulting Numbers: [51, 30] Generated Node #0,1,0: 58:[51, 30] Operation: 10*3=30 Exploring Operation: 51+10=61, Resulting Numbers: [3, 61] Generated Node #0,1,1: 58:[3, 61] Operation: 51+10=61 Moving to Node #0,0 Current State: 58:[33, 10, 48], Operations: ['99-51=48'] Exploring Operation: 10+48=58, Resulting Numbers: [33, 58] Generated Node #0,0,0: 58:[33, 58] Operation: 10+48=58 Exploring Operation: 48-10=38, Resulting Numbers: [33, 38] Generated Node #0,0,1: 58:[33, 38] Operation: 48-10=38 Moving to Node #0,1,1 Current State: 58:[3, 61], Operations: ['99/33=3', '51+10=61'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[51, 99, 33, 10], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [51, 10, 3] Generated Node #0,1: 58:[51, 10, 3] Operation: 99/33=3 Moving to Node #0,1 Current State: 58:[51, 10, 3], Operations: ['99/33=3'] Exploring Operation: 51+10=61, Resulting Numbers: [3, 61] Generated Node #0,1,1: 58:[3, 61] Operation: 51+10=61 Moving to Node #0,1,1 Current State: 58:[3, 61], Operations: ['99/33=3', '51+10=61'] Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 27, 7, 48, 23 ]
91
[ "27-7=20", "48+23=71", "20+71=91" ]
Current State: 91:[27, 7, 48, 23], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [48, 23, 20] Generated Node #2: [48, 23, 20] from Operation: 27-7=20 Current State: 91:[48, 23, 20], Operations: ['27-7=20'] Exploring Operation: 48+23=71, Resulting Numbers: [20, 71] Generated Node #3: [20, 71] from Operation: 48+23=71 Current State: 91:[20, 71], Operations: ['27-7=20', '48+23=71'] Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[27, 7, 48, 23], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [7, 23, 21] Generated Node #0,0: 91:[7, 23, 21] Operation: 48-27=21 Exploring Operation: 27+48=75, Resulting Numbers: [7, 23, 75] Generated Node #0,1: 91:[7, 23, 75] Operation: 27+48=75 Moving to Node #0,0 Current State: 91:[7, 23, 21], Operations: ['48-27=21'] Exploring Operation: 23-7=16, Resulting Numbers: [21, 16] Generated Node #0,0,0: 91:[21, 16] Operation: 23-7=16 Exploring Operation: 23-21=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 91:[7, 2] Operation: 23-21=2 Moving to Node #0,1 Current State: 91:[7, 23, 75], Operations: ['27+48=75'] Exploring Operation: 23+75=98, Resulting Numbers: [7, 98] Generated Node #0,1,0: 91:[7, 98] Operation: 23+75=98 Exploring Operation: 23-7=16, Resulting Numbers: [75, 16] Generated Node #0,1,1: 91:[75, 16] Operation: 23-7=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[7, 98], Operations: ['27+48=75', '23+75=98'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[27, 7, 48, 23], Operations: [] Exploring Operation: 27+48=75, Resulting Numbers: [7, 23, 75] Generated Node #0,1: 91:[7, 23, 75] Operation: 27+48=75 Moving to Node #0,1 Current State: 91:[7, 23, 75], Operations: ['27+48=75'] Exploring Operation: 23+75=98, Resulting Numbers: [7, 98] Generated Node #0,1,0: 91:[7, 98] Operation: 23+75=98 Moving to Node #0,1,0 Current State: 91:[7, 98], Operations: ['27+48=75', '23+75=98'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 41, 3, 32, 42 ]
93
[ "41+32=73", "73-42=31", "3*31=93" ]
Current State: 93:[41, 3, 32, 42], Operations: [] Exploring Operation: 41+32=73, Resulting Numbers: [3, 42, 73] Generated Node #2: [3, 42, 73] from Operation: 41+32=73 Current State: 93:[3, 42, 73], Operations: ['41+32=73'] Exploring Operation: 73-42=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 73-42=31 Current State: 93:[3, 31], Operations: ['41+32=73', '73-42=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[41, 3, 32, 42], Operations: [] Exploring Operation: 42-32=10, Resulting Numbers: [41, 3, 10] Generated Node #0,0: 93:[41, 3, 10] Operation: 42-32=10 Exploring Operation: 41-32=9, Resulting Numbers: [3, 42, 9] Generated Node #0,1: 93:[3, 42, 9] Operation: 41-32=9 Exploring Operation: 41-3=38, Resulting Numbers: [32, 42, 38] Generated Node #0,2: 93:[32, 42, 38] Operation: 41-3=38 Exploring Operation: 41+42=83, Resulting Numbers: [3, 32, 83] Generated Node #0,3: 93:[3, 32, 83] Operation: 41+42=83 Exploring Operation: 42-41=1, Resulting Numbers: [3, 32, 1] Generated Node #0,4: 93:[3, 32, 1] Operation: 42-41=1 Moving to Node #0,4 Current State: 93:[3, 32, 1], Operations: ['42-41=1'] Exploring Operation: 32/1=32, Resulting Numbers: [3, 32] Generated Node #0,4,0: 93:[3, 32] Operation: 32/1=32 Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #0,4,1: 93:[3, 31] Operation: 32-1=31 Exploring Operation: 3*1=3, Resulting Numbers: [32, 3] Generated Node #0,4,2: 93:[32, 3] Operation: 3*1=3 Exploring Operation: 32*1=32, Resulting Numbers: [3, 32] Generated Node #0,4,3: 93:[3, 32] Operation: 32*1=32 Exploring Operation: 3/1=3, Resulting Numbers: [32, 3] Generated Node #0,4,4: 93:[32, 3] Operation: 3/1=3 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 93:[3, 31], Operations: ['42-41=1', '32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[41, 3, 32, 42], Operations: [] Exploring Operation: 42-41=1, Resulting Numbers: [3, 32, 1] Generated Node #0,4: 93:[3, 32, 1] Operation: 42-41=1 Moving to Node #0,4 Current State: 93:[3, 32, 1], Operations: ['42-41=1'] Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #0,4,1: 93:[3, 31] Operation: 32-1=31 Moving to Node #0,4,1 Current State: 93:[3, 31], Operations: ['42-41=1', '32-1=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 59, 27, 43, 49 ]
26
[ "59-27=32", "49-43=6", "32-6=26" ]
Current State: 26:[59, 27, 43, 49], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [43, 49, 32] Generated Node #2: [43, 49, 32] from Operation: 59-27=32 Current State: 26:[43, 49, 32], Operations: ['59-27=32'] Exploring Operation: 49-43=6, Resulting Numbers: [32, 6] Generated Node #3: [32, 6] from Operation: 49-43=6 Current State: 26:[32, 6], Operations: ['59-27=32', '49-43=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[59, 27, 43, 49], Operations: [] Exploring Operation: 59-49=10, Resulting Numbers: [27, 43, 10] Generated Node #0,0: 26:[27, 43, 10] Operation: 59-49=10 Moving to Node #0,0 Current State: 26:[27, 43, 10], Operations: ['59-49=10'] Exploring Operation: 43-27=16, Resulting Numbers: [10, 16] Generated Node #0,0,0: 26:[10, 16] Operation: 43-27=16 Moving to Node #0,0,0 Current State: 26:[10, 16], Operations: ['59-49=10', '43-27=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[59, 27, 43, 49], Operations: [] Exploring Operation: 59-49=10, Resulting Numbers: [27, 43, 10] Generated Node #0,0: 26:[27, 43, 10] Operation: 59-49=10 Moving to Node #0,0 Current State: 26:[27, 43, 10], Operations: ['59-49=10'] Exploring Operation: 43-27=16, Resulting Numbers: [10, 16] Generated Node #0,0,0: 26:[10, 16] Operation: 43-27=16 Moving to Node #0,0,0 Current State: 26:[10, 16], Operations: ['59-49=10', '43-27=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 22, 37, 17, 74 ]
27
[ "22*74=1628", "1628/37=44", "44-17=27" ]
Current State: 27:[22, 37, 17, 74], Operations: [] Exploring Operation: 22*74=1628, Resulting Numbers: [37, 17, 1628] Generated Node #2: [37, 17, 1628] from Operation: 22*74=1628 Current State: 27:[37, 17, 1628], Operations: ['22*74=1628'] Exploring Operation: 1628/37=44, Resulting Numbers: [17, 44] Generated Node #3: [17, 44] from Operation: 1628/37=44 Current State: 27:[17, 44], Operations: ['22*74=1628', '1628/37=44'] Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[22, 37, 17, 74], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [22, 17, 2] Generated Node #0,0: 27:[22, 17, 2] Operation: 74/37=2 Exploring Operation: 74-37=37, Resulting Numbers: [22, 17, 37] Generated Node #0,1: 27:[22, 17, 37] Operation: 74-37=37 Moving to Node #0,0 Current State: 27:[22, 17, 2], Operations: ['74/37=2'] Exploring Operation: 22/2=11, Resulting Numbers: [17, 11] Generated Node #0,0,0: 27:[17, 11] Operation: 22/2=11 Exploring Operation: 22-17=5, Resulting Numbers: [2, 5] Generated Node #0,0,1: 27:[2, 5] Operation: 22-17=5 Moving to Node #0,1 Current State: 27:[22, 17, 37], Operations: ['74-37=37'] Exploring Operation: 22-17=5, Resulting Numbers: [37, 5] Generated Node #0,1,0: 27:[37, 5] Operation: 22-17=5 Exploring Operation: 37-17=20, Resulting Numbers: [22, 20] Generated Node #0,1,1: 27:[22, 20] Operation: 37-17=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[37, 5], Operations: ['74-37=37', '22-17=5'] Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,27 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,27 unequal: No Solution No 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: 27:[22, 20], Operations: ['74-37=37', '37-17=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,27 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,27 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: 27:[2, 5], Operations: ['74/37=2', '22-17=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[17, 11], Operations: ['74/37=2', '22/2=11'] Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,27 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,27 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 32, 80, 87, 89 ]
64
[ "32+80=112", "87+89=176", "176-112=64" ]
Current State: 64:[32, 80, 87, 89], Operations: [] Exploring Operation: 32+80=112, Resulting Numbers: [87, 89, 112] Generated Node #2: [87, 89, 112] from Operation: 32+80=112 Current State: 64:[87, 89, 112], Operations: ['32+80=112'] Exploring Operation: 87+89=176, Resulting Numbers: [112, 176] Generated Node #3: [112, 176] from Operation: 87+89=176 Current State: 64:[112, 176], Operations: ['32+80=112', '87+89=176'] Exploring Operation: 176-112=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[32, 80, 87, 89], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [32, 87, 9] Generated Node #0,0: 64:[32, 87, 9] Operation: 89-80=9 Exploring Operation: 89-87=2, Resulting Numbers: [32, 80, 2] Generated Node #0,1: 64:[32, 80, 2] Operation: 89-87=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[32, 80, 2], Operations: ['89-87=2'] Exploring Operation: 80/2=40, Resulting Numbers: [32, 40] Generated Node #0,1,0: 64:[32, 40] Operation: 80/2=40 Exploring Operation: 80-2=78, Resulting Numbers: [32, 78] Generated Node #0,1,1: 64:[32, 78] Operation: 80-2=78 Moving to Node #0,1,0 Current State: 64:[32, 40], Operations: ['89-87=2', '80/2=40'] Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,64 unequal: No Solution Exploring Operation: 32+40=72, Resulting Numbers: [72] 72,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[32, 78], Operations: ['89-87=2', '80-2=78'] Exploring Operation: 78-32=46, Resulting Numbers: [46] 46,64 unequal: No Solution Exploring Operation: 32+78=110, Resulting Numbers: [110] 110,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[32, 87, 9], Operations: ['89-80=9'] Exploring Operation: 87-9=78, Resulting Numbers: [32, 78] Generated Node #0,0,0: 64:[32, 78] Operation: 87-9=78 Exploring Operation: 87-32=55, Resulting Numbers: [9, 55] Generated Node #0,0,1: 64:[9, 55] Operation: 87-32=55 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[9, 55], Operations: ['89-80=9', '87-32=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[32, 80, 87, 89], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [32, 87, 9] Generated Node #0,0: 64:[32, 87, 9] Operation: 89-80=9 Moving to Node #0,0 Current State: 64:[32, 87, 9], Operations: ['89-80=9'] Exploring Operation: 87-32=55, Resulting Numbers: [9, 55] Generated Node #0,0,1: 64:[9, 55] Operation: 87-32=55 Moving to Node #0,0,1 Current State: 64:[9, 55], Operations: ['89-80=9', '87-32=55'] Exploring Operation: 9+55=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 84, 28, 38, 20 ]
42
[ "38-28=10", "84*10=840", "840/20=42" ]
Current State: 42:[84, 28, 38, 20], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [84, 20, 10] Generated Node #2: [84, 20, 10] from Operation: 38-28=10 Current State: 42:[84, 20, 10], Operations: ['38-28=10'] Exploring Operation: 84*10=840, Resulting Numbers: [20, 840] Generated Node #3: [20, 840] from Operation: 84*10=840 Current State: 42:[20, 840], Operations: ['38-28=10', '84*10=840'] Exploring Operation: 840/20=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[84, 28, 38, 20], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [38, 20, 3] Generated Node #0,0: 42:[38, 20, 3] Operation: 84/28=3 Exploring Operation: 38-28=10, Resulting Numbers: [84, 20, 10] Generated Node #0,1: 42:[84, 20, 10] Operation: 38-28=10 Exploring Operation: 84-20=64, Resulting Numbers: [28, 38, 64] Generated Node #0,2: 42:[28, 38, 64] Operation: 84-20=64 Exploring Operation: 84-38=46, Resulting Numbers: [28, 20, 46] Generated Node #0,3: 42:[28, 20, 46] Operation: 84-38=46 Exploring Operation: 84-28=56, Resulting Numbers: [38, 20, 56] Generated Node #0,4: 42:[38, 20, 56] Operation: 84-28=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[38, 20, 3], Operations: ['84/28=3'] Exploring Operation: 20+3=23, Resulting Numbers: [38, 23] Generated Node #0,0,0: 42:[38, 23] Operation: 20+3=23 Exploring Operation: 38-3=35, Resulting Numbers: [20, 35] Generated Node #0,0,1: 42:[20, 35] Operation: 38-3=35 Exploring Operation: 38+3=41, Resulting Numbers: [20, 41] Generated Node #0,0,2: 42:[20, 41] Operation: 38+3=41 Exploring Operation: 20-3=17, Resulting Numbers: [38, 17] Generated Node #0,0,3: 42:[38, 17] Operation: 20-3=17 Exploring Operation: 38-20=18, Resulting Numbers: [3, 18] Generated Node #0,0,4: 42:[3, 18] Operation: 38-20=18 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[20, 41], Operations: ['84/28=3', '38+3=41'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,42 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 42:[3, 18], Operations: ['84/28=3', '38-20=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[38, 23], Operations: ['84/28=3', '20+3=23'] Exploring Operation: 38*23=874, Resulting Numbers: [874] 874,42 unequal: No Solution Exploring Operation: 38+23=61, Resulting Numbers: [61] 61,42 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[38, 17], Operations: ['84/28=3', '20-3=17'] Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 38*17=646, Resulting Numbers: [646] 646,42 unequal: No Solution Exploring Operation: 38+17=55, Resulting Numbers: [55] 55,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[20, 35], Operations: ['84/28=3', '38-3=35'] Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,42 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[28, 20, 46], Operations: ['84-38=46'] Exploring Operation: 28-20=8, Resulting Numbers: [46, 8] Generated Node #0,3,0: 42:[46, 8] Operation: 28-20=8 Exploring Operation: 46-20=26, Resulting Numbers: [28, 26] Generated Node #0,3,1: 42:[28, 26] Operation: 46-20=26 Exploring Operation: 46-28=18, Resulting Numbers: [20, 18] Generated Node #0,3,2: 42:[20, 18] Operation: 46-28=18 Exploring Operation: 28+20=48, Resulting Numbers: [46, 48] Generated Node #0,3,3: 42:[46, 48] Operation: 28+20=48 Exploring Operation: 20+46=66, Resulting Numbers: [28, 66] Generated Node #0,3,4: 42:[28, 66] Operation: 20+46=66 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 42:[20, 18], Operations: ['84-38=46', '46-28=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,42 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 42:[46, 8], Operations: ['84-38=46', '28-20=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 42:[46, 48], Operations: ['84-38=46', '28+20=48'] Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,42 unequal: No Solution Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 42:[28, 26], Operations: ['84-38=46', '46-20=26'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 42:[28, 66], Operations: ['84-38=46', '20+46=66'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,42 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[38, 20, 56], Operations: ['84-28=56'] Exploring Operation: 56-38=18, Resulting Numbers: [20, 18] Generated Node #0,4,0: 42:[20, 18] Operation: 56-38=18 Exploring Operation: 38+20=58, Resulting Numbers: [56, 58] Generated Node #0,4,1: 42:[56, 58] Operation: 38+20=58 Exploring Operation: 38-20=18, Resulting Numbers: [56, 18] Generated Node #0,4,2: 42:[56, 18] Operation: 38-20=18 Exploring Operation: 56-20=36, Resulting Numbers: [38, 36] Generated Node #0,4,3: 42:[38, 36] Operation: 56-20=36 Exploring Operation: 20+56=76, Resulting Numbers: [38, 76] Generated Node #0,4,4: 42:[38, 76] Operation: 20+56=76 Moving to Node #0,4,0 Current State: 42:[20, 18], Operations: ['84-28=56', '56-38=18'] Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[38, 36], Operations: ['84-28=56', '56-20=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,42 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[56, 18], Operations: ['84-28=56', '38-20=18'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,42 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[56, 58], Operations: ['84-28=56', '38+20=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,42 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[38, 76], Operations: ['84-28=56', '20+56=76'] Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,42 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,42 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 #0,2 Current State: 42:[28, 38, 64], Operations: ['84-20=64'] Exploring Operation: 64-38=26, Resulting Numbers: [28, 26] Generated Node #0,2,0: 42:[28, 26] Operation: 64-38=26 Exploring Operation: 38-28=10, Resulting Numbers: [64, 10] Generated Node #0,2,1: 42:[64, 10] Operation: 38-28=10 Exploring Operation: 28+64=92, Resulting Numbers: [38, 92] Generated Node #0,2,2: 42:[38, 92] Operation: 28+64=92 Exploring Operation: 28+38=66, Resulting Numbers: [64, 66] Generated Node #0,2,3: 42:[64, 66] Operation: 28+38=66 Exploring Operation: 64-28=36, Resulting Numbers: [38, 36] Generated Node #0,2,4: 42:[38, 36] Operation: 64-28=36 Moving to Node #0,2,4 Current State: 42:[38, 36], Operations: ['84-20=64', '64-28=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,42 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[28, 26], Operations: ['84-20=64', '64-38=26'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,42 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[64, 10], Operations: ['84-20=64', '38-28=10'] Exploring Operation: 64*10=640, Resulting Numbers: [640] 640,42 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 64+10=74, Resulting Numbers: [74] 74,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[64, 66], Operations: ['84-20=64', '28+38=66'] Exploring Operation: 64+66=130, Resulting Numbers: [130] 130,42 unequal: No Solution Exploring Operation: 66-64=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 64*66=4224, Resulting Numbers: [4224] 4224,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[38, 92], Operations: ['84-20=64', '28+64=92'] Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 38*92=3496, Resulting Numbers: [3496] 3496,42 unequal: No Solution Exploring Operation: 38+92=130, Resulting Numbers: [130] 130,42 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 Current State: 42:[84, 20, 10], Operations: ['38-28=10'] Exploring Operation: 20-10=10, Resulting Numbers: [84, 10] Generated Node #0,1,0: 42:[84, 10] Operation: 20-10=10 Exploring Operation: 84-10=74, Resulting Numbers: [20, 74] Generated Node #0,1,1: 42:[20, 74] Operation: 84-10=74 Exploring Operation: 84-20=64, Resulting Numbers: [10, 64] Generated Node #0,1,2: 42:[10, 64] Operation: 84-20=64 Exploring Operation: 20/10=2, Resulting Numbers: [84, 2] Generated Node #0,1,3: 42:[84, 2] Operation: 20/10=2 Exploring Operation: 20+10=30, Resulting Numbers: [84, 30] Generated Node #0,1,4: 42:[84, 30] Operation: 20+10=30 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[10, 64], Operations: ['38-28=10', '84-20=64'] Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,42 unequal: No Solution Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[20, 74], Operations: ['38-28=10', '84-10=74'] Exploring Operation: 20*74=1480, Resulting Numbers: [1480] 1480,42 unequal: No Solution Exploring Operation: 20+74=94, Resulting Numbers: [94] 94,42 unequal: No Solution Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 42:[84, 2], Operations: ['38-28=10', '20/10=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,42 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,42 unequal: No Solution Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[84, 28, 38, 20], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [84, 20, 10] Generated Node #0,1: 42:[84, 20, 10] Operation: 38-28=10 Moving to Node #0,1 Current State: 42:[84, 20, 10], Operations: ['38-28=10'] Exploring Operation: 20/10=2, Resulting Numbers: [84, 2] Generated Node #0,1,3: 42:[84, 2] Operation: 20/10=2 Moving to Node #0,1,3 Current State: 42:[84, 2], Operations: ['38-28=10', '20/10=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.908854
hs_5
mult_heuristic
[ 3, 15, 66, 89 ]
64
[ "66-15=51", "3*51=153", "153-89=64" ]
Current State: 64:[3, 15, 66, 89], Operations: [] Exploring Operation: 66-15=51, Resulting Numbers: [3, 89, 51] Generated Node #2: [3, 89, 51] from Operation: 66-15=51 Current State: 64:[3, 89, 51], Operations: ['66-15=51'] Exploring Operation: 3*51=153, Resulting Numbers: [89, 153] Generated Node #3: [89, 153] from Operation: 3*51=153 Current State: 64:[89, 153], Operations: ['66-15=51', '3*51=153'] Exploring Operation: 153-89=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[3, 15, 66, 89], Operations: [] Exploring Operation: 89-15=74, Resulting Numbers: [3, 66, 74] Generated Node #0,0: 64:[3, 66, 74] Operation: 89-15=74 Exploring Operation: 89-3=86, Resulting Numbers: [15, 66, 86] Generated Node #0,1: 64:[15, 66, 86] Operation: 89-3=86 Exploring Operation: 89-66=23, Resulting Numbers: [3, 15, 23] Generated Node #0,2: 64:[3, 15, 23] Operation: 89-66=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[3, 15, 23], Operations: ['89-66=23'] Exploring Operation: 23-15=8, Resulting Numbers: [3, 8] Generated Node #0,2,0: 64:[3, 8] Operation: 23-15=8 Exploring Operation: 23-3=20, Resulting Numbers: [15, 20] Generated Node #0,2,1: 64:[15, 20] Operation: 23-3=20 Exploring Operation: 3*23=69, Resulting Numbers: [15, 69] Generated Node #0,2,2: 64:[15, 69] Operation: 3*23=69 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[3, 8], Operations: ['89-66=23', '23-15=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,64 unequal: No Solution No 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: 64:[15, 20], Operations: ['89-66=23', '23-3=20'] Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,64 unequal: No Solution No 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: 64:[15, 69], Operations: ['89-66=23', '3*23=69'] Exploring Operation: 15*69=1035, Resulting Numbers: [1035] 1035,64 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,64 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[3, 66, 74], Operations: ['89-15=74'] Exploring Operation: 66-3=63, Resulting Numbers: [74, 63] Generated Node #0,0,0: 64:[74, 63] Operation: 66-3=63 Exploring Operation: 74-3=71, Resulting Numbers: [66, 71] Generated Node #0,0,1: 64:[66, 71] Operation: 74-3=71 Exploring Operation: 74-66=8, Resulting Numbers: [3, 8] Generated Node #0,0,2: 64:[3, 8] Operation: 74-66=8 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 64:[3, 8], Operations: ['89-15=74', '74-66=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,64 unequal: No Solution No 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: 64:[66, 71], Operations: ['89-15=74', '74-3=71'] Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 66*71=4686, Resulting Numbers: [4686] 4686,64 unequal: No Solution Exploring Operation: 66+71=137, Resulting Numbers: [137] 137,64 unequal: No Solution No 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: 64:[74, 63], Operations: ['89-15=74', '66-3=63'] Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,64 unequal: No Solution Exploring Operation: 74*63=4662, Resulting Numbers: [4662] 4662,64 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,64 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[15, 66, 86], Operations: ['89-3=86'] Exploring Operation: 66-15=51, Resulting Numbers: [86, 51] Generated Node #0,1,0: 64:[86, 51] Operation: 66-15=51 Exploring Operation: 86-66=20, Resulting Numbers: [15, 20] Generated Node #0,1,1: 64:[15, 20] Operation: 86-66=20 Exploring Operation: 86-15=71, Resulting Numbers: [66, 71] Generated Node #0,1,2: 64:[66, 71] Operation: 86-15=71 Moving to Node #0,1,1 Current State: 64:[15, 20], Operations: ['89-3=86', '86-66=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[66, 71], Operations: ['89-3=86', '86-15=71'] Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 66*71=4686, Resulting Numbers: [4686] 4686,64 unequal: No Solution Exploring Operation: 66+71=137, Resulting Numbers: [137] 137,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[86, 51], Operations: ['89-3=86', '66-15=51'] Exploring Operation: 86-51=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 86*51=4386, Resulting Numbers: [4386] 4386,64 unequal: No Solution Exploring Operation: 86+51=137, Resulting Numbers: [137] 137,64 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
[ 36, 4, 78, 41 ]
25
[ "36*4=144", "78+41=119", "144-119=25" ]
Current State: 25:[36, 4, 78, 41], Operations: [] Exploring Operation: 36*4=144, Resulting Numbers: [78, 41, 144] Generated Node #2: [78, 41, 144] from Operation: 36*4=144 Current State: 25:[78, 41, 144], Operations: ['36*4=144'] Exploring Operation: 78+41=119, Resulting Numbers: [144, 119] Generated Node #3: [144, 119] from Operation: 78+41=119 Current State: 25:[144, 119], Operations: ['36*4=144', '78+41=119'] Exploring Operation: 144-119=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[36, 4, 78, 41], Operations: [] Exploring Operation: 78-41=37, Resulting Numbers: [36, 4, 37] Generated Node #0,0: 25:[36, 4, 37] Operation: 78-41=37 Exploring Operation: 78-36=42, Resulting Numbers: [4, 41, 42] Generated Node #0,1: 25:[4, 41, 42] Operation: 78-36=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[36, 4, 37], Operations: ['78-41=37'] Exploring Operation: 37-36=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 25:[4, 1] Operation: 37-36=1 Exploring Operation: 36/4=9, Resulting Numbers: [37, 9] Generated Node #0,0,1: 25:[37, 9] Operation: 36/4=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[4, 1], Operations: ['78-41=37', '37-36=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,25 unequal: No Solution No 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: 25:[37, 9], Operations: ['78-41=37', '36/4=9'] Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,25 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: 25:[4, 41, 42], Operations: ['78-36=42'] Exploring Operation: 41-4=37, Resulting Numbers: [42, 37] Generated Node #0,1,0: 25:[42, 37] Operation: 41-4=37 Exploring Operation: 42-41=1, Resulting Numbers: [4, 1] Generated Node #0,1,1: 25:[4, 1] Operation: 42-41=1 Moving to Node #0,1,1 Current State: 25:[4, 1], Operations: ['78-36=42', '42-41=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[42, 37], Operations: ['78-36=42', '41-4=37'] Exploring Operation: 42+37=79, Resulting Numbers: [79] 79,25 unequal: No Solution Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,25 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
[ 77, 98, 56, 25 ]
94
[ "77+98=175", "56+25=81", "175-81=94" ]
Current State: 94:[77, 98, 56, 25], Operations: [] Exploring Operation: 77+98=175, Resulting Numbers: [56, 25, 175] Generated Node #2: [56, 25, 175] from Operation: 77+98=175 Current State: 94:[56, 25, 175], Operations: ['77+98=175'] Exploring Operation: 56+25=81, Resulting Numbers: [175, 81] Generated Node #3: [175, 81] from Operation: 56+25=81 Current State: 94:[175, 81], Operations: ['77+98=175', '56+25=81'] Exploring Operation: 175-81=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[77, 98, 56, 25], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [98, 56, 52] Generated Node #0,0: 94:[98, 56, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[98, 56, 52], Operations: ['77-25=52'] Exploring Operation: 56-52=4, Resulting Numbers: [98, 4] Generated Node #0,0,0: 94:[98, 4] Operation: 56-52=4 Moving to Node #0,0,0 Current State: 94:[98, 4], Operations: ['77-25=52', '56-52=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[77, 98, 56, 25], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [98, 56, 52] Generated Node #0,0: 94:[98, 56, 52] Operation: 77-25=52 Moving to Node #0,0 Current State: 94:[98, 56, 52], Operations: ['77-25=52'] Exploring Operation: 56-52=4, Resulting Numbers: [98, 4] Generated Node #0,0,0: 94:[98, 4] Operation: 56-52=4 Moving to Node #0,0,0 Current State: 94:[98, 4], Operations: ['77-25=52', '56-52=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 5, 49, 8, 7 ]
43
[ "5*49=245", "245/7=35", "8+35=43" ]
