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
[ 81, 19, 24, 4 ]
61
[ "24-19=5", "4*5=20", "81-20=61" ]
Current State: 61:[81, 19, 24, 4], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [81, 4, 5] Generated Node #2: [81, 4, 5] from Operation: 24-19=5 Current State: 61:[81, 4, 5], Operations: ['24-19=5'] Exploring Operation: 4*5=20, Resulting Numbers: [81, 20] Generated Node #3: [81, 20] from Operation: 4*5=20 Current State: 61:[81, 20], Operations: ['24-19=5', '4*5=20'] Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[81, 19, 24, 4], Operations: [] Exploring Operation: 19*4=76, Resulting Numbers: [81, 24, 76] Generated Node #0,0: 61:[81, 24, 76] Operation: 19*4=76 Exploring Operation: 81-19=62, Resulting Numbers: [24, 4, 62] Generated Node #0,1: 61:[24, 4, 62] Operation: 81-19=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[81, 24, 76], Operations: ['19*4=76'] Exploring Operation: 81-24=57, Resulting Numbers: [76, 57] Generated Node #0,0,0: 61:[76, 57] Operation: 81-24=57 Exploring Operation: 76-24=52, Resulting Numbers: [81, 52] Generated Node #0,0,1: 61:[81, 52] Operation: 76-24=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[76, 57], Operations: ['19*4=76', '81-24=57'] Exploring Operation: 76+57=133, Resulting Numbers: [133] 133,61 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[81, 52], Operations: ['19*4=76', '76-24=52'] Exploring Operation: 81+52=133, Resulting Numbers: [133] 133,61 unequal: No Solution Exploring Operation: 81-52=29, Resulting Numbers: [29] 29,61 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[24, 4, 62], Operations: ['81-19=62'] Exploring Operation: 24+4=28, Resulting Numbers: [62, 28] Generated Node #0,1,0: 61:[62, 28] Operation: 24+4=28 Exploring Operation: 24*4=96, Resulting Numbers: [62, 96] Generated Node #0,1,1: 61:[62, 96] Operation: 24*4=96 Moving to Node #0,1,0 Current State: 61:[62, 28], Operations: ['81-19=62', '24+4=28'] Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[62, 96], Operations: ['81-19=62', '24*4=96'] Exploring Operation: 62+96=158, Resulting Numbers: [158] 158,61 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,61 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
[ 10, 5, 28, 74 ]
16
[ "28-10=18", "5*18=90", "90-74=16" ]
Current State: 16:[10, 5, 28, 74], Operations: [] Exploring Operation: 28-10=18, Resulting Numbers: [5, 74, 18] Generated Node #2: [5, 74, 18] from Operation: 28-10=18 Current State: 16:[5, 74, 18], Operations: ['28-10=18'] Exploring Operation: 5*18=90, Resulting Numbers: [74, 90] Generated Node #3: [74, 90] from Operation: 5*18=90 Current State: 16:[74, 90], Operations: ['28-10=18', '5*18=90'] Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[10, 5, 28, 74], Operations: [] Exploring Operation: 74-5=69, Resulting Numbers: [10, 28, 69] Generated Node #0,0: 16:[10, 28, 69] Operation: 74-5=69 Exploring Operation: 74-10=64, Resulting Numbers: [5, 28, 64] Generated Node #0,1: 16:[5, 28, 64] Operation: 74-10=64 Exploring Operation: 28-5=23, Resulting Numbers: [10, 74, 23] Generated Node #0,2: 16:[10, 74, 23] Operation: 28-5=23 Exploring Operation: 74-28=46, Resulting Numbers: [10, 5, 46] Generated Node #0,3: 16:[10, 5, 46] Operation: 74-28=46 Exploring Operation: 28-10=18, Resulting Numbers: [5, 74, 18] Generated Node #0,4: 16:[5, 74, 18] Operation: 28-10=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[10, 5, 46], Operations: ['74-28=46'] Exploring Operation: 10/5=2, Resulting Numbers: [46, 2] Generated Node #0,3,0: 16:[46, 2] Operation: 10/5=2 Exploring Operation: 10+5=15, Resulting Numbers: [46, 15] Generated Node #0,3,1: 16:[46, 15] Operation: 10+5=15 Exploring Operation: 46-5=41, Resulting Numbers: [10, 41] Generated Node #0,3,2: 16:[10, 41] Operation: 46-5=41 Exploring Operation: 10-5=5, Resulting Numbers: [46, 5] Generated Node #0,3,3: 16:[46, 5] Operation: 10-5=5 Exploring Operation: 46-10=36, Resulting Numbers: [5, 36] Generated Node #0,3,4: 16:[5, 36] Operation: 46-10=36 Moving to Node #0,3,4 Current State: 16:[5, 36], Operations: ['74-28=46', '46-10=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,16 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[10, 41], Operations: ['74-28=46', '46-5=41'] Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,16 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,16 unequal: No Solution Moving to Node #0,3,0 Current State: 16:[46, 2], Operations: ['74-28=46', '10/5=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,16 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,16 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,16 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[46, 15], Operations: ['74-28=46', '10+5=15'] Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,16 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[46, 5], Operations: ['74-28=46', '10-5=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,16 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,16 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:[5, 28, 64], Operations: ['74-10=64'] Exploring Operation: 64-28=36, Resulting Numbers: [5, 36] Generated Node #0,1,0: 16:[5, 36] Operation: 64-28=36 Exploring Operation: 64-5=59, Resulting Numbers: [28, 59] Generated Node #0,1,1: 16:[28, 59] Operation: 64-5=59 Exploring Operation: 5+64=69, Resulting Numbers: [28, 69] Generated Node #0,1,2: 16:[28, 69] Operation: 5+64=69 Exploring Operation: 28-5=23, Resulting Numbers: [64, 23] Generated Node #0,1,3: 16:[64, 23] Operation: 28-5=23 Exploring Operation: 5+28=33, Resulting Numbers: [64, 33] Generated Node #0,1,4: 16:[64, 33] Operation: 5+28=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[5, 36], Operations: ['74-10=64', '64-28=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,16 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[28, 59], Operations: ['74-10=64', '64-5=59'] Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,16 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:[64, 23], Operations: ['74-10=64', '28-5=23'] Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 64*23=1472, Resulting Numbers: [1472] 1472,16 unequal: No Solution Exploring Operation: 64+23=87, Resulting Numbers: [87] 87,16 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:[28, 69], Operations: ['74-10=64', '5+64=69'] Exploring Operation: 28+69=97, Resulting Numbers: [97] 97,16 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 28*69=1932, Resulting Numbers: [1932] 1932,16 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:[64, 33], Operations: ['74-10=64', '5+28=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,16 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,16 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,16 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 #0,4 Current State: 16:[5, 74, 18], Operations: ['28-10=18'] Exploring Operation: 74-5=69, Resulting Numbers: [18, 69] Generated Node #0,4,0: 16:[18, 69] Operation: 74-5=69 Exploring Operation: 74-18=56, Resulting Numbers: [5, 56] Generated Node #0,4,1: 16:[5, 56] Operation: 74-18=56 Exploring Operation: 5+18=23, Resulting Numbers: [74, 23] Generated Node #0,4,2: 16:[74, 23] Operation: 5+18=23 Exploring Operation: 5+74=79, Resulting Numbers: [18, 79] Generated Node #0,4,3: 16:[18, 79] Operation: 5+74=79 Exploring Operation: 18-5=13, Resulting Numbers: [74, 13] Generated Node #0,4,4: 16:[74, 13] Operation: 18-5=13 Moving to Node #0,4,1 Current State: 16:[5, 56], Operations: ['28-10=18', '74-18=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,16 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,4,0 Current State: 16:[18, 69], Operations: ['28-10=18', '74-5=69'] Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 18*69=1242, Resulting Numbers: [1242] 1242,16 unequal: No Solution Exploring Operation: 18+69=87, Resulting Numbers: [87] 87,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[74, 13], Operations: ['28-10=18', '18-5=13'] Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,16 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[74, 23], Operations: ['28-10=18', '5+18=23'] Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,16 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,16 unequal: No Solution Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[18, 79], Operations: ['28-10=18', '5+74=79'] Exploring Operation: 18*79=1422, Resulting Numbers: [1422] 1422,16 unequal: No Solution Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[10, 28, 69], Operations: ['74-5=69'] Exploring Operation: 10+28=38, Resulting Numbers: [69, 38] Generated Node #0,0,0: 16:[69, 38] Operation: 10+28=38 Exploring Operation: 69-28=41, Resulting Numbers: [10, 41] Generated Node #0,0,1: 16:[10, 41] Operation: 69-28=41 Exploring Operation: 28-10=18, Resulting Numbers: [69, 18] Generated Node #0,0,2: 16:[69, 18] Operation: 28-10=18 Exploring Operation: 10+69=79, Resulting Numbers: [28, 79] Generated Node #0,0,3: 16:[28, 79] Operation: 10+69=79 Exploring Operation: 69-10=59, Resulting Numbers: [28, 59] Generated Node #0,0,4: 16:[28, 59] Operation: 69-10=59 Moving to Node #0,0,1 Current State: 16:[10, 41], Operations: ['74-5=69', '69-28=41'] Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,16 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[28, 59], Operations: ['74-5=69', '69-10=59'] Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,16 unequal: No Solution Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[69, 18], Operations: ['74-5=69', '28-10=18'] Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 69*18=1242, Resulting Numbers: [1242] 1242,16 unequal: No Solution Exploring Operation: 69+18=87, Resulting Numbers: [87] 87,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[69, 38], Operations: ['74-5=69', '10+28=38'] Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,16 unequal: No Solution Exploring Operation: 69*38=2622, Resulting Numbers: [2622] 2622,16 unequal: No Solution Exploring Operation: 69+38=107, Resulting Numbers: [107] 107,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[28, 79], Operations: ['74-5=69', '10+69=79'] Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,16 unequal: No Solution Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,16 unequal: No Solution Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[10, 74, 23], Operations: ['28-5=23'] Exploring Operation: 74-23=51, Resulting Numbers: [10, 51] Generated Node #0,2,0: 16:[10, 51] Operation: 74-23=51 Exploring Operation: 10+74=84, Resulting Numbers: [23, 84] Generated Node #0,2,1: 16:[23, 84] Operation: 10+74=84 Exploring Operation: 23-10=13, Resulting Numbers: [74, 13] Generated Node #0,2,2: 16:[74, 13] Operation: 23-10=13 Exploring Operation: 10+23=33, Resulting Numbers: [74, 33] Generated Node #0,2,3: 16:[74, 33] Operation: 10+23=33 Exploring Operation: 74-10=64, Resulting Numbers: [23, 64] Generated Node #0,2,4: 16:[23, 64] Operation: 74-10=64 Moving to Node #0,2,0 Current State: 16:[10, 51], Operations: ['28-5=23', '74-23=51'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 10+51=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 10*51=510, Resulting Numbers: [510] 510,16 unequal: No Solution Moving to Node #0,2,4 Current State: 16:[23, 64], Operations: ['28-5=23', '74-10=64'] Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,16 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[74, 13], Operations: ['28-5=23', '23-10=13'] Exploring Operation: 74+13=87, Resulting Numbers: [87] 87,16 unequal: No Solution Exploring Operation: 74*13=962, Resulting Numbers: [962] 962,16 unequal: No Solution Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[23, 84], Operations: ['28-5=23', '10+74=84'] Exploring Operation: 23*84=1932, Resulting Numbers: [1932] 1932,16 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,16 unequal: No Solution Exploring Operation: 23+84=107, Resulting Numbers: [107] 107,16 unequal: No Solution Moving to Node #0,2,3 Current State: 16:[74, 33], Operations: ['28-5=23', '10+23=33'] Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,16 unequal: No Solution Exploring Operation: 74*33=2442, Resulting Numbers: [2442] 2442,16 unequal: No Solution Exploring Operation: 74+33=107, Resulting Numbers: [107] 107,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 83, 6, 35, 72 ]
18
[ "83+6=89", "35+72=107", "107-89=18" ]
Current State: 18:[83, 6, 35, 72], Operations: [] Exploring Operation: 83+6=89, Resulting Numbers: [35, 72, 89] Generated Node #2: [35, 72, 89] from Operation: 83+6=89 Current State: 18:[35, 72, 89], Operations: ['83+6=89'] Exploring Operation: 35+72=107, Resulting Numbers: [89, 107] Generated Node #3: [89, 107] from Operation: 35+72=107 Current State: 18:[89, 107], Operations: ['83+6=89', '35+72=107'] Exploring Operation: 107-89=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[83, 6, 35, 72], Operations: [] Exploring Operation: 72/6=12, Resulting Numbers: [83, 35, 12] Generated Node #0,0: 18:[83, 35, 12] Operation: 72/6=12 Exploring Operation: 83-35=48, Resulting Numbers: [6, 72, 48] Generated Node #0,1: 18:[6, 72, 48] Operation: 83-35=48 Exploring Operation: 72-35=37, Resulting Numbers: [83, 6, 37] Generated Node #0,2: 18:[83, 6, 37] Operation: 72-35=37 Exploring Operation: 83-72=11, Resulting Numbers: [6, 35, 11] Generated Node #0,3: 18:[6, 35, 11] Operation: 83-72=11 Moving to Node #0,3 Current State: 18:[6, 35, 11], Operations: ['83-72=11'] Exploring Operation: 35-11=24, Resulting Numbers: [6, 24] Generated Node #0,3,0: 18:[6, 24] Operation: 35-11=24 Exploring Operation: 11-6=5, Resulting Numbers: [35, 5] Generated Node #0,3,1: 18:[35, 5] Operation: 11-6=5 Exploring Operation: 6+11=17, Resulting Numbers: [35, 17] Generated Node #0,3,2: 18:[35, 17] Operation: 6+11=17 Exploring Operation: 35-6=29, Resulting Numbers: [11, 29] Generated Node #0,3,3: 18:[11, 29] Operation: 35-6=29 Moving to Node #0,2 Current State: 18:[83, 6, 37], Operations: ['72-35=37'] Exploring Operation: 83+6=89, Resulting Numbers: [37, 89] Generated Node #0,2,0: 18:[37, 89] Operation: 83+6=89 Exploring Operation: 83-6=77, Resulting Numbers: [37, 77] Generated Node #0,2,1: 18:[37, 77] Operation: 83-6=77 Exploring Operation: 37-6=31, Resulting Numbers: [83, 31] Generated Node #0,2,2: 18:[83, 31] Operation: 37-6=31 Exploring Operation: 83-37=46, Resulting Numbers: [6, 46] Generated Node #0,2,3: 18:[6, 46] Operation: 83-37=46 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 18:[6, 46], Operations: ['72-35=37', '83-37=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,18 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 18:[37, 77], Operations: ['72-35=37', '83-6=77'] Exploring Operation: 37+77=114, Resulting Numbers: [114] 114,18 unequal: No Solution Exploring Operation: 37*77=2849, Resulting Numbers: [2849] 2849,18 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 18:[83, 31], Operations: ['72-35=37', '37-6=31'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 83+31=114, Resulting Numbers: [114] 114,18 unequal: No Solution Exploring Operation: 83*31=2573, Resulting Numbers: [2573] 2573,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[37, 89], Operations: ['72-35=37', '83+6=89'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,18 unequal: No Solution Exploring Operation: 37+89=126, Resulting Numbers: [126] 126,18 unequal: No Solution Exploring Operation: 37*89=3293, Resulting Numbers: [3293] 3293,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 18:[6, 72, 48], Operations: ['83-35=48'] Exploring Operation: 72-6=66, Resulting Numbers: [48, 66] Generated Node #0,1,0: 18:[48, 66] Operation: 72-6=66 Exploring Operation: 48/6=8, Resulting Numbers: [72, 8] Generated Node #0,1,1: 18:[72, 8] Operation: 48/6=8 Exploring Operation: 72-48=24, Resulting Numbers: [6, 24] Generated Node #0,1,2: 18:[6, 24] Operation: 72-48=24 Exploring Operation: 72/6=12, Resulting Numbers: [48, 12] Generated Node #0,1,3: 18:[48, 12] Operation: 72/6=12 Moving to Node #0,0 Current State: 18:[83, 35, 12], Operations: ['72/6=12'] Exploring Operation: 83-12=71, Resulting Numbers: [35, 71] Generated Node #0,0,0: 18:[35, 71] Operation: 83-12=71 Exploring Operation: 83-35=48, Resulting Numbers: [12, 48] Generated Node #0,0,1: 18:[12, 48] Operation: 83-35=48 Exploring Operation: 83+12=95, Resulting Numbers: [35, 95] Generated Node #0,0,2: 18:[35, 95] Operation: 83+12=95 Exploring Operation: 35-12=23, Resulting Numbers: [83, 23] Generated Node #0,0,3: 18:[83, 23] Operation: 35-12=23 Moving to Node #0,3,0 Current State: 18:[6, 24], Operations: ['83-72=11', '35-11=24'] Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,18 unequal: No Solution Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,18 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[83, 6, 35, 72], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [6, 35, 11] Generated Node #0,3: 18:[6, 35, 11] Operation: 83-72=11 Moving to Node #0,3 Current State: 18:[6, 35, 11], Operations: ['83-72=11'] Exploring Operation: 35-11=24, Resulting Numbers: [6, 24] Generated Node #0,3,0: 18:[6, 24] Operation: 35-11=24 Moving to Node #0,3,0 Current State: 18:[6, 24], Operations: ['83-72=11', '35-11=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 65, 28, 9, 70 ]
95
[ "70-65=5", "28-9=19", "5*19=95" ]
Current State: 95:[65, 28, 9, 70], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [28, 9, 5] Generated Node #2: [28, 9, 5] from Operation: 70-65=5 Current State: 95:[28, 9, 5], Operations: ['70-65=5'] Exploring Operation: 28-9=19, Resulting Numbers: [5, 19] Generated Node #3: [5, 19] from Operation: 28-9=19 Current State: 95:[5, 19], Operations: ['70-65=5', '28-9=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[65, 28, 9, 70], Operations: [] Exploring Operation: 65+28=93, Resulting Numbers: [9, 70, 93] Generated Node #0,0: 95:[9, 70, 93] Operation: 65+28=93 Exploring Operation: 70-65=5, Resulting Numbers: [28, 9, 5] Generated Node #0,1: 95:[28, 9, 5] Operation: 70-65=5 Moving to Node #0,1 Current State: 95:[28, 9, 5], Operations: ['70-65=5'] Exploring Operation: 28-9=19, Resulting Numbers: [5, 19] Generated Node #0,1,0: 95:[5, 19] Operation: 28-9=19 Exploring Operation: 28-5=23, Resulting Numbers: [9, 23] Generated Node #0,1,1: 95:[9, 23] Operation: 28-5=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[5, 19], Operations: ['70-65=5', '28-9=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[65, 28, 9, 70], Operations: [] Exploring Operation: 70-65=5, Resulting Numbers: [28, 9, 5] Generated Node #0,1: 95:[28, 9, 5] Operation: 70-65=5 Moving to Node #0,1 Current State: 95:[28, 9, 5], Operations: ['70-65=5'] Exploring Operation: 28-9=19, Resulting Numbers: [5, 19] Generated Node #0,1,0: 95:[5, 19] Operation: 28-9=19 Moving to Node #0,1,0 Current State: 95:[5, 19], Operations: ['70-65=5', '28-9=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 91, 19, 53, 70 ]
55
[ "91-19=72", "70-53=17", "72-17=55" ]
Current State: 55:[91, 19, 53, 70], Operations: [] Exploring Operation: 91-19=72, Resulting Numbers: [53, 70, 72] Generated Node #2: [53, 70, 72] from Operation: 91-19=72 Current State: 55:[53, 70, 72], Operations: ['91-19=72'] Exploring Operation: 70-53=17, Resulting Numbers: [72, 17] Generated Node #3: [72, 17] from Operation: 70-53=17 Current State: 55:[72, 17], Operations: ['91-19=72', '70-53=17'] Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[91, 19, 53, 70], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [19, 53, 21] Generated Node #0,0: 55:[19, 53, 21] Operation: 91-70=21 Exploring Operation: 70-53=17, Resulting Numbers: [91, 19, 17] Generated Node #0,1: 55:[91, 19, 17] Operation: 70-53=17 Exploring Operation: 91-53=38, Resulting Numbers: [19, 70, 38] Generated Node #0,2: 55:[19, 70, 38] Operation: 91-53=38 Exploring Operation: 91-19=72, Resulting Numbers: [53, 70, 72] Generated Node #0,3: 55:[53, 70, 72] Operation: 91-19=72 Exploring Operation: 70-19=51, Resulting Numbers: [91, 53, 51] Generated Node #0,4: 55:[91, 53, 51] Operation: 70-19=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[19, 53, 21], Operations: ['91-70=21'] Exploring Operation: 53-21=32, Resulting Numbers: [19, 32] Generated Node #0,0,0: 55:[19, 32] Operation: 53-21=32 Exploring Operation: 19+21=40, Resulting Numbers: [53, 40] Generated Node #0,0,1: 55:[53, 40] Operation: 19+21=40 Exploring Operation: 53+21=74, Resulting Numbers: [19, 74] Generated Node #0,0,2: 55:[19, 74] Operation: 53+21=74 Exploring Operation: 19+53=72, Resulting Numbers: [21, 72] Generated Node #0,0,3: 55:[21, 72] Operation: 19+53=72 Exploring Operation: 21-19=2, Resulting Numbers: [53, 2] Generated Node #0,0,4: 55:[53, 2] Operation: 21-19=2 Moving to Node #0,0,4 Current State: 55:[53, 2], Operations: ['91-70=21', '21-19=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[91, 19, 53, 70], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [19, 53, 21] Generated Node #0,0: 55:[19, 53, 21] Operation: 91-70=21 Moving to Node #0,0 Current State: 55:[19, 53, 21], Operations: ['91-70=21'] Exploring Operation: 21-19=2, Resulting Numbers: [53, 2] Generated Node #0,0,4: 55:[53, 2] Operation: 21-19=2 Moving to Node #0,0,4 Current State: 55:[53, 2], Operations: ['91-70=21', '21-19=2'] Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 42, 74, 64, 2 ]
94
[ "74-42=32", "64-2=62", "32+62=94" ]
Current State: 94:[42, 74, 64, 2], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [64, 2, 32] Generated Node #2: [64, 2, 32] from Operation: 74-42=32 Current State: 94:[64, 2, 32], Operations: ['74-42=32'] Exploring Operation: 64-2=62, Resulting Numbers: [32, 62] Generated Node #3: [32, 62] from Operation: 64-2=62 Current State: 94:[32, 62], Operations: ['74-42=32', '64-2=62'] Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[42, 74, 64, 2], Operations: [] Exploring Operation: 42+64=106, Resulting Numbers: [74, 2, 106] Generated Node #0,0: 94:[74, 2, 106] Operation: 42+64=106 Exploring Operation: 74-42=32, Resulting Numbers: [64, 2, 32] Generated Node #0,1: 94:[64, 2, 32] Operation: 74-42=32 Exploring Operation: 74-64=10, Resulting Numbers: [42, 2, 10] Generated Node #0,2: 94:[42, 2, 10] Operation: 74-64=10 Moving to Node #0,2 Current State: 94:[42, 2, 10], Operations: ['74-64=10'] Exploring Operation: 42+10=52, Resulting Numbers: [2, 52] Generated Node #0,2,0: 94:[2, 52] Operation: 42+10=52 Exploring Operation: 42+2=44, Resulting Numbers: [10, 44] Generated Node #0,2,1: 94:[10, 44] Operation: 42+2=44 Exploring Operation: 10/2=5, Resulting Numbers: [42, 5] Generated Node #0,2,2: 94:[42, 5] Operation: 10/2=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[2, 52], Operations: ['74-64=10', '42+10=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,94 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,94 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[42, 5], Operations: ['74-64=10', '10/2=5'] Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,94 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[10, 44], Operations: ['74-64=10', '42+2=44'] Exploring Operation: 10+44=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,94 unequal: No Solution Exploring Operation: 10*44=440, Resulting Numbers: [440] 440,94 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: 94:[74, 2, 106], Operations: ['42+64=106'] Exploring Operation: 74/2=37, Resulting Numbers: [106, 37] Generated Node #0,0,0: 94:[106, 37] Operation: 74/2=37 Exploring Operation: 106-74=32, Resulting Numbers: [2, 32] Generated Node #0,0,1: 94:[2, 32] Operation: 106-74=32 Exploring Operation: 106/2=53, Resulting Numbers: [74, 53] Generated Node #0,0,2: 94:[74, 53] Operation: 106/2=53 Moving to Node #0,1 Current State: 94:[64, 2, 32], Operations: ['74-42=32'] Exploring Operation: 64/32=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 94:[2, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [2, 32] Generated Node #0,1,1: 94:[2, 32] Operation: 64-32=32 Exploring Operation: 64+32=96, Resulting Numbers: [2, 96] Generated Node #0,1,2: 94:[2, 96] Operation: 64+32=96 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[2, 2], Operations: ['74-42=32', '64/32=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[2, 96], Operations: ['74-42=32', '64+32=96'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[42, 74, 64, 2], Operations: [] Exploring Operation: 74-42=32, Resulting Numbers: [64, 2, 32] Generated Node #0,1: 94:[64, 2, 32] Operation: 74-42=32 Moving to Node #0,1 Current State: 94:[64, 2, 32], Operations: ['74-42=32'] Exploring Operation: 64+32=96, Resulting Numbers: [2, 96] Generated Node #0,1,2: 94:[2, 96] Operation: 64+32=96 Moving to Node #0,1,2 Current State: 94:[2, 96], Operations: ['74-42=32', '64+32=96'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
mult_heuristic
[ 12, 73, 56, 4 ]
71
[ "12+73=85", "56/4=14", "85-14=71" ]
Current State: 71:[12, 73, 56, 4], Operations: [] Exploring Operation: 12+73=85, Resulting Numbers: [56, 4, 85] Generated Node #2: [56, 4, 85] from Operation: 12+73=85 Current State: 71:[56, 4, 85], Operations: ['12+73=85'] Exploring Operation: 56/4=14, Resulting Numbers: [85, 14] Generated Node #3: [85, 14] from Operation: 56/4=14 Current State: 71:[85, 14], Operations: ['12+73=85', '56/4=14'] Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[12, 73, 56, 4], Operations: [] Exploring Operation: 56+4=60, Resulting Numbers: [12, 73, 60] Generated Node #0,0: 71:[12, 73, 60] Operation: 56+4=60 Exploring Operation: 12*4=48, Resulting Numbers: [73, 56, 48] Generated Node #0,1: 71:[73, 56, 48] Operation: 12*4=48 Exploring Operation: 12+56=68, Resulting Numbers: [73, 4, 68] Generated Node #0,2: 71:[73, 4, 68] Operation: 12+56=68 Exploring Operation: 12+4=16, Resulting Numbers: [73, 56, 16] Generated Node #0,3: 71:[73, 56, 16] Operation: 12+4=16 Moving to Node #0,1 Current State: 71:[73, 56, 48], Operations: ['12*4=48'] Exploring Operation: 73-48=25, Resulting Numbers: [56, 25] Generated Node #0,1,0: 71:[56, 25] Operation: 73-48=25 Exploring Operation: 56+48=104, Resulting Numbers: [73, 104] Generated Node #0,1,1: 71:[73, 104] Operation: 56+48=104 Exploring Operation: 56-48=8, Resulting Numbers: [73, 8] Generated Node #0,1,2: 71:[73, 8] Operation: 56-48=8 Exploring Operation: 73+48=121, Resulting Numbers: [56, 121] Generated Node #0,1,3: 71:[56, 121] Operation: 73+48=121 Moving to Node #0,2 Current State: 71:[73, 4, 68], Operations: ['12+56=68'] Exploring Operation: 73+4=77, Resulting Numbers: [68, 77] Generated Node #0,2,0: 71:[68, 77] Operation: 73+4=77 Exploring Operation: 73-4=69, Resulting Numbers: [68, 69] Generated Node #0,2,1: 71:[68, 69] Operation: 73-4=69 Exploring Operation: 4+68=72, Resulting Numbers: [73, 72] Generated Node #0,2,2: 71:[73, 72] Operation: 4+68=72 Exploring Operation: 68-4=64, Resulting Numbers: [73, 64] Generated Node #0,2,3: 71:[73, 64] Operation: 68-4=64 Moving to Node #0,0 Current State: 71:[12, 73, 60], Operations: ['56+4=60'] Exploring Operation: 60-12=48, Resulting Numbers: [73, 48] Generated Node #0,0,0: 71:[73, 48] Operation: 60-12=48 Exploring Operation: 73-12=61, Resulting Numbers: [60, 61] Generated Node #0,0,1: 71:[60, 61] Operation: 73-12=61 Exploring Operation: 12+60=72, Resulting Numbers: [73, 72] Generated Node #0,0,2: 71:[73, 72] Operation: 12+60=72 Exploring Operation: 12+73=85, Resulting Numbers: [60, 85] Generated Node #0,0,3: 71:[60, 85] Operation: 12+73=85 Moving to Node #0,3 Current State: 71:[73, 56, 16], Operations: ['12+4=16'] Exploring Operation: 56+16=72, Resulting Numbers: [73, 72] Generated Node #0,3,0: 71:[73, 72] Operation: 56+16=72 Exploring Operation: 73+16=89, Resulting Numbers: [56, 89] Generated Node #0,3,1: 71:[56, 89] Operation: 73+16=89 Exploring Operation: 56-16=40, Resulting Numbers: [73, 40] Generated Node #0,3,2: 71:[73, 40] Operation: 56-16=40 Exploring Operation: 73-16=57, Resulting Numbers: [56, 57] Generated Node #0,3,3: 71:[56, 57] Operation: 73-16=57 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[73, 72], Operations: ['12+4=16', '56+16=72'] Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[56, 57], Operations: ['12+4=16', '73-16=57'] Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[56, 89], Operations: ['12+4=16', '73+16=89'] Exploring Operation: 56+89=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 89-56=33, Resulting Numbers: [33] 33,71 unequal: No Solution Exploring Operation: 56*89=4984, Resulting Numbers: [4984] 4984,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[73, 40], Operations: ['12+4=16', '56-16=40'] Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,71 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,71 unequal: No Solution Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 71:[73, 72], Operations: ['12+56=68', '4+68=72'] Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,71 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[73, 72], Operations: ['56+4=60', '12+60=72'] Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 73*72=5256, Resulting Numbers: [5256] 5256,71 unequal: No Solution Exploring Operation: 73+72=145, Resulting Numbers: [145] 145,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[68, 69], Operations: ['12+56=68', '73-4=69'] Exploring Operation: 68+69=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 69-68=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 68*69=4692, Resulting Numbers: [4692] 4692,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[68, 77], Operations: ['12+56=68', '73+4=77'] Exploring Operation: 68+77=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 68*77=5236, Resulting Numbers: [5236] 5236,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[73, 64], Operations: ['12+56=68', '68-4=64'] Exploring Operation: 73+64=137, Resulting Numbers: [137] 137,71 unequal: No Solution Exploring Operation: 73-64=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 73*64=4672, Resulting Numbers: [4672] 4672,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[60, 61], Operations: ['56+4=60', '73-12=61'] Exploring Operation: 60+61=121, Resulting Numbers: [121] 121,71 unequal: No Solution Exploring Operation: 60*61=3660, Resulting Numbers: [3660] 3660,71 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[73, 48], Operations: ['56+4=60', '60-12=48'] Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 73*48=3504, Resulting Numbers: [3504] 3504,71 unequal: No Solution Exploring Operation: 73+48=121, Resulting Numbers: [121] 121,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[60, 85], Operations: ['56+4=60', '12+73=85'] Exploring Operation: 85-60=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 60+85=145, Resulting Numbers: [145] 145,71 unequal: No Solution Exploring Operation: 60*85=5100, Resulting Numbers: [5100] 5100,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[73, 104], Operations: ['12*4=48', '56+48=104'] Exploring Operation: 73+104=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 73*104=7592, Resulting Numbers: [7592] 7592,71 unequal: No Solution Exploring Operation: 104-73=31, Resulting Numbers: [31] 31,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[56, 25], Operations: ['12*4=48', '73-48=25'] Exploring Operation: 56*25=1400, Resulting Numbers: [1400] 1400,71 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[56, 121], Operations: ['12*4=48', '73+48=121'] Exploring Operation: 56*121=6776, Resulting Numbers: [6776] 6776,71 unequal: No Solution Exploring Operation: 121-56=65, Resulting Numbers: [65] 65,71 unequal: No Solution Exploring Operation: 56+121=177, Resulting Numbers: [177] 177,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[73, 8], Operations: ['12*4=48', '56-48=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,71 unequal: No Solution Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,71 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,71 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 49, 1, 98, 37 ]
86
[ "49*1=49", "98+37=135", "135-49=86" ]
Current State: 86:[49, 1, 98, 37], Operations: [] Exploring Operation: 49*1=49, Resulting Numbers: [98, 37, 49] Generated Node #2: [98, 37, 49] from Operation: 49*1=49 Current State: 86:[98, 37, 49], Operations: ['49*1=49'] Exploring Operation: 98+37=135, Resulting Numbers: [49, 135] Generated Node #3: [49, 135] from Operation: 98+37=135 Current State: 86:[49, 135], Operations: ['49*1=49', '98+37=135'] Exploring Operation: 135-49=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[49, 1, 98, 37], Operations: [] Exploring Operation: 49-1=48, Resulting Numbers: [98, 37, 48] Generated Node #0,0: 86:[98, 37, 48] Operation: 49-1=48 Exploring Operation: 98-49=49, Resulting Numbers: [1, 37, 49] Generated Node #0,1: 86:[1, 37, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [1, 37, 2] Generated Node #0,2: 86:[1, 37, 2] Operation: 98/49=2 Exploring Operation: 49+37=86, Resulting Numbers: [1, 98, 86] Generated Node #0,3: 86:[1, 98, 86] Operation: 49+37=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[1, 37, 2], Operations: ['98/49=2'] Exploring Operation: 1*37=37, Resulting Numbers: [2, 37] Generated Node #0,2,0: 86:[2, 37] Operation: 1*37=37 Exploring Operation: 37+2=39, Resulting Numbers: [1, 39] Generated Node #0,2,1: 86:[1, 39] Operation: 37+2=39 Exploring Operation: 1+37=38, Resulting Numbers: [2, 38] Generated Node #0,2,2: 86:[2, 38] Operation: 1+37=38 Exploring Operation: 37/1=37, Resulting Numbers: [2, 37] Generated Node #0,2,3: 86:[2, 37] Operation: 37/1=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 86:[1, 39], Operations: ['98/49=2', '37+2=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,86 unequal: No Solution No 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: 86:[2, 38], Operations: ['98/49=2', '1+37=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,86 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,86 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,86 unequal: No Solution No 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: 86:[2, 37], Operations: ['98/49=2', '1*37=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,86 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,86 unequal: No Solution No 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: 86:[2, 37], Operations: ['98/49=2', '37/1=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,86 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,86 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,86 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[1, 37, 49], Operations: ['98-49=49'] Exploring Operation: 49-37=12, Resulting Numbers: [1, 12] Generated Node #0,1,0: 86:[1, 12] Operation: 49-37=12 Exploring Operation: 49-1=48, Resulting Numbers: [37, 48] Generated Node #0,1,1: 86:[37, 48] Operation: 49-1=48 Exploring Operation: 1+37=38, Resulting Numbers: [49, 38] Generated Node #0,1,2: 86:[49, 38] Operation: 1+37=38 Exploring Operation: 37+49=86, Resulting Numbers: [1, 86] Generated Node #0,1,3: 86:[1, 86] Operation: 37+49=86 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 86:[1, 86], Operations: ['98-49=49', '37+49=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[49, 1, 98, 37], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [1, 37, 49] Generated Node #0,1: 86:[1, 37, 49] Operation: 98-49=49 Moving to Node #0,1 Current State: 86:[1, 37, 49], Operations: ['98-49=49'] Exploring Operation: 37+49=86, Resulting Numbers: [1, 86] Generated Node #0,1,3: 86:[1, 86] Operation: 37+49=86 Moving to Node #0,1,3 Current State: 86:[1, 86], Operations: ['98-49=49', '37+49=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 31, 85, 49, 51 ]
34
[ "31*51=1581", "85+1581=1666", "1666/49=34" ]
Current State: 34:[31, 85, 49, 51], Operations: [] Exploring Operation: 31*51=1581, Resulting Numbers: [85, 49, 1581] Generated Node #2: [85, 49, 1581] from Operation: 31*51=1581 Current State: 34:[85, 49, 1581], Operations: ['31*51=1581'] Exploring Operation: 85+1581=1666, Resulting Numbers: [49, 1666] Generated Node #3: [49, 1666] from Operation: 85+1581=1666 Current State: 34:[49, 1666], Operations: ['31*51=1581', '85+1581=1666'] Exploring Operation: 1666/49=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[31, 85, 49, 51], Operations: [] Exploring Operation: 85-31=54, Resulting Numbers: [49, 51, 54] Generated Node #0,0: 34:[49, 51, 54] Operation: 85-31=54 Exploring Operation: 85-51=34, Resulting Numbers: [31, 49, 34] Generated Node #0,1: 34:[31, 49, 34] Operation: 85-51=34 Exploring Operation: 85-49=36, Resulting Numbers: [31, 51, 36] Generated Node #0,2: 34:[31, 51, 36] Operation: 85-49=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[31, 49, 34], Operations: ['85-51=34'] Exploring Operation: 49-31=18, Resulting Numbers: [34, 18] Generated Node #0,1,0: 34:[34, 18] Operation: 49-31=18 Exploring Operation: 34-31=3, Resulting Numbers: [49, 3] Generated Node #0,1,1: 34:[49, 3] Operation: 34-31=3 Exploring Operation: 49-34=15, Resulting Numbers: [31, 15] Generated Node #0,1,2: 34:[31, 15] Operation: 49-34=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[34, 18], Operations: ['85-51=34', '49-31=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,34 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,34 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[31, 15], Operations: ['85-51=34', '49-34=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,34 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[49, 3], Operations: ['85-51=34', '34-31=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,34 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[31, 51, 36], Operations: ['85-49=36'] Exploring Operation: 51-36=15, Resulting Numbers: [31, 15] Generated Node #0,2,0: 34:[31, 15] Operation: 51-36=15 Exploring Operation: 51-31=20, Resulting Numbers: [36, 20] Generated Node #0,2,1: 34:[36, 20] Operation: 51-31=20 Exploring Operation: 36-31=5, Resulting Numbers: [51, 5] Generated Node #0,2,2: 34:[51, 5] Operation: 36-31=5 Moving to Node #0,2,0 Current State: 34:[31, 15], Operations: ['85-49=36', '51-36=15'] Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[36, 20], Operations: ['85-49=36', '51-31=20'] Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[51, 5], Operations: ['85-49=36', '36-31=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[49, 51, 54], Operations: ['85-31=54'] Exploring Operation: 54-49=5, Resulting Numbers: [51, 5] Generated Node #0,0,0: 34:[51, 5] Operation: 54-49=5 Exploring Operation: 54-51=3, Resulting Numbers: [49, 3] Generated Node #0,0,1: 34:[49, 3] Operation: 54-51=3 Exploring Operation: 51-49=2, Resulting Numbers: [54, 2] Generated Node #0,0,2: 34:[54, 2] Operation: 51-49=2 Moving to Node #0,0,1 Current State: 34:[49, 3], Operations: ['85-31=54', '54-51=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,34 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,34 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[51, 5], Operations: ['85-31=54', '54-49=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,34 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[54, 2], Operations: ['85-31=54', '51-49=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 4, 30, 10, 63 ]
47
[ "4*30=120", "10+63=73", "120-73=47" ]
Current State: 47:[4, 30, 10, 63], Operations: [] Exploring Operation: 4*30=120, Resulting Numbers: [10, 63, 120] Generated Node #2: [10, 63, 120] from Operation: 4*30=120 Current State: 47:[10, 63, 120], Operations: ['4*30=120'] Exploring Operation: 10+63=73, Resulting Numbers: [120, 73] Generated Node #3: [120, 73] from Operation: 10+63=73 Current State: 47:[120, 73], Operations: ['4*30=120', '10+63=73'] Exploring Operation: 120-73=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[4, 30, 10, 63], Operations: [] Exploring Operation: 4+30=34, Resulting Numbers: [10, 63, 34] Generated Node #0,0: 47:[10, 63, 34] Operation: 4+30=34 Exploring Operation: 4*10=40, Resulting Numbers: [30, 63, 40] Generated Node #0,1: 47:[30, 63, 40] Operation: 4*10=40 Moving to Node #0,1 Current State: 47:[30, 63, 40], Operations: ['4*10=40'] Exploring Operation: 63-30=33, Resulting Numbers: [40, 33] Generated Node #0,1,0: 47:[40, 33] Operation: 63-30=33 Exploring Operation: 30+40=70, Resulting Numbers: [63, 70] Generated Node #0,1,1: 47:[63, 70] Operation: 30+40=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[40, 33], Operations: ['4*10=40', '63-30=33'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,47 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[63, 70], Operations: ['4*10=40', '30+40=70'] Exploring Operation: 63+70=133, Resulting Numbers: [133] 133,47 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,47 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: 47:[10, 63, 34], Operations: ['4+30=34'] Exploring Operation: 63-10=53, Resulting Numbers: [34, 53] Generated Node #0,0,0: 47:[34, 53] Operation: 63-10=53 Exploring Operation: 10+34=44, Resulting Numbers: [63, 44] Generated Node #0,0,1: 47:[63, 44] Operation: 10+34=44 Moving to Node #0,0,0 Current State: 47:[34, 53], Operations: ['4+30=34', '63-10=53'] Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[63, 44], Operations: ['4+30=34', '10+34=44'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 91, 80, 8, 8 ]