Current State: 43:[5, 49, 8, 7], Operations: [] Exploring Operation: 5*49=245, Resulting Numbers: [8, 7, 245] Generated Node #2: [8, 7, 245] from Operation: 5*49=245 Current State: 43:[8, 7, 245], Operations: ['5*49=245'] Exploring Operation: 245/7=35, Resulting Numbers: [8, 35] Generated Node #3: [8, 35] from Operation: 245/7=35 Current State: 43:[8, 35], Operations: ['5*49=245', '245/7=35'] Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[5, 49, 8, 7], Operations: [] Exploring Operation: 49-5=44, Resulting Numbers: [8, 7, 44] Generated Node #0,0: 43:[8, 7, 44] Operation: 49-5=44 Exploring Operation: 5+8=13, Resulting Numbers: [49, 7, 13] Generated Node #0,1: 43:[49, 7, 13] Operation: 5+8=13 Exploring Operation: 5*7=35, Resulting Numbers: [49, 8, 35] Generated Node #0,2: 43:[49, 8, 35] Operation: 5*7=35 Exploring Operation: 5*8=40, Resulting Numbers: [49, 7, 40] Generated Node #0,3: 43:[49, 7, 40] Operation: 5*8=40 Exploring Operation: 8*7=56, Resulting Numbers: [5, 49, 56] Generated Node #0,4: 43:[5, 49, 56] Operation: 8*7=56 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[49, 7, 40], Operations: ['5*8=40'] Exploring Operation: 7+40=47, Resulting Numbers: [49, 47] Generated Node #0,3,0: 43:[49, 47] Operation: 7+40=47 Exploring Operation: 49-7=42, Resulting Numbers: [40, 42] Generated Node #0,3,1: 43:[40, 42] Operation: 49-7=42 Exploring Operation: 49/7=7, Resulting Numbers: [40, 7] Generated Node #0,3,2: 43:[40, 7] Operation: 49/7=7 Exploring Operation: 40-7=33, Resulting Numbers: [49, 33] Generated Node #0,3,3: 43:[49, 33] Operation: 40-7=33 Exploring Operation: 49+7=56, Resulting Numbers: [40, 56] Generated Node #0,3,4: 43:[40, 56] Operation: 49+7=56 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[40, 42], Operations: ['5*8=40', '49-7=42'] Exploring Operation: 40+42=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 40*42=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[49, 47], Operations: ['5*8=40', '7+40=47'] Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,43 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[49, 33], Operations: ['5*8=40', '40-7=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,43 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[40, 56], Operations: ['5*8=40', '49+7=56'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,43 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,43 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[40, 7], Operations: ['5*8=40', '49/7=7'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 40*7=280, Resulting Numbers: [280] 280,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[49, 8, 35], Operations: ['5*7=35'] Exploring Operation: 35-8=27, Resulting Numbers: [49, 27] Generated Node #0,2,0: 43:[49, 27] Operation: 35-8=27 Exploring Operation: 49-35=14, Resulting Numbers: [8, 14] Generated Node #0,2,1: 43:[8, 14] Operation: 49-35=14 Exploring Operation: 49+8=57, Resulting Numbers: [35, 57] Generated Node #0,2,2: 43:[35, 57] Operation: 49+8=57 Exploring Operation: 49-8=41, Resulting Numbers: [35, 41] Generated Node #0,2,3: 43:[35, 41] Operation: 49-8=41 Exploring Operation: 8+35=43, Resulting Numbers: [49, 43] Generated Node #0,2,4: 43:[49, 43] Operation: 8+35=43 Moving to Node #0,2,4 Current State: 43:[49, 43], Operations: ['5*7=35', '8+35=43'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,43 unequal: No Solution Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[35, 41], Operations: ['5*7=35', '49-8=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 35*41=1435, Resulting Numbers: [1435] 1435,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[49, 27], Operations: ['5*7=35', '35-8=27'] Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,43 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[35, 57], Operations: ['5*7=35', '49+8=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,43 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[8, 14], Operations: ['5*7=35', '49-35=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,43 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,43 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 Current State: 43:[5, 49, 56], Operations: ['8*7=56'] Exploring Operation: 5+49=54, Resulting Numbers: [56, 54] Generated Node #0,4,0: 43:[56, 54] Operation: 5+49=54 Exploring Operation: 49-5=44, Resulting Numbers: [56, 44] Generated Node #0,4,1: 43:[56, 44] Operation: 49-5=44 Exploring Operation: 56-5=51, Resulting Numbers: [49, 51] Generated Node #0,4,2: 43:[49, 51] Operation: 56-5=51 Exploring Operation: 5+56=61, Resulting Numbers: [49, 61] Generated Node #0,4,3: 43:[49, 61] Operation: 5+56=61 Exploring Operation: 56-49=7, Resulting Numbers: [5, 7] Generated Node #0,4,4: 43:[5, 7] Operation: 56-49=7 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 43:[56, 44], Operations: ['8*7=56', '49-5=44'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 43:[49, 51], Operations: ['8*7=56', '56-5=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 49*51=2499, Resulting Numbers: [2499] 2499,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 43:[56, 54], Operations: ['8*7=56', '5+49=54'] Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,43 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 43:[49, 61], Operations: ['8*7=56', '5+56=61'] Exploring Operation: 61-49=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 49+61=110, Resulting Numbers: [110] 110,43 unequal: No Solution Exploring Operation: 49*61=2989, Resulting Numbers: [2989] 2989,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 43:[5, 7], Operations: ['8*7=56', '56-49=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[8, 7, 44], Operations: ['49-5=44'] Exploring Operation: 44-7=37, Resulting Numbers: [8, 37] Generated Node #0,0,0: 43:[8, 37] Operation: 44-7=37 Exploring Operation: 8+7=15, Resulting Numbers: [44, 15] Generated Node #0,0,1: 43:[44, 15] Operation: 8+7=15 Exploring Operation: 44-8=36, Resulting Numbers: [7, 36] Generated Node #0,0,2: 43:[7, 36] Operation: 44-8=36 Exploring Operation: 8*7=56, Resulting Numbers: [44, 56] Generated Node #0,0,3: 43:[44, 56] Operation: 8*7=56 Exploring Operation: 8-7=1, Resulting Numbers: [44, 1] Generated Node #0,0,4: 43:[44, 1] Operation: 8-7=1 Moving to Node #0,0,3 Current State: 43:[44, 56], Operations: ['49-5=44', '8*7=56'] Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,43 unequal: No Solution Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[44, 15], Operations: ['49-5=44', '8+7=15'] Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,43 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[8, 37], Operations: ['49-5=44', '44-7=37'] Exploring Operation: 8*37=296, Resulting Numbers: [296] 296,43 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,43 unequal: No Solution Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[7, 36], Operations: ['49-5=44', '44-8=36'] Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,43 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[5, 49, 8, 7], Operations: [] Exploring Operation: 49-5=44, Resulting Numbers: [8, 7, 44] Generated Node #0,0: 43:[8, 7, 44] Operation: 49-5=44 Moving to Node #0,0 Current State: 43:[8, 7, 44], Operations: ['49-5=44'] Exploring Operation: 44-8=36, Resulting Numbers: [7, 36] Generated Node #0,0,2: 43:[7, 36] Operation: 44-8=36 Moving to Node #0,0,2 Current State: 43:[7, 36], Operations: ['49-5=44', '44-8=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.926215
hs_5
mult_heuristic
[ 74, 5, 64, 97 ]
95
[ "74-64=10", "10/5=2", "97-2=95" ]
Current State: 95:[74, 5, 64, 97], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [5, 97, 10] Generated Node #2: [5, 97, 10] from Operation: 74-64=10 Current State: 95:[5, 97, 10], Operations: ['74-64=10'] Exploring Operation: 10/5=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 10/5=2 Current State: 95:[97, 2], Operations: ['74-64=10', '10/5=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[74, 5, 64, 97], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [5, 97, 10] Generated Node #0,0: 95:[5, 97, 10] Operation: 74-64=10 Exploring Operation: 97-74=23, Resulting Numbers: [5, 64, 23] Generated Node #0,1: 95:[5, 64, 23] Operation: 97-74=23 Moving to Node #0,0 Current State: 95:[5, 97, 10], Operations: ['74-64=10'] Exploring Operation: 10-5=5, Resulting Numbers: [97, 5] Generated Node #0,0,0: 95:[97, 5] Operation: 10-5=5 Exploring Operation: 10/5=2, Resulting Numbers: [97, 2] Generated Node #0,0,1: 95:[97, 2] Operation: 10/5=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[97, 5], Operations: ['74-64=10', '10-5=5'] Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,95 unequal: No Solution Exploring Operation: 97+5=102, Resulting Numbers: [102] 102,95 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 #0,0,1 Current State: 95:[97, 2], Operations: ['74-64=10', '10/5=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[74, 5, 64, 97], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [5, 97, 10] Generated Node #0,0: 95:[5, 97, 10] Operation: 74-64=10 Moving to Node #0,0 Current State: 95:[5, 97, 10], Operations: ['74-64=10'] Exploring Operation: 10/5=2, Resulting Numbers: [97, 2] Generated Node #0,0,1: 95:[97, 2] Operation: 10/5=2 Moving to Node #0,0,1 Current State: 95:[97, 2], Operations: ['74-64=10', '10/5=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 91, 84, 21, 68 ]
74
[ "84/21=4", "68/4=17", "91-17=74" ]
Current State: 74:[91, 84, 21, 68], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [91, 68, 4] Generated Node #2: [91, 68, 4] from Operation: 84/21=4 Current State: 74:[91, 68, 4], Operations: ['84/21=4'] Exploring Operation: 68/4=17, Resulting Numbers: [91, 17] Generated Node #3: [91, 17] from Operation: 68/4=17 Current State: 74:[91, 17], Operations: ['84/21=4', '68/4=17'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[91, 84, 21, 68], Operations: [] Exploring Operation: 91-84=7, Resulting Numbers: [21, 68, 7] Generated Node #0,0: 74:[21, 68, 7] Operation: 91-84=7 Exploring Operation: 84-21=63, Resulting Numbers: [91, 68, 63] Generated Node #0,1: 74:[91, 68, 63] Operation: 84-21=63 Exploring Operation: 84/21=4, Resulting Numbers: [91, 68, 4] Generated Node #0,2: 74:[91, 68, 4] Operation: 84/21=4 Exploring Operation: 91-21=70, Resulting Numbers: [84, 68, 70] Generated Node #0,3: 74:[84, 68, 70] Operation: 91-21=70 Exploring Operation: 68-21=47, Resulting Numbers: [91, 84, 47] Generated Node #0,4: 74:[91, 84, 47] Operation: 68-21=47 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[84, 68, 70], Operations: ['91-21=70'] Exploring Operation: 84+68=152, Resulting Numbers: [70, 152] Generated Node #0,3,0: 74:[70, 152] Operation: 84+68=152 Exploring Operation: 68+70=138, Resulting Numbers: [84, 138] Generated Node #0,3,1: 74:[84, 138] Operation: 68+70=138 Exploring Operation: 70-68=2, Resulting Numbers: [84, 2] Generated Node #0,3,2: 74:[84, 2] Operation: 70-68=2 Exploring Operation: 84-70=14, Resulting Numbers: [68, 14] Generated Node #0,3,3: 74:[68, 14] Operation: 84-70=14 Exploring Operation: 84-68=16, Resulting Numbers: [70, 16] Generated Node #0,3,4: 74:[70, 16] Operation: 84-68=16 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[84, 2], Operations: ['91-21=70', '70-68=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,74 unequal: No Solution Exploring Operation: 84*2=168, Resulting Numbers: [168] 168,74 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,74 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:[68, 14], Operations: ['91-21=70', '84-70=14'] Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,74 unequal: No Solution Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,74 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 #0,3,4 Current State: 74:[70, 16], Operations: ['91-21=70', '84-68=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,74 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[84, 138], Operations: ['91-21=70', '68+70=138'] Exploring Operation: 84*138=11592, Resulting Numbers: [11592] 11592,74 unequal: No Solution Exploring Operation: 84+138=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 138-84=54, Resulting Numbers: [54] 54,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[70, 152], Operations: ['91-21=70', '84+68=152'] Exploring Operation: 70+152=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 152-70=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 70*152=10640, Resulting Numbers: [10640] 10640,74 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 #0,2 Current State: 74:[91, 68, 4], Operations: ['84/21=4'] Exploring Operation: 91-4=87, Resulting Numbers: [68, 87] Generated Node #0,2,0: 74:[68, 87] Operation: 91-4=87 Exploring Operation: 91-68=23, Resulting Numbers: [4, 23] Generated Node #0,2,1: 74:[4, 23] Operation: 91-68=23 Exploring Operation: 91+4=95, Resulting Numbers: [68, 95] Generated Node #0,2,2: 74:[68, 95] Operation: 91+4=95 Exploring Operation: 68-4=64, Resulting Numbers: [91, 64] Generated Node #0,2,3: 74:[91, 64] Operation: 68-4=64 Exploring Operation: 68+4=72, Resulting Numbers: [91, 72] Generated Node #0,2,4: 74:[91, 72] Operation: 68+4=72 Moving to Node #0,2,1 Current State: 74:[4, 23], Operations: ['84/21=4', '91-68=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,74 unequal: No Solution Moving to Node #0,2,4 Current State: 74:[91, 72], Operations: ['84/21=4', '68+4=72'] Exploring Operation: 91*72=6552, Resulting Numbers: [6552] 6552,74 unequal: No Solution Exploring Operation: 91+72=163, Resulting Numbers: [163] 163,74 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[68, 87], Operations: ['84/21=4', '91-4=87'] Exploring Operation: 87-68=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 68+87=155, Resulting Numbers: [155] 155,74 unequal: No Solution Exploring Operation: 68*87=5916, Resulting Numbers: [5916] 5916,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[68, 95], Operations: ['84/21=4', '91+4=95'] Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 68*95=6460, Resulting Numbers: [6460] 6460,74 unequal: No Solution Exploring Operation: 68+95=163, Resulting Numbers: [163] 163,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[91, 64], Operations: ['84/21=4', '68-4=64'] Exploring Operation: 91*64=5824, Resulting Numbers: [5824] 5824,74 unequal: No Solution Exploring Operation: 91-64=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 91+64=155, Resulting Numbers: [155] 155,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[21, 68, 7], Operations: ['91-84=7'] Exploring Operation: 68+7=75, Resulting Numbers: [21, 75] Generated Node #0,0,0: 74:[21, 75] Operation: 68+7=75 Exploring Operation: 21+7=28, Resulting Numbers: [68, 28] Generated Node #0,0,1: 74:[68, 28] Operation: 21+7=28 Exploring Operation: 21-7=14, Resulting Numbers: [68, 14] Generated Node #0,0,2: 74:[68, 14] Operation: 21-7=14 Exploring Operation: 21/7=3, Resulting Numbers: [68, 3] Generated Node #0,0,3: 74:[68, 3] Operation: 21/7=3 Exploring Operation: 68-21=47, Resulting Numbers: [7, 47] Generated Node #0,0,4: 74:[7, 47] Operation: 68-21=47 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 74:[68, 3], Operations: ['91-84=7', '21/7=3'] Exploring Operation: 68+3=71, Resulting Numbers: [71] 71,74 unequal: No Solution Exploring Operation: 68*3=204, Resulting Numbers: [204] 204,74 unequal: No Solution Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,74 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 #0,0,1 Current State: 74:[68, 28], Operations: ['91-84=7', '21+7=28'] Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,74 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,74 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 #0,0,4 Current State: 74:[7, 47], Operations: ['91-84=7', '68-21=47'] Exploring Operation: 7+47=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 7*47=329, Resulting Numbers: [329] 329,74 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,74 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 #0,0,0 Current State: 74:[21, 75], Operations: ['91-84=7', '68+7=75'] Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 21*75=1575, Resulting Numbers: [1575] 1575,74 unequal: No Solution Exploring Operation: 21+75=96, Resulting Numbers: [96] 96,74 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 #0,0,2 Current State: 74:[68, 14], Operations: ['91-84=7', '21-7=14'] Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,74 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 #0,1 Current State: 74:[91, 68, 63], Operations: ['84-21=63'] Exploring Operation: 68-63=5, Resulting Numbers: [91, 5] Generated Node #0,1,0: 74:[91, 5] Operation: 68-63=5 Exploring Operation: 91-68=23, Resulting Numbers: [63, 23] Generated Node #0,1,1: 74:[63, 23] Operation: 91-68=23 Exploring Operation: 91-63=28, Resulting Numbers: [68, 28] Generated Node #0,1,2: 74:[68, 28] Operation: 91-63=28 Exploring Operation: 68+63=131, Resulting Numbers: [91, 131] Generated Node #0,1,3: 74:[91, 131] Operation: 68+63=131 Exploring Operation: 91+63=154, Resulting Numbers: [68, 154] Generated Node #0,1,4: 74:[68, 154] Operation: 91+63=154 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[68, 28], Operations: ['84-21=63', '91-63=28'] Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,74 unequal: No Solution Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,74 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[91, 5], Operations: ['84-21=63', '68-63=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,74 unequal: No Solution Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,74 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[63, 23], Operations: ['84-21=63', '91-68=23'] Exploring Operation: 63*23=1449, Resulting Numbers: [1449] 1449,74 unequal: No Solution Exploring Operation: 63+23=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[91, 131], Operations: ['84-21=63', '68+63=131'] Exploring Operation: 91+131=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 91*131=11921, Resulting Numbers: [11921] 11921,74 unequal: No Solution Exploring Operation: 131-91=40, Resulting Numbers: [40] 40,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 74:[68, 154], Operations: ['84-21=63', '91+63=154'] Exploring Operation: 68+154=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 68*154=10472, Resulting Numbers: [10472] 10472,74 unequal: No Solution Exploring Operation: 154-68=86, Resulting Numbers: [86] 86,74 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 #0,4 Current State: 74:[91, 84, 47], Operations: ['68-21=47'] Exploring Operation: 91-47=44, Resulting Numbers: [84, 44] Generated Node #0,4,0: 74:[84, 44] Operation: 91-47=44 Exploring Operation: 84+47=131, Resulting Numbers: [91, 131] Generated Node #0,4,1: 74:[91, 131] Operation: 84+47=131 Exploring Operation: 91+47=138, Resulting Numbers: [84, 138] Generated Node #0,4,2: 74:[84, 138] Operation: 91+47=138 Exploring Operation: 84-47=37, Resulting Numbers: [91, 37] Generated Node #0,4,3: 74:[91, 37] Operation: 84-47=37 Exploring Operation: 91-84=7, Resulting Numbers: [47, 7] Generated Node #0,4,4: 74:[47, 7] Operation: 91-84=7 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 74:[47, 7], Operations: ['68-21=47', '91-84=7'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,74 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,74 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 #0,4,0 Current State: 74:[84, 44], Operations: ['68-21=47', '91-47=44'] Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,74 unequal: No Solution Exploring Operation: 84*44=3696, Resulting Numbers: [3696] 3696,74 unequal: No Solution Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,74 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 #0,4,3 Current State: 74:[91, 37], Operations: ['68-21=47', '84-47=37'] Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,74 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,74 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 #0,4,1 Current State: 74:[91, 131], Operations: ['68-21=47', '84+47=131'] Exploring Operation: 131-91=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 91*131=11921, Resulting Numbers: [11921] 11921,74 unequal: No Solution Exploring Operation: 91+131=222, Resulting Numbers: [222] 222,74 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 #0,4,2 Current State: 74:[84, 138], Operations: ['68-21=47', '91+47=138'] Exploring Operation: 84+138=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 138-84=54, Resulting Numbers: [54] 54,74 unequal: No Solution Exploring Operation: 84*138=11592, Resulting Numbers: [11592] 11592,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 84, 94, 63, 39 ]
92
[ "94-84=10", "63+39=102", "102-10=92" ]
Current State: 92:[84, 94, 63, 39], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [63, 39, 10] Generated Node #2: [63, 39, 10] from Operation: 94-84=10 Current State: 92:[63, 39, 10], Operations: ['94-84=10'] Exploring Operation: 63+39=102, Resulting Numbers: [10, 102] Generated Node #3: [10, 102] from Operation: 63+39=102 Current State: 92:[10, 102], Operations: ['94-84=10', '63+39=102'] Exploring Operation: 102-10=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[84, 94, 63, 39], Operations: [] Exploring Operation: 63+39=102, Resulting Numbers: [84, 94, 102] Generated Node #0,0: 92:[84, 94, 102] Operation: 63+39=102 Exploring Operation: 63-39=24, Resulting Numbers: [84, 94, 24] Generated Node #0,1: 92:[84, 94, 24] Operation: 63-39=24 Exploring Operation: 84-39=45, Resulting Numbers: [94, 63, 45] Generated Node #0,2: 92:[94, 63, 45] Operation: 84-39=45 Exploring Operation: 84-63=21, Resulting Numbers: [94, 39, 21] Generated Node #0,3: 92:[94, 39, 21] Operation: 84-63=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[84, 94, 24], Operations: ['63-39=24'] Exploring Operation: 94-24=70, Resulting Numbers: [84, 70] Generated Node #0,1,0: 92:[84, 70] Operation: 94-24=70 Exploring Operation: 84+24=108, Resulting Numbers: [94, 108] Generated Node #0,1,1: 92:[94, 108] Operation: 84+24=108 Exploring Operation: 84-24=60, Resulting Numbers: [94, 60] Generated Node #0,1,2: 92:[94, 60] Operation: 84-24=60 Exploring Operation: 94-84=10, Resulting Numbers: [24, 10] Generated Node #0,1,3: 92:[24, 10] Operation: 94-84=10 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[24, 10], Operations: ['63-39=24', '94-84=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 24*10=240, Resulting Numbers: [240] 240,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[94, 60], Operations: ['63-39=24', '84-24=60'] Exploring Operation: 94*60=5640, Resulting Numbers: [5640] 5640,92 unequal: No Solution Exploring Operation: 94+60=154, Resulting Numbers: [154] 154,92 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[94, 108], Operations: ['63-39=24', '84+24=108'] Exploring Operation: 94+108=202, Resulting Numbers: [202] 202,92 unequal: No Solution Exploring Operation: 94*108=10152, Resulting Numbers: [10152] 10152,92 unequal: No Solution Exploring Operation: 108-94=14, Resulting Numbers: [14] 14,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[84, 70], Operations: ['63-39=24', '94-24=70'] Exploring Operation: 84+70=154, Resulting Numbers: [154] 154,92 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 84*70=5880, Resulting Numbers: [5880] 5880,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[94, 39, 21], Operations: ['84-63=21'] Exploring Operation: 94-21=73, Resulting Numbers: [39, 73] Generated Node #0,3,0: 92:[39, 73] Operation: 94-21=73 Exploring Operation: 39+21=60, Resulting Numbers: [94, 60] Generated Node #0,3,1: 92:[94, 60] Operation: 39+21=60 Exploring Operation: 39-21=18, Resulting Numbers: [94, 18] Generated Node #0,3,2: 92:[94, 18] Operation: 39-21=18 Exploring Operation: 94-39=55, Resulting Numbers: [21, 55] Generated Node #0,3,3: 92:[21, 55] Operation: 94-39=55 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 92:[94, 18], Operations: ['84-63=21', '39-21=18'] Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 92:[21, 55], Operations: ['84-63=21', '94-39=55'] Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,92 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 92:[94, 60], Operations: ['84-63=21', '39+21=60'] Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,92 unequal: No Solution Exploring Operation: 94+60=154, Resulting Numbers: [154] 154,92 unequal: No Solution Exploring Operation: 94*60=5640, Resulting Numbers: [5640] 5640,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 92:[39, 73], Operations: ['84-63=21', '94-21=73'] Exploring Operation: 39*73=2847, Resulting Numbers: [2847] 2847,92 unequal: No Solution Exploring Operation: 39+73=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 73-39=34, Resulting Numbers: [34] 34,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[84, 94, 102], Operations: ['63+39=102'] Exploring Operation: 102-84=18, Resulting Numbers: [94, 18] Generated Node #0,0,0: 92:[94, 18] Operation: 102-84=18 Exploring Operation: 94-84=10, Resulting Numbers: [102, 10] Generated Node #0,0,1: 92:[102, 10] Operation: 94-84=10 Exploring Operation: 84+94=178, Resulting Numbers: [102, 178] Generated Node #0,0,2: 92:[102, 178] Operation: 84+94=178 Exploring Operation: 102-94=8, Resulting Numbers: [84, 8] Generated Node #0,0,3: 92:[84, 8] Operation: 102-94=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[94, 18], Operations: ['63+39=102', '102-84=18'] Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 94+18=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 94*18=1692, Resulting Numbers: [1692] 1692,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 92:[84, 8], Operations: ['63+39=102', '102-94=8'] Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,92 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[84, 94, 63, 39], Operations: [] Exploring Operation: 63+39=102, Resulting Numbers: [84, 94, 102] Generated Node #0,0: 92:[84, 94, 102] Operation: 63+39=102 Moving to Node #0,0 Current State: 92:[84, 94, 102], Operations: ['63+39=102'] Exploring Operation: 102-94=8, Resulting Numbers: [84, 8] Generated Node #0,0,3: 92:[84, 8] Operation: 102-94=8 Moving to Node #0,0,3 Current State: 92:[84, 8], Operations: ['63+39=102', '102-94=8'] Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.957465
hs_4
mult_heuristic
[ 65, 40, 6, 53 ]
13
[ "65-40=25", "53+25=78", "78/6=13" ]
Current State: 13:[65, 40, 6, 53], Operations: [] Exploring Operation: 65-40=25, Resulting Numbers: [6, 53, 25] Generated Node #2: [6, 53, 25] from Operation: 65-40=25 Current State: 13:[6, 53, 25], Operations: ['65-40=25'] Exploring Operation: 53+25=78, Resulting Numbers: [6, 78] Generated Node #3: [6, 78] from Operation: 53+25=78 Current State: 13:[6, 78], Operations: ['65-40=25', '53+25=78'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[65, 40, 6, 53], Operations: [] Exploring Operation: 65-40=25, Resulting Numbers: [6, 53, 25] Generated Node #0,0: 13:[6, 53, 25] Operation: 65-40=25 Exploring Operation: 65-53=12, Resulting Numbers: [40, 6, 12] Generated Node #0,1: 13:[40, 6, 12] Operation: 65-53=12 Moving to Node #0,1 Current State: 13:[40, 6, 12], Operations: ['65-53=12'] Exploring Operation: 40-6=34, Resulting Numbers: [12, 34] Generated Node #0,1,0: 13:[12, 34] Operation: 40-6=34 Exploring Operation: 40-12=28, Resulting Numbers: [6, 28] Generated Node #0,1,1: 13:[6, 28] Operation: 40-12=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[12, 34], Operations: ['65-53=12', '40-6=34'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 12+34=46, Resulting Numbers: [46] 46,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[6, 28], Operations: ['65-53=12', '40-12=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,13 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: 13:[6, 53, 25], Operations: ['65-40=25'] Exploring Operation: 53-25=28, Resulting Numbers: [6, 28] Generated Node #0,0,0: 13:[6, 28] Operation: 53-25=28 Exploring Operation: 53-6=47, Resulting Numbers: [25, 47] Generated Node #0,0,1: 13:[25, 47] Operation: 53-6=47 Moving to Node #0,0,0 Current State: 13:[6, 28], Operations: ['65-40=25', '53-25=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[25, 47], Operations: ['65-40=25', '53-6=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,13 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 61, 54, 24, 95 ]
13
[ "54*24=1296", "1296-61=1235", "1235/95=13" ]
Current State: 13:[61, 54, 24, 95], Operations: [] Exploring Operation: 54*24=1296, Resulting Numbers: [61, 95, 1296] Generated Node #2: [61, 95, 1296] from Operation: 54*24=1296 Current State: 13:[61, 95, 1296], Operations: ['54*24=1296'] Exploring Operation: 1296-61=1235, Resulting Numbers: [95, 1235] Generated Node #3: [95, 1235] from Operation: 1296-61=1235 Current State: 13:[95, 1235], Operations: ['54*24=1296', '1296-61=1235'] Exploring Operation: 1235/95=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[61, 54, 24, 95], Operations: [] Exploring Operation: 95-61=34, Resulting Numbers: [54, 24, 34] Generated Node #0,0: 13:[54, 24, 34] Operation: 95-61=34 Exploring Operation: 61-24=37, Resulting Numbers: [54, 95, 37] Generated Node #0,1: 13:[54, 95, 37] Operation: 61-24=37 Exploring Operation: 95-54=41, Resulting Numbers: [61, 24, 41] Generated Node #0,2: 13:[61, 24, 41] Operation: 95-54=41 Exploring Operation: 61-54=7, Resulting Numbers: [24, 95, 7] Generated Node #0,3: 13:[24, 95, 7] Operation: 61-54=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[54, 24, 34], Operations: ['95-61=34'] Exploring Operation: 54-24=30, Resulting Numbers: [34, 30] Generated Node #0,0,0: 13:[34, 30] Operation: 54-24=30 Exploring Operation: 54-34=20, Resulting Numbers: [24, 20] Generated Node #0,0,1: 13:[24, 20] Operation: 54-34=20 Exploring Operation: 54+24=78, Resulting Numbers: [34, 78] Generated Node #0,0,2: 13:[34, 78] Operation: 54+24=78 Exploring Operation: 34-24=10, Resulting Numbers: [54, 10] Generated Node #0,0,3: 13:[54, 10] Operation: 34-24=10 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[24, 20], Operations: ['95-61=34', '54-34=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,13 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,13 unequal: No Solution No 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: 13:[34, 30], Operations: ['95-61=34', '54-24=30'] Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,13 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,13 unequal: No Solution No 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: 13:[54, 10], Operations: ['95-61=34', '34-24=10'] Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 54*10=540, Resulting Numbers: [540] 540,13 unequal: No Solution No 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: 13:[34, 78], Operations: ['95-61=34', '54+24=78'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,13 unequal: No Solution Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,13 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: 13:[61, 24, 41], Operations: ['95-54=41'] Exploring Operation: 41-24=17, Resulting Numbers: [61, 17] Generated Node #0,2,0: 13:[61, 17] Operation: 41-24=17 Exploring Operation: 61-41=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 13:[24, 20] Operation: 61-41=20 Exploring Operation: 61-24=37, Resulting Numbers: [41, 37] Generated Node #0,2,2: 13:[41, 37] Operation: 61-24=37 Exploring Operation: 61+24=85, Resulting Numbers: [41, 85] Generated Node #0,2,3: 13:[41, 85] Operation: 61+24=85 Moving to Node #0,2,1 Current State: 13:[24, 20], Operations: ['95-54=41', '61-41=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[41, 37], Operations: ['95-54=41', '61-24=37'] Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 41*37=1517, Resulting Numbers: [1517] 1517,13 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[61, 17], Operations: ['95-54=41', '41-24=17'] Exploring Operation: 61*17=1037, Resulting Numbers: [1037] 1037,13 unequal: No Solution Exploring Operation: 61+17=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 61-17=44, Resulting Numbers: [44] 44,13 unequal: No Solution Moving to Node #0,2,3 Current State: 13:[41, 85], Operations: ['95-54=41', '61+24=85'] Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 41*85=3485, Resulting Numbers: [3485] 3485,13 unequal: No Solution Exploring Operation: 41+85=126, Resulting Numbers: [126] 126,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[24, 95, 7], Operations: ['61-54=7'] Exploring Operation: 95-24=71, Resulting Numbers: [7, 71] Generated Node #0,3,0: 13:[7, 71] Operation: 95-24=71 Exploring Operation: 24-7=17, Resulting Numbers: [95, 17] Generated Node #0,3,1: 13:[95, 17] Operation: 24-7=17 Exploring Operation: 95-7=88, Resulting Numbers: [24, 88] Generated Node #0,3,2: 13:[24, 88] Operation: 95-7=88 Exploring Operation: 24+7=31, Resulting Numbers: [95, 31] Generated Node #0,3,3: 13:[95, 31] Operation: 24+7=31 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 13:[7, 71], Operations: ['61-54=7', '95-24=71'] Exploring Operation: 7*71=497, Resulting Numbers: [497] 497,13 unequal: No Solution Exploring Operation: 7+71=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,13 unequal: No Solution No 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: 13:[95, 17], Operations: ['61-54=7', '24-7=17'] Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,13 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,13 unequal: No Solution No 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: 13:[24, 88], Operations: ['61-54=7', '95-7=88'] Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,13 unequal: No Solution No 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: 13:[95, 31], Operations: ['61-54=7', '24+7=31'] Exploring Operation: 95*31=2945, Resulting Numbers: [2945] 2945,13 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,13 unequal: No Solution Exploring Operation: 95+31=126, Resulting Numbers: [126] 126,13 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: 13:[54, 95, 37], Operations: ['61-24=37'] Exploring Operation: 54-37=17, Resulting Numbers: [95, 17] Generated Node #0,1,0: 13:[95, 17] Operation: 54-37=17 Exploring Operation: 95-54=41, Resulting Numbers: [37, 41] Generated Node #0,1,1: 13:[37, 41] Operation: 95-54=41 Exploring Operation: 95-37=58, Resulting Numbers: [54, 58] Generated Node #0,1,2: 13:[54, 58] Operation: 95-37=58 Exploring Operation: 54+95=149, Resulting Numbers: [37, 149] Generated Node #0,1,3: 13:[37, 149] Operation: 54+95=149 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[37, 41], Operations: ['61-24=37', '95-54=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,13 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,13 unequal: No Solution No 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: 13:[95, 17], Operations: ['61-24=37', '54-37=17'] Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,13 unequal: No Solution No 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: 13:[54, 58], Operations: ['61-24=37', '95-37=58'] Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 54+58=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 54*58=3132, Resulting Numbers: [3132] 3132,13 unequal: No Solution No 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: 13:[37, 149], Operations: ['61-24=37', '54+95=149'] Exploring Operation: 149-37=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 37*149=5513, Resulting Numbers: [5513] 5513,13 unequal: No Solution Exploring Operation: 37+149=186, Resulting Numbers: [186] 186,13 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
[ 99, 59, 2, 88 ]
96
[ "99-59=40", "88-40=48", "2*48=96" ]
Current State: 96:[99, 59, 2, 88], Operations: [] Exploring Operation: 99-59=40, Resulting Numbers: [2, 88, 40] Generated Node #2: [2, 88, 40] from Operation: 99-59=40 Current State: 96:[2, 88, 40], Operations: ['99-59=40'] Exploring Operation: 88-40=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 88-40=48 Current State: 96:[2, 48], Operations: ['99-59=40', '88-40=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[99, 59, 2, 88], Operations: [] Exploring Operation: 88-59=29, Resulting Numbers: [99, 2, 29] Generated Node #0,0: 96:[99, 2, 29] Operation: 88-59=29 Moving to Node #0,0 Current State: 96:[99, 2, 29], Operations: ['88-59=29'] Exploring Operation: 99-2=97, Resulting Numbers: [29, 97] Generated Node #0,0,0: 96:[29, 97] Operation: 99-2=97 Moving to Node #0,0,0 Current State: 96:[29, 97], Operations: ['88-59=29', '99-2=97'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,96 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 60, 28, 17, 64 ]
40
[ "64-60=4", "17*4=68", "68-28=40" ]
Current State: 40:[60, 28, 17, 64], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [28, 17, 4] Generated Node #2: [28, 17, 4] from Operation: 64-60=4 Current State: 40:[28, 17, 4], Operations: ['64-60=4'] Exploring Operation: 17*4=68, Resulting Numbers: [28, 68] Generated Node #3: [28, 68] from Operation: 17*4=68 Current State: 40:[28, 68], Operations: ['64-60=4', '17*4=68'] Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[60, 28, 17, 64], Operations: [] Exploring Operation: 64-28=36, Resulting Numbers: [60, 17, 36] Generated Node #0,0: 40:[60, 17, 36] Operation: 64-28=36 Exploring Operation: 60-28=32, Resulting Numbers: [17, 64, 32] Generated Node #0,1: 40:[17, 64, 32] Operation: 60-28=32 Exploring Operation: 64-60=4, Resulting Numbers: [28, 17, 4] Generated Node #0,2: 40:[28, 17, 4] Operation: 64-60=4 Moving to Node #0,2 Current State: 40:[28, 17, 4], Operations: ['64-60=4'] Exploring Operation: 28+17=45, Resulting Numbers: [4, 45] Generated Node #0,2,0: 40:[4, 45] Operation: 28+17=45 Exploring Operation: 28/4=7, Resulting Numbers: [17, 7] Generated Node #0,2,1: 40:[17, 7] Operation: 28/4=7 Exploring Operation: 28-17=11, Resulting Numbers: [4, 11] Generated Node #0,2,2: 40:[4, 11] Operation: 28-17=11 Moving to Node #0,0 Current State: 40:[60, 17, 36], Operations: ['64-28=36'] Exploring Operation: 60-17=43, Resulting Numbers: [36, 43] Generated Node #0,0,0: 40:[36, 43] Operation: 60-17=43 Exploring Operation: 36-17=19, Resulting Numbers: [60, 19] Generated Node #0,0,1: 40:[60, 19] Operation: 36-17=19 Exploring Operation: 60-36=24, Resulting Numbers: [17, 24] Generated Node #0,0,2: 40:[17, 24] Operation: 60-36=24 Moving to Node #0,1 Current State: 40:[17, 64, 32], Operations: ['60-28=32'] Exploring Operation: 64/32=2, Resulting Numbers: [17, 2] Generated Node #0,1,0: 40:[17, 2] Operation: 64/32=2 Exploring Operation: 64-17=47, Resulting Numbers: [32, 47] Generated Node #0,1,1: 40:[32, 47] Operation: 64-17=47 Exploring Operation: 64-32=32, Resulting Numbers: [17, 32] Generated Node #0,1,2: 40:[17, 32] Operation: 64-32=32 Moving to Node #0,2,2 Current State: 40:[4, 11], Operations: ['64-60=4', '28-17=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,40 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[17, 2], Operations: ['60-28=32', '64/32=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,40 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,40 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[17, 7], Operations: ['64-60=4', '28/4=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,40 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[4, 45], Operations: ['64-60=4', '28+17=45'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,40 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[17, 24], Operations: ['64-28=36', '60-36=24'] Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,40 unequal: No Solution Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,40 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[36, 43], Operations: ['64-28=36', '60-17=43'] Exploring Operation: 36*43=1548, Resulting Numbers: [1548] 1548,40 unequal: No Solution Exploring Operation: 36+43=79, Resulting Numbers: [79] 79,40 unequal: No Solution Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,40 unequal: No Solution Moving to Node #0,1,2 Current State: 40:[17, 32], Operations: ['60-28=32', '64-32=32'] Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,40 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,40 unequal: No Solution Moving to Node #0,1,1 Current State: 40:[32, 47], Operations: ['60-28=32', '64-17=47'] Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,40 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,40 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[60, 19], Operations: ['64-28=36', '36-17=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,40 unequal: No Solution Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,40 unequal: No Solution Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,40 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 11, 4, 85, 43 ]
93
[ "43-11=32", "32/4=8", "85+8=93" ]
Current State: 93:[11, 4, 85, 43], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [4, 85, 32] Generated Node #2: [4, 85, 32] from Operation: 43-11=32 Current State: 93:[4, 85, 32], Operations: ['43-11=32'] Exploring Operation: 32/4=8, Resulting Numbers: [85, 8] Generated Node #3: [85, 8] from Operation: 32/4=8 Current State: 93:[85, 8], Operations: ['43-11=32', '32/4=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[11, 4, 85, 43], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [4, 85, 32] Generated Node #0,0: 93:[4, 85, 32] Operation: 43-11=32 Exploring Operation: 11+85=96, Resulting Numbers: [4, 43, 96] Generated Node #0,1: 93:[4, 43, 96] Operation: 11+85=96 Moving to Node #0,0 Current State: 93:[4, 85, 32], Operations: ['43-11=32'] Exploring Operation: 32-4=28, Resulting Numbers: [85, 28] Generated Node #0,0,0: 93:[85, 28] Operation: 32-4=28 Exploring Operation: 4+85=89, Resulting Numbers: [32, 89] Generated Node #0,0,1: 93:[32, 89] Operation: 4+85=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[32, 89], Operations: ['43-11=32', '4+85=89'] Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,93 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 #0,0,0 Current State: 93:[85, 28], Operations: ['43-11=32', '32-4=28'] Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,93 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[4, 43, 96], Operations: ['11+85=96'] Exploring Operation: 96-4=92, Resulting Numbers: [43, 92] Generated Node #0,1,0: 93:[43, 92] Operation: 96-4=92 Exploring Operation: 43-4=39, Resulting Numbers: [96, 39] Generated Node #0,1,1: 93:[96, 39] Operation: 43-4=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[96, 39], Operations: ['11+85=96', '43-4=39'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,93 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:[43, 92], Operations: ['11+85=96', '96-4=92'] Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,93 unequal: No Solution Exploring Operation: 43+92=135, Resulting Numbers: [135] 135,93 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
[ 26, 2, 4, 58 ]
20
[ "58-26=32", "32/2=16", "4+16=20" ]
Current State: 20:[26, 2, 4, 58], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [2, 4, 32] Generated Node #2: [2, 4, 32] from Operation: 58-26=32 Current State: 20:[2, 4, 32], Operations: ['58-26=32'] Exploring Operation: 32/2=16, Resulting Numbers: [4, 16] Generated Node #3: [4, 16] from Operation: 32/2=16 Current State: 20:[4, 16], Operations: ['58-26=32', '32/2=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[26, 2, 4, 58], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [2, 4, 32] Generated Node #0,0: 20:[2, 4, 32] Operation: 58-26=32 Exploring Operation: 58/2=29, Resulting Numbers: [26, 4, 29] Generated Node #0,1: 20:[26, 4, 29] Operation: 58/2=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 4, 32], Operations: ['58-26=32'] Exploring Operation: 32/2=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 20:[4, 16] Operation: 32/2=16 Exploring Operation: 32/4=8, Resulting Numbers: [2, 8] Generated Node #0,0,1: 20:[2, 8] Operation: 32/4=8 Moving to Node #0,0,1 Current State: 20:[2, 8], Operations: ['58-26=32', '32/4=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[4, 16], Operations: ['58-26=32', '32/2=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[26, 2, 4, 58], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [2, 4, 32] Generated Node #0,0: 20:[2, 4, 32] Operation: 58-26=32 Moving to Node #0,0 Current State: 20:[2, 4, 32], Operations: ['58-26=32'] Exploring Operation: 32/2=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 20:[4, 16] Operation: 32/2=16 Moving to Node #0,0,0 Current State: 20:[4, 16], Operations: ['58-26=32', '32/2=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 24, 70, 66, 42 ]
72
[ "42-24=18", "70-66=4", "18*4=72" ]
Current State: 72:[24, 70, 66, 42], Operations: [] Exploring Operation: 42-24=18, Resulting Numbers: [70, 66, 18] Generated Node #2: [70, 66, 18] from Operation: 42-24=18 Current State: 72:[70, 66, 18], Operations: ['42-24=18'] Exploring Operation: 70-66=4, Resulting Numbers: [18, 4] Generated Node #3: [18, 4] from Operation: 70-66=4 Current State: 72:[18, 4], Operations: ['42-24=18', '70-66=4'] Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[24, 70, 66, 42], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [24, 66, 28] Generated Node #0,0: 72:[24, 66, 28] Operation: 70-42=28 Exploring Operation: 66-42=24, Resulting Numbers: [24, 70, 24] Generated Node #0,1: 72:[24, 70, 24] Operation: 66-42=24 Exploring Operation: 70-66=4, Resulting Numbers: [24, 42, 4] Generated Node #0,2: 72:[24, 42, 4] Operation: 70-66=4 Exploring Operation: 42-24=18, Resulting Numbers: [70, 66, 18] Generated Node #0,3: 72:[70, 66, 18] Operation: 42-24=18 Moving to Node #0,1 Current State: 72:[24, 70, 24], Operations: ['66-42=24'] Exploring Operation: 70-24=46, Resulting Numbers: [24, 46] Generated Node #0,1,0: 72:[24, 46] Operation: 70-24=46 Exploring Operation: 24/24=1, Resulting Numbers: [70, 1] Generated Node #0,1,1: 72:[70, 1] Operation: 24/24=1 Exploring Operation: 24-24=0, Resulting Numbers: [70, 0] Generated Node #0,1,2: 72:[70, 0] Operation: 24-24=0 Exploring Operation: 70-24=46, Resulting Numbers: [24, 46] Generated Node #0,1,3: 72:[24, 46] Operation: 70-24=46 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 72:[70, 1], Operations: ['66-42=24', '24/24=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,72 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,72 unequal: No Solution Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,72 unequal: No Solution Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,72 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 #0,1,2 Current State: 72:[70, 0], Operations: ['66-42=24', '24-24=0'] Exploring Operation: 70*0=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 70+0=70, Resulting Numbers: [70] 70,72 unequal: No Solution Exploring Operation: 70-0=70, Resulting Numbers: [70] 70,72 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:[24, 46], Operations: ['66-42=24', '70-24=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,72 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,72 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 #0,1,3 Current State: 72:[24, 46], Operations: ['66-42=24', '70-24=46'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,72 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,72 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: 72:[24, 42, 4], Operations: ['70-66=4'] Exploring Operation: 42-4=38, Resulting Numbers: [24, 38] Generated Node #0,2,0: 72:[24, 38] Operation: 42-4=38 Exploring Operation: 24+42=66, Resulting Numbers: [4, 66] Generated Node #0,2,1: 72:[4, 66] Operation: 24+42=66 Exploring Operation: 42-24=18, Resulting Numbers: [4, 18] Generated Node #0,2,2: 72:[4, 18] Operation: 42-24=18 Exploring Operation: 24/4=6, Resulting Numbers: [42, 6] Generated Node #0,2,3: 72:[42, 6] Operation: 24/4=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 72:[4, 18], Operations: ['70-66=4', '42-24=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[24, 70, 66, 42], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [24, 42, 4] Generated Node #0,2: 72:[24, 42, 4] Operation: 70-66=4 Moving to Node #0,2 Current State: 72:[24, 42, 4], Operations: ['70-66=4'] Exploring Operation: 42-24=18, Resulting Numbers: [4, 18] Generated Node #0,2,2: 72:[4, 18] Operation: 42-24=18 Moving to Node #0,2,2 Current State: 72:[4, 18], Operations: ['70-66=4', '42-24=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 24, 71, 85, 39 ]
49
[ "24+71=95", "85-39=46", "95-46=49" ]
Current State: 49:[24, 71, 85, 39], Operations: [] Exploring Operation: 24+71=95, Resulting Numbers: [85, 39, 95] Generated Node #2: [85, 39, 95] from Operation: 24+71=95 Current State: 49:[85, 39, 95], Operations: ['24+71=95'] Exploring Operation: 85-39=46, Resulting Numbers: [95, 46] Generated Node #3: [95, 46] from Operation: 85-39=46 Current State: 49:[95, 46], Operations: ['24+71=95', '85-39=46'] Exploring Operation: 95-46=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[24, 71, 85, 39], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [24, 39, 14] Generated Node #0,0: 49:[24, 39, 14] Operation: 85-71=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[24, 39, 14], Operations: ['85-71=14'] Exploring Operation: 24-14=10, Resulting Numbers: [39, 10] Generated Node #0,0,0: 49:[39, 10] Operation: 24-14=10 Moving to Node #0,0,0 Current State: 49:[39, 10], Operations: ['85-71=14', '24-14=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[24, 71, 85, 39], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [24, 39, 14] Generated Node #0,0: 49:[24, 39, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 49:[24, 39, 14], Operations: ['85-71=14'] Exploring Operation: 24-14=10, Resulting Numbers: [39, 10] Generated Node #0,0,0: 49:[39, 10] Operation: 24-14=10 Moving to Node #0,0,0 Current State: 49:[39, 10], Operations: ['85-71=14', '24-14=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 29, 71, 49 ]
64
[ "2*71=142", "29+49=78", "142-78=64" ]
Current State: 64:[2, 29, 71, 49], Operations: [] Exploring Operation: 2*71=142, Resulting Numbers: [29, 49, 142] Generated Node #2: [29, 49, 142] from Operation: 2*71=142 Current State: 64:[29, 49, 142], Operations: ['2*71=142'] Exploring Operation: 29+49=78, Resulting Numbers: [142, 78] Generated Node #3: [142, 78] from Operation: 29+49=78 Current State: 64:[142, 78], Operations: ['2*71=142', '29+49=78'] Exploring Operation: 142-78=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[2, 29, 71, 49], Operations: [] Exploring Operation: 71-49=22, Resulting Numbers: [2, 29, 22] Generated Node #0,0: 64:[2, 29, 22] Operation: 71-49=22 Moving to Node #0,0 Current State: 64:[2, 29, 22], Operations: ['71-49=22'] Exploring Operation: 29-22=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 64:[2, 7] Operation: 29-22=7 Moving to Node #0,0,0 Current State: 64:[2, 7], Operations: ['71-49=22', '29-22=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,64 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 68, 48, 50 ]
56
[ "21*48=1008", "68-50=18", "1008/18=56" ]
Current State: 56:[21, 68, 48, 50], Operations: [] Exploring Operation: 21*48=1008, Resulting Numbers: [68, 50, 1008] Generated Node #2: [68, 50, 1008] from Operation: 21*48=1008 Current State: 56:[68, 50, 1008], Operations: ['21*48=1008'] Exploring Operation: 68-50=18, Resulting Numbers: [1008, 18] Generated Node #3: [1008, 18] from Operation: 68-50=18 Current State: 56:[1008, 18], Operations: ['21*48=1008', '68-50=18'] Exploring Operation: 1008/18=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[21, 68, 48, 50], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [68, 50, 27] Generated Node #0,0: 56:[68, 50, 27] Operation: 48-21=27 Exploring Operation: 68-48=20, Resulting Numbers: [21, 50, 20] Generated Node #0,1: 56:[21, 50, 20] Operation: 68-48=20 Moving to Node #0,0 Current State: 56:[68, 50, 27], Operations: ['48-21=27'] Exploring Operation: 50-27=23, Resulting Numbers: [68, 23] Generated Node #0,0,0: 56:[68, 23] Operation: 50-27=23 Exploring Operation: 68-50=18, Resulting Numbers: [27, 18] Generated Node #0,0,1: 56:[27, 18] Operation: 68-50=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[27, 18], Operations: ['48-21=27', '68-50=18'] Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,56 unequal: No Solution No 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: 56:[68, 23], Operations: ['48-21=27', '50-27=23'] Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,56 unequal: No Solution Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,56 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: 56:[21, 50, 20], Operations: ['68-48=20'] Exploring Operation: 50-21=29, Resulting Numbers: [20, 29] Generated Node #0,1,0: 56:[20, 29] Operation: 50-21=29 Exploring Operation: 21-20=1, Resulting Numbers: [50, 1] Generated Node #0,1,1: 56:[50, 1] Operation: 21-20=1 Moving to Node #0,1,0 Current State: 56:[20, 29], Operations: ['68-48=20', '50-21=29'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[50, 1], Operations: ['68-48=20', '21-20=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,56 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,56 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 71, 18, 49, 60 ]
42
[ "71-18=53", "60-49=11", "53-11=42" ]
Current State: 42:[71, 18, 49, 60], Operations: [] Exploring Operation: 71-18=53, Resulting Numbers: [49, 60, 53] Generated Node #2: [49, 60, 53] from Operation: 71-18=53 Current State: 42:[49, 60, 53], Operations: ['71-18=53'] Exploring Operation: 60-49=11, Resulting Numbers: [53, 11] Generated Node #3: [53, 11] from Operation: 60-49=11 Current State: 42:[53, 11], Operations: ['71-18=53', '60-49=11'] Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[71, 18, 49, 60], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [18, 49, 11] Generated Node #0,0: 42:[18, 49, 11] Operation: 71-60=11 Exploring Operation: 71-49=22, Resulting Numbers: [18, 60, 22] Generated Node #0,1: 42:[18, 60, 22] Operation: 71-49=22 Exploring Operation: 71-18=53, Resulting Numbers: [49, 60, 53] Generated Node #0,2: 42:[49, 60, 53] Operation: 71-18=53 Exploring Operation: 60-18=42, Resulting Numbers: [71, 49, 42] Generated Node #0,3: 42:[71, 49, 42] Operation: 60-18=42 Exploring Operation: 60-49=11, Resulting Numbers: [71, 18, 11] Generated Node #0,4: 42:[71, 18, 11] Operation: 60-49=11 Moving to Node #0,0 Current State: 42:[18, 49, 11], Operations: ['71-60=11'] Exploring Operation: 18+11=29, Resulting Numbers: [49, 29] Generated Node #0,0,0: 42:[49, 29] Operation: 18+11=29 Exploring Operation: 49-11=38, Resulting Numbers: [18, 38] Generated Node #0,0,1: 42:[18, 38] Operation: 49-11=38 Exploring Operation: 49-18=31, Resulting Numbers: [11, 31] Generated Node #0,0,2: 42:[11, 31] Operation: 49-18=31 Exploring Operation: 18-11=7, Resulting Numbers: [49, 7] Generated Node #0,0,3: 42:[49, 7] Operation: 18-11=7 Exploring Operation: 49+11=60, Resulting Numbers: [18, 60] Generated Node #0,0,4: 42:[18, 60] Operation: 49+11=60 Moving to Node #0,1 Current State: 42:[18, 60, 22], Operations: ['71-49=22'] Exploring Operation: 22-18=4, Resulting Numbers: [60, 4] Generated Node #0,1,0: 42:[60, 4] Operation: 22-18=4 Exploring Operation: 18+60=78, Resulting Numbers: [22, 78] Generated Node #0,1,1: 42:[22, 78] Operation: 18+60=78 Exploring Operation: 60-22=38, Resulting Numbers: [18, 38] Generated Node #0,1,2: 42:[18, 38] Operation: 60-22=38 Exploring Operation: 18+22=40, Resulting Numbers: [60, 40] Generated Node #0,1,3: 42:[60, 40] Operation: 18+22=40 Exploring Operation: 60-18=42, Resulting Numbers: [22, 42] Generated Node #0,1,4: 42:[22, 42] Operation: 60-18=42 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 42:[22, 42], Operations: ['71-49=22', '60-18=42'] Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,42 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:[18, 38], Operations: ['71-49=22', '60-22=38'] Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,42 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[60, 4], Operations: ['71-49=22', '22-18=4'] Exploring Operation: 60*4=240, Resulting Numbers: [240] 240,42 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 60+4=64, Resulting Numbers: [64] 64,42 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:[60, 40], Operations: ['71-49=22', '18+22=40'] Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,42 unequal: No Solution Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,42 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,42 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:[22, 78], Operations: ['71-49=22', '18+60=78'] Exploring Operation: 22+78=100, Resulting Numbers: [100] 100,42 unequal: No Solution Exploring Operation: 22*78=1716, Resulting Numbers: [1716] 1716,42 unequal: No Solution Exploring Operation: 78-22=56, Resulting Numbers: [56] 56,42 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: 42:[71, 18, 11], Operations: ['60-49=11'] Exploring Operation: 18+11=29, Resulting Numbers: [71, 29] Generated Node #0,4,0: 42:[71, 29] Operation: 18+11=29 Exploring Operation: 71+11=82, Resulting Numbers: [18, 82] Generated Node #0,4,1: 42:[18, 82] Operation: 71+11=82 Exploring Operation: 71-11=60, Resulting Numbers: [18, 60] Generated Node #0,4,2: 42:[18, 60] Operation: 71-11=60 Exploring Operation: 71-18=53, Resulting Numbers: [11, 53] Generated Node #0,4,3: 42:[11, 53] Operation: 71-18=53 Exploring Operation: 18-11=7, Resulting Numbers: [71, 7] Generated Node #0,4,4: 42:[71, 7] Operation: 18-11=7 Moving to Node #0,2 Current State: 42:[49, 60, 53], Operations: ['71-18=53'] Exploring Operation: 49+60=109, Resulting Numbers: [53, 109] Generated Node #0,2,0: 42:[53, 109] Operation: 49+60=109 Exploring Operation: 60-53=7, Resulting Numbers: [49, 7] Generated Node #0,2,1: 42:[49, 7] Operation: 60-53=7 Exploring Operation: 60-49=11, Resulting Numbers: [53, 11] Generated Node #0,2,2: 42:[53, 11] Operation: 60-49=11 Exploring Operation: 53-49=4, Resulting Numbers: [60, 4] Generated Node #0,2,3: 42:[60, 4] Operation: 53-49=4 Exploring Operation: 49+53=102, Resulting Numbers: [60, 102] Generated Node #0,2,4: 42:[60, 102] Operation: 49+53=102 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[49, 7], Operations: ['71-18=53', '60-53=7'] Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[71, 18, 49, 60], Operations: [] Exploring Operation: 71-18=53, Resulting Numbers: [49, 60, 53] Generated Node #0,2: 42:[49, 60, 53] Operation: 71-18=53 Moving to Node #0,2 Current State: 42:[49, 60, 53], Operations: ['71-18=53'] Exploring Operation: 60-53=7, Resulting Numbers: [49, 7] Generated Node #0,2,1: 42:[49, 7] Operation: 60-53=7 Moving to Node #0,2,1 Current State: 42:[49, 7], Operations: ['71-18=53', '60-53=7'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 43, 54, 41, 72 ]
66
[ "43+54=97", "72-41=31", "97-31=66" ]
Current State: 66:[43, 54, 41, 72], Operations: [] Exploring Operation: 43+54=97, Resulting Numbers: [41, 72, 97] Generated Node #2: [41, 72, 97] from Operation: 43+54=97 Current State: 66:[41, 72, 97], Operations: ['43+54=97'] Exploring Operation: 72-41=31, Resulting Numbers: [97, 31] Generated Node #3: [97, 31] from Operation: 72-41=31 Current State: 66:[97, 31], Operations: ['43+54=97', '72-41=31'] Exploring Operation: 97-31=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[43, 54, 41, 72], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [54, 72, 2] Generated Node #0,0: 66:[54, 72, 2] Operation: 43-41=2 Exploring Operation: 54-43=11, Resulting Numbers: [41, 72, 11] Generated Node #0,1: 66:[41, 72, 11] Operation: 54-43=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[41, 72, 11], Operations: ['54-43=11'] Exploring Operation: 72-41=31, Resulting Numbers: [11, 31] Generated Node #0,1,0: 66:[11, 31] Operation: 72-41=31 Exploring Operation: 41-11=30, Resulting Numbers: [72, 30] Generated Node #0,1,1: 66:[72, 30] Operation: 41-11=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[11, 31], Operations: ['54-43=11', '72-41=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[72, 30], Operations: ['54-43=11', '41-11=30'] Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[54, 72, 2], Operations: ['43-41=2'] Exploring Operation: 72-54=18, Resulting Numbers: [2, 18] Generated Node #0,0,0: 66:[2, 18] Operation: 72-54=18 Exploring Operation: 54/2=27, Resulting Numbers: [72, 27] Generated Node #0,0,1: 66:[72, 27] Operation: 54/2=27 Moving to Node #0,0,0 Current State: 66:[2, 18], Operations: ['43-41=2', '72-54=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[72, 27], Operations: ['43-41=2', '54/2=27'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,66 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 52, 20, 62, 34 ]
24
[ "52+20=72", "62+34=96", "96-72=24" ]
Current State: 24:[52, 20, 62, 34], Operations: [] Exploring Operation: 52+20=72, Resulting Numbers: [62, 34, 72] Generated Node #2: [62, 34, 72] from Operation: 52+20=72 Current State: 24:[62, 34, 72], Operations: ['52+20=72'] Exploring Operation: 62+34=96, Resulting Numbers: [72, 96] Generated Node #3: [72, 96] from Operation: 62+34=96 Current State: 24:[72, 96], Operations: ['52+20=72', '62+34=96'] Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[52, 20, 62, 34], Operations: [] Exploring Operation: 62-52=10, Resulting Numbers: [20, 34, 10] Generated Node #0,0: 24:[20, 34, 10] Operation: 62-52=10 Exploring Operation: 52-34=18, Resulting Numbers: [20, 62, 18] Generated Node #0,1: 24:[20, 62, 18] Operation: 52-34=18 Exploring Operation: 52-20=32, Resulting Numbers: [62, 34, 32] Generated Node #0,2: 24:[62, 34, 32] Operation: 52-20=32 Exploring Operation: 62-34=28, Resulting Numbers: [52, 20, 28] Generated Node #0,3: 24:[52, 20, 28] Operation: 62-34=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[20, 34, 10], Operations: ['62-52=10'] Exploring Operation: 20-10=10, Resulting Numbers: [34, 10] Generated Node #0,0,0: 24:[34, 10] Operation: 20-10=10 Exploring Operation: 34-20=14, Resulting Numbers: [10, 14] Generated Node #0,0,1: 24:[10, 14] Operation: 34-20=14 Exploring Operation: 34-10=24, Resulting Numbers: [20, 24] Generated Node #0,0,2: 24:[20, 24] Operation: 34-10=24 Exploring Operation: 20/10=2, Resulting Numbers: [34, 2] Generated Node #0,0,3: 24:[34, 2] Operation: 20/10=2 Moving to Node #0,0,1 Current State: 24:[10, 14], Operations: ['62-52=10', '34-20=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,24 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[52, 20, 62, 34], Operations: [] Exploring Operation: 62-52=10, Resulting Numbers: [20, 34, 10] Generated Node #0,0: 24:[20, 34, 10] Operation: 62-52=10 Moving to Node #0,0 Current State: 24:[20, 34, 10], Operations: ['62-52=10'] Exploring Operation: 34-20=14, Resulting Numbers: [10, 14] Generated Node #0,0,1: 24:[10, 14] Operation: 34-20=14 Moving to Node #0,0,1 Current State: 24:[10, 14], Operations: ['62-52=10', '34-20=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 5, 45, 71, 34 ]
96
[ "45/5=9", "71+34=105", "105-9=96" ]
Current State: 96:[5, 45, 71, 34], Operations: [] Exploring Operation: 45/5=9, Resulting Numbers: [71, 34, 9] Generated Node #2: [71, 34, 9] from Operation: 45/5=9 Current State: 96:[71, 34, 9], Operations: ['45/5=9'] Exploring Operation: 71+34=105, Resulting Numbers: [9, 105] Generated Node #3: [9, 105] from Operation: 71+34=105 Current State: 96:[9, 105], Operations: ['45/5=9', '71+34=105'] Exploring Operation: 105-9=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[5, 45, 71, 34], Operations: [] Exploring Operation: 71-34=37, Resulting Numbers: [5, 45, 37] Generated Node #0,0: 96:[5, 45, 37] Operation: 71-34=37 Exploring Operation: 71-45=26, Resulting Numbers: [5, 34, 26] Generated Node #0,1: 96:[5, 34, 26] Operation: 71-45=26 Moving to Node #0,1 Current State: 96:[5, 34, 26], Operations: ['71-45=26'] Exploring Operation: 34-26=8, Resulting Numbers: [5, 8] Generated Node #0,1,0: 96:[5, 8] Operation: 34-26=8 Exploring Operation: 5+26=31, Resulting Numbers: [34, 31] Generated Node #0,1,1: 96:[34, 31] Operation: 5+26=31 Moving to Node #0,0 Current State: 96:[5, 45, 37], Operations: ['71-34=37'] Exploring Operation: 45-37=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 96:[5, 8] Operation: 45-37=8 Exploring Operation: 37-5=32, Resulting Numbers: [45, 32] Generated Node #0,0,1: 96:[45, 32] Operation: 37-5=32 Moving to Node #0,1,0 Current State: 96:[5, 8], Operations: ['71-45=26', '34-26=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[5, 8], Operations: ['71-34=37', '45-37=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,96 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[34, 31], Operations: ['71-45=26', '5+26=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[45, 32], Operations: ['71-34=37', '37-5=32'] Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,96 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,96 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 30, 66, 90, 88 ]
51
[ "90-88=2", "30/2=15", "66-15=51" ]