91
[ "8-8=0", "80*0=0", "91+0=91" ]
Current State: 91:[91, 80, 8, 8], Operations: [] Exploring Operation: 8-8=0, Resulting Numbers: [91, 80, 0] Generated Node #2: [91, 80, 0] from Operation: 8-8=0 Current State: 91:[91, 80, 0], Operations: ['8-8=0'] Exploring Operation: 80*0=0, Resulting Numbers: [91, 0] Generated Node #3: [91, 0] from Operation: 80*0=0 Current State: 91:[91, 0], Operations: ['8-8=0', '80*0=0'] Exploring Operation: 91+0=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[91, 80, 8, 8], Operations: [] Exploring Operation: 80+8=88, Resulting Numbers: [91, 8, 88] Generated Node #0,0: 91:[91, 8, 88] Operation: 80+8=88 Exploring Operation: 91-80=11, Resulting Numbers: [8, 8, 11] Generated Node #0,1: 91:[8, 8, 11] Operation: 91-80=11 Exploring Operation: 80+8=88, Resulting Numbers: [91, 8, 88] Generated Node #0,2: 91:[91, 8, 88] Operation: 80+8=88 Exploring Operation: 80/8=10, Resulting Numbers: [91, 8, 10] Generated Node #0,3: 91:[91, 8, 10] Operation: 80/8=10 Exploring Operation: 80/8=10, Resulting Numbers: [91, 8, 10] Generated Node #0,4: 91:[91, 8, 10] Operation: 80/8=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[91, 8, 88], Operations: ['80+8=88'] Exploring Operation: 91-8=83, Resulting Numbers: [88, 83] Generated Node #0,0,0: 91:[88, 83] Operation: 91-8=83 Exploring Operation: 88/8=11, Resulting Numbers: [91, 11] Generated Node #0,0,1: 91:[91, 11] Operation: 88/8=11 Exploring Operation: 8+88=96, Resulting Numbers: [91, 96] Generated Node #0,0,2: 91:[91, 96] Operation: 8+88=96 Exploring Operation: 91+8=99, Resulting Numbers: [88, 99] Generated Node #0,0,3: 91:[88, 99] Operation: 91+8=99 Exploring Operation: 91-88=3, Resulting Numbers: [8, 3] Generated Node #0,0,4: 91:[8, 3] Operation: 91-88=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[91, 11], Operations: ['80+8=88', '88/8=11'] Exploring Operation: 91*11=1001, Resulting Numbers: [1001] 1001,91 unequal: No Solution Exploring Operation: 91+11=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 91:[91, 96], Operations: ['80+8=88', '8+88=96'] Exploring Operation: 91*96=8736, Resulting Numbers: [8736] 8736,91 unequal: No Solution Exploring Operation: 96-91=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 91+96=187, Resulting Numbers: [187] 187,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 91:[8, 3], Operations: ['80+8=88', '91-88=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[88, 83], Operations: ['80+8=88', '91-8=83'] Exploring Operation: 88+83=171, Resulting Numbers: [171] 171,91 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 88*83=7304, Resulting Numbers: [7304] 7304,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 91:[88, 99], Operations: ['80+8=88', '91+8=99'] Exploring Operation: 88+99=187, Resulting Numbers: [187] 187,91 unequal: No Solution Exploring Operation: 88*99=8712, Resulting Numbers: [8712] 8712,91 unequal: No Solution Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[8, 8, 11], Operations: ['91-80=11'] Exploring Operation: 8*11=88, Resulting Numbers: [8, 88] Generated Node #0,1,0: 91:[8, 88] Operation: 8*11=88 Exploring Operation: 11-8=3, Resulting Numbers: [8, 3] Generated Node #0,1,1: 91:[8, 3] Operation: 11-8=3 Exploring Operation: 11-8=3, Resulting Numbers: [8, 3] Generated Node #0,1,2: 91:[8, 3] Operation: 11-8=3 Exploring Operation: 8*11=88, Resulting Numbers: [8, 88] Generated Node #0,1,3: 91:[8, 88] Operation: 8*11=88 Exploring Operation: 8+8=16, Resulting Numbers: [11, 16] Generated Node #0,1,4: 91:[11, 16] Operation: 8+8=16 Moving to Node #0,1,0 Current State: 91:[8, 88], Operations: ['91-80=11', '8*11=88'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 8+88=96, Resulting Numbers: [96] 96,91 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,91 unequal: No Solution Exploring Operation: 8*88=704, Resulting Numbers: [704] 704,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[8, 88], Operations: ['91-80=11', '8*11=88'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 8*88=704, Resulting Numbers: [704] 704,91 unequal: No Solution Exploring Operation: 8+88=96, Resulting Numbers: [96] 96,91 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[8, 3], Operations: ['91-80=11', '11-8=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[8, 3], Operations: ['91-80=11', '11-8=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[11, 16], Operations: ['91-80=11', '8+8=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,91 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,91 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[91, 8, 88], Operations: ['80+8=88'] Exploring Operation: 88/8=11, Resulting Numbers: [91, 11] Generated Node #0,2,0: 91:[91, 11] Operation: 88/8=11 Exploring Operation: 91-8=83, Resulting Numbers: [88, 83] Generated Node #0,2,1: 91:[88, 83] Operation: 91-8=83 Exploring Operation: 91-88=3, Resulting Numbers: [8, 3] Generated Node #0,2,2: 91:[8, 3] Operation: 91-88=3 Exploring Operation: 8+88=96, Resulting Numbers: [91, 96] Generated Node #0,2,3: 91:[91, 96] Operation: 8+88=96 Exploring Operation: 91+8=99, Resulting Numbers: [88, 99] Generated Node #0,2,4: 91:[88, 99] Operation: 91+8=99 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[91, 11], Operations: ['80+8=88', '88/8=11'] Exploring Operation: 91*11=1001, Resulting Numbers: [1001] 1001,91 unequal: No Solution Exploring Operation: 91+11=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 91-11=80, Resulting Numbers: [80] 80,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[8, 3], Operations: ['80+8=88', '91-88=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 91:[91, 96], Operations: ['80+8=88', '8+88=96'] Exploring Operation: 91+96=187, Resulting Numbers: [187] 187,91 unequal: No Solution Exploring Operation: 96-91=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 91*96=8736, Resulting Numbers: [8736] 8736,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[88, 83], Operations: ['80+8=88', '91-8=83'] Exploring Operation: 88*83=7304, Resulting Numbers: [7304] 7304,91 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 88+83=171, Resulting Numbers: [171] 171,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 91:[88, 99], Operations: ['80+8=88', '91+8=99'] Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,91 unequal: No Solution Exploring Operation: 88+99=187, Resulting Numbers: [187] 187,91 unequal: No Solution Exploring Operation: 88*99=8712, Resulting Numbers: [8712] 8712,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 91:[91, 8, 10], Operations: ['80/8=10'] Exploring Operation: 91-8=83, Resulting Numbers: [10, 83] Generated Node #0,3,0: 91:[10, 83] Operation: 91-8=83 Exploring Operation: 10-8=2, Resulting Numbers: [91, 2] Generated Node #0,3,1: 91:[91, 2] Operation: 10-8=2 Exploring Operation: 91+8=99, Resulting Numbers: [10, 99] Generated Node #0,3,2: 91:[10, 99] Operation: 91+8=99 Exploring Operation: 91+10=101, Resulting Numbers: [8, 101] Generated Node #0,3,3: 91:[8, 101] Operation: 91+10=101 Exploring Operation: 8+10=18, Resulting Numbers: [91, 18] Generated Node #0,3,4: 91:[91, 18] Operation: 8+10=18 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 91:[91, 2], Operations: ['80/8=10', '10-8=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 91:[91, 18], Operations: ['80/8=10', '8+10=18'] Exploring Operation: 91*18=1638, Resulting Numbers: [1638] 1638,91 unequal: No Solution Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 91+18=109, Resulting Numbers: [109] 109,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 91:[10, 83], Operations: ['80/8=10', '91-8=83'] Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 91:[10, 99], Operations: ['80/8=10', '91+8=99'] Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 10*99=990, Resulting Numbers: [990] 990,91 unequal: No Solution Exploring Operation: 10+99=109, Resulting Numbers: [109] 109,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 91:[8, 101], Operations: ['80/8=10', '91+10=101'] Exploring Operation: 8*101=808, Resulting Numbers: [808] 808,91 unequal: No Solution Exploring Operation: 8+101=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 101-8=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 91:[91, 8, 10], Operations: ['80/8=10'] Exploring Operation: 91+10=101, Resulting Numbers: [8, 101] Generated Node #0,4,0: 91:[8, 101] Operation: 91+10=101 Exploring Operation: 8+10=18, Resulting Numbers: [91, 18] Generated Node #0,4,1: 91:[91, 18] Operation: 8+10=18 Exploring Operation: 10-8=2, Resulting Numbers: [91, 2] Generated Node #0,4,2: 91:[91, 2] Operation: 10-8=2 Exploring Operation: 91+8=99, Resulting Numbers: [10, 99] Generated Node #0,4,3: 91:[10, 99] Operation: 91+8=99 Exploring Operation: 91-8=83, Resulting Numbers: [10, 83] Generated Node #0,4,4: 91:[10, 83] Operation: 91-8=83 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 91:[91, 18], Operations: ['80/8=10', '8+10=18'] Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 91*18=1638, Resulting Numbers: [1638] 1638,91 unequal: No Solution Exploring Operation: 91+18=109, Resulting Numbers: [109] 109,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 91:[91, 2], Operations: ['80/8=10', '10-8=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 91:[8, 101], Operations: ['80/8=10', '91+10=101'] Exploring Operation: 8*101=808, Resulting Numbers: [808] 808,91 unequal: No Solution Exploring Operation: 8+101=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 101-8=93, Resulting Numbers: [93] 93,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 91:[10, 99], Operations: ['80/8=10', '91+8=99'] Exploring Operation: 10*99=990, Resulting Numbers: [990] 990,91 unequal: No Solution Exploring Operation: 10+99=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 99-10=89, Resulting Numbers: [89] 89,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 91:[10, 83], Operations: ['80/8=10', '91-8=83'] Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 99, 17, 95, 22 ]
20
[ "99-95=4", "22-17=5", "4*5=20" ]
Current State: 20:[99, 17, 95, 22], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [17, 22, 4] Generated Node #2: [17, 22, 4] from Operation: 99-95=4 Current State: 20:[17, 22, 4], Operations: ['99-95=4'] Exploring Operation: 22-17=5, Resulting Numbers: [4, 5] Generated Node #3: [4, 5] from Operation: 22-17=5 Current State: 20:[4, 5], Operations: ['99-95=4', '22-17=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[99, 17, 95, 22], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [17, 22, 4] Generated Node #0,0: 20:[17, 22, 4] Operation: 99-95=4 Exploring Operation: 99-17=82, Resulting Numbers: [95, 22, 82] Generated Node #0,1: 20:[95, 22, 82] Operation: 99-17=82 Exploring Operation: 95-22=73, Resulting Numbers: [99, 17, 73] Generated Node #0,2: 20:[99, 17, 73] Operation: 95-22=73 Exploring Operation: 99-22=77, Resulting Numbers: [17, 95, 77] Generated Node #0,3: 20:[17, 95, 77] Operation: 99-22=77 Moving to Node #0,0 Current State: 20:[17, 22, 4], Operations: ['99-95=4'] Exploring Operation: 22-4=18, Resulting Numbers: [17, 18] Generated Node #0,0,0: 20:[17, 18] Operation: 22-4=18 Exploring Operation: 17-4=13, Resulting Numbers: [22, 13] Generated Node #0,0,1: 20:[22, 13] Operation: 17-4=13 Exploring Operation: 22-17=5, Resulting Numbers: [4, 5] Generated Node #0,0,2: 20:[4, 5] Operation: 22-17=5 Exploring Operation: 17+4=21, Resulting Numbers: [22, 21] Generated Node #0,0,3: 20:[22, 21] Operation: 17+4=21 Moving to Node #0,3 Current State: 20:[17, 95, 77], Operations: ['99-22=77'] Exploring Operation: 95-77=18, Resulting Numbers: [17, 18] Generated Node #0,3,0: 20:[17, 18] Operation: 95-77=18 Exploring Operation: 95-17=78, Resulting Numbers: [77, 78] Generated Node #0,3,1: 20:[77, 78] Operation: 95-17=78 Exploring Operation: 17+95=112, Resulting Numbers: [77, 112] Generated Node #0,3,2: 20:[77, 112] Operation: 17+95=112 Exploring Operation: 77-17=60, Resulting Numbers: [95, 60] Generated Node #0,3,3: 20:[95, 60] Operation: 77-17=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[17, 18], Operations: ['99-22=77', '95-77=18'] Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 17*18=306, Resulting Numbers: [306] 306,20 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,20 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 #0,3,1 Current State: 20:[77, 78], Operations: ['99-22=77', '95-17=78'] Exploring Operation: 77*78=6006, Resulting Numbers: [6006] 6006,20 unequal: No Solution Exploring Operation: 78-77=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 77+78=155, Resulting Numbers: [155] 155,20 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 #0,3,3 Current State: 20:[95, 60], Operations: ['99-22=77', '77-17=60'] Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,20 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,20 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 #0,3,2 Current State: 20:[77, 112], Operations: ['99-22=77', '17+95=112'] Exploring Operation: 77*112=8624, Resulting Numbers: [8624] 8624,20 unequal: No Solution Exploring Operation: 112-77=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 77+112=189, Resulting Numbers: [189] 189,20 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:[99, 17, 73], Operations: ['95-22=73'] Exploring Operation: 99+17=116, Resulting Numbers: [73, 116] Generated Node #0,2,0: 20:[73, 116] Operation: 99+17=116 Exploring Operation: 99-73=26, Resulting Numbers: [17, 26] Generated Node #0,2,1: 20:[17, 26] Operation: 99-73=26 Exploring Operation: 99-17=82, Resulting Numbers: [73, 82] Generated Node #0,2,2: 20:[73, 82] Operation: 99-17=82 Exploring Operation: 73-17=56, Resulting Numbers: [99, 56] Generated Node #0,2,3: 20:[99, 56] Operation: 73-17=56 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[17, 26], Operations: ['95-22=73', '99-73=26'] Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,20 unequal: No Solution Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,20 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:[73, 82], Operations: ['95-22=73', '99-17=82'] Exploring Operation: 82-73=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 73+82=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 73*82=5986, Resulting Numbers: [5986] 5986,20 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:[99, 56], Operations: ['95-22=73', '73-17=56'] Exploring Operation: 99+56=155, Resulting Numbers: [155] 155,20 unequal: No Solution Exploring Operation: 99-56=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 99*56=5544, Resulting Numbers: [5544] 5544,20 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:[73, 116], Operations: ['95-22=73', '99+17=116'] Exploring Operation: 73+116=189, Resulting Numbers: [189] 189,20 unequal: No Solution Exploring Operation: 116-73=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 73*116=8468, Resulting Numbers: [8468] 8468,20 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:[95, 22, 82], Operations: ['99-17=82'] Exploring Operation: 95-22=73, Resulting Numbers: [82, 73] Generated Node #0,1,0: 20:[82, 73] Operation: 95-22=73 Exploring Operation: 95-82=13, Resulting Numbers: [22, 13] Generated Node #0,1,1: 20:[22, 13] Operation: 95-82=13 Exploring Operation: 95+22=117, Resulting Numbers: [82, 117] Generated Node #0,1,2: 20:[82, 117] Operation: 95+22=117 Exploring Operation: 82-22=60, Resulting Numbers: [95, 60] Generated Node #0,1,3: 20:[95, 60] Operation: 82-22=60 Moving to Node #0,0,2 Current State: 20:[4, 5], Operations: ['99-95=4', '22-17=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[99, 17, 95, 22], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [17, 22, 4] Generated Node #0,0: 20:[17, 22, 4] Operation: 99-95=4 Moving to Node #0,0 Current State: 20:[17, 22, 4], Operations: ['99-95=4'] Exploring Operation: 22-17=5, Resulting Numbers: [4, 5] Generated Node #0,0,2: 20:[4, 5] Operation: 22-17=5 Moving to Node #0,0,2 Current State: 20:[4, 5], Operations: ['99-95=4', '22-17=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 94, 52, 47, 32 ]
86
[ "94/47=2", "52+32=84", "2+84=86" ]
Current State: 86:[94, 52, 47, 32], Operations: [] Exploring Operation: 94/47=2, Resulting Numbers: [52, 32, 2] Generated Node #2: [52, 32, 2] from Operation: 94/47=2 Current State: 86:[52, 32, 2], Operations: ['94/47=2'] Exploring Operation: 52+32=84, Resulting Numbers: [2, 84] Generated Node #3: [2, 84] from Operation: 52+32=84 Current State: 86:[2, 84], Operations: ['94/47=2', '52+32=84'] Exploring Operation: 2+84=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[94, 52, 47, 32], Operations: [] Exploring Operation: 52+32=84, Resulting Numbers: [94, 47, 84] Generated Node #0,0: 86:[94, 47, 84] Operation: 52+32=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[94, 47, 84], Operations: ['52+32=84'] Exploring Operation: 94/47=2, Resulting Numbers: [84, 2] Generated Node #0,0,0: 86:[84, 2] Operation: 94/47=2 Moving to Node #0,0,0 Current State: 86:[84, 2], Operations: ['52+32=84', '94/47=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[94, 52, 47, 32], Operations: [] Exploring Operation: 52+32=84, Resulting Numbers: [94, 47, 84] Generated Node #0,0: 86:[94, 47, 84] Operation: 52+32=84 Moving to Node #0,0 Current State: 86:[94, 47, 84], Operations: ['52+32=84'] Exploring Operation: 94/47=2, Resulting Numbers: [84, 2] Generated Node #0,0,0: 86:[84, 2] Operation: 94/47=2 Moving to Node #0,0,0 Current State: 86:[84, 2], Operations: ['52+32=84', '94/47=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 75, 33, 99, 32 ]
46
[ "75-32=43", "99/33=3", "43+3=46" ]
Current State: 46:[75, 33, 99, 32], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [33, 99, 43] Generated Node #2: [33, 99, 43] from Operation: 75-32=43 Current State: 46:[33, 99, 43], Operations: ['75-32=43'] Exploring Operation: 99/33=3, Resulting Numbers: [43, 3] Generated Node #3: [43, 3] from Operation: 99/33=3 Current State: 46:[43, 3], Operations: ['75-32=43', '99/33=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[75, 33, 99, 32], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [33, 32, 24] Generated Node #0,0: 46:[33, 32, 24] Operation: 99-75=24 Exploring Operation: 99/33=3, Resulting Numbers: [75, 32, 3] Generated Node #0,1: 46:[75, 32, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [75, 32, 66] Generated Node #0,2: 46:[75, 32, 66] Operation: 99-33=66 Moving to Node #0,0 Current State: 46:[33, 32, 24], Operations: ['99-75=24'] Exploring Operation: 32-24=8, Resulting Numbers: [33, 8] Generated Node #0,0,0: 46:[33, 8] Operation: 32-24=8 Exploring Operation: 33-24=9, Resulting Numbers: [32, 9] Generated Node #0,0,1: 46:[32, 9] Operation: 33-24=9 Exploring Operation: 33-32=1, Resulting Numbers: [24, 1] Generated Node #0,0,2: 46:[24, 1] Operation: 33-32=1 Moving to Node #0,1 Current State: 46:[75, 32, 3], Operations: ['99/33=3'] Exploring Operation: 75/3=25, Resulting Numbers: [32, 25] Generated Node #0,1,0: 46:[32, 25] Operation: 75/3=25 Exploring Operation: 75-32=43, Resulting Numbers: [3, 43] Generated Node #0,1,1: 46:[3, 43] Operation: 75-32=43 Exploring Operation: 75-3=72, Resulting Numbers: [32, 72] Generated Node #0,1,2: 46:[32, 72] Operation: 75-3=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[3, 43], Operations: ['99/33=3', '75-32=43'] Exploring Operation: 3*43=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[75, 33, 99, 32], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [75, 32, 3] Generated Node #0,1: 46:[75, 32, 3] Operation: 99/33=3 Moving to Node #0,1 Current State: 46:[75, 32, 3], Operations: ['99/33=3'] Exploring Operation: 75-32=43, Resulting Numbers: [3, 43] Generated Node #0,1,1: 46:[3, 43] Operation: 75-32=43 Moving to Node #0,1,1 Current State: 46:[3, 43], Operations: ['99/33=3', '75-32=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 51, 21, 20, 67 ]
77
[ "51-21=30", "67-20=47", "30+47=77" ]
Current State: 77:[51, 21, 20, 67], Operations: [] Exploring Operation: 51-21=30, Resulting Numbers: [20, 67, 30] Generated Node #2: [20, 67, 30] from Operation: 51-21=30 Current State: 77:[20, 67, 30], Operations: ['51-21=30'] Exploring Operation: 67-20=47, Resulting Numbers: [30, 47] Generated Node #3: [30, 47] from Operation: 67-20=47 Current State: 77:[30, 47], Operations: ['51-21=30', '67-20=47'] Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[51, 21, 20, 67], Operations: [] Exploring Operation: 51+21=72, Resulting Numbers: [20, 67, 72] Generated Node #0,0: 77:[20, 67, 72] Operation: 51+21=72 Exploring Operation: 67-51=16, Resulting Numbers: [21, 20, 16] Generated Node #0,1: 77:[21, 20, 16] Operation: 67-51=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[20, 67, 72], Operations: ['51+21=72'] Exploring Operation: 20+67=87, Resulting Numbers: [72, 87] Generated Node #0,0,0: 77:[72, 87] Operation: 20+67=87 Exploring Operation: 72-67=5, Resulting Numbers: [20, 5] Generated Node #0,0,1: 77:[20, 5] Operation: 72-67=5 Moving to Node #0,0,1 Current State: 77:[20, 5], Operations: ['51+21=72', '72-67=5'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[72, 87], Operations: ['51+21=72', '20+67=87'] Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,77 unequal: No Solution Exploring Operation: 72+87=159, Resulting Numbers: [159] 159,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[21, 20, 16], Operations: ['67-51=16'] Exploring Operation: 21-16=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 77:[20, 5] Operation: 21-16=5 Exploring Operation: 21-20=1, Resulting Numbers: [16, 1] Generated Node #0,1,1: 77:[16, 1] Operation: 21-20=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 77:[20, 5], Operations: ['67-51=16', '21-16=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[16, 1], Operations: ['67-51=16', '21-20=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 69, 76, 30, 55 ]
92
[ "76-69=7", "30+55=85", "7+85=92" ]
Current State: 92:[69, 76, 30, 55], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [30, 55, 7] Generated Node #2: [30, 55, 7] from Operation: 76-69=7 Current State: 92:[30, 55, 7], Operations: ['76-69=7'] Exploring Operation: 30+55=85, Resulting Numbers: [7, 85] Generated Node #3: [7, 85] from Operation: 30+55=85 Current State: 92:[7, 85], Operations: ['76-69=7', '30+55=85'] Exploring Operation: 7+85=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[69, 76, 30, 55], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [30, 55, 7] Generated Node #0,0: 92:[30, 55, 7] Operation: 76-69=7 Moving to Node #0,0 Current State: 92:[30, 55, 7], Operations: ['76-69=7'] Exploring Operation: 55-30=25, Resulting Numbers: [7, 25] Generated Node #0,0,0: 92:[7, 25] Operation: 55-30=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[7, 25], Operations: ['76-69=7', '55-30=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 68, 38, 32, 91 ]
29
[ "68-38=30", "91-32=59", "59-30=29" ]
Current State: 29:[68, 38, 32, 91], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [32, 91, 30] Generated Node #2: [32, 91, 30] from Operation: 68-38=30 Current State: 29:[32, 91, 30], Operations: ['68-38=30'] Exploring Operation: 91-32=59, Resulting Numbers: [30, 59] Generated Node #3: [30, 59] from Operation: 91-32=59 Current State: 29:[30, 59], Operations: ['68-38=30', '91-32=59'] Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[68, 38, 32, 91], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [32, 91, 30] Generated Node #0,0: 29:[32, 91, 30] Operation: 68-38=30 Exploring Operation: 91-68=23, Resulting Numbers: [38, 32, 23] Generated Node #0,1: 29:[38, 32, 23] Operation: 91-68=23 Exploring Operation: 91-38=53, Resulting Numbers: [68, 32, 53] Generated Node #0,2: 29:[68, 32, 53] Operation: 91-38=53 Exploring Operation: 91-32=59, Resulting Numbers: [68, 38, 59] Generated Node #0,3: 29:[68, 38, 59] Operation: 91-32=59 Exploring Operation: 68-32=36, Resulting Numbers: [38, 91, 36] Generated Node #0,4: 29:[38, 91, 36] Operation: 68-32=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[38, 32, 23], Operations: ['91-68=23'] Exploring Operation: 38-32=6, Resulting Numbers: [23, 6] Generated Node #0,1,0: 29:[23, 6] Operation: 38-32=6 Exploring Operation: 32+23=55, Resulting Numbers: [38, 55] Generated Node #0,1,1: 29:[38, 55] Operation: 32+23=55 Exploring Operation: 38+23=61, Resulting Numbers: [32, 61] Generated Node #0,1,2: 29:[32, 61] Operation: 38+23=61 Exploring Operation: 32-23=9, Resulting Numbers: [38, 9] Generated Node #0,1,3: 29:[38, 9] Operation: 32-23=9 Exploring Operation: 38-23=15, Resulting Numbers: [32, 15] Generated Node #0,1,4: 29:[32, 15] Operation: 38-23=15 Moving to Node #0,1,4 Current State: 29:[32, 15], Operations: ['91-68=23', '38-23=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,29 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[38, 9], Operations: ['91-68=23', '32-23=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[68, 38, 32, 91], Operations: [] Exploring Operation: 91-68=23, Resulting Numbers: [38, 32, 23] Generated Node #0,1: 29:[38, 32, 23] Operation: 91-68=23 Moving to Node #0,1 Current State: 29:[38, 32, 23], Operations: ['91-68=23'] Exploring Operation: 32-23=9, Resulting Numbers: [38, 9] Generated Node #0,1,3: 29:[38, 9] Operation: 32-23=9 Moving to Node #0,1,3 Current State: 29:[38, 9], Operations: ['91-68=23', '32-23=9'] Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 91, 6, 8, 27 ]
59
[ "91+27=118", "8-6=2", "118/2=59" ]
Current State: 59:[91, 6, 8, 27], Operations: [] Exploring Operation: 91+27=118, Resulting Numbers: [6, 8, 118] Generated Node #2: [6, 8, 118] from Operation: 91+27=118 Current State: 59:[6, 8, 118], Operations: ['91+27=118'] Exploring Operation: 8-6=2, Resulting Numbers: [118, 2] Generated Node #3: [118, 2] from Operation: 8-6=2 Current State: 59:[118, 2], Operations: ['91+27=118', '8-6=2'] Exploring Operation: 118/2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[91, 6, 8, 27], Operations: [] Exploring Operation: 91-6=85, Resulting Numbers: [8, 27, 85] Generated Node #0,0: 59:[8, 27, 85] Operation: 91-6=85 Exploring Operation: 6*8=48, Resulting Numbers: [91, 27, 48] Generated Node #0,1: 59:[91, 27, 48] Operation: 6*8=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[91, 27, 48], Operations: ['6*8=48'] Exploring Operation: 91-48=43, Resulting Numbers: [27, 43] Generated Node #0,1,0: 59:[27, 43] Operation: 91-48=43 Exploring Operation: 91-27=64, Resulting Numbers: [48, 64] Generated Node #0,1,1: 59:[48, 64] Operation: 91-27=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[48, 64], Operations: ['6*8=48', '91-27=64'] Exploring Operation: 48+64=112, Resulting Numbers: [112] 112,59 unequal: No Solution Exploring Operation: 64-48=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[27, 43], Operations: ['6*8=48', '91-48=43'] Exploring Operation: 27+43=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[8, 27, 85], Operations: ['91-6=85'] Exploring Operation: 85-8=77, Resulting Numbers: [27, 77] Generated Node #0,0,0: 59:[27, 77] Operation: 85-8=77 Exploring Operation: 8+27=35, Resulting Numbers: [85, 35] Generated Node #0,0,1: 59:[85, 35] Operation: 8+27=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[27, 77], Operations: ['91-6=85', '85-8=77'] Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 27+77=104, Resulting Numbers: [104] 104,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[85, 35], Operations: ['91-6=85', '8+27=35'] Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,59 unequal: No Solution Exploring Operation: 85+35=120, Resulting Numbers: [120] 120,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 56, 32, 28, 92 ]
32
[ "56+32=88", "28+92=120", "120-88=32" ]
Current State: 32:[56, 32, 28, 92], Operations: [] Exploring Operation: 56+32=88, Resulting Numbers: [28, 92, 88] Generated Node #2: [28, 92, 88] from Operation: 56+32=88 Current State: 32:[28, 92, 88], Operations: ['56+32=88'] Exploring Operation: 28+92=120, Resulting Numbers: [88, 120] Generated Node #3: [88, 120] from Operation: 28+92=120 Current State: 32:[88, 120], Operations: ['56+32=88', '28+92=120'] Exploring Operation: 120-88=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[56, 32, 28, 92], Operations: [] Exploring Operation: 92-32=60, Resulting Numbers: [56, 28, 60] Generated Node #0,0: 32:[56, 28, 60] Operation: 92-32=60 Exploring Operation: 92-28=64, Resulting Numbers: [56, 32, 64] Generated Node #0,1: 32:[56, 32, 64] Operation: 92-28=64 Exploring Operation: 92-56=36, Resulting Numbers: [32, 28, 36] Generated Node #0,2: 32:[32, 28, 36] Operation: 92-56=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[32, 28, 36], Operations: ['92-56=36'] Exploring Operation: 36-32=4, Resulting Numbers: [28, 4] Generated Node #0,2,0: 32:[28, 4] Operation: 36-32=4 Exploring Operation: 32-28=4, Resulting Numbers: [36, 4] Generated Node #0,2,1: 32:[36, 4] Operation: 32-28=4 Exploring Operation: 36-28=8, Resulting Numbers: [32, 8] Generated Node #0,2,2: 32:[32, 8] Operation: 36-28=8 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 32:[32, 8], Operations: ['92-56=36', '36-28=8'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,32 unequal: No Solution No 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: 32:[28, 4], Operations: ['92-56=36', '36-32=4'] Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[56, 32, 28, 92], Operations: [] Exploring Operation: 92-56=36, Resulting Numbers: [32, 28, 36] Generated Node #0,2: 32:[32, 28, 36] Operation: 92-56=36 Moving to Node #0,2 Current State: 32:[32, 28, 36], Operations: ['92-56=36'] Exploring Operation: 36-32=4, Resulting Numbers: [28, 4] Generated Node #0,2,0: 32:[28, 4] Operation: 36-32=4 Moving to Node #0,2,0 Current State: 32:[28, 4], Operations: ['92-56=36', '36-32=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 63, 45, 10, 55 ]
35
[ "63-55=8", "10*8=80", "80-45=35" ]
Current State: 35:[63, 45, 10, 55], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [45, 10, 8] Generated Node #2: [45, 10, 8] from Operation: 63-55=8 Current State: 35:[45, 10, 8], Operations: ['63-55=8'] Exploring Operation: 10*8=80, Resulting Numbers: [45, 80] Generated Node #3: [45, 80] from Operation: 10*8=80 Current State: 35:[45, 80], Operations: ['63-55=8', '10*8=80'] Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[63, 45, 10, 55], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [45, 10, 8] Generated Node #0,0: 35:[45, 10, 8] Operation: 63-55=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[45, 10, 8], Operations: ['63-55=8'] Exploring Operation: 45-10=35, Resulting Numbers: [8, 35] Generated Node #0,0,0: 35:[8, 35] Operation: 45-10=35 Moving to Node #0,0,0 Current State: 35:[8, 35], Operations: ['63-55=8', '45-10=35'] Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,35 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
[ 6, 18, 96, 85 ]
17
[ "96-6=90", "18*85=1530", "1530/90=17" ]
Current State: 17:[6, 18, 96, 85], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [18, 85, 90] Generated Node #2: [18, 85, 90] from Operation: 96-6=90 Current State: 17:[18, 85, 90], Operations: ['96-6=90'] Exploring Operation: 18*85=1530, Resulting Numbers: [90, 1530] Generated Node #3: [90, 1530] from Operation: 18*85=1530 Current State: 17:[90, 1530], Operations: ['96-6=90', '18*85=1530'] Exploring Operation: 1530/90=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[6, 18, 96, 85], Operations: [] Exploring Operation: 96-85=11, Resulting Numbers: [6, 18, 11] Generated Node #0,0: 17:[6, 18, 11] Operation: 96-85=11 Exploring Operation: 96/6=16, Resulting Numbers: [18, 85, 16] Generated Node #0,1: 17:[18, 85, 16] Operation: 96/6=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[6, 18, 11], Operations: ['96-85=11'] Exploring Operation: 18-6=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 17:[11, 12] Operation: 18-6=12 Exploring Operation: 6+11=17, Resulting Numbers: [18, 17] Generated Node #0,0,1: 17:[18, 17] Operation: 6+11=17 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[18, 17], Operations: ['96-85=11', '6+11=17'] Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[11, 12], Operations: ['96-85=11', '18-6=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,17 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[18, 85, 16], Operations: ['96/6=16'] Exploring Operation: 85-18=67, Resulting Numbers: [16, 67] Generated Node #0,1,0: 17:[16, 67] Operation: 85-18=67 Exploring Operation: 85-16=69, Resulting Numbers: [18, 69] Generated Node #0,1,1: 17:[18, 69] Operation: 85-16=69 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[16, 67], Operations: ['96/6=16', '85-18=67'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,17 unequal: No Solution Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[18, 69], Operations: ['96/6=16', '85-16=69'] Exploring Operation: 18+69=87, Resulting Numbers: [87] 87,17 unequal: No Solution Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 93, 12, 14, 56 ]
19
[ "93+56=149", "12*14=168", "168-149=19" ]
Current State: 19:[93, 12, 14, 56], Operations: [] Exploring Operation: 93+56=149, Resulting Numbers: [12, 14, 149] Generated Node #2: [12, 14, 149] from Operation: 93+56=149 Current State: 19:[12, 14, 149], Operations: ['93+56=149'] Exploring Operation: 12*14=168, Resulting Numbers: [149, 168] Generated Node #3: [149, 168] from Operation: 12*14=168 Current State: 19:[149, 168], Operations: ['93+56=149', '12*14=168'] Exploring Operation: 168-149=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[93, 12, 14, 56], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [93, 12, 4] Generated Node #0,0: 19:[93, 12, 4] Operation: 56/14=4 Exploring Operation: 93-12=81, Resulting Numbers: [14, 56, 81] Generated Node #0,1: 19:[14, 56, 81] Operation: 93-12=81 Exploring Operation: 93-56=37, Resulting Numbers: [12, 14, 37] Generated Node #0,2: 19:[12, 14, 37] Operation: 93-56=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[12, 14, 37], Operations: ['93-56=37'] Exploring Operation: 37-12=25, Resulting Numbers: [14, 25] Generated Node #0,2,0: 19:[14, 25] Operation: 37-12=25 Exploring Operation: 12+14=26, Resulting Numbers: [37, 26] Generated Node #0,2,1: 19:[37, 26] Operation: 12+14=26 Exploring Operation: 37-14=23, Resulting Numbers: [12, 23] Generated Node #0,2,2: 19:[12, 23] Operation: 37-14=23 Moving to Node #0,2,0 Current State: 19:[14, 25], Operations: ['93-56=37', '37-12=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,19 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[12, 23], Operations: ['93-56=37', '37-14=23'] Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,19 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[37, 26], Operations: ['93-56=37', '12+14=26'] Exploring Operation: 37+26=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 37*26=962, Resulting Numbers: [962] 962,19 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[93, 12, 4], Operations: ['56/14=4'] Exploring Operation: 12+4=16, Resulting Numbers: [93, 16] Generated Node #0,0,0: 19:[93, 16] Operation: 12+4=16 Exploring Operation: 93-12=81, Resulting Numbers: [4, 81] Generated Node #0,0,1: 19:[4, 81] Operation: 93-12=81 Exploring Operation: 93-4=89, Resulting Numbers: [12, 89] Generated Node #0,0,2: 19:[12, 89] Operation: 93-4=89 Moving to Node #0,0,0 Current State: 19:[93, 16], Operations: ['56/14=4', '12+4=16'] Exploring Operation: 93-16=77, Resulting Numbers: [77] 77,19 unequal: No Solution Exploring Operation: 93*16=1488, Resulting Numbers: [1488] 1488,19 unequal: No Solution Exploring Operation: 93+16=109, Resulting Numbers: [109] 109,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[4, 81], Operations: ['56/14=4', '93-12=81'] Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,19 unequal: No Solution Exploring Operation: 4+81=85, Resulting Numbers: [85] 85,19 unequal: No Solution Exploring Operation: 4*81=324, Resulting Numbers: [324] 324,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[12, 89], Operations: ['56/14=4', '93-4=89'] Exploring Operation: 89-12=77, Resulting Numbers: [77] 77,19 unequal: No Solution Exploring Operation: 12*89=1068, Resulting Numbers: [1068] 1068,19 unequal: No Solution Exploring Operation: 12+89=101, Resulting Numbers: [101] 101,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[14, 56, 81], Operations: ['93-12=81'] Exploring Operation: 56/14=4, Resulting Numbers: [81, 4] Generated Node #0,1,0: 19:[81, 4] Operation: 56/14=4 Exploring Operation: 81-56=25, Resulting Numbers: [14, 25] Generated Node #0,1,1: 19:[14, 25] Operation: 81-56=25 Exploring Operation: 56-14=42, Resulting Numbers: [81, 42] Generated Node #0,1,2: 19:[81, 42] Operation: 56-14=42 Moving to Node #0,1,1 Current State: 19:[14, 25], Operations: ['93-12=81', '81-56=25'] Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[81, 4], Operations: ['93-12=81', '56/14=4'] Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,19 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,19 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[81, 42], Operations: ['93-12=81', '56-14=42'] Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,19 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 27, 52, 82, 83 ]
79
[ "27+52=79", "83-82=1", "79*1=79" ]
Current State: 79:[27, 52, 82, 83], Operations: [] Exploring Operation: 27+52=79, Resulting Numbers: [82, 83, 79] Generated Node #2: [82, 83, 79] from Operation: 27+52=79 Current State: 79:[82, 83, 79], Operations: ['27+52=79'] Exploring Operation: 83-82=1, Resulting Numbers: [79, 1] Generated Node #3: [79, 1] from Operation: 83-82=1 Current State: 79:[79, 1], Operations: ['27+52=79', '83-82=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[27, 52, 82, 83], Operations: [] Exploring Operation: 27+52=79, Resulting Numbers: [82, 83, 79] Generated Node #0,0: 79:[82, 83, 79] Operation: 27+52=79 Exploring Operation: 83-27=56, Resulting Numbers: [52, 82, 56] Generated Node #0,1: 79:[52, 82, 56] Operation: 83-27=56 Moving to Node #0,0 Current State: 79:[82, 83, 79], Operations: ['27+52=79'] Exploring Operation: 83-82=1, Resulting Numbers: [79, 1] Generated Node #0,0,0: 79:[79, 1] Operation: 83-82=1 Exploring Operation: 83-79=4, Resulting Numbers: [82, 4] Generated Node #0,0,1: 79:[82, 4] Operation: 83-79=4 Moving to Node #0,1 Current State: 79:[52, 82, 56], Operations: ['83-27=56'] Exploring Operation: 52+56=108, Resulting Numbers: [82, 108] Generated Node #0,1,0: 79:[82, 108] Operation: 52+56=108 Exploring Operation: 82-52=30, Resulting Numbers: [56, 30] Generated Node #0,1,1: 79:[56, 30] Operation: 82-52=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[82, 108], Operations: ['83-27=56', '52+56=108'] Exploring Operation: 108-82=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 82+108=190, Resulting Numbers: [190] 190,79 unequal: No Solution No 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: 79:[56, 30], Operations: ['83-27=56', '82-52=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,79 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,79 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: 79:[79, 1], Operations: ['27+52=79', '83-82=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[27, 52, 82, 83], Operations: [] Exploring Operation: 27+52=79, Resulting Numbers: [82, 83, 79] Generated Node #0,0: 79:[82, 83, 79] Operation: 27+52=79 Moving to Node #0,0 Current State: 79:[82, 83, 79], Operations: ['27+52=79'] Exploring Operation: 83-82=1, Resulting Numbers: [79, 1] Generated Node #0,0,0: 79:[79, 1] Operation: 83-82=1 Moving to Node #0,0,0 Current State: 79:[79, 1], Operations: ['27+52=79', '83-82=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 46, 48, 59, 30 ]
88
[ "48-46=2", "59*2=118", "118-30=88" ]
Current State: 88:[46, 48, 59, 30], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [59, 30, 2] Generated Node #2: [59, 30, 2] from Operation: 48-46=2 Current State: 88:[59, 30, 2], Operations: ['48-46=2'] Exploring Operation: 59*2=118, Resulting Numbers: [30, 118] Generated Node #3: [30, 118] from Operation: 59*2=118 Current State: 88:[30, 118], Operations: ['48-46=2', '59*2=118'] Exploring Operation: 118-30=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[46, 48, 59, 30], Operations: [] Exploring Operation: 59+30=89, Resulting Numbers: [46, 48, 89] Generated Node #0,0: 88:[46, 48, 89] Operation: 59+30=89 Exploring Operation: 59-48=11, Resulting Numbers: [46, 30, 11] Generated Node #0,1: 88:[46, 30, 11] Operation: 59-48=11 Moving to Node #0,0 Current State: 88:[46, 48, 89], Operations: ['59+30=89'] Exploring Operation: 89-46=43, Resulting Numbers: [48, 43] Generated Node #0,0,0: 88:[48, 43] Operation: 89-46=43 Exploring Operation: 48-46=2, Resulting Numbers: [89, 2] Generated Node #0,0,1: 88:[89, 2] Operation: 48-46=2 Moving to Node #0,1 Current State: 88:[46, 30, 11], Operations: ['59-48=11'] Exploring Operation: 46-30=16, Resulting Numbers: [11, 16] Generated Node #0,1,0: 88:[11, 16] Operation: 46-30=16 Exploring Operation: 30+11=41, Resulting Numbers: [46, 41] Generated Node #0,1,1: 88:[46, 41] Operation: 30+11=41 Moving to Node #0,0,1 Current State: 88:[89, 2], Operations: ['59+30=89', '48-46=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,88 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[11, 16], Operations: ['59-48=11', '46-30=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[48, 43], Operations: ['59+30=89', '89-46=43'] Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,88 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[46, 41], Operations: ['59-48=11', '30+11=41'] Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 46+41=87, Resulting Numbers: [87] 87,88 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 90, 88, 99, 48 ]
49
[ "90-88=2", "99-48=51", "51-2=49" ]
Current State: 49:[90, 88, 99, 48], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [99, 48, 2] Generated Node #2: [99, 48, 2] from Operation: 90-88=2 Current State: 49:[99, 48, 2], Operations: ['90-88=2'] Exploring Operation: 99-48=51, Resulting Numbers: [2, 51] Generated Node #3: [2, 51] from Operation: 99-48=51 Current State: 49:[2, 51], Operations: ['90-88=2', '99-48=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[90, 88, 99, 48], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [90, 48, 11] Generated Node #0,0: 49:[90, 48, 11] Operation: 99-88=11 Exploring Operation: 99-90=9, Resulting Numbers: [88, 48, 9] Generated Node #0,1: 49:[88, 48, 9] Operation: 99-90=9 Exploring Operation: 90-88=2, Resulting Numbers: [99, 48, 2] Generated Node #0,2: 49:[99, 48, 2] Operation: 90-88=2 Moving to Node #0,1 Current State: 49:[88, 48, 9], Operations: ['99-90=9'] Exploring Operation: 48+9=57, Resulting Numbers: [88, 57] Generated Node #0,1,0: 49:[88, 57] Operation: 48+9=57 Exploring Operation: 88-9=79, Resulting Numbers: [48, 79] Generated Node #0,1,1: 49:[48, 79] Operation: 88-9=79 Exploring Operation: 88-48=40, Resulting Numbers: [9, 40] Generated Node #0,1,2: 49:[9, 40] Operation: 88-48=40 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[9, 40], Operations: ['99-90=9', '88-48=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[90, 88, 99, 48], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [88, 48, 9] Generated Node #0,1: 49:[88, 48, 9] Operation: 99-90=9 Moving to Node #0,1 Current State: 49:[88, 48, 9], Operations: ['99-90=9'] Exploring Operation: 88-48=40, Resulting Numbers: [9, 40] Generated Node #0,1,2: 49:[9, 40] Operation: 88-48=40 Moving to Node #0,1,2 Current State: 49:[9, 40], Operations: ['99-90=9', '88-48=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 75, 11, 9, 84 ]
12
[ "75+9=84", "84/84=1", "11+1=12" ]
Current State: 12:[75, 11, 9, 84], Operations: [] Exploring Operation: 75+9=84, Resulting Numbers: [11, 84, 84] Generated Node #2: [11, 84, 84] from Operation: 75+9=84 Current State: 12:[11, 84, 84], Operations: ['75+9=84'] Exploring Operation: 84/84=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 84/84=1 Current State: 12:[11, 1], Operations: ['75+9=84', '84/84=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[75, 11, 9, 84], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [11, 9, 9] Generated Node #0,0: 12:[11, 9, 9] Operation: 84-75=9 Exploring Operation: 75-11=64, Resulting Numbers: [9, 84, 64] Generated Node #0,1: 12:[9, 84, 64] Operation: 75-11=64 Moving to Node #0,0 Current State: 12:[11, 9, 9], Operations: ['84-75=9'] Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 12:[11, 1] Operation: 9/9=1 Exploring Operation: 11-9=2, Resulting Numbers: [9, 2] Generated Node #0,0,1: 12:[9, 2] Operation: 11-9=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[11, 1], Operations: ['84-75=9', '9/9=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[75, 11, 9, 84], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [11, 9, 9] Generated Node #0,0: 12:[11, 9, 9] Operation: 84-75=9 Moving to Node #0,0 Current State: 12:[11, 9, 9], Operations: ['84-75=9'] Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 12:[11, 1] Operation: 9/9=1 Moving to Node #0,0,0 Current State: 12:[11, 1], Operations: ['84-75=9', '9/9=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 74, 6, 21, 93 ]
55
[ "21+93=114", "114/6=19", "74-19=55" ]
Current State: 55:[74, 6, 21, 93], Operations: [] Exploring Operation: 21+93=114, Resulting Numbers: [74, 6, 114] Generated Node #2: [74, 6, 114] from Operation: 21+93=114 Current State: 55:[74, 6, 114], Operations: ['21+93=114'] Exploring Operation: 114/6=19, Resulting Numbers: [74, 19] Generated Node #3: [74, 19] from Operation: 114/6=19 Current State: 55:[74, 19], Operations: ['21+93=114', '114/6=19'] Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[74, 6, 21, 93], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [74, 6, 72] Generated Node #0,0: 55:[74, 6, 72] Operation: 93-21=72 Exploring Operation: 93-74=19, Resulting Numbers: [6, 21, 19] Generated Node #0,1: 55:[6, 21, 19] Operation: 93-74=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[6, 21, 19], Operations: ['93-74=19'] Exploring Operation: 21-6=15, Resulting Numbers: [19, 15] Generated Node #0,1,0: 55:[19, 15] Operation: 21-6=15 Exploring Operation: 21-19=2, Resulting Numbers: [6, 2] Generated Node #0,1,1: 55:[6, 2] Operation: 21-19=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[6, 2], Operations: ['93-74=19', '21-19=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,55 unequal: No Solution No 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: 55:[19, 15], Operations: ['93-74=19', '21-6=15'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,55 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: 55:[74, 6, 72], Operations: ['93-21=72'] Exploring Operation: 72/6=12, Resulting Numbers: [74, 12] Generated Node #0,0,0: 55:[74, 12] Operation: 72/6=12 Exploring Operation: 74-72=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 55:[6, 2] Operation: 74-72=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[6, 2], Operations: ['93-21=72', '74-72=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,55 unequal: No Solution No 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: 55:[74, 12], Operations: ['93-21=72', '72/6=12'] Exploring Operation: 74-12=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 74+12=86, Resulting Numbers: [86] 86,55 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
[ 81, 11, 74, 10 ]
67
[ "81-11=70", "70/10=7", "74-7=67" ]
Current State: 67:[81, 11, 74, 10], Operations: [] Exploring Operation: 81-11=70, Resulting Numbers: [74, 10, 70] Generated Node #2: [74, 10, 70] from Operation: 81-11=70 Current State: 67:[74, 10, 70], Operations: ['81-11=70'] Exploring Operation: 70/10=7, Resulting Numbers: [74, 7] Generated Node #3: [74, 7] from Operation: 70/10=7 Current State: 67:[74, 7], Operations: ['81-11=70', '70/10=7'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[81, 11, 74, 10], Operations: [] Exploring Operation: 81-11=70, Resulting Numbers: [74, 10, 70] Generated Node #0,0: 67:[74, 10, 70] Operation: 81-11=70 Exploring Operation: 81-10=71, Resulting Numbers: [11, 74, 71] Generated Node #0,1: 67:[11, 74, 71] Operation: 81-10=71 Exploring Operation: 11*10=110, Resulting Numbers: [81, 74, 110] Generated Node #0,2: 67:[81, 74, 110] Operation: 11*10=110 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[81, 74, 110], Operations: ['11*10=110'] Exploring Operation: 110-81=29, Resulting Numbers: [74, 29] Generated Node #0,2,0: 67:[74, 29] Operation: 110-81=29 Exploring Operation: 81-74=7, Resulting Numbers: [110, 7] Generated Node #0,2,1: 67:[110, 7] Operation: 81-74=7 Exploring Operation: 110-74=36, Resulting Numbers: [81, 36] Generated Node #0,2,2: 67:[81, 36] Operation: 110-74=36 Moving to Node #0,2,0 Current State: 67:[74, 29], Operations: ['11*10=110', '110-81=29'] Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 74*29=2146, Resulting Numbers: [2146] 2146,67 unequal: No Solution Exploring Operation: 74+29=103, Resulting Numbers: [103] 103,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[81, 36], Operations: ['11*10=110', '110-74=36'] Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,67 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[110, 7], Operations: ['11*10=110', '81-74=7'] Exploring Operation: 110-7=103, Resulting Numbers: [103] 103,67 unequal: No Solution Exploring Operation: 110*7=770, Resulting Numbers: [770] 770,67 unequal: No Solution Exploring Operation: 110+7=117, Resulting Numbers: [117] 117,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[74, 10, 70], Operations: ['81-11=70'] Exploring Operation: 74+10=84, Resulting Numbers: [70, 84] Generated Node #0,0,0: 67:[70, 84] Operation: 74+10=84 Exploring Operation: 70-10=60, Resulting Numbers: [74, 60] Generated Node #0,0,1: 67:[74, 60] Operation: 70-10=60 Exploring Operation: 74-10=64, Resulting Numbers: [70, 64] Generated Node #0,0,2: 67:[70, 64] Operation: 74-10=64 Moving to Node #0,0,2 Current State: 67:[70, 64], Operations: ['81-11=70', '74-10=64'] Exploring Operation: 70*64=4480, Resulting Numbers: [4480] 4480,67 unequal: No Solution Exploring Operation: 70+64=134, Resulting Numbers: [134] 134,67 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[74, 60], Operations: ['81-11=70', '70-10=60'] Exploring Operation: 74+60=134, Resulting Numbers: [134] 134,67 unequal: No Solution Exploring Operation: 74*60=4440, Resulting Numbers: [4440] 4440,67 unequal: No Solution Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[70, 84], Operations: ['81-11=70', '74+10=84'] Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,67 unequal: No Solution Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,67 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[11, 74, 71], Operations: ['81-10=71'] Exploring Operation: 71-11=60, Resulting Numbers: [74, 60] Generated Node #0,1,0: 67:[74, 60] Operation: 71-11=60 Exploring Operation: 11+74=85, Resulting Numbers: [71, 85] Generated Node #0,1,1: 67:[71, 85] Operation: 11+74=85 Exploring Operation: 74-11=63, Resulting Numbers: [71, 63] Generated Node #0,1,2: 67:[71, 63] Operation: 74-11=63 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[71, 63], Operations: ['81-10=71', '74-11=63'] Exploring Operation: 71+63=134, Resulting Numbers: [134] 134,67 unequal: No Solution Exploring Operation: 71*63=4473, Resulting Numbers: [4473] 4473,67 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[74, 60], Operations: ['81-10=71', '71-11=60'] Exploring Operation: 74-60=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 74+60=134, Resulting Numbers: [134] 134,67 unequal: No Solution Exploring Operation: 74*60=4440, Resulting Numbers: [4440] 4440,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[71, 85], Operations: ['81-10=71', '11+74=85'] Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 71*85=6035, Resulting Numbers: [6035] 6035,67 unequal: No Solution Exploring Operation: 71+85=156, Resulting Numbers: [156] 156,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 27, 63, 93, 78 ]
75
[ "27+63=90", "93-78=15", "90-15=75" ]
Current State: 75:[27, 63, 93, 78], Operations: [] Exploring Operation: 27+63=90, Resulting Numbers: [93, 78, 90] Generated Node #2: [93, 78, 90] from Operation: 27+63=90 Current State: 75:[93, 78, 90], Operations: ['27+63=90'] Exploring Operation: 93-78=15, Resulting Numbers: [90, 15] Generated Node #3: [90, 15] from Operation: 93-78=15 Current State: 75:[90, 15], Operations: ['27+63=90', '93-78=15'] Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[27, 63, 93, 78], Operations: [] Exploring Operation: 78-63=15, Resulting Numbers: [27, 93, 15] Generated Node #0,0: 75:[27, 93, 15] Operation: 78-63=15 Exploring Operation: 93-78=15, Resulting Numbers: [27, 63, 15] Generated Node #0,1: 75:[27, 63, 15] Operation: 93-78=15 Exploring Operation: 93-63=30, Resulting Numbers: [27, 78, 30] Generated Node #0,2: 75:[27, 78, 30] Operation: 93-63=30 Exploring Operation: 93-27=66, Resulting Numbers: [63, 78, 66] Generated Node #0,3: 75:[63, 78, 66] Operation: 93-27=66 Moving to Node #0,2 Current State: 75:[27, 78, 30], Operations: ['93-63=30'] Exploring Operation: 78-27=51, Resulting Numbers: [30, 51] Generated Node #0,2,0: 75:[30, 51] Operation: 78-27=51 Exploring Operation: 27+30=57, Resulting Numbers: [78, 57] Generated Node #0,2,1: 75:[78, 57] Operation: 27+30=57 Exploring Operation: 30-27=3, Resulting Numbers: [78, 3] Generated Node #0,2,2: 75:[78, 3] Operation: 30-27=3 Exploring Operation: 78-30=48, Resulting Numbers: [27, 48] Generated Node #0,2,3: 75:[27, 48] Operation: 78-30=48 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[78, 3], Operations: ['93-63=30', '30-27=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[27, 63, 93, 78], Operations: [] Exploring Operation: 93-63=30, Resulting Numbers: [27, 78, 30] Generated Node #0,2: 75:[27, 78, 30] Operation: 93-63=30 Moving to Node #0,2 Current State: 75:[27, 78, 30], Operations: ['93-63=30'] Exploring Operation: 30-27=3, Resulting Numbers: [78, 3] Generated Node #0,2,2: 75:[78, 3] Operation: 30-27=3 Moving to Node #0,2,2 Current State: 75:[78, 3], Operations: ['93-63=30', '30-27=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 82, 5, 63, 36 ]
61
[ "5+36=41", "82/41=2", "63-2=61" ]
Current State: 61:[82, 5, 63, 36], Operations: [] Exploring Operation: 5+36=41, Resulting Numbers: [82, 63, 41] Generated Node #2: [82, 63, 41] from Operation: 5+36=41 Current State: 61:[82, 63, 41], Operations: ['5+36=41'] Exploring Operation: 82/41=2, Resulting Numbers: [63, 2] Generated Node #3: [63, 2] from Operation: 82/41=2 Current State: 61:[63, 2], Operations: ['5+36=41', '82/41=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[82, 5, 63, 36], Operations: [] Exploring Operation: 82-5=77, Resulting Numbers: [63, 36, 77] Generated Node #0,0: 61:[63, 36, 77] Operation: 82-5=77 Moving to Node #0,0 Current State: 61:[63, 36, 77], Operations: ['82-5=77'] Exploring Operation: 77-36=41, Resulting Numbers: [63, 41] Generated Node #0,0,0: 61:[63, 41] Operation: 77-36=41 Moving to Node #0,0,0 Current State: 61:[63, 41], Operations: ['82-5=77', '77-36=41'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,61 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 57, 99, 53, 24 ]
13
[ "99-57=42", "53-24=29", "42-29=13" ]
Current State: 13:[57, 99, 53, 24], Operations: [] Exploring Operation: 99-57=42, Resulting Numbers: [53, 24, 42] Generated Node #2: [53, 24, 42] from Operation: 99-57=42 Current State: 13:[53, 24, 42], Operations: ['99-57=42'] Exploring Operation: 53-24=29, Resulting Numbers: [42, 29] Generated Node #3: [42, 29] from Operation: 53-24=29 Current State: 13:[42, 29], Operations: ['99-57=42', '53-24=29'] Exploring Operation: 42-29=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[57, 99, 53, 24], Operations: [] Exploring Operation: 99-24=75, Resulting Numbers: [57, 53, 75] Generated Node #0,0: 13:[57, 53, 75] Operation: 99-24=75 Exploring Operation: 57-53=4, Resulting Numbers: [99, 24, 4] Generated Node #0,1: 13:[99, 24, 4] Operation: 57-53=4 Exploring Operation: 99-53=46, Resulting Numbers: [57, 24, 46] Generated Node #0,2: 13:[57, 24, 46] Operation: 99-53=46 Exploring Operation: 99-57=42, Resulting Numbers: [53, 24, 42] Generated Node #0,3: 13:[53, 24, 42] Operation: 99-57=42 Exploring Operation: 57-24=33, Resulting Numbers: [99, 53, 33] Generated Node #0,4: 13:[99, 53, 33] Operation: 57-24=33 Moving to Node #0,3 Current State: 13:[53, 24, 42], Operations: ['99-57=42'] Exploring Operation: 53-42=11, Resulting Numbers: [24, 11] Generated Node #0,3,0: 13:[24, 11] Operation: 53-42=11 Exploring Operation: 53-24=29, Resulting Numbers: [42, 29] Generated Node #0,3,1: 13:[42, 29] Operation: 53-24=29 Exploring Operation: 53+42=95, Resulting Numbers: [24, 95] Generated Node #0,3,2: 13:[24, 95] Operation: 53+42=95 Exploring Operation: 53+24=77, Resulting Numbers: [42, 77] Generated Node #0,3,3: 13:[42, 77] Operation: 53+24=77 Exploring Operation: 42-24=18, Resulting Numbers: [53, 18] Generated Node #0,3,4: 13:[53, 18] Operation: 42-24=18 Moving to Node #0,2 Current State: 13:[57, 24, 46], Operations: ['99-53=46'] Exploring Operation: 57-46=11, Resulting Numbers: [24, 11] Generated Node #0,2,0: 13:[24, 11] Operation: 57-46=11 Exploring Operation: 46-24=22, Resulting Numbers: [57, 22] Generated Node #0,2,1: 13:[57, 22] Operation: 46-24=22 Exploring Operation: 57+24=81, Resulting Numbers: [46, 81] Generated Node #0,2,2: 13:[46, 81] Operation: 57+24=81 Exploring Operation: 57-24=33, Resulting Numbers: [46, 33] Generated Node #0,2,3: 13:[46, 33] Operation: 57-24=33 Exploring Operation: 57+46=103, Resulting Numbers: [24, 103] Generated Node #0,2,4: 13:[24, 103] Operation: 57+46=103 Moving to Node #0,1 Current State: 13:[99, 24, 4], Operations: ['57-53=4'] Exploring Operation: 99+4=103, Resulting Numbers: [24, 103] Generated Node #0,1,0: 13:[24, 103] Operation: 99+4=103 Exploring Operation: 99-24=75, Resulting Numbers: [4, 75] Generated Node #0,1,1: 13:[4, 75] Operation: 99-24=75 Exploring Operation: 24-4=20, Resulting Numbers: [99, 20] Generated Node #0,1,2: 13:[99, 20] Operation: 24-4=20 Exploring Operation: 99-4=95, Resulting Numbers: [24, 95] Generated Node #0,1,3: 13:[24, 95] Operation: 99-4=95 Exploring Operation: 24/4=6, Resulting Numbers: [99, 6] Generated Node #0,1,4: 13:[99, 6] Operation: 24/4=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[4, 75], Operations: ['57-53=4', '99-24=75'] Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,13 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,13 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,13 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 #0,1,2 Current State: 13:[99, 20], Operations: ['57-53=4', '24-4=20'] Exploring Operation: 99+20=119, Resulting Numbers: [119] 119,13 unequal: No Solution Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,13 unequal: No Solution Exploring Operation: 99*20=1980, Resulting Numbers: [1980] 1980,13 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 #0,1,3 Current State: 13:[24, 95], Operations: ['57-53=4', '99-4=95'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 24+95=119, Resulting Numbers: [119] 119,13 unequal: No Solution Exploring Operation: 24*95=2280, Resulting Numbers: [2280] 2280,13 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 #0,1,4 Current State: 13:[99, 6], Operations: ['57-53=4', '24/4=6'] Exploring Operation: 99*6=594, Resulting Numbers: [594] 594,13 unequal: No Solution Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,13 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,13 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 #0,1,0 Current State: 13:[24, 103], Operations: ['57-53=4', '99+4=103'] Exploring Operation: 24*103=2472, Resulting Numbers: [2472] 2472,13 unequal: No Solution Exploring Operation: 24+103=127, Resulting Numbers: [127] 127,13 unequal: No Solution Exploring Operation: 103-24=79, Resulting Numbers: [79] 79,13 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:[57, 53, 75], Operations: ['99-24=75'] Exploring Operation: 75-57=18, Resulting Numbers: [53, 18] Generated Node #0,0,0: 13:[53, 18] Operation: 75-57=18 Exploring Operation: 57+53=110, Resulting Numbers: [75, 110] Generated Node #0,0,1: 13:[75, 110] Operation: 57+53=110 Exploring Operation: 75-53=22, Resulting Numbers: [57, 22] Generated Node #0,0,2: 13:[57, 22] Operation: 75-53=22 Exploring Operation: 57-53=4, Resulting Numbers: [75, 4] Generated Node #0,0,3: 13:[75, 4] Operation: 57-53=4 Exploring Operation: 57+75=132, Resulting Numbers: [53, 132] Generated Node #0,0,4: 13:[53, 132] Operation: 57+75=132 Moving to Node #0,4 Current State: 13:[99, 53, 33], Operations: ['57-24=33'] Exploring Operation: 99/33=3, Resulting Numbers: [53, 3] Generated Node #0,4,0: 13:[53, 3] Operation: 99/33=3 Exploring Operation: 53-33=20, Resulting Numbers: [99, 20] Generated Node #0,4,1: 13:[99, 20] Operation: 53-33=20 Exploring Operation: 99-53=46, Resulting Numbers: [33, 46] Generated Node #0,4,2: 13:[33, 46] Operation: 99-53=46 Exploring Operation: 99-33=66, Resulting Numbers: [53, 66] Generated Node #0,4,3: 13:[53, 66] Operation: 99-33=66 Exploring Operation: 99+53=152, Resulting Numbers: [33, 152] Generated Node #0,4,4: 13:[33, 152] Operation: 99+53=152 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 13:[53, 3], Operations: ['57-24=33', '99/33=3'] Exploring Operation: 53+3=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 53*3=159, Resulting Numbers: [159] 159,13 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 #0,4,2 Current State: 13:[33, 46], Operations: ['57-24=33', '99-53=46'] Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[57, 99, 53, 24], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [99, 53, 33] Generated Node #0,4: 13:[99, 53, 33] Operation: 57-24=33 Moving to Node #0,4 Current State: 13:[99, 53, 33], Operations: ['57-24=33'] Exploring Operation: 99-53=46, Resulting Numbers: [33, 46] Generated Node #0,4,2: 13:[33, 46] Operation: 99-53=46 Moving to Node #0,4,2 Current State: 13:[33, 46], Operations: ['57-24=33', '99-53=46'] Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_5
mult_heuristic
[ 62, 23, 51, 20 ]
25
[ "51-20=31", "62/31=2", "23+2=25" ]
Current State: 25:[62, 23, 51, 20], Operations: [] Exploring Operation: 51-20=31, Resulting Numbers: [62, 23, 31] Generated Node #2: [62, 23, 31] from Operation: 51-20=31 Current State: 25:[62, 23, 31], Operations: ['51-20=31'] Exploring Operation: 62/31=2, Resulting Numbers: [23, 2] Generated Node #3: [23, 2] from Operation: 62/31=2 Current State: 25:[23, 2], Operations: ['51-20=31', '62/31=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[62, 23, 51, 20], Operations: [] Exploring Operation: 51-23=28, Resulting Numbers: [62, 20, 28] Generated Node #0,0: 25:[62, 20, 28] Operation: 51-23=28 Exploring Operation: 62-51=11, Resulting Numbers: [23, 20, 11] Generated Node #0,1: 25:[23, 20, 11] Operation: 62-51=11 Exploring Operation: 62-23=39, Resulting Numbers: [51, 20, 39] Generated Node #0,2: 25:[51, 20, 39] Operation: 62-23=39 Exploring Operation: 62-20=42, Resulting Numbers: [23, 51, 42] Generated Node #0,3: 25:[23, 51, 42] Operation: 62-20=42 Moving to Node #0,1 Current State: 25:[23, 20, 11], Operations: ['62-51=11'] Exploring Operation: 20+11=31, Resulting Numbers: [23, 31] Generated Node #0,1,0: 25:[23, 31] Operation: 20+11=31 Exploring Operation: 23-11=12, Resulting Numbers: [20, 12] Generated Node #0,1,1: 25:[20, 12] Operation: 23-11=12 Exploring Operation: 20-11=9, Resulting Numbers: [23, 9] Generated Node #0,1,2: 25:[23, 9] Operation: 20-11=9 Exploring Operation: 23-20=3, Resulting Numbers: [11, 3] Generated Node #0,1,3: 25:[11, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[23, 9], Operations: ['62-51=11', '20-11=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,25 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[23, 31], Operations: ['62-51=11', '20+11=31'] Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 23*31=713, Resulting Numbers: [713] 713,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[11, 3], Operations: ['62-51=11', '23-20=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[20, 12], Operations: ['62-51=11', '23-11=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,25 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 25:[51, 20, 39], Operations: ['62-23=39'] Exploring Operation: 39-20=19, Resulting Numbers: [51, 19] Generated Node #0,2,0: 25:[51, 19] Operation: 39-20=19 Exploring Operation: 51+20=71, Resulting Numbers: [39, 71] Generated Node #0,2,1: 25:[39, 71] Operation: 51+20=71 Exploring Operation: 51-20=31, Resulting Numbers: [39, 31] Generated Node #0,2,2: 25:[39, 31] Operation: 51-20=31 Exploring Operation: 51-39=12, Resulting Numbers: [20, 12] Generated Node #0,2,3: 25:[20, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 25:[62, 20, 28], Operations: ['51-23=28'] Exploring Operation: 62-28=34, Resulting Numbers: [20, 34] Generated Node #0,0,0: 25:[20, 34] Operation: 62-28=34 Exploring Operation: 28-20=8, Resulting Numbers: [62, 8] Generated Node #0,0,1: 25:[62, 8] Operation: 28-20=8 Exploring Operation: 62-20=42, Resulting Numbers: [28, 42] Generated Node #0,0,2: 25:[28, 42] Operation: 62-20=42 Exploring Operation: 62+20=82, Resulting Numbers: [28, 82] Generated Node #0,0,3: 25:[28, 82] Operation: 62+20=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[20, 34], Operations: ['51-23=28', '62-28=34'] Exploring Operation: 20+34=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 20*34=680, Resulting Numbers: [680] 680,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[28, 42], Operations: ['51-23=28', '62-20=42'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,25 unequal: No Solution Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[62, 8], Operations: ['51-23=28', '28-20=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[28, 82], Operations: ['51-23=28', '62+20=82'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,25 unequal: No Solution Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 25:[23, 51, 42], Operations: ['62-20=42'] Exploring Operation: 51-23=28, Resulting Numbers: [42, 28] Generated Node #0,3,0: 25:[42, 28] Operation: 51-23=28 Exploring Operation: 51-42=9, Resulting Numbers: [23, 9] Generated Node #0,3,1: 25:[23, 9] Operation: 51-42=9 Exploring Operation: 23+51=74, Resulting Numbers: [42, 74] Generated Node #0,3,2: 25:[42, 74] Operation: 23+51=74 Exploring Operation: 42-23=19, Resulting Numbers: [51, 19] Generated Node #0,3,3: 25:[51, 19] Operation: 42-23=19 Moving to Node #0,3,1 Current State: 25:[23, 9], Operations: ['62-20=42', '51-42=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,25 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[20, 12], Operations: ['62-23=39', '51-39=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[42, 28], Operations: ['62-20=42', '51-23=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,25 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[39, 31], Operations: ['62-23=39', '51-20=31'] Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,25 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[51, 19], Operations: ['62-23=39', '39-20=19'] Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,25 unequal: No Solution Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[51, 19], Operations: ['62-20=42', '42-23=19'] Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[39, 71], Operations: ['62-23=39', '51+20=71'] Exploring Operation: 39+71=110, Resulting Numbers: [110] 110,25 unequal: No Solution Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 39*71=2769, Resulting Numbers: [2769] 2769,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[42, 74], Operations: ['62-20=42', '23+51=74'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 42*74=3108, Resulting Numbers: [3108] 3108,25 unequal: No Solution Exploring Operation: 42+74=116, Resulting Numbers: [116] 116,25 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 37, 45, 63, 18 ]
65
[ "63-37=26", "45*26=1170", "1170/18=65" ]
Current State: 65:[37, 45, 63, 18], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [45, 18, 26] Generated Node #2: [45, 18, 26] from Operation: 63-37=26 Current State: 65:[45, 18, 26], Operations: ['63-37=26'] Exploring Operation: 45*26=1170, Resulting Numbers: [18, 1170] Generated Node #3: [18, 1170] from Operation: 45*26=1170 Current State: 65:[18, 1170], Operations: ['63-37=26', '45*26=1170'] Exploring Operation: 1170/18=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[37, 45, 63, 18], Operations: [] Exploring Operation: 45+18=63, Resulting Numbers: [37, 63, 63] Generated Node #0,0: 65:[37, 63, 63] Operation: 45+18=63 Exploring Operation: 37+18=55, Resulting Numbers: [45, 63, 55] Generated Node #0,1: 65:[45, 63, 55] Operation: 37+18=55 Exploring Operation: 37+45=82, Resulting Numbers: [63, 18, 82] Generated Node #0,2: 65:[63, 18, 82] Operation: 37+45=82 Exploring Operation: 45-37=8, Resulting Numbers: [63, 18, 8] Generated Node #0,3: 65:[63, 18, 8] Operation: 45-37=8 Exploring Operation: 37-18=19, Resulting Numbers: [45, 63, 19] Generated Node #0,4: 65:[45, 63, 19] Operation: 37-18=19 Moving to Node #0,3 Current State: 65:[63, 18, 8], Operations: ['45-37=8'] Exploring Operation: 63-8=55, Resulting Numbers: [18, 55] Generated Node #0,3,0: 65:[18, 55] Operation: 63-8=55 Exploring Operation: 18+8=26, Resulting Numbers: [63, 26] Generated Node #0,3,1: 65:[63, 26] Operation: 18+8=26 Exploring Operation: 63+18=81, Resulting Numbers: [8, 81] Generated Node #0,3,2: 65:[8, 81] Operation: 63+18=81 Exploring Operation: 18-8=10, Resulting Numbers: [63, 10] Generated Node #0,3,3: 65:[63, 10] Operation: 18-8=10 Exploring Operation: 63+8=71, Resulting Numbers: [18, 71] Generated Node #0,3,4: 65:[18, 71] Operation: 63+8=71 Moving to Node #0,2 Current State: 65:[63, 18, 82], Operations: ['37+45=82'] Exploring Operation: 63-18=45, Resulting Numbers: [82, 45] Generated Node #0,2,0: 65:[82, 45] Operation: 63-18=45 Exploring Operation: 82-18=64, Resulting Numbers: [63, 64] Generated Node #0,2,1: 65:[63, 64] Operation: 82-18=64 Exploring Operation: 18+82=100, Resulting Numbers: [63, 100] Generated Node #0,2,2: 65:[63, 100] Operation: 18+82=100 Exploring Operation: 82-63=19, Resulting Numbers: [18, 19] Generated Node #0,2,3: 65:[18, 19] Operation: 82-63=19 Exploring Operation: 63+18=81, Resulting Numbers: [82, 81] Generated Node #0,2,4: 65:[82, 81] Operation: 63+18=81 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[63, 64], Operations: ['37+45=82', '82-18=64'] Exploring Operation: 63+64=127, Resulting Numbers: [127] 127,65 unequal: No Solution Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 63*64=4032, Resulting Numbers: [4032] 4032,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[18, 19], Operations: ['37+45=82', '82-63=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 65:[82, 81], Operations: ['37+45=82', '63+18=81'] Exploring Operation: 82*81=6642, Resulting Numbers: [6642] 6642,65 unequal: No Solution Exploring Operation: 82+81=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 82-81=1, Resulting Numbers: [1] 1,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[82, 45], Operations: ['37+45=82', '63-18=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,65 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,65 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[63, 100], Operations: ['37+45=82', '18+82=100'] Exploring Operation: 100-63=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*100=6300, Resulting Numbers: [6300] 6300,65 unequal: No Solution Exploring Operation: 63+100=163, Resulting Numbers: [163] 163,65 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:[37, 63, 63], Operations: ['45+18=63'] Exploring Operation: 63/63=1, Resulting Numbers: [37, 1] Generated Node #0,0,0: 65:[37, 1] Operation: 63/63=1 Exploring Operation: 63-37=26, Resulting Numbers: [63, 26] Generated Node #0,0,1: 65:[63, 26] Operation: 63-37=26 Exploring Operation: 37+63=100, Resulting Numbers: [63, 100] Generated Node #0,0,2: 65:[63, 100] Operation: 37+63=100 Exploring Operation: 63-63=0, Resulting Numbers: [37, 0] Generated Node #0,0,3: 65:[37, 0] Operation: 63-63=0 Exploring Operation: 63-37=26, Resulting Numbers: [63, 26] Generated Node #0,0,4: 65:[63, 26] Operation: 63-37=26 Moving to Node #0,4 Current State: 65:[45, 63, 19], Operations: ['37-18=19'] Exploring Operation: 63-19=44, Resulting Numbers: [45, 44] Generated Node #0,4,0: 65:[45, 44] Operation: 63-19=44 Exploring Operation: 45-19=26, Resulting Numbers: [63, 26] Generated Node #0,4,1: 65:[63, 26] Operation: 45-19=26 Exploring Operation: 63-45=18, Resulting Numbers: [19, 18] Generated Node #0,4,2: 65:[19, 18] Operation: 63-45=18 Exploring Operation: 63+19=82, Resulting Numbers: [45, 82] Generated Node #0,4,3: 65:[45, 82] Operation: 63+19=82 Exploring Operation: 45+19=64, Resulting Numbers: [63, 64] Generated Node #0,4,4: 65:[63, 64] Operation: 45+19=64 Moving to Node #0,1 Current State: 65:[45, 63, 55], Operations: ['37+18=55'] Exploring Operation: 63-45=18, Resulting Numbers: [55, 18] Generated Node #0,1,0: 65:[55, 18] Operation: 63-45=18 Exploring Operation: 45+63=108, Resulting Numbers: [55, 108] Generated Node #0,1,1: 65:[55, 108] Operation: 45+63=108 Exploring Operation: 63-55=8, Resulting Numbers: [45, 8] Generated Node #0,1,2: 65:[45, 8] Operation: 63-55=8 Exploring Operation: 45+55=100, Resulting Numbers: [63, 100] Generated Node #0,1,3: 65:[63, 100] Operation: 45+55=100 Exploring Operation: 55-45=10, Resulting Numbers: [63, 10] Generated Node #0,1,4: 65:[63, 10] Operation: 55-45=10 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 65:[63, 10], Operations: ['37+18=55', '55-45=10'] Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,65 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,65 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 #0,1,0 Current State: 65:[55, 18], Operations: ['37+18=55', '63-45=18'] Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,65 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,65 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 #0,1,2 Current State: 65:[45, 8], Operations: ['37+18=55', '63-55=8'] Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,65 unequal: No Solution Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,65 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 #0,1,3 Current State: 65:[63, 100], Operations: ['37+18=55', '45+55=100'] Exploring Operation: 63+100=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 63*100=6300, Resulting Numbers: [6300] 6300,65 unequal: No Solution Exploring Operation: 100-63=37, Resulting Numbers: [37] 37,65 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:[55, 108], Operations: ['37+18=55', '45+63=108'] Exploring Operation: 108-55=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 55+108=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 55*108=5940, Resulting Numbers: [5940] 5940,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 65:[63, 64], Operations: ['37-18=19', '45+19=64'] Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 63*64=4032, Resulting Numbers: [4032] 4032,65 unequal: No Solution Exploring Operation: 63+64=127, Resulting Numbers: [127] 127,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[63, 10], Operations: ['45-37=8', '18-8=10'] Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,65 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,65 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[19, 18], Operations: ['37-18=19', '63-45=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,65 unequal: No Solution Moving to Node #0,3,4 Current State: 65:[18, 71], Operations: ['45-37=8', '63+8=71'] Exploring Operation: 18+71=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 18*71=1278, Resulting Numbers: [1278] 1278,65 unequal: No Solution Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,65 unequal: No Solution Moving to Node #0,0,4 Current State: 65:[63, 26], Operations: ['45+18=63', '63-37=26'] Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[18, 55], Operations: ['45-37=8', '63-8=55'] Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,65 unequal: No Solution Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,65 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[63, 26], Operations: ['45+18=63', '63-37=26'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,65 unequal: No Solution Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[63, 26], Operations: ['45-37=8', '18+8=26'] Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,65 unequal: No Solution Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[63, 26], Operations: ['37-18=19', '45-19=26'] Exploring Operation: 63+26=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 63-26=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*26=1638, Resulting Numbers: [1638] 1638,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[8, 81], Operations: ['45-37=8', '63+18=81'] Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,65 unequal: No Solution Exploring Operation: 8*81=648, Resulting Numbers: [648] 648,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[37, 1], Operations: ['45+18=63', '63/63=1'] Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,65 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[37, 0], Operations: ['45+18=63', '63-63=0'] Exploring Operation: 37+0=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 37*0=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 37-0=37, Resulting Numbers: [37] 37,65 unequal: No Solution Moving to Node #0,4,3 Current State: 65:[45, 82], Operations: ['37-18=19', '63+19=82'] Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,65 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 45*82=3690, Resulting Numbers: [3690] 3690,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[63, 100], Operations: ['45+18=63', '37+63=100'] Exploring Operation: 63+100=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 100-63=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 63*100=6300, Resulting Numbers: [6300] 6300,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[45, 44], Operations: ['37-18=19', '63-19=44'] Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 45*44=1980, Resulting Numbers: [1980] 1980,65 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 13, 13, 35, 2 ]
18
[ "13+13=26", "35-26=9", "2*9=18" ]
Current State: 18:[13, 13, 35, 2], Operations: [] Exploring Operation: 13+13=26, Resulting Numbers: [35, 2, 26] Generated Node #2: [35, 2, 26] from Operation: 13+13=26 Current State: 18:[35, 2, 26], Operations: ['13+13=26'] Exploring Operation: 35-26=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 35-26=9 Current State: 18:[2, 9], Operations: ['13+13=26', '35-26=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[13, 13, 35, 2], Operations: [] Exploring Operation: 35-13=22, Resulting Numbers: [13, 2, 22] Generated Node #0,0: 18:[13, 2, 22] Operation: 35-13=22 Exploring Operation: 35-13=22, Resulting Numbers: [13, 2, 22] Generated Node #0,1: 18:[13, 2, 22] Operation: 35-13=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[13, 2, 22], Operations: ['35-13=22'] Exploring Operation: 13-2=11, Resulting Numbers: [22, 11] Generated Node #0,0,0: 18:[22, 11] Operation: 13-2=11 Exploring Operation: 22-13=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 18:[2, 9] Operation: 22-13=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 18:[2, 9], Operations: ['35-13=22', '22-13=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[13, 13, 35, 2], Operations: [] Exploring Operation: 35-13=22, Resulting Numbers: [13, 2, 22] Generated Node #0,0: 18:[13, 2, 22] Operation: 35-13=22 Moving to Node #0,0 Current State: 18:[13, 2, 22], Operations: ['35-13=22'] Exploring Operation: 22-13=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 18:[2, 9] Operation: 22-13=9 Moving to Node #0,0,1 Current State: 18:[2, 9], Operations: ['35-13=22', '22-13=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 24, 59, 64, 75 ]
94
[ "24+59=83", "75-64=11", "83+11=94" ]