Current State: 51:[30, 66, 90, 88], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [30, 66, 2] Generated Node #2: [30, 66, 2] from Operation: 90-88=2 Current State: 51:[30, 66, 2], Operations: ['90-88=2'] Exploring Operation: 30/2=15, Resulting Numbers: [66, 15] Generated Node #3: [66, 15] from Operation: 30/2=15 Current State: 51:[66, 15], Operations: ['90-88=2', '30/2=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[30, 66, 90, 88], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [66, 88, 3] Generated Node #0,0: 51:[66, 88, 3] Operation: 90/30=3 Exploring Operation: 88-66=22, Resulting Numbers: [30, 90, 22] Generated Node #0,1: 51:[30, 90, 22] Operation: 88-66=22 Exploring Operation: 90-88=2, Resulting Numbers: [30, 66, 2] Generated Node #0,2: 51:[30, 66, 2] Operation: 90-88=2 Exploring Operation: 90-30=60, Resulting Numbers: [66, 88, 60] Generated Node #0,3: 51:[66, 88, 60] Operation: 90-30=60 Exploring Operation: 90-66=24, Resulting Numbers: [30, 88, 24] Generated Node #0,4: 51:[30, 88, 24] Operation: 90-66=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[30, 66, 2], Operations: ['90-88=2'] Exploring Operation: 30/2=15, Resulting Numbers: [66, 15] Generated Node #0,2,0: 51:[66, 15] Operation: 30/2=15 Exploring Operation: 30-2=28, Resulting Numbers: [66, 28] Generated Node #0,2,1: 51:[66, 28] Operation: 30-2=28 Exploring Operation: 66-30=36, Resulting Numbers: [2, 36] Generated Node #0,2,2: 51:[2, 36] Operation: 66-30=36 Exploring Operation: 30*2=60, Resulting Numbers: [66, 60] Generated Node #0,2,3: 51:[66, 60] Operation: 30*2=60 Exploring Operation: 66-2=64, Resulting Numbers: [30, 64] Generated Node #0,2,4: 51:[30, 64] Operation: 66-2=64 Moving to Node #0,2,2 Current State: 51:[2, 36], Operations: ['90-88=2', '66-30=36'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,51 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,51 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[66, 15], Operations: ['90-88=2', '30/2=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[30, 66, 90, 88], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [30, 66, 2] Generated Node #0,2: 51:[30, 66, 2] Operation: 90-88=2 Moving to Node #0,2 Current State: 51:[30, 66, 2], Operations: ['90-88=2'] Exploring Operation: 30/2=15, Resulting Numbers: [66, 15] Generated Node #0,2,0: 51:[66, 15] Operation: 30/2=15 Moving to Node #0,2,0 Current State: 51:[66, 15], Operations: ['90-88=2', '30/2=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 59, 23, 67, 85 ]
64
[ "59+23=82", "85-67=18", "82-18=64" ]
Current State: 64:[59, 23, 67, 85], Operations: [] Exploring Operation: 59+23=82, Resulting Numbers: [67, 85, 82] Generated Node #2: [67, 85, 82] from Operation: 59+23=82 Current State: 64:[67, 85, 82], Operations: ['59+23=82'] Exploring Operation: 85-67=18, Resulting Numbers: [82, 18] Generated Node #3: [82, 18] from Operation: 85-67=18 Current State: 64:[82, 18], Operations: ['59+23=82', '85-67=18'] Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[59, 23, 67, 85], Operations: [] Exploring Operation: 85-23=62, Resulting Numbers: [59, 67, 62] Generated Node #0,0: 64:[59, 67, 62] Operation: 85-23=62 Exploring Operation: 85-59=26, Resulting Numbers: [23, 67, 26] Generated Node #0,1: 64:[23, 67, 26] Operation: 85-59=26 Exploring Operation: 85-67=18, Resulting Numbers: [59, 23, 18] Generated Node #0,2: 64:[59, 23, 18] Operation: 85-67=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[59, 67, 62], Operations: ['85-23=62'] Exploring Operation: 67-59=8, Resulting Numbers: [62, 8] Generated Node #0,0,0: 64:[62, 8] Operation: 67-59=8 Exploring Operation: 67-62=5, Resulting Numbers: [59, 5] Generated Node #0,0,1: 64:[59, 5] Operation: 67-62=5 Exploring Operation: 62-59=3, Resulting Numbers: [67, 3] Generated Node #0,0,2: 64:[67, 3] Operation: 62-59=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[62, 8], Operations: ['85-23=62', '67-59=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,64 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,64 unequal: No Solution No 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: 64:[67, 3], Operations: ['85-23=62', '62-59=3'] Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,64 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[59, 23, 67, 85], Operations: [] Exploring Operation: 85-23=62, Resulting Numbers: [59, 67, 62] Generated Node #0,0: 64:[59, 67, 62] Operation: 85-23=62 Moving to Node #0,0 Current State: 64:[59, 67, 62], Operations: ['85-23=62'] Exploring Operation: 62-59=3, Resulting Numbers: [67, 3] Generated Node #0,0,2: 64:[67, 3] Operation: 62-59=3 Moving to Node #0,0,2 Current State: 64:[67, 3], Operations: ['85-23=62', '62-59=3'] Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 41, 4, 31, 36 ]
72
[ "41+31=72", "4*36=144", "144-72=72" ]
Current State: 72:[41, 4, 31, 36], Operations: [] Exploring Operation: 41+31=72, Resulting Numbers: [4, 36, 72] Generated Node #2: [4, 36, 72] from Operation: 41+31=72 Current State: 72:[4, 36, 72], Operations: ['41+31=72'] Exploring Operation: 4*36=144, Resulting Numbers: [72, 144] Generated Node #3: [72, 144] from Operation: 4*36=144 Current State: 72:[72, 144], Operations: ['41+31=72', '4*36=144'] Exploring Operation: 144-72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[41, 4, 31, 36], Operations: [] Exploring Operation: 41-31=10, Resulting Numbers: [4, 36, 10] Generated Node #0,0: 72:[4, 36, 10] Operation: 41-31=10 Exploring Operation: 41+31=72, Resulting Numbers: [4, 36, 72] Generated Node #0,1: 72:[4, 36, 72] Operation: 41+31=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[4, 36, 72], Operations: ['41+31=72'] Exploring Operation: 36/4=9, Resulting Numbers: [72, 9] Generated Node #0,1,0: 72:[72, 9] Operation: 36/4=9 Exploring Operation: 72/4=18, Resulting Numbers: [36, 18] Generated Node #0,1,1: 72:[36, 18] Operation: 72/4=18 Moving to Node #0,1,0 Current State: 72:[72, 9], Operations: ['41+31=72', '36/4=9'] Exploring Operation: 72+9=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[36, 18], Operations: ['41+31=72', '72/4=18'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,72 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 #0,0 Current State: 72:[4, 36, 10], Operations: ['41-31=10'] Exploring Operation: 36/4=9, Resulting Numbers: [10, 9] Generated Node #0,0,0: 72:[10, 9] Operation: 36/4=9 Exploring Operation: 10-4=6, Resulting Numbers: [36, 6] Generated Node #0,0,1: 72:[36, 6] Operation: 10-4=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[36, 6], Operations: ['41-31=10', '10-4=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[10, 9], Operations: ['41-31=10', '36/4=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 58, 31, 41, 39 ]
53
[ "58-31=27", "41+39=80", "80-27=53" ]
Current State: 53:[58, 31, 41, 39], Operations: [] Exploring Operation: 58-31=27, Resulting Numbers: [41, 39, 27] Generated Node #2: [41, 39, 27] from Operation: 58-31=27 Current State: 53:[41, 39, 27], Operations: ['58-31=27'] Exploring Operation: 41+39=80, Resulting Numbers: [27, 80] Generated Node #3: [27, 80] from Operation: 41+39=80 Current State: 53:[27, 80], Operations: ['58-31=27', '41+39=80'] Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[58, 31, 41, 39], Operations: [] Exploring Operation: 31+41=72, Resulting Numbers: [58, 39, 72] Generated Node #0,0: 53:[58, 39, 72] Operation: 31+41=72 Exploring Operation: 31+39=70, Resulting Numbers: [58, 41, 70] Generated Node #0,1: 53:[58, 41, 70] Operation: 31+39=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[58, 41, 70], Operations: ['31+39=70'] Exploring Operation: 58-41=17, Resulting Numbers: [70, 17] Generated Node #0,1,0: 53:[70, 17] Operation: 58-41=17 Exploring Operation: 70-41=29, Resulting Numbers: [58, 29] Generated Node #0,1,1: 53:[58, 29] Operation: 70-41=29 Moving to Node #0,1,1 Current State: 53:[58, 29], Operations: ['31+39=70', '70-41=29'] Exploring Operation: 58-29=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 58+29=87, Resulting Numbers: [87] 87,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[70, 17], Operations: ['31+39=70', '58-41=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[58, 31, 41, 39], Operations: [] Exploring Operation: 31+39=70, Resulting Numbers: [58, 41, 70] Generated Node #0,1: 53:[58, 41, 70] Operation: 31+39=70 Moving to Node #0,1 Current State: 53:[58, 41, 70], Operations: ['31+39=70'] Exploring Operation: 58-41=17, Resulting Numbers: [70, 17] Generated Node #0,1,0: 53:[70, 17] Operation: 58-41=17 Moving to Node #0,1,0 Current State: 53:[70, 17], Operations: ['31+39=70', '58-41=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 63, 4, 9, 97 ]
49
[ "63+97=160", "160/4=40", "9+40=49" ]
Current State: 49:[63, 4, 9, 97], Operations: [] Exploring Operation: 63+97=160, Resulting Numbers: [4, 9, 160] Generated Node #2: [4, 9, 160] from Operation: 63+97=160 Current State: 49:[4, 9, 160], Operations: ['63+97=160'] Exploring Operation: 160/4=40, Resulting Numbers: [9, 40] Generated Node #3: [9, 40] from Operation: 160/4=40 Current State: 49:[9, 40], Operations: ['63+97=160', '160/4=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[63, 4, 9, 97], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [4, 9, 34] Generated Node #0,0: 49:[4, 9, 34] Operation: 97-63=34 Exploring Operation: 63-9=54, Resulting Numbers: [4, 97, 54] Generated Node #0,1: 49:[4, 97, 54] Operation: 63-9=54 Exploring Operation: 63/9=7, Resulting Numbers: [4, 97, 7] Generated Node #0,2: 49:[4, 97, 7] Operation: 63/9=7 Moving to Node #0,0 Current State: 49:[4, 9, 34], Operations: ['97-63=34'] Exploring Operation: 4+34=38, Resulting Numbers: [9, 38] Generated Node #0,0,0: 49:[9, 38] Operation: 4+34=38 Exploring Operation: 9-4=5, Resulting Numbers: [34, 5] Generated Node #0,0,1: 49:[34, 5] Operation: 9-4=5 Exploring Operation: 9+34=43, Resulting Numbers: [4, 43] Generated Node #0,0,2: 49:[4, 43] Operation: 9+34=43 Moving to Node #0,2 Current State: 49:[4, 97, 7], Operations: ['63/9=7'] Exploring Operation: 97-4=93, Resulting Numbers: [7, 93] Generated Node #0,2,0: 49:[7, 93] Operation: 97-4=93 Exploring Operation: 4+97=101, Resulting Numbers: [7, 101] Generated Node #0,2,1: 49:[7, 101] Operation: 4+97=101 Exploring Operation: 97-7=90, Resulting Numbers: [4, 90] Generated Node #0,2,2: 49:[4, 90] Operation: 97-7=90 Moving to Node #0,1 Current State: 49:[4, 97, 54], Operations: ['63-9=54'] Exploring Operation: 97-4=93, Resulting Numbers: [54, 93] Generated Node #0,1,0: 49:[54, 93] Operation: 97-4=93 Exploring Operation: 54-4=50, Resulting Numbers: [97, 50] Generated Node #0,1,1: 49:[97, 50] Operation: 54-4=50 Exploring Operation: 97-54=43, Resulting Numbers: [4, 43] Generated Node #0,1,2: 49:[4, 43] Operation: 97-54=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[4, 43], Operations: ['63-9=54', '97-54=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,49 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[54, 93], Operations: ['63-9=54', '97-4=93'] Exploring Operation: 54+93=147, Resulting Numbers: [147] 147,49 unequal: No Solution Exploring Operation: 93-54=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 54*93=5022, Resulting Numbers: [5022] 5022,49 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:[97, 50], Operations: ['63-9=54', '54-4=50'] Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,49 unequal: No Solution Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,49 unequal: No Solution Exploring Operation: 97-50=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 #0,0,2 Current State: 49:[4, 43], Operations: ['97-63=34', '9+34=43'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,49 unequal: No Solution Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[9, 38], Operations: ['97-63=34', '4+34=38'] Exploring Operation: 9*38=342, Resulting Numbers: [342] 342,49 unequal: No Solution Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,49 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[34, 5], Operations: ['97-63=34', '9-4=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,49 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[4, 90], Operations: ['63/9=7', '97-7=90'] Exploring Operation: 4*90=360, Resulting Numbers: [360] 360,49 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,49 unequal: No Solution Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[7, 93], Operations: ['63/9=7', '97-4=93'] Exploring Operation: 7*93=651, Resulting Numbers: [651] 651,49 unequal: No Solution Exploring Operation: 7+93=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[7, 101], Operations: ['63/9=7', '4+97=101'] Exploring Operation: 7+101=108, Resulting Numbers: [108] 108,49 unequal: No Solution Exploring Operation: 7*101=707, Resulting Numbers: [707] 707,49 unequal: No Solution Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,49 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 55, 6, 62, 57 ]
28
[ "57-55=2", "62-6=56", "56/2=28" ]
Current State: 28:[55, 6, 62, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [6, 62, 2] Generated Node #2: [6, 62, 2] from Operation: 57-55=2 Current State: 28:[6, 62, 2], Operations: ['57-55=2'] Exploring Operation: 62-6=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 62-6=56 Current State: 28:[2, 56], Operations: ['57-55=2', '62-6=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[55, 6, 62, 57], Operations: [] Exploring Operation: 55-6=49, Resulting Numbers: [62, 57, 49] Generated Node #0,0: 28:[62, 57, 49] Operation: 55-6=49 Exploring Operation: 62-57=5, Resulting Numbers: [55, 6, 5] Generated Node #0,1: 28:[55, 6, 5] Operation: 62-57=5 Exploring Operation: 62-55=7, Resulting Numbers: [6, 57, 7] Generated Node #0,2: 28:[6, 57, 7] Operation: 62-55=7 Exploring Operation: 57-55=2, Resulting Numbers: [6, 62, 2] Generated Node #0,3: 28:[6, 62, 2] Operation: 57-55=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[55, 6, 5], Operations: ['62-57=5'] Exploring Operation: 6-5=1, Resulting Numbers: [55, 1] Generated Node #0,1,0: 28:[55, 1] Operation: 6-5=1 Exploring Operation: 55/5=11, Resulting Numbers: [6, 11] Generated Node #0,1,1: 28:[6, 11] Operation: 55/5=11 Exploring Operation: 55-5=50, Resulting Numbers: [6, 50] Generated Node #0,1,2: 28:[6, 50] Operation: 55-5=50 Exploring Operation: 55-6=49, Resulting Numbers: [5, 49] Generated Node #0,1,3: 28:[5, 49] Operation: 55-6=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[6, 11], Operations: ['62-57=5', '55/5=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,28 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,28 unequal: No Solution No 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: 28:[5, 49], Operations: ['62-57=5', '55-6=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,28 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,28 unequal: No Solution No 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: 28:[6, 50], Operations: ['62-57=5', '55-5=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,28 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,28 unequal: No Solution No 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: 28:[55, 1], Operations: ['62-57=5', '6-5=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,28 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,28 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: 28:[6, 57, 7], Operations: ['62-55=7'] Exploring Operation: 57-6=51, Resulting Numbers: [7, 51] Generated Node #0,2,0: 28:[7, 51] Operation: 57-6=51 Exploring Operation: 6+7=13, Resulting Numbers: [57, 13] Generated Node #0,2,1: 28:[57, 13] Operation: 6+7=13 Exploring Operation: 57-7=50, Resulting Numbers: [6, 50] Generated Node #0,2,2: 28:[6, 50] Operation: 57-7=50 Exploring Operation: 7-6=1, Resulting Numbers: [57, 1] Generated Node #0,2,3: 28:[57, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[7, 51], Operations: ['62-55=7', '57-6=51'] Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 7*51=357, Resulting Numbers: [357] 357,28 unequal: No Solution Exploring Operation: 7+51=58, Resulting Numbers: [58] 58,28 unequal: No Solution No 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: 28:[6, 50], Operations: ['62-55=7', '57-7=50'] Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,28 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,28 unequal: No Solution No 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: 28:[57, 13], Operations: ['62-55=7', '6+7=13'] Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,28 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,28 unequal: No Solution No 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: 28:[57, 1], Operations: ['62-55=7', '7-6=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,28 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,28 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: 28:[6, 62, 2], Operations: ['57-55=2'] Exploring Operation: 62-2=60, Resulting Numbers: [6, 60] Generated Node #0,3,0: 28:[6, 60] Operation: 62-2=60 Exploring Operation: 62/2=31, Resulting Numbers: [6, 31] Generated Node #0,3,1: 28:[6, 31] Operation: 62/2=31 Exploring Operation: 62-6=56, Resulting Numbers: [2, 56] Generated Node #0,3,2: 28:[2, 56] Operation: 62-6=56 Exploring Operation: 6-2=4, Resulting Numbers: [62, 4] Generated Node #0,3,3: 28:[62, 4] Operation: 6-2=4 Moving to Node #0,3,1 Current State: 28:[6, 31], Operations: ['57-55=2', '62/2=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,28 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[2, 56], Operations: ['57-55=2', '62-6=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,28 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[55, 6, 62, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [6, 62, 2] Generated Node #0,3: 28:[6, 62, 2] Operation: 57-55=2 Moving to Node #0,3 Current State: 28:[6, 62, 2], Operations: ['57-55=2'] Exploring Operation: 62-6=56, Resulting Numbers: [2, 56] Generated Node #0,3,2: 28:[2, 56] Operation: 62-6=56 Moving to Node #0,3,2 Current State: 28:[2, 56], Operations: ['57-55=2', '62-6=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_4
sum_heuristic
[ 86, 81, 95, 55 ]
84
[ "86-81=5", "55/5=11", "95-11=84" ]
Current State: 84:[86, 81, 95, 55], Operations: [] Exploring Operation: 86-81=5, Resulting Numbers: [95, 55, 5] Generated Node #2: [95, 55, 5] from Operation: 86-81=5 Current State: 84:[95, 55, 5], Operations: ['86-81=5'] Exploring Operation: 55/5=11, Resulting Numbers: [95, 11] Generated Node #3: [95, 11] from Operation: 55/5=11 Current State: 84:[95, 11], Operations: ['86-81=5', '55/5=11'] Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[86, 81, 95, 55], Operations: [] Exploring Operation: 95-81=14, Resulting Numbers: [86, 55, 14] Generated Node #0,0: 84:[86, 55, 14] Operation: 95-81=14 Exploring Operation: 95-55=40, Resulting Numbers: [86, 81, 40] Generated Node #0,1: 84:[86, 81, 40] Operation: 95-55=40 Moving to Node #0,1 Current State: 84:[86, 81, 40], Operations: ['95-55=40'] Exploring Operation: 81-40=41, Resulting Numbers: [86, 41] Generated Node #0,1,0: 84:[86, 41] Operation: 81-40=41 Exploring Operation: 86-81=5, Resulting Numbers: [40, 5] Generated Node #0,1,1: 84:[40, 5] Operation: 86-81=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[86, 41], Operations: ['95-55=40', '81-40=41'] Exploring Operation: 86+41=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 86-41=45, Resulting Numbers: [45] 45,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[40, 5], Operations: ['95-55=40', '86-81=5'] Exploring Operation: 40+5=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,84 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: 84:[86, 55, 14], Operations: ['95-81=14'] Exploring Operation: 55-14=41, Resulting Numbers: [86, 41] Generated Node #0,0,0: 84:[86, 41] Operation: 55-14=41 Exploring Operation: 86-55=31, Resulting Numbers: [14, 31] Generated Node #0,0,1: 84:[14, 31] Operation: 86-55=31 Moving to Node #0,0,0 Current State: 84:[86, 41], Operations: ['95-81=14', '55-14=41'] Exploring Operation: 86-41=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 86+41=127, Resulting Numbers: [127] 127,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[14, 31], Operations: ['95-81=14', '86-55=31'] Exploring Operation: 14+31=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,84 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 51, 15, 95 ]
58
[ "15/5=3", "51*3=153", "153-95=58" ]
Current State: 58:[5, 51, 15, 95], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [51, 95, 3] Generated Node #2: [51, 95, 3] from Operation: 15/5=3 Current State: 58:[51, 95, 3], Operations: ['15/5=3'] Exploring Operation: 51*3=153, Resulting Numbers: [95, 153] Generated Node #3: [95, 153] from Operation: 51*3=153 Current State: 58:[95, 153], Operations: ['15/5=3', '51*3=153'] Exploring Operation: 153-95=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[5, 51, 15, 95], Operations: [] Exploring Operation: 95-51=44, Resulting Numbers: [5, 15, 44] Generated Node #0,0: 58:[5, 15, 44] Operation: 95-51=44 Exploring Operation: 95/5=19, Resulting Numbers: [51, 15, 19] Generated Node #0,1: 58:[51, 15, 19] Operation: 95/5=19 Moving to Node #0,0 Current State: 58:[5, 15, 44], Operations: ['95-51=44'] Exploring Operation: 44-15=29, Resulting Numbers: [5, 29] Generated Node #0,0,0: 58:[5, 29] Operation: 44-15=29 Exploring Operation: 15+44=59, Resulting Numbers: [5, 59] Generated Node #0,0,1: 58:[5, 59] Operation: 15+44=59 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[5, 29], Operations: ['95-51=44', '44-15=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,58 unequal: No Solution No 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: 58:[5, 59], Operations: ['95-51=44', '15+44=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,58 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: 58:[51, 15, 19], Operations: ['95/5=19'] Exploring Operation: 15+19=34, Resulting Numbers: [51, 34] Generated Node #0,1,0: 58:[51, 34] Operation: 15+19=34 Exploring Operation: 19-15=4, Resulting Numbers: [51, 4] Generated Node #0,1,1: 58:[51, 4] Operation: 19-15=4 Moving to Node #0,1,1 Current State: 58:[51, 4], Operations: ['95/5=19', '19-15=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[51, 34], Operations: ['95/5=19', '15+19=34'] Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 87, 3, 65, 6 ]
51
[ "87-3=84", "84/6=14", "65-14=51" ]
Current State: 51:[87, 3, 65, 6], Operations: [] Exploring Operation: 87-3=84, Resulting Numbers: [65, 6, 84] Generated Node #2: [65, 6, 84] from Operation: 87-3=84 Current State: 51:[65, 6, 84], Operations: ['87-3=84'] Exploring Operation: 84/6=14, Resulting Numbers: [65, 14] Generated Node #3: [65, 14] from Operation: 84/6=14 Current State: 51:[65, 14], Operations: ['87-3=84', '84/6=14'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[87, 3, 65, 6], Operations: [] Exploring Operation: 87/3=29, Resulting Numbers: [65, 6, 29] Generated Node #0,0: 51:[65, 6, 29] Operation: 87/3=29 Exploring Operation: 87-65=22, Resulting Numbers: [3, 6, 22] Generated Node #0,1: 51:[3, 6, 22] Operation: 87-65=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[3, 6, 22], Operations: ['87-65=22'] Exploring Operation: 6-3=3, Resulting Numbers: [22, 3] Generated Node #0,1,0: 51:[22, 3] Operation: 6-3=3 Exploring Operation: 22-6=16, Resulting Numbers: [3, 16] Generated Node #0,1,1: 51:[3, 16] Operation: 22-6=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[3, 16], Operations: ['87-65=22', '22-6=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[22, 3], Operations: ['87-65=22', '6-3=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,51 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[65, 6, 29], Operations: ['87/3=29'] Exploring Operation: 65-29=36, Resulting Numbers: [6, 36] Generated Node #0,0,0: 51:[6, 36] Operation: 65-29=36 Exploring Operation: 65-6=59, Resulting Numbers: [29, 59] Generated Node #0,0,1: 51:[29, 59] Operation: 65-6=59 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[6, 36], Operations: ['87/3=29', '65-29=36'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,51 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[29, 59], Operations: ['87/3=29', '65-6=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 55, 16, 98, 96 ]
73
[ "55+16=71", "98-96=2", "71+2=73" ]
Current State: 73:[55, 16, 98, 96], Operations: [] Exploring Operation: 55+16=71, Resulting Numbers: [98, 96, 71] Generated Node #2: [98, 96, 71] from Operation: 55+16=71 Current State: 73:[98, 96, 71], Operations: ['55+16=71'] Exploring Operation: 98-96=2, Resulting Numbers: [71, 2] Generated Node #3: [71, 2] from Operation: 98-96=2 Current State: 73:[71, 2], Operations: ['55+16=71', '98-96=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[55, 16, 98, 96], Operations: [] Exploring Operation: 55+16=71, Resulting Numbers: [98, 96, 71] Generated Node #0,0: 73:[98, 96, 71] Operation: 55+16=71 Exploring Operation: 98-16=82, Resulting Numbers: [55, 96, 82] Generated Node #0,1: 73:[55, 96, 82] Operation: 98-16=82 Moving to Node #0,0 Current State: 73:[98, 96, 71], Operations: ['55+16=71'] Exploring Operation: 98-71=27, Resulting Numbers: [96, 27] Generated Node #0,0,0: 73:[96, 27] Operation: 98-71=27 Exploring Operation: 98-96=2, Resulting Numbers: [71, 2] Generated Node #0,0,1: 73:[71, 2] Operation: 98-96=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[96, 27], Operations: ['55+16=71', '98-71=27'] Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,73 unequal: No Solution Exploring Operation: 96+27=123, Resulting Numbers: [123] 123,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[71, 2], Operations: ['55+16=71', '98-96=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,73 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[55, 16, 98, 96], Operations: [] Exploring Operation: 55+16=71, Resulting Numbers: [98, 96, 71] Generated Node #0,0: 73:[98, 96, 71] Operation: 55+16=71 Moving to Node #0,0 Current State: 73:[98, 96, 71], Operations: ['55+16=71'] Exploring Operation: 98-96=2, Resulting Numbers: [71, 2] Generated Node #0,0,1: 73:[71, 2] Operation: 98-96=2 Moving to Node #0,0,1 Current State: 73:[71, 2], Operations: ['55+16=71', '98-96=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 10, 13, 67, 10 ]
18
[ "13+67=80", "80/10=8", "10+8=18" ]
Current State: 18:[10, 13, 67, 10], Operations: [] Exploring Operation: 13+67=80, Resulting Numbers: [10, 10, 80] Generated Node #2: [10, 10, 80] from Operation: 13+67=80 Current State: 18:[10, 10, 80], Operations: ['13+67=80'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,18 equal: Goal Reached Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[10, 13, 67, 10], Operations: [] Exploring Operation: 67-13=54, Resulting Numbers: [10, 10, 54] Generated Node #0,0: 18:[10, 10, 54] Operation: 67-13=54 Moving to Node #0,0 Current State: 18:[10, 10, 54], Operations: ['67-13=54'] Exploring Operation: 54-10=44, Resulting Numbers: [10, 44] Generated Node #0,0,0: 18:[10, 44] Operation: 54-10=44 Moving to Node #0,0,0 Current State: 18:[10, 44], Operations: ['67-13=54', '54-10=44'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 17, 4, 6, 45 ]
14
[ "17-6=11", "45+11=56", "56/4=14" ]
Current State: 14:[17, 4, 6, 45], Operations: [] Exploring Operation: 17-6=11, Resulting Numbers: [4, 45, 11] Generated Node #2: [4, 45, 11] from Operation: 17-6=11 Current State: 14:[4, 45, 11], Operations: ['17-6=11'] Exploring Operation: 45+11=56, Resulting Numbers: [4, 56] Generated Node #3: [4, 56] from Operation: 45+11=56 Current State: 14:[4, 56], Operations: ['17-6=11', '45+11=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[17, 4, 6, 45], Operations: [] Exploring Operation: 45-6=39, Resulting Numbers: [17, 4, 39] Generated Node #0,0: 14:[17, 4, 39] Operation: 45-6=39 Exploring Operation: 45-4=41, Resulting Numbers: [17, 6, 41] Generated Node #0,1: 14:[17, 6, 41] Operation: 45-4=41 Exploring Operation: 45-17=28, Resulting Numbers: [4, 6, 28] Generated Node #0,2: 14:[4, 6, 28] Operation: 45-17=28 Exploring Operation: 17-4=13, Resulting Numbers: [6, 45, 13] Generated Node #0,3: 14:[6, 45, 13] Operation: 17-4=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[4, 6, 28], Operations: ['45-17=28'] Exploring Operation: 28-4=24, Resulting Numbers: [6, 24] Generated Node #0,2,0: 14:[6, 24] Operation: 28-4=24 Exploring Operation: 6-4=2, Resulting Numbers: [28, 2] Generated Node #0,2,1: 14:[28, 2] Operation: 6-4=2 Exploring Operation: 28-6=22, Resulting Numbers: [4, 22] Generated Node #0,2,2: 14:[4, 22] Operation: 28-6=22 Exploring Operation: 28/4=7, Resulting Numbers: [6, 7] Generated Node #0,2,3: 14:[6, 7] Operation: 28/4=7 Moving to Node #0,2,3 Current State: 14:[6, 7], Operations: ['45-17=28', '28/4=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[4, 22], Operations: ['45-17=28', '28-6=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,14 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[6, 24], Operations: ['45-17=28', '28-4=24'] Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,14 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,14 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[28, 2], Operations: ['45-17=28', '6-4=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[17, 4, 6, 45], Operations: [] Exploring Operation: 45-17=28, Resulting Numbers: [4, 6, 28] Generated Node #0,2: 14:[4, 6, 28] Operation: 45-17=28 Moving to Node #0,2 Current State: 14:[4, 6, 28], Operations: ['45-17=28'] Exploring Operation: 6-4=2, Resulting Numbers: [28, 2] Generated Node #0,2,1: 14:[28, 2] Operation: 6-4=2 Moving to Node #0,2,1 Current State: 14:[28, 2], Operations: ['45-17=28', '6-4=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 84, 3, 2, 19 ]
98
[ "84-3=81", "19-2=17", "81+17=98" ]
Current State: 98:[84, 3, 2, 19], Operations: [] Exploring Operation: 84-3=81, Resulting Numbers: [2, 19, 81] Generated Node #2: [2, 19, 81] from Operation: 84-3=81 Current State: 98:[2, 19, 81], Operations: ['84-3=81'] Exploring Operation: 19-2=17, Resulting Numbers: [81, 17] Generated Node #3: [81, 17] from Operation: 19-2=17 Current State: 98:[81, 17], Operations: ['84-3=81', '19-2=17'] Exploring Operation: 81+17=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[84, 3, 2, 19], Operations: [] Exploring Operation: 19-3=16, Resulting Numbers: [84, 2, 16] Generated Node #0,0: 98:[84, 2, 16] Operation: 19-3=16 Exploring Operation: 84+3=87, Resulting Numbers: [2, 19, 87] Generated Node #0,1: 98:[2, 19, 87] Operation: 84+3=87 Exploring Operation: 84+19=103, Resulting Numbers: [3, 2, 103] Generated Node #0,2: 98:[3, 2, 103] Operation: 84+19=103 Exploring Operation: 84/2=42, Resulting Numbers: [3, 19, 42] Generated Node #0,3: 98:[3, 19, 42] Operation: 84/2=42 Exploring Operation: 84-19=65, Resulting Numbers: [3, 2, 65] Generated Node #0,4: 98:[3, 2, 65] Operation: 84-19=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[3, 2, 103], Operations: ['84+19=103'] Exploring Operation: 3*2=6, Resulting Numbers: [103, 6] Generated Node #0,2,0: 98:[103, 6] Operation: 3*2=6 Exploring Operation: 3+2=5, Resulting Numbers: [103, 5] Generated Node #0,2,1: 98:[103, 5] Operation: 3+2=5 Exploring Operation: 3-2=1, Resulting Numbers: [103, 1] Generated Node #0,2,2: 98:[103, 1] Operation: 3-2=1 Exploring Operation: 103-3=100, Resulting Numbers: [2, 100] Generated Node #0,2,3: 98:[2, 100] Operation: 103-3=100 Exploring Operation: 103-2=101, Resulting Numbers: [3, 101] Generated Node #0,2,4: 98:[3, 101] Operation: 103-2=101 Moving to Node #0,2,3 Current State: 98:[2, 100], Operations: ['84+19=103', '103-3=100'] Exploring Operation: 100-2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[84, 3, 2, 19], Operations: [] Exploring Operation: 84+19=103, Resulting Numbers: [3, 2, 103] Generated Node #0,2: 98:[3, 2, 103] Operation: 84+19=103 Moving to Node #0,2 Current State: 98:[3, 2, 103], Operations: ['84+19=103'] Exploring Operation: 103-3=100, Resulting Numbers: [2, 100] Generated Node #0,2,3: 98:[2, 100] Operation: 103-3=100 Moving to Node #0,2,3 Current State: 98:[2, 100], Operations: ['84+19=103', '103-3=100'] Exploring Operation: 100-2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 53, 35, 89, 44 ]
87
[ "53+35=88", "88/44=2", "89-2=87" ]