Current State: 94:[24, 59, 64, 75], Operations: [] Exploring Operation: 24+59=83, Resulting Numbers: [64, 75, 83] Generated Node #2: [64, 75, 83] from Operation: 24+59=83 Current State: 94:[64, 75, 83], Operations: ['24+59=83'] Exploring Operation: 75-64=11, Resulting Numbers: [83, 11] Generated Node #3: [83, 11] from Operation: 75-64=11 Current State: 94:[83, 11], Operations: ['24+59=83', '75-64=11'] Exploring Operation: 83+11=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[24, 59, 64, 75], Operations: [] Exploring Operation: 64-24=40, Resulting Numbers: [59, 75, 40] Generated Node #0,0: 94:[59, 75, 40] Operation: 64-24=40 Exploring Operation: 75-24=51, Resulting Numbers: [59, 64, 51] Generated Node #0,1: 94:[59, 64, 51] Operation: 75-24=51 Exploring Operation: 24+75=99, Resulting Numbers: [59, 64, 99] Generated Node #0,2: 94:[59, 64, 99] Operation: 24+75=99 Exploring Operation: 24+64=88, Resulting Numbers: [59, 75, 88] Generated Node #0,3: 94:[59, 75, 88] Operation: 24+64=88 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[59, 64, 51], Operations: ['75-24=51'] Exploring Operation: 64-59=5, Resulting Numbers: [51, 5] Generated Node #0,1,0: 94:[51, 5] Operation: 64-59=5 Exploring Operation: 59-51=8, Resulting Numbers: [64, 8] Generated Node #0,1,1: 94:[64, 8] Operation: 59-51=8 Exploring Operation: 64-51=13, Resulting Numbers: [59, 13] Generated Node #0,1,2: 94:[59, 13] Operation: 64-51=13 Exploring Operation: 59+64=123, Resulting Numbers: [51, 123] Generated Node #0,1,3: 94:[51, 123] Operation: 59+64=123 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[51, 5], Operations: ['75-24=51', '64-59=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,94 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,94 unequal: No Solution No 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: 94:[64, 8], Operations: ['75-24=51', '59-51=8'] Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,94 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,94 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,94 unequal: No Solution No 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: 94:[59, 13], Operations: ['75-24=51', '64-51=13'] Exploring Operation: 59*13=767, Resulting Numbers: [767] 767,94 unequal: No Solution Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,94 unequal: No Solution No 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: 94:[51, 123], Operations: ['75-24=51', '59+64=123'] Exploring Operation: 51+123=174, Resulting Numbers: [174] 174,94 unequal: No Solution Exploring Operation: 51*123=6273, Resulting Numbers: [6273] 6273,94 unequal: No Solution Exploring Operation: 123-51=72, Resulting Numbers: [72] 72,94 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: 94:[59, 64, 99], Operations: ['24+75=99'] Exploring Operation: 99-64=35, Resulting Numbers: [59, 35] Generated Node #0,2,0: 94:[59, 35] Operation: 99-64=35 Exploring Operation: 59+64=123, Resulting Numbers: [99, 123] Generated Node #0,2,1: 94:[99, 123] Operation: 59+64=123 Exploring Operation: 64-59=5, Resulting Numbers: [99, 5] Generated Node #0,2,2: 94:[99, 5] Operation: 64-59=5 Exploring Operation: 99-59=40, Resulting Numbers: [64, 40] Generated Node #0,2,3: 94:[64, 40] Operation: 99-59=40 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[99, 5], Operations: ['24+75=99', '64-59=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[24, 59, 64, 75], Operations: [] Exploring Operation: 24+75=99, Resulting Numbers: [59, 64, 99] Generated Node #0,2: 94:[59, 64, 99] Operation: 24+75=99 Moving to Node #0,2 Current State: 94:[59, 64, 99], Operations: ['24+75=99'] Exploring Operation: 64-59=5, Resulting Numbers: [99, 5] Generated Node #0,2,2: 94:[99, 5] Operation: 64-59=5 Moving to Node #0,2,2 Current State: 94:[99, 5], Operations: ['24+75=99', '64-59=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 40, 31, 79, 36 ]
52
[ "40-31=9", "79-36=43", "9+43=52" ]
Current State: 52:[40, 31, 79, 36], Operations: [] Exploring Operation: 40-31=9, Resulting Numbers: [79, 36, 9] Generated Node #2: [79, 36, 9] from Operation: 40-31=9 Current State: 52:[79, 36, 9], Operations: ['40-31=9'] Exploring Operation: 79-36=43, Resulting Numbers: [9, 43] Generated Node #3: [9, 43] from Operation: 79-36=43 Current State: 52:[9, 43], Operations: ['40-31=9', '79-36=43'] Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[40, 31, 79, 36], Operations: [] Exploring Operation: 36-31=5, Resulting Numbers: [40, 79, 5] Generated Node #0,0: 52:[40, 79, 5] Operation: 36-31=5 Exploring Operation: 79-40=39, Resulting Numbers: [31, 36, 39] Generated Node #0,1: 52:[31, 36, 39] Operation: 79-40=39 Exploring Operation: 79-36=43, Resulting Numbers: [40, 31, 43] Generated Node #0,2: 52:[40, 31, 43] Operation: 79-36=43 Exploring Operation: 40-36=4, Resulting Numbers: [31, 79, 4] Generated Node #0,3: 52:[31, 79, 4] Operation: 40-36=4 Exploring Operation: 79-31=48, Resulting Numbers: [40, 36, 48] Generated Node #0,4: 52:[40, 36, 48] Operation: 79-31=48 Moving to Node #0,2 Current State: 52:[40, 31, 43], Operations: ['79-36=43'] Exploring Operation: 40+31=71, Resulting Numbers: [43, 71] Generated Node #0,2,0: 52:[43, 71] Operation: 40+31=71 Exploring Operation: 40-31=9, Resulting Numbers: [43, 9] Generated Node #0,2,1: 52:[43, 9] Operation: 40-31=9 Exploring Operation: 43-40=3, Resulting Numbers: [31, 3] Generated Node #0,2,2: 52:[31, 3] Operation: 43-40=3 Exploring Operation: 43-31=12, Resulting Numbers: [40, 12] Generated Node #0,2,3: 52:[40, 12] Operation: 43-31=12 Exploring Operation: 31+43=74, Resulting Numbers: [40, 74] Generated Node #0,2,4: 52:[40, 74] Operation: 31+43=74 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[31, 3], Operations: ['79-36=43', '43-40=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,52 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[43, 9], Operations: ['79-36=43', '40-31=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,52 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,52 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[40, 31, 79, 36], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [40, 31, 43] Generated Node #0,2: 52:[40, 31, 43] Operation: 79-36=43 Moving to Node #0,2 Current State: 52:[40, 31, 43], Operations: ['79-36=43'] Exploring Operation: 40-31=9, Resulting Numbers: [43, 9] Generated Node #0,2,1: 52:[43, 9] Operation: 40-31=9 Moving to Node #0,2,1 Current State: 52:[43, 9], Operations: ['79-36=43', '40-31=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 90, 80, 51, 93 ]
26
[ "90+80=170", "51+93=144", "170-144=26" ]
Current State: 26:[90, 80, 51, 93], Operations: [] Exploring Operation: 90+80=170, Resulting Numbers: [51, 93, 170] Generated Node #2: [51, 93, 170] from Operation: 90+80=170 Current State: 26:[51, 93, 170], Operations: ['90+80=170'] Exploring Operation: 51+93=144, Resulting Numbers: [170, 144] Generated Node #3: [170, 144] from Operation: 51+93=144 Current State: 26:[170, 144], Operations: ['90+80=170', '51+93=144'] Exploring Operation: 170-144=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[90, 80, 51, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [80, 51, 3] Generated Node #0,0: 26:[80, 51, 3] Operation: 93-90=3 Moving to Node #0,0 Current State: 26:[80, 51, 3], Operations: ['93-90=3'] Exploring Operation: 80-51=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 26:[3, 29] Operation: 80-51=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[3, 29], Operations: ['93-90=3', '80-51=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[90, 80, 51, 93], Operations: [] Exploring Operation: 93-90=3, Resulting Numbers: [80, 51, 3] Generated Node #0,0: 26:[80, 51, 3] Operation: 93-90=3 Moving to Node #0,0 Current State: 26:[80, 51, 3], Operations: ['93-90=3'] Exploring Operation: 80-51=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 26:[3, 29] Operation: 80-51=29 Moving to Node #0,0,0 Current State: 26:[3, 29], Operations: ['93-90=3', '80-51=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 34, 25, 42, 46 ]
97
[ "34-25=9", "42+46=88", "9+88=97" ]
Current State: 97:[34, 25, 42, 46], Operations: [] Exploring Operation: 34-25=9, Resulting Numbers: [42, 46, 9] Generated Node #2: [42, 46, 9] from Operation: 34-25=9 Current State: 97:[42, 46, 9], Operations: ['34-25=9'] Exploring Operation: 42+46=88, Resulting Numbers: [9, 88] Generated Node #3: [9, 88] from Operation: 42+46=88 Current State: 97:[9, 88], Operations: ['34-25=9', '42+46=88'] Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[34, 25, 42, 46], Operations: [] Exploring Operation: 34+25=59, Resulting Numbers: [42, 46, 59] Generated Node #0,0: 97:[42, 46, 59] Operation: 34+25=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[42, 46, 59], Operations: ['34+25=59'] Exploring Operation: 42+46=88, Resulting Numbers: [59, 88] Generated Node #0,0,0: 97:[59, 88] Operation: 42+46=88 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[59, 88], Operations: ['34+25=59', '42+46=88'] Exploring Operation: 59+88=147, Resulting Numbers: [147] 147,97 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
[ 17, 15, 68, 83 ]
18
[ "15+68=83", "83/83=1", "17+1=18" ]
Current State: 18:[17, 15, 68, 83], Operations: [] Exploring Operation: 15+68=83, Resulting Numbers: [17, 83, 83] Generated Node #2: [17, 83, 83] from Operation: 15+68=83 Current State: 18:[17, 83, 83], Operations: ['15+68=83'] Exploring Operation: 83/83=1, Resulting Numbers: [17, 1] Generated Node #3: [17, 1] from Operation: 83/83=1 Current State: 18:[17, 1], Operations: ['15+68=83', '83/83=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[17, 15, 68, 83], Operations: [] Exploring Operation: 83-68=15, Resulting Numbers: [17, 15, 15] Generated Node #0,0: 18:[17, 15, 15] Operation: 83-68=15 Moving to Node #0,0 Current State: 18:[17, 15, 15], Operations: ['83-68=15'] Exploring Operation: 15/15=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 15/15=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['83-68=15', '15/15=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[17, 15, 68, 83], Operations: [] Exploring Operation: 83-68=15, Resulting Numbers: [17, 15, 15] Generated Node #0,0: 18:[17, 15, 15] Operation: 83-68=15 Moving to Node #0,0 Current State: 18:[17, 15, 15], Operations: ['83-68=15'] Exploring Operation: 15/15=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 18:[17, 1] Operation: 15/15=1 Moving to Node #0,0,0 Current State: 18:[17, 1], Operations: ['83-68=15', '15/15=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 73, 2, 33, 25 ]
13
[ "73-2=71", "33+25=58", "71-58=13" ]
Current State: 13:[73, 2, 33, 25], Operations: [] Exploring Operation: 73-2=71, Resulting Numbers: [33, 25, 71] Generated Node #2: [33, 25, 71] from Operation: 73-2=71 Current State: 13:[33, 25, 71], Operations: ['73-2=71'] Exploring Operation: 33+25=58, Resulting Numbers: [71, 58] Generated Node #3: [71, 58] from Operation: 33+25=58 Current State: 13:[71, 58], Operations: ['73-2=71', '33+25=58'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[73, 2, 33, 25], Operations: [] Exploring Operation: 73-33=40, Resulting Numbers: [2, 25, 40] Generated Node #0,0: 13:[2, 25, 40] Operation: 73-33=40 Exploring Operation: 33-25=8, Resulting Numbers: [73, 2, 8] Generated Node #0,1: 13:[73, 2, 8] Operation: 33-25=8 Exploring Operation: 73-25=48, Resulting Numbers: [2, 33, 48] Generated Node #0,2: 13:[2, 33, 48] Operation: 73-25=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[2, 25, 40], Operations: ['73-33=40'] Exploring Operation: 40/2=20, Resulting Numbers: [25, 20] Generated Node #0,0,0: 13:[25, 20] Operation: 40/2=20 Exploring Operation: 25-2=23, Resulting Numbers: [40, 23] Generated Node #0,0,1: 13:[40, 23] Operation: 25-2=23 Exploring Operation: 40-25=15, Resulting Numbers: [2, 15] Generated Node #0,0,2: 13:[2, 15] Operation: 40-25=15 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[2, 15], Operations: ['73-33=40', '40-25=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[73, 2, 33, 25], Operations: [] Exploring Operation: 73-33=40, Resulting Numbers: [2, 25, 40] Generated Node #0,0: 13:[2, 25, 40] Operation: 73-33=40 Moving to Node #0,0 Current State: 13:[2, 25, 40], Operations: ['73-33=40'] Exploring Operation: 40-25=15, Resulting Numbers: [2, 15] Generated Node #0,0,2: 13:[2, 15] Operation: 40-25=15 Moving to Node #0,0,2 Current State: 13:[2, 15], Operations: ['73-33=40', '40-25=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 41, 24, 9, 18 ]
67
[ "41+24=65", "18/9=2", "65+2=67" ]
Current State: 67:[41, 24, 9, 18], Operations: [] Exploring Operation: 41+24=65, Resulting Numbers: [9, 18, 65] Generated Node #2: [9, 18, 65] from Operation: 41+24=65 Current State: 67:[9, 18, 65], Operations: ['41+24=65'] Exploring Operation: 18/9=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 18/9=2 Current State: 67:[65, 2], Operations: ['41+24=65', '18/9=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[41, 24, 9, 18], Operations: [] Exploring Operation: 41+24=65, Resulting Numbers: [9, 18, 65] Generated Node #0,0: 67:[9, 18, 65] Operation: 41+24=65 Exploring Operation: 41+9=50, Resulting Numbers: [24, 18, 50] Generated Node #0,1: 67:[24, 18, 50] Operation: 41+9=50 Moving to Node #0,0 Current State: 67:[9, 18, 65], Operations: ['41+24=65'] Exploring Operation: 9+18=27, Resulting Numbers: [65, 27] Generated Node #0,0,0: 67:[65, 27] Operation: 9+18=27 Exploring Operation: 9+65=74, Resulting Numbers: [18, 74] Generated Node #0,0,1: 67:[18, 74] Operation: 9+65=74 Moving to Node #0,1 Current State: 67:[24, 18, 50], Operations: ['41+9=50'] Exploring Operation: 24+18=42, Resulting Numbers: [50, 42] Generated Node #0,1,0: 67:[50, 42] Operation: 24+18=42 Exploring Operation: 18+50=68, Resulting Numbers: [24, 68] Generated Node #0,1,1: 67:[24, 68] Operation: 18+50=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[50, 42], Operations: ['41+9=50', '24+18=42'] Exploring Operation: 50+42=92, Resulting Numbers: [92] 92,67 unequal: No Solution Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[24, 68], Operations: ['41+9=50', '18+50=68'] Exploring Operation: 24+68=92, Resulting Numbers: [92] 92,67 unequal: No Solution Exploring Operation: 68-24=44, Resulting Numbers: [44] 44,67 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: 67:[65, 27], Operations: ['41+24=65', '9+18=27'] Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,67 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[18, 74], Operations: ['41+24=65', '9+65=74'] Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,67 unequal: No Solution Exploring Operation: 18+74=92, Resulting Numbers: [92] 92,67 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 78, 17, 4, 58 ]
64
[ "17-4=13", "78/13=6", "58+6=64" ]
Current State: 64:[78, 17, 4, 58], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [78, 58, 13] Generated Node #2: [78, 58, 13] from Operation: 17-4=13 Current State: 64:[78, 58, 13], Operations: ['17-4=13'] Exploring Operation: 78/13=6, Resulting Numbers: [58, 6] Generated Node #3: [58, 6] from Operation: 78/13=6 Current State: 64:[58, 6], Operations: ['17-4=13', '78/13=6'] Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[78, 17, 4, 58], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [78, 58, 13] Generated Node #0,0: 64:[78, 58, 13] Operation: 17-4=13 Exploring Operation: 78-17=61, Resulting Numbers: [4, 58, 61] Generated Node #0,1: 64:[4, 58, 61] Operation: 78-17=61 Exploring Operation: 4+58=62, Resulting Numbers: [78, 17, 62] Generated Node #0,2: 64:[78, 17, 62] Operation: 4+58=62 Exploring Operation: 78-4=74, Resulting Numbers: [17, 58, 74] Generated Node #0,3: 64:[17, 58, 74] Operation: 78-4=74 Exploring Operation: 78-58=20, Resulting Numbers: [17, 4, 20] Generated Node #0,4: 64:[17, 4, 20] Operation: 78-58=20 Moving to Node #0,4 Current State: 64:[17, 4, 20], Operations: ['78-58=20'] Exploring Operation: 20-17=3, Resulting Numbers: [4, 3] Generated Node #0,4,0: 64:[4, 3] Operation: 20-17=3 Exploring Operation: 20-4=16, Resulting Numbers: [17, 16] Generated Node #0,4,1: 64:[17, 16] Operation: 20-4=16 Exploring Operation: 20/4=5, Resulting Numbers: [17, 5] Generated Node #0,4,2: 64:[17, 5] Operation: 20/4=5 Exploring Operation: 17-4=13, Resulting Numbers: [20, 13] Generated Node #0,4,3: 64:[20, 13] Operation: 17-4=13 Exploring Operation: 17+20=37, Resulting Numbers: [4, 37] Generated Node #0,4,4: 64:[4, 37] Operation: 17+20=37 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 64:[4, 3], Operations: ['78-58=20', '20-17=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,64 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 #0,4,1 Current State: 64:[17, 16], Operations: ['78-58=20', '20-4=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,64 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 #0,4,2 Current State: 64:[17, 5], Operations: ['78-58=20', '20/4=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,64 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,64 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 #0,4,4 Current State: 64:[4, 37], Operations: ['78-58=20', '17+20=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,64 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,64 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 #0,4,3 Current State: 64:[20, 13], Operations: ['78-58=20', '17-4=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,64 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,64 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: 64:[4, 58, 61], Operations: ['78-17=61'] Exploring Operation: 58-4=54, Resulting Numbers: [61, 54] Generated Node #0,1,0: 64:[61, 54] Operation: 58-4=54 Exploring Operation: 61-4=57, Resulting Numbers: [58, 57] Generated Node #0,1,1: 64:[58, 57] Operation: 61-4=57 Exploring Operation: 61-58=3, Resulting Numbers: [4, 3] Generated Node #0,1,2: 64:[4, 3] Operation: 61-58=3 Exploring Operation: 4+61=65, Resulting Numbers: [58, 65] Generated Node #0,1,3: 64:[58, 65] Operation: 4+61=65 Exploring Operation: 4+58=62, Resulting Numbers: [61, 62] Generated Node #0,1,4: 64:[61, 62] Operation: 4+58=62 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[4, 3], Operations: ['78-17=61', '61-58=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[61, 62], Operations: ['78-17=61', '4+58=62'] Exploring Operation: 61+62=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 61*62=3782, Resulting Numbers: [3782] 3782,64 unequal: No Solution Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[58, 65], Operations: ['78-17=61', '4+61=65'] Exploring Operation: 58+65=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 58*65=3770, Resulting Numbers: [3770] 3770,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[61, 54], Operations: ['78-17=61', '58-4=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,64 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[58, 57], Operations: ['78-17=61', '61-4=57'] Exploring Operation: 58+57=115, Resulting Numbers: [115] 115,64 unequal: No Solution Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 58*57=3306, Resulting Numbers: [3306] 3306,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 64:[78, 17, 62], Operations: ['4+58=62'] Exploring Operation: 17+62=79, Resulting Numbers: [78, 79] Generated Node #0,2,0: 64:[78, 79] Operation: 17+62=79 Exploring Operation: 78+17=95, Resulting Numbers: [62, 95] Generated Node #0,2,1: 64:[62, 95] Operation: 78+17=95 Exploring Operation: 78-62=16, Resulting Numbers: [17, 16] Generated Node #0,2,2: 64:[17, 16] Operation: 78-62=16 Exploring Operation: 78-17=61, Resulting Numbers: [62, 61] Generated Node #0,2,3: 64:[62, 61] Operation: 78-17=61 Exploring Operation: 62-17=45, Resulting Numbers: [78, 45] Generated Node #0,2,4: 64:[78, 45] Operation: 62-17=45 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[17, 16], Operations: ['4+58=62', '78-62=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[62, 61], Operations: ['4+58=62', '78-17=61'] Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 62*61=3782, Resulting Numbers: [3782] 3782,64 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 #0,2,4 Current State: 64:[78, 45], Operations: ['4+58=62', '62-17=45'] Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,64 unequal: No Solution Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[78, 79], Operations: ['4+58=62', '17+62=79'] Exploring Operation: 78*79=6162, Resulting Numbers: [6162] 6162,64 unequal: No Solution Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,64 unequal: No Solution Exploring Operation: 78+79=157, Resulting Numbers: [157] 157,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[62, 95], Operations: ['4+58=62', '78+17=95'] Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 62*95=5890, Resulting Numbers: [5890] 5890,64 unequal: No Solution Exploring Operation: 62+95=157, Resulting Numbers: [157] 157,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 64:[17, 58, 74], Operations: ['78-4=74'] Exploring Operation: 17+74=91, Resulting Numbers: [58, 91] Generated Node #0,3,0: 64:[58, 91] Operation: 17+74=91 Exploring Operation: 74-17=57, Resulting Numbers: [58, 57] Generated Node #0,3,1: 64:[58, 57] Operation: 74-17=57 Exploring Operation: 58-17=41, Resulting Numbers: [74, 41] Generated Node #0,3,2: 64:[74, 41] Operation: 58-17=41 Exploring Operation: 74-58=16, Resulting Numbers: [17, 16] Generated Node #0,3,3: 64:[17, 16] Operation: 74-58=16 Exploring Operation: 17+58=75, Resulting Numbers: [74, 75] Generated Node #0,3,4: 64:[74, 75] Operation: 17+58=75 Moving to Node #0,0 Current State: 64:[78, 58, 13], Operations: ['17-4=13'] Exploring Operation: 78-58=20, Resulting Numbers: [13, 20] Generated Node #0,0,0: 64:[13, 20] Operation: 78-58=20 Exploring Operation: 78/13=6, Resulting Numbers: [58, 6] Generated Node #0,0,1: 64:[58, 6] Operation: 78/13=6 Exploring Operation: 78-13=65, Resulting Numbers: [58, 65] Generated Node #0,0,2: 64:[58, 65] Operation: 78-13=65 Exploring Operation: 58+13=71, Resulting Numbers: [78, 71] Generated Node #0,0,3: 64:[78, 71] Operation: 58+13=71 Exploring Operation: 58-13=45, Resulting Numbers: [78, 45] Generated Node #0,0,4: 64:[78, 45] Operation: 58-13=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[13, 20], Operations: ['17-4=13', '78-58=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[58, 65], Operations: ['17-4=13', '78-13=65'] Exploring Operation: 58+65=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 58*65=3770, Resulting Numbers: [3770] 3770,64 unequal: No Solution Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[58, 6], Operations: ['17-4=13', '78/13=6'] Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,64 unequal: No Solution Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[78, 17, 4, 58], Operations: [] Exploring Operation: 17-4=13, Resulting Numbers: [78, 58, 13] Generated Node #0,0: 64:[78, 58, 13] Operation: 17-4=13 Moving to Node #0,0 Current State: 64:[78, 58, 13], Operations: ['17-4=13'] Exploring Operation: 78/13=6, Resulting Numbers: [58, 6] Generated Node #0,0,1: 64:[58, 6] Operation: 78/13=6 Moving to Node #0,0,1 Current State: 64:[58, 6], Operations: ['17-4=13', '78/13=6'] Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.924479
hs_5
mult_heuristic
[ 47, 70, 89, 95 ]
52
[ "89-70=19", "95/19=5", "47+5=52" ]
Current State: 52:[47, 70, 89, 95], Operations: [] Exploring Operation: 89-70=19, Resulting Numbers: [47, 95, 19] Generated Node #2: [47, 95, 19] from Operation: 89-70=19 Current State: 52:[47, 95, 19], Operations: ['89-70=19'] Exploring Operation: 95/19=5, Resulting Numbers: [47, 5] Generated Node #3: [47, 5] from Operation: 95/19=5 Current State: 52:[47, 5], Operations: ['89-70=19', '95/19=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[47, 70, 89, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [47, 89, 25] Generated Node #0,0: 52:[47, 89, 25] Operation: 95-70=25 Exploring Operation: 95-89=6, Resulting Numbers: [47, 70, 6] Generated Node #0,1: 52:[47, 70, 6] Operation: 95-89=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[47, 70, 6], Operations: ['95-89=6'] Exploring Operation: 70-6=64, Resulting Numbers: [47, 64] Generated Node #0,1,0: 52:[47, 64] Operation: 70-6=64 Exploring Operation: 70-47=23, Resulting Numbers: [6, 23] Generated Node #0,1,1: 52:[6, 23] Operation: 70-47=23 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 52:[6, 23], Operations: ['95-89=6', '70-47=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[47, 64], Operations: ['95-89=6', '70-6=64'] Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,52 unequal: No Solution Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[47, 89, 25], Operations: ['95-70=25'] Exploring Operation: 89-47=42, Resulting Numbers: [25, 42] Generated Node #0,0,0: 52:[25, 42] Operation: 89-47=42 Exploring Operation: 89-25=64, Resulting Numbers: [47, 64] Generated Node #0,0,1: 52:[47, 64] Operation: 89-25=64 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[25, 42], Operations: ['95-70=25', '89-47=42'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[47, 64], Operations: ['95-70=25', '89-25=64'] Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 47+64=111, Resulting Numbers: [111] 111,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 1, 83, 41, 13 ]
56
[ "1+83=84", "41-13=28", "84-28=56" ]
Current State: 56:[1, 83, 41, 13], Operations: [] Exploring Operation: 1+83=84, Resulting Numbers: [41, 13, 84] Generated Node #2: [41, 13, 84] from Operation: 1+83=84 Current State: 56:[41, 13, 84], Operations: ['1+83=84'] Exploring Operation: 41-13=28, Resulting Numbers: [84, 28] Generated Node #3: [84, 28] from Operation: 41-13=28 Current State: 56:[84, 28], Operations: ['1+83=84', '41-13=28'] Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[1, 83, 41, 13], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [1, 13, 42] Generated Node #0,0: 56:[1, 13, 42] Operation: 83-41=42 Moving to Node #0,0 Current State: 56:[1, 13, 42], Operations: ['83-41=42'] Exploring Operation: 13+42=55, Resulting Numbers: [1, 55] Generated Node #0,0,0: 56:[1, 55] Operation: 13+42=55 Moving to Node #0,0,0 Current State: 56:[1, 55], Operations: ['83-41=42', '13+42=55'] Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[1, 83, 41, 13], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [1, 13, 42] Generated Node #0,0: 56:[1, 13, 42] Operation: 83-41=42 Moving to Node #0,0 Current State: 56:[1, 13, 42], Operations: ['83-41=42'] Exploring Operation: 13+42=55, Resulting Numbers: [1, 55] Generated Node #0,0,0: 56:[1, 55] Operation: 13+42=55 Moving to Node #0,0,0 Current State: 56:[1, 55], Operations: ['83-41=42', '13+42=55'] Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 58, 18, 96, 52 ]
32
[ "58+18=76", "96-52=44", "76-44=32" ]
Current State: 32:[58, 18, 96, 52], Operations: [] Exploring Operation: 58+18=76, Resulting Numbers: [96, 52, 76] Generated Node #2: [96, 52, 76] from Operation: 58+18=76 Current State: 32:[96, 52, 76], Operations: ['58+18=76'] Exploring Operation: 96-52=44, Resulting Numbers: [76, 44] Generated Node #3: [76, 44] from Operation: 96-52=44 Current State: 32:[76, 44], Operations: ['58+18=76', '96-52=44'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[58, 18, 96, 52], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [18, 52, 38] Generated Node #0,0: 32:[18, 52, 38] Operation: 96-58=38 Exploring Operation: 96-52=44, Resulting Numbers: [58, 18, 44] Generated Node #0,1: 32:[58, 18, 44] Operation: 96-52=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[18, 52, 38], Operations: ['96-58=38'] Exploring Operation: 52-18=34, Resulting Numbers: [38, 34] Generated Node #0,0,0: 32:[38, 34] Operation: 52-18=34 Exploring Operation: 52-38=14, Resulting Numbers: [18, 14] Generated Node #0,0,1: 32:[18, 14] Operation: 52-38=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[18, 14], Operations: ['96-58=38', '52-38=14'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[58, 18, 96, 52], Operations: [] Exploring Operation: 96-58=38, Resulting Numbers: [18, 52, 38] Generated Node #0,0: 32:[18, 52, 38] Operation: 96-58=38 Moving to Node #0,0 Current State: 32:[18, 52, 38], Operations: ['96-58=38'] Exploring Operation: 52-38=14, Resulting Numbers: [18, 14] Generated Node #0,0,1: 32:[18, 14] Operation: 52-38=14 Moving to Node #0,0,1 Current State: 32:[18, 14], Operations: ['96-58=38', '52-38=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 28, 32, 23, 31 ]
73
[ "31-28=3", "32*3=96", "96-23=73" ]
Current State: 73:[28, 32, 23, 31], Operations: [] Exploring Operation: 31-28=3, Resulting Numbers: [32, 23, 3] Generated Node #2: [32, 23, 3] from Operation: 31-28=3 Current State: 73:[32, 23, 3], Operations: ['31-28=3'] Exploring Operation: 32*3=96, Resulting Numbers: [23, 96] Generated Node #3: [23, 96] from Operation: 32*3=96 Current State: 73:[23, 96], Operations: ['31-28=3', '32*3=96'] Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[28, 32, 23, 31], Operations: [] Exploring Operation: 28+31=59, Resulting Numbers: [32, 23, 59] Generated Node #0,0: 73:[32, 23, 59] Operation: 28+31=59 Exploring Operation: 32+31=63, Resulting Numbers: [28, 23, 63] Generated Node #0,1: 73:[28, 23, 63] Operation: 32+31=63 Exploring Operation: 32+23=55, Resulting Numbers: [28, 31, 55] Generated Node #0,2: 73:[28, 31, 55] Operation: 32+23=55 Exploring Operation: 28+32=60, Resulting Numbers: [23, 31, 60] Generated Node #0,3: 73:[23, 31, 60] Operation: 28+32=60 Exploring Operation: 28+23=51, Resulting Numbers: [32, 31, 51] Generated Node #0,4: 73:[32, 31, 51] Operation: 28+23=51 Moving to Node #0,0 Current State: 73:[32, 23, 59], Operations: ['28+31=59'] Exploring Operation: 32-23=9, Resulting Numbers: [59, 9] Generated Node #0,0,0: 73:[59, 9] Operation: 32-23=9 Exploring Operation: 32+59=91, Resulting Numbers: [23, 91] Generated Node #0,0,1: 73:[23, 91] Operation: 32+59=91 Exploring Operation: 59-23=36, Resulting Numbers: [32, 36] Generated Node #0,0,2: 73:[32, 36] Operation: 59-23=36 Exploring Operation: 23+59=82, Resulting Numbers: [32, 82] Generated Node #0,0,3: 73:[32, 82] Operation: 23+59=82 Exploring Operation: 32+23=55, Resulting Numbers: [59, 55] Generated Node #0,0,4: 73:[59, 55] Operation: 32+23=55 Moving to Node #0,2 Current State: 73:[28, 31, 55], Operations: ['32+23=55'] Exploring Operation: 55-28=27, Resulting Numbers: [31, 27] Generated Node #0,2,0: 73:[31, 27] Operation: 55-28=27 Exploring Operation: 28+55=83, Resulting Numbers: [31, 83] Generated Node #0,2,1: 73:[31, 83] Operation: 28+55=83 Exploring Operation: 31-28=3, Resulting Numbers: [55, 3] Generated Node #0,2,2: 73:[55, 3] Operation: 31-28=3 Exploring Operation: 31+55=86, Resulting Numbers: [28, 86] Generated Node #0,2,3: 73:[28, 86] Operation: 31+55=86 Exploring Operation: 28+31=59, Resulting Numbers: [55, 59] Generated Node #0,2,4: 73:[55, 59] Operation: 28+31=59 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 73:[55, 59], Operations: ['32+23=55', '28+31=59'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 55*59=3245, Resulting Numbers: [3245] 3245,73 unequal: No Solution Exploring Operation: 55+59=114, Resulting Numbers: [114] 114,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[31, 83], Operations: ['32+23=55', '28+55=83'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 31+83=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 31*83=2573, Resulting Numbers: [2573] 2573,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[28, 86], Operations: ['32+23=55', '31+55=86'] Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,73 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[31, 27], Operations: ['32+23=55', '55-28=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,73 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[55, 3], Operations: ['32+23=55', '31-28=3'] Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,73 unequal: No Solution Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,73 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: 73:[32, 31, 51], Operations: ['28+23=51'] Exploring Operation: 31+51=82, Resulting Numbers: [32, 82] Generated Node #0,4,0: 73:[32, 82] Operation: 31+51=82 Exploring Operation: 32-31=1, Resulting Numbers: [51, 1] Generated Node #0,4,1: 73:[51, 1] Operation: 32-31=1 Exploring Operation: 32+31=63, Resulting Numbers: [51, 63] Generated Node #0,4,2: 73:[51, 63] Operation: 32+31=63 Exploring Operation: 32+51=83, Resulting Numbers: [31, 83] Generated Node #0,4,3: 73:[31, 83] Operation: 32+51=83 Exploring Operation: 51-31=20, Resulting Numbers: [32, 20] Generated Node #0,4,4: 73:[32, 20] Operation: 51-31=20 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[51, 63], Operations: ['28+23=51', '32+31=63'] Exploring Operation: 51+63=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 51*63=3213, Resulting Numbers: [3213] 3213,73 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,73 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 #0,4,0 Current State: 73:[32, 82], Operations: ['28+23=51', '31+51=82'] Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,73 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,73 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 #0,4,3 Current State: 73:[31, 83], Operations: ['28+23=51', '32+51=83'] Exploring Operation: 31*83=2573, Resulting Numbers: [2573] 2573,73 unequal: No Solution Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 31+83=114, Resulting Numbers: [114] 114,73 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 #0,4,1 Current State: 73:[51, 1], Operations: ['28+23=51', '32-31=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,73 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,73 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 #0,4,4 Current State: 73:[32, 20], Operations: ['28+23=51', '51-31=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,73 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,73 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: 73:[28, 23, 63], Operations: ['32+31=63'] Exploring Operation: 28-23=5, Resulting Numbers: [63, 5] Generated Node #0,1,0: 73:[63, 5] Operation: 28-23=5 Exploring Operation: 63-23=40, Resulting Numbers: [28, 40] Generated Node #0,1,1: 73:[28, 40] Operation: 63-23=40 Exploring Operation: 28+23=51, Resulting Numbers: [63, 51] Generated Node #0,1,2: 73:[63, 51] Operation: 28+23=51 Exploring Operation: 28+63=91, Resulting Numbers: [23, 91] Generated Node #0,1,3: 73:[23, 91] Operation: 28+63=91 Exploring Operation: 23+63=86, Resulting Numbers: [28, 86] Generated Node #0,1,4: 73:[28, 86] Operation: 23+63=86 Moving to Node #0,3 Current State: 73:[23, 31, 60], Operations: ['28+32=60'] Exploring Operation: 23+31=54, Resulting Numbers: [60, 54] Generated Node #0,3,0: 73:[60, 54] Operation: 23+31=54 Exploring Operation: 31+60=91, Resulting Numbers: [23, 91] Generated Node #0,3,1: 73:[23, 91] Operation: 31+60=91 Exploring Operation: 23+60=83, Resulting Numbers: [31, 83] Generated Node #0,3,2: 73:[31, 83] Operation: 23+60=83 Exploring Operation: 60-23=37, Resulting Numbers: [31, 37] Generated Node #0,3,3: 73:[31, 37] Operation: 60-23=37 Exploring Operation: 31-23=8, Resulting Numbers: [60, 8] Generated Node #0,3,4: 73:[60, 8] Operation: 31-23=8 Moving to Node #0,0,4 Current State: 73:[59, 55], Operations: ['28+31=59', '32+23=55'] Exploring Operation: 59-55=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 59+55=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 59*55=3245, Resulting Numbers: [3245] 3245,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[63, 51], Operations: ['32+31=63', '28+23=51'] Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[60, 54], Operations: ['28+32=60', '23+31=54'] Exploring Operation: 60*54=3240, Resulting Numbers: [3240] 3240,73 unequal: No Solution Exploring Operation: 60+54=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[32, 82], Operations: ['28+31=59', '23+59=82'] Exploring Operation: 32+82=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 32*82=2624, Resulting Numbers: [2624] 2624,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[31, 83], Operations: ['28+32=60', '23+60=83'] Exploring Operation: 83-31=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 31*83=2573, Resulting Numbers: [2573] 2573,73 unequal: No Solution Exploring Operation: 31+83=114, Resulting Numbers: [114] 114,73 unequal: No Solution Moving to Node #0,1,4 Current State: 73:[28, 86], Operations: ['32+31=63', '23+63=86'] Exploring Operation: 28*86=2408, Resulting Numbers: [2408] 2408,73 unequal: No Solution Exploring Operation: 28+86=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[23, 91], Operations: ['28+31=59', '32+59=91'] Exploring Operation: 23*91=2093, Resulting Numbers: [2093] 2093,73 unequal: No Solution Exploring Operation: 23+91=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[23, 91], Operations: ['28+32=60', '31+60=91'] Exploring Operation: 23*91=2093, Resulting Numbers: [2093] 2093,73 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 23+91=114, Resulting Numbers: [114] 114,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[23, 91], Operations: ['32+31=63', '28+63=91'] Exploring Operation: 23+91=114, Resulting Numbers: [114] 114,73 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 23*91=2093, Resulting Numbers: [2093] 2093,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[31, 37], Operations: ['28+32=60', '60-23=37'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,73 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[28, 40], Operations: ['32+31=63', '63-23=40'] Exploring Operation: 28+40=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 40-28=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 28*40=1120, Resulting Numbers: [1120] 1120,73 unequal: No Solution Moving to Node #0,3,4 Current State: 73:[60, 8], Operations: ['28+32=60', '31-23=8'] Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,73 unequal: No Solution Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[59, 9], Operations: ['28+31=59', '32-23=9'] Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,73 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[32, 36], Operations: ['28+31=59', '59-23=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,73 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[63, 5], Operations: ['32+31=63', '28-23=5'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,73 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,73 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 42, 35, 74, 1 ]
82
[ "42-35=7", "74+1=75", "7+75=82" ]
Current State: 82:[42, 35, 74, 1], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [74, 1, 7] Generated Node #2: [74, 1, 7] from Operation: 42-35=7 Current State: 82:[74, 1, 7], Operations: ['42-35=7'] Exploring Operation: 74+1=75, Resulting Numbers: [7, 75] Generated Node #3: [7, 75] from Operation: 74+1=75 Current State: 82:[7, 75], Operations: ['42-35=7', '74+1=75'] Exploring Operation: 7+75=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[42, 35, 74, 1], Operations: [] Exploring Operation: 42+35=77, Resulting Numbers: [74, 1, 77] Generated Node #0,0: 82:[74, 1, 77] Operation: 42+35=77 Exploring Operation: 35+1=36, Resulting Numbers: [42, 74, 36] Generated Node #0,1: 82:[42, 74, 36] Operation: 35+1=36 Exploring Operation: 74-35=39, Resulting Numbers: [42, 1, 39] Generated Node #0,2: 82:[42, 1, 39] Operation: 74-35=39 Exploring Operation: 42-1=41, Resulting Numbers: [35, 74, 41] Generated Node #0,3: 82:[35, 74, 41] Operation: 42-1=41 Exploring Operation: 42-35=7, Resulting Numbers: [74, 1, 7] Generated Node #0,4: 82:[74, 1, 7] Operation: 42-35=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[42, 1, 39], Operations: ['74-35=39'] Exploring Operation: 42*1=42, Resulting Numbers: [39, 42] Generated Node #0,2,0: 82:[39, 42] Operation: 42*1=42 Exploring Operation: 42-1=41, Resulting Numbers: [39, 41] Generated Node #0,2,1: 82:[39, 41] Operation: 42-1=41 Exploring Operation: 42-39=3, Resulting Numbers: [1, 3] Generated Node #0,2,2: 82:[1, 3] Operation: 42-39=3 Exploring Operation: 1+39=40, Resulting Numbers: [42, 40] Generated Node #0,2,3: 82:[42, 40] Operation: 1+39=40 Exploring Operation: 42+39=81, Resulting Numbers: [1, 81] Generated Node #0,2,4: 82:[1, 81] Operation: 42+39=81 Moving to Node #0,2,1 Current State: 82:[39, 41], Operations: ['74-35=39', '42-1=41'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 39*41=1599, Resulting Numbers: [1599] 1599,82 unequal: No Solution Exploring Operation: 39+41=80, Resulting Numbers: [80] 80,82 unequal: No Solution Moving to Node #0,2,3 Current State: 82:[42, 40], Operations: ['74-35=39', '1+39=40'] Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,82 unequal: No Solution Exploring Operation: 42-40=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[42, 35, 74, 1], Operations: [] Exploring Operation: 74-35=39, Resulting Numbers: [42, 1, 39] Generated Node #0,2: 82:[42, 1, 39] Operation: 74-35=39 Moving to Node #0,2 Current State: 82:[42, 1, 39], Operations: ['74-35=39'] Exploring Operation: 1+39=40, Resulting Numbers: [42, 40] Generated Node #0,2,3: 82:[42, 40] Operation: 1+39=40 Moving to Node #0,2,3 Current State: 82:[42, 40], Operations: ['74-35=39', '1+39=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 32, 74, 58, 42 ]
40
[ "74-58=16", "32/16=2", "42-2=40" ]
Current State: 40:[32, 74, 58, 42], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [32, 42, 16] Generated Node #2: [32, 42, 16] from Operation: 74-58=16 Current State: 40:[32, 42, 16], Operations: ['74-58=16'] Exploring Operation: 32/16=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 32/16=2 Current State: 40:[42, 2], Operations: ['74-58=16', '32/16=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[32, 74, 58, 42], Operations: [] Exploring Operation: 74-32=42, Resulting Numbers: [58, 42, 42] Generated Node #0,0: 40:[58, 42, 42] Operation: 74-32=42 Exploring Operation: 74-58=16, Resulting Numbers: [32, 42, 16] Generated Node #0,1: 40:[32, 42, 16] Operation: 74-58=16 Moving to Node #0,1 Current State: 40:[32, 42, 16], Operations: ['74-58=16'] Exploring Operation: 42-32=10, Resulting Numbers: [16, 10] Generated Node #0,1,0: 40:[16, 10] Operation: 42-32=10 Exploring Operation: 32/16=2, Resulting Numbers: [42, 2] Generated Node #0,1,1: 40:[42, 2] Operation: 32/16=2 Moving to Node #0,0 Current State: 40:[58, 42, 42], Operations: ['74-32=42'] Exploring Operation: 58-42=16, Resulting Numbers: [42, 16] Generated Node #0,0,0: 40:[42, 16] Operation: 58-42=16 Exploring Operation: 58-42=16, Resulting Numbers: [42, 16] Generated Node #0,0,1: 40:[42, 16] Operation: 58-42=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[42, 16], Operations: ['74-32=42', '58-42=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,40 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[42, 16], Operations: ['74-32=42', '58-42=16'] Exploring Operation: 42+16=58, Resulting Numbers: [58] 58,40 unequal: No Solution Exploring Operation: 42-16=26, Resulting Numbers: [26] 26,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 40:[42, 2], Operations: ['74-58=16', '32/16=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[32, 74, 58, 42], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [32, 42, 16] Generated Node #0,1: 40:[32, 42, 16] Operation: 74-58=16 Moving to Node #0,1 Current State: 40:[32, 42, 16], Operations: ['74-58=16'] Exploring Operation: 32/16=2, Resulting Numbers: [42, 2] Generated Node #0,1,1: 40:[42, 2] Operation: 32/16=2 Moving to Node #0,1,1 Current State: 40:[42, 2], Operations: ['74-58=16', '32/16=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 91, 21, 90, 36 ]
58
[ "91+21=112", "90-36=54", "112-54=58" ]
Current State: 58:[91, 21, 90, 36], Operations: [] Exploring Operation: 91+21=112, Resulting Numbers: [90, 36, 112] Generated Node #2: [90, 36, 112] from Operation: 91+21=112 Current State: 58:[90, 36, 112], Operations: ['91+21=112'] Exploring Operation: 90-36=54, Resulting Numbers: [112, 54] Generated Node #3: [112, 54] from Operation: 90-36=54 Current State: 58:[112, 54], Operations: ['91+21=112', '90-36=54'] Exploring Operation: 112-54=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[91, 21, 90, 36], Operations: [] Exploring Operation: 91-36=55, Resulting Numbers: [21, 90, 55] Generated Node #0,0: 58:[21, 90, 55] Operation: 91-36=55 Exploring Operation: 91-90=1, Resulting Numbers: [21, 36, 1] Generated Node #0,1: 58:[21, 36, 1] Operation: 91-90=1 Moving to Node #0,1 Current State: 58:[21, 36, 1], Operations: ['91-90=1'] Exploring Operation: 21+36=57, Resulting Numbers: [1, 57] Generated Node #0,1,0: 58:[1, 57] Operation: 21+36=57 Exploring Operation: 36-21=15, Resulting Numbers: [1, 15] Generated Node #0,1,1: 58:[1, 15] Operation: 36-21=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[1, 57], Operations: ['91-90=1', '21+36=57'] Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[91, 21, 90, 36], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [21, 36, 1] Generated Node #0,1: 58:[21, 36, 1] Operation: 91-90=1 Moving to Node #0,1 Current State: 58:[21, 36, 1], Operations: ['91-90=1'] Exploring Operation: 21+36=57, Resulting Numbers: [1, 57] Generated Node #0,1,0: 58:[1, 57] Operation: 21+36=57 Moving to Node #0,1,0 Current State: 58:[1, 57], Operations: ['91-90=1', '21+36=57'] Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 28, 30, 76, 35 ]
99
[ "28+30=58", "76-35=41", "58+41=99" ]
Current State: 99:[28, 30, 76, 35], Operations: [] Exploring Operation: 28+30=58, Resulting Numbers: [76, 35, 58] Generated Node #2: [76, 35, 58] from Operation: 28+30=58 Current State: 99:[76, 35, 58], Operations: ['28+30=58'] Exploring Operation: 76-35=41, Resulting Numbers: [58, 41] Generated Node #3: [58, 41] from Operation: 76-35=41 Current State: 99:[58, 41], Operations: ['28+30=58', '76-35=41'] Exploring Operation: 58+41=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[28, 30, 76, 35], Operations: [] Exploring Operation: 28+76=104, Resulting Numbers: [30, 35, 104] Generated Node #0,0: 99:[30, 35, 104] Operation: 28+76=104 Moving to Node #0,0 Current State: 99:[30, 35, 104], Operations: ['28+76=104'] Exploring Operation: 35-30=5, Resulting Numbers: [104, 5] Generated Node #0,0,0: 99:[104, 5] Operation: 35-30=5 Moving to Node #0,0,0 Current State: 99:[104, 5], Operations: ['28+76=104', '35-30=5'] Exploring Operation: 104-5=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[28, 30, 76, 35], Operations: [] Exploring Operation: 28+76=104, Resulting Numbers: [30, 35, 104] Generated Node #0,0: 99:[30, 35, 104] Operation: 28+76=104 Moving to Node #0,0 Current State: 99:[30, 35, 104], Operations: ['28+76=104'] Exploring Operation: 35-30=5, Resulting Numbers: [104, 5] Generated Node #0,0,0: 99:[104, 5] Operation: 35-30=5 Moving to Node #0,0,0 Current State: 99:[104, 5], Operations: ['28+76=104', '35-30=5'] Exploring Operation: 104-5=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 48, 74, 22, 69 ]
14
[ "48+22=70", "74-69=5", "70/5=14" ]
Current State: 14:[48, 74, 22, 69], Operations: [] Exploring Operation: 48+22=70, Resulting Numbers: [74, 69, 70] Generated Node #2: [74, 69, 70] from Operation: 48+22=70 Current State: 14:[74, 69, 70], Operations: ['48+22=70'] Exploring Operation: 74-69=5, Resulting Numbers: [70, 5] Generated Node #3: [70, 5] from Operation: 74-69=5 Current State: 14:[70, 5], Operations: ['48+22=70', '74-69=5'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[48, 74, 22, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [48, 22, 5] Generated Node #0,0: 14:[48, 22, 5] Operation: 74-69=5 Moving to Node #0,0 Current State: 14:[48, 22, 5], Operations: ['74-69=5'] Exploring Operation: 48-22=26, Resulting Numbers: [5, 26] Generated Node #0,0,0: 14:[5, 26] Operation: 48-22=26 Moving to Node #0,0,0 Current State: 14:[5, 26], Operations: ['74-69=5', '48-22=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,14 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 22, 17, 60 ]
58
[ "22-7=15", "60-17=43", "15+43=58" ]
Current State: 58:[7, 22, 17, 60], Operations: [] Exploring Operation: 22-7=15, Resulting Numbers: [17, 60, 15] Generated Node #2: [17, 60, 15] from Operation: 22-7=15 Current State: 58:[17, 60, 15], Operations: ['22-7=15'] Exploring Operation: 60-17=43, Resulting Numbers: [15, 43] Generated Node #3: [15, 43] from Operation: 60-17=43 Current State: 58:[15, 43], Operations: ['22-7=15', '60-17=43'] Exploring Operation: 15+43=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[7, 22, 17, 60], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [7, 60, 5] Generated Node #0,0: 58:[7, 60, 5] Operation: 22-17=5 Exploring Operation: 7+22=29, Resulting Numbers: [17, 60, 29] Generated Node #0,1: 58:[17, 60, 29] Operation: 7+22=29 Exploring Operation: 17-7=10, Resulting Numbers: [22, 60, 10] Generated Node #0,2: 58:[22, 60, 10] Operation: 17-7=10 Exploring Operation: 7+17=24, Resulting Numbers: [22, 60, 24] Generated Node #0,3: 58:[22, 60, 24] Operation: 7+17=24 Moving to Node #0,0 Current State: 58:[7, 60, 5], Operations: ['22-17=5'] Exploring Operation: 60-5=55, Resulting Numbers: [7, 55] Generated Node #0,0,0: 58:[7, 55] Operation: 60-5=55 Exploring Operation: 7-5=2, Resulting Numbers: [60, 2] Generated Node #0,0,1: 58:[60, 2] Operation: 7-5=2 Exploring Operation: 60-7=53, Resulting Numbers: [5, 53] Generated Node #0,0,2: 58:[5, 53] Operation: 60-7=53 Exploring Operation: 7*5=35, Resulting Numbers: [60, 35] Generated Node #0,0,3: 58:[60, 35] Operation: 7*5=35 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[60, 2], Operations: ['22-17=5', '7-5=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[7, 22, 17, 60], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [7, 60, 5] Generated Node #0,0: 58:[7, 60, 5] Operation: 22-17=5 Moving to Node #0,0 Current State: 58:[7, 60, 5], Operations: ['22-17=5'] Exploring Operation: 7-5=2, Resulting Numbers: [60, 2] Generated Node #0,0,1: 58:[60, 2] Operation: 7-5=2 Moving to Node #0,0,1 Current State: 58:[60, 2], Operations: ['22-17=5', '7-5=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 32, 80, 31, 80 ]
80
[ "32*80=2560", "31*80=2480", "2560-2480=80" ]
Current State: 80:[32, 80, 31, 80], Operations: [] Exploring Operation: 32*80=2560, Resulting Numbers: [31, 2560] Generated Node #2: [31, 2560] from Operation: 32*80=2560 Current State: 80:[31, 2560], Operations: ['32*80=2560'] Exploring Operation: 31*80=2480, Resulting Numbers: [2560, 2480] Generated Node #3: [2560, 2480] from Operation: 31*80=2480 Current State: 80:[2560, 2480], Operations: ['32*80=2560', '31*80=2480'] Exploring Operation: 2560-2480=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[32, 80, 31, 80], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [31, 80, 48] Generated Node #0,0: 80:[31, 80, 48] Operation: 80-32=48 Exploring Operation: 32-31=1, Resulting Numbers: [80, 80, 1] Generated Node #0,1: 80:[80, 80, 1] Operation: 32-31=1 Moving to Node #0,1 Current State: 80:[80, 80, 1], Operations: ['32-31=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80, 80] Generated Node #0,1,0: 80:[80, 80] Operation: 80*1=80 Exploring Operation: 80/1=80, Resulting Numbers: [80, 80] Generated Node #0,1,1: 80:[80, 80] Operation: 80/1=80 Moving to Node #0,0 Current State: 80:[31, 80, 48], Operations: ['80-32=48'] Exploring Operation: 48-31=17, Resulting Numbers: [80, 17] Generated Node #0,0,0: 80:[80, 17] Operation: 48-31=17 Exploring Operation: 31+48=79, Resulting Numbers: [80, 79] Generated Node #0,0,1: 80:[80, 79] Operation: 31+48=79 Moving to Node #0,1,0 Current State: 80:[80, 80], Operations: ['32-31=1', '80*1=80'] Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[80, 80], Operations: ['32-31=1', '80/1=80'] Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[80, 79], Operations: ['80-32=48', '31+48=79'] Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,80 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[80, 17], Operations: ['80-32=48', '48-31=17'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,80 unequal: No Solution Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,80 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 73, 26, 24, 29 ]
52
[ "73-26=47", "29-24=5", "47+5=52" ]
Current State: 52:[73, 26, 24, 29], Operations: [] Exploring Operation: 73-26=47, Resulting Numbers: [24, 29, 47] Generated Node #2: [24, 29, 47] from Operation: 73-26=47 Current State: 52:[24, 29, 47], Operations: ['73-26=47'] Exploring Operation: 29-24=5, Resulting Numbers: [47, 5] Generated Node #3: [47, 5] from Operation: 29-24=5 Current State: 52:[47, 5], Operations: ['73-26=47', '29-24=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[73, 26, 24, 29], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [26, 29, 49] Generated Node #0,0: 52:[26, 29, 49] Operation: 73-24=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[26, 29, 49], Operations: ['73-24=49'] Exploring Operation: 29-26=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 29-26=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['73-24=49', '29-26=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[73, 26, 24, 29], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [26, 29, 49] Generated Node #0,0: 52:[26, 29, 49] Operation: 73-24=49 Moving to Node #0,0 Current State: 52:[26, 29, 49], Operations: ['73-24=49'] Exploring Operation: 29-26=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 29-26=3 Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['73-24=49', '29-26=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 72, 20, 25, 16 ]
28
[ "20-16=4", "25*4=100", "100-72=28" ]
Current State: 28:[72, 20, 25, 16], Operations: [] Exploring Operation: 20-16=4, Resulting Numbers: [72, 25, 4] Generated Node #2: [72, 25, 4] from Operation: 20-16=4 Current State: 28:[72, 25, 4], Operations: ['20-16=4'] Exploring Operation: 25*4=100, Resulting Numbers: [72, 100] Generated Node #3: [72, 100] from Operation: 25*4=100 Current State: 28:[72, 100], Operations: ['20-16=4', '25*4=100'] Exploring Operation: 100-72=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[72, 20, 25, 16], Operations: [] Exploring Operation: 72-25=47, Resulting Numbers: [20, 16, 47] Generated Node #0,0: 28:[20, 16, 47] Operation: 72-25=47 Exploring Operation: 72-20=52, Resulting Numbers: [25, 16, 52] Generated Node #0,1: 28:[25, 16, 52] Operation: 72-20=52 Exploring Operation: 72-16=56, Resulting Numbers: [20, 25, 56] Generated Node #0,2: 28:[20, 25, 56] Operation: 72-16=56 Moving to Node #0,0 Current State: 28:[20, 16, 47], Operations: ['72-25=47'] Exploring Operation: 47-16=31, Resulting Numbers: [20, 31] Generated Node #0,0,0: 28:[20, 31] Operation: 47-16=31 Exploring Operation: 20-16=4, Resulting Numbers: [47, 4] Generated Node #0,0,1: 28:[47, 4] Operation: 20-16=4 Exploring Operation: 47-20=27, Resulting Numbers: [16, 27] Generated Node #0,0,2: 28:[16, 27] Operation: 47-20=27 Moving to Node #0,1 Current State: 28:[25, 16, 52], Operations: ['72-20=52'] Exploring Operation: 52-16=36, Resulting Numbers: [25, 36] Generated Node #0,1,0: 28:[25, 36] Operation: 52-16=36 Exploring Operation: 25-16=9, Resulting Numbers: [52, 9] Generated Node #0,1,1: 28:[52, 9] Operation: 25-16=9 Exploring Operation: 52-25=27, Resulting Numbers: [16, 27] Generated Node #0,1,2: 28:[16, 27] Operation: 52-25=27 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[16, 27], Operations: ['72-20=52', '52-25=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,28 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[25, 36], Operations: ['72-20=52', '52-16=36'] Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,28 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[52, 9], Operations: ['72-20=52', '25-16=9'] Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,28 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,28 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: 28:[20, 25, 56], Operations: ['72-16=56'] Exploring Operation: 25-20=5, Resulting Numbers: [56, 5] Generated Node #0,2,0: 28:[56, 5] Operation: 25-20=5 Exploring Operation: 56-20=36, Resulting Numbers: [25, 36] Generated Node #0,2,1: 28:[25, 36] Operation: 56-20=36 Exploring Operation: 56-25=31, Resulting Numbers: [20, 31] Generated Node #0,2,2: 28:[20, 31] Operation: 56-25=31 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[20, 31], Operations: ['72-16=56', '56-25=31'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,28 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,28 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 #0,2,1 Current State: 28:[25, 36], Operations: ['72-16=56', '56-20=36'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 25*36=900, Resulting Numbers: [900] 900,28 unequal: No Solution Exploring Operation: 25+36=61, Resulting Numbers: [61] 61,28 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:[56, 5], Operations: ['72-16=56', '25-20=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,28 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,28 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: 28:[16, 27], Operations: ['72-25=47', '47-20=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[20, 31], Operations: ['72-25=47', '47-16=31'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 20+31=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 20*31=620, Resulting Numbers: [620] 620,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[47, 4], Operations: ['72-25=47', '20-16=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,28 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,28 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 27, 9, 72, 72 ]
76
[ "27-9=18", "72/18=4", "72+4=76" ]
Current State: 76:[27, 9, 72, 72], Operations: [] Exploring Operation: 27-9=18, Resulting Numbers: [72, 72, 18] Generated Node #2: [72, 72, 18] from Operation: 27-9=18 Current State: 76:[72, 72, 18], Operations: ['27-9=18'] Exploring Operation: 72/18=4, Resulting Numbers: [4] 4,76 equal: Goal Reached Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[27, 9, 72, 72], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [27, 9, 0] Generated Node #0,0: 76:[27, 9, 0] Operation: 72-72=0 Exploring Operation: 27+9=36, Resulting Numbers: [72, 72, 36] Generated Node #0,1: 76:[72, 72, 36] Operation: 27+9=36 Exploring Operation: 72/72=1, Resulting Numbers: [27, 9, 1] Generated Node #0,2: 76:[27, 9, 1] Operation: 72/72=1 Exploring Operation: 27-9=18, Resulting Numbers: [72, 72, 18] Generated Node #0,3: 76:[72, 72, 18] Operation: 27-9=18 Exploring Operation: 27/9=3, Resulting Numbers: [72, 72, 3] Generated Node #0,4: 76:[72, 72, 3] Operation: 27/9=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[72, 72, 18], Operations: ['27-9=18'] Exploring Operation: 72/72=1, Resulting Numbers: [18, 1] Generated Node #0,3,0: 76:[18, 1] Operation: 72/72=1 Exploring Operation: 72/18=4, Resulting Numbers: [72, 4] Generated Node #0,3,1: 76:[72, 4] Operation: 72/18=4 Exploring Operation: 72+18=90, Resulting Numbers: [72, 90] Generated Node #0,3,2: 76:[72, 90] Operation: 72+18=90 Exploring Operation: 72-72=0, Resulting Numbers: [18, 0] Generated Node #0,3,3: 76:[18, 0] Operation: 72-72=0 Exploring Operation: 72/18=4, Resulting Numbers: [72, 4] Generated Node #0,3,4: 76:[72, 4] Operation: 72/18=4 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 76:[18, 1], Operations: ['27-9=18', '72/72=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 76:[18, 0], Operations: ['27-9=18', '72-72=0'] Exploring Operation: 18+0=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 18-0=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 18*0=0, Resulting Numbers: [0] 0,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 76:[72, 4], Operations: ['27-9=18', '72/18=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 72*4=288, Resulting Numbers: [288] 288,76 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[27, 9, 72, 72], Operations: [] Exploring Operation: 27-9=18, Resulting Numbers: [72, 72, 18] Generated Node #0,3: 76:[72, 72, 18] Operation: 27-9=18 Moving to Node #0,3 Current State: 76:[72, 72, 18], Operations: ['27-9=18'] Exploring Operation: 72/18=4, Resulting Numbers: [72, 4] Generated Node #0,3,1: 76:[72, 4] Operation: 72/18=4 Moving to Node #0,3,1 Current State: 76:[72, 4], Operations: ['27-9=18', '72/18=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 45, 9, 23, 39 ]
99
[ "39-23=16", "9*16=144", "144-45=99" ]
Current State: 99:[45, 9, 23, 39], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [45, 9, 16] Generated Node #2: [45, 9, 16] from Operation: 39-23=16 Current State: 99:[45, 9, 16], Operations: ['39-23=16'] Exploring Operation: 9*16=144, Resulting Numbers: [45, 144] Generated Node #3: [45, 144] from Operation: 9*16=144 Current State: 99:[45, 144], Operations: ['39-23=16', '9*16=144'] Exploring Operation: 144-45=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[45, 9, 23, 39], Operations: [] Exploring Operation: 45-23=22, Resulting Numbers: [9, 39, 22] Generated Node #0,0: 99:[9, 39, 22] Operation: 45-23=22 Exploring Operation: 45-39=6, Resulting Numbers: [9, 23, 6] Generated Node #0,1: 99:[9, 23, 6] Operation: 45-39=6 Moving to Node #0,1 Current State: 99:[9, 23, 6], Operations: ['45-39=6'] Exploring Operation: 23+6=29, Resulting Numbers: [9, 29] Generated Node #0,1,0: 99:[9, 29] Operation: 23+6=29 Exploring Operation: 9+23=32, Resulting Numbers: [6, 32] Generated Node #0,1,1: 99:[6, 32] Operation: 9+23=32 Moving to Node #0,0 Current State: 99:[9, 39, 22], Operations: ['45-23=22'] Exploring Operation: 9+22=31, Resulting Numbers: [39, 31] Generated Node #0,0,0: 99:[39, 31] Operation: 9+22=31 Exploring Operation: 39-22=17, Resulting Numbers: [9, 17] Generated Node #0,0,1: 99:[9, 17] Operation: 39-22=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[9, 17], Operations: ['45-23=22', '39-22=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[39, 31], Operations: ['45-23=22', '9+22=31'] Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 99:[9, 29], Operations: ['45-39=6', '23+6=29'] Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,99 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[6, 32], Operations: ['45-39=6', '9+23=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,99 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 6, 44, 29, 86 ]
44
[ "6*29=174", "44+86=130", "174-130=44" ]
Current State: 44:[6, 44, 29, 86], Operations: [] Exploring Operation: 6*29=174, Resulting Numbers: [44, 86, 174] Generated Node #2: [44, 86, 174] from Operation: 6*29=174 Current State: 44:[44, 86, 174], Operations: ['6*29=174'] Exploring Operation: 44+86=130, Resulting Numbers: [174, 130] Generated Node #3: [174, 130] from Operation: 44+86=130 Current State: 44:[174, 130], Operations: ['6*29=174', '44+86=130'] Exploring Operation: 174-130=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[6, 44, 29, 86], Operations: [] Exploring Operation: 86-29=57, Resulting Numbers: [6, 44, 57] Generated Node #0,0: 44:[6, 44, 57] Operation: 86-29=57 Exploring Operation: 86-44=42, Resulting Numbers: [6, 29, 42] Generated Node #0,1: 44:[6, 29, 42] Operation: 86-44=42 Exploring Operation: 29-6=23, Resulting Numbers: [44, 86, 23] Generated Node #0,2: 44:[44, 86, 23] Operation: 29-6=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[6, 29, 42], Operations: ['86-44=42'] Exploring Operation: 42/6=7, Resulting Numbers: [29, 7] Generated Node #0,1,0: 44:[29, 7] Operation: 42/6=7 Exploring Operation: 42-29=13, Resulting Numbers: [6, 13] Generated Node #0,1,1: 44:[6, 13] Operation: 42-29=13 Exploring Operation: 29-6=23, Resulting Numbers: [42, 23] Generated Node #0,1,2: 44:[42, 23] Operation: 29-6=23 Moving to Node #0,1,2 Current State: 44:[42, 23], Operations: ['86-44=42', '29-6=23'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,44 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[6, 13], Operations: ['86-44=42', '42-29=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,44 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[29, 7], Operations: ['86-44=42', '42/6=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[6, 44, 57], Operations: ['86-29=57'] Exploring Operation: 57-6=51, Resulting Numbers: [44, 51] Generated Node #0,0,0: 44:[44, 51] Operation: 57-6=51 Exploring Operation: 6+44=50, Resulting Numbers: [57, 50] Generated Node #0,0,1: 44:[57, 50] Operation: 6+44=50 Exploring Operation: 57-44=13, Resulting Numbers: [6, 13] Generated Node #0,0,2: 44:[6, 13] Operation: 57-44=13 Moving to Node #0,0,2 Current State: 44:[6, 13], Operations: ['86-29=57', '57-44=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,44 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[44, 51], Operations: ['86-29=57', '57-6=51'] Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[57, 50], Operations: ['86-29=57', '6+44=50'] Exploring Operation: 57+50=107, Resulting Numbers: [107] 107,44 unequal: No Solution Exploring Operation: 57*50=2850, Resulting Numbers: [2850] 2850,44 unequal: No Solution Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,44 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 #0,2 Current State: 44:[44, 86, 23], Operations: ['29-6=23'] Exploring Operation: 44-23=21, Resulting Numbers: [86, 21] Generated Node #0,2,0: 44:[86, 21] Operation: 44-23=21 Exploring Operation: 86-23=63, Resulting Numbers: [44, 63] Generated Node #0,2,1: 44:[44, 63] Operation: 86-23=63 Exploring Operation: 86-44=42, Resulting Numbers: [23, 42] Generated Node #0,2,2: 44:[23, 42] Operation: 86-44=42 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[23, 42], Operations: ['29-6=23', '86-44=42'] Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,44 unequal: No Solution Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,44 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[44, 63], Operations: ['29-6=23', '86-23=63'] Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 44+63=107, Resulting Numbers: [107] 107,44 unequal: No Solution Exploring Operation: 44*63=2772, Resulting Numbers: [2772] 2772,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[86, 21], Operations: ['29-6=23', '44-23=21'] Exploring Operation: 86+21=107, Resulting Numbers: [107] 107,44 unequal: No Solution Exploring Operation: 86*21=1806, Resulting Numbers: [1806] 1806,44 unequal: No Solution Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 22, 5, 63, 37 ]
33
[ "22*63=1386", "5+37=42", "1386/42=33" ]
Current State: 33:[22, 5, 63, 37], Operations: [] Exploring Operation: 22*63=1386, Resulting Numbers: [5, 37, 1386] Generated Node #2: [5, 37, 1386] from Operation: 22*63=1386 Current State: 33:[5, 37, 1386], Operations: ['22*63=1386'] Exploring Operation: 5+37=42, Resulting Numbers: [1386, 42] Generated Node #3: [1386, 42] from Operation: 5+37=42 Current State: 33:[1386, 42], Operations: ['22*63=1386', '5+37=42'] Exploring Operation: 1386/42=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[22, 5, 63, 37], Operations: [] Exploring Operation: 22-5=17, Resulting Numbers: [63, 37, 17] Generated Node #0,0: 33:[63, 37, 17] Operation: 22-5=17 Exploring Operation: 22+5=27, Resulting Numbers: [63, 37, 27] Generated Node #0,1: 33:[63, 37, 27] Operation: 22+5=27 Exploring Operation: 37-22=15, Resulting Numbers: [5, 63, 15] Generated Node #0,2: 33:[5, 63, 15] Operation: 37-22=15 Exploring Operation: 63-37=26, Resulting Numbers: [22, 5, 26] Generated Node #0,3: 33:[22, 5, 26] Operation: 63-37=26 Exploring Operation: 63-22=41, Resulting Numbers: [5, 37, 41] Generated Node #0,4: 33:[5, 37, 41] Operation: 63-22=41 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[5, 37, 41], Operations: ['63-22=41'] Exploring Operation: 41-5=36, Resulting Numbers: [37, 36] Generated Node #0,4,0: 33:[37, 36] Operation: 41-5=36 Exploring Operation: 37-5=32, Resulting Numbers: [41, 32] Generated Node #0,4,1: 33:[41, 32] Operation: 37-5=32 Exploring Operation: 5+41=46, Resulting Numbers: [37, 46] Generated Node #0,4,2: 33:[37, 46] Operation: 5+41=46 Exploring Operation: 5+37=42, Resulting Numbers: [41, 42] Generated Node #0,4,3: 33:[41, 42] Operation: 5+37=42 Exploring Operation: 41-37=4, Resulting Numbers: [5, 4] Generated Node #0,4,4: 33:[5, 4] Operation: 41-37=4 Moving to Node #0,4,4 Current State: 33:[5, 4], Operations: ['63-22=41', '41-37=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,33 unequal: No Solution Moving to Node #0,4,0 Current State: 33:[37, 36], Operations: ['63-22=41', '41-5=36'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[41, 32], Operations: ['63-22=41', '37-5=32'] Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[37, 46], Operations: ['63-22=41', '5+41=46'] Exploring Operation: 37+46=83, Resulting Numbers: [83] 83,33 unequal: No Solution Exploring Operation: 37*46=1702, Resulting Numbers: [1702] 1702,33 unequal: No Solution Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[41, 42], Operations: ['63-22=41', '5+37=42'] Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 41*42=1722, Resulting Numbers: [1722] 1722,33 unequal: No Solution Exploring Operation: 41+42=83, Resulting Numbers: [83] 83,33 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 #0,3 Current State: 33:[22, 5, 26], Operations: ['63-37=26'] Exploring Operation: 22+26=48, Resulting Numbers: [5, 48] Generated Node #0,3,0: 33:[5, 48] Operation: 22+26=48 Exploring Operation: 22+5=27, Resulting Numbers: [26, 27] Generated Node #0,3,1: 33:[26, 27] Operation: 22+5=27 Exploring Operation: 26-22=4, Resulting Numbers: [5, 4] Generated Node #0,3,2: 33:[5, 4] Operation: 26-22=4 Exploring Operation: 5+26=31, Resulting Numbers: [22, 31] Generated Node #0,3,3: 33:[22, 31] Operation: 5+26=31 Exploring Operation: 22-5=17, Resulting Numbers: [26, 17] Generated Node #0,3,4: 33:[26, 17] Operation: 22-5=17 Moving to Node #0,3,2 Current State: 33:[5, 4], Operations: ['63-37=26', '26-22=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[22, 31], Operations: ['63-37=26', '5+26=31'] Exploring Operation: 22*31=682, Resulting Numbers: [682] 682,33 unequal: No Solution Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[26, 27], Operations: ['63-37=26', '22+5=27'] Exploring Operation: 26*27=702, Resulting Numbers: [702] 702,33 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 26+27=53, Resulting Numbers: [53] 53,33 unequal: No Solution Moving to Node #0,3,4 Current State: 33:[26, 17], Operations: ['63-37=26', '22-5=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,33 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[5, 48], Operations: ['63-37=26', '22+26=48'] Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,33 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 #0,2 Current State: 33:[5, 63, 15], Operations: ['37-22=15'] Exploring Operation: 5+63=68, Resulting Numbers: [15, 68] Generated Node #0,2,0: 33:[15, 68] Operation: 5+63=68 Exploring Operation: 15-5=10, Resulting Numbers: [63, 10] Generated Node #0,2,1: 33:[63, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [63, 3] Generated Node #0,2,2: 33:[63, 3] Operation: 15/5=3 Exploring Operation: 63-15=48, Resulting Numbers: [5, 48] Generated Node #0,2,3: 33:[5, 48] Operation: 63-15=48 Exploring Operation: 63-5=58, Resulting Numbers: [15, 58] Generated Node #0,2,4: 33:[15, 58] Operation: 63-5=58 Moving to Node #0,2,3 Current State: 33:[5, 48], Operations: ['37-22=15', '63-15=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[15, 58], Operations: ['37-22=15', '63-5=58'] Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[63, 3], Operations: ['37-22=15', '15/5=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,33 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,33 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[63, 10], Operations: ['37-22=15', '15-5=10'] Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,33 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[15, 68], Operations: ['37-22=15', '5+63=68'] Exploring Operation: 15*68=1020, Resulting Numbers: [1020] 1020,33 unequal: No Solution Exploring Operation: 68-15=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 15+68=83, Resulting Numbers: [83] 83,33 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:[63, 37, 17], Operations: ['22-5=17'] Exploring Operation: 63-37=26, Resulting Numbers: [17, 26] Generated Node #0,0,0: 33:[17, 26] Operation: 63-37=26 Exploring Operation: 63+17=80, Resulting Numbers: [37, 80] Generated Node #0,0,1: 33:[37, 80] Operation: 63+17=80 Exploring Operation: 37-17=20, Resulting Numbers: [63, 20] Generated Node #0,0,2: 33:[63, 20] Operation: 37-17=20 Exploring Operation: 37+17=54, Resulting Numbers: [63, 54] Generated Node #0,0,3: 33:[63, 54] Operation: 37+17=54 Exploring Operation: 63-17=46, Resulting Numbers: [37, 46] Generated Node #0,0,4: 33:[37, 46] Operation: 63-17=46 Moving to Node #0,0,0 Current State: 33:[17, 26], Operations: ['22-5=17', '63-37=26'] Exploring Operation: 17+26=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 17*26=442, Resulting Numbers: [442] 442,33 unequal: No Solution Moving to Node #0,0,4 Current State: 33:[37, 46], Operations: ['22-5=17', '63-17=46'] Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 37+46=83, Resulting Numbers: [83] 83,33 unequal: No Solution Exploring Operation: 37*46=1702, Resulting Numbers: [1702] 1702,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[63, 20], Operations: ['22-5=17', '37-17=20'] Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,33 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[37, 80], Operations: ['22-5=17', '63+17=80'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 37*80=2960, Resulting Numbers: [2960] 2960,33 unequal: No Solution Exploring Operation: 37+80=117, Resulting Numbers: [117] 117,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[63, 54], Operations: ['22-5=17', '37+17=54'] Exploring Operation: 63*54=3402, Resulting Numbers: [3402] 3402,33 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 63+54=117, Resulting Numbers: [117] 117,33 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 #0,1 Current State: 33:[63, 37, 27], Operations: ['22+5=27'] Exploring Operation: 37+27=64, Resulting Numbers: [63, 64] Generated Node #0,1,0: 33:[63, 64] Operation: 37+27=64 Exploring Operation: 63-37=26, Resulting Numbers: [27, 26] Generated Node #0,1,1: 33:[27, 26] Operation: 63-37=26 Exploring Operation: 63-27=36, Resulting Numbers: [37, 36] Generated Node #0,1,2: 33:[37, 36] Operation: 63-27=36 Exploring Operation: 63+27=90, Resulting Numbers: [37, 90] Generated Node #0,1,3: 33:[37, 90] Operation: 63+27=90 Exploring Operation: 37-27=10, Resulting Numbers: [63, 10] Generated Node #0,1,4: 33:[63, 10] Operation: 37-27=10 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[37, 36], Operations: ['22+5=27', '63-27=36'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,33 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:[27, 26], Operations: ['22+5=27', '63-37=26'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,33 unequal: No Solution Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,33 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:[63, 10], Operations: ['22+5=27', '37-27=10'] Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,33 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,33 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 #0,1,0 Current State: 33:[63, 64], Operations: ['22+5=27', '37+27=64'] Exploring Operation: 64-63=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 63+64=127, Resulting Numbers: [127] 127,33 unequal: No Solution Exploring Operation: 63*64=4032, Resulting Numbers: [4032] 4032,33 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:[37, 90], Operations: ['22+5=27', '63+27=90'] Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,33 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,33 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
[ 65, 47, 93, 75 ]
94
[ "65+47=112", "93-75=18", "112-18=94" ]
Current State: 94:[65, 47, 93, 75], Operations: [] Exploring Operation: 65+47=112, Resulting Numbers: [93, 75, 112] Generated Node #2: [93, 75, 112] from Operation: 65+47=112 Current State: 94:[93, 75, 112], Operations: ['65+47=112'] Exploring Operation: 93-75=18, Resulting Numbers: [112, 18] Generated Node #3: [112, 18] from Operation: 93-75=18 Current State: 94:[112, 18], Operations: ['65+47=112', '93-75=18'] Exploring Operation: 112-18=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[65, 47, 93, 75], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [47, 93, 10] Generated Node #0,0: 94:[47, 93, 10] Operation: 75-65=10 Exploring Operation: 93-75=18, Resulting Numbers: [65, 47, 18] Generated Node #0,1: 94:[65, 47, 18] Operation: 93-75=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[47, 93, 10], Operations: ['75-65=10'] Exploring Operation: 93+10=103, Resulting Numbers: [47, 103] Generated Node #0,0,0: 94:[47, 103] Operation: 93+10=103 Exploring Operation: 93-47=46, Resulting Numbers: [10, 46] Generated Node #0,0,1: 94:[10, 46] Operation: 93-47=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[47, 103], Operations: ['75-65=10', '93+10=103'] Exploring Operation: 47+103=150, Resulting Numbers: [150] 150,94 unequal: No Solution Exploring Operation: 103-47=56, Resulting Numbers: [56] 56,94 unequal: No Solution No 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: 94:[10, 46], Operations: ['75-65=10', '93-47=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,94 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,94 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: 94:[65, 47, 18], Operations: ['93-75=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47, 47] Generated Node #0,1,0: 94:[47, 47] Operation: 65-18=47 Exploring Operation: 65+18=83, Resulting Numbers: [47, 83] Generated Node #0,1,1: 94:[47, 83] Operation: 65+18=83 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[47, 47], Operations: ['93-75=18', '65-18=47'] Exploring Operation: 47/47=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[65, 47, 93, 75], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [65, 47, 18] Generated Node #0,1: 94:[65, 47, 18] Operation: 93-75=18 Moving to Node #0,1 Current State: 94:[65, 47, 18], Operations: ['93-75=18'] Exploring Operation: 65-18=47, Resulting Numbers: [47, 47] Generated Node #0,1,0: 94:[47, 47] Operation: 65-18=47 Moving to Node #0,1,0 Current State: 94:[47, 47], Operations: ['93-75=18', '65-18=47'] Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 56, 44, 39, 27 ]
34
[ "56+44=100", "39+27=66", "100-66=34" ]
Current State: 34:[56, 44, 39, 27], Operations: [] Exploring Operation: 56+44=100, Resulting Numbers: [39, 27, 100] Generated Node #2: [39, 27, 100] from Operation: 56+44=100 Current State: 34:[39, 27, 100], Operations: ['56+44=100'] Exploring Operation: 39+27=66, Resulting Numbers: [100, 66] Generated Node #3: [100, 66] from Operation: 39+27=66 Current State: 34:[100, 66], Operations: ['56+44=100', '39+27=66'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[56, 44, 39, 27], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [39, 27, 12] Generated Node #0,0: 34:[39, 27, 12] Operation: 56-44=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[39, 27, 12], Operations: ['56-44=12'] Exploring Operation: 27-12=15, Resulting Numbers: [39, 15] Generated Node #0,0,0: 34:[39, 15] Operation: 27-12=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[39, 15], Operations: ['56-44=12', '27-12=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 96, 31, 24 ]
18
[ "30+96=126", "31-24=7", "126/7=18" ]
Current State: 18:[30, 96, 31, 24], Operations: [] Exploring Operation: 30+96=126, Resulting Numbers: [31, 24, 126] Generated Node #2: [31, 24, 126] from Operation: 30+96=126 Current State: 18:[31, 24, 126], Operations: ['30+96=126'] Exploring Operation: 31-24=7, Resulting Numbers: [126, 7] Generated Node #3: [126, 7] from Operation: 31-24=7 Current State: 18:[126, 7], Operations: ['30+96=126', '31-24=7'] Exploring Operation: 126/7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[30, 96, 31, 24], Operations: [] Exploring Operation: 96-31=65, Resulting Numbers: [30, 24, 65] Generated Node #0,0: 18:[30, 24, 65] Operation: 96-31=65 Exploring Operation: 96/24=4, Resulting Numbers: [30, 31, 4] Generated Node #0,1: 18:[30, 31, 4] Operation: 96/24=4 Exploring Operation: 96-30=66, Resulting Numbers: [31, 24, 66] Generated Node #0,2: 18:[31, 24, 66] Operation: 96-30=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[30, 31, 4], Operations: ['96/24=4'] Exploring Operation: 31-4=27, Resulting Numbers: [30, 27] Generated Node #0,1,0: 18:[30, 27] Operation: 31-4=27 Exploring Operation: 30-4=26, Resulting Numbers: [31, 26] Generated Node #0,1,1: 18:[31, 26] Operation: 30-4=26 Exploring Operation: 31-30=1, Resulting Numbers: [4, 1] Generated Node #0,1,2: 18:[4, 1] Operation: 31-30=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[4, 1], Operations: ['96/24=4', '31-30=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[30, 27], Operations: ['96/24=4', '31-4=27'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 30*27=810, Resulting Numbers: [810] 810,18 unequal: No Solution Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[31, 26], Operations: ['96/24=4', '30-4=26'] Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,18 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[30, 24, 65], Operations: ['96-31=65'] Exploring Operation: 30-24=6, Resulting Numbers: [65, 6] Generated Node #0,0,0: 18:[65, 6] Operation: 30-24=6 Exploring Operation: 65-30=35, Resulting Numbers: [24, 35] Generated Node #0,0,1: 18:[24, 35] Operation: 65-30=35 Exploring Operation: 65-24=41, Resulting Numbers: [30, 41] Generated Node #0,0,2: 18:[30, 41] Operation: 65-24=41 Moving to Node #0,0,1 Current State: 18:[24, 35], Operations: ['96-31=65', '65-30=35'] Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,18 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,18 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[30, 41], Operations: ['96-31=65', '65-24=41'] Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,18 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[65, 6], Operations: ['96-31=65', '30-24=6'] Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,18 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[31, 24, 66], Operations: ['96-30=66'] Exploring Operation: 31-24=7, Resulting Numbers: [66, 7] Generated Node #0,2,0: 18:[66, 7] Operation: 31-24=7 Exploring Operation: 66-31=35, Resulting Numbers: [24, 35] Generated Node #0,2,1: 18:[24, 35] Operation: 66-31=35 Exploring Operation: 66-24=42, Resulting Numbers: [31, 42] Generated Node #0,2,2: 18:[31, 42] Operation: 66-24=42 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[24, 35], Operations: ['96-30=66', '66-31=35'] Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,18 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[31, 42], Operations: ['96-30=66', '66-24=42'] Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,18 unequal: No Solution Exploring Operation: 31*42=1302, Resulting Numbers: [1302] 1302,18 unequal: No Solution Exploring Operation: 31+42=73, Resulting Numbers: [73] 73,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[66, 7], Operations: ['96-30=66', '31-24=7'] Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,18 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 59, 90, 10, 9 ]