Current State: 87:[53, 35, 89, 44], Operations: [] Exploring Operation: 53+35=88, Resulting Numbers: [89, 44, 88] Generated Node #2: [89, 44, 88] from Operation: 53+35=88 Current State: 87:[89, 44, 88], Operations: ['53+35=88'] Exploring Operation: 88/44=2, Resulting Numbers: [89, 2] Generated Node #3: [89, 2] from Operation: 88/44=2 Current State: 87:[89, 2], Operations: ['53+35=88', '88/44=2'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[53, 35, 89, 44], Operations: [] Exploring Operation: 53-44=9, Resulting Numbers: [35, 89, 9] Generated Node #0,0: 87:[35, 89, 9] Operation: 53-44=9 Moving to Node #0,0 Current State: 87:[35, 89, 9], Operations: ['53-44=9'] Exploring Operation: 35-9=26, Resulting Numbers: [89, 26] Generated Node #0,0,0: 87:[89, 26] Operation: 35-9=26 Moving to Node #0,0,0 Current State: 87:[89, 26], Operations: ['53-44=9', '35-9=26'] Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,87 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 6, 3, 2, 78 ]
67
[ "6+3=9", "78-2=76", "76-9=67" ]
Current State: 67:[6, 3, 2, 78], Operations: [] Exploring Operation: 6+3=9, Resulting Numbers: [2, 78, 9] Generated Node #2: [2, 78, 9] from Operation: 6+3=9 Current State: 67:[2, 78, 9], Operations: ['6+3=9'] Exploring Operation: 78-2=76, Resulting Numbers: [9, 76] Generated Node #3: [9, 76] from Operation: 78-2=76 Current State: 67:[9, 76], Operations: ['6+3=9', '78-2=76'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[6, 3, 2, 78], Operations: [] Exploring Operation: 6*2=12, Resulting Numbers: [3, 78, 12] Generated Node #0,0: 67:[3, 78, 12] Operation: 6*2=12 Exploring Operation: 3*2=6, Resulting Numbers: [6, 78, 6] Generated Node #0,1: 67:[6, 78, 6] Operation: 3*2=6 Exploring Operation: 6+3=9, Resulting Numbers: [2, 78, 9] Generated Node #0,2: 67:[2, 78, 9] Operation: 6+3=9 Exploring Operation: 6*3=18, Resulting Numbers: [2, 78, 18] Generated Node #0,3: 67:[2, 78, 18] Operation: 6*3=18 Moving to Node #0,3 Current State: 67:[2, 78, 18], Operations: ['6*3=18'] Exploring Operation: 2*18=36, Resulting Numbers: [78, 36] Generated Node #0,3,0: 67:[78, 36] Operation: 2*18=36 Exploring Operation: 2+18=20, Resulting Numbers: [78, 20] Generated Node #0,3,1: 67:[78, 20] Operation: 2+18=20 Exploring Operation: 78-2=76, Resulting Numbers: [18, 76] Generated Node #0,3,2: 67:[18, 76] Operation: 78-2=76 Exploring Operation: 2+78=80, Resulting Numbers: [18, 80] Generated Node #0,3,3: 67:[18, 80] Operation: 2+78=80 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 67:[78, 36], Operations: ['6*3=18', '2*18=36'] Exploring Operation: 78*36=2808, Resulting Numbers: [2808] 2808,67 unequal: No Solution Exploring Operation: 78+36=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 67:[78, 20], Operations: ['6*3=18', '2+18=20'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,67 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 67:[18, 76], Operations: ['6*3=18', '78-2=76'] Exploring Operation: 18+76=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 18*76=1368, Resulting Numbers: [1368] 1368,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 67:[18, 80], Operations: ['6*3=18', '2+78=80'] Exploring Operation: 18*80=1440, Resulting Numbers: [1440] 1440,67 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,67 unequal: No Solution Exploring Operation: 18+80=98, Resulting Numbers: [98] 98,67 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: 67:[3, 78, 12], Operations: ['6*2=12'] Exploring Operation: 78-3=75, Resulting Numbers: [12, 75] Generated Node #0,0,0: 67:[12, 75] Operation: 78-3=75 Exploring Operation: 3+12=15, Resulting Numbers: [78, 15] Generated Node #0,0,1: 67:[78, 15] Operation: 3+12=15 Exploring Operation: 78-12=66, Resulting Numbers: [3, 66] Generated Node #0,0,2: 67:[3, 66] Operation: 78-12=66 Exploring Operation: 3*12=36, Resulting Numbers: [78, 36] Generated Node #0,0,3: 67:[78, 36] Operation: 3*12=36 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[78, 36], Operations: ['6*2=12', '3*12=36'] Exploring Operation: 78+36=114, Resulting Numbers: [114] 114,67 unequal: No Solution Exploring Operation: 78*36=2808, Resulting Numbers: [2808] 2808,67 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[12, 75], Operations: ['6*2=12', '78-3=75'] Exploring Operation: 12*75=900, Resulting Numbers: [900] 900,67 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 12+75=87, Resulting Numbers: [87] 87,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[78, 15], Operations: ['6*2=12', '3+12=15'] Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,67 unequal: No Solution Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,67 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[3, 66], Operations: ['6*2=12', '78-12=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,67 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,67 unequal: No Solution Exploring Operation: 3*66=198, Resulting Numbers: [198] 198,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 67:[6, 78, 6], Operations: ['3*2=6'] Exploring Operation: 78-6=72, Resulting Numbers: [6, 72] Generated Node #0,1,0: 67:[6, 72] Operation: 78-6=72 Exploring Operation: 6+6=12, Resulting Numbers: [78, 12] Generated Node #0,1,1: 67:[78, 12] Operation: 6+6=12 Exploring Operation: 6*6=36, Resulting Numbers: [78, 36] Generated Node #0,1,2: 67:[78, 36] Operation: 6*6=36 Exploring Operation: 78-6=72, Resulting Numbers: [6, 72] Generated Node #0,1,3: 67:[6, 72] Operation: 78-6=72 Moving to Node #0,2 Current State: 67:[2, 78, 9], Operations: ['6+3=9'] Exploring Operation: 78-9=69, Resulting Numbers: [2, 69] Generated Node #0,2,0: 67:[2, 69] Operation: 78-9=69 Exploring Operation: 2*9=18, Resulting Numbers: [78, 18] Generated Node #0,2,1: 67:[78, 18] Operation: 2*9=18 Exploring Operation: 78-2=76, Resulting Numbers: [9, 76] Generated Node #0,2,2: 67:[9, 76] Operation: 78-2=76 Exploring Operation: 2+9=11, Resulting Numbers: [78, 11] Generated Node #0,2,3: 67:[78, 11] Operation: 2+9=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[78, 18], Operations: ['6+3=9', '2*9=18'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,67 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[2, 69], Operations: ['6+3=9', '78-9=69'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[6, 3, 2, 78], Operations: [] Exploring Operation: 6+3=9, Resulting Numbers: [2, 78, 9] Generated Node #0,2: 67:[2, 78, 9] Operation: 6+3=9 Moving to Node #0,2 Current State: 67:[2, 78, 9], Operations: ['6+3=9'] Exploring Operation: 78-9=69, Resulting Numbers: [2, 69] Generated Node #0,2,0: 67:[2, 69] Operation: 78-9=69 Moving to Node #0,2,0 Current State: 67:[2, 69], Operations: ['6+3=9', '78-9=69'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_4
mult_heuristic
[ 45, 64, 38, 11 ]
22
[ "64-45=19", "38*11=418", "418/19=22" ]
Current State: 22:[45, 64, 38, 11], Operations: [] Exploring Operation: 64-45=19, Resulting Numbers: [38, 11, 19] Generated Node #2: [38, 11, 19] from Operation: 64-45=19 Current State: 22:[38, 11, 19], Operations: ['64-45=19'] Exploring Operation: 38*11=418, Resulting Numbers: [19, 418] Generated Node #3: [19, 418] from Operation: 38*11=418 Current State: 22:[19, 418], Operations: ['64-45=19', '38*11=418'] Exploring Operation: 418/19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 64, 38, 11], Operations: [] Exploring Operation: 64-38=26, Resulting Numbers: [45, 11, 26] Generated Node #0,0: 22:[45, 11, 26] Operation: 64-38=26 Exploring Operation: 64-45=19, Resulting Numbers: [38, 11, 19] Generated Node #0,1: 22:[38, 11, 19] Operation: 64-45=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[38, 11, 19], Operations: ['64-45=19'] Exploring Operation: 38/19=2, Resulting Numbers: [11, 2] Generated Node #0,1,0: 22:[11, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [11, 19] Generated Node #0,1,1: 22:[11, 19] Operation: 38-19=19 Moving to Node #0,1,0 Current State: 22:[11, 2], Operations: ['64-45=19', '38/19=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[45, 64, 38, 11], Operations: [] Exploring Operation: 64-45=19, Resulting Numbers: [38, 11, 19] Generated Node #0,1: 22:[38, 11, 19] Operation: 64-45=19 Moving to Node #0,1 Current State: 22:[38, 11, 19], Operations: ['64-45=19'] Exploring Operation: 38/19=2, Resulting Numbers: [11, 2] Generated Node #0,1,0: 22:[11, 2] Operation: 38/19=2 Moving to Node #0,1,0 Current State: 22:[11, 2], Operations: ['64-45=19', '38/19=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 27, 14, 84, 36 ]
21
[ "84/14=6", "36/6=6", "27-6=21" ]
Current State: 21:[27, 14, 84, 36], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [27, 36, 6] Generated Node #2: [27, 36, 6] from Operation: 84/14=6 Current State: 21:[27, 36, 6], Operations: ['84/14=6'] Exploring Operation: 36/6=6, Resulting Numbers: [27, 6] Generated Node #3: [27, 6] from Operation: 36/6=6 Current State: 21:[27, 6], Operations: ['84/14=6', '36/6=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[27, 14, 84, 36], Operations: [] Exploring Operation: 84-27=57, Resulting Numbers: [14, 36, 57] Generated Node #0,0: 21:[14, 36, 57] Operation: 84-27=57 Exploring Operation: 84-36=48, Resulting Numbers: [27, 14, 48] Generated Node #0,1: 21:[27, 14, 48] Operation: 84-36=48 Exploring Operation: 84/14=6, Resulting Numbers: [27, 36, 6] Generated Node #0,2: 21:[27, 36, 6] Operation: 84/14=6 Moving to Node #0,2 Current State: 21:[27, 36, 6], Operations: ['84/14=6'] Exploring Operation: 36/6=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 21:[27, 6] Operation: 36/6=6 Exploring Operation: 27-6=21, Resulting Numbers: [36, 21] Generated Node #0,2,1: 21:[36, 21] Operation: 27-6=21 Exploring Operation: 36-27=9, Resulting Numbers: [6, 9] Generated Node #0,2,2: 21:[6, 9] Operation: 36-27=9 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[6, 9], Operations: ['84/14=6', '36-27=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,21 unequal: No Solution No 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: 21:[27, 6], Operations: ['84/14=6', '36/6=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[27, 14, 84, 36], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [27, 36, 6] Generated Node #0,2: 21:[27, 36, 6] Operation: 84/14=6 Moving to Node #0,2 Current State: 21:[27, 36, 6], Operations: ['84/14=6'] Exploring Operation: 36/6=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 21:[27, 6] Operation: 36/6=6 Moving to Node #0,2,0 Current State: 21:[27, 6], Operations: ['84/14=6', '36/6=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 25, 14, 78, 61 ]
81
[ "14+61=75", "75/25=3", "78+3=81" ]
Current State: 81:[25, 14, 78, 61], Operations: [] Exploring Operation: 14+61=75, Resulting Numbers: [25, 78, 75] Generated Node #2: [25, 78, 75] from Operation: 14+61=75 Current State: 81:[25, 78, 75], Operations: ['14+61=75'] Exploring Operation: 75/25=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 75/25=3 Current State: 81:[78, 3], Operations: ['14+61=75', '75/25=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[25, 14, 78, 61], Operations: [] Exploring Operation: 14+61=75, Resulting Numbers: [25, 78, 75] Generated Node #0,0: 81:[25, 78, 75] Operation: 14+61=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[25, 78, 75], Operations: ['14+61=75'] Exploring Operation: 78-75=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 81:[25, 3] Operation: 78-75=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[25, 3], Operations: ['14+61=75', '78-75=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 58, 67, 14, 84 ]
27
[ "58+67=125", "14+84=98", "125-98=27" ]
Current State: 27:[58, 67, 14, 84], Operations: [] Exploring Operation: 58+67=125, Resulting Numbers: [14, 84, 125] Generated Node #2: [14, 84, 125] from Operation: 58+67=125 Current State: 27:[14, 84, 125], Operations: ['58+67=125'] Exploring Operation: 14+84=98, Resulting Numbers: [125, 98] Generated Node #3: [125, 98] from Operation: 14+84=98 Current State: 27:[125, 98], Operations: ['58+67=125', '14+84=98'] Exploring Operation: 125-98=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[58, 67, 14, 84], Operations: [] Exploring Operation: 67-58=9, Resulting Numbers: [14, 84, 9] Generated Node #0,0: 27:[14, 84, 9] Operation: 67-58=9 Exploring Operation: 84-67=17, Resulting Numbers: [58, 14, 17] Generated Node #0,1: 27:[58, 14, 17] Operation: 84-67=17 Exploring Operation: 84-58=26, Resulting Numbers: [67, 14, 26] Generated Node #0,2: 27:[67, 14, 26] Operation: 84-58=26 Exploring Operation: 84/14=6, Resulting Numbers: [58, 67, 6] Generated Node #0,3: 27:[58, 67, 6] Operation: 84/14=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[58, 14, 17], Operations: ['84-67=17'] Exploring Operation: 58-17=41, Resulting Numbers: [14, 41] Generated Node #0,1,0: 27:[14, 41] Operation: 58-17=41 Exploring Operation: 17-14=3, Resulting Numbers: [58, 3] Generated Node #0,1,1: 27:[58, 3] Operation: 17-14=3 Exploring Operation: 58-14=44, Resulting Numbers: [17, 44] Generated Node #0,1,2: 27:[17, 44] Operation: 58-14=44 Exploring Operation: 14+17=31, Resulting Numbers: [58, 31] Generated Node #0,1,3: 27:[58, 31] Operation: 14+17=31 Moving to Node #0,1,0 Current State: 27:[14, 41], Operations: ['84-67=17', '58-17=41'] Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,27 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[58, 67, 14, 84], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [58, 14, 17] Generated Node #0,1: 27:[58, 14, 17] Operation: 84-67=17 Moving to Node #0,1 Current State: 27:[58, 14, 17], Operations: ['84-67=17'] Exploring Operation: 58-17=41, Resulting Numbers: [14, 41] Generated Node #0,1,0: 27:[14, 41] Operation: 58-17=41 Moving to Node #0,1,0 Current State: 27:[14, 41], Operations: ['84-67=17', '58-17=41'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 79, 73, 95, 73 ]
28
[ "79-73=6", "95+73=168", "168/6=28" ]
Current State: 28:[79, 73, 95, 73], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [95, 6] Generated Node #2: [95, 6] from Operation: 79-73=6 Current State: 28:[95, 6], Operations: ['79-73=6'] Exploring Operation: 95+73=168, Resulting Numbers: [6, 168] Generated Node #3: [6, 168] from Operation: 95+73=168 Current State: 28:[6, 168], Operations: ['79-73=6', '95+73=168'] Exploring Operation: 168/6=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[79, 73, 95, 73], Operations: [] Exploring Operation: 95-73=22, Resulting Numbers: [79, 73, 22] Generated Node #0,0: 28:[79, 73, 22] Operation: 95-73=22 Exploring Operation: 95-79=16, Resulting Numbers: [73, 73, 16] Generated Node #0,1: 28:[73, 73, 16] Operation: 95-79=16 Exploring Operation: 79-73=6, Resulting Numbers: [73, 95, 6] Generated Node #0,2: 28:[73, 95, 6] Operation: 79-73=6 Exploring Operation: 79-73=6, Resulting Numbers: [95, 73, 6] Generated Node #0,3: 28:[95, 73, 6] Operation: 79-73=6 Exploring Operation: 95-73=22, Resulting Numbers: [79, 73, 22] Generated Node #0,4: 28:[79, 73, 22] Operation: 95-73=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[73, 73, 16], Operations: ['95-79=16'] Exploring Operation: 73/73=1, Resulting Numbers: [16, 1] Generated Node #0,1,0: 28:[16, 1] Operation: 73/73=1 Exploring Operation: 73-73=0, Resulting Numbers: [16, 0] Generated Node #0,1,1: 28:[16, 0] Operation: 73-73=0 Exploring Operation: 73-16=57, Resulting Numbers: [73, 57] Generated Node #0,1,2: 28:[73, 57] Operation: 73-16=57 Exploring Operation: 73+16=89, Resulting Numbers: [73, 89] Generated Node #0,1,3: 28:[73, 89] Operation: 73+16=89 Exploring Operation: 73-16=57, Resulting Numbers: [73, 57] Generated Node #0,1,4: 28:[73, 57] Operation: 73-16=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[16, 1], Operations: ['95-79=16', '73/73=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,28 unequal: No Solution No 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: 28:[16, 0], Operations: ['95-79=16', '73-73=0'] Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution No 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: 28:[73, 57], Operations: ['95-79=16', '73-16=57'] Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,28 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,28 unequal: No Solution No 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: 28:[73, 57], Operations: ['95-79=16', '73-16=57'] Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,28 unequal: No Solution Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,28 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,28 unequal: No Solution No 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: 28:[73, 89], Operations: ['95-79=16', '73+16=89'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 73+89=162, Resulting Numbers: [162] 162,28 unequal: No Solution Exploring Operation: 73*89=6497, Resulting Numbers: [6497] 6497,28 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: 28:[79, 73, 22], Operations: ['95-73=22'] Exploring Operation: 73+22=95, Resulting Numbers: [79, 95] Generated Node #0,0,0: 28:[79, 95] Operation: 73+22=95 Exploring Operation: 79+22=101, Resulting Numbers: [73, 101] Generated Node #0,0,1: 28:[73, 101] Operation: 79+22=101 Exploring Operation: 79-22=57, Resulting Numbers: [73, 57] Generated Node #0,0,2: 28:[73, 57] Operation: 79-22=57 Exploring Operation: 73-22=51, Resulting Numbers: [79, 51] Generated Node #0,0,3: 28:[79, 51] Operation: 73-22=51 Exploring Operation: 79-73=6, Resulting Numbers: [22, 6] Generated Node #0,0,4: 28:[22, 6] Operation: 79-73=6 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 28:[22, 6], Operations: ['95-73=22', '79-73=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[79, 73, 95, 73], Operations: [] Exploring Operation: 95-73=22, Resulting Numbers: [79, 73, 22] Generated Node #0,0: 28:[79, 73, 22] Operation: 95-73=22 Moving to Node #0,0 Current State: 28:[79, 73, 22], Operations: ['95-73=22'] Exploring Operation: 79-73=6, Resulting Numbers: [22, 6] Generated Node #0,0,4: 28:[22, 6] Operation: 79-73=6 Moving to Node #0,0,4 Current State: 28:[22, 6], Operations: ['95-73=22', '79-73=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 80, 94, 7, 62 ]
55
[ "94-80=14", "7+62=69", "69-14=55" ]
Current State: 55:[80, 94, 7, 62], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [7, 62, 14] Generated Node #2: [7, 62, 14] from Operation: 94-80=14 Current State: 55:[7, 62, 14], Operations: ['94-80=14'] Exploring Operation: 7+62=69, Resulting Numbers: [14, 69] Generated Node #3: [14, 69] from Operation: 7+62=69 Current State: 55:[14, 69], Operations: ['94-80=14', '7+62=69'] Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[80, 94, 7, 62], Operations: [] Exploring Operation: 94-7=87, Resulting Numbers: [80, 62, 87] Generated Node #0,0: 55:[80, 62, 87] Operation: 94-7=87 Exploring Operation: 80-7=73, Resulting Numbers: [94, 62, 73] Generated Node #0,1: 55:[94, 62, 73] Operation: 80-7=73 Exploring Operation: 94-62=32, Resulting Numbers: [80, 7, 32] Generated Node #0,2: 55:[80, 7, 32] Operation: 94-62=32 Exploring Operation: 94-80=14, Resulting Numbers: [7, 62, 14] Generated Node #0,3: 55:[7, 62, 14] Operation: 94-80=14 Exploring Operation: 80-62=18, Resulting Numbers: [94, 7, 18] Generated Node #0,4: 55:[94, 7, 18] Operation: 80-62=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 55:[7, 62, 14], Operations: ['94-80=14'] Exploring Operation: 62-7=55, Resulting Numbers: [14, 55] Generated Node #0,3,0: 55:[14, 55] Operation: 62-7=55 Exploring Operation: 7+62=69, Resulting Numbers: [14, 69] Generated Node #0,3,1: 55:[14, 69] Operation: 7+62=69 Exploring Operation: 14-7=7, Resulting Numbers: [62, 7] Generated Node #0,3,2: 55:[62, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [62, 2] Generated Node #0,3,3: 55:[62, 2] Operation: 14/7=2 Exploring Operation: 62-14=48, Resulting Numbers: [7, 48] Generated Node #0,3,4: 55:[7, 48] Operation: 62-14=48 Moving to Node #0,3,0 Current State: 55:[14, 55], Operations: ['94-80=14', '62-7=55'] Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,55 unequal: No Solution Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,55 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[7, 48], Operations: ['94-80=14', '62-14=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[80, 94, 7, 62], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [7, 62, 14] Generated Node #0,3: 55:[7, 62, 14] Operation: 94-80=14 Moving to Node #0,3 Current State: 55:[7, 62, 14], Operations: ['94-80=14'] Exploring Operation: 62-14=48, Resulting Numbers: [7, 48] Generated Node #0,3,4: 55:[7, 48] Operation: 62-14=48 Moving to Node #0,3,4 Current State: 55:[7, 48], Operations: ['94-80=14', '62-14=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 29, 74, 4, 31 ]
35
[ "31-29=2", "74-4=70", "70/2=35" ]
Current State: 35:[29, 74, 4, 31], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [74, 4, 2] Generated Node #2: [74, 4, 2] from Operation: 31-29=2 Current State: 35:[74, 4, 2], Operations: ['31-29=2'] Exploring Operation: 74-4=70, Resulting Numbers: [2, 70] Generated Node #3: [2, 70] from Operation: 74-4=70 Current State: 35:[2, 70], Operations: ['31-29=2', '74-4=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[29, 74, 4, 31], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [29, 4, 43] Generated Node #0,0: 35:[29, 4, 43] Operation: 74-31=43 Exploring Operation: 74-4=70, Resulting Numbers: [29, 31, 70] Generated Node #0,1: 35:[29, 31, 70] Operation: 74-4=70 Exploring Operation: 74-29=45, Resulting Numbers: [4, 31, 45] Generated Node #0,2: 35:[4, 31, 45] Operation: 74-29=45 Exploring Operation: 29+4=33, Resulting Numbers: [74, 31, 33] Generated Node #0,3: 35:[74, 31, 33] Operation: 29+4=33 Exploring Operation: 31-29=2, Resulting Numbers: [74, 4, 2] Generated Node #0,4: 35:[74, 4, 2] Operation: 31-29=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[29, 4, 43], Operations: ['74-31=43'] Exploring Operation: 4+43=47, Resulting Numbers: [29, 47] Generated Node #0,0,0: 35:[29, 47] Operation: 4+43=47 Exploring Operation: 43-4=39, Resulting Numbers: [29, 39] Generated Node #0,0,1: 35:[29, 39] Operation: 43-4=39 Exploring Operation: 29-4=25, Resulting Numbers: [43, 25] Generated Node #0,0,2: 35:[43, 25] Operation: 29-4=25 Exploring Operation: 43-29=14, Resulting Numbers: [4, 14] Generated Node #0,0,3: 35:[4, 14] Operation: 43-29=14 Exploring Operation: 29+4=33, Resulting Numbers: [43, 33] Generated Node #0,0,4: 35:[43, 33] Operation: 29+4=33 Moving to Node #0,0,3 Current State: 35:[4, 14], Operations: ['74-31=43', '43-29=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,35 unequal: No Solution Moving to Node #0,0,4 Current State: 35:[43, 33], Operations: ['74-31=43', '29+4=33'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[29, 39], Operations: ['74-31=43', '43-4=39'] Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,35 unequal: No Solution Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[29, 47], Operations: ['74-31=43', '4+43=47'] Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,35 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[43, 25], Operations: ['74-31=43', '29-4=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 43*25=1075, Resulting Numbers: [1075] 1075,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[4, 31, 45], Operations: ['74-29=45'] Exploring Operation: 31-4=27, Resulting Numbers: [45, 27] Generated Node #0,2,0: 35:[45, 27] Operation: 31-4=27 Exploring Operation: 4+45=49, Resulting Numbers: [31, 49] Generated Node #0,2,1: 35:[31, 49] Operation: 4+45=49 Exploring Operation: 45-4=41, Resulting Numbers: [31, 41] Generated Node #0,2,2: 35:[31, 41] Operation: 45-4=41 Exploring Operation: 4+31=35, Resulting Numbers: [45, 35] Generated Node #0,2,3: 35:[45, 35] Operation: 4+31=35 Exploring Operation: 45-31=14, Resulting Numbers: [4, 14] Generated Node #0,2,4: 35:[4, 14] Operation: 45-31=14 Moving to Node #0,2,4 Current State: 35:[4, 14], Operations: ['74-29=45', '45-31=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[45, 35], Operations: ['74-29=45', '4+31=35'] Exploring Operation: 45+35=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 45*35=1575, Resulting Numbers: [1575] 1575,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[31, 41], Operations: ['74-29=45', '45-4=41'] Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 31*41=1271, Resulting Numbers: [1271] 1271,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[45, 27], Operations: ['74-29=45', '31-4=27'] Exploring Operation: 45*27=1215, Resulting Numbers: [1215] 1215,35 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 45+27=72, Resulting Numbers: [72] 72,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[31, 49], Operations: ['74-29=45', '4+45=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,35 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 35:[74, 4, 2], Operations: ['31-29=2'] Exploring Operation: 74-2=72, Resulting Numbers: [4, 72] Generated Node #0,4,0: 35:[4, 72] Operation: 74-2=72 Exploring Operation: 4+2=6, Resulting Numbers: [74, 6] Generated Node #0,4,1: 35:[74, 6] Operation: 4+2=6 Exploring Operation: 4*2=8, Resulting Numbers: [74, 8] Generated Node #0,4,2: 35:[74, 8] Operation: 4*2=8 Exploring Operation: 74-4=70, Resulting Numbers: [2, 70] Generated Node #0,4,3: 35:[2, 70] Operation: 74-4=70 Exploring Operation: 74/2=37, Resulting Numbers: [4, 37] Generated Node #0,4,4: 35:[4, 37] Operation: 74/2=37 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 35:[4, 37], Operations: ['31-29=2', '74/2=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,35 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 35:[4, 72], Operations: ['31-29=2', '74-2=72'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 4*72=288, Resulting Numbers: [288] 288,35 unequal: No Solution No 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: 35:[2, 70], Operations: ['31-29=2', '74-4=70'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[29, 74, 4, 31], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [74, 4, 2] Generated Node #0,4: 35:[74, 4, 2] Operation: 31-29=2 Moving to Node #0,4 Current State: 35:[74, 4, 2], Operations: ['31-29=2'] Exploring Operation: 74-4=70, Resulting Numbers: [2, 70] Generated Node #0,4,3: 35:[2, 70] Operation: 74-4=70 Moving to Node #0,4,3 Current State: 35:[2, 70], Operations: ['31-29=2', '74-4=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_5
sum_heuristic
[ 62, 62, 7, 24 ]
24
[ "62-62=0", "7*0=0", "24+0=24" ]
Current State: 24:[62, 62, 7, 24], Operations: [] Exploring Operation: 62-62=0, Resulting Numbers: [7, 24, 0] Generated Node #2: [7, 24, 0] from Operation: 62-62=0 Current State: 24:[7, 24, 0], Operations: ['62-62=0'] Exploring Operation: 7*0=0, Resulting Numbers: [24, 0] Generated Node #3: [24, 0] from Operation: 7*0=0 Current State: 24:[24, 0], Operations: ['62-62=0', '7*0=0'] Exploring Operation: 24+0=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[62, 62, 7, 24], Operations: [] Exploring Operation: 62-62=0, Resulting Numbers: [7, 24, 0] Generated Node #0,0: 24:[7, 24, 0] Operation: 62-62=0 Exploring Operation: 62-24=38, Resulting Numbers: [62, 7, 38] Generated Node #0,1: 24:[62, 7, 38] Operation: 62-24=38 Exploring Operation: 62/62=1, Resulting Numbers: [7, 24, 1] Generated Node #0,2: 24:[7, 24, 1] Operation: 62/62=1 Moving to Node #0,2 Current State: 24:[7, 24, 1], Operations: ['62/62=1'] Exploring Operation: 7-1=6, Resulting Numbers: [24, 6] Generated Node #0,2,0: 24:[24, 6] Operation: 7-1=6 Exploring Operation: 7*1=7, Resulting Numbers: [24, 7] Generated Node #0,2,1: 24:[24, 7] Operation: 7*1=7 Exploring Operation: 7+1=8, Resulting Numbers: [24, 8] Generated Node #0,2,2: 24:[24, 8] Operation: 7+1=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[24, 6], Operations: ['62/62=1', '7-1=6'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 24:[24, 8], Operations: ['62/62=1', '7+1=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[24, 7], Operations: ['62/62=1', '7*1=7'] Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 24:[7, 24, 0], Operations: ['62-62=0'] Exploring Operation: 24+0=24, Resulting Numbers: [7, 24] Generated Node #0,0,0: 24:[7, 24] Operation: 24+0=24 Exploring Operation: 7+0=7, Resulting Numbers: [24, 7] Generated Node #0,0,1: 24:[24, 7] Operation: 7+0=7 Exploring Operation: 7-0=7, Resulting Numbers: [24, 7] Generated Node #0,0,2: 24:[24, 7] Operation: 7-0=7 Moving to Node #0,1 Current State: 24:[62, 7, 38], Operations: ['62-24=38'] Exploring Operation: 38-7=31, Resulting Numbers: [62, 31] Generated Node #0,1,0: 24:[62, 31] Operation: 38-7=31 Exploring Operation: 62-7=55, Resulting Numbers: [38, 55] Generated Node #0,1,1: 24:[38, 55] Operation: 62-7=55 Exploring Operation: 62-38=24, Resulting Numbers: [7, 24] Generated Node #0,1,2: 24:[7, 24] Operation: 62-38=24 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[7, 24], Operations: ['62-24=38', '62-38=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[62, 31], Operations: ['62-24=38', '38-7=31'] Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[38, 55], Operations: ['62-24=38', '62-7=55'] Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,24 unequal: No Solution Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,24 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: 24:[7, 24], Operations: ['62-62=0', '24+0=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[24, 7], Operations: ['62-62=0', '7+0=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[24, 7], Operations: ['62-62=0', '7-0=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,24 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,24 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,24 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 83, 56, 59, 53 ]
10
[ "83-53=30", "59-56=3", "30/3=10" ]
Current State: 10:[83, 56, 59, 53], Operations: [] Exploring Operation: 83-53=30, Resulting Numbers: [56, 59, 30] Generated Node #2: [56, 59, 30] from Operation: 83-53=30 Current State: 10:[56, 59, 30], Operations: ['83-53=30'] Exploring Operation: 59-56=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 59-56=3 Current State: 10:[30, 3], Operations: ['83-53=30', '59-56=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[83, 56, 59, 53], Operations: [] Exploring Operation: 83-59=24, Resulting Numbers: [56, 53, 24] Generated Node #0,0: 10:[56, 53, 24] Operation: 83-59=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[56, 53, 24], Operations: ['83-59=24'] Exploring Operation: 56-53=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 10:[24, 3] Operation: 56-53=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[24, 3], Operations: ['83-59=24', '56-53=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 10, 79, 24 ]
33
[ "78+10=88", "79-24=55", "88-55=33" ]
Current State: 33:[78, 10, 79, 24], Operations: [] Exploring Operation: 78+10=88, Resulting Numbers: [79, 24, 88] Generated Node #2: [79, 24, 88] from Operation: 78+10=88 Current State: 33:[79, 24, 88], Operations: ['78+10=88'] Exploring Operation: 79-24=55, Resulting Numbers: [88, 55] Generated Node #3: [88, 55] from Operation: 79-24=55 Current State: 33:[88, 55], Operations: ['78+10=88', '79-24=55'] Exploring Operation: 88-55=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[78, 10, 79, 24], Operations: [] Exploring Operation: 79-24=55, Resulting Numbers: [78, 10, 55] Generated Node #0,0: 33:[78, 10, 55] Operation: 79-24=55 Exploring Operation: 79-78=1, Resulting Numbers: [10, 24, 1] Generated Node #0,1: 33:[10, 24, 1] Operation: 79-78=1 Exploring Operation: 79-10=69, Resulting Numbers: [78, 24, 69] Generated Node #0,2: 33:[78, 24, 69] Operation: 79-10=69 Exploring Operation: 78-10=68, Resulting Numbers: [79, 24, 68] Generated Node #0,3: 33:[79, 24, 68] Operation: 78-10=68 Exploring Operation: 78-24=54, Resulting Numbers: [10, 79, 54] Generated Node #0,4: 33:[10, 79, 54] Operation: 78-24=54 Moving to Node #0,1 Current State: 33:[10, 24, 1], Operations: ['79-78=1'] Exploring Operation: 24-10=14, Resulting Numbers: [1, 14] Generated Node #0,1,0: 33:[1, 14] Operation: 24-10=14 Exploring Operation: 10+24=34, Resulting Numbers: [1, 34] Generated Node #0,1,1: 33:[1, 34] Operation: 10+24=34 Exploring Operation: 10*1=10, Resulting Numbers: [24, 10] Generated Node #0,1,2: 33:[24, 10] Operation: 10*1=10 Exploring Operation: 24+1=25, Resulting Numbers: [10, 25] Generated Node #0,1,3: 33:[10, 25] Operation: 24+1=25 Exploring Operation: 10+1=11, Resulting Numbers: [24, 11] Generated Node #0,1,4: 33:[24, 11] Operation: 10+1=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[1, 34], Operations: ['79-78=1', '10+24=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[78, 10, 79, 24], Operations: [] Exploring Operation: 79-78=1, Resulting Numbers: [10, 24, 1] Generated Node #0,1: 33:[10, 24, 1] Operation: 79-78=1 Moving to Node #0,1 Current State: 33:[10, 24, 1], Operations: ['79-78=1'] Exploring Operation: 10+24=34, Resulting Numbers: [1, 34] Generated Node #0,1,1: 33:[1, 34] Operation: 10+24=34 Moving to Node #0,1,1 Current State: 33:[1, 34], Operations: ['79-78=1', '10+24=34'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 24, 48, 2, 20 ]
14
[ "48-24=24", "20/2=10", "24-10=14" ]
Current State: 14:[24, 48, 2, 20], Operations: [] Exploring Operation: 48-24=24, Resulting Numbers: [2, 20, 24] Generated Node #2: [2, 20, 24] from Operation: 48-24=24 Current State: 14:[2, 20, 24], Operations: ['48-24=24'] Exploring Operation: 20/2=10, Resulting Numbers: [24, 10] Generated Node #3: [24, 10] from Operation: 20/2=10 Current State: 14:[24, 10], Operations: ['48-24=24', '20/2=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[24, 48, 2, 20], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [2, 20, 2] Generated Node #0,0: 14:[2, 20, 2] Operation: 48/24=2 Moving to Node #0,0 Current State: 14:[2, 20, 2], Operations: ['48/24=2'] Exploring Operation: 20/2=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 14:[2, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[2, 10], Operations: ['48/24=2', '20/2=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,14 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
[ 48, 52, 8, 19 ]
84
[ "52-48=4", "19*4=76", "8+76=84" ]
Current State: 84:[48, 52, 8, 19], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [8, 19, 4] Generated Node #2: [8, 19, 4] from Operation: 52-48=4 Current State: 84:[8, 19, 4], Operations: ['52-48=4'] Exploring Operation: 19*4=76, Resulting Numbers: [8, 76] Generated Node #3: [8, 76] from Operation: 19*4=76 Current State: 84:[8, 76], Operations: ['52-48=4', '19*4=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[48, 52, 8, 19], Operations: [] Exploring Operation: 52-8=44, Resulting Numbers: [48, 19, 44] Generated Node #0,0: 84:[48, 19, 44] Operation: 52-8=44 Exploring Operation: 52-48=4, Resulting Numbers: [8, 19, 4] Generated Node #0,1: 84:[8, 19, 4] Operation: 52-48=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[8, 19, 4], Operations: ['52-48=4'] Exploring Operation: 19-8=11, Resulting Numbers: [4, 11] Generated Node #0,1,0: 84:[4, 11] Operation: 19-8=11 Exploring Operation: 8+19=27, Resulting Numbers: [4, 27] Generated Node #0,1,1: 84:[4, 27] Operation: 8+19=27 Moving to Node #0,1,0 Current State: 84:[4, 11], Operations: ['52-48=4', '19-8=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[4, 27], Operations: ['52-48=4', '8+19=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[48, 19, 44], Operations: ['52-8=44'] Exploring Operation: 48-19=29, Resulting Numbers: [44, 29] Generated Node #0,0,0: 84:[44, 29] Operation: 48-19=29 Exploring Operation: 48-44=4, Resulting Numbers: [19, 4] Generated Node #0,0,1: 84:[19, 4] Operation: 48-44=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[19, 4], Operations: ['52-8=44', '48-44=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[44, 29], Operations: ['52-8=44', '48-19=29'] Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,84 unequal: No Solution Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 3, 31, 11, 88 ]
86
[ "3*11=33", "31+88=119", "119-33=86" ]
Current State: 86:[3, 31, 11, 88], Operations: [] Exploring Operation: 3*11=33, Resulting Numbers: [31, 88, 33] Generated Node #2: [31, 88, 33] from Operation: 3*11=33 Current State: 86:[31, 88, 33], Operations: ['3*11=33'] Exploring Operation: 31+88=119, Resulting Numbers: [33, 119] Generated Node #3: [33, 119] from Operation: 31+88=119 Current State: 86:[33, 119], Operations: ['3*11=33', '31+88=119'] Exploring Operation: 119-33=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[3, 31, 11, 88], Operations: [] Exploring Operation: 31+11=42, Resulting Numbers: [3, 88, 42] Generated Node #0,0: 86:[3, 88, 42] Operation: 31+11=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[3, 88, 42], Operations: ['31+11=42'] Exploring Operation: 88-3=85, Resulting Numbers: [42, 85] Generated Node #0,0,0: 86:[42, 85] Operation: 88-3=85 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[42, 85], Operations: ['31+11=42', '88-3=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,86 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
mult_heuristic
[ 2, 73, 75, 53 ]
97
[ "2+73=75", "75-53=22", "75+22=97" ]
Current State: 97:[2, 73, 75, 53], Operations: [] Exploring Operation: 2+73=75, Resulting Numbers: [75, 53, 75] Generated Node #2: [75, 53, 75] from Operation: 2+73=75 Current State: 97:[75, 53, 75], Operations: ['2+73=75'] Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,97 equal: Goal Reached Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[2, 73, 75, 53], Operations: [] Exploring Operation: 2*53=106, Resulting Numbers: [73, 75, 106] Generated Node #0,0: 97:[73, 75, 106] Operation: 2*53=106 Moving to Node #0,0 Current State: 97:[73, 75, 106], Operations: ['2*53=106'] Exploring Operation: 73+75=148, Resulting Numbers: [106, 148] Generated Node #0,0,0: 97:[106, 148] Operation: 73+75=148 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[106, 148], Operations: ['2*53=106', '73+75=148'] Exploring Operation: 148-106=42, Resulting Numbers: [42] 42,97 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, 36, 51, 16 ]
42
[ "43-36=7", "51-16=35", "7+35=42" ]
Current State: 42:[43, 36, 51, 16], Operations: [] Exploring Operation: 43-36=7, Resulting Numbers: [51, 16, 7] Generated Node #2: [51, 16, 7] from Operation: 43-36=7 Current State: 42:[51, 16, 7], Operations: ['43-36=7'] Exploring Operation: 51-16=35, Resulting Numbers: [7, 35] Generated Node #3: [7, 35] from Operation: 51-16=35 Current State: 42:[7, 35], Operations: ['43-36=7', '51-16=35'] Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[43, 36, 51, 16], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [36, 16, 8] Generated Node #0,0: 42:[36, 16, 8] Operation: 51-43=8 Exploring Operation: 51-36=15, Resulting Numbers: [43, 16, 15] Generated Node #0,1: 42:[43, 16, 15] Operation: 51-36=15 Moving to Node #0,1 Current State: 42:[43, 16, 15], Operations: ['51-36=15'] Exploring Operation: 43-16=27, Resulting Numbers: [15, 27] Generated Node #0,1,0: 42:[15, 27] Operation: 43-16=27 Exploring Operation: 16-15=1, Resulting Numbers: [43, 1] Generated Node #0,1,1: 42:[43, 1] Operation: 16-15=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[43, 1], Operations: ['51-36=15', '16-15=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[43, 36, 51, 16], Operations: [] Exploring Operation: 51-36=15, Resulting Numbers: [43, 16, 15] Generated Node #0,1: 42:[43, 16, 15] Operation: 51-36=15 Moving to Node #0,1 Current State: 42:[43, 16, 15], Operations: ['51-36=15'] Exploring Operation: 16-15=1, Resulting Numbers: [43, 1] Generated Node #0,1,1: 42:[43, 1] Operation: 16-15=1 Moving to Node #0,1,1 Current State: 42:[43, 1], Operations: ['51-36=15', '16-15=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 80, 9, 44, 19 ]
26
[ "80+9=89", "44+19=63", "89-63=26" ]
Current State: 26:[80, 9, 44, 19], Operations: [] Exploring Operation: 80+9=89, Resulting Numbers: [44, 19, 89] Generated Node #2: [44, 19, 89] from Operation: 80+9=89 Current State: 26:[44, 19, 89], Operations: ['80+9=89'] Exploring Operation: 44+19=63, Resulting Numbers: [89, 63] Generated Node #3: [89, 63] from Operation: 44+19=63 Current State: 26:[89, 63], Operations: ['80+9=89', '44+19=63'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[80, 9, 44, 19], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [9, 19, 36] Generated Node #0,0: 26:[9, 19, 36] Operation: 80-44=36 Exploring Operation: 80-19=61, Resulting Numbers: [9, 44, 61] Generated Node #0,1: 26:[9, 44, 61] Operation: 80-19=61 Moving to Node #0,0 Current State: 26:[9, 19, 36], Operations: ['80-44=36'] Exploring Operation: 36/9=4, Resulting Numbers: [19, 4] Generated Node #0,0,0: 26:[19, 4] Operation: 36/9=4 Exploring Operation: 36-9=27, Resulting Numbers: [19, 27] Generated Node #0,0,1: 26:[19, 27] Operation: 36-9=27 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[19, 27], Operations: ['80-44=36', '36-9=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,26 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[19, 4], Operations: ['80-44=36', '36/9=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,26 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: 26:[9, 44, 61], Operations: ['80-19=61'] Exploring Operation: 61-44=17, Resulting Numbers: [9, 17] Generated Node #0,1,0: 26:[9, 17] Operation: 61-44=17 Exploring Operation: 44-9=35, Resulting Numbers: [61, 35] Generated Node #0,1,1: 26:[61, 35] Operation: 44-9=35 Moving to Node #0,1,0 Current State: 26:[9, 17], Operations: ['80-19=61', '61-44=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[80, 9, 44, 19], Operations: [] Exploring Operation: 80-19=61, Resulting Numbers: [9, 44, 61] Generated Node #0,1: 26:[9, 44, 61] Operation: 80-19=61 Moving to Node #0,1 Current State: 26:[9, 44, 61], Operations: ['80-19=61'] Exploring Operation: 61-44=17, Resulting Numbers: [9, 17] Generated Node #0,1,0: 26:[9, 17] Operation: 61-44=17 Moving to Node #0,1,0 Current State: 26:[9, 17], Operations: ['80-19=61', '61-44=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 13, 42, 95, 42 ]
82
[ "13+42=55", "95+42=137", "137-55=82" ]
Current State: 82:[13, 42, 95, 42], Operations: [] Exploring Operation: 13+42=55, Resulting Numbers: [95, 55] Generated Node #2: [95, 55] from Operation: 13+42=55 Current State: 82:[95, 55], Operations: ['13+42=55'] Exploring Operation: 95+42=137, Resulting Numbers: [55, 137] Generated Node #3: [55, 137] from Operation: 95+42=137 Current State: 82:[55, 137], Operations: ['13+42=55', '95+42=137'] Exploring Operation: 137-55=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[13, 42, 95, 42], Operations: [] Exploring Operation: 95-13=82, Resulting Numbers: [42, 42, 82] Generated Node #0,0: 82:[42, 42, 82] Operation: 95-13=82 Moving to Node #0,0 Current State: 82:[42, 42, 82], Operations: ['95-13=82'] Exploring Operation: 42/42=1, Resulting Numbers: [82, 1] Generated Node #0,0,0: 82:[82, 1] Operation: 42/42=1 Moving to Node #0,0,0 Current State: 82:[82, 1], Operations: ['95-13=82', '42/42=1'] Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[13, 42, 95, 42], Operations: [] Exploring Operation: 95-13=82, Resulting Numbers: [42, 42, 82] Generated Node #0,0: 82:[42, 42, 82] Operation: 95-13=82 Moving to Node #0,0 Current State: 82:[42, 42, 82], Operations: ['95-13=82'] Exploring Operation: 42/42=1, Resulting Numbers: [82, 1] Generated Node #0,0,0: 82:[82, 1] Operation: 42/42=1 Moving to Node #0,0,0 Current State: 82:[82, 1], Operations: ['95-13=82', '42/42=1'] Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 48, 34, 97, 82 ]
97
[ "48+34=82", "97+82=179", "179-82=97" ]
Current State: 97:[48, 34, 97, 82], Operations: [] Exploring Operation: 48+34=82, Resulting Numbers: [97, 82, 82] Generated Node #2: [97, 82, 82] from Operation: 48+34=82 Current State: 97:[97, 82, 82], Operations: ['48+34=82'] Exploring Operation: 97+82=179, Resulting Numbers: [179] 179,97 equal: Goal Reached Exploring Operation: 179-82=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[48, 34, 97, 82], Operations: [] Exploring Operation: 48+34=82, Resulting Numbers: [97, 82, 82] Generated Node #0,0: 97:[97, 82, 82] Operation: 48+34=82 Moving to Node #0,0 Current State: 97:[97, 82, 82], Operations: ['48+34=82'] Exploring Operation: 82+82=164, Resulting Numbers: [97, 164] Generated Node #0,0,0: 97:[97, 164] Operation: 82+82=164 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[97, 164], Operations: ['48+34=82', '82+82=164'] Exploring Operation: 164-97=67, Resulting Numbers: [67] 67,97 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, 18, 77, 13 ]
16
[ "22-18=4", "77-13=64", "64/4=16" ]
Current State: 16:[22, 18, 77, 13], Operations: [] Exploring Operation: 22-18=4, Resulting Numbers: [77, 13, 4] Generated Node #2: [77, 13, 4] from Operation: 22-18=4 Current State: 16:[77, 13, 4], Operations: ['22-18=4'] Exploring Operation: 77-13=64, Resulting Numbers: [4, 64] Generated Node #3: [4, 64] from Operation: 77-13=64 Current State: 16:[4, 64], Operations: ['22-18=4', '77-13=64'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[22, 18, 77, 13], Operations: [] Exploring Operation: 77-13=64, Resulting Numbers: [22, 18, 64] Generated Node #0,0: 16:[22, 18, 64] Operation: 77-13=64 Exploring Operation: 77-18=59, Resulting Numbers: [22, 13, 59] Generated Node #0,1: 16:[22, 13, 59] Operation: 77-18=59 Exploring Operation: 77-22=55, Resulting Numbers: [18, 13, 55] Generated Node #0,2: 16:[18, 13, 55] Operation: 77-22=55 Exploring Operation: 22-18=4, Resulting Numbers: [77, 13, 4] Generated Node #0,3: 16:[77, 13, 4] Operation: 22-18=4 Exploring Operation: 22-13=9, Resulting Numbers: [18, 77, 9] Generated Node #0,4: 16:[18, 77, 9] Operation: 22-13=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[18, 13, 55], Operations: ['77-22=55'] Exploring Operation: 55-18=37, Resulting Numbers: [13, 37] Generated Node #0,2,0: 16:[13, 37] Operation: 55-18=37 Exploring Operation: 13+55=68, Resulting Numbers: [18, 68] Generated Node #0,2,1: 16:[18, 68] Operation: 13+55=68 Exploring Operation: 55-13=42, Resulting Numbers: [18, 42] Generated Node #0,2,2: 16:[18, 42] Operation: 55-13=42 Exploring Operation: 18-13=5, Resulting Numbers: [55, 5] Generated Node #0,2,3: 16:[55, 5] Operation: 18-13=5 Exploring Operation: 18+13=31, Resulting Numbers: [55, 31] Generated Node #0,2,4: 16:[55, 31] Operation: 18+13=31 Moving to Node #0,2,0 Current State: 16:[13, 37], Operations: ['77-22=55', '55-18=37'] Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 13*37=481, Resulting Numbers: [481] 481,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[18, 42], Operations: ['77-22=55', '55-13=42'] Exploring Operation: 18*42=756, Resulting Numbers: [756] 756,16 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[55, 5], Operations: ['77-22=55', '18-13=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,16 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[18, 68], Operations: ['77-22=55', '13+55=68'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,16 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,16 unequal: No Solution Moving to Node #0,2,4 Current State: 16:[55, 31], Operations: ['77-22=55', '18+13=31'] Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,16 unequal: No Solution Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,16 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,16 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 Current State: 16:[22, 13, 59], Operations: ['77-18=59'] Exploring Operation: 22-13=9, Resulting Numbers: [59, 9] Generated Node #0,1,0: 16:[59, 9] Operation: 22-13=9 Exploring Operation: 59-22=37, Resulting Numbers: [13, 37] Generated Node #0,1,1: 16:[13, 37] Operation: 59-22=37 Exploring Operation: 13+59=72, Resulting Numbers: [22, 72] Generated Node #0,1,2: 16:[22, 72] Operation: 13+59=72 Exploring Operation: 59-13=46, Resulting Numbers: [22, 46] Generated Node #0,1,3: 16:[22, 46] Operation: 59-13=46 Exploring Operation: 22+13=35, Resulting Numbers: [59, 35] Generated Node #0,1,4: 16:[59, 35] Operation: 22+13=35 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[13, 37], Operations: ['77-18=59', '59-22=37'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 13*37=481, Resulting Numbers: [481] 481,16 unequal: No Solution Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,16 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 #0,1,3 Current State: 16:[22, 46], Operations: ['77-18=59', '59-13=46'] Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[59, 9], Operations: ['77-18=59', '22-13=9'] Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,16 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[22, 72], Operations: ['77-18=59', '13+59=72'] Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,16 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,16 unequal: No Solution Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,16 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 #0,1,4 Current State: 16:[59, 35], Operations: ['77-18=59', '22+13=35'] Exploring Operation: 59+35=94, Resulting Numbers: [94] 94,16 unequal: No Solution Exploring Operation: 59*35=2065, Resulting Numbers: [2065] 2065,16 unequal: No Solution Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,16 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:[22, 18, 64], Operations: ['77-13=64'] Exploring Operation: 64-22=42, Resulting Numbers: [18, 42] Generated Node #0,0,0: 16:[18, 42] Operation: 64-22=42 Exploring Operation: 22-18=4, Resulting Numbers: [64, 4] Generated Node #0,0,1: 16:[64, 4] Operation: 22-18=4 Exploring Operation: 22+18=40, Resulting Numbers: [64, 40] Generated Node #0,0,2: 16:[64, 40] Operation: 22+18=40 Exploring Operation: 64-18=46, Resulting Numbers: [22, 46] Generated Node #0,0,3: 16:[22, 46] Operation: 64-18=46 Exploring Operation: 22+64=86, Resulting Numbers: [18, 86] Generated Node #0,0,4: 16:[18, 86] Operation: 22+64=86 Moving to Node #0,0,0 Current State: 16:[18, 42], Operations: ['77-13=64', '64-22=42'] Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 18*42=756, Resulting Numbers: [756] 756,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[22, 46], Operations: ['77-13=64', '64-18=46'] Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,16 unequal: No Solution Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[64, 4], Operations: ['77-13=64', '22-18=4'] 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:[22, 18, 77, 13], Operations: [] Exploring Operation: 77-13=64, Resulting Numbers: [22, 18, 64] Generated Node #0,0: 16:[22, 18, 64] Operation: 77-13=64 Moving to Node #0,0 Current State: 16:[22, 18, 64], Operations: ['77-13=64'] Exploring Operation: 22-18=4, Resulting Numbers: [64, 4] Generated Node #0,0,1: 16:[64, 4] Operation: 22-18=4 Moving to Node #0,0,1 Current State: 16:[64, 4], Operations: ['77-13=64', '22-18=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_5
mult_heuristic
[ 10, 31, 56, 80 ]
79
[ "80/10=8", "31+56=87", "87-8=79" ]
Current State: 79:[10, 31, 56, 80], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [31, 56, 8] Generated Node #2: [31, 56, 8] from Operation: 80/10=8 Current State: 79:[31, 56, 8], Operations: ['80/10=8'] Exploring Operation: 31+56=87, Resulting Numbers: [8, 87] Generated Node #3: [8, 87] from Operation: 31+56=87 Current State: 79:[8, 87], Operations: ['80/10=8', '31+56=87'] Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[10, 31, 56, 80], Operations: [] Exploring Operation: 10+31=41, Resulting Numbers: [56, 80, 41] Generated Node #0,0: 79:[56, 80, 41] Operation: 10+31=41 Exploring Operation: 10+56=66, Resulting Numbers: [31, 80, 66] Generated Node #0,1: 79:[31, 80, 66] Operation: 10+56=66 Moving to Node #0,0 Current State: 79:[56, 80, 41], Operations: ['10+31=41'] Exploring Operation: 80-41=39, Resulting Numbers: [56, 39] Generated Node #0,0,0: 79:[56, 39] Operation: 80-41=39 Exploring Operation: 56+41=97, Resulting Numbers: [80, 97] Generated Node #0,0,1: 79:[80, 97] Operation: 56+41=97 Moving to Node #0,1 Current State: 79:[31, 80, 66], Operations: ['10+56=66'] Exploring Operation: 31+66=97, Resulting Numbers: [80, 97] Generated Node #0,1,0: 79:[80, 97] Operation: 31+66=97 Exploring Operation: 80-31=49, Resulting Numbers: [66, 49] Generated Node #0,1,1: 79:[66, 49] Operation: 80-31=49 Moving to Node #0,0,1 Current State: 79:[80, 97], Operations: ['10+31=41', '56+41=97'] Exploring Operation: 97-80=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 80+97=177, Resulting Numbers: [177] 177,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[80, 97], Operations: ['10+56=66', '31+66=97'] Exploring Operation: 80+97=177, Resulting Numbers: [177] 177,79 unequal: No Solution Exploring Operation: 97-80=17, Resulting Numbers: [17] 17,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[66, 49], Operations: ['10+56=66', '80-31=49'] Exploring Operation: 66+49=115, Resulting Numbers: [115] 115,79 unequal: No Solution Exploring Operation: 66-49=17, Resulting Numbers: [17] 17,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[56, 39], Operations: ['10+31=41', '80-41=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,79 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 48, 57, 66 ]
85
[ "86-48=38", "57+66=123", "123-38=85" ]
Current State: 85:[86, 48, 57, 66], Operations: [] Exploring Operation: 86-48=38, Resulting Numbers: [57, 66, 38] Generated Node #2: [57, 66, 38] from Operation: 86-48=38 Current State: 85:[57, 66, 38], Operations: ['86-48=38'] Exploring Operation: 57+66=123, Resulting Numbers: [38, 123] Generated Node #3: [38, 123] from Operation: 57+66=123 Current State: 85:[38, 123], Operations: ['86-48=38', '57+66=123'] Exploring Operation: 123-38=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[86, 48, 57, 66], Operations: [] Exploring Operation: 66-48=18, Resulting Numbers: [86, 57, 18] Generated Node #0,0: 85:[86, 57, 18] Operation: 66-48=18 Exploring Operation: 66-57=9, Resulting Numbers: [86, 48, 9] Generated Node #0,1: 85:[86, 48, 9] Operation: 66-57=9 Exploring Operation: 57-48=9, Resulting Numbers: [86, 66, 9] Generated Node #0,2: 85:[86, 66, 9] Operation: 57-48=9 Moving to Node #0,2 Current State: 85:[86, 66, 9], Operations: ['57-48=9'] Exploring Operation: 66+9=75, Resulting Numbers: [86, 75] Generated Node #0,2,0: 85:[86, 75] Operation: 66+9=75 Exploring Operation: 86-9=77, Resulting Numbers: [66, 77] Generated Node #0,2,1: 85:[66, 77] Operation: 86-9=77 Exploring Operation: 86-66=20, Resulting Numbers: [9, 20] Generated Node #0,2,2: 85:[9, 20] Operation: 86-66=20 Moving to Node #0,0 Current State: 85:[86, 57, 18], Operations: ['66-48=18'] Exploring Operation: 57-18=39, Resulting Numbers: [86, 39] Generated Node #0,0,0: 85:[86, 39] Operation: 57-18=39 Exploring Operation: 57+18=75, Resulting Numbers: [86, 75] Generated Node #0,0,1: 85:[86, 75] Operation: 57+18=75 Exploring Operation: 86-57=29, Resulting Numbers: [18, 29] Generated Node #0,0,2: 85:[18, 29] Operation: 86-57=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[86, 75], Operations: ['66-48=18', '57+18=75'] Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,85 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 85:[18, 29], Operations: ['66-48=18', '86-57=29'] Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,85 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[86, 39], Operations: ['66-48=18', '57-18=39'] Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,85 unequal: No Solution Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,85 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 85:[86, 48, 9], Operations: ['66-57=9'] Exploring Operation: 48-9=39, Resulting Numbers: [86, 39] Generated Node #0,1,0: 85:[86, 39] Operation: 48-9=39 Exploring Operation: 86-48=38, Resulting Numbers: [9, 38] Generated Node #0,1,1: 85:[9, 38] Operation: 86-48=38 Exploring Operation: 48+9=57, Resulting Numbers: [86, 57] Generated Node #0,1,2: 85:[86, 57] Operation: 48+9=57 Moving to Node #0,2,2 Current State: 85:[9, 20], Operations: ['57-48=9', '86-66=20'] Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,85 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[86, 75], Operations: ['57-48=9', '66+9=75'] Exploring Operation: 86*75=6450, Resulting Numbers: [6450] 6450,85 unequal: No Solution Exploring Operation: 86+75=161, Resulting Numbers: [161] 161,85 unequal: No Solution Exploring Operation: 86-75=11, Resulting Numbers: [11] 11,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[86, 39], Operations: ['66-57=9', '48-9=39'] Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,85 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[9, 38], Operations: ['66-57=9', '86-48=38'] Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 9*38=342, Resulting Numbers: [342] 342,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[66, 77], Operations: ['57-48=9', '86-9=77'] Exploring Operation: 66+77=143, Resulting Numbers: [143] 143,85 unequal: No Solution Exploring Operation: 66*77=5082, Resulting Numbers: [5082] 5082,85 unequal: No Solution Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[86, 57], Operations: ['66-57=9', '48+9=57'] Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 86+57=143, Resulting Numbers: [143] 143,85 unequal: No Solution Exploring Operation: 86*57=4902, Resulting Numbers: [4902] 4902,85 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 36, 31, 78, 78 ]
68
[ "36+31=67", "78/78=1", "67+1=68" ]
Current State: 68:[36, 31, 78, 78], Operations: [] Exploring Operation: 36+31=67, Resulting Numbers: [78, 78, 67] Generated Node #2: [78, 78, 67] from Operation: 36+31=67 Current State: 68:[78, 78, 67], Operations: ['36+31=67'] Exploring Operation: 78/78=1, Resulting Numbers: [67, 1] Generated Node #3: [67, 1] from Operation: 78/78=1 Current State: 68:[67, 1], Operations: ['36+31=67', '78/78=1'] Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[36, 31, 78, 78], Operations: [] Exploring Operation: 36+31=67, Resulting Numbers: [78, 78, 67] Generated Node #0,0: 68:[78, 78, 67] Operation: 36+31=67 Exploring Operation: 36-31=5, Resulting Numbers: [78, 78, 5] Generated Node #0,1: 68:[78, 78, 5] Operation: 36-31=5 Exploring Operation: 78-78=0, Resulting Numbers: [36, 31, 0] Generated Node #0,2: 68:[36, 31, 0] Operation: 78-78=0 Exploring Operation: 78/78=1, Resulting Numbers: [36, 31, 1] Generated Node #0,3: 68:[36, 31, 1] Operation: 78/78=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[36, 31, 1], Operations: ['78/78=1'] Exploring Operation: 36-31=5, Resulting Numbers: [1, 5] Generated Node #0,3,0: 68:[1, 5] Operation: 36-31=5 Exploring Operation: 36+31=67, Resulting Numbers: [1, 67] Generated Node #0,3,1: 68:[1, 67] Operation: 36+31=67 Exploring Operation: 36-1=35, Resulting Numbers: [31, 35] Generated Node #0,3,2: 68:[31, 35] Operation: 36-1=35 Exploring Operation: 31+1=32, Resulting Numbers: [36, 32] Generated Node #0,3,3: 68:[36, 32] Operation: 31+1=32 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 68:[1, 5], Operations: ['78/78=1', '36-31=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,68 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,68 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 1+5=6, Resulting Numbers: [6] 6,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 68:[1, 67], Operations: ['78/78=1', '36+31=67'] Exploring Operation: 1*67=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,68 unequal: No Solution Exploring Operation: 1+67=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[36, 31, 78, 78], Operations: [] Exploring Operation: 78/78=1, Resulting Numbers: [36, 31, 1] Generated Node #0,3: 68:[36, 31, 1] Operation: 78/78=1 Moving to Node #0,3 Current State: 68:[36, 31, 1], Operations: ['78/78=1'] Exploring Operation: 36+31=67, Resulting Numbers: [1, 67] Generated Node #0,3,1: 68:[1, 67] Operation: 36+31=67 Moving to Node #0,3,1 Current State: 68:[1, 67], Operations: ['78/78=1', '36+31=67'] Exploring Operation: 1+67=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 90, 39, 3, 36 ]
81
[ "90+36=126", "126/3=42", "39+42=81" ]
Current State: 81:[90, 39, 3, 36], Operations: [] Exploring Operation: 90+36=126, Resulting Numbers: [39, 3, 126] Generated Node #2: [39, 3, 126] from Operation: 90+36=126 Current State: 81:[39, 3, 126], Operations: ['90+36=126'] Exploring Operation: 126/3=42, Resulting Numbers: [39, 42] Generated Node #3: [39, 42] from Operation: 126/3=42 Current State: 81:[39, 42], Operations: ['90+36=126', '126/3=42'] Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[90, 39, 3, 36], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [90, 3, 3] Generated Node #0,0: 81:[90, 3, 3] Operation: 39-36=3 Exploring Operation: 39+36=75, Resulting Numbers: [90, 3, 75] Generated Node #0,1: 81:[90, 3, 75] Operation: 39+36=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[90, 3, 3], Operations: ['39-36=3'] Exploring Operation: 90/3=30, Resulting Numbers: [3, 30] Generated Node #0,0,0: 81:[3, 30] Operation: 90/3=30 Exploring Operation: 90/3=30, Resulting Numbers: [3, 30] Generated Node #0,0,1: 81:[3, 30] Operation: 90/3=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[3, 30], Operations: ['39-36=3', '90/3=30'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,81 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,81 unequal: No Solution No 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: 81:[3, 30], Operations: ['39-36=3', '90/3=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,81 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,81 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: 81:[90, 3, 75], Operations: ['39+36=75'] Exploring Operation: 90-75=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 81:[3, 15] Operation: 90-75=15 Exploring Operation: 90/3=30, Resulting Numbers: [75, 30] Generated Node #0,1,1: 81:[75, 30] Operation: 90/3=30 Moving to Node #0,1,0 Current State: 81:[3, 15], Operations: ['39+36=75', '90-75=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[75, 30], Operations: ['39+36=75', '90/3=30'] Exploring Operation: 75-30=45, Resulting Numbers: [45] 45,81 unequal: No Solution Exploring Operation: 75+30=105, Resulting Numbers: [105] 105,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 71, 49, 95, 57 ]
60
[ "71-49=22", "95-57=38", "22+38=60" ]
Current State: 60:[71, 49, 95, 57], Operations: [] Exploring Operation: 71-49=22, Resulting Numbers: [95, 57, 22] Generated Node #2: [95, 57, 22] from Operation: 71-49=22 Current State: 60:[95, 57, 22], Operations: ['71-49=22'] Exploring Operation: 95-57=38, Resulting Numbers: [22, 38] Generated Node #3: [22, 38] from Operation: 95-57=38 Current State: 60:[22, 38], Operations: ['71-49=22', '95-57=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[71, 49, 95, 57], Operations: [] Exploring Operation: 71-49=22, Resulting Numbers: [95, 57, 22] Generated Node #0,0: 60:[95, 57, 22] Operation: 71-49=22 Exploring Operation: 71-57=14, Resulting Numbers: [49, 95, 14] Generated Node #0,1: 60:[49, 95, 14] Operation: 71-57=14 Exploring Operation: 95-57=38, Resulting Numbers: [71, 49, 38] Generated Node #0,2: 60:[71, 49, 38] Operation: 95-57=38 Exploring Operation: 95-49=46, Resulting Numbers: [71, 57, 46] Generated Node #0,3: 60:[71, 57, 46] Operation: 95-49=46 Exploring Operation: 95-71=24, Resulting Numbers: [49, 57, 24] Generated Node #0,4: 60:[49, 57, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[49, 57, 24], Operations: ['95-71=24'] Exploring Operation: 57-24=33, Resulting Numbers: [49, 33] Generated Node #0,4,0: 60:[49, 33] Operation: 57-24=33 Exploring Operation: 57-49=8, Resulting Numbers: [24, 8] Generated Node #0,4,1: 60:[24, 8] Operation: 57-49=8 Exploring Operation: 49-24=25, Resulting Numbers: [57, 25] Generated Node #0,4,2: 60:[57, 25] Operation: 49-24=25 Exploring Operation: 57+24=81, Resulting Numbers: [49, 81] Generated Node #0,4,3: 60:[49, 81] Operation: 57+24=81 Exploring Operation: 49+24=73, Resulting Numbers: [57, 73] Generated Node #0,4,4: 60:[57, 73] Operation: 49+24=73 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 60:[24, 8], Operations: ['95-71=24', '57-49=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,60 unequal: No Solution No 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: 60:[57, 25], Operations: ['95-71=24', '49-24=25'] Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,60 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,60 unequal: No Solution No 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: 60:[49, 33], Operations: ['95-71=24', '57-24=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,60 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,60 unequal: No Solution No 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: 60:[57, 73], Operations: ['95-71=24', '49+24=73'] Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 57+73=130, Resulting Numbers: [130] 130,60 unequal: No Solution Exploring Operation: 57*73=4161, Resulting Numbers: [4161] 4161,60 unequal: No Solution No 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: 60:[49, 81], Operations: ['95-71=24', '57+24=81'] Exploring Operation: 49*81=3969, Resulting Numbers: [3969] 3969,60 unequal: No Solution Exploring Operation: 49+81=130, Resulting Numbers: [130] 130,60 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,60 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: 60:[71, 57, 46], Operations: ['95-49=46'] Exploring Operation: 71-46=25, Resulting Numbers: [57, 25] Generated Node #0,3,0: 60:[57, 25] Operation: 71-46=25 Exploring Operation: 57-46=11, Resulting Numbers: [71, 11] Generated Node #0,3,1: 60:[71, 11] Operation: 57-46=11 Exploring Operation: 57+46=103, Resulting Numbers: [71, 103] Generated Node #0,3,2: 60:[71, 103] Operation: 57+46=103 Exploring Operation: 71-57=14, Resulting Numbers: [46, 14] Generated Node #0,3,3: 60:[46, 14] Operation: 71-57=14 Exploring Operation: 71+46=117, Resulting Numbers: [57, 117] Generated Node #0,3,4: 60:[57, 117] Operation: 71+46=117 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[57, 25], Operations: ['95-49=46', '71-46=25'] Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,60 unequal: No Solution No 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: 60:[71, 11], Operations: ['95-49=46', '57-46=11'] Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,60 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[71, 49, 95, 57], Operations: [] Exploring Operation: 95-49=46, Resulting Numbers: [71, 57, 46] Generated Node #0,3: 60:[71, 57, 46] Operation: 95-49=46 Moving to Node #0,3 Current State: 60:[71, 57, 46], Operations: ['95-49=46'] Exploring Operation: 57-46=11, Resulting Numbers: [71, 11] Generated Node #0,3,1: 60:[71, 11] Operation: 57-46=11 Moving to Node #0,3,1 Current State: 60:[71, 11], Operations: ['95-49=46', '57-46=11'] Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 88, 90, 74, 14 ]
90
[ "88+90=178", "74+14=88", "178-88=90" ]
Current State: 90:[88, 90, 74, 14], Operations: [] Exploring Operation: 88+90=178, Resulting Numbers: [74, 14, 178] Generated Node #2: [74, 14, 178] from Operation: 88+90=178 Current State: 90:[74, 14, 178], Operations: ['88+90=178'] Exploring Operation: 74+14=88, Resulting Numbers: [178, 88] Generated Node #3: [178, 88] from Operation: 74+14=88 Current State: 90:[178, 88], Operations: ['88+90=178', '74+14=88'] Exploring Operation: 178-88=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[88, 90, 74, 14], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [90, 14, 14] Generated Node #0,0: 90:[90, 14, 14] Operation: 88-74=14 Exploring Operation: 90-74=16, Resulting Numbers: [88, 14, 16] Generated Node #0,1: 90:[88, 14, 16] Operation: 90-74=16 Exploring Operation: 90-88=2, Resulting Numbers: [74, 14, 2] Generated Node #0,2: 90:[74, 14, 2] Operation: 90-88=2 Exploring Operation: 74-14=60, Resulting Numbers: [88, 90, 60] Generated Node #0,3: 90:[88, 90, 60] Operation: 74-14=60 Exploring Operation: 74+14=88, Resulting Numbers: [88, 90, 88] Generated Node #0,4: 90:[88, 90, 88] Operation: 74+14=88 Moving to Node #0,0 Current State: 90:[90, 14, 14], Operations: ['88-74=14'] Exploring Operation: 14-14=0, Resulting Numbers: [90, 0] Generated Node #0,0,0: 90:[90, 0] Operation: 14-14=0 Exploring Operation: 14/14=1, Resulting Numbers: [90, 1] Generated Node #0,0,1: 90:[90, 1] Operation: 14/14=1 Exploring Operation: 90-14=76, Resulting Numbers: [14, 76] Generated Node #0,0,2: 90:[14, 76] Operation: 90-14=76 Exploring Operation: 14+14=28, Resulting Numbers: [90, 28] Generated Node #0,0,3: 90:[90, 28] Operation: 14+14=28 Exploring Operation: 90+14=104, Resulting Numbers: [14, 104] Generated Node #0,0,4: 90:[14, 104] Operation: 90+14=104 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[90, 1], Operations: ['88-74=14', '14/14=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[88, 90, 74, 14], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [90, 14, 14] Generated Node #0,0: 90:[90, 14, 14] Operation: 88-74=14 Moving to Node #0,0 Current State: 90:[90, 14, 14], Operations: ['88-74=14'] Exploring Operation: 14/14=1, Resulting Numbers: [90, 1] Generated Node #0,0,1: 90:[90, 1] Operation: 14/14=1 Moving to Node #0,0,1 Current State: 90:[90, 1], Operations: ['88-74=14', '14/14=1'] Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 28, 82, 81, 74 ]
61
[ "82-28=54", "81-74=7", "54+7=61" ]
Current State: 61:[28, 82, 81, 74], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [81, 74, 54] Generated Node #2: [81, 74, 54] from Operation: 82-28=54 Current State: 61:[81, 74, 54], Operations: ['82-28=54'] Exploring Operation: 81-74=7, Resulting Numbers: [54, 7] Generated Node #3: [54, 7] from Operation: 81-74=7 Current State: 61:[54, 7], Operations: ['82-28=54', '81-74=7'] Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[28, 82, 81, 74], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [81, 74, 54] Generated Node #0,0: 61:[81, 74, 54] Operation: 82-28=54 Moving to Node #0,0 Current State: 61:[81, 74, 54], Operations: ['82-28=54'] Exploring Operation: 81-54=27, Resulting Numbers: [74, 27] Generated Node #0,0,0: 61:[74, 27] Operation: 81-54=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[74, 27], Operations: ['82-28=54', '81-54=27'] Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 11, 86, 6, 89 ]
31
[ "11+86=97", "89+97=186", "186/6=31" ]
Current State: 31:[11, 86, 6, 89], Operations: [] Exploring Operation: 11+86=97, Resulting Numbers: [6, 89, 97] Generated Node #2: [6, 89, 97] from Operation: 11+86=97 Current State: 31:[6, 89, 97], Operations: ['11+86=97'] Exploring Operation: 89+97=186, Resulting Numbers: [6, 186] Generated Node #3: [6, 186] from Operation: 89+97=186 Current State: 31:[6, 186], Operations: ['11+86=97', '89+97=186'] Exploring Operation: 186/6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[11, 86, 6, 89], Operations: [] Exploring Operation: 86-11=75, Resulting Numbers: [6, 89, 75] Generated Node #0,0: 31:[6, 89, 75] Operation: 86-11=75 Exploring Operation: 89-86=3, Resulting Numbers: [11, 6, 3] Generated Node #0,1: 31:[11, 6, 3] Operation: 89-86=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[11, 6, 3], Operations: ['89-86=3'] Exploring Operation: 6*3=18, Resulting Numbers: [11, 18] Generated Node #0,1,0: 31:[11, 18] Operation: 6*3=18 Exploring Operation: 11*3=33, Resulting Numbers: [6, 33] Generated Node #0,1,1: 31:[6, 33] Operation: 11*3=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[6, 33], Operations: ['89-86=3', '11*3=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[11, 18], Operations: ['89-86=3', '6*3=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[6, 89, 75], Operations: ['86-11=75'] Exploring Operation: 89-6=83, Resulting Numbers: [75, 83] Generated Node #0,0,0: 31:[75, 83] Operation: 89-6=83 Exploring Operation: 89-75=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 31:[6, 14] Operation: 89-75=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[6, 14], Operations: ['86-11=75', '89-75=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[75, 83], Operations: ['86-11=75', '89-6=83'] Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,31 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 81, 4, 25, 6 ]
20
[ "81-25=56", "56/4=14", "6+14=20" ]
Current State: 20:[81, 4, 25, 6], Operations: [] Exploring Operation: 81-25=56, Resulting Numbers: [4, 6, 56] Generated Node #2: [4, 6, 56] from Operation: 81-25=56 Current State: 20:[4, 6, 56], Operations: ['81-25=56'] Exploring Operation: 56/4=14, Resulting Numbers: [6, 14] Generated Node #3: [6, 14] from Operation: 56/4=14 Current State: 20:[6, 14], Operations: ['81-25=56', '56/4=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[81, 4, 25, 6], Operations: [] Exploring Operation: 81-6=75, Resulting Numbers: [4, 25, 75] Generated Node #0,0: 20:[4, 25, 75] Operation: 81-6=75 Exploring Operation: 25-4=21, Resulting Numbers: [81, 6, 21] Generated Node #0,1: 20:[81, 6, 21] Operation: 25-4=21 Exploring Operation: 81-4=77, Resulting Numbers: [25, 6, 77] Generated Node #0,2: 20:[25, 6, 77] Operation: 81-4=77 Exploring Operation: 81-25=56, Resulting Numbers: [4, 6, 56] Generated Node #0,3: 20:[4, 6, 56] Operation: 81-25=56 Exploring Operation: 25-6=19, Resulting Numbers: [81, 4, 19] Generated Node #0,4: 20:[81, 4, 19] Operation: 25-6=19 Moving to Node #0,3 Current State: 20:[4, 6, 56], Operations: ['81-25=56'] Exploring Operation: 4+6=10, Resulting Numbers: [56, 10] Generated Node #0,3,0: 20:[56, 10] Operation: 4+6=10 Exploring Operation: 56-6=50, Resulting Numbers: [4, 50] Generated Node #0,3,1: 20:[4, 50] Operation: 56-6=50 Exploring Operation: 56-4=52, Resulting Numbers: [6, 52] Generated Node #0,3,2: 20:[6, 52] Operation: 56-4=52 Exploring Operation: 6-4=2, Resulting Numbers: [56, 2] Generated Node #0,3,3: 20:[56, 2] Operation: 6-4=2 Exploring Operation: 56/4=14, Resulting Numbers: [6, 14] Generated Node #0,3,4: 20:[6, 14] Operation: 56/4=14 Moving to Node #0,0 Current State: 20:[4, 25, 75], Operations: ['81-6=75'] Exploring Operation: 75/25=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 20:[4, 3] Operation: 75/25=3 Exploring Operation: 75-25=50, Resulting Numbers: [4, 50] Generated Node #0,0,1: 20:[4, 50] Operation: 75-25=50 Exploring Operation: 4+25=29, Resulting Numbers: [75, 29] Generated Node #0,0,2: 20:[75, 29] Operation: 4+25=29 Exploring Operation: 75-4=71, Resulting Numbers: [25, 71] Generated Node #0,0,3: 20:[25, 71] Operation: 75-4=71 Exploring Operation: 25-4=21, Resulting Numbers: [75, 21] Generated Node #0,0,4: 20:[75, 21] Operation: 25-4=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[4, 3], Operations: ['81-6=75', '75/25=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[4, 50], Operations: ['81-6=75', '75-25=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 4*50=200, Resulting Numbers: [200] 200,20 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 #0,0,3 Current State: 20:[25, 71], Operations: ['81-6=75', '75-4=71'] Exploring Operation: 25+71=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 25*71=1775, Resulting Numbers: [1775] 1775,20 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 #0,0,4 Current State: 20:[75, 21], Operations: ['81-6=75', '25-4=21'] Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 75+21=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 75*21=1575, Resulting Numbers: [1575] 1575,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[75, 29], Operations: ['81-6=75', '4+25=29'] Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 75+29=104, Resulting Numbers: [104] 104,20 unequal: No Solution Exploring Operation: 75*29=2175, Resulting Numbers: [2175] 2175,20 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: 20:[81, 4, 19], Operations: ['25-6=19'] Exploring Operation: 81+4=85, Resulting Numbers: [19, 85] Generated Node #0,4,0: 20:[19, 85] Operation: 81+4=85 Exploring Operation: 19-4=15, Resulting Numbers: [81, 15] Generated Node #0,4,1: 20:[81, 15] Operation: 19-4=15 Exploring Operation: 81-19=62, Resulting Numbers: [4, 62] Generated Node #0,4,2: 20:[4, 62] Operation: 81-19=62 Exploring Operation: 4+19=23, Resulting Numbers: [81, 23] Generated Node #0,4,3: 20:[81, 23] Operation: 4+19=23 Exploring Operation: 81-4=77, Resulting Numbers: [19, 77] Generated Node #0,4,4: 20:[19, 77] Operation: 81-4=77 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 20:[4, 62], Operations: ['25-6=19', '81-19=62'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 4+62=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 4*62=248, Resulting Numbers: [248] 248,20 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 #0,4,4 Current State: 20:[19, 77], Operations: ['25-6=19', '81-4=77'] Exploring Operation: 19+77=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 19*77=1463, Resulting Numbers: [1463] 1463,20 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,20 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 #0,4,3 Current State: 20:[81, 23], Operations: ['25-6=19', '4+19=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,20 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,20 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 #0,4,0 Current State: 20:[19, 85], Operations: ['25-6=19', '81+4=85'] Exploring Operation: 19*85=1615, Resulting Numbers: [1615] 1615,20 unequal: No Solution Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 19+85=104, Resulting Numbers: [104] 104,20 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 #0,4,1 Current State: 20:[81, 15], Operations: ['25-6=19', '19-4=15'] Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,20 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 20:[81, 6, 21], Operations: ['25-4=21'] Exploring Operation: 81-21=60, Resulting Numbers: [6, 60] Generated Node #0,1,0: 20:[6, 60] Operation: 81-21=60 Exploring Operation: 81+6=87, Resulting Numbers: [21, 87] Generated Node #0,1,1: 20:[21, 87] Operation: 81+6=87 Exploring Operation: 6+21=27, Resulting Numbers: [81, 27] Generated Node #0,1,2: 20:[81, 27] Operation: 6+21=27 Exploring Operation: 81-6=75, Resulting Numbers: [21, 75] Generated Node #0,1,3: 20:[21, 75] Operation: 81-6=75 Exploring Operation: 21-6=15, Resulting Numbers: [81, 15] Generated Node #0,1,4: 20:[81, 15] Operation: 21-6=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[6, 60], Operations: ['25-4=21', '81-21=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 6*60=360, Resulting Numbers: [360] 360,20 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 6+60=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 #0,1,3 Current State: 20:[21, 75], Operations: ['25-4=21', '81-6=75'] Exploring Operation: 21*75=1575, Resulting Numbers: [1575] 1575,20 unequal: No Solution Exploring Operation: 21+75=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 75-21=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 20:[81, 15], Operations: ['25-4=21', '21-6=15'] Exploring Operation: 81+15=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 81-15=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 81*15=1215, Resulting Numbers: [1215] 1215,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[21, 87], Operations: ['25-4=21', '81+6=87'] Exploring Operation: 21*87=1827, Resulting Numbers: [1827] 1827,20 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 21+87=108, Resulting Numbers: [108] 108,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[81, 27], Operations: ['25-4=21', '6+21=27'] Exploring Operation: 81/27=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 81*27=2187, Resulting Numbers: [2187] 2187,20 unequal: No Solution Exploring Operation: 81+27=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 81-27=54, Resulting Numbers: [54] 54,20 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: 20:[25, 6, 77], Operations: ['81-4=77'] Exploring Operation: 77-6=71, Resulting Numbers: [25, 71] Generated Node #0,2,0: 20:[25, 71] Operation: 77-6=71 Exploring Operation: 25-6=19, Resulting Numbers: [77, 19] Generated Node #0,2,1: 20:[77, 19] Operation: 25-6=19 Exploring Operation: 6+77=83, Resulting Numbers: [25, 83] Generated Node #0,2,2: 20:[25, 83] Operation: 6+77=83 Exploring Operation: 25+6=31, Resulting Numbers: [77, 31] Generated Node #0,2,3: 20:[77, 31] Operation: 25+6=31 Exploring Operation: 77-25=52, Resulting Numbers: [6, 52] Generated Node #0,2,4: 20:[6, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 20:[6, 52], Operations: ['81-4=77', '77-25=52'] Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,20 unequal: No Solution Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[25, 71], Operations: ['81-4=77', '77-6=71'] Exploring Operation: 25*71=1775, Resulting Numbers: [1775] 1775,20 unequal: No Solution Exploring Operation: 25+71=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[77, 19], Operations: ['81-4=77', '25-6=19'] Exploring Operation: 77*19=1463, Resulting Numbers: [1463] 1463,20 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[25, 83], Operations: ['81-4=77', '6+77=83'] Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,20 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[77, 31], Operations: ['81-4=77', '25+6=31'] Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,20 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,20 unequal: No Solution Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 20:[6, 14], Operations: ['81-25=56', '56/4=14'] Exploring Operation: 6*14=84, Resulting Numbers: [84] 84,20 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[81, 4, 25, 6], Operations: [] Exploring Operation: 81-25=56, Resulting Numbers: [4, 6, 56] Generated Node #0,3: 20:[4, 6, 56] Operation: 81-25=56 Moving to Node #0,3 Current State: 20:[4, 6, 56], Operations: ['81-25=56'] Exploring Operation: 56/4=14, Resulting Numbers: [6, 14] Generated Node #0,3,4: 20:[6, 14] Operation: 56/4=14 Moving to Node #0,3,4 Current State: 20:[6, 14], Operations: ['81-25=56', '56/4=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.914931
hs_5
sum_heuristic
[ 3, 1, 16, 43 ]
61
[ "3-1=2", "16+43=59", "2+59=61" ]
Current State: 61:[3, 1, 16, 43], Operations: [] Exploring Operation: 3-1=2, Resulting Numbers: [16, 43, 2] Generated Node #2: [16, 43, 2] from Operation: 3-1=2 Current State: 61:[16, 43, 2], Operations: ['3-1=2'] Exploring Operation: 16+43=59, Resulting Numbers: [2, 59] Generated Node #3: [2, 59] from Operation: 16+43=59 Current State: 61:[2, 59], Operations: ['3-1=2', '16+43=59'] Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[3, 1, 16, 43], Operations: [] Exploring Operation: 3*16=48, Resulting Numbers: [1, 43, 48] Generated Node #0,0: 61:[1, 43, 48] Operation: 3*16=48 Exploring Operation: 3+1=4, Resulting Numbers: [16, 43, 4] Generated Node #0,1: 61:[16, 43, 4] Operation: 3+1=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[1, 43, 48], Operations: ['3*16=48'] Exploring Operation: 1+43=44, Resulting Numbers: [48, 44] Generated Node #0,0,0: 61:[48, 44] Operation: 1+43=44 Exploring Operation: 1+48=49, Resulting Numbers: [43, 49] Generated Node #0,0,1: 61:[43, 49] Operation: 1+48=49 Moving to Node #0,0,0 Current State: 61:[48, 44], Operations: ['3*16=48', '1+43=44'] Exploring Operation: 48+44=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[43, 49], Operations: ['3*16=48', '1+48=49'] Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[16, 43, 4], Operations: ['3+1=4'] Exploring Operation: 16+43=59, Resulting Numbers: [4, 59] Generated Node #0,1,0: 61:[4, 59] Operation: 16+43=59 Exploring Operation: 16*4=64, Resulting Numbers: [43, 64] Generated Node #0,1,1: 61:[43, 64] Operation: 16*4=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[43, 64], Operations: ['3+1=4', '16*4=64'] Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[4, 59], Operations: ['3+1=4', '16+43=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 4+59=63, Resulting Numbers: [63] 63,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 87, 15, 36, 73 ]
65
[ "87+15=102", "73-36=37", "102-37=65" ]
Current State: 65:[87, 15, 36, 73], Operations: [] Exploring Operation: 87+15=102, Resulting Numbers: [36, 73, 102] Generated Node #2: [36, 73, 102] from Operation: 87+15=102 Current State: 65:[36, 73, 102], Operations: ['87+15=102'] Exploring Operation: 73-36=37, Resulting Numbers: [102, 37] Generated Node #3: [102, 37] from Operation: 73-36=37 Current State: 65:[102, 37], Operations: ['87+15=102', '73-36=37'] Exploring Operation: 102-37=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[87, 15, 36, 73], Operations: [] Exploring Operation: 87-36=51, Resulting Numbers: [15, 73, 51] Generated Node #0,0: 65:[15, 73, 51] Operation: 87-36=51 Exploring Operation: 87-73=14, Resulting Numbers: [15, 36, 14] Generated Node #0,1: 65:[15, 36, 14] Operation: 87-73=14 Exploring Operation: 87-15=72, Resulting Numbers: [36, 73, 72] Generated Node #0,2: 65:[36, 73, 72] Operation: 87-15=72 Exploring Operation: 36-15=21, Resulting Numbers: [87, 73, 21] Generated Node #0,3: 65:[87, 73, 21] Operation: 36-15=21 Moving to Node #0,0 Current State: 65:[15, 73, 51], Operations: ['87-36=51'] Exploring Operation: 73-15=58, Resulting Numbers: [51, 58] Generated Node #0,0,0: 65:[51, 58] Operation: 73-15=58 Exploring Operation: 73-51=22, Resulting Numbers: [15, 22] Generated Node #0,0,1: 65:[15, 22] Operation: 73-51=22 Exploring Operation: 15+51=66, Resulting Numbers: [73, 66] Generated Node #0,0,2: 65:[73, 66] Operation: 15+51=66 Exploring Operation: 51-15=36, Resulting Numbers: [73, 36] Generated Node #0,0,3: 65:[73, 36] Operation: 51-15=36 Moving to Node #0,1 Current State: 65:[15, 36, 14], Operations: ['87-73=14'] Exploring Operation: 36-15=21, Resulting Numbers: [14, 21] Generated Node #0,1,0: 65:[14, 21] Operation: 36-15=21 Exploring Operation: 15+36=51, Resulting Numbers: [14, 51] Generated Node #0,1,1: 65:[14, 51] Operation: 15+36=51 Exploring Operation: 36-14=22, Resulting Numbers: [15, 22] Generated Node #0,1,2: 65:[15, 22] Operation: 36-14=22 Exploring Operation: 36+14=50, Resulting Numbers: [15, 50] Generated Node #0,1,3: 65:[15, 50] Operation: 36+14=50 Moving to Node #0,3 Current State: 65:[87, 73, 21], Operations: ['36-15=21'] Exploring Operation: 87+21=108, Resulting Numbers: [73, 108] Generated Node #0,3,0: 65:[73, 108] Operation: 87+21=108 Exploring Operation: 73-21=52, Resulting Numbers: [87, 52] Generated Node #0,3,1: 65:[87, 52] Operation: 73-21=52 Exploring Operation: 87-73=14, Resulting Numbers: [21, 14] Generated Node #0,3,2: 65:[21, 14] Operation: 87-73=14 Exploring Operation: 87-21=66, Resulting Numbers: [73, 66] Generated Node #0,3,3: 65:[73, 66] Operation: 87-21=66 Moving to Node #0,2 Current State: 65:[36, 73, 72], Operations: ['87-15=72'] Exploring Operation: 73-36=37, Resulting Numbers: [72, 37] Generated Node #0,2,0: 65:[72, 37] Operation: 73-36=37 Exploring Operation: 73-72=1, Resulting Numbers: [36, 1] Generated Node #0,2,1: 65:[36, 1] Operation: 73-72=1 Exploring Operation: 72-36=36, Resulting Numbers: [73, 36] Generated Node #0,2,2: 65:[73, 36] Operation: 72-36=36 Exploring Operation: 72/36=2, Resulting Numbers: [73, 2] Generated Node #0,2,3: 65:[73, 2] Operation: 72/36=2 Moving to Node #0,0,2 Current State: 65:[73, 66], Operations: ['87-36=51', '15+51=66'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,65 unequal: No Solution Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[14, 21], Operations: ['87-73=14', '36-15=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[73, 66], Operations: ['36-15=21', '87-21=66'] Exploring Operation: 73-66=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 73*66=4818, Resulting Numbers: [4818] 4818,65 unequal: No Solution Exploring Operation: 73+66=139, Resulting Numbers: [139] 139,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[21, 14], Operations: ['36-15=21', '87-73=14'] Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[15, 22], Operations: ['87-73=14', '36-14=22'] Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,65 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[73, 2], Operations: ['87-15=72', '72/36=2'] Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,65 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[15, 22], Operations: ['87-36=51', '73-51=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,65 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[14, 51], Operations: ['87-73=14', '15+36=51'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,65 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[87, 15, 36, 73], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [15, 36, 14] Generated Node #0,1: 65:[15, 36, 14] Operation: 87-73=14 Moving to Node #0,1 Current State: 65:[15, 36, 14], Operations: ['87-73=14'] Exploring Operation: 15+36=51, Resulting Numbers: [14, 51] Generated Node #0,1,1: 65:[14, 51] Operation: 15+36=51 Moving to Node #0,1,1 Current State: 65:[14, 51], Operations: ['87-73=14', '15+36=51'] Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.958333
hs_4
mult_heuristic
[ 43, 22, 83, 63 ]
45
[ "43+22=65", "83-63=20", "65-20=45" ]
Current State: 45:[43, 22, 83, 63], Operations: [] Exploring Operation: 43+22=65, Resulting Numbers: [83, 63, 65] Generated Node #2: [83, 63, 65] from Operation: 43+22=65 Current State: 45:[83, 63, 65], Operations: ['43+22=65'] Exploring Operation: 83-63=20, Resulting Numbers: [65, 20] Generated Node #3: [65, 20] from Operation: 83-63=20 Current State: 45:[65, 20], Operations: ['43+22=65', '83-63=20'] Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[43, 22, 83, 63], Operations: [] Exploring Operation: 63-22=41, Resulting Numbers: [43, 83, 41] Generated Node #0,0: 45:[43, 83, 41] Operation: 63-22=41 Exploring Operation: 83-63=20, Resulting Numbers: [43, 22, 20] Generated Node #0,1: 45:[43, 22, 20] Operation: 83-63=20 Exploring Operation: 63-43=20, Resulting Numbers: [22, 83, 20] Generated Node #0,2: 45:[22, 83, 20] Operation: 63-43=20 Exploring Operation: 83-22=61, Resulting Numbers: [43, 63, 61] Generated Node #0,3: 45:[43, 63, 61] Operation: 83-22=61 Exploring Operation: 83-43=40, Resulting Numbers: [22, 63, 40] Generated Node #0,4: 45:[22, 63, 40] Operation: 83-43=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[43, 22, 20], Operations: ['83-63=20'] Exploring Operation: 22-20=2, Resulting Numbers: [43, 2] Generated Node #0,1,0: 45:[43, 2] Operation: 22-20=2 Exploring Operation: 43-22=21, Resulting Numbers: [20, 21] Generated Node #0,1,1: 45:[20, 21] Operation: 43-22=21 Exploring Operation: 43+22=65, Resulting Numbers: [20, 65] Generated Node #0,1,2: 45:[20, 65] Operation: 43+22=65 Exploring Operation: 22+20=42, Resulting Numbers: [43, 42] Generated Node #0,1,3: 45:[43, 42] Operation: 22+20=42 Exploring Operation: 43-20=23, Resulting Numbers: [22, 23] Generated Node #0,1,4: 45:[22, 23] Operation: 43-20=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[43, 2], Operations: ['83-63=20', '22-20=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,45 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[43, 22, 83, 63], Operations: [] Exploring Operation: 83-63=20, Resulting Numbers: [43, 22, 20] Generated Node #0,1: 45:[43, 22, 20] Operation: 83-63=20 Moving to Node #0,1 Current State: 45:[43, 22, 20], Operations: ['83-63=20'] Exploring Operation: 22-20=2, Resulting Numbers: [43, 2] Generated Node #0,1,0: 45:[43, 2] Operation: 22-20=2 Moving to Node #0,1,0 Current State: 45:[43, 2], Operations: ['83-63=20', '22-20=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 10, 45, 30, 13 ]
12
[ "10+45=55", "30+13=43", "55-43=12" ]
Current State: 12:[10, 45, 30, 13], Operations: [] Exploring Operation: 10+45=55, Resulting Numbers: [30, 13, 55] Generated Node #2: [30, 13, 55] from Operation: 10+45=55 Current State: 12:[30, 13, 55], Operations: ['10+45=55'] Exploring Operation: 30+13=43, Resulting Numbers: [55, 43] Generated Node #3: [55, 43] from Operation: 30+13=43 Current State: 12:[55, 43], Operations: ['10+45=55', '30+13=43'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[10, 45, 30, 13], Operations: [] Exploring Operation: 45-13=32, Resulting Numbers: [10, 30, 32] Generated Node #0,0: 12:[10, 30, 32] Operation: 45-13=32 Exploring Operation: 30-13=17, Resulting Numbers: [10, 45, 17] Generated Node #0,1: 12:[10, 45, 17] Operation: 30-13=17 Exploring Operation: 30/10=3, Resulting Numbers: [45, 13, 3] Generated Node #0,2: 12:[45, 13, 3] Operation: 30/10=3 Exploring Operation: 45-30=15, Resulting Numbers: [10, 13, 15] Generated Node #0,3: 12:[10, 13, 15] Operation: 45-30=15 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[10, 13, 15], Operations: ['45-30=15'] Exploring Operation: 15-10=5, Resulting Numbers: [13, 5] Generated Node #0,3,0: 12:[13, 5] Operation: 15-10=5 Exploring Operation: 13-10=3, Resulting Numbers: [15, 3] Generated Node #0,3,1: 12:[15, 3] Operation: 13-10=3 Exploring Operation: 10+13=23, Resulting Numbers: [15, 23] Generated Node #0,3,2: 12:[15, 23] Operation: 10+13=23 Exploring Operation: 15-13=2, Resulting Numbers: [10, 2] Generated Node #0,3,3: 12:[10, 2] Operation: 15-13=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 12:[13, 5], Operations: ['45-30=15', '15-10=5'] Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,12 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 12:[10, 2], Operations: ['45-30=15', '15-13=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,12 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[10, 45, 30, 13], Operations: [] Exploring Operation: 45-30=15, Resulting Numbers: [10, 13, 15] Generated Node #0,3: 12:[10, 13, 15] Operation: 45-30=15 Moving to Node #0,3 Current State: 12:[10, 13, 15], Operations: ['45-30=15'] Exploring Operation: 15-13=2, Resulting Numbers: [10, 2] Generated Node #0,3,3: 12:[10, 2] Operation: 15-13=2 Moving to Node #0,3,3 Current State: 12:[10, 2], Operations: ['45-30=15', '15-13=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 32, 49, 42, 84 ]
33
[ "32*42=1344", "1344/84=16", "49-16=33" ]
Current State: 33:[32, 49, 42, 84], Operations: [] Exploring Operation: 32*42=1344, Resulting Numbers: [49, 84, 1344] Generated Node #2: [49, 84, 1344] from Operation: 32*42=1344 Current State: 33:[49, 84, 1344], Operations: ['32*42=1344'] Exploring Operation: 1344/84=16, Resulting Numbers: [49, 16] Generated Node #3: [49, 16] from Operation: 1344/84=16 Current State: 33:[49, 16], Operations: ['32*42=1344', '1344/84=16'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[32, 49, 42, 84], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [32, 49, 2] Generated Node #0,0: 33:[32, 49, 2] Operation: 84/42=2 Exploring Operation: 84-42=42, Resulting Numbers: [32, 49, 42] Generated Node #0,1: 33:[32, 49, 42] Operation: 84-42=42 Exploring Operation: 49-42=7, Resulting Numbers: [32, 84, 7] Generated Node #0,2: 33:[32, 84, 7] Operation: 49-42=7 Exploring Operation: 84-32=52, Resulting Numbers: [49, 42, 52] Generated Node #0,3: 33:[49, 42, 52] Operation: 84-32=52 Exploring Operation: 84-49=35, Resulting Numbers: [32, 42, 35] Generated Node #0,4: 33:[32, 42, 35] Operation: 84-49=35 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[32, 42, 35], Operations: ['84-49=35'] Exploring Operation: 42-32=10, Resulting Numbers: [35, 10] Generated Node #0,4,0: 33:[35, 10] Operation: 42-32=10 Exploring Operation: 42-35=7, Resulting Numbers: [32, 7] Generated Node #0,4,1: 33:[32, 7] Operation: 42-35=7 Exploring Operation: 32+42=74, Resulting Numbers: [35, 74] Generated Node #0,4,2: 33:[35, 74] Operation: 32+42=74 Exploring Operation: 32+35=67, Resulting Numbers: [42, 67] Generated Node #0,4,3: 33:[42, 67] Operation: 32+35=67 Exploring Operation: 35-32=3, Resulting Numbers: [42, 3] Generated Node #0,4,4: 33:[42, 3] Operation: 35-32=3 Moving to Node #0,4,0 Current State: 33:[35, 10], Operations: ['84-49=35', '42-32=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[32, 7], Operations: ['84-49=35', '42-35=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,33 unequal: No Solution Moving to Node #0,4,4 Current State: 33:[42, 3], Operations: ['84-49=35', '35-32=3'] Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,33 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[35, 74], Operations: ['84-49=35', '32+42=74'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 35+74=109, Resulting Numbers: [109] 109,33 unequal: No Solution Exploring Operation: 35*74=2590, Resulting Numbers: [2590] 2590,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[42, 67], Operations: ['84-49=35', '32+35=67'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 42*67=2814, Resulting Numbers: [2814] 2814,33 unequal: No Solution Exploring Operation: 42+67=109, Resulting Numbers: [109] 109,33 unequal: No Solution No 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: 33:[32, 49, 2], Operations: ['84/42=2'] Exploring Operation: 49-2=47, Resulting Numbers: [32, 47] Generated Node #0,0,0: 33:[32, 47] Operation: 49-2=47 Exploring Operation: 49-32=17, Resulting Numbers: [2, 17] Generated Node #0,0,1: 33:[2, 17] Operation: 49-32=17 Exploring Operation: 32+2=34, Resulting Numbers: [49, 34] Generated Node #0,0,2: 33:[49, 34] Operation: 32+2=34 Exploring Operation: 32-2=30, Resulting Numbers: [49, 30] Generated Node #0,0,3: 33:[49, 30] Operation: 32-2=30 Exploring Operation: 49+2=51, Resulting Numbers: [32, 51] Generated Node #0,0,4: 33:[32, 51] Operation: 49+2=51 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[2, 17], Operations: ['84/42=2', '49-32=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[32, 47], Operations: ['84/42=2', '49-2=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[49, 34], Operations: ['84/42=2', '32+2=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,33 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[49, 30], Operations: ['84/42=2', '32-2=30'] Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,33 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 33:[32, 51], Operations: ['84/42=2', '49+2=51'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,33 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[32, 49, 42], Operations: ['84-42=42'] Exploring Operation: 49-42=7, Resulting Numbers: [32, 7] Generated Node #0,1,0: 33:[32, 7] Operation: 49-42=7 Exploring Operation: 32+49=81, Resulting Numbers: [42, 81] Generated Node #0,1,1: 33:[42, 81] Operation: 32+49=81 Exploring Operation: 32+42=74, Resulting Numbers: [49, 74] Generated Node #0,1,2: 33:[49, 74] Operation: 32+42=74 Exploring Operation: 42-32=10, Resulting Numbers: [49, 10] Generated Node #0,1,3: 33:[49, 10] Operation: 42-32=10 Exploring Operation: 49-32=17, Resulting Numbers: [42, 17] Generated Node #0,1,4: 33:[42, 17] Operation: 49-32=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[32, 7], Operations: ['84-42=42', '49-42=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 33:[42, 17], Operations: ['84-42=42', '49-32=17'] Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 42+17=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 42*17=714, Resulting Numbers: [714] 714,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[49, 10], Operations: ['84-42=42', '42-32=10'] Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,33 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[42, 81], Operations: ['84-42=42', '32+49=81'] Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,33 unequal: No Solution Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,33 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[49, 74], Operations: ['84-42=42', '32+42=74'] Exploring Operation: 49+74=123, Resulting Numbers: [123] 123,33 unequal: No Solution Exploring Operation: 49*74=3626, Resulting Numbers: [3626] 3626,33 unequal: No Solution Exploring Operation: 74-49=25, Resulting Numbers: [25] 25,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[49, 42, 52], Operations: ['84-32=52'] Exploring Operation: 49+52=101, Resulting Numbers: [42, 101] Generated Node #0,3,0: 33:[42, 101] Operation: 49+52=101 Exploring Operation: 52-49=3, Resulting Numbers: [42, 3] Generated Node #0,3,1: 33:[42, 3] Operation: 52-49=3 Exploring Operation: 49+42=91, Resulting Numbers: [52, 91] Generated Node #0,3,2: 33:[52, 91] Operation: 49+42=91 Exploring Operation: 52-42=10, Resulting Numbers: [49, 10] Generated Node #0,3,3: 33:[49, 10] Operation: 52-42=10 Exploring Operation: 49-42=7, Resulting Numbers: [52, 7] Generated Node #0,3,4: 33:[52, 7] Operation: 49-42=7 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[42, 3], Operations: ['84-32=52', '52-49=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,33 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[49, 10], Operations: ['84-32=52', '52-42=10'] Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,33 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 33:[52, 7], Operations: ['84-32=52', '49-42=7'] Exploring Operation: 52*7=364, Resulting Numbers: [364] 364,33 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[42, 101], Operations: ['84-32=52', '49+52=101'] Exploring Operation: 42*101=4242, Resulting Numbers: [4242] 4242,33 unequal: No Solution Exploring Operation: 101-42=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 42+101=143, Resulting Numbers: [143] 143,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[52, 91], Operations: ['84-32=52', '49+42=91'] Exploring Operation: 52*91=4732, Resulting Numbers: [4732] 4732,33 unequal: No Solution Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,33 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[32, 84, 7], Operations: ['49-42=7'] Exploring Operation: 84/7=12, Resulting Numbers: [32, 12] Generated Node #0,2,0: 33:[32, 12] Operation: 84/7=12 Exploring Operation: 32-7=25, Resulting Numbers: [84, 25] Generated Node #0,2,1: 33:[84, 25] Operation: 32-7=25 Exploring Operation: 84-32=52, Resulting Numbers: [7, 52] Generated Node #0,2,2: 33:[7, 52] Operation: 84-32=52 Exploring Operation: 84-7=77, Resulting Numbers: [32, 77] Generated Node #0,2,3: 33:[32, 77] Operation: 84-7=77 Exploring Operation: 32+7=39, Resulting Numbers: [84, 39] Generated Node #0,2,4: 33:[84, 39] Operation: 32+7=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[32, 12], Operations: ['49-42=7', '84/7=12'] Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[7, 52], Operations: ['49-42=7', '84-32=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,33 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 33:[32, 77], Operations: ['49-42=7', '84-7=77'] Exploring Operation: 32+77=109, Resulting Numbers: [109] 109,33 unequal: No Solution Exploring Operation: 32*77=2464, Resulting Numbers: [2464] 2464,33 unequal: No Solution Exploring Operation: 77-32=45, Resulting Numbers: [45] 45,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 33:[84, 39], Operations: ['49-42=7', '32+7=39'] Exploring Operation: 84*39=3276, Resulting Numbers: [3276] 3276,33 unequal: No Solution Exploring Operation: 84+39=123, Resulting Numbers: [123] 123,33 unequal: No Solution Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[84, 25], Operations: ['49-42=7', '32-7=25'] Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,33 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,33 unequal: No Solution Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 64, 30, 32, 20 ]
54
[ "32-30=2", "20/2=10", "64-10=54" ]
Current State: 54:[64, 30, 32, 20], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [64, 20, 2] Generated Node #2: [64, 20, 2] from Operation: 32-30=2 Current State: 54:[64, 20, 2], Operations: ['32-30=2'] Exploring Operation: 20/2=10, Resulting Numbers: [64, 10] Generated Node #3: [64, 10] from Operation: 20/2=10 Current State: 54:[64, 10], Operations: ['32-30=2', '20/2=10'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[64, 30, 32, 20], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [64, 20, 2] Generated Node #0,0: 54:[64, 20, 2] Operation: 32-30=2 Exploring Operation: 64-32=32, Resulting Numbers: [30, 20, 32] Generated Node #0,1: 54:[30, 20, 32] Operation: 64-32=32 Exploring Operation: 64/32=2, Resulting Numbers: [30, 20, 2] Generated Node #0,2: 54:[30, 20, 2] Operation: 64/32=2 Moving to Node #0,2 Current State: 54:[30, 20, 2], Operations: ['64/32=2'] Exploring Operation: 20-2=18, Resulting Numbers: [30, 18] Generated Node #0,2,0: 54:[30, 18] Operation: 20-2=18 Exploring Operation: 30-20=10, Resulting Numbers: [2, 10] Generated Node #0,2,1: 54:[2, 10] Operation: 30-20=10 Exploring Operation: 30-2=28, Resulting Numbers: [20, 28] Generated Node #0,2,2: 54:[20, 28] Operation: 30-2=28 Moving to Node #0,1 Current State: 54:[30, 20, 32], Operations: ['64-32=32'] Exploring Operation: 30-20=10, Resulting Numbers: [32, 10] Generated Node #0,1,0: 54:[32, 10] Operation: 30-20=10 Exploring Operation: 32-30=2, Resulting Numbers: [20, 2] Generated Node #0,1,1: 54:[20, 2] Operation: 32-30=2 Exploring Operation: 20+32=52, Resulting Numbers: [30, 52] Generated Node #0,1,2: 54:[30, 52] Operation: 20+32=52 Moving to Node #0,0 Current State: 54:[64, 20, 2], Operations: ['32-30=2'] Exploring Operation: 64/2=32, Resulting Numbers: [20, 32] Generated Node #0,0,0: 54:[20, 32] Operation: 64/2=32 Exploring Operation: 64-20=44, Resulting Numbers: [2, 44] Generated Node #0,0,1: 54:[2, 44] Operation: 64-20=44 Exploring Operation: 64-2=62, Resulting Numbers: [20, 62] Generated Node #0,0,2: 54:[20, 62] Operation: 64-2=62 Moving to Node #0,2,1 Current State: 54:[2, 10], Operations: ['64/32=2', '30-20=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,54 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[20, 2], Operations: ['64-32=32', '32-30=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[20, 28], Operations: ['64/32=2', '30-2=28'] Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,54 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[30, 18], Operations: ['64/32=2', '20-2=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,54 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[30, 52], Operations: ['64-32=32', '20+32=52'] Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 30*52=1560, Resulting Numbers: [1560] 1560,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[32, 10], Operations: ['64-32=32', '30-20=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,54 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[20, 32], Operations: ['32-30=2', '64/2=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,54 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[2, 44], Operations: ['32-30=2', '64-20=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[20, 62], Operations: ['32-30=2', '64-2=62'] Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,54 unequal: No Solution Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,54 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 3, 60, 23, 6 ]
66
[ "23*6=138", "60+138=198", "198/3=66" ]
Current State: 66:[3, 60, 23, 6], Operations: [] Exploring Operation: 23*6=138, Resulting Numbers: [3, 60, 138] Generated Node #2: [3, 60, 138] from Operation: 23*6=138 Current State: 66:[3, 60, 138], Operations: ['23*6=138'] Exploring Operation: 60+138=198, Resulting Numbers: [3, 198] Generated Node #3: [3, 198] from Operation: 60+138=198 Current State: 66:[3, 198], Operations: ['23*6=138', '60+138=198'] Exploring Operation: 198/3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[3, 60, 23, 6], Operations: [] Exploring Operation: 60/6=10, Resulting Numbers: [3, 23, 10] Generated Node #0,0: 66:[3, 23, 10] Operation: 60/6=10 Exploring Operation: 60/3=20, Resulting Numbers: [23, 6, 20] Generated Node #0,1: 66:[23, 6, 20] Operation: 60/3=20 Exploring Operation: 60+6=66, Resulting Numbers: [3, 23, 66] Generated Node #0,2: 66:[3, 23, 66] Operation: 60+6=66 Exploring Operation: 3+60=63, Resulting Numbers: [23, 6, 63] Generated Node #0,3: 66:[23, 6, 63] Operation: 3+60=63 Moving to Node #0,2 Current State: 66:[3, 23, 66], Operations: ['60+6=66'] Exploring Operation: 3*23=69, Resulting Numbers: [66, 69] Generated Node #0,2,0: 66:[66, 69] Operation: 3*23=69 Exploring Operation: 23-3=20, Resulting Numbers: [66, 20] Generated Node #0,2,1: 66:[66, 20] Operation: 23-3=20 Exploring Operation: 66/3=22, Resulting Numbers: [23, 22] Generated Node #0,2,2: 66:[23, 22] Operation: 66/3=22 Exploring Operation: 3+23=26, Resulting Numbers: [66, 26] Generated Node #0,2,3: 66:[66, 26] Operation: 3+23=26 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 66:[23, 22], Operations: ['60+6=66', '66/3=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,66 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,66 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,66 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 #0,2,1 Current State: 66:[66, 20], Operations: ['60+6=66', '23-3=20'] Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,66 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,66 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 #0,2,0 Current State: 66:[66, 69], Operations: ['60+6=66', '3*23=69'] Exploring Operation: 66*69=4554, Resulting Numbers: [4554] 4554,66 unequal: No Solution Exploring Operation: 69-66=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 66+69=135, Resulting Numbers: [135] 135,66 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 #0,2,3 Current State: 66:[66, 26], Operations: ['60+6=66', '3+23=26'] Exploring Operation: 66*26=1716, Resulting Numbers: [1716] 1716,66 unequal: No Solution Exploring Operation: 66+26=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,66 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: 66:[3, 23, 10], Operations: ['60/6=10'] Exploring Operation: 10-3=7, Resulting Numbers: [23, 7] Generated Node #0,0,0: 66:[23, 7] Operation: 10-3=7 Exploring Operation: 23-3=20, Resulting Numbers: [10, 20] Generated Node #0,0,1: 66:[10, 20] Operation: 23-3=20 Exploring Operation: 23+10=33, Resulting Numbers: [3, 33] Generated Node #0,0,2: 66:[3, 33] Operation: 23+10=33 Exploring Operation: 23-10=13, Resulting Numbers: [3, 13] Generated Node #0,0,3: 66:[3, 13] Operation: 23-10=13 Moving to Node #0,1 Current State: 66:[23, 6, 20], Operations: ['60/3=20'] Exploring Operation: 23+6=29, Resulting Numbers: [20, 29] Generated Node #0,1,0: 66:[20, 29] Operation: 23+6=29 Exploring Operation: 20-6=14, Resulting Numbers: [23, 14] Generated Node #0,1,1: 66:[23, 14] Operation: 20-6=14 Exploring Operation: 6+20=26, Resulting Numbers: [23, 26] Generated Node #0,1,2: 66:[23, 26] Operation: 6+20=26 Exploring Operation: 23-20=3, Resulting Numbers: [6, 3] Generated Node #0,1,3: 66:[6, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 66:[6, 3], Operations: ['60/3=20', '23-20=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,66 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 #0,1,1 Current State: 66:[23, 14], Operations: ['60/3=20', '20-6=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,66 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,66 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 #0,1,2 Current State: 66:[23, 26], Operations: ['60/3=20', '6+20=26'] Exploring Operation: 23*26=598, Resulting Numbers: [598] 598,66 unequal: No Solution Exploring Operation: 23+26=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,66 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 #0,1,0 Current State: 66:[20, 29], Operations: ['60/3=20', '23+6=29'] Exploring Operation: 20*29=580, Resulting Numbers: [580] 580,66 unequal: No Solution Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,66 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,66 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: 66:[23, 6, 63], Operations: ['3+60=63'] Exploring Operation: 63-23=40, Resulting Numbers: [6, 40] Generated Node #0,3,0: 66:[6, 40] Operation: 63-23=40 Exploring Operation: 23+6=29, Resulting Numbers: [63, 29] Generated Node #0,3,1: 66:[63, 29] Operation: 23+6=29 Exploring Operation: 6+63=69, Resulting Numbers: [23, 69] Generated Node #0,3,2: 66:[23, 69] Operation: 6+63=69 Exploring Operation: 23-6=17, Resulting Numbers: [63, 17] Generated Node #0,3,3: 66:[63, 17] Operation: 23-6=17 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[23, 69], Operations: ['3+60=63', '6+63=69'] Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 23*69=1587, Resulting Numbers: [1587] 1587,66 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 23+69=92, Resulting Numbers: [92] 92,66 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 #0,3,0 Current State: 66:[6, 40], Operations: ['3+60=63', '63-23=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,66 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 #0,3,1 Current State: 66:[63, 29], Operations: ['3+60=63', '23+6=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,66 unequal: No Solution Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,66 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 #0,3,3 Current State: 66:[63, 17], Operations: ['3+60=63', '23-6=17'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 63+17=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 63*17=1071, Resulting Numbers: [1071] 1071,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 66:[3, 33], Operations: ['60/6=10', '23+10=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,66 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[3, 13], Operations: ['60/6=10', '23-10=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[23, 7], Operations: ['60/6=10', '10-3=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,66 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[10, 20], Operations: ['60/6=10', '23-3=20'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 10*20=200, Resulting Numbers: [200] 200,66 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 63, 7, 28, 88 ]
51
[ "63/7=9", "88-28=60", "60-9=51" ]
Current State: 51:[63, 7, 28, 88], Operations: [] Exploring Operation: 63/7=9, Resulting Numbers: [28, 88, 9] Generated Node #2: [28, 88, 9] from Operation: 63/7=9 Current State: 51:[28, 88, 9], Operations: ['63/7=9'] Exploring Operation: 88-28=60, Resulting Numbers: [9, 60] Generated Node #3: [9, 60] from Operation: 88-28=60 Current State: 51:[9, 60], Operations: ['63/7=9', '88-28=60'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[63, 7, 28, 88], Operations: [] Exploring Operation: 88-28=60, Resulting Numbers: [63, 7, 60] Generated Node #0,0: 51:[63, 7, 60] Operation: 88-28=60 Exploring Operation: 88-63=25, Resulting Numbers: [7, 28, 25] Generated Node #0,1: 51:[7, 28, 25] Operation: 88-63=25 Exploring Operation: 28/7=4, Resulting Numbers: [63, 88, 4] Generated Node #0,2: 51:[63, 88, 4] Operation: 28/7=4 Moving to Node #0,1 Current State: 51:[7, 28, 25], Operations: ['88-63=25'] Exploring Operation: 28-25=3, Resulting Numbers: [7, 3] Generated Node #0,1,0: 51:[7, 3] Operation: 28-25=3 Exploring Operation: 28+25=53, Resulting Numbers: [7, 53] Generated Node #0,1,1: 51:[7, 53] Operation: 28+25=53 Exploring Operation: 28/7=4, Resulting Numbers: [25, 4] Generated Node #0,1,2: 51:[25, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[7, 3], Operations: ['88-63=25', '28-25=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[7, 53], Operations: ['88-63=25', '28+25=53'] Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 7*53=371, Resulting Numbers: [371] 371,51 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[25, 4], Operations: ['88-63=25', '28/7=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,51 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,51 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 51:[63, 7, 60], Operations: ['88-28=60'] Exploring Operation: 63-7=56, Resulting Numbers: [60, 56] Generated Node #0,0,0: 51:[60, 56] Operation: 63-7=56 Exploring Operation: 60-7=53, Resulting Numbers: [63, 53] Generated Node #0,0,1: 51:[63, 53] Operation: 60-7=53 Exploring Operation: 63-60=3, Resulting Numbers: [7, 3] Generated Node #0,0,2: 51:[7, 3] Operation: 63-60=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[7, 3], Operations: ['88-28=60', '63-60=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,51 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[60, 56], Operations: ['88-28=60', '63-7=56'] Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,51 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[63, 53], Operations: ['88-28=60', '60-7=53'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 51:[63, 88, 4], Operations: ['28/7=4'] Exploring Operation: 88-63=25, Resulting Numbers: [4, 25] Generated Node #0,2,0: 51:[4, 25] Operation: 88-63=25 Exploring Operation: 88/4=22, Resulting Numbers: [63, 22] Generated Node #0,2,1: 51:[63, 22] Operation: 88/4=22 Exploring Operation: 63-4=59, Resulting Numbers: [88, 59] Generated Node #0,2,2: 51:[88, 59] Operation: 63-4=59 Moving to Node #0,2,0 Current State: 51:[4, 25], Operations: ['28/7=4', '88-63=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,51 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[63, 22], Operations: ['28/7=4', '88/4=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,51 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[88, 59], Operations: ['28/7=4', '63-4=59'] Exploring Operation: 88*59=5192, Resulting Numbers: [5192] 5192,51 unequal: No Solution Exploring Operation: 88-59=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 88+59=147, Resulting Numbers: [147] 147,51 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 60, 40, 94 ]
46
[ "2*40=80", "94-60=34", "80-34=46" ]
Current State: 46:[2, 60, 40, 94], Operations: [] Exploring Operation: 2*40=80, Resulting Numbers: [60, 94, 80] Generated Node #2: [60, 94, 80] from Operation: 2*40=80 Current State: 46:[60, 94, 80], Operations: ['2*40=80'] Exploring Operation: 94-60=34, Resulting Numbers: [80, 34] Generated Node #3: [80, 34] from Operation: 94-60=34 Current State: 46:[80, 34], Operations: ['2*40=80', '94-60=34'] Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[2, 60, 40, 94], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [2, 40, 34] Generated Node #0,0: 46:[2, 40, 34] Operation: 94-60=34 Exploring Operation: 94-40=54, Resulting Numbers: [2, 60, 54] Generated Node #0,1: 46:[2, 60, 54] Operation: 94-40=54 Exploring Operation: 94/2=47, Resulting Numbers: [60, 40, 47] Generated Node #0,2: 46:[60, 40, 47] Operation: 94/2=47 Moving to Node #0,0 Current State: 46:[2, 40, 34], Operations: ['94-60=34'] Exploring Operation: 40-34=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 46:[2, 6] Operation: 40-34=6 Exploring Operation: 34/2=17, Resulting Numbers: [40, 17] Generated Node #0,0,1: 46:[40, 17] Operation: 34/2=17 Exploring Operation: 40/2=20, Resulting Numbers: [34, 20] Generated Node #0,0,2: 46:[34, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[2, 6], Operations: ['94-60=34', '40-34=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[40, 17], Operations: ['94-60=34', '34/2=17'] Exploring Operation: 40*17=680, Resulting Numbers: [680] 680,46 unequal: No Solution Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,46 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[34, 20], Operations: ['94-60=34', '40/2=20'] Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,46 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 46:[60, 40, 47], Operations: ['94/2=47'] Exploring Operation: 47-40=7, Resulting Numbers: [60, 7] Generated Node #0,2,0: 46:[60, 7] Operation: 47-40=7 Exploring Operation: 60-40=20, Resulting Numbers: [47, 20] Generated Node #0,2,1: 46:[47, 20] Operation: 60-40=20 Exploring Operation: 60-47=13, Resulting Numbers: [40, 13] Generated Node #0,2,2: 46:[40, 13] Operation: 60-47=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 46:[47, 20], Operations: ['94/2=47', '60-40=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,46 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 46:[40, 13], Operations: ['94/2=47', '60-47=13'] Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,46 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,46 unequal: No Solution Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 46:[60, 7], Operations: ['94/2=47', '47-40=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 46:[2, 60, 54], Operations: ['94-40=54'] Exploring Operation: 54/2=27, Resulting Numbers: [60, 27] Generated Node #0,1,0: 46:[60, 27] Operation: 54/2=27 Exploring Operation: 60/2=30, Resulting Numbers: [54, 30] Generated Node #0,1,1: 46:[54, 30] Operation: 60/2=30 Exploring Operation: 60-54=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 46:[2, 6] Operation: 60-54=6 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 46:[2, 6], Operations: ['94-40=54', '60-54=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[54, 30], Operations: ['94-40=54', '60/2=30'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,46 unequal: No Solution Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,46 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[60, 27], Operations: ['94-40=54', '54/2=27'] Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,46 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 8, 22, 18, 17 ]
50
[ "18-8=10", "22-17=5", "10*5=50" ]
Current State: 50:[8, 22, 18, 17], Operations: [] Exploring Operation: 18-8=10, Resulting Numbers: [22, 17, 10] Generated Node #2: [22, 17, 10] from Operation: 18-8=10 Current State: 50:[22, 17, 10], Operations: ['18-8=10'] Exploring Operation: 22-17=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 22-17=5 Current State: 50:[10, 5], Operations: ['18-8=10', '22-17=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[8, 22, 18, 17], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [8, 18, 5] Generated Node #0,0: 50:[8, 18, 5] Operation: 22-17=5 Exploring Operation: 18-17=1, Resulting Numbers: [8, 22, 1] Generated Node #0,1: 50:[8, 22, 1] Operation: 18-17=1 Exploring Operation: 8+17=25, Resulting Numbers: [22, 18, 25] Generated Node #0,2: 50:[22, 18, 25] Operation: 8+17=25 Exploring Operation: 18-8=10, Resulting Numbers: [22, 17, 10] Generated Node #0,3: 50:[22, 17, 10] Operation: 18-8=10 Exploring Operation: 22-18=4, Resulting Numbers: [8, 17, 4] Generated Node #0,4: 50:[8, 17, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[8, 22, 1], Operations: ['18-17=1'] Exploring Operation: 8-1=7, Resulting Numbers: [22, 7] Generated Node #0,1,0: 50:[22, 7] Operation: 8-1=7 Exploring Operation: 8+1=9, Resulting Numbers: [22, 9] Generated Node #0,1,1: 50:[22, 9] Operation: 8+1=9 Exploring Operation: 22-8=14, Resulting Numbers: [1, 14] Generated Node #0,1,2: 50:[1, 14] Operation: 22-8=14 Exploring Operation: 8*1=8, Resulting Numbers: [22, 8] Generated Node #0,1,3: 50:[22, 8] Operation: 8*1=8 Exploring Operation: 22+1=23, Resulting Numbers: [8, 23] Generated Node #0,1,4: 50:[8, 23] Operation: 22+1=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[22, 9], Operations: ['18-17=1', '8+1=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,50 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 50:[8, 23], Operations: ['18-17=1', '22+1=23'] Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,50 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[22, 7], Operations: ['18-17=1', '8-1=7'] Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,50 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 50:[1, 14], Operations: ['18-17=1', '22-8=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 50:[22, 8], Operations: ['18-17=1', '8*1=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,50 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,50 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[8, 18, 5], Operations: ['22-17=5'] Exploring Operation: 18+5=23, Resulting Numbers: [8, 23] Generated Node #0,0,0: 50:[8, 23] Operation: 18+5=23 Exploring Operation: 8-5=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 50:[18, 3] Operation: 8-5=3 Exploring Operation: 18-8=10, Resulting Numbers: [5, 10] Generated Node #0,0,2: 50:[5, 10] Operation: 18-8=10 Exploring Operation: 8+18=26, Resulting Numbers: [5, 26] Generated Node #0,0,3: 50:[5, 26] Operation: 8+18=26 Exploring Operation: 18-5=13, Resulting Numbers: [8, 13] Generated Node #0,0,4: 50:[8, 13] Operation: 18-5=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 50:[5, 10], Operations: ['22-17=5', '18-8=10'] Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[8, 22, 18, 17], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [8, 18, 5] Generated Node #0,0: 50:[8, 18, 5] Operation: 22-17=5 Moving to Node #0,0 Current State: 50:[8, 18, 5], Operations: ['22-17=5'] Exploring Operation: 18-8=10, Resulting Numbers: [5, 10] Generated Node #0,0,2: 50:[5, 10] Operation: 18-8=10 Moving to Node #0,0,2 Current State: 50:[5, 10], Operations: ['22-17=5', '18-8=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 45, 8, 32, 39 ]
65
[ "45-32=13", "8*13=104", "104-39=65" ]
Current State: 65:[45, 8, 32, 39], Operations: [] Exploring Operation: 45-32=13, Resulting Numbers: [8, 39, 13] Generated Node #2: [8, 39, 13] from Operation: 45-32=13 Current State: 65:[8, 39, 13], Operations: ['45-32=13'] Exploring Operation: 8*13=104, Resulting Numbers: [39, 104] Generated Node #3: [39, 104] from Operation: 8*13=104 Current State: 65:[39, 104], Operations: ['45-32=13', '8*13=104'] Exploring Operation: 104-39=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[45, 8, 32, 39], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [45, 8, 7] Generated Node #0,0: 65:[45, 8, 7] Operation: 39-32=7 Exploring Operation: 45-39=6, Resulting Numbers: [8, 32, 6] Generated Node #0,1: 65:[8, 32, 6] Operation: 45-39=6 Moving to Node #0,1 Current State: 65:[8, 32, 6], Operations: ['45-39=6'] Exploring Operation: 32/8=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 65:[6, 4] Operation: 32/8=4 Exploring Operation: 32-8=24, Resulting Numbers: [6, 24] Generated Node #0,1,1: 65:[6, 24] Operation: 32-8=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[6, 4], Operations: ['45-39=6', '32/8=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[6, 24], Operations: ['45-39=6', '32-8=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[45, 8, 7], Operations: ['39-32=7'] Exploring Operation: 45+8=53, Resulting Numbers: [7, 53] Generated Node #0,0,0: 65:[7, 53] Operation: 45+8=53 Exploring Operation: 45+7=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 65:[8, 52] Operation: 45+7=52 Moving to Node #0,0,0 Current State: 65:[7, 53], Operations: ['39-32=7', '45+8=53'] Exploring Operation: 7+53=60, Resulting Numbers: [60] 60,65 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[8, 52], Operations: ['39-32=7', '45+7=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,65 unequal: No Solution No solution found.
0
hs_2
sum_heuristic