30
[ "90-59=31", "10-9=1", "31-1=30" ]
Current State: 30:[59, 90, 10, 9], Operations: [] Exploring Operation: 90-59=31, Resulting Numbers: [10, 9, 31] Generated Node #2: [10, 9, 31] from Operation: 90-59=31 Current State: 30:[10, 9, 31], Operations: ['90-59=31'] Exploring Operation: 10-9=1, Resulting Numbers: [31, 1] Generated Node #3: [31, 1] from Operation: 10-9=1 Current State: 30:[31, 1], Operations: ['90-59=31', '10-9=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[59, 90, 10, 9], Operations: [] Exploring Operation: 90-59=31, Resulting Numbers: [10, 9, 31] Generated Node #0,0: 30:[10, 9, 31] Operation: 90-59=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[10, 9, 31], Operations: ['90-59=31'] Exploring Operation: 10-9=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 30:[31, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[31, 1], Operations: ['90-59=31', '10-9=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[59, 90, 10, 9], Operations: [] Exploring Operation: 90-59=31, Resulting Numbers: [10, 9, 31] Generated Node #0,0: 30:[10, 9, 31] Operation: 90-59=31 Moving to Node #0,0 Current State: 30:[10, 9, 31], Operations: ['90-59=31'] Exploring Operation: 10-9=1, Resulting Numbers: [31, 1] Generated Node #0,0,0: 30:[31, 1] Operation: 10-9=1 Moving to Node #0,0,0 Current State: 30:[31, 1], Operations: ['90-59=31', '10-9=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 86, 46, 54, 34 ]
23
[ "86-54=32", "34-32=2", "46/2=23" ]
Current State: 23:[86, 46, 54, 34], Operations: [] Exploring Operation: 86-54=32, Resulting Numbers: [46, 34, 32] Generated Node #2: [46, 34, 32] from Operation: 86-54=32 Current State: 23:[46, 34, 32], Operations: ['86-54=32'] Exploring Operation: 34-32=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 34-32=2 Current State: 23:[46, 2], Operations: ['86-54=32', '34-32=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[86, 46, 54, 34], Operations: [] Exploring Operation: 86-34=52, Resulting Numbers: [46, 54, 52] Generated Node #0,0: 23:[46, 54, 52] Operation: 86-34=52 Exploring Operation: 86-54=32, Resulting Numbers: [46, 34, 32] Generated Node #0,1: 23:[46, 34, 32] Operation: 86-54=32 Exploring Operation: 86-46=40, Resulting Numbers: [54, 34, 40] Generated Node #0,2: 23:[54, 34, 40] Operation: 86-46=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[46, 34, 32], Operations: ['86-54=32'] Exploring Operation: 34-32=2, Resulting Numbers: [46, 2] Generated Node #0,1,0: 23:[46, 2] Operation: 34-32=2 Exploring Operation: 46-32=14, Resulting Numbers: [34, 14] Generated Node #0,1,1: 23:[34, 14] Operation: 46-32=14 Exploring Operation: 46-34=12, Resulting Numbers: [32, 12] Generated Node #0,1,2: 23:[32, 12] Operation: 46-34=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[34, 14], Operations: ['86-54=32', '46-32=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,23 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[32, 12], Operations: ['86-54=32', '46-34=12'] Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,23 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[46, 2], Operations: ['86-54=32', '34-32=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[86, 46, 54, 34], Operations: [] Exploring Operation: 86-54=32, Resulting Numbers: [46, 34, 32] Generated Node #0,1: 23:[46, 34, 32] Operation: 86-54=32 Moving to Node #0,1 Current State: 23:[46, 34, 32], Operations: ['86-54=32'] Exploring Operation: 34-32=2, Resulting Numbers: [46, 2] Generated Node #0,1,0: 23:[46, 2] Operation: 34-32=2 Moving to Node #0,1,0 Current State: 23:[46, 2], Operations: ['86-54=32', '34-32=2'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 3, 22, 58, 74 ]
98
[ "74-22=52", "3*52=156", "156-58=98" ]
Current State: 98:[3, 22, 58, 74], Operations: [] Exploring Operation: 74-22=52, Resulting Numbers: [3, 58, 52] Generated Node #2: [3, 58, 52] from Operation: 74-22=52 Current State: 98:[3, 58, 52], Operations: ['74-22=52'] Exploring Operation: 3*52=156, Resulting Numbers: [58, 156] Generated Node #3: [58, 156] from Operation: 3*52=156 Current State: 98:[58, 156], Operations: ['74-22=52', '3*52=156'] Exploring Operation: 156-58=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 22, 58, 74], Operations: [] Exploring Operation: 22+74=96, Resulting Numbers: [3, 58, 96] Generated Node #0,0: 98:[3, 58, 96] Operation: 22+74=96 Exploring Operation: 74-58=16, Resulting Numbers: [3, 22, 16] Generated Node #0,1: 98:[3, 22, 16] Operation: 74-58=16 Exploring Operation: 74-22=52, Resulting Numbers: [3, 58, 52] Generated Node #0,2: 98:[3, 58, 52] Operation: 74-22=52 Exploring Operation: 22-3=19, Resulting Numbers: [58, 74, 19] Generated Node #0,3: 98:[58, 74, 19] Operation: 22-3=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[3, 22, 16], Operations: ['74-58=16'] Exploring Operation: 16-3=13, Resulting Numbers: [22, 13] Generated Node #0,1,0: 98:[22, 13] Operation: 16-3=13 Exploring Operation: 3*16=48, Resulting Numbers: [22, 48] Generated Node #0,1,1: 98:[22, 48] Operation: 3*16=48 Exploring Operation: 22-3=19, Resulting Numbers: [16, 19] Generated Node #0,1,2: 98:[16, 19] Operation: 22-3=19 Exploring Operation: 22-16=6, Resulting Numbers: [3, 6] Generated Node #0,1,3: 98:[3, 6] Operation: 22-16=6 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[3, 6], Operations: ['74-58=16', '22-16=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,98 unequal: No Solution No 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: 98:[16, 19], Operations: ['74-58=16', '22-3=19'] Exploring Operation: 16*19=304, Resulting Numbers: [304] 304,98 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,98 unequal: No Solution No 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: 98:[22, 13], Operations: ['74-58=16', '16-3=13'] Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,98 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,98 unequal: No Solution No 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: 98:[22, 48], Operations: ['74-58=16', '3*16=48'] Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 22+48=70, Resulting Numbers: [70] 70,98 unequal: No Solution Exploring Operation: 22*48=1056, Resulting Numbers: [1056] 1056,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 58, 96], Operations: ['22+74=96'] Exploring Operation: 58-3=55, Resulting Numbers: [96, 55] Generated Node #0,0,0: 98:[96, 55] Operation: 58-3=55 Exploring Operation: 96-58=38, Resulting Numbers: [3, 38] Generated Node #0,0,1: 98:[3, 38] Operation: 96-58=38 Exploring Operation: 3+58=61, Resulting Numbers: [96, 61] Generated Node #0,0,2: 98:[96, 61] Operation: 3+58=61 Exploring Operation: 3+96=99, Resulting Numbers: [58, 99] Generated Node #0,0,3: 98:[58, 99] Operation: 3+96=99 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[96, 55], Operations: ['22+74=96', '58-3=55'] Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,98 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,98 unequal: No Solution Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,98 unequal: No Solution No 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: 98:[58, 99], Operations: ['22+74=96', '3+96=99'] Exploring Operation: 58*99=5742, Resulting Numbers: [5742] 5742,98 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 58+99=157, Resulting Numbers: [157] 157,98 unequal: No Solution No 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: 98:[3, 38], Operations: ['22+74=96', '96-58=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,98 unequal: No Solution No 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: 98:[96, 61], Operations: ['22+74=96', '3+58=61'] Exploring Operation: 96-61=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 96+61=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 96*61=5856, Resulting Numbers: [5856] 5856,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[3, 58, 52], Operations: ['74-22=52'] Exploring Operation: 58-3=55, Resulting Numbers: [52, 55] Generated Node #0,2,0: 98:[52, 55] Operation: 58-3=55 Exploring Operation: 52-3=49, Resulting Numbers: [58, 49] Generated Node #0,2,1: 98:[58, 49] Operation: 52-3=49 Exploring Operation: 58-52=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 98:[3, 6] Operation: 58-52=6 Exploring Operation: 58+52=110, Resulting Numbers: [3, 110] Generated Node #0,2,3: 98:[3, 110] Operation: 58+52=110 Moving to Node #0,2,2 Current State: 98:[3, 6], Operations: ['74-22=52', '58-52=6'] Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[58, 49], Operations: ['74-22=52', '52-3=49'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 58+49=107, Resulting Numbers: [107] 107,98 unequal: No Solution Exploring Operation: 58*49=2842, Resulting Numbers: [2842] 2842,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[52, 55], Operations: ['74-22=52', '58-3=55'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 52+55=107, Resulting Numbers: [107] 107,98 unequal: No Solution Exploring Operation: 52*55=2860, Resulting Numbers: [2860] 2860,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[3, 110], Operations: ['74-22=52', '58+52=110'] Exploring Operation: 3*110=330, Resulting Numbers: [330] 330,98 unequal: No Solution Exploring Operation: 3+110=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 110-3=107, Resulting Numbers: [107] 107,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[58, 74, 19], Operations: ['22-3=19'] Exploring Operation: 74-19=55, Resulting Numbers: [58, 55] Generated Node #0,3,0: 98:[58, 55] Operation: 74-19=55 Exploring Operation: 58-19=39, Resulting Numbers: [74, 39] Generated Node #0,3,1: 98:[74, 39] Operation: 58-19=39 Exploring Operation: 74+19=93, Resulting Numbers: [58, 93] Generated Node #0,3,2: 98:[58, 93] Operation: 74+19=93 Exploring Operation: 74-58=16, Resulting Numbers: [19, 16] Generated Node #0,3,3: 98:[19, 16] Operation: 74-58=16 Moving to Node #0,3,3 Current State: 98:[19, 16], Operations: ['22-3=19', '74-58=16'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 19*16=304, Resulting Numbers: [304] 304,98 unequal: No Solution Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[58, 93], Operations: ['22-3=19', '74+19=93'] Exploring Operation: 58+93=151, Resulting Numbers: [151] 151,98 unequal: No Solution Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 58*93=5394, Resulting Numbers: [5394] 5394,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[58, 55], Operations: ['22-3=19', '74-19=55'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,98 unequal: No Solution Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[74, 39], Operations: ['22-3=19', '58-19=39'] Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 74+39=113, Resulting Numbers: [113] 113,98 unequal: No Solution Exploring Operation: 74*39=2886, Resulting Numbers: [2886] 2886,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 75, 13, 69, 73 ]
80
[ "75-13=62", "69+73=142", "142-62=80" ]
Current State: 80:[75, 13, 69, 73], Operations: [] Exploring Operation: 75-13=62, Resulting Numbers: [69, 73, 62] Generated Node #2: [69, 73, 62] from Operation: 75-13=62 Current State: 80:[69, 73, 62], Operations: ['75-13=62'] Exploring Operation: 69+73=142, Resulting Numbers: [62, 142] Generated Node #3: [62, 142] from Operation: 69+73=142 Current State: 80:[62, 142], Operations: ['75-13=62', '69+73=142'] Exploring Operation: 142-62=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[75, 13, 69, 73], Operations: [] Exploring Operation: 75-73=2, Resulting Numbers: [13, 69, 2] Generated Node #0,0: 80:[13, 69, 2] Operation: 75-73=2 Exploring Operation: 73-69=4, Resulting Numbers: [75, 13, 4] Generated Node #0,1: 80:[75, 13, 4] Operation: 73-69=4 Exploring Operation: 13+69=82, Resulting Numbers: [75, 73, 82] Generated Node #0,2: 80:[75, 73, 82] Operation: 13+69=82 Exploring Operation: 75-69=6, Resulting Numbers: [13, 73, 6] Generated Node #0,3: 80:[13, 73, 6] Operation: 75-69=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[75, 13, 4], Operations: ['73-69=4'] Exploring Operation: 75+4=79, Resulting Numbers: [13, 79] Generated Node #0,1,0: 80:[13, 79] Operation: 75+4=79 Exploring Operation: 75+13=88, Resulting Numbers: [4, 88] Generated Node #0,1,1: 80:[4, 88] Operation: 75+13=88 Exploring Operation: 13-4=9, Resulting Numbers: [75, 9] Generated Node #0,1,2: 80:[75, 9] Operation: 13-4=9 Exploring Operation: 13+4=17, Resulting Numbers: [75, 17] Generated Node #0,1,3: 80:[75, 17] Operation: 13+4=17 Moving to Node #0,1,0 Current State: 80:[13, 79], Operations: ['73-69=4', '75+4=79'] Exploring Operation: 13+79=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 13*79=1027, Resulting Numbers: [1027] 1027,80 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[75, 17], Operations: ['73-69=4', '13+4=17'] Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[75, 9], Operations: ['73-69=4', '13-4=9'] Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,80 unequal: No Solution Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[4, 88], Operations: ['73-69=4', '75+13=88'] Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,80 unequal: No Solution Exploring Operation: 4+88=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 4*88=352, Resulting Numbers: [352] 352,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[13, 73, 6], Operations: ['75-69=6'] Exploring Operation: 13+73=86, Resulting Numbers: [6, 86] Generated Node #0,3,0: 80:[6, 86] Operation: 13+73=86 Exploring Operation: 13+6=19, Resulting Numbers: [73, 19] Generated Node #0,3,1: 80:[73, 19] Operation: 13+6=19 Exploring Operation: 73+6=79, Resulting Numbers: [13, 79] Generated Node #0,3,2: 80:[13, 79] Operation: 73+6=79 Exploring Operation: 13-6=7, Resulting Numbers: [73, 7] Generated Node #0,3,3: 80:[73, 7] Operation: 13-6=7 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 80:[13, 79], Operations: ['75-69=6', '73+6=79'] Exploring Operation: 13*79=1027, Resulting Numbers: [1027] 1027,80 unequal: No Solution Exploring Operation: 13+79=92, Resulting Numbers: [92] 92,80 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,80 unequal: No Solution No 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: 80:[6, 86], Operations: ['75-69=6', '13+73=86'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[75, 13, 69, 73], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [13, 73, 6] Generated Node #0,3: 80:[13, 73, 6] Operation: 75-69=6 Moving to Node #0,3 Current State: 80:[13, 73, 6], Operations: ['75-69=6'] Exploring Operation: 13+73=86, Resulting Numbers: [6, 86] Generated Node #0,3,0: 80:[6, 86] Operation: 13+73=86 Moving to Node #0,3,0 Current State: 80:[6, 86], Operations: ['75-69=6', '13+73=86'] Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 9, 49, 5, 57 ]
67
[ "57-49=8", "9*8=72", "72-5=67" ]
Current State: 67:[9, 49, 5, 57], Operations: [] Exploring Operation: 57-49=8, Resulting Numbers: [9, 5, 8] Generated Node #2: [9, 5, 8] from Operation: 57-49=8 Current State: 67:[9, 5, 8], Operations: ['57-49=8'] Exploring Operation: 9*8=72, Resulting Numbers: [5, 72] Generated Node #3: [5, 72] from Operation: 9*8=72 Current State: 67:[5, 72], Operations: ['57-49=8', '9*8=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[9, 49, 5, 57], Operations: [] Exploring Operation: 9+49=58, Resulting Numbers: [5, 57, 58] Generated Node #0,0: 67:[5, 57, 58] Operation: 9+49=58 Exploring Operation: 9*5=45, Resulting Numbers: [49, 57, 45] Generated Node #0,1: 67:[49, 57, 45] Operation: 9*5=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[49, 57, 45], Operations: ['9*5=45'] Exploring Operation: 57+45=102, Resulting Numbers: [49, 102] Generated Node #0,1,0: 67:[49, 102] Operation: 57+45=102 Exploring Operation: 49+45=94, Resulting Numbers: [57, 94] Generated Node #0,1,1: 67:[57, 94] Operation: 49+45=94 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[57, 94], Operations: ['9*5=45', '49+45=94'] Exploring Operation: 57+94=151, Resulting Numbers: [151] 151,67 unequal: No Solution Exploring Operation: 94-57=37, Resulting Numbers: [37] 37,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[49, 102], Operations: ['9*5=45', '57+45=102'] Exploring Operation: 102-49=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 49+102=151, Resulting Numbers: [151] 151,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[5, 57, 58], Operations: ['9+49=58'] Exploring Operation: 5+57=62, Resulting Numbers: [58, 62] Generated Node #0,0,0: 67:[58, 62] Operation: 5+57=62 Exploring Operation: 5+58=63, Resulting Numbers: [57, 63] Generated Node #0,0,1: 67:[57, 63] Operation: 5+58=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[58, 62], Operations: ['9+49=58', '5+57=62'] Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 58+62=120, Resulting Numbers: [120] 120,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[57, 63], Operations: ['9+49=58', '5+58=63'] Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 4, 83, 31, 71 ]
93
[ "83-71=12", "12/4=3", "31*3=93" ]
Current State: 93:[4, 83, 31, 71], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [4, 31, 12] Generated Node #2: [4, 31, 12] from Operation: 83-71=12 Current State: 93:[4, 31, 12], Operations: ['83-71=12'] Exploring Operation: 12/4=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 12/4=3 Current State: 93:[31, 3], Operations: ['83-71=12', '12/4=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[4, 83, 31, 71], Operations: [] Exploring Operation: 31+71=102, Resulting Numbers: [4, 83, 102] Generated Node #0,0: 93:[4, 83, 102] Operation: 31+71=102 Exploring Operation: 83-71=12, Resulting Numbers: [4, 31, 12] Generated Node #0,1: 93:[4, 31, 12] Operation: 83-71=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[4, 31, 12], Operations: ['83-71=12'] Exploring Operation: 12-4=8, Resulting Numbers: [31, 8] Generated Node #0,1,0: 93:[31, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [31, 3] Generated Node #0,1,1: 93:[31, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[31, 3], Operations: ['83-71=12', '12/4=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[4, 83, 31, 71], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [4, 31, 12] Generated Node #0,1: 93:[4, 31, 12] Operation: 83-71=12 Moving to Node #0,1 Current State: 93:[4, 31, 12], Operations: ['83-71=12'] Exploring Operation: 12/4=3, Resulting Numbers: [31, 3] Generated Node #0,1,1: 93:[31, 3] Operation: 12/4=3 Moving to Node #0,1,1 Current State: 93:[31, 3], Operations: ['83-71=12', '12/4=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 99, 46, 53, 71 ]
70
[ "99-46=53", "53/53=1", "71-1=70" ]
Current State: 70:[99, 46, 53, 71], Operations: [] Exploring Operation: 99-46=53, Resulting Numbers: [53, 71, 53] Generated Node #2: [53, 71, 53] from Operation: 99-46=53 Current State: 70:[53, 71, 53], Operations: ['99-46=53'] Exploring Operation: 53/53=1, Resulting Numbers: [71, 1] Generated Node #3: [71, 1] from Operation: 53/53=1 Current State: 70:[71, 1], Operations: ['99-46=53', '53/53=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[99, 46, 53, 71], Operations: [] Exploring Operation: 99-71=28, Resulting Numbers: [46, 53, 28] Generated Node #0,0: 70:[46, 53, 28] Operation: 99-71=28 Exploring Operation: 99-46=53, Resulting Numbers: [53, 71, 53] Generated Node #0,1: 70:[53, 71, 53] Operation: 99-46=53 Exploring Operation: 53-46=7, Resulting Numbers: [99, 71, 7] Generated Node #0,2: 70:[99, 71, 7] Operation: 53-46=7 Exploring Operation: 99-53=46, Resulting Numbers: [46, 71, 46] Generated Node #0,3: 70:[46, 71, 46] Operation: 99-53=46 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[46, 71, 46], Operations: ['99-53=46'] Exploring Operation: 46-46=0, Resulting Numbers: [71, 0] Generated Node #0,3,0: 70:[71, 0] Operation: 46-46=0 Exploring Operation: 71-46=25, Resulting Numbers: [46, 25] Generated Node #0,3,1: 70:[46, 25] Operation: 71-46=25 Exploring Operation: 46/46=1, Resulting Numbers: [71, 1] Generated Node #0,3,2: 70:[71, 1] Operation: 46/46=1 Exploring Operation: 71-46=25, Resulting Numbers: [46, 25] Generated Node #0,3,3: 70:[46, 25] Operation: 71-46=25 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[71, 1], Operations: ['99-53=46', '46/46=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[99, 46, 53, 71], Operations: [] Exploring Operation: 99-53=46, Resulting Numbers: [46, 71, 46] Generated Node #0,3: 70:[46, 71, 46] Operation: 99-53=46 Moving to Node #0,3 Current State: 70:[46, 71, 46], Operations: ['99-53=46'] Exploring Operation: 46/46=1, Resulting Numbers: [71, 1] Generated Node #0,3,2: 70:[71, 1] Operation: 46/46=1 Moving to Node #0,3,2 Current State: 70:[71, 1], Operations: ['99-53=46', '46/46=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 40, 80, 10, 52 ]
20
[ "52-40=12", "80/10=8", "12+8=20" ]
Current State: 20:[40, 80, 10, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [80, 10, 12] Generated Node #2: [80, 10, 12] from Operation: 52-40=12 Current State: 20:[80, 10, 12], Operations: ['52-40=12'] Exploring Operation: 80/10=8, Resulting Numbers: [12, 8] Generated Node #3: [12, 8] from Operation: 80/10=8 Current State: 20:[12, 8], Operations: ['52-40=12', '80/10=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[40, 80, 10, 52], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [40, 10, 28] Generated Node #0,0: 20:[40, 10, 28] Operation: 80-52=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[40, 10, 28], Operations: ['80-52=28'] Exploring Operation: 40-28=12, Resulting Numbers: [10, 12] Generated Node #0,0,0: 20:[10, 12] Operation: 40-28=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[10, 12], Operations: ['80-52=28', '40-28=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 5, 36, 35, 25 ]
20
[ "25-5=20", "36-35=1", "20*1=20" ]
Current State: 20:[5, 36, 35, 25], Operations: [] Exploring Operation: 25-5=20, Resulting Numbers: [36, 35, 20] Generated Node #2: [36, 35, 20] from Operation: 25-5=20 Current State: 20:[36, 35, 20], Operations: ['25-5=20'] Exploring Operation: 36-35=1, Resulting Numbers: [20, 1] Generated Node #3: [20, 1] from Operation: 36-35=1 Current State: 20:[20, 1], Operations: ['25-5=20', '36-35=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[5, 36, 35, 25], Operations: [] Exploring Operation: 35/5=7, Resulting Numbers: [36, 25, 7] Generated Node #0,0: 20:[36, 25, 7] Operation: 35/5=7 Exploring Operation: 36-25=11, Resulting Numbers: [5, 35, 11] Generated Node #0,1: 20:[5, 35, 11] Operation: 36-25=11 Exploring Operation: 36-35=1, Resulting Numbers: [5, 25, 1] Generated Node #0,2: 20:[5, 25, 1] Operation: 36-35=1 Exploring Operation: 35-25=10, Resulting Numbers: [5, 36, 10] Generated Node #0,3: 20:[5, 36, 10] Operation: 35-25=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[5, 25, 1], Operations: ['36-35=1'] Exploring Operation: 5*1=5, Resulting Numbers: [25, 5] Generated Node #0,2,0: 20:[25, 5] Operation: 5*1=5 Exploring Operation: 25-1=24, Resulting Numbers: [5, 24] Generated Node #0,2,1: 20:[5, 24] Operation: 25-1=24 Exploring Operation: 25-5=20, Resulting Numbers: [1, 20] Generated Node #0,2,2: 20:[1, 20] Operation: 25-5=20 Exploring Operation: 25/5=5, Resulting Numbers: [1, 5] Generated Node #0,2,3: 20:[1, 5] Operation: 25/5=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[1, 20], Operations: ['36-35=1', '25-5=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[5, 36, 35, 25], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [5, 25, 1] Generated Node #0,2: 20:[5, 25, 1] Operation: 36-35=1 Moving to Node #0,2 Current State: 20:[5, 25, 1], Operations: ['36-35=1'] Exploring Operation: 25-5=20, Resulting Numbers: [1, 20] Generated Node #0,2,2: 20:[1, 20] Operation: 25-5=20 Moving to Node #0,2,2 Current State: 20:[1, 20], Operations: ['36-35=1', '25-5=20'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 17, 14, 61, 42 ]
81
[ "17+61=78", "42/14=3", "78+3=81" ]
Current State: 81:[17, 14, 61, 42], Operations: [] Exploring Operation: 17+61=78, Resulting Numbers: [14, 42, 78] Generated Node #2: [14, 42, 78] from Operation: 17+61=78 Current State: 81:[14, 42, 78], Operations: ['17+61=78'] Exploring Operation: 42/14=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 42/14=3 Current State: 81:[78, 3], Operations: ['17+61=78', '42/14=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[17, 14, 61, 42], Operations: [] Exploring Operation: 14+61=75, Resulting Numbers: [17, 42, 75] Generated Node #0,0: 81:[17, 42, 75] Operation: 14+61=75 Exploring Operation: 61-42=19, Resulting Numbers: [17, 14, 19] Generated Node #0,1: 81:[17, 14, 19] Operation: 61-42=19 Exploring Operation: 42-17=25, Resulting Numbers: [14, 61, 25] Generated Node #0,2: 81:[14, 61, 25] Operation: 42-17=25 Exploring Operation: 17+61=78, Resulting Numbers: [14, 42, 78] Generated Node #0,3: 81:[14, 42, 78] Operation: 17+61=78 Exploring Operation: 42/14=3, Resulting Numbers: [17, 61, 3] Generated Node #0,4: 81:[17, 61, 3] Operation: 42/14=3 Moving to Node #0,1 Current State: 81:[17, 14, 19], Operations: ['61-42=19'] Exploring Operation: 17+14=31, Resulting Numbers: [19, 31] Generated Node #0,1,0: 81:[19, 31] Operation: 17+14=31 Exploring Operation: 17+19=36, Resulting Numbers: [14, 36] Generated Node #0,1,1: 81:[14, 36] Operation: 17+19=36 Exploring Operation: 19-14=5, Resulting Numbers: [17, 5] Generated Node #0,1,2: 81:[17, 5] Operation: 19-14=5 Exploring Operation: 17-14=3, Resulting Numbers: [19, 3] Generated Node #0,1,3: 81:[19, 3] Operation: 17-14=3 Exploring Operation: 19-17=2, Resulting Numbers: [14, 2] Generated Node #0,1,4: 81:[14, 2] Operation: 19-17=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 81:[14, 2], Operations: ['61-42=19', '19-17=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 81:[19, 3], Operations: ['61-42=19', '17-14=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,81 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[17, 5], Operations: ['61-42=19', '19-14=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[19, 31], Operations: ['61-42=19', '17+14=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,81 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[14, 36], Operations: ['61-42=19', '17+19=36'] Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,81 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,81 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: 81:[14, 42, 78], Operations: ['17+61=78'] Exploring Operation: 78-42=36, Resulting Numbers: [14, 36] Generated Node #0,3,0: 81:[14, 36] Operation: 78-42=36 Exploring Operation: 14+42=56, Resulting Numbers: [78, 56] Generated Node #0,3,1: 81:[78, 56] Operation: 14+42=56 Exploring Operation: 42-14=28, Resulting Numbers: [78, 28] Generated Node #0,3,2: 81:[78, 28] Operation: 42-14=28 Exploring Operation: 42/14=3, Resulting Numbers: [78, 3] Generated Node #0,3,3: 81:[78, 3] Operation: 42/14=3 Exploring Operation: 14+78=92, Resulting Numbers: [42, 92] Generated Node #0,3,4: 81:[42, 92] Operation: 14+78=92 Moving to Node #0,2 Current State: 81:[14, 61, 25], Operations: ['42-17=25'] Exploring Operation: 25-14=11, Resulting Numbers: [61, 11] Generated Node #0,2,0: 81:[61, 11] Operation: 25-14=11 Exploring Operation: 61-14=47, Resulting Numbers: [25, 47] Generated Node #0,2,1: 81:[25, 47] Operation: 61-14=47 Exploring Operation: 61+25=86, Resulting Numbers: [14, 86] Generated Node #0,2,2: 81:[14, 86] Operation: 61+25=86 Exploring Operation: 14+61=75, Resulting Numbers: [25, 75] Generated Node #0,2,3: 81:[25, 75] Operation: 14+61=75 Exploring Operation: 61-25=36, Resulting Numbers: [14, 36] Generated Node #0,2,4: 81:[14, 36] Operation: 61-25=36 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[25, 75], Operations: ['42-17=25', '14+61=75'] Exploring Operation: 75-25=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 25*75=1875, Resulting Numbers: [1875] 1875,81 unequal: No Solution Exploring Operation: 25+75=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 75/25=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[14, 86], Operations: ['42-17=25', '61+25=86'] Exploring Operation: 14*86=1204, Resulting Numbers: [1204] 1204,81 unequal: No Solution Exploring Operation: 14+86=100, Resulting Numbers: [100] 100,81 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 81:[14, 36], Operations: ['42-17=25', '61-25=36'] Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,81 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,81 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[61, 11], Operations: ['42-17=25', '25-14=11'] Exploring Operation: 61+11=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 61*11=671, Resulting Numbers: [671] 671,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[25, 47], Operations: ['42-17=25', '61-14=47'] Exploring Operation: 25*47=1175, Resulting Numbers: [1175] 1175,81 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,81 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: 81:[17, 61, 3], Operations: ['42/14=3'] Exploring Operation: 61-17=44, Resulting Numbers: [3, 44] Generated Node #0,4,0: 81:[3, 44] Operation: 61-17=44 Exploring Operation: 17+61=78, Resulting Numbers: [3, 78] Generated Node #0,4,1: 81:[3, 78] Operation: 17+61=78 Exploring Operation: 17+3=20, Resulting Numbers: [61, 20] Generated Node #0,4,2: 81:[61, 20] Operation: 17+3=20 Exploring Operation: 61+3=64, Resulting Numbers: [17, 64] Generated Node #0,4,3: 81:[17, 64] Operation: 61+3=64 Exploring Operation: 17-3=14, Resulting Numbers: [61, 14] Generated Node #0,4,4: 81:[61, 14] Operation: 17-3=14 Moving to Node #0,0 Current State: 81:[17, 42, 75], Operations: ['14+61=75'] Exploring Operation: 42-17=25, Resulting Numbers: [75, 25] Generated Node #0,0,0: 81:[75, 25] Operation: 42-17=25 Exploring Operation: 17+75=92, Resulting Numbers: [42, 92] Generated Node #0,0,1: 81:[42, 92] Operation: 17+75=92 Exploring Operation: 75-42=33, Resulting Numbers: [17, 33] Generated Node #0,0,2: 81:[17, 33] Operation: 75-42=33 Exploring Operation: 75-17=58, Resulting Numbers: [42, 58] Generated Node #0,0,3: 81:[42, 58] Operation: 75-17=58 Exploring Operation: 17+42=59, Resulting Numbers: [75, 59] Generated Node #0,0,4: 81:[75, 59] Operation: 17+42=59 Moving to Node #0,3,3 Current State: 81:[78, 3], Operations: ['17+61=78', '42/14=3'] Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,81 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[17, 14, 61, 42], Operations: [] Exploring Operation: 17+61=78, Resulting Numbers: [14, 42, 78] Generated Node #0,3: 81:[14, 42, 78] Operation: 17+61=78 Moving to Node #0,3 Current State: 81:[14, 42, 78], Operations: ['17+61=78'] Exploring Operation: 42/14=3, Resulting Numbers: [78, 3] Generated Node #0,3,3: 81:[78, 3] Operation: 42/14=3 Moving to Node #0,3,3 Current State: 81:[78, 3], Operations: ['17+61=78', '42/14=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.940972
hs_5
sum_heuristic
[ 13, 50, 77, 52 ]
92
[ "50-13=37", "77+52=129", "129-37=92" ]
Current State: 92:[13, 50, 77, 52], Operations: [] Exploring Operation: 50-13=37, Resulting Numbers: [77, 52, 37] Generated Node #2: [77, 52, 37] from Operation: 50-13=37 Current State: 92:[77, 52, 37], Operations: ['50-13=37'] Exploring Operation: 77+52=129, Resulting Numbers: [37, 129] Generated Node #3: [37, 129] from Operation: 77+52=129 Current State: 92:[37, 129], Operations: ['50-13=37', '77+52=129'] Exploring Operation: 129-37=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[13, 50, 77, 52], Operations: [] Exploring Operation: 13+77=90, Resulting Numbers: [50, 52, 90] Generated Node #0,0: 92:[50, 52, 90] Operation: 13+77=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[50, 52, 90], Operations: ['13+77=90'] Exploring Operation: 52-50=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 92:[90, 2] Operation: 52-50=2 Moving to Node #0,0,0 Current State: 92:[90, 2], Operations: ['13+77=90', '52-50=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[13, 50, 77, 52], Operations: [] Exploring Operation: 13+77=90, Resulting Numbers: [50, 52, 90] Generated Node #0,0: 92:[50, 52, 90] Operation: 13+77=90 Moving to Node #0,0 Current State: 92:[50, 52, 90], Operations: ['13+77=90'] Exploring Operation: 52-50=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 92:[90, 2] Operation: 52-50=2 Moving to Node #0,0,0 Current State: 92:[90, 2], Operations: ['13+77=90', '52-50=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 40, 31, 72 ]
23
[ "30*72=2160", "2160/40=54", "54-31=23" ]
Current State: 23:[30, 40, 31, 72], Operations: [] Exploring Operation: 30*72=2160, Resulting Numbers: [40, 31, 2160] Generated Node #2: [40, 31, 2160] from Operation: 30*72=2160 Current State: 23:[40, 31, 2160], Operations: ['30*72=2160'] Exploring Operation: 2160/40=54, Resulting Numbers: [31, 54] Generated Node #3: [31, 54] from Operation: 2160/40=54 Current State: 23:[31, 54], Operations: ['30*72=2160', '2160/40=54'] Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[30, 40, 31, 72], Operations: [] Exploring Operation: 72-31=41, Resulting Numbers: [30, 40, 41] Generated Node #0,0: 23:[30, 40, 41] Operation: 72-31=41 Exploring Operation: 72-30=42, Resulting Numbers: [40, 31, 42] Generated Node #0,1: 23:[40, 31, 42] Operation: 72-30=42 Exploring Operation: 40-30=10, Resulting Numbers: [31, 72, 10] Generated Node #0,2: 23:[31, 72, 10] Operation: 40-30=10 Exploring Operation: 72-40=32, Resulting Numbers: [30, 31, 32] Generated Node #0,3: 23:[30, 31, 32] Operation: 72-40=32 Moving to Node #0,3 Current State: 23:[30, 31, 32], Operations: ['72-40=32'] Exploring Operation: 30+31=61, Resulting Numbers: [32, 61] Generated Node #0,3,0: 23:[32, 61] Operation: 30+31=61 Exploring Operation: 32-30=2, Resulting Numbers: [31, 2] Generated Node #0,3,1: 23:[31, 2] Operation: 32-30=2 Exploring Operation: 32-31=1, Resulting Numbers: [30, 1] Generated Node #0,3,2: 23:[30, 1] Operation: 32-31=1 Exploring Operation: 31-30=1, Resulting Numbers: [32, 1] Generated Node #0,3,3: 23:[32, 1] Operation: 31-30=1 Moving to Node #0,0 Current State: 23:[30, 40, 41], Operations: ['72-31=41'] Exploring Operation: 41-40=1, Resulting Numbers: [30, 1] Generated Node #0,0,0: 23:[30, 1] Operation: 41-40=1 Exploring Operation: 40-30=10, Resulting Numbers: [41, 10] Generated Node #0,0,1: 23:[41, 10] Operation: 40-30=10 Exploring Operation: 30+40=70, Resulting Numbers: [41, 70] Generated Node #0,0,2: 23:[41, 70] Operation: 30+40=70 Exploring Operation: 41-30=11, Resulting Numbers: [40, 11] Generated Node #0,0,3: 23:[40, 11] Operation: 41-30=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[30, 1], Operations: ['72-31=41', '41-40=1'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,23 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 #0,0,3 Current State: 23:[40, 11], Operations: ['72-31=41', '41-30=11'] Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,23 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,23 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 #0,0,1 Current State: 23:[41, 10], Operations: ['72-31=41', '40-30=10'] Exploring Operation: 41*10=410, Resulting Numbers: [410] 410,23 unequal: No Solution Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,23 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 #0,0,2 Current State: 23:[41, 70], Operations: ['72-31=41', '30+40=70'] Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,23 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,23 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,23 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: 23:[40, 31, 42], Operations: ['72-30=42'] Exploring Operation: 42-31=11, Resulting Numbers: [40, 11] Generated Node #0,1,0: 23:[40, 11] Operation: 42-31=11 Exploring Operation: 42-40=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 23:[31, 2] Operation: 42-40=2 Exploring Operation: 40+31=71, Resulting Numbers: [42, 71] Generated Node #0,1,2: 23:[42, 71] Operation: 40+31=71 Exploring Operation: 40-31=9, Resulting Numbers: [42, 9] Generated Node #0,1,3: 23:[42, 9] Operation: 40-31=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[40, 11], Operations: ['72-30=42', '42-31=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,23 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,23 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:[31, 2], Operations: ['72-30=42', '42-40=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,23 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,23 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 #0,1,3 Current State: 23:[42, 9], Operations: ['72-30=42', '40-31=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,23 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,23 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:[42, 71], Operations: ['72-30=42', '40+31=71'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 42+71=113, Resulting Numbers: [113] 113,23 unequal: No Solution Exploring Operation: 42*71=2982, Resulting Numbers: [2982] 2982,23 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: 23:[31, 72, 10], Operations: ['40-30=10'] Exploring Operation: 72-10=62, Resulting Numbers: [31, 62] Generated Node #0,2,0: 23:[31, 62] Operation: 72-10=62 Exploring Operation: 72-31=41, Resulting Numbers: [10, 41] Generated Node #0,2,1: 23:[10, 41] Operation: 72-31=41 Exploring Operation: 31+10=41, Resulting Numbers: [72, 41] Generated Node #0,2,2: 23:[72, 41] Operation: 31+10=41 Exploring Operation: 31-10=21, Resulting Numbers: [72, 21] Generated Node #0,2,3: 23:[72, 21] Operation: 31-10=21 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[10, 41], Operations: ['40-30=10', '72-31=41'] Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,23 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,23 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 #0,2,0 Current State: 23:[31, 62], Operations: ['40-30=10', '72-10=62'] Exploring Operation: 31*62=1922, Resulting Numbers: [1922] 1922,23 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 31+62=93, Resulting Numbers: [93] 93,23 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 #0,2,3 Current State: 23:[72, 21], Operations: ['40-30=10', '31-10=21'] Exploring Operation: 72*21=1512, Resulting Numbers: [1512] 1512,23 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,23 unequal: No Solution Exploring Operation: 72+21=93, Resulting Numbers: [93] 93,23 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 #0,2,2 Current State: 23:[72, 41], Operations: ['40-30=10', '31+10=41'] Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,23 unequal: No Solution Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 23:[31, 2], Operations: ['72-40=32', '32-30=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,23 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,23 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[30, 1], Operations: ['72-40=32', '32-31=1'] Exploring Operation: 30*1=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,23 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[32, 1], Operations: ['72-40=32', '31-30=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[32, 61], Operations: ['72-40=32', '30+31=61'] Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,23 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,23 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 19, 75, 62, 76 ]
17
[ "76/19=4", "75-62=13", "4+13=17" ]
Current State: 17:[19, 75, 62, 76], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [75, 62, 4] Generated Node #2: [75, 62, 4] from Operation: 76/19=4 Current State: 17:[75, 62, 4], Operations: ['76/19=4'] Exploring Operation: 75-62=13, Resulting Numbers: [4, 13] Generated Node #3: [4, 13] from Operation: 75-62=13 Current State: 17:[4, 13], Operations: ['76/19=4', '75-62=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[19, 75, 62, 76], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [19, 62, 1] Generated Node #0,0: 17:[19, 62, 1] Operation: 76-75=1 Exploring Operation: 76-62=14, Resulting Numbers: [19, 75, 14] Generated Node #0,1: 17:[19, 75, 14] Operation: 76-62=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[19, 62, 1], Operations: ['76-75=1'] Exploring Operation: 62-19=43, Resulting Numbers: [1, 43] Generated Node #0,0,0: 17:[1, 43] Operation: 62-19=43 Exploring Operation: 19-1=18, Resulting Numbers: [62, 18] Generated Node #0,0,1: 17:[62, 18] Operation: 19-1=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[1, 43], Operations: ['76-75=1', '62-19=43'] Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[62, 18], Operations: ['76-75=1', '19-1=18'] Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[19, 75, 14], Operations: ['76-62=14'] Exploring Operation: 75-19=56, Resulting Numbers: [14, 56] Generated Node #0,1,0: 17:[14, 56] Operation: 75-19=56 Exploring Operation: 75-14=61, Resulting Numbers: [19, 61] Generated Node #0,1,1: 17:[19, 61] Operation: 75-14=61 Moving to Node #0,1,0 Current State: 17:[14, 56], Operations: ['76-62=14', '75-19=56'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[19, 61], Operations: ['76-62=14', '75-14=61'] Exploring Operation: 19+61=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,17 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
[ 60, 53, 30, 44 ]
10
[ "60+30=90", "53-44=9", "90/9=10" ]
Current State: 10:[60, 53, 30, 44], Operations: [] Exploring Operation: 60+30=90, Resulting Numbers: [53, 44, 90] Generated Node #2: [53, 44, 90] from Operation: 60+30=90 Current State: 10:[53, 44, 90], Operations: ['60+30=90'] Exploring Operation: 53-44=9, Resulting Numbers: [90, 9] Generated Node #3: [90, 9] from Operation: 53-44=9 Current State: 10:[90, 9], Operations: ['60+30=90', '53-44=9'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[60, 53, 30, 44], Operations: [] Exploring Operation: 53-44=9, Resulting Numbers: [60, 30, 9] Generated Node #0,0: 10:[60, 30, 9] Operation: 53-44=9 Exploring Operation: 60-53=7, Resulting Numbers: [30, 44, 7] Generated Node #0,1: 10:[30, 44, 7] Operation: 60-53=7 Exploring Operation: 60/30=2, Resulting Numbers: [53, 44, 2] Generated Node #0,2: 10:[53, 44, 2] Operation: 60/30=2 Exploring Operation: 60-44=16, Resulting Numbers: [53, 30, 16] Generated Node #0,3: 10:[53, 30, 16] Operation: 60-44=16 Moving to Node #0,1 Current State: 10:[30, 44, 7], Operations: ['60-53=7'] Exploring Operation: 30-7=23, Resulting Numbers: [44, 23] Generated Node #0,1,0: 10:[44, 23] Operation: 30-7=23 Exploring Operation: 44-7=37, Resulting Numbers: [30, 37] Generated Node #0,1,1: 10:[30, 37] Operation: 44-7=37 Exploring Operation: 30+7=37, Resulting Numbers: [44, 37] Generated Node #0,1,2: 10:[44, 37] Operation: 30+7=37 Exploring Operation: 44-30=14, Resulting Numbers: [7, 14] Generated Node #0,1,3: 10:[7, 14] Operation: 44-30=14 Moving to Node #0,3 Current State: 10:[53, 30, 16], Operations: ['60-44=16'] Exploring Operation: 30-16=14, Resulting Numbers: [53, 14] Generated Node #0,3,0: 10:[53, 14] Operation: 30-16=14 Exploring Operation: 53-30=23, Resulting Numbers: [16, 23] Generated Node #0,3,1: 10:[16, 23] Operation: 53-30=23 Exploring Operation: 53-16=37, Resulting Numbers: [30, 37] Generated Node #0,3,2: 10:[30, 37] Operation: 53-16=37 Exploring Operation: 53+30=83, Resulting Numbers: [16, 83] Generated Node #0,3,3: 10:[16, 83] Operation: 53+30=83 Moving to Node #0,0 Current State: 10:[60, 30, 9], Operations: ['53-44=9'] Exploring Operation: 60-30=30, Resulting Numbers: [9, 30] Generated Node #0,0,0: 10:[9, 30] Operation: 60-30=30 Exploring Operation: 60-9=51, Resulting Numbers: [30, 51] Generated Node #0,0,1: 10:[30, 51] Operation: 60-9=51 Exploring Operation: 60/30=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 10:[9, 2] Operation: 60/30=2 Exploring Operation: 30-9=21, Resulting Numbers: [60, 21] Generated Node #0,0,3: 10:[60, 21] Operation: 30-9=21 Moving to Node #0,2 Current State: 10:[53, 44, 2], Operations: ['60/30=2'] Exploring Operation: 44-2=42, Resulting Numbers: [53, 42] Generated Node #0,2,0: 10:[53, 42] Operation: 44-2=42 Exploring Operation: 44/2=22, Resulting Numbers: [53, 22] Generated Node #0,2,1: 10:[53, 22] Operation: 44/2=22 Exploring Operation: 53-44=9, Resulting Numbers: [2, 9] Generated Node #0,2,2: 10:[2, 9] Operation: 53-44=9 Exploring Operation: 53-2=51, Resulting Numbers: [44, 51] Generated Node #0,2,3: 10:[44, 51] Operation: 53-2=51 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[2, 9], Operations: ['60/30=2', '53-44=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,10 unequal: No Solution No 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: 10:[53, 22], Operations: ['60/30=2', '44/2=22'] Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,10 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,10 unequal: No Solution No 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: 10:[53, 42], Operations: ['60/30=2', '44-2=42'] Exploring Operation: 53*42=2226, Resulting Numbers: [2226] 2226,10 unequal: No Solution Exploring Operation: 53+42=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,10 unequal: No Solution No 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: 10:[44, 51], Operations: ['60/30=2', '53-2=51'] Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,10 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,10 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: 10:[9, 2], Operations: ['53-44=9', '60/30=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[7, 14], Operations: ['60-53=7', '44-30=14'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,10 unequal: No Solution Moving to Node #0,3,1 Current State: 10:[16, 23], Operations: ['60-44=16', '53-30=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,10 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[9, 30], Operations: ['53-44=9', '60-30=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,10 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[30, 37], Operations: ['60-53=7', '44-7=37'] Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,10 unequal: No Solution Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[30, 37], Operations: ['60-44=16', '53-16=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,10 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[53, 14], Operations: ['60-44=16', '30-16=14'] Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,10 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[44, 23], Operations: ['60-53=7', '30-7=23'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,10 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[60, 21], Operations: ['53-44=9', '30-9=21'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[30, 51], Operations: ['53-44=9', '60-9=51'] Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 30*51=1530, Resulting Numbers: [1530] 1530,10 unequal: No Solution Exploring Operation: 30+51=81, Resulting Numbers: [81] 81,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[44, 37], Operations: ['60-53=7', '30+7=37'] Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,10 unequal: No Solution Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[16, 83], Operations: ['60-44=16', '53+30=83'] Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 16*83=1328, Resulting Numbers: [1328] 1328,10 unequal: No Solution Exploring Operation: 16+83=99, Resulting Numbers: [99] 99,10 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 61, 71, 2, 38 ]
66
[ "71-61=10", "2*38=76", "76-10=66" ]
Current State: 66:[61, 71, 2, 38], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [2, 38, 10] Generated Node #2: [2, 38, 10] from Operation: 71-61=10 Current State: 66:[2, 38, 10], Operations: ['71-61=10'] Exploring Operation: 2*38=76, Resulting Numbers: [10, 76] Generated Node #3: [10, 76] from Operation: 2*38=76 Current State: 66:[10, 76], Operations: ['71-61=10', '2*38=76'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[61, 71, 2, 38], Operations: [] Exploring Operation: 71-38=33, Resulting Numbers: [61, 2, 33] Generated Node #0,0: 66:[61, 2, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[61, 2, 33], Operations: ['71-38=33'] Exploring Operation: 61+2=63, Resulting Numbers: [33, 63] Generated Node #0,0,0: 66:[33, 63] Operation: 61+2=63 Moving to Node #0,0,0 Current State: 66:[33, 63], Operations: ['71-38=33', '61+2=63'] Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,66 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
[ 12, 73, 17, 92 ]
14
[ "73-12=61", "92-17=75", "75-61=14" ]
Current State: 14:[12, 73, 17, 92], Operations: [] Exploring Operation: 73-12=61, Resulting Numbers: [17, 92, 61] Generated Node #2: [17, 92, 61] from Operation: 73-12=61 Current State: 14:[17, 92, 61], Operations: ['73-12=61'] Exploring Operation: 92-17=75, Resulting Numbers: [61, 75] Generated Node #3: [61, 75] from Operation: 92-17=75 Current State: 14:[61, 75], Operations: ['73-12=61', '92-17=75'] Exploring Operation: 75-61=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[12, 73, 17, 92], Operations: [] Exploring Operation: 92-73=19, Resulting Numbers: [12, 17, 19] Generated Node #0,0: 14:[12, 17, 19] Operation: 92-73=19 Moving to Node #0,0 Current State: 14:[12, 17, 19], Operations: ['92-73=19'] Exploring Operation: 19-17=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 14:[12, 2] Operation: 19-17=2 Moving to Node #0,0,0 Current State: 14:[12, 2], Operations: ['92-73=19', '19-17=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[12, 73, 17, 92], Operations: [] Exploring Operation: 92-73=19, Resulting Numbers: [12, 17, 19] Generated Node #0,0: 14:[12, 17, 19] Operation: 92-73=19 Moving to Node #0,0 Current State: 14:[12, 17, 19], Operations: ['92-73=19'] Exploring Operation: 19-17=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 14:[12, 2] Operation: 19-17=2 Moving to Node #0,0,0 Current State: 14:[12, 2], Operations: ['92-73=19', '19-17=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 89, 35, 33, 55 ]
32
[ "89-35=54", "55-33=22", "54-22=32" ]
Current State: 32:[89, 35, 33, 55], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [33, 55, 54] Generated Node #2: [33, 55, 54] from Operation: 89-35=54 Current State: 32:[33, 55, 54], Operations: ['89-35=54'] Exploring Operation: 55-33=22, Resulting Numbers: [54, 22] Generated Node #3: [54, 22] from Operation: 55-33=22 Current State: 32:[54, 22], Operations: ['89-35=54', '55-33=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[89, 35, 33, 55], Operations: [] Exploring Operation: 89-33=56, Resulting Numbers: [35, 55, 56] Generated Node #0,0: 32:[35, 55, 56] Operation: 89-33=56 Exploring Operation: 89-55=34, Resulting Numbers: [35, 33, 34] Generated Node #0,1: 32:[35, 33, 34] Operation: 89-55=34 Exploring Operation: 55-33=22, Resulting Numbers: [89, 35, 22] Generated Node #0,2: 32:[89, 35, 22] Operation: 55-33=22 Exploring Operation: 89-35=54, Resulting Numbers: [33, 55, 54] Generated Node #0,3: 32:[33, 55, 54] Operation: 89-35=54 Exploring Operation: 55-35=20, Resulting Numbers: [89, 33, 20] Generated Node #0,4: 32:[89, 33, 20] Operation: 55-35=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[35, 33, 34], Operations: ['89-55=34'] Exploring Operation: 34-33=1, Resulting Numbers: [35, 1] Generated Node #0,1,0: 32:[35, 1] Operation: 34-33=1 Exploring Operation: 35+34=69, Resulting Numbers: [33, 69] Generated Node #0,1,1: 32:[33, 69] Operation: 35+34=69 Exploring Operation: 35-34=1, Resulting Numbers: [33, 1] Generated Node #0,1,2: 32:[33, 1] Operation: 35-34=1 Exploring Operation: 35-33=2, Resulting Numbers: [34, 2] Generated Node #0,1,3: 32:[34, 2] Operation: 35-33=2 Exploring Operation: 35+33=68, Resulting Numbers: [34, 68] Generated Node #0,1,4: 32:[34, 68] Operation: 35+33=68 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[33, 1], Operations: ['89-55=34', '35-34=1'] Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[89, 35, 33, 55], Operations: [] Exploring Operation: 89-55=34, Resulting Numbers: [35, 33, 34] Generated Node #0,1: 32:[35, 33, 34] Operation: 89-55=34 Moving to Node #0,1 Current State: 32:[35, 33, 34], Operations: ['89-55=34'] Exploring Operation: 35-34=1, Resulting Numbers: [33, 1] Generated Node #0,1,2: 32:[33, 1] Operation: 35-34=1 Moving to Node #0,1,2 Current State: 32:[33, 1], Operations: ['89-55=34', '35-34=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 98, 75, 64, 20 ]
89
[ "98+75=173", "64+20=84", "173-84=89" ]
Current State: 89:[98, 75, 64, 20], Operations: [] Exploring Operation: 98+75=173, Resulting Numbers: [64, 20, 173] Generated Node #2: [64, 20, 173] from Operation: 98+75=173 Current State: 89:[64, 20, 173], Operations: ['98+75=173'] Exploring Operation: 64+20=84, Resulting Numbers: [173, 84] Generated Node #3: [173, 84] from Operation: 64+20=84 Current State: 89:[173, 84], Operations: ['98+75=173', '64+20=84'] Exploring Operation: 173-84=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[98, 75, 64, 20], Operations: [] Exploring Operation: 64+20=84, Resulting Numbers: [98, 75, 84] Generated Node #0,0: 89:[98, 75, 84] Operation: 64+20=84 Exploring Operation: 75+20=95, Resulting Numbers: [98, 64, 95] Generated Node #0,1: 89:[98, 64, 95] Operation: 75+20=95 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[98, 75, 84], Operations: ['64+20=84'] Exploring Operation: 98-75=23, Resulting Numbers: [84, 23] Generated Node #0,0,0: 89:[84, 23] Operation: 98-75=23 Exploring Operation: 75+84=159, Resulting Numbers: [98, 159] Generated Node #0,0,1: 89:[98, 159] Operation: 75+84=159 Moving to Node #0,0,0 Current State: 89:[84, 23], Operations: ['64+20=84', '98-75=23'] Exploring Operation: 84+23=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[98, 159], Operations: ['64+20=84', '75+84=159'] Exploring Operation: 159-98=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 98+159=257, Resulting Numbers: [257] 257,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[98, 64, 95], Operations: ['75+20=95'] Exploring Operation: 95-64=31, Resulting Numbers: [98, 31] Generated Node #0,1,0: 89:[98, 31] Operation: 95-64=31 Exploring Operation: 98-64=34, Resulting Numbers: [95, 34] Generated Node #0,1,1: 89:[95, 34] Operation: 98-64=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[95, 34], Operations: ['75+20=95', '98-64=34'] Exploring Operation: 95+34=129, Resulting Numbers: [129] 129,89 unequal: No Solution Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,89 unequal: No Solution No 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: 89:[98, 31], Operations: ['75+20=95', '95-64=31'] Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 98+31=129, Resulting Numbers: [129] 129,89 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
[ 4, 72, 13, 75 ]
25
[ "75-72=3", "4*3=12", "13+12=25" ]
Current State: 25:[4, 72, 13, 75], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [4, 13, 3] Generated Node #2: [4, 13, 3] from Operation: 75-72=3 Current State: 25:[4, 13, 3], Operations: ['75-72=3'] Exploring Operation: 4*3=12, Resulting Numbers: [13, 12] Generated Node #3: [13, 12] from Operation: 4*3=12 Current State: 25:[13, 12], Operations: ['75-72=3', '4*3=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[4, 72, 13, 75], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [4, 13, 3] Generated Node #0,0: 25:[4, 13, 3] Operation: 75-72=3 Moving to Node #0,0 Current State: 25:[4, 13, 3], Operations: ['75-72=3'] Exploring Operation: 13-4=9, Resulting Numbers: [3, 9] Generated Node #0,0,0: 25:[3, 9] Operation: 13-4=9 Moving to Node #0,0,0 Current State: 25:[3, 9], Operations: ['75-72=3', '13-4=9'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,25 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 41, 26, 41, 65 ]
90
[ "41/41=1", "26+65=91", "91-1=90" ]
Current State: 90:[41, 26, 41, 65], Operations: [] Exploring Operation: 41/41=1, Resulting Numbers: [26, 65, 1] Generated Node #2: [26, 65, 1] from Operation: 41/41=1 Current State: 90:[26, 65, 1], Operations: ['41/41=1'] Exploring Operation: 26+65=91, Resulting Numbers: [1, 91] Generated Node #3: [1, 91] from Operation: 26+65=91 Current State: 90:[1, 91], Operations: ['41/41=1', '26+65=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[41, 26, 41, 65], Operations: [] Exploring Operation: 26+65=91, Resulting Numbers: [41, 41, 91] Generated Node #0,0: 90:[41, 41, 91] Operation: 26+65=91 Exploring Operation: 65-41=24, Resulting Numbers: [26, 41, 24] Generated Node #0,1: 90:[26, 41, 24] Operation: 65-41=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[41, 41, 91], Operations: ['26+65=91'] Exploring Operation: 41-41=0, Resulting Numbers: [91, 0] Generated Node #0,0,0: 90:[91, 0] Operation: 41-41=0 Exploring Operation: 41/41=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 90:[91, 1] Operation: 41/41=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[91, 1], Operations: ['26+65=91', '41/41=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[41, 26, 41, 65], Operations: [] Exploring Operation: 26+65=91, Resulting Numbers: [41, 41, 91] Generated Node #0,0: 90:[41, 41, 91] Operation: 26+65=91 Moving to Node #0,0 Current State: 90:[41, 41, 91], Operations: ['26+65=91'] Exploring Operation: 41/41=1, Resulting Numbers: [91, 1] Generated Node #0,0,1: 90:[91, 1] Operation: 41/41=1 Moving to Node #0,0,1 Current State: 90:[91, 1], Operations: ['26+65=91', '41/41=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 83, 71, 82, 9 ]
85
[ "83-71=12", "82-9=73", "12+73=85" ]
Current State: 85:[83, 71, 82, 9], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [82, 9, 12] Generated Node #2: [82, 9, 12] from Operation: 83-71=12 Current State: 85:[82, 9, 12], Operations: ['83-71=12'] Exploring Operation: 82-9=73, Resulting Numbers: [12, 73] Generated Node #3: [12, 73] from Operation: 82-9=73 Current State: 85:[12, 73], Operations: ['83-71=12', '82-9=73'] Exploring Operation: 12+73=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[83, 71, 82, 9], Operations: [] Exploring Operation: 82-71=11, Resulting Numbers: [83, 9, 11] Generated Node #0,0: 85:[83, 9, 11] Operation: 82-71=11 Exploring Operation: 83-82=1, Resulting Numbers: [71, 9, 1] Generated Node #0,1: 85:[71, 9, 1] Operation: 83-82=1 Exploring Operation: 83-71=12, Resulting Numbers: [82, 9, 12] Generated Node #0,2: 85:[82, 9, 12] Operation: 83-71=12 Exploring Operation: 71+9=80, Resulting Numbers: [83, 82, 80] Generated Node #0,3: 85:[83, 82, 80] Operation: 71+9=80 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[83, 82, 80], Operations: ['71+9=80'] Exploring Operation: 83-80=3, Resulting Numbers: [82, 3] Generated Node #0,3,0: 85:[82, 3] Operation: 83-80=3 Exploring Operation: 82+80=162, Resulting Numbers: [83, 162] Generated Node #0,3,1: 85:[83, 162] Operation: 82+80=162 Exploring Operation: 83-82=1, Resulting Numbers: [80, 1] Generated Node #0,3,2: 85:[80, 1] Operation: 83-82=1 Exploring Operation: 82-80=2, Resulting Numbers: [83, 2] Generated Node #0,3,3: 85:[83, 2] Operation: 82-80=2 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 85:[82, 3], Operations: ['71+9=80', '83-80=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,85 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[83, 71, 82, 9], Operations: [] Exploring Operation: 71+9=80, Resulting Numbers: [83, 82, 80] Generated Node #0,3: 85:[83, 82, 80] Operation: 71+9=80 Moving to Node #0,3 Current State: 85:[83, 82, 80], Operations: ['71+9=80'] Exploring Operation: 83-80=3, Resulting Numbers: [82, 3] Generated Node #0,3,0: 85:[82, 3] Operation: 83-80=3 Moving to Node #0,3,0 Current State: 85:[82, 3], Operations: ['71+9=80', '83-80=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 7, 2, 25, 3 ]
56
[ "25-7=18", "3*18=54", "2+54=56" ]
Current State: 56:[7, 2, 25, 3], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [2, 3, 18] Generated Node #2: [2, 3, 18] from Operation: 25-7=18 Current State: 56:[2, 3, 18], Operations: ['25-7=18'] Exploring Operation: 3*18=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 3*18=54 Current State: 56:[2, 54], Operations: ['25-7=18', '3*18=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[7, 2, 25, 3], Operations: [] Exploring Operation: 2+25=27, Resulting Numbers: [7, 3, 27] Generated Node #0,0: 56:[7, 3, 27] Operation: 2+25=27 Exploring Operation: 7*2=14, Resulting Numbers: [25, 3, 14] Generated Node #0,1: 56:[25, 3, 14] Operation: 7*2=14 Exploring Operation: 25+3=28, Resulting Numbers: [7, 2, 28] Generated Node #0,2: 56:[7, 2, 28] Operation: 25+3=28 Exploring Operation: 7-3=4, Resulting Numbers: [2, 25, 4] Generated Node #0,3: 56:[2, 25, 4] Operation: 7-3=4 Exploring Operation: 2+3=5, Resulting Numbers: [7, 25, 5] Generated Node #0,4: 56:[7, 25, 5] Operation: 2+3=5 Moving to Node #0,2 Current State: 56:[7, 2, 28], Operations: ['25+3=28'] Exploring Operation: 7+2=9, Resulting Numbers: [28, 9] Generated Node #0,2,0: 56:[28, 9] Operation: 7+2=9 Exploring Operation: 28/7=4, Resulting Numbers: [2, 4] Generated Node #0,2,1: 56:[2, 4] Operation: 28/7=4 Exploring Operation: 2*28=56, Resulting Numbers: [7, 56] Generated Node #0,2,2: 56:[7, 56] Operation: 2*28=56 Exploring Operation: 28/2=14, Resulting Numbers: [7, 14] Generated Node #0,2,3: 56:[7, 14] Operation: 28/2=14 Exploring Operation: 7*2=14, Resulting Numbers: [28, 14] Generated Node #0,2,4: 56:[28, 14] Operation: 7*2=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[2, 4], Operations: ['25+3=28', '28/7=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,56 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 #0,2,2 Current State: 56:[7, 56], Operations: ['25+3=28', '2*28=56'] Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,56 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,56 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 #0,2,3 Current State: 56:[7, 14], Operations: ['25+3=28', '28/2=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,56 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,56 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 #0,2,4 Current State: 56:[28, 14], Operations: ['25+3=28', '7*2=14'] Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,56 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,56 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 #0,2,0 Current State: 56:[28, 9], Operations: ['25+3=28', '7+2=9'] Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,56 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,56 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: 56:[7, 3, 27], Operations: ['2+25=27'] Exploring Operation: 27/3=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 56:[7, 9] Operation: 27/3=9 Exploring Operation: 3+27=30, Resulting Numbers: [7, 30] Generated Node #0,0,1: 56:[7, 30] Operation: 3+27=30 Exploring Operation: 7-3=4, Resulting Numbers: [27, 4] Generated Node #0,0,2: 56:[27, 4] Operation: 7-3=4 Exploring Operation: 27-3=24, Resulting Numbers: [7, 24] Generated Node #0,0,3: 56:[7, 24] Operation: 27-3=24 Exploring Operation: 7+3=10, Resulting Numbers: [27, 10] Generated Node #0,0,4: 56:[27, 10] Operation: 7+3=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[7, 9], Operations: ['2+25=27', '27/3=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,56 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 #0,0,2 Current State: 56:[27, 4], Operations: ['2+25=27', '7-3=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,56 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 #0,0,1 Current State: 56:[7, 30], Operations: ['2+25=27', '3+27=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,56 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 #0,0,4 Current State: 56:[27, 10], Operations: ['2+25=27', '7+3=10'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,56 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,56 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 #0,0,3 Current State: 56:[7, 24], Operations: ['2+25=27', '27-3=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,56 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,56 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: 56:[2, 25, 4], Operations: ['7-3=4'] Exploring Operation: 25+4=29, Resulting Numbers: [2, 29] Generated Node #0,3,0: 56:[2, 29] Operation: 25+4=29 Exploring Operation: 4-2=2, Resulting Numbers: [25, 2] Generated Node #0,3,1: 56:[25, 2] Operation: 4-2=2 Exploring Operation: 4/2=2, Resulting Numbers: [25, 2] Generated Node #0,3,2: 56:[25, 2] Operation: 4/2=2 Exploring Operation: 2+25=27, Resulting Numbers: [4, 27] Generated Node #0,3,3: 56:[4, 27] Operation: 2+25=27 Exploring Operation: 2*4=8, Resulting Numbers: [25, 8] Generated Node #0,3,4: 56:[25, 8] Operation: 2*4=8 Moving to Node #0,1 Current State: 56:[25, 3, 14], Operations: ['7*2=14'] Exploring Operation: 14-3=11, Resulting Numbers: [25, 11] Generated Node #0,1,0: 56:[25, 11] Operation: 14-3=11 Exploring Operation: 25+3=28, Resulting Numbers: [14, 28] Generated Node #0,1,1: 56:[14, 28] Operation: 25+3=28 Exploring Operation: 3+14=17, Resulting Numbers: [25, 17] Generated Node #0,1,2: 56:[25, 17] Operation: 3+14=17 Exploring Operation: 25-3=22, Resulting Numbers: [14, 22] Generated Node #0,1,3: 56:[14, 22] Operation: 25-3=22 Exploring Operation: 25-14=11, Resulting Numbers: [3, 11] Generated Node #0,1,4: 56:[3, 11] Operation: 25-14=11 Moving to Node #0,4 Current State: 56:[7, 25, 5], Operations: ['2+3=5'] Exploring Operation: 7+25=32, Resulting Numbers: [5, 32] Generated Node #0,4,0: 56:[5, 32] Operation: 7+25=32 Exploring Operation: 25+5=30, Resulting Numbers: [7, 30] Generated Node #0,4,1: 56:[7, 30] Operation: 25+5=30 Exploring Operation: 25/5=5, Resulting Numbers: [7, 5] Generated Node #0,4,2: 56:[7, 5] Operation: 25/5=5 Exploring Operation: 25-7=18, Resulting Numbers: [5, 18] Generated Node #0,4,3: 56:[5, 18] Operation: 25-7=18 Exploring Operation: 7-5=2, Resulting Numbers: [25, 2] Generated Node #0,4,4: 56:[25, 2] Operation: 7-5=2 Moving to Node #0,1,1 Current State: 56:[14, 28], Operations: ['7*2=14', '25+3=28'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[2, 29], Operations: ['7-3=4', '25+4=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[4, 27], Operations: ['7-3=4', '2+25=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,56 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,56 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,4,2 Current State: 56:[7, 5], Operations: ['2+3=5', '25/5=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,56 unequal: No Solution Moving to Node #0,4,1 Current State: 56:[7, 30], Operations: ['2+3=5', '25+5=30'] Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,56 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,4,4 Current State: 56:[25, 2], Operations: ['2+3=5', '7-5=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,3,1 Current State: 56:[25, 2], Operations: ['7-3=4', '4-2=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,56 unequal: No Solution Moving to Node #0,3,4 Current State: 56:[25, 8], Operations: ['7-3=4', '2*4=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,56 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,56 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[25, 2], Operations: ['7-3=4', '4/2=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,56 unequal: No Solution Moving to Node #0,1,4 Current State: 56:[3, 11], Operations: ['7*2=14', '25-14=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,56 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,4,3 Current State: 56:[5, 18], Operations: ['2+3=5', '25-7=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,56 unequal: No Solution Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,56 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,56 unequal: No Solution Moving to Node #0,4,0 Current State: 56:[5, 32], Operations: ['2+3=5', '7+25=32'] Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,56 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,56 unequal: No Solution Moving to Node #0,1,3 Current State: 56:[14, 22], Operations: ['7*2=14', '25-3=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,56 unequal: No Solution Exploring Operation: 14*22=308, Resulting Numbers: [308] 308,56 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[25, 11], Operations: ['7*2=14', '14-3=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,56 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[25, 17], Operations: ['7*2=14', '3+14=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 25*17=425, Resulting Numbers: [425] 425,56 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,56 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 89, 24, 86, 11 ]
88
[ "89-86=3", "24*11=264", "264/3=88" ]
Current State: 88:[89, 24, 86, 11], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [24, 11, 3] Generated Node #2: [24, 11, 3] from Operation: 89-86=3 Current State: 88:[24, 11, 3], Operations: ['89-86=3'] Exploring Operation: 24*11=264, Resulting Numbers: [3, 264] Generated Node #3: [3, 264] from Operation: 24*11=264 Current State: 88:[3, 264], Operations: ['89-86=3', '24*11=264'] Exploring Operation: 264/3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[89, 24, 86, 11], Operations: [] Exploring Operation: 86+11=97, Resulting Numbers: [89, 24, 97] Generated Node #0,0: 88:[89, 24, 97] Operation: 86+11=97 Exploring Operation: 89-86=3, Resulting Numbers: [24, 11, 3] Generated Node #0,1: 88:[24, 11, 3] Operation: 89-86=3 Exploring Operation: 24+11=35, Resulting Numbers: [89, 86, 35] Generated Node #0,2: 88:[89, 86, 35] Operation: 24+11=35 Exploring Operation: 24-11=13, Resulting Numbers: [89, 86, 13] Generated Node #0,3: 88:[89, 86, 13] Operation: 24-11=13 Moving to Node #0,1 Current State: 88:[24, 11, 3], Operations: ['89-86=3'] Exploring Operation: 24/3=8, Resulting Numbers: [11, 8] Generated Node #0,1,0: 88:[11, 8] Operation: 24/3=8 Exploring Operation: 11-3=8, Resulting Numbers: [24, 8] Generated Node #0,1,1: 88:[24, 8] Operation: 11-3=8 Exploring Operation: 24-3=21, Resulting Numbers: [11, 21] Generated Node #0,1,2: 88:[11, 21] Operation: 24-3=21 Exploring Operation: 24-11=13, Resulting Numbers: [3, 13] Generated Node #0,1,3: 88:[3, 13] Operation: 24-11=13 Moving to Node #0,3 Current State: 88:[89, 86, 13], Operations: ['24-11=13'] Exploring Operation: 89-86=3, Resulting Numbers: [13, 3] Generated Node #0,3,0: 88:[13, 3] Operation: 89-86=3 Exploring Operation: 89+13=102, Resulting Numbers: [86, 102] Generated Node #0,3,1: 88:[86, 102] Operation: 89+13=102 Exploring Operation: 89-13=76, Resulting Numbers: [86, 76] Generated Node #0,3,2: 88:[86, 76] Operation: 89-13=76 Exploring Operation: 86+13=99, Resulting Numbers: [89, 99] Generated Node #0,3,3: 88:[89, 99] Operation: 86+13=99 Moving to Node #0,2 Current State: 88:[89, 86, 35], Operations: ['24+11=35'] Exploring Operation: 89-35=54, Resulting Numbers: [86, 54] Generated Node #0,2,0: 88:[86, 54] Operation: 89-35=54 Exploring Operation: 89-86=3, Resulting Numbers: [35, 3] Generated Node #0,2,1: 88:[35, 3] Operation: 89-86=3 Exploring Operation: 86+35=121, Resulting Numbers: [89, 121] Generated Node #0,2,2: 88:[89, 121] Operation: 86+35=121 Exploring Operation: 86-35=51, Resulting Numbers: [89, 51] Generated Node #0,2,3: 88:[89, 51] Operation: 86-35=51 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[89, 51], Operations: ['24+11=35', '86-35=51'] Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,88 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,88 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[35, 3], Operations: ['24+11=35', '89-86=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,88 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[86, 54], Operations: ['24+11=35', '89-35=54'] Exploring Operation: 86*54=4644, Resulting Numbers: [4644] 4644,88 unequal: No Solution Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 86+54=140, Resulting Numbers: [140] 140,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[89, 121], Operations: ['24+11=35', '86+35=121'] Exploring Operation: 89*121=10769, Resulting Numbers: [10769] 10769,88 unequal: No Solution Exploring Operation: 121-89=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 89+121=210, Resulting Numbers: [210] 210,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 88:[89, 24, 97], Operations: ['86+11=97'] Exploring Operation: 89-24=65, Resulting Numbers: [97, 65] Generated Node #0,0,0: 88:[97, 65] Operation: 89-24=65 Exploring Operation: 97-89=8, Resulting Numbers: [24, 8] Generated Node #0,0,1: 88:[24, 8] Operation: 97-89=8 Exploring Operation: 89+24=113, Resulting Numbers: [97, 113] Generated Node #0,0,2: 88:[97, 113] Operation: 89+24=113 Exploring Operation: 97-24=73, Resulting Numbers: [89, 73] Generated Node #0,0,3: 88:[89, 73] Operation: 97-24=73 Moving to Node #0,1,0 Current State: 88:[11, 8], Operations: ['89-86=3', '24/3=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,88 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[89, 24, 86, 11], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [24, 11, 3] Generated Node #0,1: 88:[24, 11, 3] Operation: 89-86=3 Moving to Node #0,1 Current State: 88:[24, 11, 3], Operations: ['89-86=3'] Exploring Operation: 24/3=8, Resulting Numbers: [11, 8] Generated Node #0,1,0: 88:[11, 8] Operation: 24/3=8 Moving to Node #0,1,0 Current State: 88:[11, 8], Operations: ['89-86=3', '24/3=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 14, 23, 37, 54 ]
95
[ "14*54=756", "23*37=851", "851-756=95" ]
Current State: 95:[14, 23, 37, 54], Operations: [] Exploring Operation: 14*54=756, Resulting Numbers: [23, 37, 756] Generated Node #2: [23, 37, 756] from Operation: 14*54=756 Current State: 95:[23, 37, 756], Operations: ['14*54=756'] Exploring Operation: 23*37=851, Resulting Numbers: [756, 851] Generated Node #3: [756, 851] from Operation: 23*37=851 Current State: 95:[756, 851], Operations: ['14*54=756', '23*37=851'] Exploring Operation: 851-756=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[14, 23, 37, 54], Operations: [] Exploring Operation: 37+54=91, Resulting Numbers: [14, 23, 91] Generated Node #0,0: 95:[14, 23, 91] Operation: 37+54=91 Exploring Operation: 54-37=17, Resulting Numbers: [14, 23, 17] Generated Node #0,1: 95:[14, 23, 17] Operation: 54-37=17 Exploring Operation: 54-23=31, Resulting Numbers: [14, 37, 31] Generated Node #0,2: 95:[14, 37, 31] Operation: 54-23=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[14, 23, 17], Operations: ['54-37=17'] Exploring Operation: 23-17=6, Resulting Numbers: [14, 6] Generated Node #0,1,0: 95:[14, 6] Operation: 23-17=6 Exploring Operation: 17-14=3, Resulting Numbers: [23, 3] Generated Node #0,1,1: 95:[23, 3] Operation: 17-14=3 Exploring Operation: 23-14=9, Resulting Numbers: [17, 9] Generated Node #0,1,2: 95:[17, 9] Operation: 23-14=9 Moving to Node #0,1,0 Current State: 95:[14, 6], Operations: ['54-37=17', '23-17=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[23, 3], Operations: ['54-37=17', '17-14=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[17, 9], Operations: ['54-37=17', '23-14=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[14, 23, 91], Operations: ['37+54=91'] Exploring Operation: 23-14=9, Resulting Numbers: [91, 9] Generated Node #0,0,0: 95:[91, 9] Operation: 23-14=9 Exploring Operation: 14+91=105, Resulting Numbers: [23, 105] Generated Node #0,0,1: 95:[23, 105] Operation: 14+91=105 Exploring Operation: 14+23=37, Resulting Numbers: [91, 37] Generated Node #0,0,2: 95:[91, 37] Operation: 14+23=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[91, 9], Operations: ['37+54=91', '23-14=9'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,95 unequal: No Solution Exploring Operation: 91*9=819, Resulting Numbers: [819] 819,95 unequal: No Solution Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[23, 105], Operations: ['37+54=91', '14+91=105'] Exploring Operation: 23*105=2415, Resulting Numbers: [2415] 2415,95 unequal: No Solution Exploring Operation: 23+105=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 105-23=82, Resulting Numbers: [82] 82,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[91, 37], Operations: ['37+54=91', '14+23=37'] Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,95 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,95 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[14, 37, 31], Operations: ['54-23=31'] Exploring Operation: 31-14=17, Resulting Numbers: [37, 17] Generated Node #0,2,0: 95:[37, 17] Operation: 31-14=17 Exploring Operation: 37-14=23, Resulting Numbers: [31, 23] Generated Node #0,2,1: 95:[31, 23] Operation: 37-14=23 Exploring Operation: 37-31=6, Resulting Numbers: [14, 6] Generated Node #0,2,2: 95:[14, 6] Operation: 37-31=6 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 95:[14, 6], Operations: ['54-23=31', '37-31=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[31, 23], Operations: ['54-23=31', '37-14=23'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,95 unequal: No Solution Exploring Operation: 31*23=713, Resulting Numbers: [713] 713,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[37, 17], Operations: ['54-23=31', '31-14=17'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,95 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,95 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 51, 4, 96, 68 ]
19
[ "51-4=47", "96-68=28", "47-28=19" ]
Current State: 19:[51, 4, 96, 68], Operations: [] Exploring Operation: 51-4=47, Resulting Numbers: [96, 68, 47] Generated Node #2: [96, 68, 47] from Operation: 51-4=47 Current State: 19:[96, 68, 47], Operations: ['51-4=47'] Exploring Operation: 96-68=28, Resulting Numbers: [47, 28] Generated Node #3: [47, 28] from Operation: 96-68=28 Current State: 19:[47, 28], Operations: ['51-4=47', '96-68=28'] Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[51, 4, 96, 68], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [51, 68, 24] Generated Node #0,0: 19:[51, 68, 24] Operation: 96/4=24 Exploring Operation: 96-68=28, Resulting Numbers: [51, 4, 28] Generated Node #0,1: 19:[51, 4, 28] Operation: 96-68=28 Moving to Node #0,1 Current State: 19:[51, 4, 28], Operations: ['96-68=28'] Exploring Operation: 51-4=47, Resulting Numbers: [28, 47] Generated Node #0,1,0: 19:[28, 47] Operation: 51-4=47 Exploring Operation: 51-28=23, Resulting Numbers: [4, 23] Generated Node #0,1,1: 19:[4, 23] Operation: 51-28=23 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[4, 23], Operations: ['96-68=28', '51-28=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[51, 4, 96, 68], Operations: [] Exploring Operation: 96-68=28, Resulting Numbers: [51, 4, 28] Generated Node #0,1: 19:[51, 4, 28] Operation: 96-68=28 Moving to Node #0,1 Current State: 19:[51, 4, 28], Operations: ['96-68=28'] Exploring Operation: 51-28=23, Resulting Numbers: [4, 23] Generated Node #0,1,1: 19:[4, 23] Operation: 51-28=23 Moving to Node #0,1,1 Current State: 19:[4, 23], Operations: ['96-68=28', '51-28=23'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 25, 85, 49, 73 ]
84
[ "85-25=60", "73-49=24", "60+24=84" ]
Current State: 84:[25, 85, 49, 73], Operations: [] Exploring Operation: 85-25=60, Resulting Numbers: [49, 73, 60] Generated Node #2: [49, 73, 60] from Operation: 85-25=60 Current State: 84:[49, 73, 60], Operations: ['85-25=60'] Exploring Operation: 73-49=24, Resulting Numbers: [60, 24] Generated Node #3: [60, 24] from Operation: 73-49=24 Current State: 84:[60, 24], Operations: ['85-25=60', '73-49=24'] Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[25, 85, 49, 73], Operations: [] Exploring Operation: 73-25=48, Resulting Numbers: [85, 49, 48] Generated Node #0,0: 84:[85, 49, 48] Operation: 73-25=48 Exploring Operation: 85-73=12, Resulting Numbers: [25, 49, 12] Generated Node #0,1: 84:[25, 49, 12] Operation: 85-73=12 Exploring Operation: 73-49=24, Resulting Numbers: [25, 85, 24] Generated Node #0,2: 84:[25, 85, 24] Operation: 73-49=24 Exploring Operation: 49-25=24, Resulting Numbers: [85, 73, 24] Generated Node #0,3: 84:[85, 73, 24] Operation: 49-25=24 Moving to Node #0,2 Current State: 84:[25, 85, 24], Operations: ['73-49=24'] Exploring Operation: 85-24=61, Resulting Numbers: [25, 61] Generated Node #0,2,0: 84:[25, 61] Operation: 85-24=61 Exploring Operation: 25-24=1, Resulting Numbers: [85, 1] Generated Node #0,2,1: 84:[85, 1] Operation: 25-24=1 Exploring Operation: 85-25=60, Resulting Numbers: [24, 60] Generated Node #0,2,2: 84:[24, 60] Operation: 85-25=60 Exploring Operation: 25+24=49, Resulting Numbers: [85, 49] Generated Node #0,2,3: 84:[85, 49] Operation: 25+24=49 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[85, 1], Operations: ['73-49=24', '25-24=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,84 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[25, 85, 49, 73], Operations: [] Exploring Operation: 73-49=24, Resulting Numbers: [25, 85, 24] Generated Node #0,2: 84:[25, 85, 24] Operation: 73-49=24 Moving to Node #0,2 Current State: 84:[25, 85, 24], Operations: ['73-49=24'] Exploring Operation: 25-24=1, Resulting Numbers: [85, 1] Generated Node #0,2,1: 84:[85, 1] Operation: 25-24=1 Moving to Node #0,2,1 Current State: 84:[85, 1], Operations: ['73-49=24', '25-24=1'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 55, 2, 23, 50 ]
64
[ "55+23=78", "50+78=128", "128/2=64" ]
Current State: 64:[55, 2, 23, 50], Operations: [] Exploring Operation: 55+23=78, Resulting Numbers: [2, 50, 78] Generated Node #2: [2, 50, 78] from Operation: 55+23=78 Current State: 64:[2, 50, 78], Operations: ['55+23=78'] Exploring Operation: 50+78=128, Resulting Numbers: [2, 128] Generated Node #3: [2, 128] from Operation: 50+78=128 Current State: 64:[2, 128], Operations: ['55+23=78', '50+78=128'] Exploring Operation: 128/2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[55, 2, 23, 50], Operations: [] Exploring Operation: 55-23=32, Resulting Numbers: [2, 50, 32] Generated Node #0,0: 64:[2, 50, 32] Operation: 55-23=32 Exploring Operation: 55-50=5, Resulting Numbers: [2, 23, 5] Generated Node #0,1: 64:[2, 23, 5] Operation: 55-50=5 Exploring Operation: 50/2=25, Resulting Numbers: [55, 23, 25] Generated Node #0,2: 64:[55, 23, 25] Operation: 50/2=25 Exploring Operation: 50-23=27, Resulting Numbers: [55, 2, 27] Generated Node #0,3: 64:[55, 2, 27] Operation: 50-23=27 Exploring Operation: 23+50=73, Resulting Numbers: [55, 2, 73] Generated Node #0,4: 64:[55, 2, 73] Operation: 23+50=73 Moving to Node #0,1 Current State: 64:[2, 23, 5], Operations: ['55-50=5'] Exploring Operation: 23-5=18, Resulting Numbers: [2, 18] Generated Node #0,1,0: 64:[2, 18] Operation: 23-5=18 Exploring Operation: 2+23=25, Resulting Numbers: [5, 25] Generated Node #0,1,1: 64:[5, 25] Operation: 2+23=25 Exploring Operation: 23+5=28, Resulting Numbers: [2, 28] Generated Node #0,1,2: 64:[2, 28] Operation: 23+5=28 Exploring Operation: 2+5=7, Resulting Numbers: [23, 7] Generated Node #0,1,3: 64:[23, 7] Operation: 2+5=7 Exploring Operation: 23-2=21, Resulting Numbers: [5, 21] Generated Node #0,1,4: 64:[5, 21] Operation: 23-2=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[2, 18], Operations: ['55-50=5', '23-5=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,64 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[2, 28], Operations: ['55-50=5', '23+5=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[5, 21], Operations: ['55-50=5', '23-2=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[5, 25], Operations: ['55-50=5', '2+23=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,64 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[23, 7], Operations: ['55-50=5', '2+5=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,64 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 64:[55, 2, 27], Operations: ['50-23=27'] Exploring Operation: 2+27=29, Resulting Numbers: [55, 29] Generated Node #0,3,0: 64:[55, 29] Operation: 2+27=29 Exploring Operation: 27-2=25, Resulting Numbers: [55, 25] Generated Node #0,3,1: 64:[55, 25] Operation: 27-2=25 Exploring Operation: 55-2=53, Resulting Numbers: [27, 53] Generated Node #0,3,2: 64:[27, 53] Operation: 55-2=53 Exploring Operation: 55-27=28, Resulting Numbers: [2, 28] Generated Node #0,3,3: 64:[2, 28] Operation: 55-27=28 Exploring Operation: 55+2=57, Resulting Numbers: [27, 57] Generated Node #0,3,4: 64:[27, 57] Operation: 55+2=57 Moving to Node #0,0 Current State: 64:[2, 50, 32], Operations: ['55-23=32'] Exploring Operation: 50/2=25, Resulting Numbers: [32, 25] Generated Node #0,0,0: 64:[32, 25] Operation: 50/2=25 Exploring Operation: 32/2=16, Resulting Numbers: [50, 16] Generated Node #0,0,1: 64:[50, 16] Operation: 32/2=16 Exploring Operation: 2+50=52, Resulting Numbers: [32, 52] Generated Node #0,0,2: 64:[32, 52] Operation: 2+50=52 Exploring Operation: 2*32=64, Resulting Numbers: [50, 64] Generated Node #0,0,3: 64:[50, 64] Operation: 2*32=64 Exploring Operation: 50-32=18, Resulting Numbers: [2, 18] Generated Node #0,0,4: 64:[2, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 64:[2, 18], Operations: ['55-23=32', '50-32=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[32, 25], Operations: ['55-23=32', '50/2=25'] Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,64 unequal: No Solution Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,64 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[32, 52], Operations: ['55-23=32', '2+50=52'] Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,64 unequal: No Solution Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[50, 16], Operations: ['55-23=32', '32/2=16'] Exploring Operation: 50+16=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,64 unequal: No Solution Exploring Operation: 50*16=800, Resulting Numbers: [800] 800,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 64:[50, 64], Operations: ['55-23=32', '2*32=64'] Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,64 unequal: No Solution Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,64 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: 64:[55, 2, 73], Operations: ['23+50=73'] Exploring Operation: 2+73=75, Resulting Numbers: [55, 75] Generated Node #0,4,0: 64:[55, 75] Operation: 2+73=75 Exploring Operation: 73-55=18, Resulting Numbers: [2, 18] Generated Node #0,4,1: 64:[2, 18] Operation: 73-55=18 Exploring Operation: 55-2=53, Resulting Numbers: [73, 53] Generated Node #0,4,2: 64:[73, 53] Operation: 55-2=53 Exploring Operation: 55+2=57, Resulting Numbers: [73, 57] Generated Node #0,4,3: 64:[73, 57] Operation: 55+2=57 Exploring Operation: 73-2=71, Resulting Numbers: [55, 71] Generated Node #0,4,4: 64:[55, 71] Operation: 73-2=71 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 64:[2, 18], Operations: ['23+50=73', '73-55=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,64 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,64 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 #0,4,3 Current State: 64:[73, 57], Operations: ['23+50=73', '55+2=57'] Exploring Operation: 73*57=4161, Resulting Numbers: [4161] 4161,64 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 73+57=130, Resulting Numbers: [130] 130,64 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 #0,4,4 Current State: 64:[55, 71], Operations: ['23+50=73', '73-2=71'] Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,64 unequal: No Solution Exploring Operation: 55*71=3905, Resulting Numbers: [3905] 3905,64 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,64 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 #0,4,0 Current State: 64:[55, 75], Operations: ['23+50=73', '2+73=75'] Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 55*75=4125, Resulting Numbers: [4125] 4125,64 unequal: No Solution Exploring Operation: 55+75=130, Resulting Numbers: [130] 130,64 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 #0,4,2 Current State: 64:[73, 53], Operations: ['23+50=73', '55-2=53'] Exploring Operation: 73+53=126, Resulting Numbers: [126] 126,64 unequal: No Solution Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,64 unequal: No Solution Exploring Operation: 73*53=3869, Resulting Numbers: [3869] 3869,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 64:[55, 23, 25], Operations: ['50/2=25'] Exploring Operation: 55-25=30, Resulting Numbers: [23, 30] Generated Node #0,2,0: 64:[23, 30] Operation: 55-25=30 Exploring Operation: 25-23=2, Resulting Numbers: [55, 2] Generated Node #0,2,1: 64:[55, 2] Operation: 25-23=2 Exploring Operation: 55+23=78, Resulting Numbers: [25, 78] Generated Node #0,2,2: 64:[25, 78] Operation: 55+23=78 Exploring Operation: 55-23=32, Resulting Numbers: [25, 32] Generated Node #0,2,3: 64:[25, 32] Operation: 55-23=32 Exploring Operation: 55+25=80, Resulting Numbers: [23, 80] Generated Node #0,2,4: 64:[23, 80] Operation: 55+25=80 Moving to Node #0,3,3 Current State: 64:[2, 28], Operations: ['50-23=27', '55-27=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[25, 32], Operations: ['50/2=25', '55-23=32'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,64 unequal: No Solution Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[23, 30], Operations: ['50/2=25', '55-25=30'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 23+30=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 23*30=690, Resulting Numbers: [690] 690,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[55, 2], Operations: ['50/2=25', '25-23=2'] Exploring Operation: 55*2=110, Resulting Numbers: [110] 110,64 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[27, 57], Operations: ['50-23=27', '55+2=57'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 27+57=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 27*57=1539, Resulting Numbers: [1539] 1539,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[55, 29], Operations: ['50-23=27', '2+27=29'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 55+29=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 55*29=1595, Resulting Numbers: [1595] 1595,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[27, 53], Operations: ['50-23=27', '55-2=53'] Exploring Operation: 27+53=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 27*53=1431, Resulting Numbers: [1431] 1431,64 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[55, 25], Operations: ['50-23=27', '27-2=25'] Exploring Operation: 55+25=80, Resulting Numbers: [80] 80,64 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 55*25=1375, Resulting Numbers: [1375] 1375,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[25, 78], Operations: ['50/2=25', '55+23=78'] Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,64 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,64 unequal: No Solution Moving to Node #0,2,4 Current State: 64:[23, 80], Operations: ['50/2=25', '55+25=80'] Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,64 unequal: No Solution Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,64 unequal: No Solution Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,64 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 75, 12, 46, 66 ]
43
[ "75-12=63", "66-46=20", "63-20=43" ]
Current State: 43:[75, 12, 46, 66], Operations: [] Exploring Operation: 75-12=63, Resulting Numbers: [46, 66, 63] Generated Node #2: [46, 66, 63] from Operation: 75-12=63 Current State: 43:[46, 66, 63], Operations: ['75-12=63'] Exploring Operation: 66-46=20, Resulting Numbers: [63, 20] Generated Node #3: [63, 20] from Operation: 66-46=20 Current State: 43:[63, 20], Operations: ['75-12=63', '66-46=20'] Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[75, 12, 46, 66], Operations: [] Exploring Operation: 46-12=34, Resulting Numbers: [75, 66, 34] Generated Node #0,0: 43:[75, 66, 34] Operation: 46-12=34 Exploring Operation: 75-46=29, Resulting Numbers: [12, 66, 29] Generated Node #0,1: 43:[12, 66, 29] Operation: 75-46=29 Exploring Operation: 66-12=54, Resulting Numbers: [75, 46, 54] Generated Node #0,2: 43:[75, 46, 54] Operation: 66-12=54 Exploring Operation: 75-66=9, Resulting Numbers: [12, 46, 9] Generated Node #0,3: 43:[12, 46, 9] Operation: 75-66=9 Exploring Operation: 75-12=63, Resulting Numbers: [46, 66, 63] Generated Node #0,4: 43:[46, 66, 63] Operation: 75-12=63 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[75, 46, 54], Operations: ['66-12=54'] Exploring Operation: 75-54=21, Resulting Numbers: [46, 21] Generated Node #0,2,0: 43:[46, 21] Operation: 75-54=21 Exploring Operation: 75-46=29, Resulting Numbers: [54, 29] Generated Node #0,2,1: 43:[54, 29] Operation: 75-46=29 Exploring Operation: 75+54=129, Resulting Numbers: [46, 129] Generated Node #0,2,2: 43:[46, 129] Operation: 75+54=129 Exploring Operation: 54-46=8, Resulting Numbers: [75, 8] Generated Node #0,2,3: 43:[75, 8] Operation: 54-46=8 Exploring Operation: 75+46=121, Resulting Numbers: [54, 121] Generated Node #0,2,4: 43:[54, 121] Operation: 75+46=121 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[46, 21], Operations: ['66-12=54', '75-54=21'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 46*21=966, Resulting Numbers: [966] 966,43 unequal: No Solution Exploring Operation: 46+21=67, Resulting Numbers: [67] 67,43 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 #0,2,1 Current State: 43:[54, 29], Operations: ['66-12=54', '75-46=29'] Exploring Operation: 54-29=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 54*29=1566, Resulting Numbers: [1566] 1566,43 unequal: No Solution Exploring Operation: 54+29=83, Resulting Numbers: [83] 83,43 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 #0,2,3 Current State: 43:[75, 8], Operations: ['66-12=54', '54-46=8'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,43 unequal: No Solution Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,43 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 #0,2,2 Current State: 43:[46, 129], Operations: ['66-12=54', '75+54=129'] Exploring Operation: 46+129=175, Resulting Numbers: [175] 175,43 unequal: No Solution Exploring Operation: 129-46=83, Resulting Numbers: [83] 83,43 unequal: No Solution Exploring Operation: 46*129=5934, Resulting Numbers: [5934] 5934,43 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 #0,2,4 Current State: 43:[54, 121], Operations: ['66-12=54', '75+46=121'] Exploring Operation: 54*121=6534, Resulting Numbers: [6534] 6534,43 unequal: No Solution Exploring Operation: 54+121=175, Resulting Numbers: [175] 175,43 unequal: No Solution Exploring Operation: 121-54=67, Resulting Numbers: [67] 67,43 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 #0,4 Current State: 43:[46, 66, 63], Operations: ['75-12=63'] Exploring Operation: 46+66=112, Resulting Numbers: [63, 112] Generated Node #0,4,0: 43:[63, 112] Operation: 46+66=112 Exploring Operation: 63-46=17, Resulting Numbers: [66, 17] Generated Node #0,4,1: 43:[66, 17] Operation: 63-46=17 Exploring Operation: 46+63=109, Resulting Numbers: [66, 109] Generated Node #0,4,2: 43:[66, 109] Operation: 46+63=109 Exploring Operation: 66-63=3, Resulting Numbers: [46, 3] Generated Node #0,4,3: 43:[46, 3] Operation: 66-63=3 Exploring Operation: 66-46=20, Resulting Numbers: [63, 20] Generated Node #0,4,4: 43:[63, 20] Operation: 66-46=20 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 43:[46, 3], Operations: ['75-12=63', '66-63=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,43 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[75, 12, 46, 66], Operations: [] Exploring Operation: 75-12=63, Resulting Numbers: [46, 66, 63] Generated Node #0,4: 43:[46, 66, 63] Operation: 75-12=63 Moving to Node #0,4 Current State: 43:[46, 66, 63], Operations: ['75-12=63'] Exploring Operation: 66-63=3, Resulting Numbers: [46, 3] Generated Node #0,4,3: 43:[46, 3] Operation: 66-63=3 Moving to Node #0,4,3 Current State: 43:[46, 3], Operations: ['75-12=63', '66-63=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 86, 60, 27, 3 ]
93
[ "86+27=113", "60/3=20", "113-20=93" ]
Current State: 93:[86, 60, 27, 3], Operations: [] Exploring Operation: 86+27=113, Resulting Numbers: [60, 3, 113] Generated Node #2: [60, 3, 113] from Operation: 86+27=113 Current State: 93:[60, 3, 113], Operations: ['86+27=113'] Exploring Operation: 60/3=20, Resulting Numbers: [113, 20] Generated Node #3: [113, 20] from Operation: 60/3=20 Current State: 93:[113, 20], Operations: ['86+27=113', '60/3=20'] Exploring Operation: 113-20=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[86, 60, 27, 3], Operations: [] Exploring Operation: 60+27=87, Resulting Numbers: [86, 3, 87] Generated Node #0,0: 93:[86, 3, 87] Operation: 60+27=87 Exploring Operation: 60-27=33, Resulting Numbers: [86, 3, 33] Generated Node #0,1: 93:[86, 3, 33] Operation: 60-27=33 Exploring Operation: 86-60=26, Resulting Numbers: [27, 3, 26] Generated Node #0,2: 93:[27, 3, 26] Operation: 86-60=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[86, 3, 33], Operations: ['60-27=33'] Exploring Operation: 33-3=30, Resulting Numbers: [86, 30] Generated Node #0,1,0: 93:[86, 30] Operation: 33-3=30 Exploring Operation: 86-3=83, Resulting Numbers: [33, 83] Generated Node #0,1,1: 93:[33, 83] Operation: 86-3=83 Exploring Operation: 86+3=89, Resulting Numbers: [33, 89] Generated Node #0,1,2: 93:[33, 89] Operation: 86+3=89 Moving to Node #0,1,2 Current State: 93:[33, 89], Operations: ['60-27=33', '86+3=89'] Exploring Operation: 33+89=122, Resulting Numbers: [122] 122,93 unequal: No Solution Exploring Operation: 89-33=56, Resulting Numbers: [56] 56,93 unequal: No Solution Exploring Operation: 33*89=2937, Resulting Numbers: [2937] 2937,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[86, 30], Operations: ['60-27=33', '33-3=30'] Exploring Operation: 86*30=2580, Resulting Numbers: [2580] 2580,93 unequal: No Solution Exploring Operation: 86+30=116, Resulting Numbers: [116] 116,93 unequal: No Solution Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[33, 83], Operations: ['60-27=33', '86-3=83'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,93 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,93 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,93 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 Current State: 93:[27, 3, 26], Operations: ['86-60=26'] Exploring Operation: 27-26=1, Resulting Numbers: [3, 1] Generated Node #0,2,0: 93:[3, 1] Operation: 27-26=1 Exploring Operation: 27+3=30, Resulting Numbers: [26, 30] Generated Node #0,2,1: 93:[26, 30] Operation: 27+3=30 Exploring Operation: 3+26=29, Resulting Numbers: [27, 29] Generated Node #0,2,2: 93:[27, 29] Operation: 3+26=29 Moving to Node #0,2,0 Current State: 93:[3, 1], Operations: ['86-60=26', '27-26=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[26, 30], Operations: ['86-60=26', '27+3=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,93 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[27, 29], Operations: ['86-60=26', '3+26=29'] Exploring Operation: 27*29=783, Resulting Numbers: [783] 783,93 unequal: No Solution Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 27+29=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 #0,0 Current State: 93:[86, 3, 87], Operations: ['60+27=87'] Exploring Operation: 87/3=29, Resulting Numbers: [86, 29] Generated Node #0,0,0: 93:[86, 29] Operation: 87/3=29 Exploring Operation: 87-86=1, Resulting Numbers: [3, 1] Generated Node #0,0,1: 93:[3, 1] Operation: 87-86=1 Exploring Operation: 86+3=89, Resulting Numbers: [87, 89] Generated Node #0,0,2: 93:[87, 89] Operation: 86+3=89 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[3, 1], Operations: ['60+27=87', '87-86=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[86, 29], Operations: ['60+27=87', '87/3=29'] Exploring Operation: 86*29=2494, Resulting Numbers: [2494] 2494,93 unequal: No Solution Exploring Operation: 86+29=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 93:[87, 89], Operations: ['60+27=87', '86+3=89'] Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 87*89=7743, Resulting Numbers: [7743] 7743,93 unequal: No Solution Exploring Operation: 87+89=176, Resulting Numbers: [176] 176,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 98, 53, 7, 49 ]
67
[ "98*7=686", "686/49=14", "53+14=67" ]
Current State: 67:[98, 53, 7, 49], Operations: [] Exploring Operation: 98*7=686, Resulting Numbers: [53, 49, 686] Generated Node #2: [53, 49, 686] from Operation: 98*7=686 Current State: 67:[53, 49, 686], Operations: ['98*7=686'] Exploring Operation: 686/49=14, Resulting Numbers: [53, 14] Generated Node #3: [53, 14] from Operation: 686/49=14 Current State: 67:[53, 14], Operations: ['98*7=686', '686/49=14'] Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[98, 53, 7, 49], Operations: [] Exploring Operation: 7+49=56, Resulting Numbers: [98, 53, 56] Generated Node #0,0: 67:[98, 53, 56] Operation: 7+49=56 Exploring Operation: 98-7=91, Resulting Numbers: [53, 49, 91] Generated Node #0,1: 67:[53, 49, 91] Operation: 98-7=91 Exploring Operation: 53+7=60, Resulting Numbers: [98, 49, 60] Generated Node #0,2: 67:[98, 49, 60] Operation: 53+7=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[98, 53, 56], Operations: ['7+49=56'] Exploring Operation: 98-56=42, Resulting Numbers: [53, 42] Generated Node #0,0,0: 67:[53, 42] Operation: 98-56=42 Exploring Operation: 98-53=45, Resulting Numbers: [56, 45] Generated Node #0,0,1: 67:[56, 45] Operation: 98-53=45 Exploring Operation: 53+56=109, Resulting Numbers: [98, 109] Generated Node #0,0,2: 67:[98, 109] Operation: 53+56=109 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[56, 45], Operations: ['7+49=56', '98-53=45'] Exploring Operation: 56*45=2520, Resulting Numbers: [2520] 2520,67 unequal: No Solution Exploring Operation: 56+45=101, Resulting Numbers: [101] 101,67 unequal: No Solution Exploring Operation: 56-45=11, Resulting Numbers: [11] 11,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[53, 42], Operations: ['7+49=56', '98-56=42'] Exploring Operation: 53+42=95, Resulting Numbers: [95] 95,67 unequal: No Solution Exploring Operation: 53*42=2226, Resulting Numbers: [2226] 2226,67 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[98, 109], Operations: ['7+49=56', '53+56=109'] Exploring Operation: 109-98=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 98+109=207, Resulting Numbers: [207] 207,67 unequal: No Solution Exploring Operation: 98*109=10682, Resulting Numbers: [10682] 10682,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[53, 49, 91], Operations: ['98-7=91'] Exploring Operation: 53+49=102, Resulting Numbers: [91, 102] Generated Node #0,1,0: 67:[91, 102] Operation: 53+49=102 Exploring Operation: 91-49=42, Resulting Numbers: [53, 42] Generated Node #0,1,1: 67:[53, 42] Operation: 91-49=42 Exploring Operation: 91-53=38, Resulting Numbers: [49, 38] Generated Node #0,1,2: 67:[49, 38] Operation: 91-53=38 Moving to Node #0,1,1 Current State: 67:[53, 42], Operations: ['98-7=91', '91-49=42'] Exploring Operation: 53*42=2226, Resulting Numbers: [2226] 2226,67 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 53+42=95, Resulting Numbers: [95] 95,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[49, 38], Operations: ['98-7=91', '91-53=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,67 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[91, 102], Operations: ['98-7=91', '53+49=102'] Exploring Operation: 91+102=193, Resulting Numbers: [193] 193,67 unequal: No Solution Exploring Operation: 91*102=9282, Resulting Numbers: [9282] 9282,67 unequal: No Solution Exploring Operation: 102-91=11, Resulting Numbers: [11] 11,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[98, 49, 60], Operations: ['53+7=60'] Exploring Operation: 98-49=49, Resulting Numbers: [60, 49] Generated Node #0,2,0: 67:[60, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [60, 2] Generated Node #0,2,1: 67:[60, 2] Operation: 98/49=2 Exploring Operation: 98-60=38, Resulting Numbers: [49, 38] Generated Node #0,2,2: 67:[49, 38] Operation: 98-60=38 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[60, 49], Operations: ['53+7=60', '98-49=49'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,67 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[49, 38], Operations: ['53+7=60', '98-60=38'] Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,67 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[60, 2], Operations: ['53+7=60', '98/49=2'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 90, 5, 47, 45 ]
36
[ "90/5=18", "47-45=2", "18*2=36" ]
Current State: 36:[90, 5, 47, 45], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [47, 45, 18] Generated Node #2: [47, 45, 18] from Operation: 90/5=18 Current State: 36:[47, 45, 18], Operations: ['90/5=18'] Exploring Operation: 47-45=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 47-45=2 Current State: 36:[18, 2], Operations: ['90/5=18', '47-45=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[90, 5, 47, 45], Operations: [] Exploring Operation: 90-47=43, Resulting Numbers: [5, 45, 43] Generated Node #0,0: 36:[5, 45, 43] Operation: 90-47=43 Exploring Operation: 90/45=2, Resulting Numbers: [5, 47, 2] Generated Node #0,1: 36:[5, 47, 2] Operation: 90/45=2 Exploring Operation: 90/5=18, Resulting Numbers: [47, 45, 18] Generated Node #0,2: 36:[47, 45, 18] Operation: 90/5=18 Exploring Operation: 90-45=45, Resulting Numbers: [5, 47, 45] Generated Node #0,3: 36:[5, 47, 45] Operation: 90-45=45 Moving to Node #0,1 Current State: 36:[5, 47, 2], Operations: ['90/45=2'] Exploring Operation: 47-5=42, Resulting Numbers: [2, 42] Generated Node #0,1,0: 36:[2, 42] Operation: 47-5=42 Exploring Operation: 5-2=3, Resulting Numbers: [47, 3] Generated Node #0,1,1: 36:[47, 3] Operation: 5-2=3 Exploring Operation: 5+2=7, Resulting Numbers: [47, 7] Generated Node #0,1,2: 36:[47, 7] Operation: 5+2=7 Exploring Operation: 47-2=45, Resulting Numbers: [5, 45] Generated Node #0,1,3: 36:[5, 45] Operation: 47-2=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[2, 42], Operations: ['90/45=2', '47-5=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,36 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 36:[5, 45], Operations: ['90/45=2', '47-2=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 36:[47, 3], Operations: ['90/45=2', '5-2=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 47*3=141, Resulting Numbers: [141] 141,36 unequal: No Solution Exploring Operation: 47+3=50, Resulting Numbers: [50] 50,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 36:[47, 7], Operations: ['90/45=2', '5+2=7'] Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,36 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,36 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,36 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: 36:[5, 45, 43], Operations: ['90-47=43'] Exploring Operation: 45/5=9, Resulting Numbers: [43, 9] Generated Node #0,0,0: 36:[43, 9] Operation: 45/5=9 Exploring Operation: 45-43=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 36:[5, 2] Operation: 45-43=2 Exploring Operation: 45-5=40, Resulting Numbers: [43, 40] Generated Node #0,0,2: 36:[43, 40] Operation: 45-5=40 Exploring Operation: 43-5=38, Resulting Numbers: [45, 38] Generated Node #0,0,3: 36:[45, 38] Operation: 43-5=38 Moving to Node #0,2 Current State: 36:[47, 45, 18], Operations: ['90/5=18'] Exploring Operation: 47-45=2, Resulting Numbers: [18, 2] Generated Node #0,2,0: 36:[18, 2] Operation: 47-45=2 Exploring Operation: 45-18=27, Resulting Numbers: [47, 27] Generated Node #0,2,1: 36:[47, 27] Operation: 45-18=27 Exploring Operation: 47-18=29, Resulting Numbers: [45, 29] Generated Node #0,2,2: 36:[45, 29] Operation: 47-18=29 Exploring Operation: 47+18=65, Resulting Numbers: [45, 65] Generated Node #0,2,3: 36:[45, 65] Operation: 47+18=65 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[18, 2], Operations: ['90/5=18', '47-45=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[90, 5, 47, 45], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [47, 45, 18] Generated Node #0,2: 36:[47, 45, 18] Operation: 90/5=18 Moving to Node #0,2 Current State: 36:[47, 45, 18], Operations: ['90/5=18'] Exploring Operation: 47-45=2, Resulting Numbers: [18, 2] Generated Node #0,2,0: 36:[18, 2] Operation: 47-45=2 Moving to Node #0,2,0 Current State: 36:[18, 2], Operations: ['90/5=18', '47-45=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 2, 53, 51, 63 ]
46
[ "63-53=10", "10/2=5", "51-5=46" ]
Current State: 46:[2, 53, 51, 63], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [2, 51, 10] Generated Node #2: [2, 51, 10] from Operation: 63-53=10 Current State: 46:[2, 51, 10], Operations: ['63-53=10'] Exploring Operation: 10/2=5, Resulting Numbers: [51, 5] Generated Node #3: [51, 5] from Operation: 10/2=5 Current State: 46:[51, 5], Operations: ['63-53=10', '10/2=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[2, 53, 51, 63], Operations: [] Exploring Operation: 51-2=49, Resulting Numbers: [53, 63, 49] Generated Node #0,0: 46:[53, 63, 49] Operation: 51-2=49 Exploring Operation: 53-2=51, Resulting Numbers: [51, 63, 51] Generated Node #0,1: 46:[51, 63, 51] Operation: 53-2=51 Exploring Operation: 63-51=12, Resulting Numbers: [2, 53, 12] Generated Node #0,2: 46:[2, 53, 12] Operation: 63-51=12 Exploring Operation: 63-53=10, Resulting Numbers: [2, 51, 10] Generated Node #0,3: 46:[2, 51, 10] Operation: 63-53=10 Exploring Operation: 53-51=2, Resulting Numbers: [2, 63, 2] Generated Node #0,4: 46:[2, 63, 2] Operation: 53-51=2 Moving to Node #0,3 Current State: 46:[2, 51, 10], Operations: ['63-53=10'] Exploring Operation: 10/2=5, Resulting Numbers: [51, 5] Generated Node #0,3,0: 46:[51, 5] Operation: 10/2=5 Exploring Operation: 51-10=41, Resulting Numbers: [2, 41] Generated Node #0,3,1: 46:[2, 41] Operation: 51-10=41 Exploring Operation: 51-2=49, Resulting Numbers: [10, 49] Generated Node #0,3,2: 46:[10, 49] Operation: 51-2=49 Exploring Operation: 10-2=8, Resulting Numbers: [51, 8] Generated Node #0,3,3: 46:[51, 8] Operation: 10-2=8 Exploring Operation: 2*10=20, Resulting Numbers: [51, 20] Generated Node #0,3,4: 46:[51, 20] Operation: 2*10=20 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[2, 41], Operations: ['63-53=10', '51-10=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,46 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,46 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 #0,3,0 Current State: 46:[51, 5], Operations: ['63-53=10', '10/2=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[2, 53, 51, 63], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [2, 51, 10] Generated Node #0,3: 46:[2, 51, 10] Operation: 63-53=10 Moving to Node #0,3 Current State: 46:[2, 51, 10], Operations: ['63-53=10'] Exploring Operation: 10/2=5, Resulting Numbers: [51, 5] Generated Node #0,3,0: 46:[51, 5] Operation: 10/2=5 Moving to Node #0,3,0 Current State: 46:[51, 5], Operations: ['63-53=10', '10/2=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 34, 60, 38, 95 ]
83
[ "60-34=26", "95-38=57", "26+57=83" ]
Current State: 83:[34, 60, 38, 95], Operations: [] Exploring Operation: 60-34=26, Resulting Numbers: [38, 95, 26] Generated Node #2: [38, 95, 26] from Operation: 60-34=26 Current State: 83:[38, 95, 26], Operations: ['60-34=26'] Exploring Operation: 95-38=57, Resulting Numbers: [26, 57] Generated Node #3: [26, 57] from Operation: 95-38=57 Current State: 83:[26, 57], Operations: ['60-34=26', '95-38=57'] Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[34, 60, 38, 95], Operations: [] Exploring Operation: 34+38=72, Resulting Numbers: [60, 95, 72] Generated Node #0,0: 83:[60, 95, 72] Operation: 34+38=72 Moving to Node #0,0 Current State: 83:[60, 95, 72], Operations: ['34+38=72'] Exploring Operation: 95-60=35, Resulting Numbers: [72, 35] Generated Node #0,0,0: 83:[72, 35] Operation: 95-60=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[72, 35], Operations: ['34+38=72', '95-60=35'] Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 46, 83, 72, 41 ]
76
[ "83-46=37", "72+41=113", "113-37=76" ]
Current State: 76:[46, 83, 72, 41], Operations: [] Exploring Operation: 83-46=37, Resulting Numbers: [72, 41, 37] Generated Node #2: [72, 41, 37] from Operation: 83-46=37 Current State: 76:[72, 41, 37], Operations: ['83-46=37'] Exploring Operation: 72+41=113, Resulting Numbers: [37, 113] Generated Node #3: [37, 113] from Operation: 72+41=113 Current State: 76:[37, 113], Operations: ['83-46=37', '72+41=113'] Exploring Operation: 113-37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[46, 83, 72, 41], Operations: [] Exploring Operation: 83-46=37, Resulting Numbers: [72, 41, 37] Generated Node #0,0: 76:[72, 41, 37] Operation: 83-46=37 Exploring Operation: 83-41=42, Resulting Numbers: [46, 72, 42] Generated Node #0,1: 76:[46, 72, 42] Operation: 83-41=42 Exploring Operation: 46-41=5, Resulting Numbers: [83, 72, 5] Generated Node #0,2: 76:[83, 72, 5] Operation: 46-41=5 Moving to Node #0,0 Current State: 76:[72, 41, 37], Operations: ['83-46=37'] Exploring Operation: 41-37=4, Resulting Numbers: [72, 4] Generated Node #0,0,0: 76:[72, 4] Operation: 41-37=4 Exploring Operation: 72-37=35, Resulting Numbers: [41, 35] Generated Node #0,0,1: 76:[41, 35] Operation: 72-37=35 Exploring Operation: 41+37=78, Resulting Numbers: [72, 78] Generated Node #0,0,2: 76:[72, 78] Operation: 41+37=78 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[72, 4], Operations: ['83-46=37', '41-37=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,76 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[46, 83, 72, 41], Operations: [] Exploring Operation: 83-46=37, Resulting Numbers: [72, 41, 37] Generated Node #0,0: 76:[72, 41, 37] Operation: 83-46=37 Moving to Node #0,0 Current State: 76:[72, 41, 37], Operations: ['83-46=37'] Exploring Operation: 41-37=4, Resulting Numbers: [72, 4] Generated Node #0,0,0: 76:[72, 4] Operation: 41-37=4 Moving to Node #0,0,0 Current State: 76:[72, 4], Operations: ['83-46=37', '41-37=4'] Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 96, 8, 93, 74 ]
22
[ "96-93=3", "74-8=66", "66/3=22" ]
Current State: 22:[96, 8, 93, 74], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [8, 74, 3] Generated Node #2: [8, 74, 3] from Operation: 96-93=3 Current State: 22:[8, 74, 3], Operations: ['96-93=3'] Exploring Operation: 74-8=66, Resulting Numbers: [3, 66] Generated Node #3: [3, 66] from Operation: 74-8=66 Current State: 22:[3, 66], Operations: ['96-93=3', '74-8=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[96, 8, 93, 74], Operations: [] Exploring Operation: 96-74=22, Resulting Numbers: [8, 93, 22] Generated Node #0,0: 22:[8, 93, 22] Operation: 96-74=22 Exploring Operation: 96-93=3, Resulting Numbers: [8, 74, 3] Generated Node #0,1: 22:[8, 74, 3] Operation: 96-93=3 Exploring Operation: 96/8=12, Resulting Numbers: [93, 74, 12] Generated Node #0,2: 22:[93, 74, 12] Operation: 96/8=12 Exploring Operation: 96-8=88, Resulting Numbers: [93, 74, 88] Generated Node #0,3: 22:[93, 74, 88] Operation: 96-8=88 Exploring Operation: 93-74=19, Resulting Numbers: [96, 8, 19] Generated Node #0,4: 22:[96, 8, 19] Operation: 93-74=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[8, 74, 3], Operations: ['96-93=3'] Exploring Operation: 8-3=5, Resulting Numbers: [74, 5] Generated Node #0,1,0: 22:[74, 5] Operation: 8-3=5 Exploring Operation: 74-3=71, Resulting Numbers: [8, 71] Generated Node #0,1,1: 22:[8, 71] Operation: 74-3=71 Exploring Operation: 8+3=11, Resulting Numbers: [74, 11] Generated Node #0,1,2: 22:[74, 11] Operation: 8+3=11 Exploring Operation: 8*3=24, Resulting Numbers: [74, 24] Generated Node #0,1,3: 22:[74, 24] Operation: 8*3=24 Exploring Operation: 74-8=66, Resulting Numbers: [3, 66] Generated Node #0,1,4: 22:[3, 66] Operation: 74-8=66 Moving to Node #0,1,4 Current State: 22:[3, 66], Operations: ['96-93=3', '74-8=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[96, 8, 93, 74], Operations: [] Exploring Operation: 96-93=3, Resulting Numbers: [8, 74, 3] Generated Node #0,1: 22:[8, 74, 3] Operation: 96-93=3 Moving to Node #0,1 Current State: 22:[8, 74, 3], Operations: ['96-93=3'] Exploring Operation: 74-8=66, Resulting Numbers: [3, 66] Generated Node #0,1,4: 22:[3, 66] Operation: 74-8=66 Moving to Node #0,1,4 Current State: 22:[3, 66], Operations: ['96-93=3', '74-8=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 14, 36, 19, 38 ]
47
[ "38-36=2", "14*2=28", "19+28=47" ]
Current State: 47:[14, 36, 19, 38], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [14, 19, 2] Generated Node #2: [14, 19, 2] from Operation: 38-36=2 Current State: 47:[14, 19, 2], Operations: ['38-36=2'] Exploring Operation: 14*2=28, Resulting Numbers: [19, 28] Generated Node #3: [19, 28] from Operation: 14*2=28 Current State: 47:[19, 28], Operations: ['38-36=2', '14*2=28'] Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[14, 36, 19, 38], Operations: [] Exploring Operation: 14+19=33, Resulting Numbers: [36, 38, 33] Generated Node #0,0: 47:[36, 38, 33] Operation: 14+19=33 Moving to Node #0,0 Current State: 47:[36, 38, 33], Operations: ['14+19=33'] Exploring Operation: 36+33=69, Resulting Numbers: [38, 69] Generated Node #0,0,0: 47:[38, 69] Operation: 36+33=69 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[38, 69], Operations: ['14+19=33', '36+33=69'] Exploring Operation: 69-38=31, Resulting Numbers: [31] 31,47 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
[ 18, 62, 16, 32 ]
82
[ "18+62=80", "32/16=2", "80+2=82" ]
Current State: 82:[18, 62, 16, 32], Operations: [] Exploring Operation: 18+62=80, Resulting Numbers: [16, 32, 80] Generated Node #2: [16, 32, 80] from Operation: 18+62=80 Current State: 82:[16, 32, 80], Operations: ['18+62=80'] Exploring Operation: 32/16=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 32/16=2 Current State: 82:[80, 2], Operations: ['18+62=80', '32/16=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[18, 62, 16, 32], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [16, 32, 44] Generated Node #0,0: 82:[16, 32, 44] Operation: 62-18=44 Exploring Operation: 18+62=80, Resulting Numbers: [16, 32, 80] Generated Node #0,1: 82:[16, 32, 80] Operation: 18+62=80 Exploring Operation: 18-16=2, Resulting Numbers: [62, 32, 2] Generated Node #0,2: 82:[62, 32, 2] Operation: 18-16=2 Exploring Operation: 62-16=46, Resulting Numbers: [18, 32, 46] Generated Node #0,3: 82:[18, 32, 46] Operation: 62-16=46 Exploring Operation: 62+16=78, Resulting Numbers: [18, 32, 78] Generated Node #0,4: 82:[18, 32, 78] Operation: 62+16=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[16, 32, 80], Operations: ['18+62=80'] Exploring Operation: 80/16=5, Resulting Numbers: [32, 5] Generated Node #0,1,0: 82:[32, 5] Operation: 80/16=5 Exploring Operation: 32/16=2, Resulting Numbers: [80, 2] Generated Node #0,1,1: 82:[80, 2] Operation: 32/16=2 Exploring Operation: 80-32=48, Resulting Numbers: [16, 48] Generated Node #0,1,2: 82:[16, 48] Operation: 80-32=48 Exploring Operation: 32-16=16, Resulting Numbers: [80, 16] Generated Node #0,1,3: 82:[80, 16] Operation: 32-16=16 Exploring Operation: 16+32=48, Resulting Numbers: [80, 48] Generated Node #0,1,4: 82:[80, 48] Operation: 16+32=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[80, 2], Operations: ['18+62=80', '32/16=2'] Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,82 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[18, 62, 16, 32], Operations: [] Exploring Operation: 18+62=80, Resulting Numbers: [16, 32, 80] Generated Node #0,1: 82:[16, 32, 80] Operation: 18+62=80 Moving to Node #0,1 Current State: 82:[16, 32, 80], Operations: ['18+62=80'] Exploring Operation: 32/16=2, Resulting Numbers: [80, 2] Generated Node #0,1,1: 82:[80, 2] Operation: 32/16=2 Moving to Node #0,1,1 Current State: 82:[80, 2], Operations: ['18+62=80', '32/16=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 21, 14, 90, 34 ]
26
[ "14*90=1260", "1260/21=60", "60-34=26" ]
Current State: 26:[21, 14, 90, 34], Operations: [] Exploring Operation: 14*90=1260, Resulting Numbers: [21, 34, 1260] Generated Node #2: [21, 34, 1260] from Operation: 14*90=1260 Current State: 26:[21, 34, 1260], Operations: ['14*90=1260'] Exploring Operation: 1260/21=60, Resulting Numbers: [34, 60] Generated Node #3: [34, 60] from Operation: 1260/21=60 Current State: 26:[34, 60], Operations: ['14*90=1260', '1260/21=60'] Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[21, 14, 90, 34], Operations: [] Exploring Operation: 90-34=56, Resulting Numbers: [21, 14, 56] Generated Node #0,0: 26:[21, 14, 56] Operation: 90-34=56 Exploring Operation: 90-21=69, Resulting Numbers: [14, 34, 69] Generated Node #0,1: 26:[14, 34, 69] Operation: 90-21=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[21, 14, 56], Operations: ['90-34=56'] Exploring Operation: 56/14=4, Resulting Numbers: [21, 4] Generated Node #0,0,0: 26:[21, 4] Operation: 56/14=4 Exploring Operation: 56-21=35, Resulting Numbers: [14, 35] Generated Node #0,0,1: 26:[14, 35] Operation: 56-21=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[21, 4], Operations: ['90-34=56', '56/14=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[14, 35], Operations: ['90-34=56', '56-21=35'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[14, 34, 69], Operations: ['90-21=69'] Exploring Operation: 69-14=55, Resulting Numbers: [34, 55] Generated Node #0,1,0: 26:[34, 55] Operation: 69-14=55 Exploring Operation: 69-34=35, Resulting Numbers: [14, 35] Generated Node #0,1,1: 26:[14, 35] Operation: 69-34=35 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[14, 35], Operations: ['90-21=69', '69-34=35'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[34, 55], Operations: ['90-21=69', '69-14=55'] Exploring Operation: 34+55=89, Resulting Numbers: [89] 89,26 unequal: No Solution Exploring Operation: 55-34=21, Resulting Numbers: [21] 21,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic