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
[ 54, 46, 76, 30 ]
38
[ "54-46=8", "76-30=46", "46-8=38" ]
Current State: 38:[54, 46, 76, 30], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [76, 30, 8] Generated Node #2: [76, 30, 8] from Operation: 54-46=8 Current State: 38:[76, 30, 8], Operations: ['54-46=8'] Exploring Operation: 76-30=46, Resulting Numbers: [8, 46] Generated Node #3: [8, 46] from Operation: 76-30=46 Current State: 38:[8, 46], Operations: ['54-46=8', '76-30=46'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[54, 46, 76, 30], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [76, 30, 8] Generated Node #0,0: 38:[76, 30, 8] Operation: 54-46=8 Exploring Operation: 76-54=22, Resulting Numbers: [46, 30, 22] Generated Node #0,1: 38:[46, 30, 22] Operation: 76-54=22 Exploring Operation: 76-46=30, Resulting Numbers: [54, 30, 30] Generated Node #0,2: 38:[54, 30, 30] Operation: 76-46=30 Exploring Operation: 54-30=24, Resulting Numbers: [46, 76, 24] Generated Node #0,3: 38:[46, 76, 24] Operation: 54-30=24 Exploring Operation: 76-30=46, Resulting Numbers: [54, 46, 46] Generated Node #0,4: 38:[54, 46, 46] Operation: 76-30=46 Moving to Node #0,1 Current State: 38:[46, 30, 22], Operations: ['76-54=22'] Exploring Operation: 30+22=52, Resulting Numbers: [46, 52] Generated Node #0,1,0: 38:[46, 52] Operation: 30+22=52 Exploring Operation: 46+22=68, Resulting Numbers: [30, 68] Generated Node #0,1,1: 38:[30, 68] Operation: 46+22=68 Exploring Operation: 46-30=16, Resulting Numbers: [22, 16] Generated Node #0,1,2: 38:[22, 16] Operation: 46-30=16 Exploring Operation: 46-22=24, Resulting Numbers: [30, 24] Generated Node #0,1,3: 38:[30, 24] Operation: 46-22=24 Exploring Operation: 30-22=8, Resulting Numbers: [46, 8] Generated Node #0,1,4: 38:[46, 8] Operation: 30-22=8 Moving to Node #0,4 Current State: 38:[54, 46, 46], Operations: ['76-30=46'] Exploring Operation: 54-46=8, Resulting Numbers: [46, 8] Generated Node #0,4,0: 38:[46, 8] Operation: 54-46=8 Exploring Operation: 46-46=0, Resulting Numbers: [54, 0] Generated Node #0,4,1: 38:[54, 0] Operation: 46-46=0 Exploring Operation: 54+46=100, Resulting Numbers: [46, 100] Generated Node #0,4,2: 38:[46, 100] Operation: 54+46=100 Exploring Operation: 54-46=8, Resulting Numbers: [46, 8] Generated Node #0,4,3: 38:[46, 8] Operation: 54-46=8 Exploring Operation: 46/46=1, Resulting Numbers: [54, 1] Generated Node #0,4,4: 38:[54, 1] Operation: 46/46=1 Moving to Node #0,2 Current State: 38:[54, 30, 30], Operations: ['76-46=30'] Exploring Operation: 54-30=24, Resulting Numbers: [30, 24] Generated Node #0,2,0: 38:[30, 24] Operation: 54-30=24 Exploring Operation: 30/30=1, Resulting Numbers: [54, 1] Generated Node #0,2,1: 38:[54, 1] Operation: 30/30=1 Exploring Operation: 30-30=0, Resulting Numbers: [54, 0] Generated Node #0,2,2: 38:[54, 0] Operation: 30-30=0 Exploring Operation: 54-30=24, Resulting Numbers: [30, 24] Generated Node #0,2,3: 38:[30, 24] Operation: 54-30=24 Exploring Operation: 30+30=60, Resulting Numbers: [54, 60] Generated Node #0,2,4: 38:[54, 60] Operation: 30+30=60 Moving to Node #0,3 Current State: 38:[46, 76, 24], Operations: ['54-30=24'] Exploring Operation: 76-46=30, Resulting Numbers: [24, 30] Generated Node #0,3,0: 38:[24, 30] Operation: 76-46=30 Exploring Operation: 46+24=70, Resulting Numbers: [76, 70] Generated Node #0,3,1: 38:[76, 70] Operation: 46+24=70 Exploring Operation: 76-24=52, Resulting Numbers: [46, 52] Generated Node #0,3,2: 38:[46, 52] Operation: 76-24=52 Exploring Operation: 46-24=22, Resulting Numbers: [76, 22] Generated Node #0,3,3: 38:[76, 22] Operation: 46-24=22 Exploring Operation: 76+24=100, Resulting Numbers: [46, 100] Generated Node #0,3,4: 38:[46, 100] Operation: 76+24=100 Moving to Node #0,0 Current State: 38:[76, 30, 8], Operations: ['54-46=8'] Exploring Operation: 76+8=84, Resulting Numbers: [30, 84] Generated Node #0,0,0: 38:[30, 84] Operation: 76+8=84 Exploring Operation: 76-8=68, Resulting Numbers: [30, 68] Generated Node #0,0,1: 38:[30, 68] Operation: 76-8=68 Exploring Operation: 30+8=38, Resulting Numbers: [76, 38] Generated Node #0,0,2: 38:[76, 38] Operation: 30+8=38 Exploring Operation: 30-8=22, Resulting Numbers: [76, 22] Generated Node #0,0,3: 38:[76, 22] Operation: 30-8=22 Exploring Operation: 76-30=46, Resulting Numbers: [8, 46] Generated Node #0,0,4: 38:[8, 46] Operation: 76-30=46 Moving to Node #0,1,2 Current State: 38:[22, 16], Operations: ['76-54=22', '46-30=16'] Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,38 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[54, 46, 76, 30], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [46, 30, 22] Generated Node #0,1: 38:[46, 30, 22] Operation: 76-54=22 Moving to Node #0,1 Current State: 38:[46, 30, 22], Operations: ['76-54=22'] Exploring Operation: 46-30=16, Resulting Numbers: [22, 16] Generated Node #0,1,2: 38:[22, 16] Operation: 46-30=16 Moving to Node #0,1,2 Current State: 38:[22, 16], Operations: ['76-54=22', '46-30=16'] Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.96875
hs_5
sum_heuristic
[ 8, 52, 53, 9 ]
44
[ "8*53=424", "52*9=468", "468-424=44" ]
Current State: 44:[8, 52, 53, 9], Operations: [] Exploring Operation: 8*53=424, Resulting Numbers: [52, 9, 424] Generated Node #2: [52, 9, 424] from Operation: 8*53=424 Current State: 44:[52, 9, 424], Operations: ['8*53=424'] Exploring Operation: 52*9=468, Resulting Numbers: [424, 468] Generated Node #3: [424, 468] from Operation: 52*9=468 Current State: 44:[424, 468], Operations: ['8*53=424', '52*9=468'] Exploring Operation: 468-424=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[8, 52, 53, 9], Operations: [] Exploring Operation: 53-9=44, Resulting Numbers: [8, 52, 44] Generated Node #0,0: 44:[8, 52, 44] Operation: 53-9=44 Exploring Operation: 52-9=43, Resulting Numbers: [8, 53, 43] Generated Node #0,1: 44:[8, 53, 43] Operation: 52-9=43 Exploring Operation: 53-8=45, Resulting Numbers: [52, 9, 45] Generated Node #0,2: 44:[52, 9, 45] Operation: 53-8=45 Exploring Operation: 53-52=1, Resulting Numbers: [8, 9, 1] Generated Node #0,3: 44:[8, 9, 1] Operation: 53-52=1 Exploring Operation: 52-8=44, Resulting Numbers: [53, 9, 44] Generated Node #0,4: 44:[53, 9, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[8, 9, 1], Operations: ['53-52=1'] Exploring Operation: 9+1=10, Resulting Numbers: [8, 10] Generated Node #0,3,0: 44:[8, 10] Operation: 9+1=10 Exploring Operation: 8-1=7, Resulting Numbers: [9, 7] Generated Node #0,3,1: 44:[9, 7] Operation: 8-1=7 Exploring Operation: 9-8=1, Resulting Numbers: [1, 1] Generated Node #0,3,2: 44:[1, 1] Operation: 9-8=1 Exploring Operation: 8+1=9, Resulting Numbers: [9, 9] Generated Node #0,3,3: 44:[9, 9] Operation: 8+1=9 Exploring Operation: 8*1=8, Resulting Numbers: [9, 8] Generated Node #0,3,4: 44:[9, 8] Operation: 8*1=8 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 44:[1, 1], Operations: ['53-52=1', '9-8=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 1-1=0, Resulting Numbers: [0] 0,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[8, 10], Operations: ['53-52=1', '9+1=10'] Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 44:[9, 9], Operations: ['53-52=1', '8+1=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 44:[9, 7], Operations: ['53-52=1', '8-1=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,44 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 44:[9, 8], Operations: ['53-52=1', '8*1=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,44 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[8, 52, 44], Operations: ['53-9=44'] Exploring Operation: 52-8=44, Resulting Numbers: [44, 44] Generated Node #0,0,0: 44:[44, 44] Operation: 52-8=44 Exploring Operation: 8+52=60, Resulting Numbers: [44, 60] Generated Node #0,0,1: 44:[44, 60] Operation: 8+52=60 Exploring Operation: 52-44=8, Resulting Numbers: [8, 8] Generated Node #0,0,2: 44:[8, 8] Operation: 52-44=8 Exploring Operation: 8+44=52, Resulting Numbers: [52, 52] Generated Node #0,0,3: 44:[52, 52] Operation: 8+44=52 Exploring Operation: 44-8=36, Resulting Numbers: [52, 36] Generated Node #0,0,4: 44:[52, 36] Operation: 44-8=36 Moving to Node #0,0,0 Current State: 44:[44, 44], Operations: ['53-9=44', '52-8=44'] Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[8, 8], Operations: ['53-9=44', '52-44=8'] Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,44 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[44, 60], Operations: ['53-9=44', '8+52=60'] Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,44 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[52, 52], Operations: ['53-9=44', '8+44=52'] Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 52*52=2704, Resulting Numbers: [2704] 2704,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[52, 36], Operations: ['53-9=44', '44-8=36'] Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,44 unequal: No Solution Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,44 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:[52, 9, 45], Operations: ['53-8=45'] Exploring Operation: 52-45=7, Resulting Numbers: [9, 7] Generated Node #0,2,0: 44:[9, 7] Operation: 52-45=7 Exploring Operation: 52-9=43, Resulting Numbers: [45, 43] Generated Node #0,2,1: 44:[45, 43] Operation: 52-9=43 Exploring Operation: 45/9=5, Resulting Numbers: [52, 5] Generated Node #0,2,2: 44:[52, 5] Operation: 45/9=5 Exploring Operation: 45-9=36, Resulting Numbers: [52, 36] Generated Node #0,2,3: 44:[52, 36] Operation: 45-9=36 Exploring Operation: 52+9=61, Resulting Numbers: [45, 61] Generated Node #0,2,4: 44:[45, 61] Operation: 52+9=61 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[45, 43], Operations: ['53-8=45', '52-9=43'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,44 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:[9, 7], Operations: ['53-8=45', '52-45=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[52, 5], Operations: ['53-8=45', '45/9=5'] Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,44 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 44:[52, 36], Operations: ['53-8=45', '45-9=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 44:[45, 61], Operations: ['53-8=45', '52+9=61'] Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,44 unequal: No Solution Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,44 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 44:[53, 9, 44], Operations: ['52-8=44'] Exploring Operation: 53+9=62, Resulting Numbers: [44, 62] Generated Node #0,4,0: 44:[44, 62] Operation: 53+9=62 Exploring Operation: 9+44=53, Resulting Numbers: [53, 53] Generated Node #0,4,1: 44:[53, 53] Operation: 9+44=53 Exploring Operation: 53-9=44, Resulting Numbers: [44, 44] Generated Node #0,4,2: 44:[44, 44] Operation: 53-9=44 Exploring Operation: 53-44=9, Resulting Numbers: [9, 9] Generated Node #0,4,3: 44:[9, 9] Operation: 53-44=9 Exploring Operation: 44-9=35, Resulting Numbers: [53, 35] Generated Node #0,4,4: 44:[53, 35] Operation: 44-9=35 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 44:[44, 44], Operations: ['52-8=44', '53-9=44'] Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,44 unequal: No Solution Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 44:[9, 9], Operations: ['52-8=44', '53-44=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 44:[44, 62], Operations: ['52-8=44', '53+9=62'] Exploring Operation: 44*62=2728, Resulting Numbers: [2728] 2728,44 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 44+62=106, Resulting Numbers: [106] 106,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 44:[53, 53], Operations: ['52-8=44', '9+44=53'] Exploring Operation: 53+53=106, Resulting Numbers: [106] 106,44 unequal: No Solution Exploring Operation: 53-53=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 53*53=2809, Resulting Numbers: [2809] 2809,44 unequal: No Solution Exploring Operation: 53/53=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 44:[53, 35], Operations: ['52-8=44', '44-9=35'] Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[8, 53, 43], Operations: ['52-9=43'] Exploring Operation: 53-43=10, Resulting Numbers: [8, 10] Generated Node #0,1,0: 44:[8, 10] Operation: 53-43=10 Exploring Operation: 53-8=45, Resulting Numbers: [43, 45] Generated Node #0,1,1: 44:[43, 45] Operation: 53-8=45 Exploring Operation: 8+43=51, Resulting Numbers: [53, 51] Generated Node #0,1,2: 44:[53, 51] Operation: 8+43=51 Exploring Operation: 43-8=35, Resulting Numbers: [53, 35] Generated Node #0,1,3: 44:[53, 35] Operation: 43-8=35 Exploring Operation: 8+53=61, Resulting Numbers: [43, 61] Generated Node #0,1,4: 44:[43, 61] Operation: 8+53=61 Moving to Node #0,1,1 Current State: 44:[43, 45], Operations: ['52-9=43', '53-8=45'] Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,44 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[8, 10], Operations: ['52-9=43', '53-43=10'] Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,44 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[53, 51], Operations: ['52-9=43', '8+43=51'] Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,44 unequal: No Solution Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[53, 35], Operations: ['52-9=43', '43-8=35'] Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,44 unequal: No Solution Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[43, 61], Operations: ['52-9=43', '8+53=61'] Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,44 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,44 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 55, 82, 76, 34 ]
83
[ "82-55=27", "76+34=110", "110-27=83" ]
Current State: 83:[55, 82, 76, 34], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [76, 34, 27] Generated Node #2: [76, 34, 27] from Operation: 82-55=27 Current State: 83:[76, 34, 27], Operations: ['82-55=27'] Exploring Operation: 76+34=110, Resulting Numbers: [27, 110] Generated Node #3: [27, 110] from Operation: 76+34=110 Current State: 83:[27, 110], Operations: ['82-55=27', '76+34=110'] Exploring Operation: 110-27=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[55, 82, 76, 34], Operations: [] Exploring Operation: 55+34=89, Resulting Numbers: [82, 76, 89] Generated Node #0,0: 83:[82, 76, 89] Operation: 55+34=89 Exploring Operation: 76+34=110, Resulting Numbers: [55, 82, 110] Generated Node #0,1: 83:[55, 82, 110] Operation: 76+34=110 Exploring Operation: 82+34=116, Resulting Numbers: [55, 76, 116] Generated Node #0,2: 83:[55, 76, 116] Operation: 82+34=116 Exploring Operation: 55-34=21, Resulting Numbers: [82, 76, 21] Generated Node #0,3: 83:[82, 76, 21] Operation: 55-34=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[82, 76, 89], Operations: ['55+34=89'] Exploring Operation: 89-76=13, Resulting Numbers: [82, 13] Generated Node #0,0,0: 83:[82, 13] Operation: 89-76=13 Exploring Operation: 82+76=158, Resulting Numbers: [89, 158] Generated Node #0,0,1: 83:[89, 158] Operation: 82+76=158 Exploring Operation: 82-76=6, Resulting Numbers: [89, 6] Generated Node #0,0,2: 83:[89, 6] Operation: 82-76=6 Exploring Operation: 89-82=7, Resulting Numbers: [76, 7] Generated Node #0,0,3: 83:[76, 7] Operation: 89-82=7 Moving to Node #0,0,0 Current State: 83:[82, 13], Operations: ['55+34=89', '89-76=13'] Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,83 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,83 unequal: No Solution Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[89, 158], Operations: ['55+34=89', '82+76=158'] Exploring Operation: 89+158=247, Resulting Numbers: [247] 247,83 unequal: No Solution Exploring Operation: 89*158=14062, Resulting Numbers: [14062] 14062,83 unequal: No Solution Exploring Operation: 158-89=69, Resulting Numbers: [69] 69,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[76, 7], Operations: ['55+34=89', '89-82=7'] Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[55, 82, 76, 34], Operations: [] Exploring Operation: 55+34=89, Resulting Numbers: [82, 76, 89] Generated Node #0,0: 83:[82, 76, 89] Operation: 55+34=89 Moving to Node #0,0 Current State: 83:[82, 76, 89], Operations: ['55+34=89'] Exploring Operation: 89-82=7, Resulting Numbers: [76, 7] Generated Node #0,0,3: 83:[76, 7] Operation: 89-82=7 Moving to Node #0,0,3 Current State: 83:[76, 7], Operations: ['55+34=89', '89-82=7'] Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 20, 74, 5, 13 ]
65
[ "20/5=4", "74-13=61", "4+61=65" ]
Current State: 65:[20, 74, 5, 13], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [74, 13, 4] Generated Node #2: [74, 13, 4] from Operation: 20/5=4 Current State: 65:[74, 13, 4], Operations: ['20/5=4'] Exploring Operation: 74-13=61, Resulting Numbers: [4, 61] Generated Node #3: [4, 61] from Operation: 74-13=61 Current State: 65:[4, 61], Operations: ['20/5=4', '74-13=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[20, 74, 5, 13], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [74, 13, 4] Generated Node #0,0: 65:[74, 13, 4] Operation: 20/5=4 Exploring Operation: 74-20=54, Resulting Numbers: [5, 13, 54] Generated Node #0,1: 65:[5, 13, 54] Operation: 74-20=54 Moving to Node #0,0 Current State: 65:[74, 13, 4], Operations: ['20/5=4'] Exploring Operation: 74-4=70, Resulting Numbers: [13, 70] Generated Node #0,0,0: 65:[13, 70] Operation: 74-4=70 Exploring Operation: 74-13=61, Resulting Numbers: [4, 61] Generated Node #0,0,1: 65:[4, 61] Operation: 74-13=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[13, 70], Operations: ['20/5=4', '74-4=70'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,65 unequal: No Solution Exploring Operation: 13+70=83, Resulting Numbers: [83] 83,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[4, 61], Operations: ['20/5=4', '74-13=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[20, 74, 5, 13], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [74, 13, 4] Generated Node #0,0: 65:[74, 13, 4] Operation: 20/5=4 Moving to Node #0,0 Current State: 65:[74, 13, 4], Operations: ['20/5=4'] Exploring Operation: 74-13=61, Resulting Numbers: [4, 61] Generated Node #0,0,1: 65:[4, 61] Operation: 74-13=61 Moving to Node #0,0,1 Current State: 65:[4, 61], Operations: ['20/5=4', '74-13=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 85, 65, 44, 87 ]
42
[ "87-85=2", "65-44=21", "2*21=42" ]
Current State: 42:[85, 65, 44, 87], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [65, 44, 2] Generated Node #2: [65, 44, 2] from Operation: 87-85=2 Current State: 42:[65, 44, 2], Operations: ['87-85=2'] Exploring Operation: 65-44=21, Resulting Numbers: [2, 21] Generated Node #3: [2, 21] from Operation: 65-44=21 Current State: 42:[2, 21], Operations: ['87-85=2', '65-44=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[85, 65, 44, 87], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [44, 87, 20] Generated Node #0,0: 42:[44, 87, 20] Operation: 85-65=20 Exploring Operation: 87-85=2, Resulting Numbers: [65, 44, 2] Generated Node #0,1: 42:[65, 44, 2] Operation: 87-85=2 Exploring Operation: 87-65=22, Resulting Numbers: [85, 44, 22] Generated Node #0,2: 42:[85, 44, 22] Operation: 87-65=22 Moving to Node #0,1 Current State: 42:[65, 44, 2], Operations: ['87-85=2'] Exploring Operation: 65-2=63, Resulting Numbers: [44, 63] Generated Node #0,1,0: 42:[44, 63] Operation: 65-2=63 Exploring Operation: 65-44=21, Resulting Numbers: [2, 21] Generated Node #0,1,1: 42:[2, 21] Operation: 65-44=21 Exploring Operation: 44-2=42, Resulting Numbers: [65, 42] Generated Node #0,1,2: 42:[65, 42] Operation: 44-2=42 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[2, 21], Operations: ['87-85=2', '65-44=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[85, 65, 44, 87], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [65, 44, 2] Generated Node #0,1: 42:[65, 44, 2] Operation: 87-85=2 Moving to Node #0,1 Current State: 42:[65, 44, 2], Operations: ['87-85=2'] Exploring Operation: 65-44=21, Resulting Numbers: [2, 21] Generated Node #0,1,1: 42:[2, 21] Operation: 65-44=21 Moving to Node #0,1,1 Current State: 42:[2, 21], Operations: ['87-85=2', '65-44=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 23, 48, 4, 47 ]
28
[ "23+48=71", "47-4=43", "71-43=28" ]
Current State: 28:[23, 48, 4, 47], Operations: [] Exploring Operation: 23+48=71, Resulting Numbers: [4, 47, 71] Generated Node #2: [4, 47, 71] from Operation: 23+48=71 Current State: 28:[4, 47, 71], Operations: ['23+48=71'] Exploring Operation: 47-4=43, Resulting Numbers: [71, 43] Generated Node #3: [71, 43] from Operation: 47-4=43 Current State: 28:[71, 43], Operations: ['23+48=71', '47-4=43'] Exploring Operation: 71-43=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[23, 48, 4, 47], Operations: [] Exploring Operation: 48-23=25, Resulting Numbers: [4, 47, 25] Generated Node #0,0: 28:[4, 47, 25] Operation: 48-23=25 Exploring Operation: 48-47=1, Resulting Numbers: [23, 4, 1] Generated Node #0,1: 28:[23, 4, 1] Operation: 48-47=1 Exploring Operation: 47-23=24, Resulting Numbers: [48, 4, 24] Generated Node #0,2: 28:[48, 4, 24] Operation: 47-23=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[23, 4, 1], Operations: ['48-47=1'] Exploring Operation: 23*1=23, Resulting Numbers: [4, 23] Generated Node #0,1,0: 28:[4, 23] Operation: 23*1=23 Exploring Operation: 23+4=27, Resulting Numbers: [1, 27] Generated Node #0,1,1: 28:[1, 27] Operation: 23+4=27 Exploring Operation: 23+1=24, Resulting Numbers: [4, 24] Generated Node #0,1,2: 28:[4, 24] Operation: 23+1=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[1, 27], Operations: ['48-47=1', '23+4=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[23, 48, 4, 47], Operations: [] Exploring Operation: 48-47=1, Resulting Numbers: [23, 4, 1] Generated Node #0,1: 28:[23, 4, 1] Operation: 48-47=1 Moving to Node #0,1 Current State: 28:[23, 4, 1], Operations: ['48-47=1'] Exploring Operation: 23+4=27, Resulting Numbers: [1, 27] Generated Node #0,1,1: 28:[1, 27] Operation: 23+4=27 Moving to Node #0,1,1 Current State: 28:[1, 27], Operations: ['48-47=1', '23+4=27'] Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 70, 2, 22, 13 ]
63
[ "70+2=72", "22-13=9", "72-9=63" ]
Current State: 63:[70, 2, 22, 13], Operations: [] Exploring Operation: 70+2=72, Resulting Numbers: [22, 13, 72] Generated Node #2: [22, 13, 72] from Operation: 70+2=72 Current State: 63:[22, 13, 72], Operations: ['70+2=72'] Exploring Operation: 22-13=9, Resulting Numbers: [72, 9] Generated Node #3: [72, 9] from Operation: 22-13=9 Current State: 63:[72, 9], Operations: ['70+2=72', '22-13=9'] Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[70, 2, 22, 13], Operations: [] Exploring Operation: 70-2=68, Resulting Numbers: [22, 13, 68] Generated Node #0,0: 63:[22, 13, 68] Operation: 70-2=68 Exploring Operation: 22-13=9, Resulting Numbers: [70, 2, 9] Generated Node #0,1: 63:[70, 2, 9] Operation: 22-13=9 Exploring Operation: 70-13=57, Resulting Numbers: [2, 22, 57] Generated Node #0,2: 63:[2, 22, 57] Operation: 70-13=57 Moving to Node #0,1 Current State: 63:[70, 2, 9], Operations: ['22-13=9'] Exploring Operation: 70-2=68, Resulting Numbers: [9, 68] Generated Node #0,1,0: 63:[9, 68] Operation: 70-2=68 Exploring Operation: 9-2=7, Resulting Numbers: [70, 7] Generated Node #0,1,1: 63:[70, 7] Operation: 9-2=7 Exploring Operation: 70-9=61, Resulting Numbers: [2, 61] Generated Node #0,1,2: 63:[2, 61] Operation: 70-9=61 Moving to Node #0,2 Current State: 63:[2, 22, 57], Operations: ['70-13=57'] Exploring Operation: 22/2=11, Resulting Numbers: [57, 11] Generated Node #0,2,0: 63:[57, 11] Operation: 22/2=11 Exploring Operation: 2+57=59, Resulting Numbers: [22, 59] Generated Node #0,2,1: 63:[22, 59] Operation: 2+57=59 Exploring Operation: 22-2=20, Resulting Numbers: [57, 20] Generated Node #0,2,2: 63:[57, 20] Operation: 22-2=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 63:[22, 59], Operations: ['70-13=57', '2+57=59'] Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,63 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[57, 20], Operations: ['70-13=57', '22-2=20'] Exploring Operation: 57-20=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 57*20=1140, Resulting Numbers: [1140] 1140,63 unequal: No Solution Exploring Operation: 57+20=77, Resulting Numbers: [77] 77,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[57, 11], Operations: ['70-13=57', '22/2=11'] Exploring Operation: 57*11=627, Resulting Numbers: [627] 627,63 unequal: No Solution Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 57+11=68, Resulting Numbers: [68] 68,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 63:[22, 13, 68], Operations: ['70-2=68'] Exploring Operation: 22+13=35, Resulting Numbers: [68, 35] Generated Node #0,0,0: 63:[68, 35] Operation: 22+13=35 Exploring Operation: 68-13=55, Resulting Numbers: [22, 55] Generated Node #0,0,1: 63:[22, 55] Operation: 68-13=55 Exploring Operation: 22-13=9, Resulting Numbers: [68, 9] Generated Node #0,0,2: 63:[68, 9] Operation: 22-13=9 Moving to Node #0,1,2 Current State: 63:[2, 61], Operations: ['22-13=9', '70-9=61'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,63 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[70, 2, 22, 13], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [70, 2, 9] Generated Node #0,1: 63:[70, 2, 9] Operation: 22-13=9 Moving to Node #0,1 Current State: 63:[70, 2, 9], Operations: ['22-13=9'] Exploring Operation: 70-9=61, Resulting Numbers: [2, 61] Generated Node #0,1,2: 63:[2, 61] Operation: 70-9=61 Moving to Node #0,1,2 Current State: 63:[2, 61], Operations: ['22-13=9', '70-9=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 28, 19, 26, 16 ]
20
[ "26-19=7", "28/7=4", "16+4=20" ]
Current State: 20:[28, 19, 26, 16], Operations: [] Exploring Operation: 26-19=7, Resulting Numbers: [28, 16, 7] Generated Node #2: [28, 16, 7] from Operation: 26-19=7 Current State: 20:[28, 16, 7], Operations: ['26-19=7'] Exploring Operation: 28/7=4, Resulting Numbers: [16, 4] Generated Node #3: [16, 4] from Operation: 28/7=4 Current State: 20:[16, 4], Operations: ['26-19=7', '28/7=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[28, 19, 26, 16], Operations: [] Exploring Operation: 28-16=12, Resulting Numbers: [19, 26, 12] Generated Node #0,0: 20:[19, 26, 12] Operation: 28-16=12 Exploring Operation: 28-26=2, Resulting Numbers: [19, 16, 2] Generated Node #0,1: 20:[19, 16, 2] Operation: 28-26=2 Exploring Operation: 26-16=10, Resulting Numbers: [28, 19, 10] Generated Node #0,2: 20:[28, 19, 10] Operation: 26-16=10 Exploring Operation: 28-19=9, Resulting Numbers: [26, 16, 9] Generated Node #0,3: 20:[26, 16, 9] Operation: 28-19=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[19, 16, 2], Operations: ['28-26=2'] Exploring Operation: 16/2=8, Resulting Numbers: [19, 8] Generated Node #0,1,0: 20:[19, 8] Operation: 16/2=8 Exploring Operation: 19-16=3, Resulting Numbers: [2, 3] Generated Node #0,1,1: 20:[2, 3] Operation: 19-16=3 Exploring Operation: 16+2=18, Resulting Numbers: [19, 18] Generated Node #0,1,2: 20:[19, 18] Operation: 16+2=18 Exploring Operation: 19+2=21, Resulting Numbers: [16, 21] Generated Node #0,1,3: 20:[16, 21] Operation: 19+2=21 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[2, 3], Operations: ['28-26=2', '19-16=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[19, 8], Operations: ['28-26=2', '16/2=8'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,20 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[19, 18], Operations: ['28-26=2', '16+2=18'] Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,20 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 20:[16, 21], Operations: ['28-26=2', '19+2=21'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[19, 26, 12], Operations: ['28-16=12'] Exploring Operation: 26-12=14, Resulting Numbers: [19, 14] Generated Node #0,0,0: 20:[19, 14] Operation: 26-12=14 Exploring Operation: 19-12=7, Resulting Numbers: [26, 7] Generated Node #0,0,1: 20:[26, 7] Operation: 19-12=7 Exploring Operation: 19+12=31, Resulting Numbers: [26, 31] Generated Node #0,0,2: 20:[26, 31] Operation: 19+12=31 Exploring Operation: 26-19=7, Resulting Numbers: [12, 7] Generated Node #0,0,3: 20:[12, 7] Operation: 26-19=7 Moving to Node #0,0,3 Current State: 20:[12, 7], Operations: ['28-16=12', '26-19=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[19, 14], Operations: ['28-16=12', '26-12=14'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[26, 7], Operations: ['28-16=12', '19-12=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[26, 31], Operations: ['28-16=12', '19+12=31'] Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,20 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,20 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 Current State: 20:[28, 19, 10], Operations: ['26-16=10'] Exploring Operation: 19-10=9, Resulting Numbers: [28, 9] Generated Node #0,2,0: 20:[28, 9] Operation: 19-10=9 Exploring Operation: 19+10=29, Resulting Numbers: [28, 29] Generated Node #0,2,1: 20:[28, 29] Operation: 19+10=29 Exploring Operation: 28-19=9, Resulting Numbers: [10, 9] Generated Node #0,2,2: 20:[10, 9] Operation: 28-19=9 Exploring Operation: 28-10=18, Resulting Numbers: [19, 18] Generated Node #0,2,3: 20:[19, 18] Operation: 28-10=18 Moving to Node #0,2,2 Current State: 20:[10, 9], Operations: ['26-16=10', '28-19=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[19, 18], Operations: ['26-16=10', '28-10=18'] Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,20 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[28, 9], Operations: ['26-16=10', '19-10=9'] Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,20 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[28, 29], Operations: ['26-16=10', '19+10=29'] Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,20 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,20 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 Current State: 20:[26, 16, 9], Operations: ['28-19=9'] Exploring Operation: 16+9=25, Resulting Numbers: [26, 25] Generated Node #0,3,0: 20:[26, 25] Operation: 16+9=25 Exploring Operation: 16-9=7, Resulting Numbers: [26, 7] Generated Node #0,3,1: 20:[26, 7] Operation: 16-9=7 Exploring Operation: 26-16=10, Resulting Numbers: [9, 10] Generated Node #0,3,2: 20:[9, 10] Operation: 26-16=10 Exploring Operation: 26-9=17, Resulting Numbers: [16, 17] Generated Node #0,3,3: 20:[16, 17] Operation: 26-9=17 Moving to Node #0,3,2 Current State: 20:[9, 10], Operations: ['28-19=9', '26-16=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[16, 17], Operations: ['28-19=9', '26-9=17'] Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,20 unequal: No Solution Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[26, 7], Operations: ['28-19=9', '16-9=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,20 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,20 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[26, 25], Operations: ['28-19=9', '16+9=25'] Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,20 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 2, 45, 87, 28 ]
94
[ "45+87=132", "132/2=66", "28+66=94" ]
Current State: 94:[2, 45, 87, 28], Operations: [] Exploring Operation: 45+87=132, Resulting Numbers: [2, 28, 132] Generated Node #2: [2, 28, 132] from Operation: 45+87=132 Current State: 94:[2, 28, 132], Operations: ['45+87=132'] Exploring Operation: 132/2=66, Resulting Numbers: [28, 66] Generated Node #3: [28, 66] from Operation: 132/2=66 Current State: 94:[28, 66], Operations: ['45+87=132', '132/2=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[2, 45, 87, 28], Operations: [] Exploring Operation: 28/2=14, Resulting Numbers: [45, 87, 14] Generated Node #0,0: 94:[45, 87, 14] Operation: 28/2=14 Exploring Operation: 87+28=115, Resulting Numbers: [2, 45, 115] Generated Node #0,1: 94:[2, 45, 115] Operation: 87+28=115 Exploring Operation: 45-28=17, Resulting Numbers: [2, 87, 17] Generated Node #0,2: 94:[2, 87, 17] Operation: 45-28=17 Exploring Operation: 2*28=56, Resulting Numbers: [45, 87, 56] Generated Node #0,3: 94:[45, 87, 56] Operation: 2*28=56 Exploring Operation: 87-28=59, Resulting Numbers: [2, 45, 59] Generated Node #0,4: 94:[2, 45, 59] Operation: 87-28=59 Moving to Node #0,4 Current State: 94:[2, 45, 59], Operations: ['87-28=59'] Exploring Operation: 2+45=47, Resulting Numbers: [59, 47] Generated Node #0,4,0: 94:[59, 47] Operation: 2+45=47 Exploring Operation: 45+59=104, Resulting Numbers: [2, 104] Generated Node #0,4,1: 94:[2, 104] Operation: 45+59=104 Exploring Operation: 59-45=14, Resulting Numbers: [2, 14] Generated Node #0,4,2: 94:[2, 14] Operation: 59-45=14 Exploring Operation: 59-2=57, Resulting Numbers: [45, 57] Generated Node #0,4,3: 94:[45, 57] Operation: 59-2=57 Exploring Operation: 2*45=90, Resulting Numbers: [59, 90] Generated Node #0,4,4: 94:[59, 90] Operation: 2*45=90 Moving to Node #0,3 Current State: 94:[45, 87, 56], Operations: ['2*28=56'] Exploring Operation: 87-56=31, Resulting Numbers: [45, 31] Generated Node #0,3,0: 94:[45, 31] Operation: 87-56=31 Exploring Operation: 45+87=132, Resulting Numbers: [56, 132] Generated Node #0,3,1: 94:[56, 132] Operation: 45+87=132 Exploring Operation: 45+56=101, Resulting Numbers: [87, 101] Generated Node #0,3,2: 94:[87, 101] Operation: 45+56=101 Exploring Operation: 56-45=11, Resulting Numbers: [87, 11] Generated Node #0,3,3: 94:[87, 11] Operation: 56-45=11 Exploring Operation: 87-45=42, Resulting Numbers: [56, 42] Generated Node #0,3,4: 94:[56, 42] Operation: 87-45=42 Moving to Node #0,0 Current State: 94:[45, 87, 14], Operations: ['28/2=14'] Exploring Operation: 87-14=73, Resulting Numbers: [45, 73] Generated Node #0,0,0: 94:[45, 73] Operation: 87-14=73 Exploring Operation: 45-14=31, Resulting Numbers: [87, 31] Generated Node #0,0,1: 94:[87, 31] Operation: 45-14=31 Exploring Operation: 87+14=101, Resulting Numbers: [45, 101] Generated Node #0,0,2: 94:[45, 101] Operation: 87+14=101 Exploring Operation: 87-45=42, Resulting Numbers: [14, 42] Generated Node #0,0,3: 94:[14, 42] Operation: 87-45=42 Exploring Operation: 45+14=59, Resulting Numbers: [87, 59] Generated Node #0,0,4: 94:[87, 59] Operation: 45+14=59 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[45, 101], Operations: ['28/2=14', '87+14=101'] Exploring Operation: 101-45=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 45+101=146, Resulting Numbers: [146] 146,94 unequal: No Solution Exploring Operation: 45*101=4545, Resulting Numbers: [4545] 4545,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[14, 42], Operations: ['28/2=14', '87-45=42'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 14*42=588, Resulting Numbers: [588] 588,94 unequal: No Solution Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[87, 59], Operations: ['28/2=14', '45+14=59'] Exploring Operation: 87+59=146, Resulting Numbers: [146] 146,94 unequal: No Solution Exploring Operation: 87*59=5133, Resulting Numbers: [5133] 5133,94 unequal: No Solution Exploring Operation: 87-59=28, Resulting Numbers: [28] 28,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[45, 73], Operations: ['28/2=14', '87-14=73'] Exploring Operation: 45*73=3285, Resulting Numbers: [3285] 3285,94 unequal: No Solution Exploring Operation: 45+73=118, Resulting Numbers: [118] 118,94 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[87, 31], Operations: ['28/2=14', '45-14=31'] Exploring Operation: 87-31=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 87*31=2697, Resulting Numbers: [2697] 2697,94 unequal: No Solution Exploring Operation: 87+31=118, Resulting Numbers: [118] 118,94 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: 94:[2, 87, 17], Operations: ['45-28=17'] Exploring Operation: 17-2=15, Resulting Numbers: [87, 15] Generated Node #0,2,0: 94:[87, 15] Operation: 17-2=15 Exploring Operation: 2+87=89, Resulting Numbers: [17, 89] Generated Node #0,2,1: 94:[17, 89] Operation: 2+87=89 Exploring Operation: 87-17=70, Resulting Numbers: [2, 70] Generated Node #0,2,2: 94:[2, 70] Operation: 87-17=70 Exploring Operation: 87+17=104, Resulting Numbers: [2, 104] Generated Node #0,2,3: 94:[2, 104] Operation: 87+17=104 Exploring Operation: 2*17=34, Resulting Numbers: [87, 34] Generated Node #0,2,4: 94:[87, 34] Operation: 2*17=34 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[2, 104], Operations: ['45-28=17', '87+17=104'] Exploring Operation: 2*104=208, Resulting Numbers: [208] 208,94 unequal: No Solution Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,94 unequal: No Solution Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 2+104=106, Resulting Numbers: [106] 106,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[87, 15], Operations: ['45-28=17', '17-2=15'] Exploring Operation: 87+15=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 87*15=1305, Resulting Numbers: [1305] 1305,94 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:[17, 89], Operations: ['45-28=17', '2+87=89'] Exploring Operation: 17*89=1513, Resulting Numbers: [1513] 1513,94 unequal: No Solution Exploring Operation: 89-17=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 17+89=106, Resulting Numbers: [106] 106,94 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 #0,2,4 Current State: 94:[87, 34], Operations: ['45-28=17', '2*17=34'] Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,94 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,94 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:[2, 70], Operations: ['45-28=17', '87-17=70'] Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,94 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,94 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 94:[2, 45, 115], Operations: ['87+28=115'] Exploring Operation: 115-2=113, Resulting Numbers: [45, 113] Generated Node #0,1,0: 94:[45, 113] Operation: 115-2=113 Exploring Operation: 45-2=43, Resulting Numbers: [115, 43] Generated Node #0,1,1: 94:[115, 43] Operation: 45-2=43 Exploring Operation: 115-45=70, Resulting Numbers: [2, 70] Generated Node #0,1,2: 94:[2, 70] Operation: 115-45=70 Exploring Operation: 2*45=90, Resulting Numbers: [115, 90] Generated Node #0,1,3: 94:[115, 90] Operation: 2*45=90 Exploring Operation: 2+45=47, Resulting Numbers: [115, 47] Generated Node #0,1,4: 94:[115, 47] Operation: 2+45=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[45, 113], Operations: ['87+28=115', '115-2=113'] Exploring Operation: 45*113=5085, Resulting Numbers: [5085] 5085,94 unequal: No Solution Exploring Operation: 113-45=68, Resulting Numbers: [68] 68,94 unequal: No Solution Exploring Operation: 45+113=158, Resulting Numbers: [158] 158,94 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 #0,1,4 Current State: 94:[115, 47], Operations: ['87+28=115', '2+45=47'] Exploring Operation: 115+47=162, Resulting Numbers: [162] 162,94 unequal: No Solution Exploring Operation: 115*47=5405, Resulting Numbers: [5405] 5405,94 unequal: No Solution Exploring Operation: 115-47=68, Resulting Numbers: [68] 68,94 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, 70], Operations: ['87+28=115', '115-45=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,94 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,94 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,94 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,94 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 #0,1,1 Current State: 94:[115, 43], Operations: ['87+28=115', '45-2=43'] Exploring Operation: 115+43=158, Resulting Numbers: [158] 158,94 unequal: No Solution Exploring Operation: 115*43=4945, Resulting Numbers: [4945] 4945,94 unequal: No Solution Exploring Operation: 115-43=72, Resulting Numbers: [72] 72,94 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 #0,1,3 Current State: 94:[115, 90], Operations: ['87+28=115', '2*45=90'] Exploring Operation: 115+90=205, Resulting Numbers: [205] 205,94 unequal: No Solution Exploring Operation: 115-90=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 115*90=10350, Resulting Numbers: [10350] 10350,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,1 Current State: 94:[2, 104], Operations: ['87-28=59', '45+59=104'] Exploring Operation: 2*104=208, Resulting Numbers: [208] 208,94 unequal: No Solution Exploring Operation: 2+104=106, Resulting Numbers: [106] 106,94 unequal: No Solution Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,94 unequal: No Solution Moving to Node #0,4,2 Current State: 94:[2, 14], Operations: ['87-28=59', '59-45=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,94 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,94 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,94 unequal: No Solution Moving to Node #0,4,0 Current State: 94:[59, 47], Operations: ['87-28=59', '2+45=47'] Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,94 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,94 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,94 unequal: No Solution Moving to Node #0,4,3 Current State: 94:[45, 57], Operations: ['87-28=59', '59-2=57'] Exploring Operation: 45+57=102, Resulting Numbers: [102] 102,94 unequal: No Solution Exploring Operation: 45*57=2565, Resulting Numbers: [2565] 2565,94 unequal: No Solution Exploring Operation: 57-45=12, Resulting Numbers: [12] 12,94 unequal: No Solution Moving to Node #0,3,4 Current State: 94:[56, 42], Operations: ['2*28=56', '87-45=42'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,94 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[87, 101], Operations: ['2*28=56', '45+56=101'] Exploring Operation: 87+101=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 101-87=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 87*101=8787, Resulting Numbers: [8787] 8787,94 unequal: No Solution Moving to Node #0,4,4 Current State: 94:[59, 90], Operations: ['87-28=59', '2*45=90'] Exploring Operation: 59*90=5310, Resulting Numbers: [5310] 5310,94 unequal: No Solution Exploring Operation: 59+90=149, Resulting Numbers: [149] 149,94 unequal: No Solution Exploring Operation: 90-59=31, Resulting Numbers: [31] 31,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[87, 11], Operations: ['2*28=56', '56-45=11'] Exploring Operation: 87*11=957, Resulting Numbers: [957] 957,94 unequal: No Solution Exploring Operation: 87+11=98, Resulting Numbers: [98] 98,94 unequal: No Solution Exploring Operation: 87-11=76, Resulting Numbers: [76] 76,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[45, 31], Operations: ['2*28=56', '87-56=31'] Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,94 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,94 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[56, 132], Operations: ['2*28=56', '45+87=132'] Exploring Operation: 56*132=7392, Resulting Numbers: [7392] 7392,94 unequal: No Solution Exploring Operation: 132-56=76, Resulting Numbers: [76] 76,94 unequal: No Solution Exploring Operation: 56+132=188, Resulting Numbers: [188] 188,94 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 36, 65, 13, 53 ]
39
[ "36*13=468", "65-53=12", "468/12=39" ]
Current State: 39:[36, 65, 13, 53], Operations: [] Exploring Operation: 36*13=468, Resulting Numbers: [65, 53, 468] Generated Node #2: [65, 53, 468] from Operation: 36*13=468 Current State: 39:[65, 53, 468], Operations: ['36*13=468'] Exploring Operation: 65-53=12, Resulting Numbers: [468, 12] Generated Node #3: [468, 12] from Operation: 65-53=12 Current State: 39:[468, 12], Operations: ['36*13=468', '65-53=12'] Exploring Operation: 468/12=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[36, 65, 13, 53], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [36, 13, 12] Generated Node #0,0: 39:[36, 13, 12] Operation: 65-53=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[36, 13, 12], Operations: ['65-53=12'] Exploring Operation: 36/12=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 39:[13, 3] Operation: 36/12=3 Moving to Node #0,0,0 Current State: 39:[13, 3], Operations: ['65-53=12', '36/12=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[36, 65, 13, 53], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [36, 13, 12] Generated Node #0,0: 39:[36, 13, 12] Operation: 65-53=12 Moving to Node #0,0 Current State: 39:[36, 13, 12], Operations: ['65-53=12'] Exploring Operation: 36/12=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 39:[13, 3] Operation: 36/12=3 Moving to Node #0,0,0 Current State: 39:[13, 3], Operations: ['65-53=12', '36/12=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 52, 91, 2, 32 ]
58
[ "91*32=2912", "2912/52=56", "2+56=58" ]
Current State: 58:[52, 91, 2, 32], Operations: [] Exploring Operation: 91*32=2912, Resulting Numbers: [52, 2, 2912] Generated Node #2: [52, 2, 2912] from Operation: 91*32=2912 Current State: 58:[52, 2, 2912], Operations: ['91*32=2912'] Exploring Operation: 2912/52=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 2912/52=56 Current State: 58:[2, 56], Operations: ['91*32=2912', '2912/52=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[52, 91, 2, 32], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [2, 32, 39] Generated Node #0,0: 58:[2, 32, 39] Operation: 91-52=39 Exploring Operation: 52/2=26, Resulting Numbers: [91, 32, 26] Generated Node #0,1: 58:[91, 32, 26] Operation: 52/2=26 Exploring Operation: 91-32=59, Resulting Numbers: [52, 2, 59] Generated Node #0,2: 58:[52, 2, 59] Operation: 91-32=59 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[52, 2, 59], Operations: ['91-32=59'] Exploring Operation: 59-52=7, Resulting Numbers: [2, 7] Generated Node #0,2,0: 58:[2, 7] Operation: 59-52=7 Exploring Operation: 52+2=54, Resulting Numbers: [59, 54] Generated Node #0,2,1: 58:[59, 54] Operation: 52+2=54 Exploring Operation: 52/2=26, Resulting Numbers: [59, 26] Generated Node #0,2,2: 58:[59, 26] Operation: 52/2=26 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[59, 26], Operations: ['91-32=59', '52/2=26'] Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,58 unequal: No Solution No 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: 58:[2, 7], Operations: ['91-32=59', '59-52=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,58 unequal: No Solution No 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: 58:[59, 54], Operations: ['91-32=59', '52+2=54'] Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 59*54=3186, Resulting Numbers: [3186] 3186,58 unequal: No Solution Exploring Operation: 59+54=113, Resulting Numbers: [113] 113,58 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: 58:[2, 32, 39], Operations: ['91-52=39'] Exploring Operation: 39-2=37, Resulting Numbers: [32, 37] Generated Node #0,0,0: 58:[32, 37] Operation: 39-2=37 Exploring Operation: 32-2=30, Resulting Numbers: [39, 30] Generated Node #0,0,1: 58:[39, 30] Operation: 32-2=30 Exploring Operation: 39-32=7, Resulting Numbers: [2, 7] Generated Node #0,0,2: 58:[2, 7] Operation: 39-32=7 Moving to Node #0,0,2 Current State: 58:[2, 7], Operations: ['91-52=39', '39-32=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[32, 37], Operations: ['91-52=39', '39-2=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,58 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,58 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[39, 30], Operations: ['91-52=39', '32-2=30'] Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,58 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[91, 32, 26], Operations: ['52/2=26'] Exploring Operation: 91-26=65, Resulting Numbers: [32, 65] Generated Node #0,1,0: 58:[32, 65] Operation: 91-26=65 Exploring Operation: 91-32=59, Resulting Numbers: [26, 59] Generated Node #0,1,1: 58:[26, 59] Operation: 91-32=59 Exploring Operation: 32+26=58, Resulting Numbers: [91, 58] Generated Node #0,1,2: 58:[91, 58] Operation: 32+26=58 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[26, 59], Operations: ['52/2=26', '91-32=59'] Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,58 unequal: No Solution No 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: 58:[32, 65], Operations: ['52/2=26', '91-26=65'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,58 unequal: No Solution Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,58 unequal: No Solution No 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: 58:[91, 58], Operations: ['52/2=26', '32+26=58'] Exploring Operation: 91*58=5278, Resulting Numbers: [5278] 5278,58 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,58 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
[ 51, 54, 25, 99 ]
75
[ "54+99=153", "153/51=3", "25*3=75" ]
Current State: 75:[51, 54, 25, 99], Operations: [] Exploring Operation: 54+99=153, Resulting Numbers: [51, 25, 153] Generated Node #2: [51, 25, 153] from Operation: 54+99=153 Current State: 75:[51, 25, 153], Operations: ['54+99=153'] Exploring Operation: 153/51=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 153/51=3 Current State: 75:[25, 3], Operations: ['54+99=153', '153/51=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[51, 54, 25, 99], Operations: [] Exploring Operation: 51+25=76, Resulting Numbers: [54, 99, 76] Generated Node #0,0: 75:[54, 99, 76] Operation: 51+25=76 Exploring Operation: 99-51=48, Resulting Numbers: [54, 25, 48] Generated Node #0,1: 75:[54, 25, 48] Operation: 99-51=48 Exploring Operation: 54-51=3, Resulting Numbers: [25, 99, 3] Generated Node #0,2: 75:[25, 99, 3] Operation: 54-51=3 Exploring Operation: 99-54=45, Resulting Numbers: [51, 25, 45] Generated Node #0,3: 75:[51, 25, 45] Operation: 99-54=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[25, 99, 3], Operations: ['54-51=3'] Exploring Operation: 25*3=75, Resulting Numbers: [99, 75] Generated Node #0,2,0: 75:[99, 75] Operation: 25*3=75 Exploring Operation: 99-25=74, Resulting Numbers: [3, 74] Generated Node #0,2,1: 75:[3, 74] Operation: 99-25=74 Exploring Operation: 99/3=33, Resulting Numbers: [25, 33] Generated Node #0,2,2: 75:[25, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [25, 96] Generated Node #0,2,3: 75:[25, 96] Operation: 99-3=96 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[3, 74], Operations: ['54-51=3', '99-25=74'] Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,75 unequal: No Solution Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[25, 33], Operations: ['54-51=3', '99/3=33'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 25+33=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 25*33=825, Resulting Numbers: [825] 825,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[25, 96], Operations: ['54-51=3', '99-3=96'] Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 25+96=121, Resulting Numbers: [121] 121,75 unequal: No Solution Exploring Operation: 25*96=2400, Resulting Numbers: [2400] 2400,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[99, 75], Operations: ['54-51=3', '25*3=75'] Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 99*75=7425, Resulting Numbers: [7425] 7425,75 unequal: No Solution Exploring Operation: 99+75=174, Resulting Numbers: [174] 174,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[54, 25, 48], Operations: ['99-51=48'] Exploring Operation: 48-25=23, Resulting Numbers: [54, 23] Generated Node #0,1,0: 75:[54, 23] Operation: 48-25=23 Exploring Operation: 25+48=73, Resulting Numbers: [54, 73] Generated Node #0,1,1: 75:[54, 73] Operation: 25+48=73 Exploring Operation: 54+25=79, Resulting Numbers: [48, 79] Generated Node #0,1,2: 75:[48, 79] Operation: 54+25=79 Exploring Operation: 54-48=6, Resulting Numbers: [25, 6] Generated Node #0,1,3: 75:[25, 6] Operation: 54-48=6 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 75:[25, 6], Operations: ['99-51=48', '54-48=6'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,75 unequal: No Solution Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[54, 23], Operations: ['99-51=48', '48-25=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,75 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[54, 73], Operations: ['99-51=48', '25+48=73'] Exploring Operation: 54*73=3942, Resulting Numbers: [3942] 3942,75 unequal: No Solution Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 54+73=127, Resulting Numbers: [127] 127,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[48, 79], Operations: ['99-51=48', '54+25=79'] Exploring Operation: 48+79=127, Resulting Numbers: [127] 127,75 unequal: No Solution Exploring Operation: 48*79=3792, Resulting Numbers: [3792] 3792,75 unequal: No Solution Exploring Operation: 79-48=31, Resulting Numbers: [31] 31,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[51, 25, 45], Operations: ['99-54=45'] Exploring Operation: 51-45=6, Resulting Numbers: [25, 6] Generated Node #0,3,0: 75:[25, 6] Operation: 51-45=6 Exploring Operation: 51+25=76, Resulting Numbers: [45, 76] Generated Node #0,3,1: 75:[45, 76] Operation: 51+25=76 Exploring Operation: 51+45=96, Resulting Numbers: [25, 96] Generated Node #0,3,2: 75:[25, 96] Operation: 51+45=96 Exploring Operation: 51-25=26, Resulting Numbers: [45, 26] Generated Node #0,3,3: 75:[45, 26] Operation: 51-25=26 Moving to Node #0,3,0 Current State: 75:[25, 6], Operations: ['99-54=45', '51-45=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,75 unequal: No Solution Moving to Node #0,3,2 Current State: 75:[25, 96], Operations: ['99-54=45', '51+45=96'] Exploring Operation: 25+96=121, Resulting Numbers: [121] 121,75 unequal: No Solution Exploring Operation: 96-25=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 25*96=2400, Resulting Numbers: [2400] 2400,75 unequal: No Solution Moving to Node #0,3,1 Current State: 75:[45, 76], Operations: ['99-54=45', '51+25=76'] Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 45*76=3420, Resulting Numbers: [3420] 3420,75 unequal: No Solution Exploring Operation: 45+76=121, Resulting Numbers: [121] 121,75 unequal: No Solution Moving to Node #0,3,3 Current State: 75:[45, 26], Operations: ['99-54=45', '51-25=26'] Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,75 unequal: No Solution Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[54, 99, 76], Operations: ['51+25=76'] Exploring Operation: 99-76=23, Resulting Numbers: [54, 23] Generated Node #0,0,0: 75:[54, 23] Operation: 99-76=23 Exploring Operation: 54+99=153, Resulting Numbers: [76, 153] Generated Node #0,0,1: 75:[76, 153] Operation: 54+99=153 Exploring Operation: 76-54=22, Resulting Numbers: [99, 22] Generated Node #0,0,2: 75:[99, 22] Operation: 76-54=22 Exploring Operation: 99-54=45, Resulting Numbers: [76, 45] Generated Node #0,0,3: 75:[76, 45] Operation: 99-54=45 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[76, 45], Operations: ['51+25=76', '99-54=45'] Exploring Operation: 76*45=3420, Resulting Numbers: [3420] 3420,75 unequal: No Solution Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 76+45=121, Resulting Numbers: [121] 121,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[54, 23], Operations: ['51+25=76', '99-76=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,75 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[99, 22], Operations: ['51+25=76', '76-54=22'] Exploring Operation: 99*22=2178, Resulting Numbers: [2178] 2178,75 unequal: No Solution Exploring Operation: 99-22=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 99+22=121, Resulting Numbers: [121] 121,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[76, 153], Operations: ['51+25=76', '54+99=153'] Exploring Operation: 153-76=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 76+153=229, Resulting Numbers: [229] 229,75 unequal: No Solution Exploring Operation: 76*153=11628, Resulting Numbers: [11628] 11628,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 25, 37, 57, 6 ]
51
[ "37-25=12", "57+6=63", "63-12=51" ]
Current State: 51:[25, 37, 57, 6], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [57, 6, 12] Generated Node #2: [57, 6, 12] from Operation: 37-25=12 Current State: 51:[57, 6, 12], Operations: ['37-25=12'] Exploring Operation: 57+6=63, Resulting Numbers: [12, 63] Generated Node #3: [12, 63] from Operation: 57+6=63 Current State: 51:[12, 63], Operations: ['37-25=12', '57+6=63'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[25, 37, 57, 6], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [57, 6, 12] Generated Node #0,0: 51:[57, 6, 12] Operation: 37-25=12 Exploring Operation: 57-37=20, Resulting Numbers: [25, 6, 20] Generated Node #0,1: 51:[25, 6, 20] Operation: 57-37=20 Exploring Operation: 25-6=19, Resulting Numbers: [37, 57, 19] Generated Node #0,2: 51:[37, 57, 19] Operation: 25-6=19 Exploring Operation: 25+37=62, Resulting Numbers: [57, 6, 62] Generated Node #0,3: 51:[57, 6, 62] Operation: 25+37=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[57, 6, 12], Operations: ['37-25=12'] Exploring Operation: 12/6=2, Resulting Numbers: [57, 2] Generated Node #0,0,0: 51:[57, 2] Operation: 12/6=2 Exploring Operation: 57-12=45, Resulting Numbers: [6, 45] Generated Node #0,0,1: 51:[6, 45] Operation: 57-12=45 Exploring Operation: 6+12=18, Resulting Numbers: [57, 18] Generated Node #0,0,2: 51:[57, 18] Operation: 6+12=18 Exploring Operation: 57-6=51, Resulting Numbers: [12, 51] Generated Node #0,0,3: 51:[12, 51] Operation: 57-6=51 Moving to Node #0,0,3 Current State: 51:[12, 51], Operations: ['37-25=12', '57-6=51'] Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,51 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,51 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[57, 18], Operations: ['37-25=12', '6+12=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,51 unequal: No Solution Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,51 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[57, 2], Operations: ['37-25=12', '12/6=2'] Exploring Operation: 57*2=114, Resulting Numbers: [114] 114,51 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[6, 45], Operations: ['37-25=12', '57-12=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[25, 37, 57, 6], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [57, 6, 12] Generated Node #0,0: 51:[57, 6, 12] Operation: 37-25=12 Moving to Node #0,0 Current State: 51:[57, 6, 12], Operations: ['37-25=12'] Exploring Operation: 57-12=45, Resulting Numbers: [6, 45] Generated Node #0,0,1: 51:[6, 45] Operation: 57-12=45 Moving to Node #0,0,1 Current State: 51:[6, 45], Operations: ['37-25=12', '57-12=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 36, 61, 76, 33 ]
68
[ "61-36=25", "76-33=43", "25+43=68" ]
Current State: 68:[36, 61, 76, 33], Operations: [] Exploring Operation: 61-36=25, Resulting Numbers: [76, 33, 25] Generated Node #2: [76, 33, 25] from Operation: 61-36=25 Current State: 68:[76, 33, 25], Operations: ['61-36=25'] Exploring Operation: 76-33=43, Resulting Numbers: [25, 43] Generated Node #3: [25, 43] from Operation: 76-33=43 Current State: 68:[25, 43], Operations: ['61-36=25', '76-33=43'] Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[36, 61, 76, 33], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [36, 33, 15] Generated Node #0,0: 68:[36, 33, 15] Operation: 76-61=15 Exploring Operation: 36+33=69, Resulting Numbers: [61, 76, 69] Generated Node #0,1: 68:[61, 76, 69] Operation: 36+33=69 Exploring Operation: 36-33=3, Resulting Numbers: [61, 76, 3] Generated Node #0,2: 68:[61, 76, 3] Operation: 36-33=3 Exploring Operation: 76-36=40, Resulting Numbers: [61, 33, 40] Generated Node #0,3: 68:[61, 33, 40] Operation: 76-36=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[36, 33, 15], Operations: ['76-61=15'] Exploring Operation: 36-33=3, Resulting Numbers: [15, 3] Generated Node #0,0,0: 68:[15, 3] Operation: 36-33=3 Exploring Operation: 36-15=21, Resulting Numbers: [33, 21] Generated Node #0,0,1: 68:[33, 21] Operation: 36-15=21 Exploring Operation: 33-15=18, Resulting Numbers: [36, 18] Generated Node #0,0,2: 68:[36, 18] Operation: 33-15=18 Exploring Operation: 36+33=69, Resulting Numbers: [15, 69] Generated Node #0,0,3: 68:[15, 69] Operation: 36+33=69 Moving to Node #0,0,0 Current State: 68:[15, 3], Operations: ['76-61=15', '36-33=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,68 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[15, 69], Operations: ['76-61=15', '36+33=69'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,68 unequal: No Solution Exploring Operation: 15*69=1035, Resulting Numbers: [1035] 1035,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[36, 18], Operations: ['76-61=15', '33-15=18'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,68 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[33, 21], Operations: ['76-61=15', '36-15=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,68 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[61, 33, 40], Operations: ['76-36=40'] Exploring Operation: 40-33=7, Resulting Numbers: [61, 7] Generated Node #0,3,0: 68:[61, 7] Operation: 40-33=7 Exploring Operation: 61-40=21, Resulting Numbers: [33, 21] Generated Node #0,3,1: 68:[33, 21] Operation: 61-40=21 Exploring Operation: 61-33=28, Resulting Numbers: [40, 28] Generated Node #0,3,2: 68:[40, 28] Operation: 61-33=28 Exploring Operation: 33+40=73, Resulting Numbers: [61, 73] Generated Node #0,3,3: 68:[61, 73] Operation: 33+40=73 Moving to Node #0,3,1 Current State: 68:[33, 21], Operations: ['76-36=40', '61-40=21'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,68 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,68 unequal: No Solution Moving to Node #0,3,0 Current State: 68:[61, 7], Operations: ['76-36=40', '40-33=7'] Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,68 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[36, 61, 76, 33], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [61, 33, 40] Generated Node #0,3: 68:[61, 33, 40] Operation: 76-36=40 Moving to Node #0,3 Current State: 68:[61, 33, 40], Operations: ['76-36=40'] Exploring Operation: 40-33=7, Resulting Numbers: [61, 7] Generated Node #0,3,0: 68:[61, 7] Operation: 40-33=7 Moving to Node #0,3,0 Current State: 68:[61, 7], Operations: ['76-36=40', '40-33=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 22, 35, 4, 45 ]
62
[ "35-22=13", "4+45=49", "13+49=62" ]
Current State: 62:[22, 35, 4, 45], Operations: [] Exploring Operation: 35-22=13, Resulting Numbers: [4, 45, 13] Generated Node #2: [4, 45, 13] from Operation: 35-22=13 Current State: 62:[4, 45, 13], Operations: ['35-22=13'] Exploring Operation: 4+45=49, Resulting Numbers: [13, 49] Generated Node #3: [13, 49] from Operation: 4+45=49 Current State: 62:[13, 49], Operations: ['35-22=13', '4+45=49'] Exploring Operation: 13+49=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[22, 35, 4, 45], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [22, 4, 10] Generated Node #0,0: 62:[22, 4, 10] Operation: 45-35=10 Exploring Operation: 22+45=67, Resulting Numbers: [35, 4, 67] Generated Node #0,1: 62:[35, 4, 67] Operation: 22+45=67 Exploring Operation: 45-22=23, Resulting Numbers: [35, 4, 23] Generated Node #0,2: 62:[35, 4, 23] Operation: 45-22=23 Moving to Node #0,1 Current State: 62:[35, 4, 67], Operations: ['22+45=67'] Exploring Operation: 67-4=63, Resulting Numbers: [35, 63] Generated Node #0,1,0: 62:[35, 63] Operation: 67-4=63 Exploring Operation: 35-4=31, Resulting Numbers: [67, 31] Generated Node #0,1,1: 62:[67, 31] Operation: 35-4=31 Exploring Operation: 67-35=32, Resulting Numbers: [4, 32] Generated Node #0,1,2: 62:[4, 32] Operation: 67-35=32 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[4, 32], Operations: ['22+45=67', '67-35=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[35, 63], Operations: ['22+45=67', '67-4=63'] Exploring Operation: 35+63=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 35*63=2205, Resulting Numbers: [2205] 2205,62 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[67, 31], Operations: ['22+45=67', '35-4=31'] Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 67+31=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 67*31=2077, Resulting Numbers: [2077] 2077,62 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: 62:[35, 4, 23], Operations: ['45-22=23'] Exploring Operation: 35+23=58, Resulting Numbers: [4, 58] Generated Node #0,2,0: 62:[4, 58] Operation: 35+23=58 Exploring Operation: 4+23=27, Resulting Numbers: [35, 27] Generated Node #0,2,1: 62:[35, 27] Operation: 4+23=27 Exploring Operation: 35-4=31, Resulting Numbers: [23, 31] Generated Node #0,2,2: 62:[23, 31] Operation: 35-4=31 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[4, 58], Operations: ['45-22=23', '35+23=58'] Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[22, 35, 4, 45], Operations: [] Exploring Operation: 45-22=23, Resulting Numbers: [35, 4, 23] Generated Node #0,2: 62:[35, 4, 23] Operation: 45-22=23 Moving to Node #0,2 Current State: 62:[35, 4, 23], Operations: ['45-22=23'] Exploring Operation: 35+23=58, Resulting Numbers: [4, 58] Generated Node #0,2,0: 62:[4, 58] Operation: 35+23=58 Moving to Node #0,2,0 Current State: 62:[4, 58], Operations: ['45-22=23', '35+23=58'] Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 31, 34, 94, 94 ]
64
[ "31+34=65", "94/94=1", "65-1=64" ]
Current State: 64:[31, 34, 94, 94], Operations: [] Exploring Operation: 31+34=65, Resulting Numbers: [94, 94, 65] Generated Node #2: [94, 94, 65] from Operation: 31+34=65 Current State: 64:[94, 94, 65], Operations: ['31+34=65'] Exploring Operation: 94/94=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 94/94=1 Current State: 64:[65, 1], Operations: ['31+34=65', '94/94=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[31, 34, 94, 94], Operations: [] Exploring Operation: 94/94=1, Resulting Numbers: [31, 34, 1] Generated Node #0,0: 64:[31, 34, 1] Operation: 94/94=1 Exploring Operation: 94-94=0, Resulting Numbers: [31, 34, 0] Generated Node #0,1: 64:[31, 34, 0] Operation: 94-94=0 Exploring Operation: 94-31=63, Resulting Numbers: [34, 94, 63] Generated Node #0,2: 64:[34, 94, 63] Operation: 94-31=63 Moving to Node #0,0 Current State: 64:[31, 34, 1], Operations: ['94/94=1'] Exploring Operation: 31+34=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 64:[1, 65] Operation: 31+34=65 Exploring Operation: 31+1=32, Resulting Numbers: [34, 32] Generated Node #0,0,1: 64:[34, 32] Operation: 31+1=32 Exploring Operation: 34-31=3, Resulting Numbers: [1, 3] Generated Node #0,0,2: 64:[1, 3] Operation: 34-31=3 Moving to Node #0,1 Current State: 64:[31, 34, 0], Operations: ['94-94=0'] Exploring Operation: 31+34=65, Resulting Numbers: [0, 65] Generated Node #0,1,0: 64:[0, 65] Operation: 31+34=65 Exploring Operation: 31+0=31, Resulting Numbers: [34, 31] Generated Node #0,1,1: 64:[34, 31] Operation: 31+0=31 Exploring Operation: 34-31=3, Resulting Numbers: [0, 3] Generated Node #0,1,2: 64:[0, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[0, 65], Operations: ['94-94=0', '31+34=65'] Exploring Operation: 65-0=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 0*65=0, Resulting Numbers: [0] 0,64 unequal: No Solution Exploring Operation: 0+65=65, Resulting Numbers: [65] 65,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[34, 31], Operations: ['94-94=0', '31+0=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,64 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:[0, 3], Operations: ['94-94=0', '34-31=3'] Exploring Operation: 0*3=0, Resulting Numbers: [0] 0,64 unequal: No Solution Exploring Operation: 0+3=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,64 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:[34, 94, 63], Operations: ['94-31=63'] Exploring Operation: 63-34=29, Resulting Numbers: [94, 29] Generated Node #0,2,0: 64:[94, 29] Operation: 63-34=29 Exploring Operation: 94-63=31, Resulting Numbers: [34, 31] Generated Node #0,2,1: 64:[34, 31] Operation: 94-63=31 Exploring Operation: 94-34=60, Resulting Numbers: [63, 60] Generated Node #0,2,2: 64:[63, 60] Operation: 94-34=60 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 64:[34, 31], Operations: ['94-31=63', '94-63=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,64 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[63, 60], Operations: ['94-31=63', '94-34=60'] Exploring Operation: 63+60=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 63*60=3780, Resulting Numbers: [3780] 3780,64 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,64 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:[94, 29], Operations: ['94-31=63', '63-34=29'] Exploring Operation: 94-29=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 94*29=2726, Resulting Numbers: [2726] 2726,64 unequal: No Solution Exploring Operation: 94+29=123, Resulting Numbers: [123] 123,64 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: 64:[1, 65], Operations: ['94/94=1', '31+34=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[31, 34, 94, 94], Operations: [] Exploring Operation: 94/94=1, Resulting Numbers: [31, 34, 1] Generated Node #0,0: 64:[31, 34, 1] Operation: 94/94=1 Moving to Node #0,0 Current State: 64:[31, 34, 1], Operations: ['94/94=1'] Exploring Operation: 31+34=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 64:[1, 65] Operation: 31+34=65 Moving to Node #0,0,0 Current State: 64:[1, 65], Operations: ['94/94=1', '31+34=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 20, 57, 28, 39 ]
14
[ "57-20=37", "39-37=2", "28/2=14" ]
Current State: 14:[20, 57, 28, 39], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [28, 39, 37] Generated Node #2: [28, 39, 37] from Operation: 57-20=37 Current State: 14:[28, 39, 37], Operations: ['57-20=37'] Exploring Operation: 39-37=2, Resulting Numbers: [28, 2] Generated Node #3: [28, 2] from Operation: 39-37=2 Current State: 14:[28, 2], Operations: ['57-20=37', '39-37=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[20, 57, 28, 39], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [28, 39, 37] Generated Node #0,0: 14:[28, 39, 37] Operation: 57-20=37 Exploring Operation: 57-28=29, Resulting Numbers: [20, 39, 29] Generated Node #0,1: 14:[20, 39, 29] Operation: 57-28=29 Exploring Operation: 39-20=19, Resulting Numbers: [57, 28, 19] Generated Node #0,2: 14:[57, 28, 19] Operation: 39-20=19 Exploring Operation: 39-28=11, Resulting Numbers: [20, 57, 11] Generated Node #0,3: 14:[20, 57, 11] Operation: 39-28=11 Exploring Operation: 57-39=18, Resulting Numbers: [20, 28, 18] Generated Node #0,4: 14:[20, 28, 18] Operation: 57-39=18 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[20, 28, 18], Operations: ['57-39=18'] Exploring Operation: 20-18=2, Resulting Numbers: [28, 2] Generated Node #0,4,0: 14:[28, 2] Operation: 20-18=2 Exploring Operation: 20+28=48, Resulting Numbers: [18, 48] Generated Node #0,4,1: 14:[18, 48] Operation: 20+28=48 Exploring Operation: 28-20=8, Resulting Numbers: [18, 8] Generated Node #0,4,2: 14:[18, 8] Operation: 28-20=8 Exploring Operation: 28-18=10, Resulting Numbers: [20, 10] Generated Node #0,4,3: 14:[20, 10] Operation: 28-18=10 Exploring Operation: 20+18=38, Resulting Numbers: [28, 38] Generated Node #0,4,4: 14:[28, 38] Operation: 20+18=38 Moving to Node #0,4,2 Current State: 14:[18, 8], Operations: ['57-39=18', '28-20=8'] Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,14 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,14 unequal: No Solution Moving to Node #0,4,3 Current State: 14:[20, 10], Operations: ['57-39=18', '28-18=10'] Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,14 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,14 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,14 unequal: No Solution Moving to Node #0,4,0 Current State: 14:[28, 2], Operations: ['57-39=18', '20-18=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,14 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[20, 57, 28, 39], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [20, 28, 18] Generated Node #0,4: 14:[20, 28, 18] Operation: 57-39=18 Moving to Node #0,4 Current State: 14:[20, 28, 18], Operations: ['57-39=18'] Exploring Operation: 20-18=2, Resulting Numbers: [28, 2] Generated Node #0,4,0: 14:[28, 2] Operation: 20-18=2 Moving to Node #0,4,0 Current State: 14:[28, 2], Operations: ['57-39=18', '20-18=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 28, 76, 11, 98 ]
26
[ "98-76=22", "22/11=2", "28-2=26" ]
Current State: 26:[28, 76, 11, 98], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [28, 11, 22] Generated Node #2: [28, 11, 22] from Operation: 98-76=22 Current State: 26:[28, 11, 22], Operations: ['98-76=22'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #3: [28, 2] from Operation: 22/11=2 Current State: 26:[28, 2], Operations: ['98-76=22', '22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[28, 76, 11, 98], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [11, 98, 48] Generated Node #0,0: 26:[11, 98, 48] Operation: 76-28=48 Exploring Operation: 98-76=22, Resulting Numbers: [28, 11, 22] Generated Node #0,1: 26:[28, 11, 22] Operation: 98-76=22 Exploring Operation: 76-11=65, Resulting Numbers: [28, 98, 65] Generated Node #0,2: 26:[28, 98, 65] Operation: 76-11=65 Exploring Operation: 98-28=70, Resulting Numbers: [76, 11, 70] Generated Node #0,3: 26:[76, 11, 70] Operation: 98-28=70 Moving to Node #0,1 Current State: 26:[28, 11, 22], Operations: ['98-76=22'] Exploring Operation: 28-22=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 26:[11, 6] Operation: 28-22=6 Exploring Operation: 22-11=11, Resulting Numbers: [28, 11] Generated Node #0,1,1: 26:[28, 11] Operation: 22-11=11 Exploring Operation: 28-11=17, Resulting Numbers: [22, 17] Generated Node #0,1,2: 26:[22, 17] Operation: 28-11=17 Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,1,3: 26:[28, 2] Operation: 22/11=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[28, 2], Operations: ['98-76=22', '22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[28, 76, 11, 98], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [28, 11, 22] Generated Node #0,1: 26:[28, 11, 22] Operation: 98-76=22 Moving to Node #0,1 Current State: 26:[28, 11, 22], Operations: ['98-76=22'] Exploring Operation: 22/11=2, Resulting Numbers: [28, 2] Generated Node #0,1,3: 26:[28, 2] Operation: 22/11=2 Moving to Node #0,1,3 Current State: 26:[28, 2], Operations: ['98-76=22', '22/11=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 3, 90, 72, 67 ]
46
[ "3+90=93", "72+67=139", "139-93=46" ]
Current State: 46:[3, 90, 72, 67], Operations: [] Exploring Operation: 3+90=93, Resulting Numbers: [72, 67, 93] Generated Node #2: [72, 67, 93] from Operation: 3+90=93 Current State: 46:[72, 67, 93], Operations: ['3+90=93'] Exploring Operation: 72+67=139, Resulting Numbers: [93, 139] Generated Node #3: [93, 139] from Operation: 72+67=139 Current State: 46:[93, 139], Operations: ['3+90=93', '72+67=139'] Exploring Operation: 139-93=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[3, 90, 72, 67], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [3, 67, 18] Generated Node #0,0: 46:[3, 67, 18] Operation: 90-72=18 Moving to Node #0,0 Current State: 46:[3, 67, 18], Operations: ['90-72=18'] Exploring Operation: 67-18=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 46:[3, 49] Operation: 67-18=49 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[3, 49], Operations: ['90-72=18', '67-18=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[3, 90, 72, 67], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [3, 67, 18] Generated Node #0,0: 46:[3, 67, 18] Operation: 90-72=18 Moving to Node #0,0 Current State: 46:[3, 67, 18], Operations: ['90-72=18'] Exploring Operation: 67-18=49, Resulting Numbers: [3, 49] Generated Node #0,0,0: 46:[3, 49] Operation: 67-18=49 Moving to Node #0,0,0 Current State: 46:[3, 49], Operations: ['90-72=18', '67-18=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 66, 24, 84, 41 ]
82
[ "66-24=42", "84*41=3444", "3444/42=82" ]
Current State: 82:[66, 24, 84, 41], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [84, 41, 42] Generated Node #2: [84, 41, 42] from Operation: 66-24=42 Current State: 82:[84, 41, 42], Operations: ['66-24=42'] Exploring Operation: 84*41=3444, Resulting Numbers: [42, 3444] Generated Node #3: [42, 3444] from Operation: 84*41=3444 Current State: 82:[42, 3444], Operations: ['66-24=42', '84*41=3444'] Exploring Operation: 3444/42=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[66, 24, 84, 41], Operations: [] Exploring Operation: 84-66=18, Resulting Numbers: [24, 41, 18] Generated Node #0,0: 82:[24, 41, 18] Operation: 84-66=18 Exploring Operation: 41-24=17, Resulting Numbers: [66, 84, 17] Generated Node #0,1: 82:[66, 84, 17] Operation: 41-24=17 Exploring Operation: 66+24=90, Resulting Numbers: [84, 41, 90] Generated Node #0,2: 82:[84, 41, 90] Operation: 66+24=90 Exploring Operation: 66-24=42, Resulting Numbers: [84, 41, 42] Generated Node #0,3: 82:[84, 41, 42] Operation: 66-24=42 Moving to Node #0,3 Current State: 82:[84, 41, 42], Operations: ['66-24=42'] Exploring Operation: 84-42=42, Resulting Numbers: [41, 42] Generated Node #0,3,0: 82:[41, 42] Operation: 84-42=42 Exploring Operation: 84/42=2, Resulting Numbers: [41, 2] Generated Node #0,3,1: 82:[41, 2] Operation: 84/42=2 Exploring Operation: 84-41=43, Resulting Numbers: [42, 43] Generated Node #0,3,2: 82:[42, 43] Operation: 84-41=43 Exploring Operation: 41+42=83, Resulting Numbers: [84, 83] Generated Node #0,3,3: 82:[84, 83] Operation: 41+42=83 Moving to Node #0,2 Current State: 82:[84, 41, 90], Operations: ['66+24=90'] Exploring Operation: 90-41=49, Resulting Numbers: [84, 49] Generated Node #0,2,0: 82:[84, 49] Operation: 90-41=49 Exploring Operation: 84+41=125, Resulting Numbers: [90, 125] Generated Node #0,2,1: 82:[90, 125] Operation: 84+41=125 Exploring Operation: 84-41=43, Resulting Numbers: [90, 43] Generated Node #0,2,2: 82:[90, 43] Operation: 84-41=43 Exploring Operation: 90-84=6, Resulting Numbers: [41, 6] Generated Node #0,2,3: 82:[41, 6] Operation: 90-84=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[41, 6], Operations: ['66+24=90', '90-84=6'] Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,82 unequal: No Solution Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,82 unequal: No Solution No 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: 82:[84, 49], Operations: ['66+24=90', '90-41=49'] Exploring Operation: 84*49=4116, Resulting Numbers: [4116] 4116,82 unequal: No Solution Exploring Operation: 84+49=133, Resulting Numbers: [133] 133,82 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,82 unequal: No Solution No 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: 82:[90, 43], Operations: ['66+24=90', '84-41=43'] Exploring Operation: 90*43=3870, Resulting Numbers: [3870] 3870,82 unequal: No Solution Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,82 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,82 unequal: No Solution No 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: 82:[90, 125], Operations: ['66+24=90', '84+41=125'] Exploring Operation: 90+125=215, Resulting Numbers: [215] 215,82 unequal: No Solution Exploring Operation: 90*125=11250, Resulting Numbers: [11250] 11250,82 unequal: No Solution Exploring Operation: 125-90=35, Resulting Numbers: [35] 35,82 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: 82:[66, 84, 17], Operations: ['41-24=17'] Exploring Operation: 84-17=67, Resulting Numbers: [66, 67] Generated Node #0,1,0: 82:[66, 67] Operation: 84-17=67 Exploring Operation: 66+17=83, Resulting Numbers: [84, 83] Generated Node #0,1,1: 82:[84, 83] Operation: 66+17=83 Exploring Operation: 66-17=49, Resulting Numbers: [84, 49] Generated Node #0,1,2: 82:[84, 49] Operation: 66-17=49 Exploring Operation: 84-66=18, Resulting Numbers: [17, 18] Generated Node #0,1,3: 82:[17, 18] Operation: 84-66=18 Moving to Node #0,0 Current State: 82:[24, 41, 18], Operations: ['84-66=18'] Exploring Operation: 41-24=17, Resulting Numbers: [18, 17] Generated Node #0,0,0: 82:[18, 17] Operation: 41-24=17 Exploring Operation: 24+41=65, Resulting Numbers: [18, 65] Generated Node #0,0,1: 82:[18, 65] Operation: 24+41=65 Exploring Operation: 24-18=6, Resulting Numbers: [41, 6] Generated Node #0,0,2: 82:[41, 6] Operation: 24-18=6 Exploring Operation: 24+18=42, Resulting Numbers: [41, 42] Generated Node #0,0,3: 82:[41, 42] Operation: 24+18=42 Moving to Node #0,3,1 Current State: 82:[41, 2], Operations: ['66-24=42', '84/42=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[66, 24, 84, 41], Operations: [] Exploring Operation: 66-24=42, Resulting Numbers: [84, 41, 42] Generated Node #0,3: 82:[84, 41, 42] Operation: 66-24=42 Moving to Node #0,3 Current State: 82:[84, 41, 42], Operations: ['66-24=42'] Exploring Operation: 84/42=2, Resulting Numbers: [41, 2] Generated Node #0,3,1: 82:[41, 2] Operation: 84/42=2 Moving to Node #0,3,1 Current State: 82:[41, 2], Operations: ['66-24=42', '84/42=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 27, 68, 80, 7 ]
57
[ "80-68=12", "7*12=84", "84-27=57" ]
Current State: 57:[27, 68, 80, 7], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [27, 7, 12] Generated Node #2: [27, 7, 12] from Operation: 80-68=12 Current State: 57:[27, 7, 12], Operations: ['80-68=12'] Exploring Operation: 7*12=84, Resulting Numbers: [27, 84] Generated Node #3: [27, 84] from Operation: 7*12=84 Current State: 57:[27, 84], Operations: ['80-68=12', '7*12=84'] Exploring Operation: 84-27=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[27, 68, 80, 7], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [27, 7, 12] Generated Node #0,0: 57:[27, 7, 12] Operation: 80-68=12 Exploring Operation: 80-27=53, Resulting Numbers: [68, 7, 53] Generated Node #0,1: 57:[68, 7, 53] Operation: 80-27=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[27, 7, 12], Operations: ['80-68=12'] Exploring Operation: 27-12=15, Resulting Numbers: [7, 15] Generated Node #0,0,0: 57:[7, 15] Operation: 27-12=15 Exploring Operation: 27-7=20, Resulting Numbers: [12, 20] Generated Node #0,0,1: 57:[12, 20] Operation: 27-7=20 Moving to Node #0,0,0 Current State: 57:[7, 15], Operations: ['80-68=12', '27-12=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[12, 20], Operations: ['80-68=12', '27-7=20'] Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[68, 7, 53], Operations: ['80-27=53'] Exploring Operation: 68-53=15, Resulting Numbers: [7, 15] Generated Node #0,1,0: 57:[7, 15] Operation: 68-53=15 Exploring Operation: 68-7=61, Resulting Numbers: [53, 61] Generated Node #0,1,1: 57:[53, 61] Operation: 68-7=61 Moving to Node #0,1,0 Current State: 57:[7, 15], Operations: ['80-27=53', '68-53=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[53, 61], Operations: ['80-27=53', '68-7=61'] Exploring Operation: 53+61=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 61-53=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 13, 2, 35, 18 ]
68
[ "13+2=15", "35+18=53", "15+53=68" ]
Current State: 68:[13, 2, 35, 18], Operations: [] Exploring Operation: 13+2=15, Resulting Numbers: [35, 18, 15] Generated Node #2: [35, 18, 15] from Operation: 13+2=15 Current State: 68:[35, 18, 15], Operations: ['13+2=15'] Exploring Operation: 35+18=53, Resulting Numbers: [15, 53] Generated Node #3: [15, 53] from Operation: 35+18=53 Current State: 68:[15, 53], Operations: ['13+2=15', '35+18=53'] Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 2, 35, 18], Operations: [] Exploring Operation: 18-13=5, Resulting Numbers: [2, 35, 5] Generated Node #0,0: 68:[2, 35, 5] Operation: 18-13=5 Moving to Node #0,0 Current State: 68:[2, 35, 5], Operations: ['18-13=5'] Exploring Operation: 35-2=33, Resulting Numbers: [5, 33] Generated Node #0,0,0: 68:[5, 33] Operation: 35-2=33 Moving to Node #0,0,0 Current State: 68:[5, 33], Operations: ['18-13=5', '35-2=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,68 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 5, 26, 32, 29 ]
34
[ "5+26=31", "32-29=3", "31+3=34" ]
Current State: 34:[5, 26, 32, 29], Operations: [] Exploring Operation: 5+26=31, Resulting Numbers: [32, 29, 31] Generated Node #2: [32, 29, 31] from Operation: 5+26=31 Current State: 34:[32, 29, 31], Operations: ['5+26=31'] Exploring Operation: 32-29=3, Resulting Numbers: [31, 3] Generated Node #3: [31, 3] from Operation: 32-29=3 Current State: 34:[31, 3], Operations: ['5+26=31', '32-29=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[5, 26, 32, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [5, 32, 3] Generated Node #0,0: 34:[5, 32, 3] Operation: 29-26=3 Exploring Operation: 5+26=31, Resulting Numbers: [32, 29, 31] Generated Node #0,1: 34:[32, 29, 31] Operation: 5+26=31 Exploring Operation: 5+29=34, Resulting Numbers: [26, 32, 34] Generated Node #0,2: 34:[26, 32, 34] Operation: 5+29=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[5, 32, 3], Operations: ['29-26=3'] Exploring Operation: 5*3=15, Resulting Numbers: [32, 15] Generated Node #0,0,0: 34:[32, 15] Operation: 5*3=15 Exploring Operation: 5-3=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 34:[32, 2] Operation: 5-3=2 Exploring Operation: 5+32=37, Resulting Numbers: [3, 37] Generated Node #0,0,2: 34:[3, 37] Operation: 5+32=37 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[32, 2], Operations: ['29-26=3', '5-3=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[5, 26, 32, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [5, 32, 3] Generated Node #0,0: 34:[5, 32, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 34:[5, 32, 3], Operations: ['29-26=3'] Exploring Operation: 5-3=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 34:[32, 2] Operation: 5-3=2 Moving to Node #0,0,1 Current State: 34:[32, 2], Operations: ['29-26=3', '5-3=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 71, 90, 78, 78 ]
19
[ "90-71=19", "78-78=0", "19+0=19" ]
Current State: 19:[71, 90, 78, 78], Operations: [] Exploring Operation: 90-71=19, Resulting Numbers: [78, 78, 19] Generated Node #2: [78, 78, 19] from Operation: 90-71=19 Current State: 19:[78, 78, 19], Operations: ['90-71=19'] Exploring Operation: 78-78=0, Resulting Numbers: [19, 0] Generated Node #3: [19, 0] from Operation: 78-78=0 Current State: 19:[19, 0], Operations: ['90-71=19', '78-78=0'] Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[71, 90, 78, 78], Operations: [] Exploring Operation: 78/78=1, Resulting Numbers: [71, 90, 1] Generated Node #0,0: 19:[71, 90, 1] Operation: 78/78=1 Exploring Operation: 90-71=19, Resulting Numbers: [78, 78, 19] Generated Node #0,1: 19:[78, 78, 19] Operation: 90-71=19 Exploring Operation: 90-78=12, Resulting Numbers: [71, 78, 12] Generated Node #0,2: 19:[71, 78, 12] Operation: 90-78=12 Exploring Operation: 90-78=12, Resulting Numbers: [71, 78, 12] Generated Node #0,3: 19:[71, 78, 12] Operation: 90-78=12 Exploring Operation: 78-71=7, Resulting Numbers: [90, 78, 7] Generated Node #0,4: 19:[90, 78, 7] Operation: 78-71=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[78, 78, 19], Operations: ['90-71=19'] Exploring Operation: 78-19=59, Resulting Numbers: [78, 59] Generated Node #0,1,0: 19:[78, 59] Operation: 78-19=59 Exploring Operation: 78/78=1, Resulting Numbers: [19, 1] Generated Node #0,1,1: 19:[19, 1] Operation: 78/78=1 Exploring Operation: 78-78=0, Resulting Numbers: [19, 0] Generated Node #0,1,2: 19:[19, 0] Operation: 78-78=0 Exploring Operation: 78+78=156, Resulting Numbers: [19, 156] Generated Node #0,1,3: 19:[19, 156] Operation: 78+78=156 Exploring Operation: 78-19=59, Resulting Numbers: [78, 59] Generated Node #0,1,4: 19:[78, 59] Operation: 78-19=59 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[19, 1], Operations: ['90-71=19', '78/78=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[71, 90, 78, 78], Operations: [] Exploring Operation: 90-71=19, Resulting Numbers: [78, 78, 19] Generated Node #0,1: 19:[78, 78, 19] Operation: 90-71=19 Moving to Node #0,1 Current State: 19:[78, 78, 19], Operations: ['90-71=19'] Exploring Operation: 78/78=1, Resulting Numbers: [19, 1] Generated Node #0,1,1: 19:[19, 1] Operation: 78/78=1 Moving to Node #0,1,1 Current State: 19:[19, 1], Operations: ['90-71=19', '78/78=1'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 34, 82, 97, 51 ]
32
[ "34+82=116", "97+51=148", "148-116=32" ]
Current State: 32:[34, 82, 97, 51], Operations: [] Exploring Operation: 34+82=116, Resulting Numbers: [97, 51, 116] Generated Node #2: [97, 51, 116] from Operation: 34+82=116 Current State: 32:[97, 51, 116], Operations: ['34+82=116'] Exploring Operation: 97+51=148, Resulting Numbers: [116, 148] Generated Node #3: [116, 148] from Operation: 97+51=148 Current State: 32:[116, 148], Operations: ['34+82=116', '97+51=148'] Exploring Operation: 148-116=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[34, 82, 97, 51], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [34, 51, 15] Generated Node #0,0: 32:[34, 51, 15] Operation: 97-82=15 Exploring Operation: 97-51=46, Resulting Numbers: [34, 82, 46] Generated Node #0,1: 32:[34, 82, 46] Operation: 97-51=46 Exploring Operation: 82-51=31, Resulting Numbers: [34, 97, 31] Generated Node #0,2: 32:[34, 97, 31] Operation: 82-51=31 Moving to Node #0,0 Current State: 32:[34, 51, 15], Operations: ['97-82=15'] Exploring Operation: 51-34=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 51-34=17 Exploring Operation: 34-15=19, Resulting Numbers: [51, 19] Generated Node #0,0,1: 32:[51, 19] Operation: 34-15=19 Exploring Operation: 51-15=36, Resulting Numbers: [34, 36] Generated Node #0,0,2: 32:[34, 36] Operation: 51-15=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['97-82=15', '51-34=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[34, 82, 97, 51], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [34, 51, 15] Generated Node #0,0: 32:[34, 51, 15] Operation: 97-82=15 Moving to Node #0,0 Current State: 32:[34, 51, 15], Operations: ['97-82=15'] Exploring Operation: 51-34=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 51-34=17 Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['97-82=15', '51-34=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 61, 53, 34, 19 ]
62
[ "53-34=19", "19/19=1", "61+1=62" ]
Current State: 62:[61, 53, 34, 19], Operations: [] Exploring Operation: 53-34=19, Resulting Numbers: [61, 19, 19] Generated Node #2: [61, 19, 19] from Operation: 53-34=19 Current State: 62:[61, 19, 19], Operations: ['53-34=19'] Exploring Operation: 19/19=1, Resulting Numbers: [61, 1] Generated Node #3: [61, 1] from Operation: 19/19=1 Current State: 62:[61, 1], Operations: ['53-34=19', '19/19=1'] Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[61, 53, 34, 19], Operations: [] Exploring Operation: 61-53=8, Resulting Numbers: [34, 19, 8] Generated Node #0,0: 62:[34, 19, 8] Operation: 61-53=8 Exploring Operation: 53-19=34, Resulting Numbers: [61, 34, 34] Generated Node #0,1: 62:[61, 34, 34] Operation: 53-19=34 Exploring Operation: 53+19=72, Resulting Numbers: [61, 34, 72] Generated Node #0,2: 62:[61, 34, 72] Operation: 53+19=72 Exploring Operation: 34+19=53, Resulting Numbers: [61, 53, 53] Generated Node #0,3: 62:[61, 53, 53] Operation: 34+19=53 Moving to Node #0,1 Current State: 62:[61, 34, 34], Operations: ['53-19=34'] Exploring Operation: 61-34=27, Resulting Numbers: [34, 27] Generated Node #0,1,0: 62:[34, 27] Operation: 61-34=27 Exploring Operation: 61-34=27, Resulting Numbers: [34, 27] Generated Node #0,1,1: 62:[34, 27] Operation: 61-34=27 Exploring Operation: 34/34=1, Resulting Numbers: [61, 1] Generated Node #0,1,2: 62:[61, 1] Operation: 34/34=1 Exploring Operation: 34-34=0, Resulting Numbers: [61, 0] Generated Node #0,1,3: 62:[61, 0] Operation: 34-34=0 Moving to Node #0,2 Current State: 62:[61, 34, 72], Operations: ['53+19=72'] Exploring Operation: 72-34=38, Resulting Numbers: [61, 38] Generated Node #0,2,0: 62:[61, 38] Operation: 72-34=38 Exploring Operation: 61+34=95, Resulting Numbers: [72, 95] Generated Node #0,2,1: 62:[72, 95] Operation: 61+34=95 Exploring Operation: 72-61=11, Resulting Numbers: [34, 11] Generated Node #0,2,2: 62:[34, 11] Operation: 72-61=11 Exploring Operation: 61-34=27, Resulting Numbers: [72, 27] Generated Node #0,2,3: 62:[72, 27] Operation: 61-34=27 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[61, 38], Operations: ['53+19=72', '72-34=38'] Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,62 unequal: No Solution Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[34, 11], Operations: ['53+19=72', '72-61=11'] Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,62 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[72, 27], Operations: ['53+19=72', '61-34=27'] Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,62 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[72, 95], Operations: ['53+19=72', '61+34=95'] Exploring Operation: 72+95=167, Resulting Numbers: [167] 167,62 unequal: No Solution Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 72*95=6840, Resulting Numbers: [6840] 6840,62 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: 62:[61, 53, 53], Operations: ['34+19=53'] Exploring Operation: 61-53=8, Resulting Numbers: [53, 8] Generated Node #0,3,0: 62:[53, 8] Operation: 61-53=8 Exploring Operation: 61-53=8, Resulting Numbers: [53, 8] Generated Node #0,3,1: 62:[53, 8] Operation: 61-53=8 Exploring Operation: 53/53=1, Resulting Numbers: [61, 1] Generated Node #0,3,2: 62:[61, 1] Operation: 53/53=1 Exploring Operation: 53-53=0, Resulting Numbers: [61, 0] Generated Node #0,3,3: 62:[61, 0] Operation: 53-53=0 Moving to Node #0,0 Current State: 62:[34, 19, 8], Operations: ['61-53=8'] Exploring Operation: 34+19=53, Resulting Numbers: [8, 53] Generated Node #0,0,0: 62:[8, 53] Operation: 34+19=53 Exploring Operation: 34-8=26, Resulting Numbers: [19, 26] Generated Node #0,0,1: 62:[19, 26] Operation: 34-8=26 Exploring Operation: 19+8=27, Resulting Numbers: [34, 27] Generated Node #0,0,2: 62:[34, 27] Operation: 19+8=27 Exploring Operation: 19-8=11, Resulting Numbers: [34, 11] Generated Node #0,0,3: 62:[34, 11] Operation: 19-8=11 Moving to Node #0,1,2 Current State: 62:[61, 1], Operations: ['53-19=34', '34/34=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[61, 53, 34, 19], Operations: [] Exploring Operation: 53-19=34, Resulting Numbers: [61, 34, 34] Generated Node #0,1: 62:[61, 34, 34] Operation: 53-19=34 Moving to Node #0,1 Current State: 62:[61, 34, 34], Operations: ['53-19=34'] Exploring Operation: 34/34=1, Resulting Numbers: [61, 1] Generated Node #0,1,2: 62:[61, 1] Operation: 34/34=1 Moving to Node #0,1,2 Current State: 62:[61, 1], Operations: ['53-19=34', '34/34=1'] Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 14, 73, 66, 57 ]
68
[ "73-14=59", "66-57=9", "59+9=68" ]
Current State: 68:[14, 73, 66, 57], Operations: [] Exploring Operation: 73-14=59, Resulting Numbers: [66, 57, 59] Generated Node #2: [66, 57, 59] from Operation: 73-14=59 Current State: 68:[66, 57, 59], Operations: ['73-14=59'] Exploring Operation: 66-57=9, Resulting Numbers: [59, 9] Generated Node #3: [59, 9] from Operation: 66-57=9 Current State: 68:[59, 9], Operations: ['73-14=59', '66-57=9'] Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[14, 73, 66, 57], Operations: [] Exploring Operation: 14+57=71, Resulting Numbers: [73, 66, 71] Generated Node #0,0: 68:[73, 66, 71] Operation: 14+57=71 Exploring Operation: 66-57=9, Resulting Numbers: [14, 73, 9] Generated Node #0,1: 68:[14, 73, 9] Operation: 66-57=9 Exploring Operation: 73-66=7, Resulting Numbers: [14, 57, 7] Generated Node #0,2: 68:[14, 57, 7] Operation: 73-66=7 Exploring Operation: 73-57=16, Resulting Numbers: [14, 66, 16] Generated Node #0,3: 68:[14, 66, 16] Operation: 73-57=16 Exploring Operation: 57-14=43, Resulting Numbers: [73, 66, 43] Generated Node #0,4: 68:[73, 66, 43] Operation: 57-14=43 Moving to Node #0,3 Current State: 68:[14, 66, 16], Operations: ['73-57=16'] Exploring Operation: 16-14=2, Resulting Numbers: [66, 2] Generated Node #0,3,0: 68:[66, 2] Operation: 16-14=2 Exploring Operation: 66-14=52, Resulting Numbers: [16, 52] Generated Node #0,3,1: 68:[16, 52] Operation: 66-14=52 Exploring Operation: 14+16=30, Resulting Numbers: [66, 30] Generated Node #0,3,2: 68:[66, 30] Operation: 14+16=30 Exploring Operation: 66+16=82, Resulting Numbers: [14, 82] Generated Node #0,3,3: 68:[14, 82] Operation: 66+16=82 Exploring Operation: 14+66=80, Resulting Numbers: [16, 80] Generated Node #0,3,4: 68:[16, 80] Operation: 14+66=80 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[66, 2], Operations: ['73-57=16', '16-14=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[14, 73, 66, 57], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [14, 66, 16] Generated Node #0,3: 68:[14, 66, 16] Operation: 73-57=16 Moving to Node #0,3 Current State: 68:[14, 66, 16], Operations: ['73-57=16'] Exploring Operation: 16-14=2, Resulting Numbers: [66, 2] Generated Node #0,3,0: 68:[66, 2] Operation: 16-14=2 Moving to Node #0,3,0 Current State: 68:[66, 2], Operations: ['73-57=16', '16-14=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 11, 4, 92, 68 ]
29
[ "92+68=160", "160/4=40", "40-11=29" ]
Current State: 29:[11, 4, 92, 68], Operations: [] Exploring Operation: 92+68=160, Resulting Numbers: [11, 4, 160] Generated Node #2: [11, 4, 160] from Operation: 92+68=160 Current State: 29:[11, 4, 160], Operations: ['92+68=160'] Exploring Operation: 160/4=40, Resulting Numbers: [11, 40] Generated Node #3: [11, 40] from Operation: 160/4=40 Current State: 29:[11, 40], Operations: ['92+68=160', '160/4=40'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[11, 4, 92, 68], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [11, 4, 24] Generated Node #0,0: 29:[11, 4, 24] Operation: 92-68=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[11, 4, 24], Operations: ['92-68=24'] Exploring Operation: 11+4=15, Resulting Numbers: [24, 15] Generated Node #0,0,0: 29:[24, 15] Operation: 11+4=15 Moving to Node #0,0,0 Current State: 29:[24, 15], Operations: ['92-68=24', '11+4=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 35, 53, 46, 81 ]
86
[ "53-46=7", "35/7=5", "81+5=86" ]
Current State: 86:[35, 53, 46, 81], Operations: [] Exploring Operation: 53-46=7, Resulting Numbers: [35, 81, 7] Generated Node #2: [35, 81, 7] from Operation: 53-46=7 Current State: 86:[35, 81, 7], Operations: ['53-46=7'] Exploring Operation: 35/7=5, Resulting Numbers: [81, 5] Generated Node #3: [81, 5] from Operation: 35/7=5 Current State: 86:[81, 5], Operations: ['53-46=7', '35/7=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[35, 53, 46, 81], Operations: [] Exploring Operation: 53-46=7, Resulting Numbers: [35, 81, 7] Generated Node #0,0: 86:[35, 81, 7] Operation: 53-46=7 Exploring Operation: 81-35=46, Resulting Numbers: [53, 46, 46] Generated Node #0,1: 86:[53, 46, 46] Operation: 81-35=46 Exploring Operation: 35+53=88, Resulting Numbers: [46, 81, 88] Generated Node #0,2: 86:[46, 81, 88] Operation: 35+53=88 Moving to Node #0,2 Current State: 86:[46, 81, 88], Operations: ['35+53=88'] Exploring Operation: 88-81=7, Resulting Numbers: [46, 7] Generated Node #0,2,0: 86:[46, 7] Operation: 88-81=7 Exploring Operation: 81-46=35, Resulting Numbers: [88, 35] Generated Node #0,2,1: 86:[88, 35] Operation: 81-46=35 Exploring Operation: 88-46=42, Resulting Numbers: [81, 42] Generated Node #0,2,2: 86:[81, 42] Operation: 88-46=42 Moving to Node #0,1 Current State: 86:[53, 46, 46], Operations: ['81-35=46'] Exploring Operation: 53-46=7, Resulting Numbers: [46, 7] Generated Node #0,1,0: 86:[46, 7] Operation: 53-46=7 Exploring Operation: 53-46=7, Resulting Numbers: [46, 7] Generated Node #0,1,1: 86:[46, 7] Operation: 53-46=7 Exploring Operation: 46/46=1, Resulting Numbers: [53, 1] Generated Node #0,1,2: 86:[53, 1] Operation: 46/46=1 Moving to Node #0,0 Current State: 86:[35, 81, 7], Operations: ['53-46=7'] Exploring Operation: 35+7=42, Resulting Numbers: [81, 42] Generated Node #0,0,0: 86:[81, 42] Operation: 35+7=42 Exploring Operation: 35/7=5, Resulting Numbers: [81, 5] Generated Node #0,0,1: 86:[81, 5] Operation: 35/7=5 Exploring Operation: 81-35=46, Resulting Numbers: [7, 46] Generated Node #0,0,2: 86:[7, 46] Operation: 81-35=46 Moving to Node #0,2,2 Current State: 86:[81, 42], Operations: ['35+53=88', '88-46=42'] Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,86 unequal: No Solution Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,86 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[81, 42], Operations: ['53-46=7', '35+7=42'] Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,86 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[7, 46], Operations: ['53-46=7', '81-35=46'] Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,86 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[81, 5], Operations: ['53-46=7', '35/7=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[35, 53, 46, 81], Operations: [] Exploring Operation: 53-46=7, Resulting Numbers: [35, 81, 7] Generated Node #0,0: 86:[35, 81, 7] Operation: 53-46=7 Moving to Node #0,0 Current State: 86:[35, 81, 7], Operations: ['53-46=7'] Exploring Operation: 35/7=5, Resulting Numbers: [81, 5] Generated Node #0,0,1: 86:[81, 5] Operation: 35/7=5 Moving to Node #0,0,1 Current State: 86:[81, 5], Operations: ['53-46=7', '35/7=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 83, 61, 59, 14 ]
95
[ "83-61=22", "59+14=73", "22+73=95" ]
Current State: 95:[83, 61, 59, 14], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [59, 14, 22] Generated Node #2: [59, 14, 22] from Operation: 83-61=22 Current State: 95:[59, 14, 22], Operations: ['83-61=22'] Exploring Operation: 59+14=73, Resulting Numbers: [22, 73] Generated Node #3: [22, 73] from Operation: 59+14=73 Current State: 95:[22, 73], Operations: ['83-61=22', '59+14=73'] Exploring Operation: 22+73=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[83, 61, 59, 14], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [59, 14, 22] Generated Node #0,0: 95:[59, 14, 22] Operation: 83-61=22 Exploring Operation: 61-59=2, Resulting Numbers: [83, 14, 2] Generated Node #0,1: 95:[83, 14, 2] Operation: 61-59=2 Exploring Operation: 61+59=120, Resulting Numbers: [83, 14, 120] Generated Node #0,2: 95:[83, 14, 120] Operation: 61+59=120 Exploring Operation: 83-59=24, Resulting Numbers: [61, 14, 24] Generated Node #0,3: 95:[61, 14, 24] Operation: 83-59=24 Moving to Node #0,1 Current State: 95:[83, 14, 2], Operations: ['61-59=2'] Exploring Operation: 83+14=97, Resulting Numbers: [2, 97] Generated Node #0,1,0: 95:[2, 97] Operation: 83+14=97 Exploring Operation: 14/2=7, Resulting Numbers: [83, 7] Generated Node #0,1,1: 95:[83, 7] Operation: 14/2=7 Exploring Operation: 14+2=16, Resulting Numbers: [83, 16] Generated Node #0,1,2: 95:[83, 16] Operation: 14+2=16 Exploring Operation: 83+2=85, Resulting Numbers: [14, 85] Generated Node #0,1,3: 95:[14, 85] Operation: 83+2=85 Moving to Node #0,2 Current State: 95:[83, 14, 120], Operations: ['61+59=120'] Exploring Operation: 83+14=97, Resulting Numbers: [120, 97] Generated Node #0,2,0: 95:[120, 97] Operation: 83+14=97 Exploring Operation: 83-14=69, Resulting Numbers: [120, 69] Generated Node #0,2,1: 95:[120, 69] Operation: 83-14=69 Exploring Operation: 120-83=37, Resulting Numbers: [14, 37] Generated Node #0,2,2: 95:[14, 37] Operation: 120-83=37 Exploring Operation: 120-14=106, Resulting Numbers: [83, 106] Generated Node #0,2,3: 95:[83, 106] Operation: 120-14=106 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 95:[14, 37], Operations: ['61+59=120', '120-83=37'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,95 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 95:[83, 106], Operations: ['61+59=120', '120-14=106'] Exploring Operation: 83*106=8798, Resulting Numbers: [8798] 8798,95 unequal: No Solution Exploring Operation: 106-83=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 83+106=189, Resulting Numbers: [189] 189,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 95:[120, 97], Operations: ['61+59=120', '83+14=97'] Exploring Operation: 120*97=11640, Resulting Numbers: [11640] 11640,95 unequal: No Solution Exploring Operation: 120-97=23, Resulting Numbers: [23] 23,95 unequal: No Solution Exploring Operation: 120+97=217, Resulting Numbers: [217] 217,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[120, 69], Operations: ['61+59=120', '83-14=69'] Exploring Operation: 120-69=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 120+69=189, Resulting Numbers: [189] 189,95 unequal: No Solution Exploring Operation: 120*69=8280, Resulting Numbers: [8280] 8280,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 95:[61, 14, 24], Operations: ['83-59=24'] Exploring Operation: 61-24=37, Resulting Numbers: [14, 37] Generated Node #0,3,0: 95:[14, 37] Operation: 61-24=37 Exploring Operation: 61+14=75, Resulting Numbers: [24, 75] Generated Node #0,3,1: 95:[24, 75] Operation: 61+14=75 Exploring Operation: 61+24=85, Resulting Numbers: [14, 85] Generated Node #0,3,2: 95:[14, 85] Operation: 61+24=85 Exploring Operation: 61-14=47, Resulting Numbers: [24, 47] Generated Node #0,3,3: 95:[24, 47] Operation: 61-14=47 Moving to Node #0,0 Current State: 95:[59, 14, 22], Operations: ['83-61=22'] Exploring Operation: 59+22=81, Resulting Numbers: [14, 81] Generated Node #0,0,0: 95:[14, 81] Operation: 59+22=81 Exploring Operation: 59-22=37, Resulting Numbers: [14, 37] Generated Node #0,0,1: 95:[14, 37] Operation: 59-22=37 Exploring Operation: 59+14=73, Resulting Numbers: [22, 73] Generated Node #0,0,2: 95:[22, 73] Operation: 59+14=73 Exploring Operation: 59-14=45, Resulting Numbers: [22, 45] Generated Node #0,0,3: 95:[22, 45] Operation: 59-14=45 Moving to Node #0,1,0 Current State: 95:[2, 97], Operations: ['61-59=2', '83+14=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 2*97=194, Resulting Numbers: [194] 194,95 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[83, 61, 59, 14], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [83, 14, 2] Generated Node #0,1: 95:[83, 14, 2] Operation: 61-59=2 Moving to Node #0,1 Current State: 95:[83, 14, 2], Operations: ['61-59=2'] Exploring Operation: 83+14=97, Resulting Numbers: [2, 97] Generated Node #0,1,0: 95:[2, 97] Operation: 83+14=97 Moving to Node #0,1,0 Current State: 95:[2, 97], Operations: ['61-59=2', '83+14=97'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.966146
hs_4
mult_heuristic
[ 51, 12, 61, 58 ]
55
[ "61-58=3", "12/3=4", "51+4=55" ]
Current State: 55:[51, 12, 61, 58], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [51, 12, 3] Generated Node #2: [51, 12, 3] from Operation: 61-58=3 Current State: 55:[51, 12, 3], Operations: ['61-58=3'] Exploring Operation: 12/3=4, Resulting Numbers: [51, 4] Generated Node #3: [51, 4] from Operation: 12/3=4 Current State: 55:[51, 4], Operations: ['61-58=3', '12/3=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[51, 12, 61, 58], Operations: [] Exploring Operation: 58-51=7, Resulting Numbers: [12, 61, 7] Generated Node #0,0: 55:[12, 61, 7] Operation: 58-51=7 Exploring Operation: 61-51=10, Resulting Numbers: [12, 58, 10] Generated Node #0,1: 55:[12, 58, 10] Operation: 61-51=10 Exploring Operation: 61-58=3, Resulting Numbers: [51, 12, 3] Generated Node #0,2: 55:[51, 12, 3] Operation: 61-58=3 Exploring Operation: 61-12=49, Resulting Numbers: [51, 58, 49] Generated Node #0,3: 55:[51, 58, 49] Operation: 61-12=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[12, 58, 10], Operations: ['61-51=10'] Exploring Operation: 12+10=22, Resulting Numbers: [58, 22] Generated Node #0,1,0: 55:[58, 22] Operation: 12+10=22 Exploring Operation: 58-12=46, Resulting Numbers: [10, 46] Generated Node #0,1,1: 55:[10, 46] Operation: 58-12=46 Exploring Operation: 12-10=2, Resulting Numbers: [58, 2] Generated Node #0,1,2: 55:[58, 2] Operation: 12-10=2 Exploring Operation: 58-10=48, Resulting Numbers: [12, 48] Generated Node #0,1,3: 55:[12, 48] Operation: 58-10=48 Moving to Node #0,1,2 Current State: 55:[58, 2], Operations: ['61-51=10', '12-10=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,55 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,55 unequal: No Solution Exploring Operation: 58*2=116, Resulting Numbers: [116] 116,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[12, 48], Operations: ['61-51=10', '58-10=48'] Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,55 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,55 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[10, 46], Operations: ['61-51=10', '58-12=46'] Exploring Operation: 10*46=460, Resulting Numbers: [460] 460,55 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 10+46=56, Resulting Numbers: [56] 56,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[58, 22], Operations: ['61-51=10', '12+10=22'] Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,55 unequal: No Solution Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[51, 12, 3], Operations: ['61-58=3'] Exploring Operation: 51+3=54, Resulting Numbers: [12, 54] Generated Node #0,2,0: 55:[12, 54] Operation: 51+3=54 Exploring Operation: 51/3=17, Resulting Numbers: [12, 17] Generated Node #0,2,1: 55:[12, 17] Operation: 51/3=17 Exploring Operation: 12-3=9, Resulting Numbers: [51, 9] Generated Node #0,2,2: 55:[51, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [51, 4] Generated Node #0,2,3: 55:[51, 4] Operation: 12/3=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[12, 54], Operations: ['61-58=3', '51+3=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,55 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 #0,2,3 Current State: 55:[51, 4], Operations: ['61-58=3', '12/3=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,55 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[51, 12, 61, 58], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [51, 12, 3] Generated Node #0,2: 55:[51, 12, 3] Operation: 61-58=3 Moving to Node #0,2 Current State: 55:[51, 12, 3], Operations: ['61-58=3'] Exploring Operation: 12/3=4, Resulting Numbers: [51, 4] Generated Node #0,2,3: 55:[51, 4] Operation: 12/3=4 Moving to Node #0,2,3 Current State: 55:[51, 4], Operations: ['61-58=3', '12/3=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 65, 80, 60, 82 ]
86
[ "80-65=15", "60/15=4", "82+4=86" ]
Current State: 86:[65, 80, 60, 82], Operations: [] Exploring Operation: 80-65=15, Resulting Numbers: [60, 82, 15] Generated Node #2: [60, 82, 15] from Operation: 80-65=15 Current State: 86:[60, 82, 15], Operations: ['80-65=15'] Exploring Operation: 60/15=4, Resulting Numbers: [82, 4] Generated Node #3: [82, 4] from Operation: 60/15=4 Current State: 86:[82, 4], Operations: ['80-65=15', '60/15=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[65, 80, 60, 82], Operations: [] Exploring Operation: 80-65=15, Resulting Numbers: [60, 82, 15] Generated Node #0,0: 86:[60, 82, 15] Operation: 80-65=15 Exploring Operation: 65-60=5, Resulting Numbers: [80, 82, 5] Generated Node #0,1: 86:[80, 82, 5] Operation: 65-60=5 Moving to Node #0,1 Current State: 86:[80, 82, 5], Operations: ['65-60=5'] Exploring Operation: 80+5=85, Resulting Numbers: [82, 85] Generated Node #0,1,0: 86:[82, 85] Operation: 80+5=85 Exploring Operation: 82-80=2, Resulting Numbers: [5, 2] Generated Node #0,1,1: 86:[5, 2] Operation: 82-80=2 Moving to Node #0,0 Current State: 86:[60, 82, 15], Operations: ['80-65=15'] Exploring Operation: 60/15=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 86:[82, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [82, 45] Generated Node #0,0,1: 86:[82, 45] Operation: 60-15=45 Moving to Node #0,1,1 Current State: 86:[5, 2], Operations: ['65-60=5', '82-80=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[82, 85], Operations: ['65-60=5', '80+5=85'] Exploring Operation: 82+85=167, Resulting Numbers: [167] 167,86 unequal: No Solution Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[82, 45], Operations: ['80-65=15', '60-15=45'] Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[82, 4], Operations: ['80-65=15', '60/15=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,86 unequal: No Solution Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[65, 80, 60, 82], Operations: [] Exploring Operation: 80-65=15, Resulting Numbers: [60, 82, 15] Generated Node #0,0: 86:[60, 82, 15] Operation: 80-65=15 Moving to Node #0,0 Current State: 86:[60, 82, 15], Operations: ['80-65=15'] Exploring Operation: 60/15=4, Resulting Numbers: [82, 4] Generated Node #0,0,0: 86:[82, 4] Operation: 60/15=4 Moving to Node #0,0,0 Current State: 86:[82, 4], Operations: ['80-65=15', '60/15=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 15, 19, 71, 21 ]
41
[ "21-19=2", "15*2=30", "71-30=41" ]
Current State: 41:[15, 19, 71, 21], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [15, 71, 2] Generated Node #2: [15, 71, 2] from Operation: 21-19=2 Current State: 41:[15, 71, 2], Operations: ['21-19=2'] Exploring Operation: 15*2=30, Resulting Numbers: [71, 30] Generated Node #3: [71, 30] from Operation: 15*2=30 Current State: 41:[71, 30], Operations: ['21-19=2', '15*2=30'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[15, 19, 71, 21], Operations: [] Exploring Operation: 15+21=36, Resulting Numbers: [19, 71, 36] Generated Node #0,0: 41:[19, 71, 36] Operation: 15+21=36 Exploring Operation: 71-15=56, Resulting Numbers: [19, 21, 56] Generated Node #0,1: 41:[19, 21, 56] Operation: 71-15=56 Exploring Operation: 15+19=34, Resulting Numbers: [71, 21, 34] Generated Node #0,2: 41:[71, 21, 34] Operation: 15+19=34 Moving to Node #0,0 Current State: 41:[19, 71, 36], Operations: ['15+21=36'] Exploring Operation: 19+36=55, Resulting Numbers: [71, 55] Generated Node #0,0,0: 41:[71, 55] Operation: 19+36=55 Exploring Operation: 71-36=35, Resulting Numbers: [19, 35] Generated Node #0,0,1: 41:[19, 35] Operation: 71-36=35 Exploring Operation: 71-19=52, Resulting Numbers: [36, 52] Generated Node #0,0,2: 41:[36, 52] Operation: 71-19=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[36, 52], Operations: ['15+21=36', '71-19=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 36*52=1872, Resulting Numbers: [1872] 1872,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[19, 35], Operations: ['15+21=36', '71-36=35'] Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,41 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[71, 55], Operations: ['15+21=36', '19+36=55'] Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,41 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 71*55=3905, Resulting Numbers: [3905] 3905,41 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: 41:[19, 21, 56], Operations: ['71-15=56'] Exploring Operation: 56-19=37, Resulting Numbers: [21, 37] Generated Node #0,1,0: 41:[21, 37] Operation: 56-19=37 Exploring Operation: 56-21=35, Resulting Numbers: [19, 35] Generated Node #0,1,1: 41:[19, 35] Operation: 56-21=35 Exploring Operation: 19+21=40, Resulting Numbers: [56, 40] Generated Node #0,1,2: 41:[56, 40] Operation: 19+21=40 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[56, 40], Operations: ['71-15=56', '19+21=40'] Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 56*40=2240, Resulting Numbers: [2240] 2240,41 unequal: No Solution Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[21, 37], Operations: ['71-15=56', '56-19=37'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,41 unequal: No Solution Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[19, 35], Operations: ['71-15=56', '56-21=35'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,41 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: 41:[71, 21, 34], Operations: ['15+19=34'] Exploring Operation: 71-34=37, Resulting Numbers: [21, 37] Generated Node #0,2,0: 41:[21, 37] Operation: 71-34=37 Exploring Operation: 71-21=50, Resulting Numbers: [34, 50] Generated Node #0,2,1: 41:[34, 50] Operation: 71-21=50 Exploring Operation: 21+34=55, Resulting Numbers: [71, 55] Generated Node #0,2,2: 41:[71, 55] Operation: 21+34=55 Moving to Node #0,2,1 Current State: 41:[34, 50], Operations: ['15+19=34', '71-21=50'] Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,41 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[21, 37], Operations: ['15+19=34', '71-34=37'] Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,41 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,41 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[71, 55], Operations: ['15+19=34', '21+34=55'] Exploring Operation: 71*55=3905, Resulting Numbers: [3905] 3905,41 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 71+55=126, Resulting Numbers: [126] 126,41 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 42, 5, 32, 64 ]
74
[ "42-5=37", "64/32=2", "37*2=74" ]
Current State: 74:[42, 5, 32, 64], Operations: [] Exploring Operation: 42-5=37, Resulting Numbers: [32, 64, 37] Generated Node #2: [32, 64, 37] from Operation: 42-5=37 Current State: 74:[32, 64, 37], Operations: ['42-5=37'] Exploring Operation: 64/32=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 64/32=2 Current State: 74:[37, 2], Operations: ['42-5=37', '64/32=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[42, 5, 32, 64], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [42, 5, 2] Generated Node #0,0: 74:[42, 5, 2] Operation: 64/32=2 Exploring Operation: 42+32=74, Resulting Numbers: [5, 64, 74] Generated Node #0,1: 74:[5, 64, 74] Operation: 42+32=74 Exploring Operation: 64-32=32, Resulting Numbers: [42, 5, 32] Generated Node #0,2: 74:[42, 5, 32] Operation: 64-32=32 Exploring Operation: 42-5=37, Resulting Numbers: [32, 64, 37] Generated Node #0,3: 74:[32, 64, 37] Operation: 42-5=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[42, 5, 2], Operations: ['64/32=2'] Exploring Operation: 5-2=3, Resulting Numbers: [42, 3] Generated Node #0,0,0: 74:[42, 3] Operation: 5-2=3 Exploring Operation: 42+5=47, Resulting Numbers: [2, 47] Generated Node #0,0,1: 74:[2, 47] Operation: 42+5=47 Exploring Operation: 42-5=37, Resulting Numbers: [2, 37] Generated Node #0,0,2: 74:[2, 37] Operation: 42-5=37 Exploring Operation: 42-2=40, Resulting Numbers: [5, 40] Generated Node #0,0,3: 74:[5, 40] Operation: 42-2=40 Moving to Node #0,0,2 Current State: 74:[2, 37], Operations: ['64/32=2', '42-5=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[42, 5, 32, 64], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [42, 5, 2] Generated Node #0,0: 74:[42, 5, 2] Operation: 64/32=2 Moving to Node #0,0 Current State: 74:[42, 5, 2], Operations: ['64/32=2'] Exploring Operation: 42-5=37, Resulting Numbers: [2, 37] Generated Node #0,0,2: 74:[2, 37] Operation: 42-5=37 Moving to Node #0,0,2 Current State: 74:[2, 37], Operations: ['64/32=2', '42-5=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 10, 81, 66, 46 ]
69
[ "81-66=15", "46*15=690", "690/10=69" ]
Current State: 69:[10, 81, 66, 46], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [10, 46, 15] Generated Node #2: [10, 46, 15] from Operation: 81-66=15 Current State: 69:[10, 46, 15], Operations: ['81-66=15'] Exploring Operation: 46*15=690, Resulting Numbers: [10, 690] Generated Node #3: [10, 690] from Operation: 46*15=690 Current State: 69:[10, 690], Operations: ['81-66=15', '46*15=690'] Exploring Operation: 690/10=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[10, 81, 66, 46], Operations: [] Exploring Operation: 81-46=35, Resulting Numbers: [10, 66, 35] Generated Node #0,0: 69:[10, 66, 35] Operation: 81-46=35 Exploring Operation: 66-46=20, Resulting Numbers: [10, 81, 20] Generated Node #0,1: 69:[10, 81, 20] Operation: 66-46=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[10, 66, 35], Operations: ['81-46=35'] Exploring Operation: 35-10=25, Resulting Numbers: [66, 25] Generated Node #0,0,0: 69:[66, 25] Operation: 35-10=25 Exploring Operation: 66-35=31, Resulting Numbers: [10, 31] Generated Node #0,0,1: 69:[10, 31] Operation: 66-35=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[66, 25], Operations: ['81-46=35', '35-10=25'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,69 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[10, 31], Operations: ['81-46=35', '66-35=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[10, 81, 20], Operations: ['66-46=20'] Exploring Operation: 20/10=2, Resulting Numbers: [81, 2] Generated Node #0,1,0: 69:[81, 2] Operation: 20/10=2 Exploring Operation: 81-10=71, Resulting Numbers: [20, 71] Generated Node #0,1,1: 69:[20, 71] Operation: 81-10=71 Moving to Node #0,1,1 Current State: 69:[20, 71], Operations: ['66-46=20', '81-10=71'] Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[81, 2], Operations: ['66-46=20', '20/10=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,69 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 41, 47, 73, 74 ]
89
[ "41+47=88", "74-73=1", "88+1=89" ]
Current State: 89:[41, 47, 73, 74], Operations: [] Exploring Operation: 41+47=88, Resulting Numbers: [73, 74, 88] Generated Node #2: [73, 74, 88] from Operation: 41+47=88 Current State: 89:[73, 74, 88], Operations: ['41+47=88'] Exploring Operation: 74-73=1, Resulting Numbers: [88, 1] Generated Node #3: [88, 1] from Operation: 74-73=1 Current State: 89:[88, 1], Operations: ['41+47=88', '74-73=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[41, 47, 73, 74], Operations: [] Exploring Operation: 41+47=88, Resulting Numbers: [73, 74, 88] Generated Node #0,0: 89:[73, 74, 88] Operation: 41+47=88 Moving to Node #0,0 Current State: 89:[73, 74, 88], Operations: ['41+47=88'] Exploring Operation: 73+74=147, Resulting Numbers: [88, 147] Generated Node #0,0,0: 89:[88, 147] Operation: 73+74=147 Moving to Node #0,0,0 Current State: 89:[88, 147], Operations: ['41+47=88', '73+74=147'] Exploring Operation: 147-88=59, Resulting Numbers: [59] 59,89 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 24, 44, 16, 73 ]
78
[ "44+73=117", "16*117=1872", "1872/24=78" ]
Current State: 78:[24, 44, 16, 73], Operations: [] Exploring Operation: 44+73=117, Resulting Numbers: [24, 16, 117] Generated Node #2: [24, 16, 117] from Operation: 44+73=117 Current State: 78:[24, 16, 117], Operations: ['44+73=117'] Exploring Operation: 16*117=1872, Resulting Numbers: [24, 1872] Generated Node #3: [24, 1872] from Operation: 16*117=1872 Current State: 78:[24, 1872], Operations: ['44+73=117', '16*117=1872'] Exploring Operation: 1872/24=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 44, 16, 73], Operations: [] Exploring Operation: 44-16=28, Resulting Numbers: [24, 73, 28] Generated Node #0,0: 78:[24, 73, 28] Operation: 44-16=28 Exploring Operation: 73-44=29, Resulting Numbers: [24, 16, 29] Generated Node #0,1: 78:[24, 16, 29] Operation: 73-44=29 Moving to Node #0,1 Current State: 78:[24, 16, 29], Operations: ['73-44=29'] Exploring Operation: 24+16=40, Resulting Numbers: [29, 40] Generated Node #0,1,0: 78:[29, 40] Operation: 24+16=40 Exploring Operation: 29-16=13, Resulting Numbers: [24, 13] Generated Node #0,1,1: 78:[24, 13] Operation: 29-16=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[24, 13], Operations: ['73-44=29', '29-16=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,78 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[29, 40], Operations: ['73-44=29', '24+16=40'] Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,78 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,78 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: 78:[24, 73, 28], Operations: ['44-16=28'] Exploring Operation: 73-28=45, Resulting Numbers: [24, 45] Generated Node #0,0,0: 78:[24, 45] Operation: 73-28=45 Exploring Operation: 28-24=4, Resulting Numbers: [73, 4] Generated Node #0,0,1: 78:[73, 4] Operation: 28-24=4 Moving to Node #0,0,1 Current State: 78:[73, 4], Operations: ['44-16=28', '28-24=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,78 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[24, 45], Operations: ['44-16=28', '73-28=45'] Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,78 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,78 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 51, 29, 5, 65 ]
49
[ "51+29=80", "80/5=16", "65-16=49" ]
Current State: 49:[51, 29, 5, 65], Operations: [] Exploring Operation: 51+29=80, Resulting Numbers: [5, 65, 80] Generated Node #2: [5, 65, 80] from Operation: 51+29=80 Current State: 49:[5, 65, 80], Operations: ['51+29=80'] Exploring Operation: 80/5=16, Resulting Numbers: [65, 16] Generated Node #3: [65, 16] from Operation: 80/5=16 Current State: 49:[65, 16], Operations: ['51+29=80', '80/5=16'] Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[51, 29, 5, 65], Operations: [] Exploring Operation: 51-29=22, Resulting Numbers: [5, 65, 22] Generated Node #0,0: 49:[5, 65, 22] Operation: 51-29=22 Exploring Operation: 65-29=36, Resulting Numbers: [51, 5, 36] Generated Node #0,1: 49:[51, 5, 36] Operation: 65-29=36 Exploring Operation: 65/5=13, Resulting Numbers: [51, 29, 13] Generated Node #0,2: 49:[51, 29, 13] Operation: 65/5=13 Exploring Operation: 65-51=14, Resulting Numbers: [29, 5, 14] Generated Node #0,3: 49:[29, 5, 14] Operation: 65-51=14 Exploring Operation: 29+5=34, Resulting Numbers: [51, 65, 34] Generated Node #0,4: 49:[51, 65, 34] Operation: 29+5=34 Moving to Node #0,1 Current State: 49:[51, 5, 36], Operations: ['65-29=36'] Exploring Operation: 36-5=31, Resulting Numbers: [51, 31] Generated Node #0,1,0: 49:[51, 31] Operation: 36-5=31 Exploring Operation: 5+36=41, Resulting Numbers: [51, 41] Generated Node #0,1,1: 49:[51, 41] Operation: 5+36=41 Exploring Operation: 51-36=15, Resulting Numbers: [5, 15] Generated Node #0,1,2: 49:[5, 15] Operation: 51-36=15 Exploring Operation: 51-5=46, Resulting Numbers: [36, 46] Generated Node #0,1,3: 49:[36, 46] Operation: 51-5=46 Exploring Operation: 51+5=56, Resulting Numbers: [36, 56] Generated Node #0,1,4: 49:[36, 56] Operation: 51+5=56 Moving to Node #0,2 Current State: 49:[51, 29, 13], Operations: ['65/5=13'] Exploring Operation: 29-13=16, Resulting Numbers: [51, 16] Generated Node #0,2,0: 49:[51, 16] Operation: 29-13=16 Exploring Operation: 51-13=38, Resulting Numbers: [29, 38] Generated Node #0,2,1: 49:[29, 38] Operation: 51-13=38 Exploring Operation: 51-29=22, Resulting Numbers: [13, 22] Generated Node #0,2,2: 49:[13, 22] Operation: 51-29=22 Exploring Operation: 51+13=64, Resulting Numbers: [29, 64] Generated Node #0,2,3: 49:[29, 64] Operation: 51+13=64 Exploring Operation: 29+13=42, Resulting Numbers: [51, 42] Generated Node #0,2,4: 49:[51, 42] Operation: 29+13=42 Moving to Node #0,3 Current State: 49:[29, 5, 14], Operations: ['65-51=14'] Exploring Operation: 29-5=24, Resulting Numbers: [14, 24] Generated Node #0,3,0: 49:[14, 24] Operation: 29-5=24 Exploring Operation: 29-14=15, Resulting Numbers: [5, 15] Generated Node #0,3,1: 49:[5, 15] Operation: 29-14=15 Exploring Operation: 29+5=34, Resulting Numbers: [14, 34] Generated Node #0,3,2: 49:[14, 34] Operation: 29+5=34 Exploring Operation: 29+14=43, Resulting Numbers: [5, 43] Generated Node #0,3,3: 49:[5, 43] Operation: 29+14=43 Exploring Operation: 14-5=9, Resulting Numbers: [29, 9] Generated Node #0,3,4: 49:[29, 9] Operation: 14-5=9 Moving to Node #0,0 Current State: 49:[5, 65, 22], Operations: ['51-29=22'] Exploring Operation: 65/5=13, Resulting Numbers: [22, 13] Generated Node #0,0,0: 49:[22, 13] Operation: 65/5=13 Exploring Operation: 22-5=17, Resulting Numbers: [65, 17] Generated Node #0,0,1: 49:[65, 17] Operation: 22-5=17 Exploring Operation: 5+65=70, Resulting Numbers: [22, 70] Generated Node #0,0,2: 49:[22, 70] Operation: 5+65=70 Exploring Operation: 65-22=43, Resulting Numbers: [5, 43] Generated Node #0,0,3: 49:[5, 43] Operation: 65-22=43 Exploring Operation: 65-5=60, Resulting Numbers: [22, 60] Generated Node #0,0,4: 49:[22, 60] Operation: 65-5=60 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[5, 43], Operations: ['51-29=22', '65-22=43'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[22, 13], Operations: ['51-29=22', '65/5=13'] Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,49 unequal: No Solution Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[65, 17], Operations: ['51-29=22', '22-5=17'] Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,49 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[22, 60], Operations: ['51-29=22', '65-5=60'] Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,49 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[22, 70], Operations: ['51-29=22', '5+65=70'] Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 22+70=92, Resulting Numbers: [92] 92,49 unequal: No Solution Exploring Operation: 22*70=1540, Resulting Numbers: [1540] 1540,49 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: 49:[51, 65, 34], Operations: ['29+5=34'] Exploring Operation: 51-34=17, Resulting Numbers: [65, 17] Generated Node #0,4,0: 49:[65, 17] Operation: 51-34=17 Exploring Operation: 65+34=99, Resulting Numbers: [51, 99] Generated Node #0,4,1: 49:[51, 99] Operation: 65+34=99 Exploring Operation: 51+34=85, Resulting Numbers: [65, 85] Generated Node #0,4,2: 49:[65, 85] Operation: 51+34=85 Exploring Operation: 65-34=31, Resulting Numbers: [51, 31] Generated Node #0,4,3: 49:[51, 31] Operation: 65-34=31 Exploring Operation: 65-51=14, Resulting Numbers: [34, 14] Generated Node #0,4,4: 49:[34, 14] Operation: 65-51=14 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[51, 31], Operations: ['29+5=34', '65-34=31'] Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,49 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[34, 14], Operations: ['29+5=34', '65-51=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[65, 17], Operations: ['29+5=34', '51-34=17'] Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,49 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[51, 99], Operations: ['29+5=34', '65+34=99'] Exploring Operation: 99-51=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 51*99=5049, Resulting Numbers: [5049] 5049,49 unequal: No Solution Exploring Operation: 51+99=150, Resulting Numbers: [150] 150,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[65, 85], Operations: ['29+5=34', '51+34=85'] Exploring Operation: 65+85=150, Resulting Numbers: [150] 150,49 unequal: No Solution Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 65*85=5525, Resulting Numbers: [5525] 5525,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 49:[5, 43], Operations: ['65-51=14', '29+14=43'] Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,49 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[51, 42], Operations: ['65/5=13', '29+13=42'] Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 51+42=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 51*42=2142, Resulting Numbers: [2142] 2142,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[51, 41], Operations: ['65-29=36', '5+36=41'] Exploring Operation: 51+41=92, Resulting Numbers: [92] 92,49 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 51*41=2091, Resulting Numbers: [2091] 2091,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[5, 15], Operations: ['65-51=14', '29-14=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,49 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[5, 15], Operations: ['65-29=36', '51-36=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[51, 16], Operations: ['65/5=13', '29-13=16'] Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[36, 46], Operations: ['65-29=36', '51-5=46'] Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[36, 56], Operations: ['65-29=36', '51+5=56'] Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,49 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[51, 31], Operations: ['65-29=36', '36-5=31'] Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,49 unequal: No Solution Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,49 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[13, 22], Operations: ['65/5=13', '51-29=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,49 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[14, 34], Operations: ['65-51=14', '29+5=34'] Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 14+34=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 14*34=476, Resulting Numbers: [476] 476,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[29, 9], Operations: ['65-51=14', '14-5=9'] Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,49 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[14, 24], Operations: ['65-51=14', '29-5=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[29, 38], Operations: ['65/5=13', '51-13=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,49 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,49 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[29, 64], Operations: ['65/5=13', '51+13=64'] Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,49 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,49 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 2, 69, 78, 60 ]
53
[ "2+69=71", "78-60=18", "71-18=53" ]
Current State: 53:[2, 69, 78, 60], Operations: [] Exploring Operation: 2+69=71, Resulting Numbers: [78, 60, 71] Generated Node #2: [78, 60, 71] from Operation: 2+69=71 Current State: 53:[78, 60, 71], Operations: ['2+69=71'] Exploring Operation: 78-60=18, Resulting Numbers: [71, 18] Generated Node #3: [71, 18] from Operation: 78-60=18 Current State: 53:[71, 18], Operations: ['2+69=71', '78-60=18'] Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[2, 69, 78, 60], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [69, 60, 39] Generated Node #0,0: 53:[69, 60, 39] Operation: 78/2=39 Exploring Operation: 69-2=67, Resulting Numbers: [78, 60, 67] Generated Node #0,1: 53:[78, 60, 67] Operation: 69-2=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[69, 60, 39], Operations: ['78/2=39'] Exploring Operation: 60-39=21, Resulting Numbers: [69, 21] Generated Node #0,0,0: 53:[69, 21] Operation: 60-39=21 Exploring Operation: 69-39=30, Resulting Numbers: [60, 30] Generated Node #0,0,1: 53:[60, 30] Operation: 69-39=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[60, 30], Operations: ['78/2=39', '69-39=30'] Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[69, 21], Operations: ['78/2=39', '60-39=21'] Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,53 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[78, 60, 67], Operations: ['69-2=67'] Exploring Operation: 78-67=11, Resulting Numbers: [60, 11] Generated Node #0,1,0: 53:[60, 11] Operation: 78-67=11 Exploring Operation: 78-60=18, Resulting Numbers: [67, 18] Generated Node #0,1,1: 53:[67, 18] Operation: 78-60=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[60, 11], Operations: ['69-2=67', '78-67=11'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[67, 18], Operations: ['69-2=67', '78-60=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,53 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 50, 57, 36, 73 ]
30
[ "57-50=7", "73-36=37", "37-7=30" ]
Current State: 30:[50, 57, 36, 73], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [36, 73, 7] Generated Node #2: [36, 73, 7] from Operation: 57-50=7 Current State: 30:[36, 73, 7], Operations: ['57-50=7'] Exploring Operation: 73-36=37, Resulting Numbers: [7, 37] Generated Node #3: [7, 37] from Operation: 73-36=37 Current State: 30:[7, 37], Operations: ['57-50=7', '73-36=37'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[50, 57, 36, 73], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [50, 36, 16] Generated Node #0,0: 30:[50, 36, 16] Operation: 73-57=16 Exploring Operation: 73-50=23, Resulting Numbers: [57, 36, 23] Generated Node #0,1: 30:[57, 36, 23] Operation: 73-50=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[50, 36, 16], Operations: ['73-57=16'] Exploring Operation: 50-36=14, Resulting Numbers: [16, 14] Generated Node #0,0,0: 30:[16, 14] Operation: 50-36=14 Exploring Operation: 50-16=34, Resulting Numbers: [36, 34] Generated Node #0,0,1: 30:[36, 34] Operation: 50-16=34 Moving to Node #0,0,0 Current State: 30:[16, 14], Operations: ['73-57=16', '50-36=14'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[50, 57, 36, 73], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [50, 36, 16] Generated Node #0,0: 30:[50, 36, 16] Operation: 73-57=16 Moving to Node #0,0 Current State: 30:[50, 36, 16], Operations: ['73-57=16'] Exploring Operation: 50-36=14, Resulting Numbers: [16, 14] Generated Node #0,0,0: 30:[16, 14] Operation: 50-36=14 Moving to Node #0,0,0 Current State: 30:[16, 14], Operations: ['73-57=16', '50-36=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 54, 81, 12, 27 ]
39
[ "54-12=42", "81/27=3", "42-3=39" ]
Current State: 39:[54, 81, 12, 27], Operations: [] Exploring Operation: 54-12=42, Resulting Numbers: [81, 27, 42] Generated Node #2: [81, 27, 42] from Operation: 54-12=42 Current State: 39:[81, 27, 42], Operations: ['54-12=42'] Exploring Operation: 81/27=3, Resulting Numbers: [42, 3] Generated Node #3: [42, 3] from Operation: 81/27=3 Current State: 39:[42, 3], Operations: ['54-12=42', '81/27=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[54, 81, 12, 27], Operations: [] Exploring Operation: 81-27=54, Resulting Numbers: [54, 12, 54] Generated Node #0,0: 39:[54, 12, 54] Operation: 81-27=54 Exploring Operation: 81-54=27, Resulting Numbers: [12, 27, 27] Generated Node #0,1: 39:[12, 27, 27] Operation: 81-54=27 Exploring Operation: 54/27=2, Resulting Numbers: [81, 12, 2] Generated Node #0,2: 39:[81, 12, 2] Operation: 54/27=2 Exploring Operation: 81/27=3, Resulting Numbers: [54, 12, 3] Generated Node #0,3: 39:[54, 12, 3] Operation: 81/27=3 Moving to Node #0,3 Current State: 39:[54, 12, 3], Operations: ['81/27=3'] Exploring Operation: 54-12=42, Resulting Numbers: [3, 42] Generated Node #0,3,0: 39:[3, 42] Operation: 54-12=42 Exploring Operation: 54/3=18, Resulting Numbers: [12, 18] Generated Node #0,3,1: 39:[12, 18] Operation: 54/3=18 Exploring Operation: 54-3=51, Resulting Numbers: [12, 51] Generated Node #0,3,2: 39:[12, 51] Operation: 54-3=51 Exploring Operation: 12/3=4, Resulting Numbers: [54, 4] Generated Node #0,3,3: 39:[54, 4] Operation: 12/3=4 Moving to Node #0,1 Current State: 39:[12, 27, 27], Operations: ['81-54=27'] Exploring Operation: 12+27=39, Resulting Numbers: [27, 39] Generated Node #0,1,0: 39:[27, 39] Operation: 12+27=39 Exploring Operation: 12+27=39, Resulting Numbers: [27, 39] Generated Node #0,1,1: 39:[27, 39] Operation: 12+27=39 Exploring Operation: 27/27=1, Resulting Numbers: [12, 1] Generated Node #0,1,2: 39:[12, 1] Operation: 27/27=1 Exploring Operation: 27-27=0, Resulting Numbers: [12, 0] Generated Node #0,1,3: 39:[12, 0] Operation: 27-27=0 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[12, 1], Operations: ['81-54=27', '27/27=1'] Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[12, 0], Operations: ['81-54=27', '27-27=0'] Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[27, 39], Operations: ['81-54=27', '12+27=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,39 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[27, 39], Operations: ['81-54=27', '12+27=39'] Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,39 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,39 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: 39:[54, 12, 54], Operations: ['81-27=54'] Exploring Operation: 54-54=0, Resulting Numbers: [12, 0] Generated Node #0,0,0: 39:[12, 0] Operation: 54-54=0 Exploring Operation: 54-12=42, Resulting Numbers: [54, 42] Generated Node #0,0,1: 39:[54, 42] Operation: 54-12=42 Exploring Operation: 54-12=42, Resulting Numbers: [54, 42] Generated Node #0,0,2: 39:[54, 42] Operation: 54-12=42 Exploring Operation: 54/54=1, Resulting Numbers: [12, 1] Generated Node #0,0,3: 39:[12, 1] Operation: 54/54=1 Moving to Node #0,2 Current State: 39:[81, 12, 2], Operations: ['54/27=2'] Exploring Operation: 12+2=14, Resulting Numbers: [81, 14] Generated Node #0,2,0: 39:[81, 14] Operation: 12+2=14 Exploring Operation: 81-12=69, Resulting Numbers: [2, 69] Generated Node #0,2,1: 39:[2, 69] Operation: 81-12=69 Exploring Operation: 81-2=79, Resulting Numbers: [12, 79] Generated Node #0,2,2: 39:[12, 79] Operation: 81-2=79 Exploring Operation: 81+2=83, Resulting Numbers: [12, 83] Generated Node #0,2,3: 39:[12, 83] Operation: 81+2=83 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[2, 69], Operations: ['54/27=2', '81-12=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,39 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 39:[12, 79], Operations: ['54/27=2', '81-2=79'] Exploring Operation: 12+79=91, Resulting Numbers: [91] 91,39 unequal: No Solution Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 12*79=948, Resulting Numbers: [948] 948,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 39:[81, 14], Operations: ['54/27=2', '12+2=14'] Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,39 unequal: No Solution Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 39:[12, 83], Operations: ['54/27=2', '81+2=83'] Exploring Operation: 12*83=996, Resulting Numbers: [996] 996,39 unequal: No Solution Exploring Operation: 12+83=95, Resulting Numbers: [95] 95,39 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 39:[3, 42], Operations: ['81/27=3', '54-12=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,39 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[54, 81, 12, 27], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [54, 12, 3] Generated Node #0,3: 39:[54, 12, 3] Operation: 81/27=3 Moving to Node #0,3 Current State: 39:[54, 12, 3], Operations: ['81/27=3'] Exploring Operation: 54-12=42, Resulting Numbers: [3, 42] Generated Node #0,3,0: 39:[3, 42] Operation: 54-12=42 Moving to Node #0,3,0 Current State: 39:[3, 42], Operations: ['81/27=3', '54-12=42'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.955729
hs_4
mult_heuristic
[ 51, 35, 23, 69 ]
13
[ "51-35=16", "69/23=3", "16-3=13" ]
Current State: 13:[51, 35, 23, 69], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [23, 69, 16] Generated Node #2: [23, 69, 16] from Operation: 51-35=16 Current State: 13:[23, 69, 16], Operations: ['51-35=16'] Exploring Operation: 69/23=3, Resulting Numbers: [16, 3] Generated Node #3: [16, 3] from Operation: 69/23=3 Current State: 13:[16, 3], Operations: ['51-35=16', '69/23=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[51, 35, 23, 69], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [23, 69, 16] Generated Node #0,0: 13:[23, 69, 16] Operation: 51-35=16 Exploring Operation: 69-35=34, Resulting Numbers: [51, 23, 34] Generated Node #0,1: 13:[51, 23, 34] Operation: 69-35=34 Exploring Operation: 69-51=18, Resulting Numbers: [35, 23, 18] Generated Node #0,2: 13:[35, 23, 18] Operation: 69-51=18 Moving to Node #0,2 Current State: 13:[35, 23, 18], Operations: ['69-51=18'] Exploring Operation: 35-23=12, Resulting Numbers: [18, 12] Generated Node #0,2,0: 13:[18, 12] Operation: 35-23=12 Exploring Operation: 23-18=5, Resulting Numbers: [35, 5] Generated Node #0,2,1: 13:[35, 5] Operation: 23-18=5 Exploring Operation: 35-18=17, Resulting Numbers: [23, 17] Generated Node #0,2,2: 13:[23, 17] Operation: 35-18=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[18, 12], Operations: ['69-51=18', '35-23=12'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,13 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 #0,2,2 Current State: 13:[23, 17], Operations: ['69-51=18', '35-18=17'] Exploring Operation: 23*17=391, Resulting Numbers: [391] 391,13 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 23+17=40, Resulting Numbers: [40] 40,13 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 #0,2,1 Current State: 13:[35, 5], Operations: ['69-51=18', '23-18=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,13 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,13 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:[23, 69, 16], Operations: ['51-35=16'] Exploring Operation: 69/23=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 13:[16, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [16, 46] Generated Node #0,0,1: 13:[16, 46] Operation: 69-23=46 Exploring Operation: 69-16=53, Resulting Numbers: [23, 53] Generated Node #0,0,2: 13:[23, 53] Operation: 69-16=53 Moving to Node #0,1 Current State: 13:[51, 23, 34], Operations: ['69-35=34'] Exploring Operation: 51-23=28, Resulting Numbers: [34, 28] Generated Node #0,1,0: 13:[34, 28] Operation: 51-23=28 Exploring Operation: 51-34=17, Resulting Numbers: [23, 17] Generated Node #0,1,1: 13:[23, 17] Operation: 51-34=17 Exploring Operation: 34-23=11, Resulting Numbers: [51, 11] Generated Node #0,1,2: 13:[51, 11] Operation: 34-23=11 Moving to Node #0,0,0 Current State: 13:[16, 3], Operations: ['51-35=16', '69/23=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[51, 35, 23, 69], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [23, 69, 16] Generated Node #0,0: 13:[23, 69, 16] Operation: 51-35=16 Moving to Node #0,0 Current State: 13:[23, 69, 16], Operations: ['51-35=16'] Exploring Operation: 69/23=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 13:[16, 3] Operation: 69/23=3 Moving to Node #0,0,0 Current State: 13:[16, 3], Operations: ['51-35=16', '69/23=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 54, 19, 32, 28 ]
25
[ "54-19=35", "32+28=60", "60-35=25" ]
Current State: 25:[54, 19, 32, 28], Operations: [] Exploring Operation: 54-19=35, Resulting Numbers: [32, 28, 35] Generated Node #2: [32, 28, 35] from Operation: 54-19=35 Current State: 25:[32, 28, 35], Operations: ['54-19=35'] Exploring Operation: 32+28=60, Resulting Numbers: [35, 60] Generated Node #3: [35, 60] from Operation: 32+28=60 Current State: 25:[35, 60], Operations: ['54-19=35', '32+28=60'] Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[54, 19, 32, 28], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [19, 32, 26] Generated Node #0,0: 25:[19, 32, 26] Operation: 54-28=26 Exploring Operation: 32-28=4, Resulting Numbers: [54, 19, 4] Generated Node #0,1: 25:[54, 19, 4] Operation: 32-28=4 Exploring Operation: 32-19=13, Resulting Numbers: [54, 28, 13] Generated Node #0,2: 25:[54, 28, 13] Operation: 32-19=13 Exploring Operation: 54-32=22, Resulting Numbers: [19, 28, 22] Generated Node #0,3: 25:[19, 28, 22] Operation: 54-32=22 Exploring Operation: 54-19=35, Resulting Numbers: [32, 28, 35] Generated Node #0,4: 25:[32, 28, 35] Operation: 54-19=35 Moving to Node #0,3 Current State: 25:[19, 28, 22], Operations: ['54-32=22'] Exploring Operation: 28-22=6, Resulting Numbers: [19, 6] Generated Node #0,3,0: 25:[19, 6] Operation: 28-22=6 Exploring Operation: 22-19=3, Resulting Numbers: [28, 3] Generated Node #0,3,1: 25:[28, 3] Operation: 22-19=3 Exploring Operation: 19+28=47, Resulting Numbers: [22, 47] Generated Node #0,3,2: 25:[22, 47] Operation: 19+28=47 Exploring Operation: 28-19=9, Resulting Numbers: [22, 9] Generated Node #0,3,3: 25:[22, 9] Operation: 28-19=9 Exploring Operation: 19+22=41, Resulting Numbers: [28, 41] Generated Node #0,3,4: 25:[28, 41] Operation: 19+22=41 Moving to Node #0,0 Current State: 25:[19, 32, 26], Operations: ['54-28=26'] Exploring Operation: 32-19=13, Resulting Numbers: [26, 13] Generated Node #0,0,0: 25:[26, 13] Operation: 32-19=13 Exploring Operation: 19+26=45, Resulting Numbers: [32, 45] Generated Node #0,0,1: 25:[32, 45] Operation: 19+26=45 Exploring Operation: 26-19=7, Resulting Numbers: [32, 7] Generated Node #0,0,2: 25:[32, 7] Operation: 26-19=7 Exploring Operation: 32-26=6, Resulting Numbers: [19, 6] Generated Node #0,0,3: 25:[19, 6] Operation: 32-26=6 Exploring Operation: 19+32=51, Resulting Numbers: [26, 51] Generated Node #0,0,4: 25:[26, 51] Operation: 19+32=51 Moving to Node #0,4 Current State: 25:[32, 28, 35], Operations: ['54-19=35'] Exploring Operation: 32-28=4, Resulting Numbers: [35, 4] Generated Node #0,4,0: 25:[35, 4] Operation: 32-28=4 Exploring Operation: 35-28=7, Resulting Numbers: [32, 7] Generated Node #0,4,1: 25:[32, 7] Operation: 35-28=7 Exploring Operation: 35-32=3, Resulting Numbers: [28, 3] Generated Node #0,4,2: 25:[28, 3] Operation: 35-32=3 Exploring Operation: 32+35=67, Resulting Numbers: [28, 67] Generated Node #0,4,3: 25:[28, 67] Operation: 32+35=67 Exploring Operation: 32+28=60, Resulting Numbers: [35, 60] Generated Node #0,4,4: 25:[35, 60] Operation: 32+28=60 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 25:[28, 3], Operations: ['54-19=35', '35-32=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[54, 19, 32, 28], Operations: [] Exploring Operation: 54-19=35, Resulting Numbers: [32, 28, 35] Generated Node #0,4: 25:[32, 28, 35] Operation: 54-19=35 Moving to Node #0,4 Current State: 25:[32, 28, 35], Operations: ['54-19=35'] Exploring Operation: 35-32=3, Resulting Numbers: [28, 3] Generated Node #0,4,2: 25:[28, 3] Operation: 35-32=3 Moving to Node #0,4,2 Current State: 25:[28, 3], Operations: ['54-19=35', '35-32=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 56, 12, 5, 63 ]
53
[ "63-56=7", "12*5=60", "60-7=53" ]
Current State: 53:[56, 12, 5, 63], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [12, 5, 7] Generated Node #2: [12, 5, 7] from Operation: 63-56=7 Current State: 53:[12, 5, 7], Operations: ['63-56=7'] Exploring Operation: 12*5=60, Resulting Numbers: [7, 60] Generated Node #3: [7, 60] from Operation: 12*5=60 Current State: 53:[7, 60], Operations: ['63-56=7', '12*5=60'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[56, 12, 5, 63], Operations: [] Exploring Operation: 12*5=60, Resulting Numbers: [56, 63, 60] Generated Node #0,0: 53:[56, 63, 60] Operation: 12*5=60 Exploring Operation: 12+5=17, Resulting Numbers: [56, 63, 17] Generated Node #0,1: 53:[56, 63, 17] Operation: 12+5=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 63, 60], Operations: ['12*5=60'] Exploring Operation: 63-56=7, Resulting Numbers: [60, 7] Generated Node #0,0,0: 53:[60, 7] Operation: 63-56=7 Exploring Operation: 63-60=3, Resulting Numbers: [56, 3] Generated Node #0,0,1: 53:[56, 3] Operation: 63-60=3 Moving to Node #0,0,0 Current State: 53:[60, 7], Operations: ['12*5=60', '63-56=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[56, 12, 5, 63], Operations: [] Exploring Operation: 12*5=60, Resulting Numbers: [56, 63, 60] Generated Node #0,0: 53:[56, 63, 60] Operation: 12*5=60 Moving to Node #0,0 Current State: 53:[56, 63, 60], Operations: ['12*5=60'] Exploring Operation: 63-56=7, Resulting Numbers: [60, 7] Generated Node #0,0,0: 53:[60, 7] Operation: 63-56=7 Moving to Node #0,0,0 Current State: 53:[60, 7], Operations: ['12*5=60', '63-56=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 63, 75, 85, 3 ]
33
[ "85-75=10", "3*10=30", "63-30=33" ]
Current State: 33:[63, 75, 85, 3], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [63, 3, 10] Generated Node #2: [63, 3, 10] from Operation: 85-75=10 Current State: 33:[63, 3, 10], Operations: ['85-75=10'] Exploring Operation: 3*10=30, Resulting Numbers: [63, 30] Generated Node #3: [63, 30] from Operation: 3*10=30 Current State: 33:[63, 30], Operations: ['85-75=10', '3*10=30'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[63, 75, 85, 3], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [85, 3, 12] Generated Node #0,0: 33:[85, 3, 12] Operation: 75-63=12 Exploring Operation: 85-75=10, Resulting Numbers: [63, 3, 10] Generated Node #0,1: 33:[63, 3, 10] Operation: 85-75=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[63, 3, 10], Operations: ['85-75=10'] Exploring Operation: 63/3=21, Resulting Numbers: [10, 21] Generated Node #0,1,0: 33:[10, 21] Operation: 63/3=21 Exploring Operation: 63-10=53, Resulting Numbers: [3, 53] Generated Node #0,1,1: 33:[3, 53] Operation: 63-10=53 Moving to Node #0,1,0 Current State: 33:[10, 21], Operations: ['85-75=10', '63/3=21'] Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[3, 53], Operations: ['85-75=10', '63-10=53'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,33 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:[85, 3, 12], Operations: ['75-63=12'] Exploring Operation: 85-3=82, Resulting Numbers: [12, 82] Generated Node #0,0,0: 33:[12, 82] Operation: 85-3=82 Exploring Operation: 85-12=73, Resulting Numbers: [3, 73] Generated Node #0,0,1: 33:[3, 73] Operation: 85-12=73 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[3, 73], Operations: ['75-63=12', '85-12=73'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[12, 82], Operations: ['75-63=12', '85-3=82'] Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,33 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_2
sum_heuristic
[ 23, 37, 97, 32 ]
64
[ "97-23=74", "74/37=2", "32*2=64" ]
Current State: 64:[23, 37, 97, 32], Operations: [] Exploring Operation: 97-23=74, Resulting Numbers: [37, 32, 74] Generated Node #2: [37, 32, 74] from Operation: 97-23=74 Current State: 64:[37, 32, 74], Operations: ['97-23=74'] Exploring Operation: 74/37=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 74/37=2 Current State: 64:[32, 2], Operations: ['97-23=74', '74/37=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[23, 37, 97, 32], Operations: [] Exploring Operation: 97-23=74, Resulting Numbers: [37, 32, 74] Generated Node #0,0: 64:[37, 32, 74] Operation: 97-23=74 Exploring Operation: 97-32=65, Resulting Numbers: [23, 37, 65] Generated Node #0,1: 64:[23, 37, 65] Operation: 97-32=65 Exploring Operation: 97-37=60, Resulting Numbers: [23, 32, 60] Generated Node #0,2: 64:[23, 32, 60] Operation: 97-37=60 Exploring Operation: 37-23=14, Resulting Numbers: [97, 32, 14] Generated Node #0,3: 64:[97, 32, 14] Operation: 37-23=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[23, 32, 60], Operations: ['97-37=60'] Exploring Operation: 32-23=9, Resulting Numbers: [60, 9] Generated Node #0,2,0: 64:[60, 9] Operation: 32-23=9 Exploring Operation: 60-32=28, Resulting Numbers: [23, 28] Generated Node #0,2,1: 64:[23, 28] Operation: 60-32=28 Exploring Operation: 60-23=37, Resulting Numbers: [32, 37] Generated Node #0,2,2: 64:[32, 37] Operation: 60-23=37 Exploring Operation: 23+32=55, Resulting Numbers: [60, 55] Generated Node #0,2,3: 64:[60, 55] Operation: 23+32=55 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[60, 9], Operations: ['97-37=60', '32-23=9'] Exploring Operation: 60+9=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 60*9=540, Resulting Numbers: [540] 540,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 64:[32, 37], Operations: ['97-37=60', '60-23=37'] Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,64 unequal: No Solution Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[23, 28], Operations: ['97-37=60', '60-32=28'] Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,64 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 64:[60, 55], Operations: ['97-37=60', '23+32=55'] Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 60*55=3300, Resulting Numbers: [3300] 3300,64 unequal: No Solution Exploring Operation: 60+55=115, Resulting Numbers: [115] 115,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[23, 37, 65], Operations: ['97-32=65'] Exploring Operation: 65-23=42, Resulting Numbers: [37, 42] Generated Node #0,1,0: 64:[37, 42] Operation: 65-23=42 Exploring Operation: 65-37=28, Resulting Numbers: [23, 28] Generated Node #0,1,1: 64:[23, 28] Operation: 65-37=28 Exploring Operation: 23+37=60, Resulting Numbers: [65, 60] Generated Node #0,1,2: 64:[65, 60] Operation: 23+37=60 Exploring Operation: 37-23=14, Resulting Numbers: [65, 14] Generated Node #0,1,3: 64:[65, 14] Operation: 37-23=14 Moving to Node #0,1,3 Current State: 64:[65, 14], Operations: ['97-32=65', '37-23=14'] Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 65*14=910, Resulting Numbers: [910] 910,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[65, 60], Operations: ['97-32=65', '23+37=60'] Exploring Operation: 65*60=3900, Resulting Numbers: [3900] 3900,64 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,64 unequal: No Solution Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[23, 28], Operations: ['97-32=65', '65-37=28'] Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,64 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[37, 42], Operations: ['97-32=65', '65-23=42'] Exploring Operation: 37*42=1554, Resulting Numbers: [1554] 1554,64 unequal: No Solution Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 37+42=79, Resulting Numbers: [79] 79,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[37, 32, 74], Operations: ['97-23=74'] Exploring Operation: 74-37=37, Resulting Numbers: [32, 37] Generated Node #0,0,0: 64:[32, 37] Operation: 74-37=37 Exploring Operation: 37+32=69, Resulting Numbers: [74, 69] Generated Node #0,0,1: 64:[74, 69] Operation: 37+32=69 Exploring Operation: 74/37=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 64:[32, 2] Operation: 74/37=2 Exploring Operation: 37-32=5, Resulting Numbers: [74, 5] Generated Node #0,0,3: 64:[74, 5] Operation: 37-32=5 Moving to Node #0,0,2 Current State: 64:[32, 2], Operations: ['97-23=74', '74/37=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[23, 37, 97, 32], Operations: [] Exploring Operation: 97-23=74, Resulting Numbers: [37, 32, 74] Generated Node #0,0: 64:[37, 32, 74] Operation: 97-23=74 Moving to Node #0,0 Current State: 64:[37, 32, 74], Operations: ['97-23=74'] Exploring Operation: 74/37=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 64:[32, 2] Operation: 74/37=2 Moving to Node #0,0,2 Current State: 64:[32, 2], Operations: ['97-23=74', '74/37=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 44, 36, 29, 24 ]
27
[ "44+36=80", "29+24=53", "80-53=27" ]
Current State: 27:[44, 36, 29, 24], Operations: [] Exploring Operation: 44+36=80, Resulting Numbers: [29, 24, 80] Generated Node #2: [29, 24, 80] from Operation: 44+36=80 Current State: 27:[29, 24, 80], Operations: ['44+36=80'] Exploring Operation: 29+24=53, Resulting Numbers: [80, 53] Generated Node #3: [80, 53] from Operation: 29+24=53 Current State: 27:[80, 53], Operations: ['44+36=80', '29+24=53'] Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[44, 36, 29, 24], Operations: [] Exploring Operation: 36-29=7, Resulting Numbers: [44, 24, 7] Generated Node #0,0: 27:[44, 24, 7] Operation: 36-29=7 Exploring Operation: 44-29=15, Resulting Numbers: [36, 24, 15] Generated Node #0,1: 27:[36, 24, 15] Operation: 44-29=15 Exploring Operation: 44-24=20, Resulting Numbers: [36, 29, 20] Generated Node #0,2: 27:[36, 29, 20] Operation: 44-24=20 Exploring Operation: 44-36=8, Resulting Numbers: [29, 24, 8] Generated Node #0,3: 27:[29, 24, 8] Operation: 44-36=8 Exploring Operation: 36-24=12, Resulting Numbers: [44, 29, 12] Generated Node #0,4: 27:[44, 29, 12] Operation: 36-24=12 Moving to Node #0,3 Current State: 27:[29, 24, 8], Operations: ['44-36=8'] Exploring Operation: 24-8=16, Resulting Numbers: [29, 16] Generated Node #0,3,0: 27:[29, 16] Operation: 24-8=16 Exploring Operation: 29-8=21, Resulting Numbers: [24, 21] Generated Node #0,3,1: 27:[24, 21] Operation: 29-8=21 Exploring Operation: 29-24=5, Resulting Numbers: [8, 5] Generated Node #0,3,2: 27:[8, 5] Operation: 29-24=5 Exploring Operation: 24+8=32, Resulting Numbers: [29, 32] Generated Node #0,3,3: 27:[29, 32] Operation: 24+8=32 Exploring Operation: 24/8=3, Resulting Numbers: [29, 3] Generated Node #0,3,4: 27:[29, 3] Operation: 24/8=3 Moving to Node #0,2 Current State: 27:[36, 29, 20], Operations: ['44-24=20'] Exploring Operation: 36-29=7, Resulting Numbers: [20, 7] Generated Node #0,2,0: 27:[20, 7] Operation: 36-29=7 Exploring Operation: 29-20=9, Resulting Numbers: [36, 9] Generated Node #0,2,1: 27:[36, 9] Operation: 29-20=9 Exploring Operation: 36-20=16, Resulting Numbers: [29, 16] Generated Node #0,2,2: 27:[29, 16] Operation: 36-20=16 Exploring Operation: 36+20=56, Resulting Numbers: [29, 56] Generated Node #0,2,3: 27:[29, 56] Operation: 36+20=56 Exploring Operation: 29+20=49, Resulting Numbers: [36, 49] Generated Node #0,2,4: 27:[36, 49] Operation: 29+20=49 Moving to Node #0,1 Current State: 27:[36, 24, 15], Operations: ['44-29=15'] Exploring Operation: 36-24=12, Resulting Numbers: [15, 12] Generated Node #0,1,0: 27:[15, 12] Operation: 36-24=12 Exploring Operation: 24-15=9, Resulting Numbers: [36, 9] Generated Node #0,1,1: 27:[36, 9] Operation: 24-15=9 Exploring Operation: 36+15=51, Resulting Numbers: [24, 51] Generated Node #0,1,2: 27:[24, 51] Operation: 36+15=51 Exploring Operation: 36-15=21, Resulting Numbers: [24, 21] Generated Node #0,1,3: 27:[24, 21] Operation: 36-15=21 Exploring Operation: 24+15=39, Resulting Numbers: [36, 39] Generated Node #0,1,4: 27:[36, 39] Operation: 24+15=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[15, 12], Operations: ['44-29=15', '36-24=12'] Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,27 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[44, 36, 29, 24], Operations: [] Exploring Operation: 44-29=15, Resulting Numbers: [36, 24, 15] Generated Node #0,1: 27:[36, 24, 15] Operation: 44-29=15 Moving to Node #0,1 Current State: 27:[36, 24, 15], Operations: ['44-29=15'] Exploring Operation: 36-24=12, Resulting Numbers: [15, 12] Generated Node #0,1,0: 27:[15, 12] Operation: 36-24=12 Moving to Node #0,1,0 Current State: 27:[15, 12], Operations: ['44-29=15', '36-24=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 5, 68, 97, 67 ]
93
[ "68-5=63", "97-67=30", "63+30=93" ]
Current State: 93:[5, 68, 97, 67], Operations: [] Exploring Operation: 68-5=63, Resulting Numbers: [97, 67, 63] Generated Node #2: [97, 67, 63] from Operation: 68-5=63 Current State: 93:[97, 67, 63], Operations: ['68-5=63'] Exploring Operation: 97-67=30, Resulting Numbers: [63, 30] Generated Node #3: [63, 30] from Operation: 97-67=30 Current State: 93:[63, 30], Operations: ['68-5=63', '97-67=30'] Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[5, 68, 97, 67], Operations: [] Exploring Operation: 97-67=30, Resulting Numbers: [5, 68, 30] Generated Node #0,0: 93:[5, 68, 30] Operation: 97-67=30 Exploring Operation: 68-67=1, Resulting Numbers: [5, 97, 1] Generated Node #0,1: 93:[5, 97, 1] Operation: 68-67=1 Moving to Node #0,1 Current State: 93:[5, 97, 1], Operations: ['68-67=1'] Exploring Operation: 97-5=92, Resulting Numbers: [1, 92] Generated Node #0,1,0: 93:[1, 92] Operation: 97-5=92 Exploring Operation: 5-1=4, Resulting Numbers: [97, 4] Generated Node #0,1,1: 93:[97, 4] Operation: 5-1=4 Moving to Node #0,0 Current State: 93:[5, 68, 30], Operations: ['97-67=30'] Exploring Operation: 68+30=98, Resulting Numbers: [5, 98] Generated Node #0,0,0: 93:[5, 98] Operation: 68+30=98 Exploring Operation: 68-30=38, Resulting Numbers: [5, 38] Generated Node #0,0,1: 93:[5, 38] Operation: 68-30=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[5, 98], Operations: ['97-67=30', '68+30=98'] Exploring Operation: 5+98=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[5, 68, 97, 67], Operations: [] Exploring Operation: 97-67=30, Resulting Numbers: [5, 68, 30] Generated Node #0,0: 93:[5, 68, 30] Operation: 97-67=30 Moving to Node #0,0 Current State: 93:[5, 68, 30], Operations: ['97-67=30'] Exploring Operation: 68+30=98, Resulting Numbers: [5, 98] Generated Node #0,0,0: 93:[5, 98] Operation: 68+30=98 Moving to Node #0,0,0 Current State: 93:[5, 98], Operations: ['97-67=30', '68+30=98'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 27, 68, 29, 26 ]
92
[ "27+68=95", "29-26=3", "95-3=92" ]
Current State: 92:[27, 68, 29, 26], Operations: [] Exploring Operation: 27+68=95, Resulting Numbers: [29, 26, 95] Generated Node #2: [29, 26, 95] from Operation: 27+68=95 Current State: 92:[29, 26, 95], Operations: ['27+68=95'] Exploring Operation: 29-26=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 29-26=3 Current State: 92:[95, 3], Operations: ['27+68=95', '29-26=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[27, 68, 29, 26], Operations: [] Exploring Operation: 27+68=95, Resulting Numbers: [29, 26, 95] Generated Node #0,0: 92:[29, 26, 95] Operation: 27+68=95 Exploring Operation: 68+29=97, Resulting Numbers: [27, 26, 97] Generated Node #0,1: 92:[27, 26, 97] Operation: 68+29=97 Moving to Node #0,0 Current State: 92:[29, 26, 95], Operations: ['27+68=95'] Exploring Operation: 29+26=55, Resulting Numbers: [95, 55] Generated Node #0,0,0: 92:[95, 55] Operation: 29+26=55 Exploring Operation: 29-26=3, Resulting Numbers: [95, 3] Generated Node #0,0,1: 92:[95, 3] Operation: 29-26=3 Moving to Node #0,1 Current State: 92:[27, 26, 97], Operations: ['68+29=97'] Exploring Operation: 27-26=1, Resulting Numbers: [97, 1] Generated Node #0,1,0: 92:[97, 1] Operation: 27-26=1 Exploring Operation: 27+26=53, Resulting Numbers: [97, 53] Generated Node #0,1,1: 92:[97, 53] Operation: 27+26=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[97, 1], Operations: ['68+29=97', '27-26=1'] Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,92 unequal: No Solution Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[97, 53], Operations: ['68+29=97', '27+26=53'] Exploring Operation: 97-53=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 97+53=150, Resulting Numbers: [150] 150,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 92:[95, 3], Operations: ['27+68=95', '29-26=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,92 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[27, 68, 29, 26], Operations: [] Exploring Operation: 27+68=95, Resulting Numbers: [29, 26, 95] Generated Node #0,0: 92:[29, 26, 95] Operation: 27+68=95 Moving to Node #0,0 Current State: 92:[29, 26, 95], Operations: ['27+68=95'] Exploring Operation: 29-26=3, Resulting Numbers: [95, 3] Generated Node #0,0,1: 92:[95, 3] Operation: 29-26=3 Moving to Node #0,0,1 Current State: 92:[95, 3], Operations: ['27+68=95', '29-26=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 29, 77, 82, 27 ]
61
[ "77-29=48", "82+27=109", "109-48=61" ]
Current State: 61:[29, 77, 82, 27], Operations: [] Exploring Operation: 77-29=48, Resulting Numbers: [82, 27, 48] Generated Node #2: [82, 27, 48] from Operation: 77-29=48 Current State: 61:[82, 27, 48], Operations: ['77-29=48'] Exploring Operation: 82+27=109, Resulting Numbers: [48, 109] Generated Node #3: [48, 109] from Operation: 82+27=109 Current State: 61:[48, 109], Operations: ['77-29=48', '82+27=109'] Exploring Operation: 109-48=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[29, 77, 82, 27], Operations: [] Exploring Operation: 82-27=55, Resulting Numbers: [29, 77, 55] Generated Node #0,0: 61:[29, 77, 55] Operation: 82-27=55 Exploring Operation: 29+27=56, Resulting Numbers: [77, 82, 56] Generated Node #0,1: 61:[77, 82, 56] Operation: 29+27=56 Moving to Node #0,1 Current State: 61:[77, 82, 56], Operations: ['29+27=56'] Exploring Operation: 82-56=26, Resulting Numbers: [77, 26] Generated Node #0,1,0: 61:[77, 26] Operation: 82-56=26 Exploring Operation: 82-77=5, Resulting Numbers: [56, 5] Generated Node #0,1,1: 61:[56, 5] Operation: 82-77=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[77, 26], Operations: ['29+27=56', '82-56=26'] Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,61 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[56, 5], Operations: ['29+27=56', '82-77=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[29, 77, 82, 27], Operations: [] Exploring Operation: 29+27=56, Resulting Numbers: [77, 82, 56] Generated Node #0,1: 61:[77, 82, 56] Operation: 29+27=56 Moving to Node #0,1 Current State: 61:[77, 82, 56], Operations: ['29+27=56'] Exploring Operation: 82-77=5, Resulting Numbers: [56, 5] Generated Node #0,1,1: 61:[56, 5] Operation: 82-77=5 Moving to Node #0,1,1 Current State: 61:[56, 5], Operations: ['29+27=56', '82-77=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 45, 16, 55, 25 ]
37
[ "16*55=880", "45+880=925", "925/25=37" ]
Current State: 37:[45, 16, 55, 25], Operations: [] Exploring Operation: 16*55=880, Resulting Numbers: [45, 25, 880] Generated Node #2: [45, 25, 880] from Operation: 16*55=880 Current State: 37:[45, 25, 880], Operations: ['16*55=880'] Exploring Operation: 45+880=925, Resulting Numbers: [25, 925] Generated Node #3: [25, 925] from Operation: 45+880=925 Current State: 37:[25, 925], Operations: ['16*55=880', '45+880=925'] Exploring Operation: 925/25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[45, 16, 55, 25], Operations: [] Exploring Operation: 16+25=41, Resulting Numbers: [45, 55, 41] Generated Node #0,0: 37:[45, 55, 41] Operation: 16+25=41 Exploring Operation: 55-16=39, Resulting Numbers: [45, 25, 39] Generated Node #0,1: 37:[45, 25, 39] Operation: 55-16=39 Exploring Operation: 55-25=30, Resulting Numbers: [45, 16, 30] Generated Node #0,2: 37:[45, 16, 30] Operation: 55-25=30 Exploring Operation: 45-16=29, Resulting Numbers: [55, 25, 29] Generated Node #0,3: 37:[55, 25, 29] Operation: 45-16=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[45, 25, 39], Operations: ['55-16=39'] Exploring Operation: 45+25=70, Resulting Numbers: [39, 70] Generated Node #0,1,0: 37:[39, 70] Operation: 45+25=70 Exploring Operation: 45-25=20, Resulting Numbers: [39, 20] Generated Node #0,1,1: 37:[39, 20] Operation: 45-25=20 Exploring Operation: 25+39=64, Resulting Numbers: [45, 64] Generated Node #0,1,2: 37:[45, 64] Operation: 25+39=64 Exploring Operation: 39-25=14, Resulting Numbers: [45, 14] Generated Node #0,1,3: 37:[45, 14] Operation: 39-25=14 Moving to Node #0,1,1 Current State: 37:[39, 20], Operations: ['55-16=39', '45-25=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,37 unequal: No Solution Moving to Node #0,1,3 Current State: 37:[45, 14], Operations: ['55-16=39', '39-25=14'] Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,37 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[45, 64], Operations: ['55-16=39', '25+39=64'] Exploring Operation: 45+64=109, Resulting Numbers: [109] 109,37 unequal: No Solution Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 45*64=2880, Resulting Numbers: [2880] 2880,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[39, 70], Operations: ['55-16=39', '45+25=70'] Exploring Operation: 39+70=109, Resulting Numbers: [109] 109,37 unequal: No Solution Exploring Operation: 39*70=2730, Resulting Numbers: [2730] 2730,37 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[45, 55, 41], Operations: ['16+25=41'] Exploring Operation: 45-41=4, Resulting Numbers: [55, 4] Generated Node #0,0,0: 37:[55, 4] Operation: 45-41=4 Exploring Operation: 55-45=10, Resulting Numbers: [41, 10] Generated Node #0,0,1: 37:[41, 10] Operation: 55-45=10 Exploring Operation: 55-41=14, Resulting Numbers: [45, 14] Generated Node #0,0,2: 37:[45, 14] Operation: 55-41=14 Exploring Operation: 45+55=100, Resulting Numbers: [41, 100] Generated Node #0,0,3: 37:[41, 100] Operation: 45+55=100 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[41, 10], Operations: ['16+25=41', '55-45=10'] Exploring Operation: 41+10=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 41*10=410, Resulting Numbers: [410] 410,37 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,37 unequal: No Solution No 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: 37:[45, 14], Operations: ['16+25=41', '55-41=14'] Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,37 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,37 unequal: No Solution No 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: 37:[55, 4], Operations: ['16+25=41', '45-41=4'] Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,37 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,37 unequal: No Solution No 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: 37:[41, 100], Operations: ['16+25=41', '45+55=100'] Exploring Operation: 100-41=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 41*100=4100, Resulting Numbers: [4100] 4100,37 unequal: No Solution Exploring Operation: 41+100=141, Resulting Numbers: [141] 141,37 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: 37:[45, 16, 30], Operations: ['55-25=30'] Exploring Operation: 30-16=14, Resulting Numbers: [45, 14] Generated Node #0,2,0: 37:[45, 14] Operation: 30-16=14 Exploring Operation: 16+30=46, Resulting Numbers: [45, 46] Generated Node #0,2,1: 37:[45, 46] Operation: 16+30=46 Exploring Operation: 45-16=29, Resulting Numbers: [30, 29] Generated Node #0,2,2: 37:[30, 29] Operation: 45-16=29 Exploring Operation: 45+16=61, Resulting Numbers: [30, 61] Generated Node #0,2,3: 37:[30, 61] Operation: 45+16=61 Moving to Node #0,2,2 Current State: 37:[30, 29], Operations: ['55-25=30', '45-16=29'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[45, 46], Operations: ['55-25=30', '16+30=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,37 unequal: No Solution Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,37 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,2,3 Current State: 37:[30, 61], Operations: ['55-25=30', '45+16=61'] Exploring Operation: 30*61=1830, Resulting Numbers: [1830] 1830,37 unequal: No Solution Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 30+61=91, Resulting Numbers: [91] 91,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[45, 14], Operations: ['55-25=30', '30-16=14'] Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,37 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[55, 25, 29], Operations: ['45-16=29'] Exploring Operation: 25+29=54, Resulting Numbers: [55, 54] Generated Node #0,3,0: 37:[55, 54] Operation: 25+29=54 Exploring Operation: 55+25=80, Resulting Numbers: [29, 80] Generated Node #0,3,1: 37:[29, 80] Operation: 55+25=80 Exploring Operation: 55-29=26, Resulting Numbers: [25, 26] Generated Node #0,3,2: 37:[25, 26] Operation: 55-29=26 Exploring Operation: 55-25=30, Resulting Numbers: [29, 30] Generated Node #0,3,3: 37:[29, 30] Operation: 55-25=30 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 37:[29, 30], Operations: ['45-16=29', '55-25=30'] Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 29*30=870, Resulting Numbers: [870] 870,37 unequal: No Solution No 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: 37:[25, 26], Operations: ['45-16=29', '55-29=26'] Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,37 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,37 unequal: No Solution No 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: 37:[55, 54], Operations: ['45-16=29', '25+29=54'] Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,37 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,37 unequal: No Solution No 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: 37:[29, 80], Operations: ['45-16=29', '55+25=80'] Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,37 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,37 unequal: No Solution Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 14, 63, 60, 74 ]
20
[ "14+63=77", "77-74=3", "60/3=20" ]
Current State: 20:[14, 63, 60, 74], Operations: [] Exploring Operation: 14+63=77, Resulting Numbers: [60, 74, 77] Generated Node #2: [60, 74, 77] from Operation: 14+63=77 Current State: 20:[60, 74, 77], Operations: ['14+63=77'] Exploring Operation: 77-74=3, Resulting Numbers: [60, 3] Generated Node #3: [60, 3] from Operation: 77-74=3 Current State: 20:[60, 3], Operations: ['14+63=77', '77-74=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[14, 63, 60, 74], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [14, 60, 11] Generated Node #0,0: 20:[14, 60, 11] Operation: 74-63=11 Exploring Operation: 74-60=14, Resulting Numbers: [14, 63, 14] Generated Node #0,1: 20:[14, 63, 14] Operation: 74-60=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[14, 60, 11], Operations: ['74-63=11'] Exploring Operation: 60-14=46, Resulting Numbers: [11, 46] Generated Node #0,0,0: 20:[11, 46] Operation: 60-14=46 Exploring Operation: 60-11=49, Resulting Numbers: [14, 49] Generated Node #0,0,1: 20:[14, 49] Operation: 60-11=49 Moving to Node #0,0,0 Current State: 20:[11, 46], Operations: ['74-63=11', '60-14=46'] Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[14, 49], Operations: ['74-63=11', '60-11=49'] Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[14, 63, 14], Operations: ['74-60=14'] Exploring Operation: 63-14=49, Resulting Numbers: [14, 49] Generated Node #0,1,0: 20:[14, 49] Operation: 63-14=49 Exploring Operation: 63-14=49, Resulting Numbers: [14, 49] Generated Node #0,1,1: 20:[14, 49] Operation: 63-14=49 Moving to Node #0,1,0 Current State: 20:[14, 49], Operations: ['74-60=14', '63-14=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[14, 49], Operations: ['74-60=14', '63-14=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 81, 82, 50, 82 ]
32
[ "82-81=1", "82-50=32", "1*32=32" ]
Current State: 32:[81, 82, 50, 82], Operations: [] Exploring Operation: 82-81=1, Resulting Numbers: [50, 1] Generated Node #2: [50, 1] from Operation: 82-81=1 Current State: 32:[50, 1], Operations: ['82-81=1'] Exploring Operation: 82-50=32, Resulting Numbers: [1, 32] Generated Node #3: [1, 32] from Operation: 82-50=32 Current State: 32:[1, 32], Operations: ['82-81=1', '82-50=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[81, 82, 50, 82], Operations: [] Exploring Operation: 82-81=1, Resulting Numbers: [50, 82, 1] Generated Node #0,0: 32:[50, 82, 1] Operation: 82-81=1 Exploring Operation: 82-50=32, Resulting Numbers: [81, 82, 32] Generated Node #0,1: 32:[81, 82, 32] Operation: 82-50=32 Exploring Operation: 82-81=1, Resulting Numbers: [82, 50, 1] Generated Node #0,2: 32:[82, 50, 1] Operation: 82-81=1 Exploring Operation: 82/82=1, Resulting Numbers: [81, 50, 1] Generated Node #0,3: 32:[81, 50, 1] Operation: 82/82=1 Exploring Operation: 82-82=0, Resulting Numbers: [81, 50, 0] Generated Node #0,4: 32:[81, 50, 0] Operation: 82-82=0 Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[81, 50, 1], Operations: ['82/82=1'] Exploring Operation: 81*1=81, Resulting Numbers: [50, 81] Generated Node #0,3,0: 32:[50, 81] Operation: 81*1=81 Exploring Operation: 81-1=80, Resulting Numbers: [50, 80] Generated Node #0,3,1: 32:[50, 80] Operation: 81-1=80 Exploring Operation: 81/1=81, Resulting Numbers: [50, 81] Generated Node #0,3,2: 32:[50, 81] Operation: 81/1=81 Exploring Operation: 50-1=49, Resulting Numbers: [81, 49] Generated Node #0,3,3: 32:[81, 49] Operation: 50-1=49 Exploring Operation: 81-50=31, Resulting Numbers: [1, 31] Generated Node #0,3,4: 32:[1, 31] Operation: 81-50=31 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 32:[1, 31], Operations: ['82/82=1', '81-50=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[81, 82, 50, 82], Operations: [] Exploring Operation: 82/82=1, Resulting Numbers: [81, 50, 1] Generated Node #0,3: 32:[81, 50, 1] Operation: 82/82=1 Moving to Node #0,3 Current State: 32:[81, 50, 1], Operations: ['82/82=1'] Exploring Operation: 81-50=31, Resulting Numbers: [1, 31] Generated Node #0,3,4: 32:[1, 31] Operation: 81-50=31 Moving to Node #0,3,4 Current State: 32:[1, 31], Operations: ['82/82=1', '81-50=31'] Exploring Operation: 1+31=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 60, 37, 1, 35 ]
13
[ "60-37=23", "1+35=36", "36-23=13" ]
Current State: 13:[60, 37, 1, 35], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [1, 35, 23] Generated Node #2: [1, 35, 23] from Operation: 60-37=23 Current State: 13:[1, 35, 23], Operations: ['60-37=23'] Exploring Operation: 1+35=36, Resulting Numbers: [23, 36] Generated Node #3: [23, 36] from Operation: 1+35=36 Current State: 13:[23, 36], Operations: ['60-37=23', '1+35=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[60, 37, 1, 35], Operations: [] Exploring Operation: 37-1=36, Resulting Numbers: [60, 35, 36] Generated Node #0,0: 13:[60, 35, 36] Operation: 37-1=36 Exploring Operation: 60-1=59, Resulting Numbers: [37, 35, 59] Generated Node #0,1: 13:[37, 35, 59] Operation: 60-1=59 Exploring Operation: 60-35=25, Resulting Numbers: [37, 1, 25] Generated Node #0,2: 13:[37, 1, 25] Operation: 60-35=25 Exploring Operation: 37-35=2, Resulting Numbers: [60, 1, 2] Generated Node #0,3: 13:[60, 1, 2] Operation: 37-35=2 Exploring Operation: 60-37=23, Resulting Numbers: [1, 35, 23] Generated Node #0,4: 13:[1, 35, 23] Operation: 60-37=23 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[1, 35, 23], Operations: ['60-37=23'] Exploring Operation: 35-1=34, Resulting Numbers: [23, 34] Generated Node #0,4,0: 13:[23, 34] Operation: 35-1=34 Exploring Operation: 1*35=35, Resulting Numbers: [23, 35] Generated Node #0,4,1: 13:[23, 35] Operation: 1*35=35 Exploring Operation: 23-1=22, Resulting Numbers: [35, 22] Generated Node #0,4,2: 13:[35, 22] Operation: 23-1=22 Exploring Operation: 35/1=35, Resulting Numbers: [23, 35] Generated Node #0,4,3: 13:[23, 35] Operation: 35/1=35 Exploring Operation: 35-23=12, Resulting Numbers: [1, 12] Generated Node #0,4,4: 13:[1, 12] Operation: 35-23=12 Moving to Node #0,4,4 Current State: 13:[1, 12], Operations: ['60-37=23', '35-23=12'] Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[60, 37, 1, 35], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [1, 35, 23] Generated Node #0,4: 13:[1, 35, 23] Operation: 60-37=23 Moving to Node #0,4 Current State: 13:[1, 35, 23], Operations: ['60-37=23'] Exploring Operation: 35-23=12, Resulting Numbers: [1, 12] Generated Node #0,4,4: 13:[1, 12] Operation: 35-23=12 Moving to Node #0,4,4 Current State: 13:[1, 12], Operations: ['60-37=23', '35-23=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 60, 40, 9, 50 ]
57
[ "60*40=2400", "2400/50=48", "9+48=57" ]
Current State: 57:[60, 40, 9, 50], Operations: [] Exploring Operation: 60*40=2400, Resulting Numbers: [9, 50, 2400] Generated Node #2: [9, 50, 2400] from Operation: 60*40=2400 Current State: 57:[9, 50, 2400], Operations: ['60*40=2400'] Exploring Operation: 2400/50=48, Resulting Numbers: [9, 48] Generated Node #3: [9, 48] from Operation: 2400/50=48 Current State: 57:[9, 48], Operations: ['60*40=2400', '2400/50=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[60, 40, 9, 50], Operations: [] Exploring Operation: 50-40=10, Resulting Numbers: [60, 9, 10] Generated Node #0,0: 57:[60, 9, 10] Operation: 50-40=10 Exploring Operation: 60-40=20, Resulting Numbers: [9, 50, 20] Generated Node #0,1: 57:[9, 50, 20] Operation: 60-40=20 Exploring Operation: 40+9=49, Resulting Numbers: [60, 50, 49] Generated Node #0,2: 57:[60, 50, 49] Operation: 40+9=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[9, 50, 20], Operations: ['60-40=20'] Exploring Operation: 9+50=59, Resulting Numbers: [20, 59] Generated Node #0,1,0: 57:[20, 59] Operation: 9+50=59 Exploring Operation: 50-9=41, Resulting Numbers: [20, 41] Generated Node #0,1,1: 57:[20, 41] Operation: 50-9=41 Exploring Operation: 20-9=11, Resulting Numbers: [50, 11] Generated Node #0,1,2: 57:[50, 11] Operation: 20-9=11 Moving to Node #0,1,0 Current State: 57:[20, 59], Operations: ['60-40=20', '9+50=59'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,57 unequal: No Solution Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[50, 11], Operations: ['60-40=20', '20-9=11'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,57 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[20, 41], Operations: ['60-40=20', '50-9=41'] Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,57 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[60, 9, 10], Operations: ['50-40=10'] Exploring Operation: 60/10=6, Resulting Numbers: [9, 6] Generated Node #0,0,0: 57:[9, 6] Operation: 60/10=6 Exploring Operation: 9+10=19, Resulting Numbers: [60, 19] Generated Node #0,0,1: 57:[60, 19] Operation: 9+10=19 Exploring Operation: 10-9=1, Resulting Numbers: [60, 1] Generated Node #0,0,2: 57:[60, 1] Operation: 10-9=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[60, 19], Operations: ['50-40=10', '9+10=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,57 unequal: No Solution Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[60, 1], Operations: ['50-40=10', '10-9=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,57 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[9, 6], Operations: ['50-40=10', '60/10=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[60, 50, 49], Operations: ['40+9=49'] Exploring Operation: 60-50=10, Resulting Numbers: [49, 10] Generated Node #0,2,0: 57:[49, 10] Operation: 60-50=10 Exploring Operation: 60-49=11, Resulting Numbers: [50, 11] Generated Node #0,2,1: 57:[50, 11] Operation: 60-49=11 Exploring Operation: 50-49=1, Resulting Numbers: [60, 1] Generated Node #0,2,2: 57:[60, 1] Operation: 50-49=1 Moving to Node #0,2,2 Current State: 57:[60, 1], Operations: ['40+9=49', '50-49=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,57 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[49, 10], Operations: ['40+9=49', '60-50=10'] Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,57 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,57 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[50, 11], Operations: ['40+9=49', '60-49=11'] Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,57 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,57 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
[ 14, 23, 72, 95 ]
87
[ "23-14=9", "72/9=8", "95-8=87" ]
Current State: 87:[14, 23, 72, 95], Operations: [] Exploring Operation: 23-14=9, Resulting Numbers: [72, 95, 9] Generated Node #2: [72, 95, 9] from Operation: 23-14=9 Current State: 87:[72, 95, 9], Operations: ['23-14=9'] Exploring Operation: 72/9=8, Resulting Numbers: [95, 8] Generated Node #3: [95, 8] from Operation: 72/9=8 Current State: 87:[95, 8], Operations: ['23-14=9', '72/9=8'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[14, 23, 72, 95], Operations: [] Exploring Operation: 23-14=9, Resulting Numbers: [72, 95, 9] Generated Node #0,0: 87:[72, 95, 9] Operation: 23-14=9 Exploring Operation: 95-14=81, Resulting Numbers: [23, 72, 81] Generated Node #0,1: 87:[23, 72, 81] Operation: 95-14=81 Exploring Operation: 95-72=23, Resulting Numbers: [14, 23, 23] Generated Node #0,2: 87:[14, 23, 23] Operation: 95-72=23 Exploring Operation: 23+72=95, Resulting Numbers: [14, 95, 95] Generated Node #0,3: 87:[14, 95, 95] Operation: 23+72=95 Exploring Operation: 14+72=86, Resulting Numbers: [23, 95, 86] Generated Node #0,4: 87:[23, 95, 86] Operation: 14+72=86 Start Sub Search at level 1: Moving to Node #0,4 Current State: 87:[23, 95, 86], Operations: ['14+72=86'] Exploring Operation: 23+86=109, Resulting Numbers: [95, 109] Generated Node #0,4,0: 87:[95, 109] Operation: 23+86=109 Exploring Operation: 86-23=63, Resulting Numbers: [95, 63] Generated Node #0,4,1: 87:[95, 63] Operation: 86-23=63 Exploring Operation: 95-86=9, Resulting Numbers: [23, 9] Generated Node #0,4,2: 87:[23, 9] Operation: 95-86=9 Exploring Operation: 23+95=118, Resulting Numbers: [86, 118] Generated Node #0,4,3: 87:[86, 118] Operation: 23+95=118 Exploring Operation: 95-23=72, Resulting Numbers: [86, 72] Generated Node #0,4,4: 87:[86, 72] Operation: 95-23=72 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 87:[23, 9], Operations: ['14+72=86', '95-86=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,87 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 87:[86, 72], Operations: ['14+72=86', '95-23=72'] Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 86+72=158, Resulting Numbers: [158] 158,87 unequal: No Solution Exploring Operation: 86*72=6192, Resulting Numbers: [6192] 6192,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 87:[95, 109], Operations: ['14+72=86', '23+86=109'] Exploring Operation: 109-95=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 95*109=10355, Resulting Numbers: [10355] 10355,87 unequal: No Solution Exploring Operation: 95+109=204, Resulting Numbers: [204] 204,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 87:[95, 63], Operations: ['14+72=86', '86-23=63'] Exploring Operation: 95*63=5985, Resulting Numbers: [5985] 5985,87 unequal: No Solution Exploring Operation: 95+63=158, Resulting Numbers: [158] 158,87 unequal: No Solution Exploring Operation: 95-63=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 87:[86, 118], Operations: ['14+72=86', '23+95=118'] Exploring Operation: 118-86=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 86+118=204, Resulting Numbers: [204] 204,87 unequal: No Solution Exploring Operation: 86*118=10148, Resulting Numbers: [10148] 10148,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[14, 23, 23], Operations: ['95-72=23'] Exploring Operation: 23-14=9, Resulting Numbers: [23, 9] Generated Node #0,2,0: 87:[23, 9] Operation: 23-14=9 Exploring Operation: 23-14=9, Resulting Numbers: [23, 9] Generated Node #0,2,1: 87:[23, 9] Operation: 23-14=9 Exploring Operation: 14+23=37, Resulting Numbers: [23, 37] Generated Node #0,2,2: 87:[23, 37] Operation: 14+23=37 Exploring Operation: 23/23=1, Resulting Numbers: [14, 1] Generated Node #0,2,3: 87:[14, 1] Operation: 23/23=1 Exploring Operation: 14+23=37, Resulting Numbers: [23, 37] Generated Node #0,2,4: 87:[23, 37] Operation: 14+23=37 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 87:[23, 9], Operations: ['95-72=23', '23-14=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,87 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 87:[23, 9], Operations: ['95-72=23', '23-14=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,87 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 87:[14, 1], Operations: ['95-72=23', '23/23=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 87:[23, 37], Operations: ['95-72=23', '14+23=37'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,87 unequal: No Solution Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 87:[23, 37], Operations: ['95-72=23', '14+23=37'] Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,87 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[23, 72, 81], Operations: ['95-14=81'] Exploring Operation: 23+72=95, Resulting Numbers: [81, 95] Generated Node #0,1,0: 87:[81, 95] Operation: 23+72=95 Exploring Operation: 23+81=104, Resulting Numbers: [72, 104] Generated Node #0,1,1: 87:[72, 104] Operation: 23+81=104 Exploring Operation: 81-72=9, Resulting Numbers: [23, 9] Generated Node #0,1,2: 87:[23, 9] Operation: 81-72=9 Exploring Operation: 72-23=49, Resulting Numbers: [81, 49] Generated Node #0,1,3: 87:[81, 49] Operation: 72-23=49 Exploring Operation: 81-23=58, Resulting Numbers: [72, 58] Generated Node #0,1,4: 87:[72, 58] Operation: 81-23=58 Moving to Node #0,1,2 Current State: 87:[23, 9], Operations: ['95-14=81', '81-72=9'] Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,87 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Moving to Node #0,1,0 Current State: 87:[81, 95], Operations: ['95-14=81', '23+72=95'] Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 81*95=7695, Resulting Numbers: [7695] 7695,87 unequal: No Solution Exploring Operation: 81+95=176, Resulting Numbers: [176] 176,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[81, 49], Operations: ['95-14=81', '72-23=49'] Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 81*49=3969, Resulting Numbers: [3969] 3969,87 unequal: No Solution Exploring Operation: 81+49=130, Resulting Numbers: [130] 130,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[72, 104], Operations: ['95-14=81', '23+81=104'] Exploring Operation: 72+104=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 72*104=7488, Resulting Numbers: [7488] 7488,87 unequal: No Solution Exploring Operation: 104-72=32, Resulting Numbers: [32] 32,87 unequal: No Solution Moving to Node #0,1,4 Current State: 87:[72, 58], Operations: ['95-14=81', '81-23=58'] Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,87 unequal: No Solution Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,87 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,87 unequal: No Solution No 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: 87:[14, 95, 95], Operations: ['23+72=95'] Exploring Operation: 95-95=0, Resulting Numbers: [14, 0] Generated Node #0,3,0: 87:[14, 0] Operation: 95-95=0 Exploring Operation: 95-14=81, Resulting Numbers: [95, 81] Generated Node #0,3,1: 87:[95, 81] Operation: 95-14=81 Exploring Operation: 14+95=109, Resulting Numbers: [95, 109] Generated Node #0,3,2: 87:[95, 109] Operation: 14+95=109 Exploring Operation: 95-14=81, Resulting Numbers: [95, 81] Generated Node #0,3,3: 87:[95, 81] Operation: 95-14=81 Exploring Operation: 95/95=1, Resulting Numbers: [14, 1] Generated Node #0,3,4: 87:[14, 1] Operation: 95/95=1 Moving to Node #0,3,4 Current State: 87:[14, 1], Operations: ['23+72=95', '95/95=1'] Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,87 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,87 unequal: No Solution Moving to Node #0,3,1 Current State: 87:[95, 81], Operations: ['23+72=95', '95-14=81'] Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 95+81=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 95*81=7695, Resulting Numbers: [7695] 7695,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[14, 0], Operations: ['23+72=95', '95-95=0'] Exploring Operation: 14*0=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 14-0=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 14+0=14, Resulting Numbers: [14] 14,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[95, 81], Operations: ['23+72=95', '95-14=81'] Exploring Operation: 95+81=176, Resulting Numbers: [176] 176,87 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 95*81=7695, Resulting Numbers: [7695] 7695,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[95, 109], Operations: ['23+72=95', '14+95=109'] Exploring Operation: 95*109=10355, Resulting Numbers: [10355] 10355,87 unequal: No Solution Exploring Operation: 109-95=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 95+109=204, Resulting Numbers: [204] 204,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[72, 95, 9], Operations: ['23-14=9'] Exploring Operation: 72/9=8, Resulting Numbers: [95, 8] Generated Node #0,0,0: 87:[95, 8] Operation: 72/9=8 Exploring Operation: 72-9=63, Resulting Numbers: [95, 63] Generated Node #0,0,1: 87:[95, 63] Operation: 72-9=63 Exploring Operation: 72+9=81, Resulting Numbers: [95, 81] Generated Node #0,0,2: 87:[95, 81] Operation: 72+9=81 Exploring Operation: 95-72=23, Resulting Numbers: [9, 23] Generated Node #0,0,3: 87:[9, 23] Operation: 95-72=23 Exploring Operation: 95-9=86, Resulting Numbers: [72, 86] Generated Node #0,0,4: 87:[72, 86] Operation: 95-9=86 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 87:[9, 23], Operations: ['23-14=9', '95-72=23'] Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,87 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,87 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[95, 8], Operations: ['23-14=9', '72/9=8'] Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,87 unequal: No Solution Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,87 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[14, 23, 72, 95], Operations: [] Exploring Operation: 23-14=9, Resulting Numbers: [72, 95, 9] Generated Node #0,0: 87:[72, 95, 9] Operation: 23-14=9 Moving to Node #0,0 Current State: 87:[72, 95, 9], Operations: ['23-14=9'] Exploring Operation: 72/9=8, Resulting Numbers: [95, 8] Generated Node #0,0,0: 87:[95, 8] Operation: 72/9=8 Moving to Node #0,0,0 Current State: 87:[95, 8], Operations: ['23-14=9', '72/9=8'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.911458
hs_5
sum_heuristic
[ 46, 84, 4, 28 ]
58
[ "84*4=336", "336/28=12", "46+12=58" ]
Current State: 58:[46, 84, 4, 28], Operations: [] Exploring Operation: 84*4=336, Resulting Numbers: [46, 28, 336] Generated Node #2: [46, 28, 336] from Operation: 84*4=336 Current State: 58:[46, 28, 336], Operations: ['84*4=336'] Exploring Operation: 336/28=12, Resulting Numbers: [46, 12] Generated Node #3: [46, 12] from Operation: 336/28=12 Current State: 58:[46, 12], Operations: ['84*4=336', '336/28=12'] Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[46, 84, 4, 28], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [4, 28, 38] Generated Node #0,0: 58:[4, 28, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 58:[4, 28, 38], Operations: ['84-46=38'] Exploring Operation: 38-4=34, Resulting Numbers: [28, 34] Generated Node #0,0,0: 58:[28, 34] Operation: 38-4=34 Moving to Node #0,0,0 Current State: 58:[28, 34], Operations: ['84-46=38', '38-4=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,58 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 56, 12, 2 ]
46
[ "12-7=5", "2*5=10", "56-10=46" ]
Current State: 46:[7, 56, 12, 2], Operations: [] Exploring Operation: 12-7=5, Resulting Numbers: [56, 2, 5] Generated Node #2: [56, 2, 5] from Operation: 12-7=5 Current State: 46:[56, 2, 5], Operations: ['12-7=5'] Exploring Operation: 2*5=10, Resulting Numbers: [56, 10] Generated Node #3: [56, 10] from Operation: 2*5=10 Current State: 46:[56, 10], Operations: ['12-7=5', '2*5=10'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[7, 56, 12, 2], Operations: [] Exploring Operation: 56/7=8, Resulting Numbers: [12, 2, 8] Generated Node #0,0: 46:[12, 2, 8] Operation: 56/7=8 Exploring Operation: 56-12=44, Resulting Numbers: [7, 2, 44] Generated Node #0,1: 46:[7, 2, 44] Operation: 56-12=44 Exploring Operation: 7+12=19, Resulting Numbers: [56, 2, 19] Generated Node #0,2: 46:[56, 2, 19] Operation: 7+12=19 Exploring Operation: 12-7=5, Resulting Numbers: [56, 2, 5] Generated Node #0,3: 46:[56, 2, 5] Operation: 12-7=5 Exploring Operation: 56-7=49, Resulting Numbers: [12, 2, 49] Generated Node #0,4: 46:[12, 2, 49] Operation: 56-7=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[7, 2, 44], Operations: ['56-12=44'] Exploring Operation: 7+44=51, Resulting Numbers: [2, 51] Generated Node #0,1,0: 46:[2, 51] Operation: 7+44=51 Exploring Operation: 2+44=46, Resulting Numbers: [7, 46] Generated Node #0,1,1: 46:[7, 46] Operation: 2+44=46 Exploring Operation: 7-2=5, Resulting Numbers: [44, 5] Generated Node #0,1,2: 46:[44, 5] Operation: 7-2=5 Exploring Operation: 44/2=22, Resulting Numbers: [7, 22] Generated Node #0,1,3: 46:[7, 22] Operation: 44/2=22 Exploring Operation: 7+2=9, Resulting Numbers: [44, 9] Generated Node #0,1,4: 46:[44, 9] Operation: 7+2=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[2, 51], Operations: ['56-12=44', '7+44=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,46 unequal: No Solution No 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: 46:[7, 46], Operations: ['56-12=44', '2+44=46'] Exploring Operation: 7*46=322, Resulting Numbers: [322] 322,46 unequal: No Solution Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,46 unequal: No Solution No 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: 46:[44, 5], Operations: ['56-12=44', '7-2=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,46 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,46 unequal: No Solution No 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: 46:[7, 22], Operations: ['56-12=44', '44/2=22'] Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,46 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,46 unequal: No Solution No 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: 46:[44, 9], Operations: ['56-12=44', '7+2=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,46 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: 46:[56, 2, 5], Operations: ['12-7=5'] Exploring Operation: 56-2=54, Resulting Numbers: [5, 54] Generated Node #0,3,0: 46:[5, 54] Operation: 56-2=54 Exploring Operation: 56+2=58, Resulting Numbers: [5, 58] Generated Node #0,3,1: 46:[5, 58] Operation: 56+2=58 Exploring Operation: 56-5=51, Resulting Numbers: [2, 51] Generated Node #0,3,2: 46:[2, 51] Operation: 56-5=51 Exploring Operation: 56/2=28, Resulting Numbers: [5, 28] Generated Node #0,3,3: 46:[5, 28] Operation: 56/2=28 Exploring Operation: 5-2=3, Resulting Numbers: [56, 3] Generated Node #0,3,4: 46:[56, 3] Operation: 5-2=3 Moving to Node #0,3,2 Current State: 46:[2, 51], Operations: ['12-7=5', '56-5=51'] Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,46 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[5, 28], Operations: ['12-7=5', '56/2=28'] Exploring Operation: 5*28=140, Resulting Numbers: [140] 140,46 unequal: No Solution Exploring Operation: 5+28=33, Resulting Numbers: [33] 33,46 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[5, 54], Operations: ['12-7=5', '56-2=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,46 unequal: No Solution Moving to Node #0,3,4 Current State: 46:[56, 3], Operations: ['12-7=5', '5-2=3'] Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,46 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[5, 58], Operations: ['12-7=5', '56+2=58'] Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,46 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,46 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 #0,4 Current State: 46:[12, 2, 49], Operations: ['56-7=49'] Exploring Operation: 12/2=6, Resulting Numbers: [49, 6] Generated Node #0,4,0: 46:[49, 6] Operation: 12/2=6 Exploring Operation: 49-2=47, Resulting Numbers: [12, 47] Generated Node #0,4,1: 46:[12, 47] Operation: 49-2=47 Exploring Operation: 12*2=24, Resulting Numbers: [49, 24] Generated Node #0,4,2: 46:[49, 24] Operation: 12*2=24 Exploring Operation: 49-12=37, Resulting Numbers: [2, 37] Generated Node #0,4,3: 46:[2, 37] Operation: 49-12=37 Exploring Operation: 12-2=10, Resulting Numbers: [49, 10] Generated Node #0,4,4: 46:[49, 10] Operation: 12-2=10 Moving to Node #0,4,2 Current State: 46:[49, 24], Operations: ['56-7=49', '12*2=24'] Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,46 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,46 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,46 unequal: No Solution Moving to Node #0,4,0 Current State: 46:[49, 6], Operations: ['56-7=49', '12/2=6'] Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,46 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,46 unequal: No Solution Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,46 unequal: No Solution Moving to Node #0,4,3 Current State: 46:[2, 37], Operations: ['56-7=49', '49-12=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,46 unequal: No Solution Moving to Node #0,4,1 Current State: 46:[12, 47], Operations: ['56-7=49', '49-2=47'] Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,46 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[49, 10], Operations: ['56-7=49', '12-2=10'] Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,46 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[56, 2, 19], Operations: ['7+12=19'] Exploring Operation: 56+2=58, Resulting Numbers: [19, 58] Generated Node #0,2,0: 46:[19, 58] Operation: 56+2=58 Exploring Operation: 2+19=21, Resulting Numbers: [56, 21] Generated Node #0,2,1: 46:[56, 21] Operation: 2+19=21 Exploring Operation: 56-2=54, Resulting Numbers: [19, 54] Generated Node #0,2,2: 46:[19, 54] Operation: 56-2=54 Exploring Operation: 56-19=37, Resulting Numbers: [2, 37] Generated Node #0,2,3: 46:[2, 37] Operation: 56-19=37 Exploring Operation: 56/2=28, Resulting Numbers: [19, 28] Generated Node #0,2,4: 46:[19, 28] Operation: 56/2=28 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 46:[2, 37], Operations: ['7+12=19', '56-19=37'] Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,46 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,46 unequal: No Solution No 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: 46:[19, 28], Operations: ['7+12=19', '56/2=28'] Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,46 unequal: No Solution Exploring Operation: 19*28=532, Resulting Numbers: [532] 532,46 unequal: No Solution Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,46 unequal: No Solution No 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: 46:[56, 21], Operations: ['7+12=19', '2+19=21'] Exploring Operation: 56*21=1176, Resulting Numbers: [1176] 1176,46 unequal: No Solution Exploring Operation: 56+21=77, Resulting Numbers: [77] 77,46 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,46 unequal: No Solution No 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: 46:[19, 54], Operations: ['7+12=19', '56-2=54'] Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,46 unequal: No Solution Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,46 unequal: No Solution Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,46 unequal: No Solution No 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: 46:[19, 58], Operations: ['7+12=19', '56+2=58'] Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,46 unequal: No Solution Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,46 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,46 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: 46:[12, 2, 8], Operations: ['56/7=8'] Exploring Operation: 8/2=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 46:[12, 4] Operation: 8/2=4 Exploring Operation: 12/2=6, Resulting Numbers: [8, 6] Generated Node #0,0,1: 46:[8, 6] Operation: 12/2=6 Exploring Operation: 12-8=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 46:[2, 4] Operation: 12-8=4 Exploring Operation: 12+8=20, Resulting Numbers: [2, 20] Generated Node #0,0,3: 46:[2, 20] Operation: 12+8=20 Exploring Operation: 12*2=24, Resulting Numbers: [8, 24] Generated Node #0,0,4: 46:[8, 24] Operation: 12*2=24 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 46:[2, 4], Operations: ['56/7=8', '12-8=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,46 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,46 unequal: No Solution No 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: 46:[2, 20], Operations: ['56/7=8', '12+8=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,46 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,46 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,46 unequal: No Solution No 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: 46:[8, 24], Operations: ['56/7=8', '12*2=24'] Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,46 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,46 unequal: No Solution No 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: 46:[8, 6], Operations: ['56/7=8', '12/2=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,46 unequal: No Solution No 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: 46:[12, 4], Operations: ['56/7=8', '8/2=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,46 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
[ 21, 3, 98, 25 ]
48
[ "21+98=119", "25+119=144", "144/3=48" ]
Current State: 48:[21, 3, 98, 25], Operations: [] Exploring Operation: 21+98=119, Resulting Numbers: [3, 25, 119] Generated Node #2: [3, 25, 119] from Operation: 21+98=119 Current State: 48:[3, 25, 119], Operations: ['21+98=119'] Exploring Operation: 25+119=144, Resulting Numbers: [3, 144] Generated Node #3: [3, 144] from Operation: 25+119=144 Current State: 48:[3, 144], Operations: ['21+98=119', '25+119=144'] Exploring Operation: 144/3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[21, 3, 98, 25], Operations: [] Exploring Operation: 98-21=77, Resulting Numbers: [3, 25, 77] Generated Node #0,0: 48:[3, 25, 77] Operation: 98-21=77 Exploring Operation: 98-25=73, Resulting Numbers: [21, 3, 73] Generated Node #0,1: 48:[21, 3, 73] Operation: 98-25=73 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[21, 3, 73], Operations: ['98-25=73'] Exploring Operation: 21+3=24, Resulting Numbers: [73, 24] Generated Node #0,1,0: 48:[73, 24] Operation: 21+3=24 Exploring Operation: 73-21=52, Resulting Numbers: [3, 52] Generated Node #0,1,1: 48:[3, 52] Operation: 73-21=52 Moving to Node #0,1,1 Current State: 48:[3, 52], Operations: ['98-25=73', '73-21=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,48 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[73, 24], Operations: ['98-25=73', '21+3=24'] Exploring Operation: 73+24=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,48 unequal: No Solution No 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: 48:[3, 25, 77], Operations: ['98-21=77'] Exploring Operation: 77-3=74, Resulting Numbers: [25, 74] Generated Node #0,0,0: 48:[25, 74] Operation: 77-3=74 Exploring Operation: 77-25=52, Resulting Numbers: [3, 52] Generated Node #0,0,1: 48:[3, 52] Operation: 77-25=52 Moving to Node #0,0,1 Current State: 48:[3, 52], Operations: ['98-21=77', '77-25=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,48 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[25, 74], Operations: ['98-21=77', '77-3=74'] Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,48 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 89, 64, 32, 90 ]
88
[ "89*64=5696", "5696/32=178", "178-90=88" ]
Current State: 88:[89, 64, 32, 90], Operations: [] Exploring Operation: 89*64=5696, Resulting Numbers: [32, 90, 5696] Generated Node #2: [32, 90, 5696] from Operation: 89*64=5696 Current State: 88:[32, 90, 5696], Operations: ['89*64=5696'] Exploring Operation: 5696/32=178, Resulting Numbers: [90, 178] Generated Node #3: [90, 178] from Operation: 5696/32=178 Current State: 88:[90, 178], Operations: ['89*64=5696', '5696/32=178'] Exploring Operation: 178-90=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[89, 64, 32, 90], Operations: [] Exploring Operation: 64-32=32, Resulting Numbers: [89, 90, 32] Generated Node #0,0: 88:[89, 90, 32] Operation: 64-32=32 Exploring Operation: 89-64=25, Resulting Numbers: [32, 90, 25] Generated Node #0,1: 88:[32, 90, 25] Operation: 89-64=25 Exploring Operation: 64+32=96, Resulting Numbers: [89, 90, 96] Generated Node #0,2: 88:[89, 90, 96] Operation: 64+32=96 Exploring Operation: 64/32=2, Resulting Numbers: [89, 90, 2] Generated Node #0,3: 88:[89, 90, 2] Operation: 64/32=2 Exploring Operation: 90-64=26, Resulting Numbers: [89, 32, 26] Generated Node #0,4: 88:[89, 32, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[89, 90, 2], Operations: ['64/32=2'] Exploring Operation: 90-89=1, Resulting Numbers: [2, 1] Generated Node #0,3,0: 88:[2, 1] Operation: 90-89=1 Exploring Operation: 90-2=88, Resulting Numbers: [89, 88] Generated Node #0,3,1: 88:[89, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [89, 45] Generated Node #0,3,2: 88:[89, 45] Operation: 90/2=45 Exploring Operation: 89+2=91, Resulting Numbers: [90, 91] Generated Node #0,3,3: 88:[90, 91] Operation: 89+2=91 Exploring Operation: 89-2=87, Resulting Numbers: [90, 87] Generated Node #0,3,4: 88:[90, 87] Operation: 89-2=87 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 88:[2, 1], Operations: ['64/32=2', '90-89=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,88 unequal: No Solution No 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: 88:[89, 88], Operations: ['64/32=2', '90-2=88'] Exploring Operation: 89+88=177, Resulting Numbers: [177] 177,88 unequal: No Solution Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 89*88=7832, Resulting Numbers: [7832] 7832,88 unequal: No Solution No 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: 88:[89, 45], Operations: ['64/32=2', '90/2=45'] Exploring Operation: 89*45=4005, Resulting Numbers: [4005] 4005,88 unequal: No Solution Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 89+45=134, Resulting Numbers: [134] 134,88 unequal: No Solution No 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: 88:[90, 87], Operations: ['64/32=2', '89-2=87'] Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 90*87=7830, Resulting Numbers: [7830] 7830,88 unequal: No Solution Exploring Operation: 90+87=177, Resulting Numbers: [177] 177,88 unequal: No Solution No 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: 88:[90, 91], Operations: ['64/32=2', '89+2=91'] Exploring Operation: 90+91=181, Resulting Numbers: [181] 181,88 unequal: No Solution Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 90*91=8190, Resulting Numbers: [8190] 8190,88 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: 88:[89, 90, 96], Operations: ['64+32=96'] Exploring Operation: 89+96=185, Resulting Numbers: [90, 185] Generated Node #0,2,0: 88:[90, 185] Operation: 89+96=185 Exploring Operation: 96-89=7, Resulting Numbers: [90, 7] Generated Node #0,2,1: 88:[90, 7] Operation: 96-89=7 Exploring Operation: 89+90=179, Resulting Numbers: [96, 179] Generated Node #0,2,2: 88:[96, 179] Operation: 89+90=179 Exploring Operation: 96-90=6, Resulting Numbers: [89, 6] Generated Node #0,2,3: 88:[89, 6] Operation: 96-90=6 Exploring Operation: 90-89=1, Resulting Numbers: [96, 1] Generated Node #0,2,4: 88:[96, 1] Operation: 90-89=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 88:[90, 7], Operations: ['64+32=96', '96-89=7'] Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,88 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,88 unequal: No Solution No 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: 88:[89, 6], Operations: ['64+32=96', '96-90=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 89*6=534, Resulting Numbers: [534] 534,88 unequal: No Solution No 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: 88:[96, 1], Operations: ['64+32=96', '90-89=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,88 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,88 unequal: No Solution No 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: 88:[90, 185], Operations: ['64+32=96', '89+96=185'] Exploring Operation: 90*185=16650, Resulting Numbers: [16650] 16650,88 unequal: No Solution Exploring Operation: 185-90=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 90+185=275, Resulting Numbers: [275] 275,88 unequal: No Solution No 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: 88:[96, 179], Operations: ['64+32=96', '89+90=179'] Exploring Operation: 96*179=17184, Resulting Numbers: [17184] 17184,88 unequal: No Solution Exploring Operation: 179-96=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 96+179=275, Resulting Numbers: [275] 275,88 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: 88:[89, 90, 32], Operations: ['64-32=32'] Exploring Operation: 90+32=122, Resulting Numbers: [89, 122] Generated Node #0,0,0: 88:[89, 122] Operation: 90+32=122 Exploring Operation: 89+32=121, Resulting Numbers: [90, 121] Generated Node #0,0,1: 88:[90, 121] Operation: 89+32=121 Exploring Operation: 90-89=1, Resulting Numbers: [32, 1] Generated Node #0,0,2: 88:[32, 1] Operation: 90-89=1 Exploring Operation: 90-32=58, Resulting Numbers: [89, 58] Generated Node #0,0,3: 88:[89, 58] Operation: 90-32=58 Exploring Operation: 89-32=57, Resulting Numbers: [90, 57] Generated Node #0,0,4: 88:[90, 57] Operation: 89-32=57 Moving to Node #0,0,2 Current State: 88:[32, 1], Operations: ['64-32=32', '90-89=1'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,88 unequal: No Solution Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,88 unequal: No Solution Moving to Node #0,0,4 Current State: 88:[90, 57], Operations: ['64-32=32', '89-32=57'] Exploring Operation: 90-57=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 90*57=5130, Resulting Numbers: [5130] 5130,88 unequal: No Solution Exploring Operation: 90+57=147, Resulting Numbers: [147] 147,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[89, 58], Operations: ['64-32=32', '90-32=58'] Exploring Operation: 89+58=147, Resulting Numbers: [147] 147,88 unequal: No Solution Exploring Operation: 89*58=5162, Resulting Numbers: [5162] 5162,88 unequal: No Solution Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[89, 122], Operations: ['64-32=32', '90+32=122'] Exploring Operation: 89*122=10858, Resulting Numbers: [10858] 10858,88 unequal: No Solution Exploring Operation: 89+122=211, Resulting Numbers: [211] 211,88 unequal: No Solution Exploring Operation: 122-89=33, Resulting Numbers: [33] 33,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[90, 121], Operations: ['64-32=32', '89+32=121'] Exploring Operation: 90*121=10890, Resulting Numbers: [10890] 10890,88 unequal: No Solution Exploring Operation: 90+121=211, Resulting Numbers: [211] 211,88 unequal: No Solution Exploring Operation: 121-90=31, Resulting Numbers: [31] 31,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[32, 90, 25], Operations: ['89-64=25'] Exploring Operation: 32+90=122, Resulting Numbers: [25, 122] Generated Node #0,1,0: 88:[25, 122] Operation: 32+90=122 Exploring Operation: 90-32=58, Resulting Numbers: [25, 58] Generated Node #0,1,1: 88:[25, 58] Operation: 90-32=58 Exploring Operation: 32+25=57, Resulting Numbers: [90, 57] Generated Node #0,1,2: 88:[90, 57] Operation: 32+25=57 Exploring Operation: 32-25=7, Resulting Numbers: [90, 7] Generated Node #0,1,3: 88:[90, 7] Operation: 32-25=7 Exploring Operation: 90-25=65, Resulting Numbers: [32, 65] Generated Node #0,1,4: 88:[32, 65] Operation: 90-25=65 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 88:[90, 7], Operations: ['89-64=25', '32-25=7'] Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,88 unequal: No Solution No 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: 88:[90, 57], Operations: ['89-64=25', '32+25=57'] Exploring Operation: 90-57=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 90*57=5130, Resulting Numbers: [5130] 5130,88 unequal: No Solution Exploring Operation: 90+57=147, Resulting Numbers: [147] 147,88 unequal: No Solution No 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: 88:[25, 58], Operations: ['89-64=25', '90-32=58'] Exploring Operation: 58-25=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 25*58=1450, Resulting Numbers: [1450] 1450,88 unequal: No Solution Exploring Operation: 25+58=83, Resulting Numbers: [83] 83,88 unequal: No Solution No 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: 88:[32, 65], Operations: ['89-64=25', '90-25=65'] Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,88 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,88 unequal: No Solution No 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: 88:[25, 122], Operations: ['89-64=25', '32+90=122'] Exploring Operation: 25*122=3050, Resulting Numbers: [3050] 3050,88 unequal: No Solution Exploring Operation: 122-25=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 25+122=147, Resulting Numbers: [147] 147,88 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: 88:[89, 32, 26], Operations: ['90-64=26'] Exploring Operation: 89-26=63, Resulting Numbers: [32, 63] Generated Node #0,4,0: 88:[32, 63] Operation: 89-26=63 Exploring Operation: 32-26=6, Resulting Numbers: [89, 6] Generated Node #0,4,1: 88:[89, 6] Operation: 32-26=6 Exploring Operation: 32+26=58, Resulting Numbers: [89, 58] Generated Node #0,4,2: 88:[89, 58] Operation: 32+26=58 Exploring Operation: 89+32=121, Resulting Numbers: [26, 121] Generated Node #0,4,3: 88:[26, 121] Operation: 89+32=121 Exploring Operation: 89-32=57, Resulting Numbers: [26, 57] Generated Node #0,4,4: 88:[26, 57] Operation: 89-32=57 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 88:[89, 6], Operations: ['90-64=26', '32-26=6'] Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 89*6=534, Resulting Numbers: [534] 534,88 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,88 unequal: No Solution No 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: 88:[89, 58], Operations: ['90-64=26', '32+26=58'] Exploring Operation: 89+58=147, Resulting Numbers: [147] 147,88 unequal: No Solution Exploring Operation: 89*58=5162, Resulting Numbers: [5162] 5162,88 unequal: No Solution Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,88 unequal: No Solution No 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: 88:[26, 57], Operations: ['90-64=26', '89-32=57'] Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,88 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,88 unequal: No Solution No 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: 88:[32, 63], Operations: ['90-64=26', '89-26=63'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,88 unequal: No Solution Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,88 unequal: No Solution Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,88 unequal: No Solution No 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: 88:[26, 121], Operations: ['90-64=26', '89+32=121'] Exploring Operation: 26*121=3146, Resulting Numbers: [3146] 3146,88 unequal: No Solution Exploring Operation: 121-26=95, Resulting Numbers: [95] 95,88 unequal: No Solution Exploring Operation: 26+121=147, Resulting Numbers: [147] 147,88 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
[ 2, 91, 85, 87 ]
90
[ "2+85=87", "87/87=1", "91-1=90" ]
Current State: 90:[2, 91, 85, 87], Operations: [] Exploring Operation: 2+85=87, Resulting Numbers: [91, 87, 87] Generated Node #2: [91, 87, 87] from Operation: 2+85=87 Current State: 90:[91, 87, 87], Operations: ['2+85=87'] Exploring Operation: 87/87=1, Resulting Numbers: [91, 1] Generated Node #3: [91, 1] from Operation: 87/87=1 Current State: 90:[91, 1], Operations: ['2+85=87', '87/87=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[2, 91, 85, 87], Operations: [] Exploring Operation: 91-85=6, Resulting Numbers: [2, 87, 6] Generated Node #0,0: 90:[2, 87, 6] Operation: 91-85=6 Exploring Operation: 87-85=2, Resulting Numbers: [2, 91, 2] Generated Node #0,1: 90:[2, 91, 2] Operation: 87-85=2 Moving to Node #0,1 Current State: 90:[2, 91, 2], Operations: ['87-85=2'] Exploring Operation: 91-2=89, Resulting Numbers: [2, 89] Generated Node #0,1,0: 90:[2, 89] Operation: 91-2=89 Exploring Operation: 91-2=89, Resulting Numbers: [2, 89] Generated Node #0,1,1: 90:[2, 89] Operation: 91-2=89 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[2, 89], Operations: ['87-85=2', '91-2=89'] Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[2, 89], Operations: ['87-85=2', '91-2=89'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,90 unequal: No Solution Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 90:[2, 87, 6], Operations: ['91-85=6'] Exploring Operation: 6/2=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 90:[87, 3] Operation: 6/2=3 Exploring Operation: 2+87=89, Resulting Numbers: [6, 89] Generated Node #0,0,1: 90:[6, 89] Operation: 2+87=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[6, 89], Operations: ['91-85=6', '2+87=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,90 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[87, 3], Operations: ['91-85=6', '6/2=3'] Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[2, 91, 85, 87], Operations: [] Exploring Operation: 91-85=6, Resulting Numbers: [2, 87, 6] Generated Node #0,0: 90:[2, 87, 6] Operation: 91-85=6 Moving to Node #0,0 Current State: 90:[2, 87, 6], Operations: ['91-85=6'] Exploring Operation: 6/2=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 90:[87, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 90:[87, 3], Operations: ['91-85=6', '6/2=3'] Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 83, 92, 26, 70 ]
65
[ "83+92=175", "26*175=4550", "4550/70=65" ]
Current State: 65:[83, 92, 26, 70], Operations: [] Exploring Operation: 83+92=175, Resulting Numbers: [26, 70, 175] Generated Node #2: [26, 70, 175] from Operation: 83+92=175 Current State: 65:[26, 70, 175], Operations: ['83+92=175'] Exploring Operation: 26*175=4550, Resulting Numbers: [70, 4550] Generated Node #3: [70, 4550] from Operation: 26*175=4550 Current State: 65:[70, 4550], Operations: ['83+92=175', '26*175=4550'] Exploring Operation: 4550/70=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[83, 92, 26, 70], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [26, 70, 9] Generated Node #0,0: 65:[26, 70, 9] Operation: 92-83=9 Exploring Operation: 83-26=57, Resulting Numbers: [92, 70, 57] Generated Node #0,1: 65:[92, 70, 57] Operation: 83-26=57 Exploring Operation: 83-70=13, Resulting Numbers: [92, 26, 13] Generated Node #0,2: 65:[92, 26, 13] Operation: 83-70=13 Exploring Operation: 92-26=66, Resulting Numbers: [83, 70, 66] Generated Node #0,3: 65:[83, 70, 66] Operation: 92-26=66 Moving to Node #0,0 Current State: 65:[26, 70, 9], Operations: ['92-83=9'] Exploring Operation: 26+9=35, Resulting Numbers: [70, 35] Generated Node #0,0,0: 65:[70, 35] Operation: 26+9=35 Exploring Operation: 26-9=17, Resulting Numbers: [70, 17] Generated Node #0,0,1: 65:[70, 17] Operation: 26-9=17 Exploring Operation: 70-26=44, Resulting Numbers: [9, 44] Generated Node #0,0,2: 65:[9, 44] Operation: 70-26=44 Exploring Operation: 70-9=61, Resulting Numbers: [26, 61] Generated Node #0,0,3: 65:[26, 61] Operation: 70-9=61 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[70, 17], Operations: ['92-83=9', '26-9=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[26, 61], Operations: ['92-83=9', '70-9=61'] Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 26*61=1586, Resulting Numbers: [1586] 1586,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[9, 44], Operations: ['92-83=9', '70-26=44'] Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 9*44=396, Resulting Numbers: [396] 396,65 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[70, 35], Operations: ['92-83=9', '26+9=35'] Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 70*35=2450, Resulting Numbers: [2450] 2450,65 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: 65:[83, 70, 66], Operations: ['92-26=66'] Exploring Operation: 70-66=4, Resulting Numbers: [83, 4] Generated Node #0,3,0: 65:[83, 4] Operation: 70-66=4 Exploring Operation: 83+70=153, Resulting Numbers: [66, 153] Generated Node #0,3,1: 65:[66, 153] Operation: 83+70=153 Exploring Operation: 83-70=13, Resulting Numbers: [66, 13] Generated Node #0,3,2: 65:[66, 13] Operation: 83-70=13 Exploring Operation: 83-66=17, Resulting Numbers: [70, 17] Generated Node #0,3,3: 65:[70, 17] Operation: 83-66=17 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[66, 13], Operations: ['92-26=66', '83-70=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,65 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,65 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 #0,3,3 Current State: 65:[70, 17], Operations: ['92-26=66', '83-66=17'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,65 unequal: No Solution Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,65 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 #0,3,0 Current State: 65:[83, 4], Operations: ['92-26=66', '70-66=4'] Exploring Operation: 83+4=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 83-4=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 83*4=332, Resulting Numbers: [332] 332,65 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 #0,3,1 Current State: 65:[66, 153], Operations: ['92-26=66', '83+70=153'] Exploring Operation: 153-66=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 66*153=10098, Resulting Numbers: [10098] 10098,65 unequal: No Solution Exploring Operation: 66+153=219, Resulting Numbers: [219] 219,65 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: 65:[92, 26, 13], Operations: ['83-70=13'] Exploring Operation: 92-26=66, Resulting Numbers: [13, 66] Generated Node #0,2,0: 65:[13, 66] Operation: 92-26=66 Exploring Operation: 26/13=2, Resulting Numbers: [92, 2] Generated Node #0,2,1: 65:[92, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [92, 13] Generated Node #0,2,2: 65:[92, 13] Operation: 26-13=13 Exploring Operation: 92-13=79, Resulting Numbers: [26, 79] Generated Node #0,2,3: 65:[26, 79] Operation: 92-13=79 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[13, 66], Operations: ['83-70=13', '92-26=66'] Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,65 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:[92, 13], Operations: ['83-70=13', '26-13=13'] Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,65 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,65 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:[26, 79], Operations: ['83-70=13', '92-13=79'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,65 unequal: No Solution Exploring Operation: 26+79=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 26*79=2054, Resulting Numbers: [2054] 2054,65 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 #0,2,1 Current State: 65:[92, 2], Operations: ['83-70=13', '26/13=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 92*2=184, Resulting Numbers: [184] 184,65 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,65 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: 65:[92, 70, 57], Operations: ['83-26=57'] Exploring Operation: 92-57=35, Resulting Numbers: [70, 35] Generated Node #0,1,0: 65:[70, 35] Operation: 92-57=35 Exploring Operation: 92-70=22, Resulting Numbers: [57, 22] Generated Node #0,1,1: 65:[57, 22] Operation: 92-70=22 Exploring Operation: 70-57=13, Resulting Numbers: [92, 13] Generated Node #0,1,2: 65:[92, 13] Operation: 70-57=13 Exploring Operation: 92+57=149, Resulting Numbers: [70, 149] Generated Node #0,1,3: 65:[70, 149] Operation: 92+57=149 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[57, 22], Operations: ['83-26=57', '92-70=22'] Exploring Operation: 57+22=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 57-22=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 57*22=1254, Resulting Numbers: [1254] 1254,65 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:[70, 35], Operations: ['83-26=57', '92-57=35'] Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,65 unequal: No Solution Exploring Operation: 70*35=2450, Resulting Numbers: [2450] 2450,65 unequal: No Solution Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[92, 13], Operations: ['83-26=57', '70-57=13'] Exploring Operation: 92-13=79, Resulting Numbers: [79] 79,65 unequal: No Solution Exploring Operation: 92+13=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 92*13=1196, Resulting Numbers: [1196] 1196,65 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:[70, 149], Operations: ['83-26=57', '92+57=149'] Exploring Operation: 70*149=10430, Resulting Numbers: [10430] 10430,65 unequal: No Solution Exploring Operation: 70+149=219, Resulting Numbers: [219] 219,65 unequal: No Solution Exploring Operation: 149-70=79, Resulting Numbers: [79] 79,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 73, 90, 59, 81 ]
39
[ "90-73=17", "81-59=22", "17+22=39" ]
Current State: 39:[73, 90, 59, 81], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [59, 81, 17] Generated Node #2: [59, 81, 17] from Operation: 90-73=17 Current State: 39:[59, 81, 17], Operations: ['90-73=17'] Exploring Operation: 81-59=22, Resulting Numbers: [17, 22] Generated Node #3: [17, 22] from Operation: 81-59=22 Current State: 39:[17, 22], Operations: ['90-73=17', '81-59=22'] Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[73, 90, 59, 81], Operations: [] Exploring Operation: 90-81=9, Resulting Numbers: [73, 59, 9] Generated Node #0,0: 39:[73, 59, 9] Operation: 90-81=9 Exploring Operation: 90-73=17, Resulting Numbers: [59, 81, 17] Generated Node #0,1: 39:[59, 81, 17] Operation: 90-73=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[73, 59, 9], Operations: ['90-81=9'] Exploring Operation: 73-59=14, Resulting Numbers: [9, 14] Generated Node #0,0,0: 39:[9, 14] Operation: 73-59=14 Exploring Operation: 73-9=64, Resulting Numbers: [59, 64] Generated Node #0,0,1: 39:[59, 64] Operation: 73-9=64 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[9, 14], Operations: ['90-81=9', '73-59=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,39 unequal: No Solution No 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: 39:[59, 64], Operations: ['90-81=9', '73-9=64'] Exploring Operation: 64-59=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 59+64=123, Resulting Numbers: [123] 123,39 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: 39:[59, 81, 17], Operations: ['90-73=17'] Exploring Operation: 81-59=22, Resulting Numbers: [17, 22] Generated Node #0,1,0: 39:[17, 22] Operation: 81-59=22 Exploring Operation: 59-17=42, Resulting Numbers: [81, 42] Generated Node #0,1,1: 39:[81, 42] Operation: 59-17=42 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[17, 22], Operations: ['90-73=17', '81-59=22'] Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[73, 90, 59, 81], Operations: [] Exploring Operation: 90-73=17, Resulting Numbers: [59, 81, 17] Generated Node #0,1: 39:[59, 81, 17] Operation: 90-73=17 Moving to Node #0,1 Current State: 39:[59, 81, 17], Operations: ['90-73=17'] Exploring Operation: 81-59=22, Resulting Numbers: [17, 22] Generated Node #0,1,0: 39:[17, 22] Operation: 81-59=22 Moving to Node #0,1,0 Current State: 39:[17, 22], Operations: ['90-73=17', '81-59=22'] Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 79, 31, 4, 32 ]
40
[ "79-31=48", "32/4=8", "48-8=40" ]
Current State: 40:[79, 31, 4, 32], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [4, 32, 48] Generated Node #2: [4, 32, 48] from Operation: 79-31=48 Current State: 40:[4, 32, 48], Operations: ['79-31=48'] Exploring Operation: 32/4=8, Resulting Numbers: [48, 8] Generated Node #3: [48, 8] from Operation: 32/4=8 Current State: 40:[48, 8], Operations: ['79-31=48', '32/4=8'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[79, 31, 4, 32], Operations: [] Exploring Operation: 32/4=8, Resulting Numbers: [79, 31, 8] Generated Node #0,0: 40:[79, 31, 8] Operation: 32/4=8 Exploring Operation: 32-31=1, Resulting Numbers: [79, 4, 1] Generated Node #0,1: 40:[79, 4, 1] Operation: 32-31=1 Exploring Operation: 79-31=48, Resulting Numbers: [4, 32, 48] Generated Node #0,2: 40:[4, 32, 48] Operation: 79-31=48 Exploring Operation: 79-4=75, Resulting Numbers: [31, 32, 75] Generated Node #0,3: 40:[31, 32, 75] Operation: 79-4=75 Exploring Operation: 79-32=47, Resulting Numbers: [31, 4, 47] Generated Node #0,4: 40:[31, 4, 47] Operation: 79-32=47 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[4, 32, 48], Operations: ['79-31=48'] Exploring Operation: 48-32=16, Resulting Numbers: [4, 16] Generated Node #0,2,0: 40:[4, 16] Operation: 48-32=16 Exploring Operation: 4+32=36, Resulting Numbers: [48, 36] Generated Node #0,2,1: 40:[48, 36] Operation: 4+32=36 Exploring Operation: 48-4=44, Resulting Numbers: [32, 44] Generated Node #0,2,2: 40:[32, 44] Operation: 48-4=44 Exploring Operation: 32/4=8, Resulting Numbers: [48, 8] Generated Node #0,2,3: 40:[48, 8] Operation: 32/4=8 Exploring Operation: 48/4=12, Resulting Numbers: [32, 12] Generated Node #0,2,4: 40:[32, 12] Operation: 48/4=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 40:[4, 16], Operations: ['79-31=48', '48-32=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,40 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,40 unequal: No Solution No 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: 40:[48, 8], Operations: ['79-31=48', '32/4=8'] Exploring Operation: 48+8=56, Resulting Numbers: [56] 56,40 unequal: No Solution Exploring Operation: 48*8=384, Resulting Numbers: [384] 384,40 unequal: No Solution Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[79, 31, 4, 32], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [4, 32, 48] Generated Node #0,2: 40:[4, 32, 48] Operation: 79-31=48 Moving to Node #0,2 Current State: 40:[4, 32, 48], Operations: ['79-31=48'] Exploring Operation: 32/4=8, Resulting Numbers: [48, 8] Generated Node #0,2,3: 40:[48, 8] Operation: 32/4=8 Moving to Node #0,2,3 Current State: 40:[48, 8], Operations: ['79-31=48', '32/4=8'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 28, 64, 77, 59 ]
44
[ "28+64=92", "77+59=136", "136-92=44" ]
Current State: 44:[28, 64, 77, 59], Operations: [] Exploring Operation: 28+64=92, Resulting Numbers: [77, 59, 92] Generated Node #2: [77, 59, 92] from Operation: 28+64=92 Current State: 44:[77, 59, 92], Operations: ['28+64=92'] Exploring Operation: 77+59=136, Resulting Numbers: [92, 136] Generated Node #3: [92, 136] from Operation: 77+59=136 Current State: 44:[92, 136], Operations: ['28+64=92', '77+59=136'] Exploring Operation: 136-92=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[28, 64, 77, 59], Operations: [] Exploring Operation: 77-64=13, Resulting Numbers: [28, 59, 13] Generated Node #0,0: 44:[28, 59, 13] Operation: 77-64=13 Moving to Node #0,0 Current State: 44:[28, 59, 13], Operations: ['77-64=13'] Exploring Operation: 59-13=46, Resulting Numbers: [28, 46] Generated Node #0,0,0: 44:[28, 46] Operation: 59-13=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[28, 46], Operations: ['77-64=13', '59-13=46'] Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 30, 6, 14, 73 ]
19
[ "30+73=103", "6*14=84", "103-84=19" ]
Current State: 19:[30, 6, 14, 73], Operations: [] Exploring Operation: 30+73=103, Resulting Numbers: [6, 14, 103] Generated Node #2: [6, 14, 103] from Operation: 30+73=103 Current State: 19:[6, 14, 103], Operations: ['30+73=103'] Exploring Operation: 6*14=84, Resulting Numbers: [103, 84] Generated Node #3: [103, 84] from Operation: 6*14=84 Current State: 19:[103, 84], Operations: ['30+73=103', '6*14=84'] Exploring Operation: 103-84=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[30, 6, 14, 73], Operations: [] Exploring Operation: 73-14=59, Resulting Numbers: [30, 6, 59] Generated Node #0,0: 19:[30, 6, 59] Operation: 73-14=59 Exploring Operation: 6+14=20, Resulting Numbers: [30, 73, 20] Generated Node #0,1: 19:[30, 73, 20] Operation: 6+14=20 Exploring Operation: 30-6=24, Resulting Numbers: [14, 73, 24] Generated Node #0,2: 19:[14, 73, 24] Operation: 30-6=24 Exploring Operation: 73-30=43, Resulting Numbers: [6, 14, 43] Generated Node #0,3: 19:[6, 14, 43] Operation: 73-30=43 Exploring Operation: 73-6=67, Resulting Numbers: [30, 14, 67] Generated Node #0,4: 19:[30, 14, 67] Operation: 73-6=67 Moving to Node #0,3 Current State: 19:[6, 14, 43], Operations: ['73-30=43'] Exploring Operation: 6+14=20, Resulting Numbers: [43, 20] Generated Node #0,3,0: 19:[43, 20] Operation: 6+14=20 Exploring Operation: 14-6=8, Resulting Numbers: [43, 8] Generated Node #0,3,1: 19:[43, 8] Operation: 14-6=8 Exploring Operation: 43-6=37, Resulting Numbers: [14, 37] Generated Node #0,3,2: 19:[14, 37] Operation: 43-6=37 Exploring Operation: 43-14=29, Resulting Numbers: [6, 29] Generated Node #0,3,3: 19:[6, 29] Operation: 43-14=29 Exploring Operation: 6+43=49, Resulting Numbers: [14, 49] Generated Node #0,3,4: 19:[14, 49] Operation: 6+43=49 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[14, 37], Operations: ['73-30=43', '43-6=37'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,19 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[6, 29], Operations: ['73-30=43', '43-14=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,19 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[43, 20], Operations: ['73-30=43', '6+14=20'] Exploring Operation: 43*20=860, Resulting Numbers: [860] 860,19 unequal: No Solution Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 43+20=63, Resulting Numbers: [63] 63,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[43, 8], Operations: ['73-30=43', '14-6=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 43*8=344, Resulting Numbers: [344] 344,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[14, 49], Operations: ['73-30=43', '6+43=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 19:[14, 73, 24], Operations: ['30-6=24'] Exploring Operation: 14+73=87, Resulting Numbers: [24, 87] Generated Node #0,2,0: 19:[24, 87] Operation: 14+73=87 Exploring Operation: 73-14=59, Resulting Numbers: [24, 59] Generated Node #0,2,1: 19:[24, 59] Operation: 73-14=59 Exploring Operation: 73-24=49, Resulting Numbers: [14, 49] Generated Node #0,2,2: 19:[14, 49] Operation: 73-24=49 Exploring Operation: 14+24=38, Resulting Numbers: [73, 38] Generated Node #0,2,3: 19:[73, 38] Operation: 14+24=38 Exploring Operation: 24-14=10, Resulting Numbers: [73, 10] Generated Node #0,2,4: 19:[73, 10] Operation: 24-14=10 Moving to Node #0,0 Current State: 19:[30, 6, 59], Operations: ['73-14=59'] Exploring Operation: 30/6=5, Resulting Numbers: [59, 5] Generated Node #0,0,0: 19:[59, 5] Operation: 30/6=5 Exploring Operation: 59-30=29, Resulting Numbers: [6, 29] Generated Node #0,0,1: 19:[6, 29] Operation: 59-30=29 Exploring Operation: 30+6=36, Resulting Numbers: [59, 36] Generated Node #0,0,2: 19:[59, 36] Operation: 30+6=36 Exploring Operation: 59-6=53, Resulting Numbers: [30, 53] Generated Node #0,0,3: 19:[30, 53] Operation: 59-6=53 Exploring Operation: 30-6=24, Resulting Numbers: [59, 24] Generated Node #0,0,4: 19:[59, 24] Operation: 30-6=24 Moving to Node #0,4 Current State: 19:[30, 14, 67], Operations: ['73-6=67'] Exploring Operation: 14+67=81, Resulting Numbers: [30, 81] Generated Node #0,4,0: 19:[30, 81] Operation: 14+67=81 Exploring Operation: 30+14=44, Resulting Numbers: [67, 44] Generated Node #0,4,1: 19:[67, 44] Operation: 30+14=44 Exploring Operation: 67-30=37, Resulting Numbers: [14, 37] Generated Node #0,4,2: 19:[14, 37] Operation: 67-30=37 Exploring Operation: 30-14=16, Resulting Numbers: [67, 16] Generated Node #0,4,3: 19:[67, 16] Operation: 30-14=16 Exploring Operation: 67-14=53, Resulting Numbers: [30, 53] Generated Node #0,4,4: 19:[30, 53] Operation: 67-14=53 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 19:[14, 37], Operations: ['73-6=67', '67-30=37'] Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,19 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 19:[30, 53], Operations: ['73-6=67', '67-14=53'] Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,19 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 19:[67, 16], Operations: ['73-6=67', '30-14=16'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,19 unequal: No Solution Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 19:[30, 81], Operations: ['73-6=67', '14+67=81'] Exploring Operation: 30*81=2430, Resulting Numbers: [2430] 2430,19 unequal: No Solution Exploring Operation: 30+81=111, Resulting Numbers: [111] 111,19 unequal: No Solution Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 19:[67, 44], Operations: ['73-6=67', '30+14=44'] Exploring Operation: 67*44=2948, Resulting Numbers: [2948] 2948,19 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 67+44=111, Resulting Numbers: [111] 111,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[30, 73, 20], Operations: ['6+14=20'] Exploring Operation: 30+73=103, Resulting Numbers: [20, 103] Generated Node #0,1,0: 19:[20, 103] Operation: 30+73=103 Exploring Operation: 30+20=50, Resulting Numbers: [73, 50] Generated Node #0,1,1: 19:[73, 50] Operation: 30+20=50 Exploring Operation: 30-20=10, Resulting Numbers: [73, 10] Generated Node #0,1,2: 19:[73, 10] Operation: 30-20=10 Exploring Operation: 73-20=53, Resulting Numbers: [30, 53] Generated Node #0,1,3: 19:[30, 53] Operation: 73-20=53 Exploring Operation: 73-30=43, Resulting Numbers: [20, 43] Generated Node #0,1,4: 19:[20, 43] Operation: 73-30=43 Moving to Node #0,0,1 Current State: 19:[6, 29], Operations: ['73-14=59', '59-30=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,19 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[20, 43], Operations: ['6+14=20', '73-30=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 20*43=860, Resulting Numbers: [860] 860,19 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[14, 49], Operations: ['30-6=24', '73-24=49'] Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,19 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[30, 53], Operations: ['73-14=59', '59-6=53'] Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,19 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[30, 53], Operations: ['6+14=20', '73-20=53'] Exploring Operation: 30+53=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 30*53=1590, Resulting Numbers: [1590] 1590,19 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[24, 59], Operations: ['30-6=24', '73-14=59'] Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,19 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,19 unequal: No Solution Moving to Node #0,0,4 Current State: 19:[59, 24], Operations: ['73-14=59', '30-6=24'] Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,19 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[59, 5], Operations: ['73-14=59', '30/6=5'] Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,19 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[59, 36], Operations: ['73-14=59', '30+6=36'] Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,19 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 59*36=2124, Resulting Numbers: [2124] 2124,19 unequal: No Solution Moving to Node #0,2,4 Current State: 19:[73, 10], Operations: ['30-6=24', '24-14=10'] Exploring Operation: 73+10=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,19 unequal: No Solution Exploring Operation: 73*10=730, Resulting Numbers: [730] 730,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[73, 10], Operations: ['6+14=20', '30-20=10'] Exploring Operation: 73*10=730, Resulting Numbers: [730] 730,19 unequal: No Solution Exploring Operation: 73+10=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[24, 87], Operations: ['30-6=24', '14+73=87'] Exploring Operation: 24*87=2088, Resulting Numbers: [2088] 2088,19 unequal: No Solution Exploring Operation: 24+87=111, Resulting Numbers: [111] 111,19 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[73, 38], Operations: ['30-6=24', '14+24=38'] Exploring Operation: 73*38=2774, Resulting Numbers: [2774] 2774,19 unequal: No Solution Exploring Operation: 73+38=111, Resulting Numbers: [111] 111,19 unequal: No Solution Exploring Operation: 73-38=35, Resulting Numbers: [35] 35,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[73, 50], Operations: ['6+14=20', '30+20=50'] Exploring Operation: 73+50=123, Resulting Numbers: [123] 123,19 unequal: No Solution Exploring Operation: 73*50=3650, Resulting Numbers: [3650] 3650,19 unequal: No Solution Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[20, 103], Operations: ['6+14=20', '30+73=103'] Exploring Operation: 103-20=83, Resulting Numbers: [83] 83,19 unequal: No Solution Exploring Operation: 20*103=2060, Resulting Numbers: [2060] 2060,19 unequal: No Solution Exploring Operation: 20+103=123, Resulting Numbers: [123] 123,19 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 24, 50, 13, 7 ]
17
[ "24+50=74", "13*7=91", "91-74=17" ]
Current State: 17:[24, 50, 13, 7], Operations: [] Exploring Operation: 24+50=74, Resulting Numbers: [13, 7, 74] Generated Node #2: [13, 7, 74] from Operation: 24+50=74 Current State: 17:[13, 7, 74], Operations: ['24+50=74'] Exploring Operation: 13*7=91, Resulting Numbers: [74, 91] Generated Node #3: [74, 91] from Operation: 13*7=91 Current State: 17:[74, 91], Operations: ['24+50=74', '13*7=91'] Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[24, 50, 13, 7], Operations: [] Exploring Operation: 50-7=43, Resulting Numbers: [24, 13, 43] Generated Node #0,0: 17:[24, 13, 43] Operation: 50-7=43 Exploring Operation: 50-24=26, Resulting Numbers: [13, 7, 26] Generated Node #0,1: 17:[13, 7, 26] Operation: 50-24=26 Exploring Operation: 24-7=17, Resulting Numbers: [50, 13, 17] Generated Node #0,2: 17:[50, 13, 17] Operation: 24-7=17 Exploring Operation: 50-13=37, Resulting Numbers: [24, 7, 37] Generated Node #0,3: 17:[24, 7, 37] Operation: 50-13=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[13, 7, 26], Operations: ['50-24=26'] Exploring Operation: 26-13=13, Resulting Numbers: [7, 13] Generated Node #0,1,0: 17:[7, 13] Operation: 26-13=13 Exploring Operation: 13-7=6, Resulting Numbers: [26, 6] Generated Node #0,1,1: 17:[26, 6] Operation: 13-7=6 Exploring Operation: 13+7=20, Resulting Numbers: [26, 20] Generated Node #0,1,2: 17:[26, 20] Operation: 13+7=20 Exploring Operation: 26-7=19, Resulting Numbers: [13, 19] Generated Node #0,1,3: 17:[13, 19] Operation: 26-7=19 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 17:[13, 19], Operations: ['50-24=26', '26-7=19'] Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,17 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 #0,1,2 Current State: 17:[26, 20], Operations: ['50-24=26', '13+7=20'] Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,17 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,17 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,17 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 #0,1,0 Current State: 17:[7, 13], Operations: ['50-24=26', '26-13=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,17 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:[26, 6], Operations: ['50-24=26', '13-7=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,17 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 #0,0 Current State: 17:[24, 13, 43], Operations: ['50-7=43'] Exploring Operation: 43-13=30, Resulting Numbers: [24, 30] Generated Node #0,0,0: 17:[24, 30] Operation: 43-13=30 Exploring Operation: 24+13=37, Resulting Numbers: [43, 37] Generated Node #0,0,1: 17:[43, 37] Operation: 24+13=37 Exploring Operation: 24-13=11, Resulting Numbers: [43, 11] Generated Node #0,0,2: 17:[43, 11] Operation: 24-13=11 Exploring Operation: 43-24=19, Resulting Numbers: [13, 19] Generated Node #0,0,3: 17:[13, 19] Operation: 43-24=19 Moving to Node #0,0,3 Current State: 17:[13, 19], Operations: ['50-7=43', '43-24=19'] Exploring Operation: 13*19=247, Resulting Numbers: [247] 247,17 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[24, 30], Operations: ['50-7=43', '43-13=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,17 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,0,2 Current State: 17:[43, 11], Operations: ['50-7=43', '24-13=11'] Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,17 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[43, 37], Operations: ['50-7=43', '24+13=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,17 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[50, 13, 17], Operations: ['24-7=17'] Exploring Operation: 50-13=37, Resulting Numbers: [17, 37] Generated Node #0,2,0: 17:[17, 37] Operation: 50-13=37 Exploring Operation: 50-17=33, Resulting Numbers: [13, 33] Generated Node #0,2,1: 17:[13, 33] Operation: 50-17=33 Exploring Operation: 13+17=30, Resulting Numbers: [50, 30] Generated Node #0,2,2: 17:[50, 30] Operation: 13+17=30 Exploring Operation: 50+13=63, Resulting Numbers: [17, 63] Generated Node #0,2,3: 17:[17, 63] Operation: 50+13=63 Moving to Node #0,2,0 Current State: 17:[17, 37], Operations: ['24-7=17', '50-13=37'] Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,17 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[13, 33], Operations: ['24-7=17', '50-17=33'] Exploring Operation: 13+33=46, Resulting Numbers: [46] 46,17 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 13*33=429, Resulting Numbers: [429] 429,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[17, 63], Operations: ['24-7=17', '50+13=63'] Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,17 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,17 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[50, 30], Operations: ['24-7=17', '13+17=30'] Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,17 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 17:[24, 7, 37], Operations: ['50-13=37'] Exploring Operation: 37-7=30, Resulting Numbers: [24, 30] Generated Node #0,3,0: 17:[24, 30] Operation: 37-7=30 Exploring Operation: 24-7=17, Resulting Numbers: [37, 17] Generated Node #0,3,1: 17:[37, 17] Operation: 24-7=17 Exploring Operation: 37-24=13, Resulting Numbers: [7, 13] Generated Node #0,3,2: 17:[7, 13] Operation: 37-24=13 Exploring Operation: 24+7=31, Resulting Numbers: [37, 31] Generated Node #0,3,3: 17:[37, 31] Operation: 24+7=31 Moving to Node #0,3,2 Current State: 17:[7, 13], Operations: ['50-13=37', '37-24=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,3,1 Current State: 17:[37, 17], Operations: ['50-13=37', '24-7=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,17 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,17 unequal: No Solution Moving to Node #0,3,0 Current State: 17:[24, 30], Operations: ['50-13=37', '37-7=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,17 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,17 unequal: No Solution Moving to Node #0,3,3 Current State: 17:[37, 31], Operations: ['50-13=37', '24+7=31'] Exploring Operation: 37*31=1147, Resulting Numbers: [1147] 1147,17 unequal: No Solution Exploring Operation: 37+31=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,17 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
[ 63, 45, 18, 99 ]
99
[ "63-45=18", "18+99=117", "117-18=99" ]
Current State: 99:[63, 45, 18, 99], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [18, 99, 18] Generated Node #2: [18, 99, 18] from Operation: 63-45=18 Current State: 99:[18, 99, 18], Operations: ['63-45=18'] Exploring Operation: 18+99=117, Resulting Numbers: [117] 117,99 equal: Goal Reached Exploring Operation: 117-18=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 45, 18, 99], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [18, 99, 18] Generated Node #0,0: 99:[18, 99, 18] Operation: 63-45=18 Moving to Node #0,0 Current State: 99:[18, 99, 18], Operations: ['63-45=18'] Exploring Operation: 18/18=1, Resulting Numbers: [99, 1] Generated Node #0,0,0: 99:[99, 1] Operation: 18/18=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[99, 1], Operations: ['63-45=18', '18/18=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[63, 45, 18, 99], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [18, 99, 18] Generated Node #0,0: 99:[18, 99, 18] Operation: 63-45=18 Moving to Node #0,0 Current State: 99:[18, 99, 18], Operations: ['63-45=18'] Exploring Operation: 18/18=1, Resulting Numbers: [99, 1] Generated Node #0,0,0: 99:[99, 1] Operation: 18/18=1 Moving to Node #0,0,0 Current State: 99:[99, 1], Operations: ['63-45=18', '18/18=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 7, 2, 8 ]
35
[ "2+8=10", "7*10=70", "70/2=35" ]
Current State: 35:[2, 7, 2, 8], Operations: [] Exploring Operation: 2+8=10, Resulting Numbers: [7, 10] Generated Node #2: [7, 10] from Operation: 2+8=10 Current State: 35:[7, 10], Operations: ['2+8=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,35 equal: Goal Reached Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[2, 7, 2, 8], Operations: [] Exploring Operation: 2+2=4, Resulting Numbers: [7, 8, 4] Generated Node #0,0: 35:[7, 8, 4] Operation: 2+2=4 Exploring Operation: 2*2=4, Resulting Numbers: [7, 8, 4] Generated Node #0,1: 35:[7, 8, 4] Operation: 2*2=4 Exploring Operation: 7-2=5, Resulting Numbers: [2, 8, 5] Generated Node #0,2: 35:[2, 8, 5] Operation: 7-2=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[7, 8, 4], Operations: ['2+2=4'] Exploring Operation: 7-4=3, Resulting Numbers: [8, 3] Generated Node #0,0,0: 35:[8, 3] Operation: 7-4=3 Exploring Operation: 8-4=4, Resulting Numbers: [7, 4] Generated Node #0,0,1: 35:[7, 4] Operation: 8-4=4 Exploring Operation: 8*4=32, Resulting Numbers: [7, 32] Generated Node #0,0,2: 35:[7, 32] Operation: 8*4=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[7, 4], Operations: ['2+2=4', '8-4=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[8, 3], Operations: ['2+2=4', '7-4=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[7, 32], Operations: ['2+2=4', '8*4=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,35 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: 35:[7, 8, 4], Operations: ['2*2=4'] Exploring Operation: 8-4=4, Resulting Numbers: [7, 4] Generated Node #0,1,0: 35:[7, 4] Operation: 8-4=4 Exploring Operation: 8*4=32, Resulting Numbers: [7, 32] Generated Node #0,1,1: 35:[7, 32] Operation: 8*4=32 Exploring Operation: 7-4=3, Resulting Numbers: [8, 3] Generated Node #0,1,2: 35:[8, 3] Operation: 7-4=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[7, 4], Operations: ['2*2=4', '8-4=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[7, 32], Operations: ['2*2=4', '8*4=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,35 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,35 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[8, 3], Operations: ['2*2=4', '7-4=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,35 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: 35:[2, 8, 5], Operations: ['7-2=5'] Exploring Operation: 8/2=4, Resulting Numbers: [5, 4] Generated Node #0,2,0: 35:[5, 4] Operation: 8/2=4 Exploring Operation: 2+5=7, Resulting Numbers: [8, 7] Generated Node #0,2,1: 35:[8, 7] Operation: 2+5=7 Exploring Operation: 8-2=6, Resulting Numbers: [5, 6] Generated Node #0,2,2: 35:[5, 6] Operation: 8-2=6 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[5, 4], Operations: ['7-2=5', '8/2=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[8, 7], Operations: ['7-2=5', '2+5=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[5, 6], Operations: ['7-2=5', '8-2=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 45, 54, 80, 73 ]
23
[ "54*80=4320", "4320/45=96", "96-73=23" ]
Current State: 23:[45, 54, 80, 73], Operations: [] Exploring Operation: 54*80=4320, Resulting Numbers: [45, 73, 4320] Generated Node #2: [45, 73, 4320] from Operation: 54*80=4320 Current State: 23:[45, 73, 4320], Operations: ['54*80=4320'] Exploring Operation: 4320/45=96, Resulting Numbers: [73, 96] Generated Node #3: [73, 96] from Operation: 4320/45=96 Current State: 23:[73, 96], Operations: ['54*80=4320', '4320/45=96'] Exploring Operation: 96-73=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[45, 54, 80, 73], Operations: [] Exploring Operation: 80-54=26, Resulting Numbers: [45, 73, 26] Generated Node #0,0: 23:[45, 73, 26] Operation: 80-54=26 Exploring Operation: 73-54=19, Resulting Numbers: [45, 80, 19] Generated Node #0,1: 23:[45, 80, 19] Operation: 73-54=19 Exploring Operation: 80-73=7, Resulting Numbers: [45, 54, 7] Generated Node #0,2: 23:[45, 54, 7] Operation: 80-73=7 Exploring Operation: 80-45=35, Resulting Numbers: [54, 73, 35] Generated Node #0,3: 23:[54, 73, 35] Operation: 80-45=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[45, 54, 7], Operations: ['80-73=7'] Exploring Operation: 54-7=47, Resulting Numbers: [45, 47] Generated Node #0,2,0: 23:[45, 47] Operation: 54-7=47 Exploring Operation: 54-45=9, Resulting Numbers: [7, 9] Generated Node #0,2,1: 23:[7, 9] Operation: 54-45=9 Exploring Operation: 45+7=52, Resulting Numbers: [54, 52] Generated Node #0,2,2: 23:[54, 52] Operation: 45+7=52 Exploring Operation: 45-7=38, Resulting Numbers: [54, 38] Generated Node #0,2,3: 23:[54, 38] Operation: 45-7=38 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[7, 9], Operations: ['80-73=7', '54-45=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,23 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 #0,2,0 Current State: 23:[45, 47], Operations: ['80-73=7', '54-7=47'] Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,23 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,23 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 #0,2,3 Current State: 23:[54, 38], Operations: ['80-73=7', '45-7=38'] Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,23 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,23 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,23 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 #0,2,2 Current State: 23:[54, 52], Operations: ['80-73=7', '45+7=52'] Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 54*52=2808, Resulting Numbers: [2808] 2808,23 unequal: No Solution Exploring Operation: 54+52=106, Resulting Numbers: [106] 106,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[45, 73, 26], Operations: ['80-54=26'] Exploring Operation: 45+73=118, Resulting Numbers: [26, 118] Generated Node #0,0,0: 23:[26, 118] Operation: 45+73=118 Exploring Operation: 45-26=19, Resulting Numbers: [73, 19] Generated Node #0,0,1: 23:[73, 19] Operation: 45-26=19 Exploring Operation: 73-45=28, Resulting Numbers: [26, 28] Generated Node #0,0,2: 23:[26, 28] Operation: 73-45=28 Exploring Operation: 73-26=47, Resulting Numbers: [45, 47] Generated Node #0,0,3: 23:[45, 47] Operation: 73-26=47 Moving to Node #0,0,2 Current State: 23:[26, 28], Operations: ['80-54=26', '73-45=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,23 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[45, 47], Operations: ['80-54=26', '73-26=47'] Exploring Operation: 45*47=2115, Resulting Numbers: [2115] 2115,23 unequal: No Solution Exploring Operation: 45+47=92, Resulting Numbers: [92] 92,23 unequal: No Solution Exploring Operation: 47-45=2, Resulting Numbers: [2] 2,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[73, 19], Operations: ['80-54=26', '45-26=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,23 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[26, 118], Operations: ['80-54=26', '45+73=118'] Exploring Operation: 26*118=3068, Resulting Numbers: [3068] 3068,23 unequal: No Solution Exploring Operation: 26+118=144, Resulting Numbers: [144] 144,23 unequal: No Solution Exploring Operation: 118-26=92, Resulting Numbers: [92] 92,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[45, 80, 19], Operations: ['73-54=19'] Exploring Operation: 45+19=64, Resulting Numbers: [80, 64] Generated Node #0,1,0: 23:[80, 64] Operation: 45+19=64 Exploring Operation: 45-19=26, Resulting Numbers: [80, 26] Generated Node #0,1,1: 23:[80, 26] Operation: 45-19=26 Exploring Operation: 80-45=35, Resulting Numbers: [19, 35] Generated Node #0,1,2: 23:[19, 35] Operation: 80-45=35 Exploring Operation: 80-19=61, Resulting Numbers: [45, 61] Generated Node #0,1,3: 23:[45, 61] Operation: 80-19=61 Moving to Node #0,1,2 Current State: 23:[19, 35], Operations: ['73-54=19', '80-45=35'] Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[45, 61], Operations: ['73-54=19', '80-19=61'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,23 unequal: No Solution Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[80, 26], Operations: ['73-54=19', '45-19=26'] Exploring Operation: 80*26=2080, Resulting Numbers: [2080] 2080,23 unequal: No Solution Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 80+26=106, Resulting Numbers: [106] 106,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[80, 64], Operations: ['73-54=19', '45+19=64'] Exploring Operation: 80+64=144, Resulting Numbers: [144] 144,23 unequal: No Solution Exploring Operation: 80*64=5120, Resulting Numbers: [5120] 5120,23 unequal: No Solution Exploring Operation: 80-64=16, Resulting Numbers: [16] 16,23 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 #0,3 Current State: 23:[54, 73, 35], Operations: ['80-45=35'] Exploring Operation: 54+73=127, Resulting Numbers: [35, 127] Generated Node #0,3,0: 23:[35, 127] Operation: 54+73=127 Exploring Operation: 73-54=19, Resulting Numbers: [35, 19] Generated Node #0,3,1: 23:[35, 19] Operation: 73-54=19 Exploring Operation: 73-35=38, Resulting Numbers: [54, 38] Generated Node #0,3,2: 23:[54, 38] Operation: 73-35=38 Exploring Operation: 54-35=19, Resulting Numbers: [73, 19] Generated Node #0,3,3: 23:[73, 19] Operation: 54-35=19 Moving to Node #0,3,1 Current State: 23:[35, 19], Operations: ['80-45=35', '73-54=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,23 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,23 unequal: No Solution Moving to Node #0,3,2 Current State: 23:[54, 38], Operations: ['80-45=35', '73-35=38'] Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,23 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,23 unequal: No Solution Moving to Node #0,3,3 Current State: 23:[73, 19], Operations: ['80-45=35', '54-35=19'] Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,23 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,23 unequal: No Solution Moving to Node #0,3,0 Current State: 23:[35, 127], Operations: ['80-45=35', '54+73=127'] Exploring Operation: 127-35=92, Resulting Numbers: [92] 92,23 unequal: No Solution Exploring Operation: 35*127=4445, Resulting Numbers: [4445] 4445,23 unequal: No Solution Exploring Operation: 35+127=162, Resulting Numbers: [162] 162,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 21, 23, 43, 61 ]
16
[ "23-21=2", "61-43=18", "18-2=16" ]
Current State: 16:[21, 23, 43, 61], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [43, 61, 2] Generated Node #2: [43, 61, 2] from Operation: 23-21=2 Current State: 16:[43, 61, 2], Operations: ['23-21=2'] Exploring Operation: 61-43=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 61-43=18 Current State: 16:[2, 18], Operations: ['23-21=2', '61-43=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[21, 23, 43, 61], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [21, 23, 18] Generated Node #0,0: 16:[21, 23, 18] Operation: 61-43=18 Moving to Node #0,0 Current State: 16:[21, 23, 18], Operations: ['61-43=18'] Exploring Operation: 23-21=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 23-21=2 Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['61-43=18', '23-21=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[21, 23, 43, 61], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [21, 23, 18] Generated Node #0,0: 16:[21, 23, 18] Operation: 61-43=18 Moving to Node #0,0 Current State: 16:[21, 23, 18], Operations: ['61-43=18'] Exploring Operation: 23-21=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 23-21=2 Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['61-43=18', '23-21=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 91, 11, 79, 45 ]
93
[ "11+79=90", "90/45=2", "91+2=93" ]
Current State: 93:[91, 11, 79, 45], Operations: [] Exploring Operation: 11+79=90, Resulting Numbers: [91, 45, 90] Generated Node #2: [91, 45, 90] from Operation: 11+79=90 Current State: 93:[91, 45, 90], Operations: ['11+79=90'] Exploring Operation: 90/45=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 90/45=2 Current State: 93:[91, 2], Operations: ['11+79=90', '90/45=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[91, 11, 79, 45], Operations: [] Exploring Operation: 45-11=34, Resulting Numbers: [91, 79, 34] Generated Node #0,0: 93:[91, 79, 34] Operation: 45-11=34 Exploring Operation: 11+79=90, Resulting Numbers: [91, 45, 90] Generated Node #0,1: 93:[91, 45, 90] Operation: 11+79=90 Exploring Operation: 79-45=34, Resulting Numbers: [91, 11, 34] Generated Node #0,2: 93:[91, 11, 34] Operation: 79-45=34 Moving to Node #0,2 Current State: 93:[91, 11, 34], Operations: ['79-45=34'] Exploring Operation: 34-11=23, Resulting Numbers: [91, 23] Generated Node #0,2,0: 93:[91, 23] Operation: 34-11=23 Exploring Operation: 91+11=102, Resulting Numbers: [34, 102] Generated Node #0,2,1: 93:[34, 102] Operation: 91+11=102 Exploring Operation: 91-11=80, Resulting Numbers: [34, 80] Generated Node #0,2,2: 93:[34, 80] Operation: 91-11=80 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[91, 23], Operations: ['79-45=34', '34-11=23'] Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,93 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,93 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[34, 102], Operations: ['79-45=34', '91+11=102'] Exploring Operation: 102-34=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 102/34=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 34+102=136, Resulting Numbers: [136] 136,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[34, 80], Operations: ['79-45=34', '91-11=80'] Exploring Operation: 34+80=114, Resulting Numbers: [114] 114,93 unequal: No Solution Exploring Operation: 34*80=2720, Resulting Numbers: [2720] 2720,93 unequal: No Solution Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 93:[91, 79, 34], Operations: ['45-11=34'] Exploring Operation: 91-79=12, Resulting Numbers: [34, 12] Generated Node #0,0,0: 93:[34, 12] Operation: 91-79=12 Exploring Operation: 79+34=113, Resulting Numbers: [91, 113] Generated Node #0,0,1: 93:[91, 113] Operation: 79+34=113 Exploring Operation: 79-34=45, Resulting Numbers: [91, 45] Generated Node #0,0,2: 93:[91, 45] Operation: 79-34=45 Moving to Node #0,1 Current State: 93:[91, 45, 90], Operations: ['11+79=90'] Exploring Operation: 91-90=1, Resulting Numbers: [45, 1] Generated Node #0,1,0: 93:[45, 1] Operation: 91-90=1 Exploring Operation: 90-45=45, Resulting Numbers: [91, 45] Generated Node #0,1,1: 93:[91, 45] Operation: 90-45=45 Exploring Operation: 90/45=2, Resulting Numbers: [91, 2] Generated Node #0,1,2: 93:[91, 2] Operation: 90/45=2 Moving to Node #0,1,2 Current State: 93:[91, 2], Operations: ['11+79=90', '90/45=2'] Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,93 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[91, 11, 79, 45], Operations: [] Exploring Operation: 11+79=90, Resulting Numbers: [91, 45, 90] Generated Node #0,1: 93:[91, 45, 90] Operation: 11+79=90 Moving to Node #0,1 Current State: 93:[91, 45, 90], Operations: ['11+79=90'] Exploring Operation: 90/45=2, Resulting Numbers: [91, 2] Generated Node #0,1,2: 93:[91, 2] Operation: 90/45=2 Moving to Node #0,1,2 Current State: 93:[91, 2], Operations: ['11+79=90', '90/45=2'] Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 83, 94, 41, 96 ]
66
[ "94-83=11", "96-41=55", "11+55=66" ]
Current State: 66:[83, 94, 41, 96], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [41, 96, 11] Generated Node #2: [41, 96, 11] from Operation: 94-83=11 Current State: 66:[41, 96, 11], Operations: ['94-83=11'] Exploring Operation: 96-41=55, Resulting Numbers: [11, 55] Generated Node #3: [11, 55] from Operation: 96-41=55 Current State: 66:[11, 55], Operations: ['94-83=11', '96-41=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[83, 94, 41, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [94, 41, 13] Generated Node #0,0: 66:[94, 41, 13] Operation: 96-83=13 Exploring Operation: 94-83=11, Resulting Numbers: [41, 96, 11] Generated Node #0,1: 66:[41, 96, 11] Operation: 94-83=11 Exploring Operation: 96-94=2, Resulting Numbers: [83, 41, 2] Generated Node #0,2: 66:[83, 41, 2] Operation: 96-94=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[83, 41, 2], Operations: ['96-94=2'] Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 66:[2, 42] Operation: 83-41=42 Exploring Operation: 83-2=81, Resulting Numbers: [41, 81] Generated Node #0,2,1: 66:[41, 81] Operation: 83-2=81 Exploring Operation: 41-2=39, Resulting Numbers: [83, 39] Generated Node #0,2,2: 66:[83, 39] Operation: 41-2=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[2, 42], Operations: ['96-94=2', '83-41=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,66 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,66 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[41, 81], Operations: ['96-94=2', '83-2=81'] Exploring Operation: 41*81=3321, Resulting Numbers: [3321] 3321,66 unequal: No Solution Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 41+81=122, Resulting Numbers: [122] 122,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[83, 39], Operations: ['96-94=2', '41-2=39'] Exploring Operation: 83+39=122, Resulting Numbers: [122] 122,66 unequal: No Solution Exploring Operation: 83*39=3237, Resulting Numbers: [3237] 3237,66 unequal: No Solution Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[94, 41, 13], Operations: ['96-83=13'] Exploring Operation: 41-13=28, Resulting Numbers: [94, 28] Generated Node #0,0,0: 66:[94, 28] Operation: 41-13=28 Exploring Operation: 94-41=53, Resulting Numbers: [13, 53] Generated Node #0,0,1: 66:[13, 53] Operation: 94-41=53 Exploring Operation: 94-13=81, Resulting Numbers: [41, 81] Generated Node #0,0,2: 66:[41, 81] Operation: 94-13=81 Moving to Node #0,0,1 Current State: 66:[13, 53], Operations: ['96-83=13', '94-41=53'] Exploring Operation: 13*53=689, Resulting Numbers: [689] 689,66 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[83, 94, 41, 96], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [94, 41, 13] Generated Node #0,0: 66:[94, 41, 13] Operation: 96-83=13 Moving to Node #0,0 Current State: 66:[94, 41, 13], Operations: ['96-83=13'] Exploring Operation: 94-41=53, Resulting Numbers: [13, 53] Generated Node #0,0,1: 66:[13, 53] Operation: 94-41=53 Moving to Node #0,0,1 Current State: 66:[13, 53], Operations: ['96-83=13', '94-41=53'] Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 17, 17, 44, 35 ]
79
[ "17-17=0", "44+35=79", "0+79=79" ]
Current State: 79:[17, 17, 44, 35], Operations: [] Exploring Operation: 17-17=0, Resulting Numbers: [44, 35, 0] Generated Node #2: [44, 35, 0] from Operation: 17-17=0 Current State: 79:[44, 35, 0], Operations: ['17-17=0'] Exploring Operation: 44+35=79, Resulting Numbers: [0, 79] Generated Node #3: [0, 79] from Operation: 44+35=79 Current State: 79:[0, 79], Operations: ['17-17=0', '44+35=79'] Exploring Operation: 0+79=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[17, 17, 44, 35], Operations: [] Exploring Operation: 17+17=34, Resulting Numbers: [44, 35, 34] Generated Node #0,0: 79:[44, 35, 34] Operation: 17+17=34 Exploring Operation: 17+35=52, Resulting Numbers: [17, 44, 52] Generated Node #0,1: 79:[17, 44, 52] Operation: 17+35=52 Exploring Operation: 17+44=61, Resulting Numbers: [17, 35, 61] Generated Node #0,2: 79:[17, 35, 61] Operation: 17+44=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[44, 35, 34], Operations: ['17+17=34'] Exploring Operation: 44+34=78, Resulting Numbers: [35, 78] Generated Node #0,0,0: 79:[35, 78] Operation: 44+34=78 Exploring Operation: 35+34=69, Resulting Numbers: [44, 69] Generated Node #0,0,1: 79:[44, 69] Operation: 35+34=69 Exploring Operation: 44+35=79, Resulting Numbers: [34, 79] Generated Node #0,0,2: 79:[34, 79] Operation: 44+35=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[35, 78], Operations: ['17+17=34', '44+34=78'] Exploring Operation: 35+78=113, Resulting Numbers: [113] 113,79 unequal: No Solution Exploring Operation: 35*78=2730, Resulting Numbers: [2730] 2730,79 unequal: No Solution Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[44, 69], Operations: ['17+17=34', '35+34=69'] Exploring Operation: 44*69=3036, Resulting Numbers: [3036] 3036,79 unequal: No Solution Exploring Operation: 44+69=113, Resulting Numbers: [113] 113,79 unequal: No Solution Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[34, 79], Operations: ['17+17=34', '44+35=79'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 34+79=113, Resulting Numbers: [113] 113,79 unequal: No Solution Exploring Operation: 34*79=2686, Resulting Numbers: [2686] 2686,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[17, 44, 52], Operations: ['17+35=52'] Exploring Operation: 17+52=69, Resulting Numbers: [44, 69] Generated Node #0,1,0: 79:[44, 69] Operation: 17+52=69 Exploring Operation: 44-17=27, Resulting Numbers: [52, 27] Generated Node #0,1,1: 79:[52, 27] Operation: 44-17=27 Exploring Operation: 17+44=61, Resulting Numbers: [52, 61] Generated Node #0,1,2: 79:[52, 61] Operation: 17+44=61 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[44, 69], Operations: ['17+35=52', '17+52=69'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,79 unequal: No Solution Exploring Operation: 44+69=113, Resulting Numbers: [113] 113,79 unequal: No Solution Exploring Operation: 44*69=3036, Resulting Numbers: [3036] 3036,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[52, 61], Operations: ['17+35=52', '17+44=61'] Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,79 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[52, 27], Operations: ['17+35=52', '44-17=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,79 unequal: No Solution Exploring Operation: 52*27=1404, Resulting Numbers: [1404] 1404,79 unequal: No Solution Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[17, 17, 44, 35], Operations: [] Exploring Operation: 17+35=52, Resulting Numbers: [17, 44, 52] Generated Node #0,1: 79:[17, 44, 52] Operation: 17+35=52 Moving to Node #0,1 Current State: 79:[17, 44, 52], Operations: ['17+35=52'] Exploring Operation: 44-17=27, Resulting Numbers: [52, 27] Generated Node #0,1,1: 79:[52, 27] Operation: 44-17=27 Moving to Node #0,1,1 Current State: 79:[52, 27], Operations: ['17+35=52', '44-17=27'] Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_3
mult_heuristic
[ 77, 72, 76, 29 ]
12
[ "77-29=48", "76-72=4", "48/4=12" ]
Current State: 12:[77, 72, 76, 29], Operations: [] Exploring Operation: 77-29=48, Resulting Numbers: [72, 76, 48] Generated Node #2: [72, 76, 48] from Operation: 77-29=48 Current State: 12:[72, 76, 48], Operations: ['77-29=48'] Exploring Operation: 76-72=4, Resulting Numbers: [48, 4] Generated Node #3: [48, 4] from Operation: 76-72=4 Current State: 12:[48, 4], Operations: ['77-29=48', '76-72=4'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[77, 72, 76, 29], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [72, 29, 1] Generated Node #0,0: 12:[72, 29, 1] Operation: 77-76=1 Moving to Node #0,0 Current State: 12:[72, 29, 1], Operations: ['77-76=1'] Exploring Operation: 72-29=43, Resulting Numbers: [1, 43] Generated Node #0,0,0: 12:[1, 43] Operation: 72-29=43 Moving to Node #0,0,0 Current State: 12:[1, 43], Operations: ['77-76=1', '72-29=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,12 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 44, 27, 78, 92 ]
99
[ "44+27=71", "78+92=170", "170-71=99" ]
Current State: 99:[44, 27, 78, 92], Operations: [] Exploring Operation: 44+27=71, Resulting Numbers: [78, 92, 71] Generated Node #2: [78, 92, 71] from Operation: 44+27=71 Current State: 99:[78, 92, 71], Operations: ['44+27=71'] Exploring Operation: 78+92=170, Resulting Numbers: [71, 170] Generated Node #3: [71, 170] from Operation: 78+92=170 Current State: 99:[71, 170], Operations: ['44+27=71', '78+92=170'] Exploring Operation: 170-71=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[44, 27, 78, 92], Operations: [] Exploring Operation: 27+78=105, Resulting Numbers: [44, 92, 105] Generated Node #0,0: 99:[44, 92, 105] Operation: 27+78=105 Exploring Operation: 92-78=14, Resulting Numbers: [44, 27, 14] Generated Node #0,1: 99:[44, 27, 14] Operation: 92-78=14 Exploring Operation: 78-44=34, Resulting Numbers: [27, 92, 34] Generated Node #0,2: 99:[27, 92, 34] Operation: 78-44=34 Moving to Node #0,2 Current State: 99:[27, 92, 34], Operations: ['78-44=34'] Exploring Operation: 27+92=119, Resulting Numbers: [34, 119] Generated Node #0,2,0: 99:[34, 119] Operation: 27+92=119 Exploring Operation: 92-34=58, Resulting Numbers: [27, 58] Generated Node #0,2,1: 99:[27, 58] Operation: 92-34=58 Exploring Operation: 34-27=7, Resulting Numbers: [92, 7] Generated Node #0,2,2: 99:[92, 7] Operation: 34-27=7 Moving to Node #0,1 Current State: 99:[44, 27, 14], Operations: ['92-78=14'] Exploring Operation: 27-14=13, Resulting Numbers: [44, 13] Generated Node #0,1,0: 99:[44, 13] Operation: 27-14=13 Exploring Operation: 44-14=30, Resulting Numbers: [27, 30] Generated Node #0,1,1: 99:[27, 30] Operation: 44-14=30 Exploring Operation: 44-27=17, Resulting Numbers: [14, 17] Generated Node #0,1,2: 99:[14, 17] Operation: 44-27=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[27, 30], Operations: ['92-78=14', '44-14=30'] Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,99 unequal: No Solution Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[14, 17], Operations: ['92-78=14', '44-27=17'] Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[44, 13], Operations: ['92-78=14', '27-14=13'] Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,99 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: 99:[44, 92, 105], Operations: ['27+78=105'] Exploring Operation: 105-92=13, Resulting Numbers: [44, 13] Generated Node #0,0,0: 99:[44, 13] Operation: 105-92=13 Exploring Operation: 105-44=61, Resulting Numbers: [92, 61] Generated Node #0,0,1: 99:[92, 61] Operation: 105-44=61 Exploring Operation: 92-44=48, Resulting Numbers: [105, 48] Generated Node #0,0,2: 99:[105, 48] Operation: 92-44=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[44, 13], Operations: ['27+78=105', '105-92=13'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,99 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 #0,0,2 Current State: 99:[105, 48], Operations: ['27+78=105', '92-44=48'] Exploring Operation: 105+48=153, Resulting Numbers: [153] 153,99 unequal: No Solution Exploring Operation: 105-48=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 105*48=5040, Resulting Numbers: [5040] 5040,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[92, 61], Operations: ['27+78=105', '105-44=61'] Exploring Operation: 92-61=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 92*61=5612, Resulting Numbers: [5612] 5612,99 unequal: No Solution Exploring Operation: 92+61=153, Resulting Numbers: [153] 153,99 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: 99:[92, 7], Operations: ['78-44=34', '34-27=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,99 unequal: No Solution Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[44, 27, 78, 92], Operations: [] Exploring Operation: 78-44=34, Resulting Numbers: [27, 92, 34] Generated Node #0,2: 99:[27, 92, 34] Operation: 78-44=34 Moving to Node #0,2 Current State: 99:[27, 92, 34], Operations: ['78-44=34'] Exploring Operation: 34-27=7, Resulting Numbers: [92, 7] Generated Node #0,2,2: 99:[92, 7] Operation: 34-27=7 Moving to Node #0,2,2 Current State: 99:[92, 7], Operations: ['78-44=34', '34-27=7'] Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.96875
hs_3
sum_heuristic
[ 2, 32, 14, 61 ]
38
[ "32+14=46", "46/2=23", "61-23=38" ]
Current State: 38:[2, 32, 14, 61], Operations: [] Exploring Operation: 32+14=46, Resulting Numbers: [2, 61, 46] Generated Node #2: [2, 61, 46] from Operation: 32+14=46 Current State: 38:[2, 61, 46], Operations: ['32+14=46'] Exploring Operation: 46/2=23, Resulting Numbers: [61, 23] Generated Node #3: [61, 23] from Operation: 46/2=23 Current State: 38:[61, 23], Operations: ['32+14=46', '46/2=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[2, 32, 14, 61], Operations: [] Exploring Operation: 61-32=29, Resulting Numbers: [2, 14, 29] Generated Node #0,0: 38:[2, 14, 29] Operation: 61-32=29 Exploring Operation: 61-14=47, Resulting Numbers: [2, 32, 47] Generated Node #0,1: 38:[2, 32, 47] Operation: 61-14=47 Moving to Node #0,0 Current State: 38:[2, 14, 29], Operations: ['61-32=29'] Exploring Operation: 14+29=43, Resulting Numbers: [2, 43] Generated Node #0,0,0: 38:[2, 43] Operation: 14+29=43 Exploring Operation: 29-14=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 38:[2, 15] Operation: 29-14=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[2, 15], Operations: ['61-32=29', '29-14=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[2, 43], Operations: ['61-32=29', '14+29=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,38 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: 38:[2, 32, 47], Operations: ['61-14=47'] Exploring Operation: 32/2=16, Resulting Numbers: [47, 16] Generated Node #0,1,0: 38:[47, 16] Operation: 32/2=16 Exploring Operation: 47-32=15, Resulting Numbers: [2, 15] Generated Node #0,1,1: 38:[2, 15] Operation: 47-32=15 Moving to Node #0,1,1 Current State: 38:[2, 15], Operations: ['61-14=47', '47-32=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[47, 16], Operations: ['61-14=47', '32/2=16'] Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,38 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,38 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 44, 94, 43, 82 ]
89
[ "94-44=50", "82-43=39", "50+39=89" ]
Current State: 89:[44, 94, 43, 82], Operations: [] Exploring Operation: 94-44=50, Resulting Numbers: [43, 82, 50] Generated Node #2: [43, 82, 50] from Operation: 94-44=50 Current State: 89:[43, 82, 50], Operations: ['94-44=50'] Exploring Operation: 82-43=39, Resulting Numbers: [50, 39] Generated Node #3: [50, 39] from Operation: 82-43=39 Current State: 89:[50, 39], Operations: ['94-44=50', '82-43=39'] Exploring Operation: 50+39=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[44, 94, 43, 82], Operations: [] Exploring Operation: 44+43=87, Resulting Numbers: [94, 82, 87] Generated Node #0,0: 89:[94, 82, 87] Operation: 44+43=87 Exploring Operation: 43+82=125, Resulting Numbers: [44, 94, 125] Generated Node #0,1: 89:[44, 94, 125] Operation: 43+82=125 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[94, 82, 87], Operations: ['44+43=87'] Exploring Operation: 94-82=12, Resulting Numbers: [87, 12] Generated Node #0,0,0: 89:[87, 12] Operation: 94-82=12 Exploring Operation: 82+87=169, Resulting Numbers: [94, 169] Generated Node #0,0,1: 89:[94, 169] Operation: 82+87=169 Moving to Node #0,0,0 Current State: 89:[87, 12], Operations: ['44+43=87', '94-82=12'] Exploring Operation: 87+12=99, Resulting Numbers: [99] 99,89 unequal: No Solution Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[94, 169], Operations: ['44+43=87', '82+87=169'] Exploring Operation: 94+169=263, Resulting Numbers: [263] 263,89 unequal: No Solution Exploring Operation: 169-94=75, Resulting Numbers: [75] 75,89 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:[44, 94, 125], Operations: ['43+82=125'] Exploring Operation: 125-44=81, Resulting Numbers: [94, 81] Generated Node #0,1,0: 89:[94, 81] Operation: 125-44=81 Exploring Operation: 94-44=50, Resulting Numbers: [125, 50] Generated Node #0,1,1: 89:[125, 50] Operation: 94-44=50 Moving to Node #0,1,0 Current State: 89:[94, 81], Operations: ['43+82=125', '125-44=81'] Exploring Operation: 94-81=13, Resulting Numbers: [13] 13,89 unequal: No Solution Exploring Operation: 94+81=175, Resulting Numbers: [175] 175,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[125, 50], Operations: ['43+82=125', '94-44=50'] Exploring Operation: 125-50=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 125+50=175, Resulting Numbers: [175] 175,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 9, 47, 98, 23 ]
83
[ "47-9=38", "98+23=121", "121-38=83" ]
Current State: 83:[9, 47, 98, 23], Operations: [] Exploring Operation: 47-9=38, Resulting Numbers: [98, 23, 38] Generated Node #2: [98, 23, 38] from Operation: 47-9=38 Current State: 83:[98, 23, 38], Operations: ['47-9=38'] Exploring Operation: 98+23=121, Resulting Numbers: [38, 121] Generated Node #3: [38, 121] from Operation: 98+23=121 Current State: 83:[38, 121], Operations: ['47-9=38', '98+23=121'] Exploring Operation: 121-38=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[9, 47, 98, 23], Operations: [] Exploring Operation: 9+47=56, Resulting Numbers: [98, 23, 56] Generated Node #0,0: 83:[98, 23, 56] Operation: 9+47=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[98, 23, 56], Operations: ['9+47=56'] Exploring Operation: 23+56=79, Resulting Numbers: [98, 79] Generated Node #0,0,0: 83:[98, 79] Operation: 23+56=79 Moving to Node #0,0,0 Current State: 83:[98, 79], Operations: ['9+47=56', '23+56=79'] Exploring Operation: 98-79=19, Resulting Numbers: [19] 19,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 16, 46, 14, 57 ]
17
[ "14*57=798", "798-16=782", "782/46=17" ]
Current State: 17:[16, 46, 14, 57], Operations: [] Exploring Operation: 14*57=798, Resulting Numbers: [16, 46, 798] Generated Node #2: [16, 46, 798] from Operation: 14*57=798 Current State: 17:[16, 46, 798], Operations: ['14*57=798'] Exploring Operation: 798-16=782, Resulting Numbers: [46, 782] Generated Node #3: [46, 782] from Operation: 798-16=782 Current State: 17:[46, 782], Operations: ['14*57=798', '798-16=782'] Exploring Operation: 782/46=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[16, 46, 14, 57], Operations: [] Exploring Operation: 46-16=30, Resulting Numbers: [14, 57, 30] Generated Node #0,0: 17:[14, 57, 30] Operation: 46-16=30 Exploring Operation: 57-46=11, Resulting Numbers: [16, 14, 11] Generated Node #0,1: 17:[16, 14, 11] Operation: 57-46=11 Exploring Operation: 57-16=41, Resulting Numbers: [46, 14, 41] Generated Node #0,2: 17:[46, 14, 41] Operation: 57-16=41 Moving to Node #0,1 Current State: 17:[16, 14, 11], Operations: ['57-46=11'] Exploring Operation: 16-11=5, Resulting Numbers: [14, 5] Generated Node #0,1,0: 17:[14, 5] Operation: 16-11=5 Exploring Operation: 16+11=27, Resulting Numbers: [14, 27] Generated Node #0,1,1: 17:[14, 27] Operation: 16+11=27 Exploring Operation: 14+11=25, Resulting Numbers: [16, 25] Generated Node #0,1,2: 17:[16, 25] Operation: 14+11=25 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[16, 25], Operations: ['57-46=11', '14+11=25'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[14, 27], Operations: ['57-46=11', '16+11=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[14, 5], Operations: ['57-46=11', '16-11=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,17 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,17 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: 17:[14, 57, 30], Operations: ['46-16=30'] Exploring Operation: 30-14=16, Resulting Numbers: [57, 16] Generated Node #0,0,0: 17:[57, 16] Operation: 30-14=16 Exploring Operation: 57-30=27, Resulting Numbers: [14, 27] Generated Node #0,0,1: 17:[14, 27] Operation: 57-30=27 Exploring Operation: 57-14=43, Resulting Numbers: [30, 43] Generated Node #0,0,2: 17:[30, 43] Operation: 57-14=43 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[14, 27], Operations: ['46-16=30', '57-30=27'] Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,17 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[30, 43], Operations: ['46-16=30', '57-14=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[57, 16], Operations: ['46-16=30', '30-14=16'] Exploring Operation: 57*16=912, Resulting Numbers: [912] 912,17 unequal: No Solution Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,17 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: 17:[46, 14, 41], Operations: ['57-16=41'] Exploring Operation: 46-14=32, Resulting Numbers: [41, 32] Generated Node #0,2,0: 17:[41, 32] Operation: 46-14=32 Exploring Operation: 41-14=27, Resulting Numbers: [46, 27] Generated Node #0,2,1: 17:[46, 27] Operation: 41-14=27 Exploring Operation: 46-41=5, Resulting Numbers: [14, 5] Generated Node #0,2,2: 17:[14, 5] Operation: 46-41=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[14, 5], Operations: ['57-16=41', '46-41=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,17 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[41, 32], Operations: ['57-16=41', '46-14=32'] Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,17 unequal: No Solution Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[46, 27], Operations: ['57-16=41', '41-14=27'] Exploring Operation: 46-27=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 46+27=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 46*27=1242, Resulting Numbers: [1242] 1242,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 31, 62, 93, 53 ]
38
[ "62/31=2", "93-53=40", "40-2=38" ]
Current State: 38:[31, 62, 93, 53], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [93, 53, 2] Generated Node #2: [93, 53, 2] from Operation: 62/31=2 Current State: 38:[93, 53, 2], Operations: ['62/31=2'] Exploring Operation: 93-53=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 93-53=40 Current State: 38:[2, 40], Operations: ['62/31=2', '93-53=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[31, 62, 93, 53], Operations: [] Exploring Operation: 93-31=62, Resulting Numbers: [62, 53, 62] Generated Node #0,0: 38:[62, 53, 62] Operation: 93-31=62 Exploring Operation: 93-62=31, Resulting Numbers: [31, 53, 31] Generated Node #0,1: 38:[31, 53, 31] Operation: 93-62=31 Exploring Operation: 62-53=9, Resulting Numbers: [31, 93, 9] Generated Node #0,2: 38:[31, 93, 9] Operation: 62-53=9 Exploring Operation: 93-53=40, Resulting Numbers: [31, 62, 40] Generated Node #0,3: 38:[31, 62, 40] Operation: 93-53=40 Exploring Operation: 93/31=3, Resulting Numbers: [62, 53, 3] Generated Node #0,4: 38:[62, 53, 3] Operation: 93/31=3 Moving to Node #0,1 Current State: 38:[31, 53, 31], Operations: ['93-62=31'] Exploring Operation: 31-31=0, Resulting Numbers: [53, 0] Generated Node #0,1,0: 38:[53, 0] Operation: 31-31=0 Exploring Operation: 53-31=22, Resulting Numbers: [31, 22] Generated Node #0,1,1: 38:[31, 22] Operation: 53-31=22 Exploring Operation: 31/31=1, Resulting Numbers: [53, 1] Generated Node #0,1,2: 38:[53, 1] Operation: 31/31=1 Exploring Operation: 53-31=22, Resulting Numbers: [31, 22] Generated Node #0,1,3: 38:[31, 22] Operation: 53-31=22 Exploring Operation: 31+31=62, Resulting Numbers: [53, 62] Generated Node #0,1,4: 38:[53, 62] Operation: 31+31=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[31, 22], Operations: ['93-62=31', '53-31=22'] Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,38 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[31, 22], Operations: ['93-62=31', '53-31=22'] Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,38 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[53, 1], Operations: ['93-62=31', '31/31=1'] Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[53, 0], Operations: ['93-62=31', '31-31=0'] Exploring Operation: 53+0=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 53-0=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 53*0=0, Resulting Numbers: [0] 0,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 38:[53, 62], Operations: ['93-62=31', '31+31=62'] Exploring Operation: 53+62=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 62-53=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 53*62=3286, Resulting Numbers: [3286] 3286,38 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: 38:[31, 62, 40], Operations: ['93-53=40'] Exploring Operation: 62-40=22, Resulting Numbers: [31, 22] Generated Node #0,3,0: 38:[31, 22] Operation: 62-40=22 Exploring Operation: 40-31=9, Resulting Numbers: [62, 9] Generated Node #0,3,1: 38:[62, 9] Operation: 40-31=9 Exploring Operation: 31+62=93, Resulting Numbers: [40, 93] Generated Node #0,3,2: 38:[40, 93] Operation: 31+62=93 Exploring Operation: 62/31=2, Resulting Numbers: [40, 2] Generated Node #0,3,3: 38:[40, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [40, 31] Generated Node #0,3,4: 38:[40, 31] Operation: 62-31=31 Moving to Node #0,4 Current State: 38:[62, 53, 3], Operations: ['93/31=3'] Exploring Operation: 62-53=9, Resulting Numbers: [3, 9] Generated Node #0,4,0: 38:[3, 9] Operation: 62-53=9 Exploring Operation: 53+3=56, Resulting Numbers: [62, 56] Generated Node #0,4,1: 38:[62, 56] Operation: 53+3=56 Exploring Operation: 62+3=65, Resulting Numbers: [53, 65] Generated Node #0,4,2: 38:[53, 65] Operation: 62+3=65 Exploring Operation: 62-3=59, Resulting Numbers: [53, 59] Generated Node #0,4,3: 38:[53, 59] Operation: 62-3=59 Exploring Operation: 53-3=50, Resulting Numbers: [62, 50] Generated Node #0,4,4: 38:[62, 50] Operation: 53-3=50 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 38:[3, 9], Operations: ['93/31=3', '62-53=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,38 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 38:[53, 59], Operations: ['93/31=3', '62-3=59'] Exploring Operation: 53+59=112, Resulting Numbers: [112] 112,38 unequal: No Solution Exploring Operation: 53*59=3127, Resulting Numbers: [3127] 3127,38 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 38:[62, 50], Operations: ['93/31=3', '53-3=50'] Exploring Operation: 62+50=112, Resulting Numbers: [112] 112,38 unequal: No Solution Exploring Operation: 62*50=3100, Resulting Numbers: [3100] 3100,38 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 38:[62, 56], Operations: ['93/31=3', '53+3=56'] Exploring Operation: 62+56=118, Resulting Numbers: [118] 118,38 unequal: No Solution Exploring Operation: 62-56=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 62*56=3472, Resulting Numbers: [3472] 3472,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 38:[53, 65], Operations: ['93/31=3', '62+3=65'] Exploring Operation: 53*65=3445, Resulting Numbers: [3445] 3445,38 unequal: No Solution Exploring Operation: 53+65=118, Resulting Numbers: [118] 118,38 unequal: No Solution Exploring Operation: 65-53=12, Resulting Numbers: [12] 12,38 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: 38:[62, 53, 62], Operations: ['93-31=62'] Exploring Operation: 62-53=9, Resulting Numbers: [62, 9] Generated Node #0,0,0: 38:[62, 9] Operation: 62-53=9 Exploring Operation: 62-53=9, Resulting Numbers: [62, 9] Generated Node #0,0,1: 38:[62, 9] Operation: 62-53=9 Exploring Operation: 62-62=0, Resulting Numbers: [53, 0] Generated Node #0,0,2: 38:[53, 0] Operation: 62-62=0 Exploring Operation: 62/62=1, Resulting Numbers: [53, 1] Generated Node #0,0,3: 38:[53, 1] Operation: 62/62=1 Exploring Operation: 62+53=115, Resulting Numbers: [62, 115] Generated Node #0,0,4: 38:[62, 115] Operation: 62+53=115 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 38:[53, 1], Operations: ['93-31=62', '62/62=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,38 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[53, 0], Operations: ['93-31=62', '62-62=0'] Exploring Operation: 53+0=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 53*0=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 53-0=53, Resulting Numbers: [53] 53,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[62, 9], Operations: ['93-31=62', '62-53=9'] Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,38 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[62, 9], Operations: ['93-31=62', '62-53=9'] Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,38 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 38:[62, 115], Operations: ['93-31=62', '62+53=115'] Exploring Operation: 62*115=7130, Resulting Numbers: [7130] 7130,38 unequal: No Solution Exploring Operation: 115-62=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 62+115=177, Resulting Numbers: [177] 177,38 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: 38:[31, 93, 9], Operations: ['62-53=9'] Exploring Operation: 93/31=3, Resulting Numbers: [9, 3] Generated Node #0,2,0: 38:[9, 3] Operation: 93/31=3 Exploring Operation: 31-9=22, Resulting Numbers: [93, 22] Generated Node #0,2,1: 38:[93, 22] Operation: 31-9=22 Exploring Operation: 93-9=84, Resulting Numbers: [31, 84] Generated Node #0,2,2: 38:[31, 84] Operation: 93-9=84 Exploring Operation: 31+9=40, Resulting Numbers: [93, 40] Generated Node #0,2,3: 38:[93, 40] Operation: 31+9=40 Exploring Operation: 93-31=62, Resulting Numbers: [9, 62] Generated Node #0,2,4: 38:[9, 62] Operation: 93-31=62 Moving to Node #0,3,3 Current State: 38:[40, 2], Operations: ['93-53=40', '62/31=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 40*2=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[31, 62, 93, 53], Operations: [] Exploring Operation: 93-53=40, Resulting Numbers: [31, 62, 40] Generated Node #0,3: 38:[31, 62, 40] Operation: 93-53=40 Moving to Node #0,3 Current State: 38:[31, 62, 40], Operations: ['93-53=40'] Exploring Operation: 62/31=2, Resulting Numbers: [40, 2] Generated Node #0,3,3: 38:[40, 2] Operation: 62/31=2 Moving to Node #0,3,3 Current State: 38:[40, 2], Operations: ['93-53=40', '62/31=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.925347
hs_5
mult_heuristic
[ 98, 43, 47, 63 ]
91
[ "98*43=4214", "63+4214=4277", "4277/47=91" ]
Current State: 91:[98, 43, 47, 63], Operations: [] Exploring Operation: 98*43=4214, Resulting Numbers: [47, 63, 4214] Generated Node #2: [47, 63, 4214] from Operation: 98*43=4214 Current State: 91:[47, 63, 4214], Operations: ['98*43=4214'] Exploring Operation: 63+4214=4277, Resulting Numbers: [47, 4277] Generated Node #3: [47, 4277] from Operation: 63+4214=4277 Current State: 91:[47, 4277], Operations: ['98*43=4214', '63+4214=4277'] Exploring Operation: 4277/47=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[98, 43, 47, 63], Operations: [] Exploring Operation: 43+47=90, Resulting Numbers: [98, 63, 90] Generated Node #0,0: 91:[98, 63, 90] Operation: 43+47=90 Exploring Operation: 47-43=4, Resulting Numbers: [98, 63, 4] Generated Node #0,1: 91:[98, 63, 4] Operation: 47-43=4 Exploring Operation: 63-43=20, Resulting Numbers: [98, 47, 20] Generated Node #0,2: 91:[98, 47, 20] Operation: 63-43=20 Exploring Operation: 63-47=16, Resulting Numbers: [98, 43, 16] Generated Node #0,3: 91:[98, 43, 16] Operation: 63-47=16 Moving to Node #0,0 Current State: 91:[98, 63, 90], Operations: ['43+47=90'] Exploring Operation: 63+90=153, Resulting Numbers: [98, 153] Generated Node #0,0,0: 91:[98, 153] Operation: 63+90=153 Exploring Operation: 98-90=8, Resulting Numbers: [63, 8] Generated Node #0,0,1: 91:[63, 8] Operation: 98-90=8 Exploring Operation: 98-63=35, Resulting Numbers: [90, 35] Generated Node #0,0,2: 91:[90, 35] Operation: 98-63=35 Exploring Operation: 90-63=27, Resulting Numbers: [98, 27] Generated Node #0,0,3: 91:[98, 27] Operation: 90-63=27 Moving to Node #0,1 Current State: 91:[98, 63, 4], Operations: ['47-43=4'] Exploring Operation: 98+4=102, Resulting Numbers: [63, 102] Generated Node #0,1,0: 91:[63, 102] Operation: 98+4=102 Exploring Operation: 63+4=67, Resulting Numbers: [98, 67] Generated Node #0,1,1: 91:[98, 67] Operation: 63+4=67 Exploring Operation: 98-4=94, Resulting Numbers: [63, 94] Generated Node #0,1,2: 91:[63, 94] Operation: 98-4=94 Exploring Operation: 98-63=35, Resulting Numbers: [4, 35] Generated Node #0,1,3: 91:[4, 35] Operation: 98-63=35 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[4, 35], Operations: ['47-43=4', '98-63=35'] Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,91 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[98, 67], Operations: ['47-43=4', '63+4=67'] Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,91 unequal: No Solution Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[63, 94], Operations: ['47-43=4', '98-4=94'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,91 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,91 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[63, 102], Operations: ['47-43=4', '98+4=102'] Exploring Operation: 63*102=6426, Resulting Numbers: [6426] 6426,91 unequal: No Solution Exploring Operation: 63+102=165, Resulting Numbers: [165] 165,91 unequal: No Solution Exploring Operation: 102-63=39, Resulting Numbers: [39] 39,91 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: 91:[98, 43, 16], Operations: ['63-47=16'] Exploring Operation: 98-16=82, Resulting Numbers: [43, 82] Generated Node #0,3,0: 91:[43, 82] Operation: 98-16=82 Exploring Operation: 98-43=55, Resulting Numbers: [16, 55] Generated Node #0,3,1: 91:[16, 55] Operation: 98-43=55 Exploring Operation: 43-16=27, Resulting Numbers: [98, 27] Generated Node #0,3,2: 91:[98, 27] Operation: 43-16=27 Exploring Operation: 43+16=59, Resulting Numbers: [98, 59] Generated Node #0,3,3: 91:[98, 59] Operation: 43+16=59 Moving to Node #0,2 Current State: 91:[98, 47, 20], Operations: ['63-43=20'] Exploring Operation: 47-20=27, Resulting Numbers: [98, 27] Generated Node #0,2,0: 91:[98, 27] Operation: 47-20=27 Exploring Operation: 47+20=67, Resulting Numbers: [98, 67] Generated Node #0,2,1: 91:[98, 67] Operation: 47+20=67 Exploring Operation: 98-47=51, Resulting Numbers: [20, 51] Generated Node #0,2,2: 91:[20, 51] Operation: 98-47=51 Exploring Operation: 98-20=78, Resulting Numbers: [47, 78] Generated Node #0,2,3: 91:[47, 78] Operation: 98-20=78 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[98, 27], Operations: ['63-43=20', '47-20=27'] Exploring Operation: 98-27=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 98*27=2646, Resulting Numbers: [2646] 2646,91 unequal: No Solution Exploring Operation: 98+27=125, Resulting Numbers: [125] 125,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[98, 67], Operations: ['63-43=20', '47+20=67'] Exploring Operation: 98*67=6566, Resulting Numbers: [6566] 6566,91 unequal: No Solution Exploring Operation: 98+67=165, Resulting Numbers: [165] 165,91 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[20, 51], Operations: ['63-43=20', '98-47=51'] Exploring Operation: 20*51=1020, Resulting Numbers: [1020] 1020,91 unequal: No Solution Exploring Operation: 20+51=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,91 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 #0,2,3 Current State: 91:[47, 78], Operations: ['63-43=20', '98-20=78'] Exploring Operation: 47+78=125, Resulting Numbers: [125] 125,91 unequal: No Solution Exploring Operation: 47*78=3666, Resulting Numbers: [3666] 3666,91 unequal: No Solution Exploring Operation: 78-47=31, Resulting Numbers: [31] 31,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 91:[98, 27], Operations: ['43+47=90', '90-63=27'] Exploring Operation: 98*27=2646, Resulting Numbers: [2646] 2646,91 unequal: No Solution Exploring Operation: 98-27=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 98+27=125, Resulting Numbers: [125] 125,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[98, 27], Operations: ['63-47=16', '43-16=27'] Exploring Operation: 98-27=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 98+27=125, Resulting Numbers: [125] 125,91 unequal: No Solution Exploring Operation: 98*27=2646, Resulting Numbers: [2646] 2646,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[90, 35], Operations: ['43+47=90', '98-63=35'] Exploring Operation: 90+35=125, Resulting Numbers: [125] 125,91 unequal: No Solution Exploring Operation: 90*35=3150, Resulting Numbers: [3150] 3150,91 unequal: No Solution Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[63, 8], Operations: ['43+47=90', '98-90=8'] Exploring Operation: 63*8=504, Resulting Numbers: [504] 504,91 unequal: No Solution Exploring Operation: 63+8=71, Resulting Numbers: [71] 71,91 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[43, 82], Operations: ['63-47=16', '98-16=82'] Exploring Operation: 43+82=125, Resulting Numbers: [125] 125,91 unequal: No Solution Exploring Operation: 43*82=3526, Resulting Numbers: [3526] 3526,91 unequal: No Solution Exploring Operation: 82-43=39, Resulting Numbers: [39] 39,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[98, 59], Operations: ['63-47=16', '43+16=59'] Exploring Operation: 98-59=39, Resulting Numbers: [39] 39,91 unequal: No Solution Exploring Operation: 98*59=5782, Resulting Numbers: [5782] 5782,91 unequal: No Solution Exploring Operation: 98+59=157, Resulting Numbers: [157] 157,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[16, 55], Operations: ['63-47=16', '98-43=55'] Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,91 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,91 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[98, 153], Operations: ['43+47=90', '63+90=153'] Exploring Operation: 153-98=55, Resulting Numbers: [55] 55,91 unequal: No Solution Exploring Operation: 98+153=251, Resulting Numbers: [251] 251,91 unequal: No Solution Exploring Operation: 98*153=14994, Resulting Numbers: [14994] 14994,91 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 5, 78, 74, 41 ]
87
[ "74-41=33", "5*33=165", "165-78=87" ]
Current State: 87:[5, 78, 74, 41], Operations: [] Exploring Operation: 74-41=33, Resulting Numbers: [5, 78, 33] Generated Node #2: [5, 78, 33] from Operation: 74-41=33 Current State: 87:[5, 78, 33], Operations: ['74-41=33'] Exploring Operation: 5*33=165, Resulting Numbers: [78, 165] Generated Node #3: [78, 165] from Operation: 5*33=165 Current State: 87:[78, 165], Operations: ['74-41=33', '5*33=165'] Exploring Operation: 165-78=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[5, 78, 74, 41], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [5, 41, 4] Generated Node #0,0: 87:[5, 41, 4] Operation: 78-74=4 Exploring Operation: 74-41=33, Resulting Numbers: [5, 78, 33] Generated Node #0,1: 87:[5, 78, 33] Operation: 74-41=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[5, 41, 4], Operations: ['78-74=4'] Exploring Operation: 41-4=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 87:[5, 37] Operation: 41-4=37 Exploring Operation: 41-5=36, Resulting Numbers: [4, 36] Generated Node #0,0,1: 87:[4, 36] Operation: 41-5=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[4, 36], Operations: ['78-74=4', '41-5=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[5, 37], Operations: ['78-74=4', '41-4=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[5, 78, 33], Operations: ['74-41=33'] Exploring Operation: 33-5=28, Resulting Numbers: [78, 28] Generated Node #0,1,0: 87:[78, 28] Operation: 33-5=28 Exploring Operation: 5+78=83, Resulting Numbers: [33, 83] Generated Node #0,1,1: 87:[33, 83] Operation: 5+78=83 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[33, 83], Operations: ['74-41=33', '5+78=83'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,87 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[78, 28], Operations: ['74-41=33', '33-5=28'] Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,87 unequal: No Solution Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 30, 39, 92, 6 ]
38
[ "39-30=9", "6*9=54", "92-54=38" ]
Current State: 38:[30, 39, 92, 6], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [92, 6, 9] Generated Node #2: [92, 6, 9] from Operation: 39-30=9 Current State: 38:[92, 6, 9], Operations: ['39-30=9'] Exploring Operation: 6*9=54, Resulting Numbers: [92, 54] Generated Node #3: [92, 54] from Operation: 6*9=54 Current State: 38:[92, 54], Operations: ['39-30=9', '6*9=54'] Exploring Operation: 92-54=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[30, 39, 92, 6], Operations: [] Exploring Operation: 30+6=36, Resulting Numbers: [39, 92, 36] Generated Node #0,0: 38:[39, 92, 36] Operation: 30+6=36 Exploring Operation: 92-30=62, Resulting Numbers: [39, 6, 62] Generated Node #0,1: 38:[39, 6, 62] Operation: 92-30=62 Exploring Operation: 30/6=5, Resulting Numbers: [39, 92, 5] Generated Node #0,2: 38:[39, 92, 5] Operation: 30/6=5 Exploring Operation: 92-39=53, Resulting Numbers: [30, 6, 53] Generated Node #0,3: 38:[30, 6, 53] Operation: 92-39=53 Exploring Operation: 92-6=86, Resulting Numbers: [30, 39, 86] Generated Node #0,4: 38:[30, 39, 86] Operation: 92-6=86 Moving to Node #0,3 Current State: 38:[30, 6, 53], Operations: ['92-39=53'] Exploring Operation: 53-30=23, Resulting Numbers: [6, 23] Generated Node #0,3,0: 38:[6, 23] Operation: 53-30=23 Exploring Operation: 53-6=47, Resulting Numbers: [30, 47] Generated Node #0,3,1: 38:[30, 47] Operation: 53-6=47 Exploring Operation: 30/6=5, Resulting Numbers: [53, 5] Generated Node #0,3,2: 38:[53, 5] Operation: 30/6=5 Exploring Operation: 30+6=36, Resulting Numbers: [53, 36] Generated Node #0,3,3: 38:[53, 36] Operation: 30+6=36 Exploring Operation: 30-6=24, Resulting Numbers: [53, 24] Generated Node #0,3,4: 38:[53, 24] Operation: 30-6=24 Moving to Node #0,1 Current State: 38:[39, 6, 62], Operations: ['92-30=62'] Exploring Operation: 39+6=45, Resulting Numbers: [62, 45] Generated Node #0,1,0: 38:[62, 45] Operation: 39+6=45 Exploring Operation: 39-6=33, Resulting Numbers: [62, 33] Generated Node #0,1,1: 38:[62, 33] Operation: 39-6=33 Exploring Operation: 6+62=68, Resulting Numbers: [39, 68] Generated Node #0,1,2: 38:[39, 68] Operation: 6+62=68 Exploring Operation: 62-6=56, Resulting Numbers: [39, 56] Generated Node #0,1,3: 38:[39, 56] Operation: 62-6=56 Exploring Operation: 62-39=23, Resulting Numbers: [6, 23] Generated Node #0,1,4: 38:[6, 23] Operation: 62-39=23 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 38:[6, 23], Operations: ['92-30=62', '62-39=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[39, 56], Operations: ['92-30=62', '62-6=56'] Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,38 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[62, 33], Operations: ['92-30=62', '39-6=33'] Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,38 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[62, 45], Operations: ['92-30=62', '39+6=45'] Exploring Operation: 62+45=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 62*45=2790, Resulting Numbers: [2790] 2790,38 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 38:[39, 68], Operations: ['92-30=62', '6+62=68'] Exploring Operation: 39+68=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 39*68=2652, Resulting Numbers: [2652] 2652,38 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: 38:[39, 92, 36], Operations: ['30+6=36'] Exploring Operation: 39+36=75, Resulting Numbers: [92, 75] Generated Node #0,0,0: 38:[92, 75] Operation: 39+36=75 Exploring Operation: 92-39=53, Resulting Numbers: [36, 53] Generated Node #0,0,1: 38:[36, 53] Operation: 92-39=53 Exploring Operation: 92+36=128, Resulting Numbers: [39, 128] Generated Node #0,0,2: 38:[39, 128] Operation: 92+36=128 Exploring Operation: 92-36=56, Resulting Numbers: [39, 56] Generated Node #0,0,3: 38:[39, 56] Operation: 92-36=56 Exploring Operation: 39-36=3, Resulting Numbers: [92, 3] Generated Node #0,0,4: 38:[92, 3] Operation: 39-36=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[36, 53], Operations: ['30+6=36', '92-39=53'] Exploring Operation: 36*53=1908, Resulting Numbers: [1908] 1908,38 unequal: No Solution Exploring Operation: 36+53=89, Resulting Numbers: [89] 89,38 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 38:[39, 56], Operations: ['30+6=36', '92-36=56'] Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,38 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 38:[92, 3], Operations: ['30+6=36', '39-36=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,38 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,38 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[92, 75], Operations: ['30+6=36', '39+36=75'] Exploring Operation: 92*75=6900, Resulting Numbers: [6900] 6900,38 unequal: No Solution Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 92+75=167, Resulting Numbers: [167] 167,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[39, 128], Operations: ['30+6=36', '92+36=128'] Exploring Operation: 128-39=89, Resulting Numbers: [89] 89,38 unequal: No Solution Exploring Operation: 39+128=167, Resulting Numbers: [167] 167,38 unequal: No Solution Exploring Operation: 39*128=4992, Resulting Numbers: [4992] 4992,38 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: 38:[30, 39, 86], Operations: ['92-6=86'] Exploring Operation: 39-30=9, Resulting Numbers: [86, 9] Generated Node #0,4,0: 38:[86, 9] Operation: 39-30=9 Exploring Operation: 86-30=56, Resulting Numbers: [39, 56] Generated Node #0,4,1: 38:[39, 56] Operation: 86-30=56 Exploring Operation: 30+86=116, Resulting Numbers: [39, 116] Generated Node #0,4,2: 38:[39, 116] Operation: 30+86=116 Exploring Operation: 86-39=47, Resulting Numbers: [30, 47] Generated Node #0,4,3: 38:[30, 47] Operation: 86-39=47 Exploring Operation: 30+39=69, Resulting Numbers: [86, 69] Generated Node #0,4,4: 38:[86, 69] Operation: 30+39=69 Moving to Node #0,2 Current State: 38:[39, 92, 5], Operations: ['30/6=5'] Exploring Operation: 92+5=97, Resulting Numbers: [39, 97] Generated Node #0,2,0: 38:[39, 97] Operation: 92+5=97 Exploring Operation: 39+5=44, Resulting Numbers: [92, 44] Generated Node #0,2,1: 38:[92, 44] Operation: 39+5=44 Exploring Operation: 92-39=53, Resulting Numbers: [5, 53] Generated Node #0,2,2: 38:[5, 53] Operation: 92-39=53 Exploring Operation: 92-5=87, Resulting Numbers: [39, 87] Generated Node #0,2,3: 38:[39, 87] Operation: 92-5=87 Exploring Operation: 39-5=34, Resulting Numbers: [92, 34] Generated Node #0,2,4: 38:[92, 34] Operation: 39-5=34 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[5, 53], Operations: ['30/6=5', '92-39=53'] Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,38 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[39, 87], Operations: ['30/6=5', '92-5=87'] Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,38 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 38:[92, 34], Operations: ['30/6=5', '39-5=34'] Exploring Operation: 92*34=3128, Resulting Numbers: [3128] 3128,38 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[39, 97], Operations: ['30/6=5', '92+5=97'] Exploring Operation: 39+97=136, Resulting Numbers: [136] 136,38 unequal: No Solution Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,38 unequal: No Solution Exploring Operation: 39*97=3783, Resulting Numbers: [3783] 3783,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[92, 44], Operations: ['30/6=5', '39+5=44'] Exploring Operation: 92-44=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 92+44=136, Resulting Numbers: [136] 136,38 unequal: No Solution Exploring Operation: 92*44=4048, Resulting Numbers: [4048] 4048,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 38:[6, 23], Operations: ['92-39=53', '53-30=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,38 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[53, 36], Operations: ['92-39=53', '30+6=36'] Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,38 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,38 unequal: No Solution Moving to Node #0,4,3 Current State: 38:[30, 47], Operations: ['92-6=86', '86-39=47'] Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,38 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[30, 47], Operations: ['92-39=53', '53-6=47'] Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,38 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[53, 5], Operations: ['92-39=53', '30/6=5'] Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,38 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,38 unequal: No Solution Moving to Node #0,4,1 Current State: 38:[39, 56], Operations: ['92-6=86', '86-30=56'] Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,38 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,38 unequal: No Solution Moving to Node #0,3,4 Current State: 38:[53, 24], Operations: ['92-39=53', '30-6=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,38 unequal: No Solution Moving to Node #0,4,0 Current State: 38:[86, 9], Operations: ['92-6=86', '39-30=9'] Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,38 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,38 unequal: No Solution Moving to Node #0,4,2 Current State: 38:[39, 116], Operations: ['92-6=86', '30+86=116'] Exploring Operation: 39*116=4524, Resulting Numbers: [4524] 4524,38 unequal: No Solution Exploring Operation: 39+116=155, Resulting Numbers: [155] 155,38 unequal: No Solution Exploring Operation: 116-39=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,4,4 Current State: 38:[86, 69], Operations: ['92-6=86', '30+39=69'] Exploring Operation: 86-69=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 86+69=155, Resulting Numbers: [155] 155,38 unequal: No Solution Exploring Operation: 86*69=5934, Resulting Numbers: [5934] 5934,38 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 14, 11, 43, 7 ]
52
[ "14/7=2", "11+43=54", "54-2=52" ]
Current State: 52:[14, 11, 43, 7], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [11, 43, 2] Generated Node #2: [11, 43, 2] from Operation: 14/7=2 Current State: 52:[11, 43, 2], Operations: ['14/7=2'] Exploring Operation: 11+43=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 11+43=54 Current State: 52:[2, 54], Operations: ['14/7=2', '11+43=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[14, 11, 43, 7], Operations: [] Exploring Operation: 43+7=50, Resulting Numbers: [14, 11, 50] Generated Node #0,0: 52:[14, 11, 50] Operation: 43+7=50 Exploring Operation: 14+43=57, Resulting Numbers: [11, 7, 57] Generated Node #0,1: 52:[11, 7, 57] Operation: 14+43=57 Exploring Operation: 43-14=29, Resulting Numbers: [11, 7, 29] Generated Node #0,2: 52:[11, 7, 29] Operation: 43-14=29 Exploring Operation: 11+43=54, Resulting Numbers: [14, 7, 54] Generated Node #0,3: 52:[14, 7, 54] Operation: 11+43=54 Exploring Operation: 43-11=32, Resulting Numbers: [14, 7, 32] Generated Node #0,4: 52:[14, 7, 32] Operation: 43-11=32 Moving to Node #0,0 Current State: 52:[14, 11, 50], Operations: ['43+7=50'] Exploring Operation: 14+11=25, Resulting Numbers: [50, 25] Generated Node #0,0,0: 52:[50, 25] Operation: 14+11=25 Exploring Operation: 14+50=64, Resulting Numbers: [11, 64] Generated Node #0,0,1: 52:[11, 64] Operation: 14+50=64 Exploring Operation: 14-11=3, Resulting Numbers: [50, 3] Generated Node #0,0,2: 52:[50, 3] Operation: 14-11=3 Exploring Operation: 50-14=36, Resulting Numbers: [11, 36] Generated Node #0,0,3: 52:[11, 36] Operation: 50-14=36 Exploring Operation: 11+50=61, Resulting Numbers: [14, 61] Generated Node #0,0,4: 52:[14, 61] Operation: 11+50=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[50, 25], Operations: ['43+7=50', '14+11=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,52 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[50, 3], Operations: ['43+7=50', '14-11=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,52 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 52:[14, 61], Operations: ['43+7=50', '11+50=61'] Exploring Operation: 14*61=854, Resulting Numbers: [854] 854,52 unequal: No Solution Exploring Operation: 14+61=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 52:[11, 36], Operations: ['43+7=50', '50-14=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,52 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[11, 64], Operations: ['43+7=50', '14+50=64'] Exploring Operation: 11+64=75, Resulting Numbers: [75] 75,52 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 11*64=704, Resulting Numbers: [704] 704,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 52:[14, 7, 54], Operations: ['11+43=54'] Exploring Operation: 14/7=2, Resulting Numbers: [54, 2] Generated Node #0,3,0: 52:[54, 2] Operation: 14/7=2 Exploring Operation: 7+54=61, Resulting Numbers: [14, 61] Generated Node #0,3,1: 52:[14, 61] Operation: 7+54=61 Exploring Operation: 54-7=47, Resulting Numbers: [14, 47] Generated Node #0,3,2: 52:[14, 47] Operation: 54-7=47 Exploring Operation: 14+7=21, Resulting Numbers: [54, 21] Generated Node #0,3,3: 52:[54, 21] Operation: 14+7=21 Exploring Operation: 14-7=7, Resulting Numbers: [54, 7] Generated Node #0,3,4: 52:[54, 7] Operation: 14-7=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[54, 2], Operations: ['11+43=54', '14/7=2'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,52 unequal: No Solution Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,52 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[14, 11, 43, 7], Operations: [] Exploring Operation: 11+43=54, Resulting Numbers: [14, 7, 54] Generated Node #0,3: 52:[14, 7, 54] Operation: 11+43=54 Moving to Node #0,3 Current State: 52:[14, 7, 54], Operations: ['11+43=54'] Exploring Operation: 14/7=2, Resulting Numbers: [54, 2] Generated Node #0,3,0: 52:[54, 2] Operation: 14/7=2 Moving to Node #0,3,0 Current State: 52:[54, 2], Operations: ['11+43=54', '14/7=2'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 20, 22, 23, 56 ]
66
[ "22-20=2", "56-23=33", "2*33=66" ]
Current State: 66:[20, 22, 23, 56], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [23, 56, 2] Generated Node #2: [23, 56, 2] from Operation: 22-20=2 Current State: 66:[23, 56, 2], Operations: ['22-20=2'] Exploring Operation: 56-23=33, Resulting Numbers: [2, 33] Generated Node #3: [2, 33] from Operation: 56-23=33 Current State: 66:[2, 33], Operations: ['22-20=2', '56-23=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[20, 22, 23, 56], Operations: [] Exploring Operation: 56-23=33, Resulting Numbers: [20, 22, 33] Generated Node #0,0: 66:[20, 22, 33] Operation: 56-23=33 Exploring Operation: 22-20=2, Resulting Numbers: [23, 56, 2] Generated Node #0,1: 66:[23, 56, 2] Operation: 22-20=2 Exploring Operation: 56-20=36, Resulting Numbers: [22, 23, 36] Generated Node #0,2: 66:[22, 23, 36] Operation: 56-20=36 Exploring Operation: 56-22=34, Resulting Numbers: [20, 23, 34] Generated Node #0,3: 66:[20, 23, 34] Operation: 56-22=34 Exploring Operation: 23-20=3, Resulting Numbers: [22, 56, 3] Generated Node #0,4: 66:[22, 56, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[20, 22, 33], Operations: ['56-23=33'] Exploring Operation: 22-20=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 66:[33, 2] Operation: 22-20=2 Exploring Operation: 20+22=42, Resulting Numbers: [33, 42] Generated Node #0,0,1: 66:[33, 42] Operation: 20+22=42 Exploring Operation: 33-20=13, Resulting Numbers: [22, 13] Generated Node #0,0,2: 66:[22, 13] Operation: 33-20=13 Exploring Operation: 33-22=11, Resulting Numbers: [20, 11] Generated Node #0,0,3: 66:[20, 11] Operation: 33-22=11 Exploring Operation: 20+33=53, Resulting Numbers: [22, 53] Generated Node #0,0,4: 66:[22, 53] Operation: 20+33=53 Moving to Node #0,0,0 Current State: 66:[33, 2], Operations: ['56-23=33', '22-20=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,66 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[20, 22, 23, 56], Operations: [] Exploring Operation: 56-23=33, Resulting Numbers: [20, 22, 33] Generated Node #0,0: 66:[20, 22, 33] Operation: 56-23=33 Moving to Node #0,0 Current State: 66:[20, 22, 33], Operations: ['56-23=33'] Exploring Operation: 22-20=2, Resulting Numbers: [33, 2] Generated Node #0,0,0: 66:[33, 2] Operation: 22-20=2 Moving to Node #0,0,0 Current State: 66:[33, 2], Operations: ['56-23=33', '22-20=2'] Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 24, 1, 55, 2 ]
85
[ "24+1=25", "55*2=110", "110-25=85" ]
Current State: 85:[24, 1, 55, 2], Operations: [] Exploring Operation: 24+1=25, Resulting Numbers: [55, 2, 25] Generated Node #2: [55, 2, 25] from Operation: 24+1=25 Current State: 85:[55, 2, 25], Operations: ['24+1=25'] Exploring Operation: 55*2=110, Resulting Numbers: [25, 110] Generated Node #3: [25, 110] from Operation: 55*2=110 Current State: 85:[25, 110], Operations: ['24+1=25', '55*2=110'] Exploring Operation: 110-25=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[24, 1, 55, 2], Operations: [] Exploring Operation: 24-2=22, Resulting Numbers: [1, 55, 22] Generated Node #0,0: 85:[1, 55, 22] Operation: 24-2=22 Exploring Operation: 24+55=79, Resulting Numbers: [1, 2, 79] Generated Node #0,1: 85:[1, 2, 79] Operation: 24+55=79 Exploring Operation: 55*2=110, Resulting Numbers: [24, 1, 110] Generated Node #0,2: 85:[24, 1, 110] Operation: 55*2=110 Exploring Operation: 24-1=23, Resulting Numbers: [55, 2, 23] Generated Node #0,3: 85:[55, 2, 23] Operation: 24-1=23 Exploring Operation: 55-24=31, Resulting Numbers: [1, 2, 31] Generated Node #0,4: 85:[1, 2, 31] Operation: 55-24=31 Moving to Node #0,1 Current State: 85:[1, 2, 79], Operations: ['24+55=79'] Exploring Operation: 1+2=3, Resulting Numbers: [79, 3] Generated Node #0,1,0: 85:[79, 3] Operation: 1+2=3 Exploring Operation: 2/1=2, Resulting Numbers: [79, 2] Generated Node #0,1,1: 85:[79, 2] Operation: 2/1=2 Exploring Operation: 1*2=2, Resulting Numbers: [79, 2] Generated Node #0,1,2: 85:[79, 2] Operation: 1*2=2 Exploring Operation: 1+79=80, Resulting Numbers: [2, 80] Generated Node #0,1,3: 85:[2, 80] Operation: 1+79=80 Exploring Operation: 2+79=81, Resulting Numbers: [1, 81] Generated Node #0,1,4: 85:[1, 81] Operation: 2+79=81 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[79, 3], Operations: ['24+55=79', '1+2=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 79*3=237, Resulting Numbers: [237] 237,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[2, 80], Operations: ['24+55=79', '1+79=80'] Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,85 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 85:[1, 81], Operations: ['24+55=79', '2+79=81'] Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,85 unequal: No Solution Exploring Operation: 1+81=82, Resulting Numbers: [82] 82,85 unequal: No Solution Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[79, 2], Operations: ['24+55=79', '2/1=2'] Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,85 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[79, 2], Operations: ['24+55=79', '1*2=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,85 unequal: No Solution Exploring Operation: 79*2=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 79+2=81, Resulting Numbers: [81] 81,85 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: 85:[1, 2, 31], Operations: ['55-24=31'] Exploring Operation: 31-1=30, Resulting Numbers: [2, 30] Generated Node #0,4,0: 85:[2, 30] Operation: 31-1=30 Exploring Operation: 31-2=29, Resulting Numbers: [1, 29] Generated Node #0,4,1: 85:[1, 29] Operation: 31-2=29 Exploring Operation: 2/1=2, Resulting Numbers: [31, 2] Generated Node #0,4,2: 85:[31, 2] Operation: 2/1=2 Exploring Operation: 1*2=2, Resulting Numbers: [31, 2] Generated Node #0,4,3: 85:[31, 2] Operation: 1*2=2 Exploring Operation: 1+2=3, Resulting Numbers: [31, 3] Generated Node #0,4,4: 85:[31, 3] Operation: 1+2=3 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 85:[2, 30], Operations: ['55-24=31', '31-1=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,85 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 85:[1, 29], Operations: ['55-24=31', '31-2=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,85 unequal: No Solution No 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: 85:[31, 3], Operations: ['55-24=31', '1+2=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,85 unequal: No Solution Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 85:[31, 2], Operations: ['55-24=31', '2/1=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 85:[31, 2], Operations: ['55-24=31', '1*2=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,85 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,85 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: 85:[24, 1, 110], Operations: ['55*2=110'] Exploring Operation: 24-1=23, Resulting Numbers: [110, 23] Generated Node #0,2,0: 85:[110, 23] Operation: 24-1=23 Exploring Operation: 110-1=109, Resulting Numbers: [24, 109] Generated Node #0,2,1: 85:[24, 109] Operation: 110-1=109 Exploring Operation: 24*1=24, Resulting Numbers: [110, 24] Generated Node #0,2,2: 85:[110, 24] Operation: 24*1=24 Exploring Operation: 110-24=86, Resulting Numbers: [1, 86] Generated Node #0,2,3: 85:[1, 86] Operation: 110-24=86 Exploring Operation: 24/1=24, Resulting Numbers: [110, 24] Generated Node #0,2,4: 85:[110, 24] Operation: 24/1=24 Moving to Node #0,0 Current State: 85:[1, 55, 22], Operations: ['24-2=22'] Exploring Operation: 55+22=77, Resulting Numbers: [1, 77] Generated Node #0,0,0: 85:[1, 77] Operation: 55+22=77 Exploring Operation: 22-1=21, Resulting Numbers: [55, 21] Generated Node #0,0,1: 85:[55, 21] Operation: 22-1=21 Exploring Operation: 1*55=55, Resulting Numbers: [22, 55] Generated Node #0,0,2: 85:[22, 55] Operation: 1*55=55 Exploring Operation: 55-22=33, Resulting Numbers: [1, 33] Generated Node #0,0,3: 85:[1, 33] Operation: 55-22=33 Exploring Operation: 1+55=56, Resulting Numbers: [22, 56] Generated Node #0,0,4: 85:[22, 56] Operation: 1+55=56 Moving to Node #0,3 Current State: 85:[55, 2, 23], Operations: ['24-1=23'] Exploring Operation: 55+23=78, Resulting Numbers: [2, 78] Generated Node #0,3,0: 85:[2, 78] Operation: 55+23=78 Exploring Operation: 23-2=21, Resulting Numbers: [55, 21] Generated Node #0,3,1: 85:[55, 21] Operation: 23-2=21 Exploring Operation: 55-23=32, Resulting Numbers: [2, 32] Generated Node #0,3,2: 85:[2, 32] Operation: 55-23=32 Exploring Operation: 55*2=110, Resulting Numbers: [23, 110] Generated Node #0,3,3: 85:[23, 110] Operation: 55*2=110 Exploring Operation: 55+2=57, Resulting Numbers: [23, 57] Generated Node #0,3,4: 85:[23, 57] Operation: 55+2=57 Moving to Node #0,2,3 Current State: 85:[1, 86], Operations: ['55*2=110', '110-24=86'] Exploring Operation: 1*86=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[24, 1, 55, 2], Operations: [] Exploring Operation: 55*2=110, Resulting Numbers: [24, 1, 110] Generated Node #0,2: 85:[24, 1, 110] Operation: 55*2=110 Moving to Node #0,2 Current State: 85:[24, 1, 110], Operations: ['55*2=110'] Exploring Operation: 110-24=86, Resulting Numbers: [1, 86] Generated Node #0,2,3: 85:[1, 86] Operation: 110-24=86 Moving to Node #0,2,3 Current State: 85:[1, 86], Operations: ['55*2=110', '110-24=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.938368
hs_5
mult_heuristic
[ 4, 98, 88, 79 ]
73
[ "98-4=94", "88+79=167", "167-94=73" ]
Current State: 73:[4, 98, 88, 79], Operations: [] Exploring Operation: 98-4=94, Resulting Numbers: [88, 79, 94] Generated Node #2: [88, 79, 94] from Operation: 98-4=94 Current State: 73:[88, 79, 94], Operations: ['98-4=94'] Exploring Operation: 88+79=167, Resulting Numbers: [94, 167] Generated Node #3: [94, 167] from Operation: 88+79=167 Current State: 73:[94, 167], Operations: ['98-4=94', '88+79=167'] Exploring Operation: 167-94=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[4, 98, 88, 79], Operations: [] Exploring Operation: 88-4=84, Resulting Numbers: [98, 79, 84] Generated Node #0,0: 73:[98, 79, 84] Operation: 88-4=84 Exploring Operation: 98-4=94, Resulting Numbers: [88, 79, 94] Generated Node #0,1: 73:[88, 79, 94] Operation: 98-4=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[98, 79, 84], Operations: ['88-4=84'] Exploring Operation: 98-84=14, Resulting Numbers: [79, 14] Generated Node #0,0,0: 73:[79, 14] Operation: 98-84=14 Exploring Operation: 98-79=19, Resulting Numbers: [84, 19] Generated Node #0,0,1: 73:[84, 19] Operation: 98-79=19 Moving to Node #0,0,0 Current State: 73:[79, 14], Operations: ['88-4=84', '98-84=14'] Exploring Operation: 79+14=93, Resulting Numbers: [93] 93,73 unequal: No Solution Exploring Operation: 79-14=65, Resulting Numbers: [65] 65,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[84, 19], Operations: ['88-4=84', '98-79=19'] Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,73 unequal: No Solution Exploring Operation: 84+19=103, Resulting Numbers: [103] 103,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[88, 79, 94], Operations: ['98-4=94'] Exploring Operation: 94-79=15, Resulting Numbers: [88, 15] Generated Node #0,1,0: 73:[88, 15] Operation: 94-79=15 Exploring Operation: 94-88=6, Resulting Numbers: [79, 6] Generated Node #0,1,1: 73:[79, 6] Operation: 94-88=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 73:[88, 15], Operations: ['98-4=94', '94-79=15'] Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[4, 98, 88, 79], Operations: [] Exploring Operation: 98-4=94, Resulting Numbers: [88, 79, 94] Generated Node #0,1: 73:[88, 79, 94] Operation: 98-4=94 Moving to Node #0,1 Current State: 73:[88, 79, 94], Operations: ['98-4=94'] Exploring Operation: 94-79=15, Resulting Numbers: [88, 15] Generated Node #0,1,0: 73:[88, 15] Operation: 94-79=15 Moving to Node #0,1,0 Current State: 73:[88, 15], Operations: ['98-4=94', '94-79=15'] Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 27, 11, 16, 39 ]
96
[ "27+39=66", "66/11=6", "16*6=96" ]
Current State: 96:[27, 11, 16, 39], Operations: [] Exploring Operation: 27+39=66, Resulting Numbers: [11, 16, 66] Generated Node #2: [11, 16, 66] from Operation: 27+39=66 Current State: 96:[11, 16, 66], Operations: ['27+39=66'] Exploring Operation: 66/11=6, Resulting Numbers: [16, 6] Generated Node #3: [16, 6] from Operation: 66/11=6 Current State: 96:[16, 6], Operations: ['27+39=66', '66/11=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[27, 11, 16, 39], Operations: [] Exploring Operation: 11+39=50, Resulting Numbers: [27, 16, 50] Generated Node #0,0: 96:[27, 16, 50] Operation: 11+39=50 Exploring Operation: 39-27=12, Resulting Numbers: [11, 16, 12] Generated Node #0,1: 96:[11, 16, 12] Operation: 39-27=12 Moving to Node #0,1 Current State: 96:[11, 16, 12], Operations: ['39-27=12'] Exploring Operation: 16-11=5, Resulting Numbers: [12, 5] Generated Node #0,1,0: 96:[12, 5] Operation: 16-11=5 Exploring Operation: 11+12=23, Resulting Numbers: [16, 23] Generated Node #0,1,1: 96:[16, 23] Operation: 11+12=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[12, 5], Operations: ['39-27=12', '16-11=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[16, 23], Operations: ['39-27=12', '11+12=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 96:[27, 16, 50], Operations: ['11+39=50'] Exploring Operation: 27-16=11, Resulting Numbers: [50, 11] Generated Node #0,0,0: 96:[50, 11] Operation: 27-16=11 Exploring Operation: 50-27=23, Resulting Numbers: [16, 23] Generated Node #0,0,1: 96:[16, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[16, 23], Operations: ['11+39=50', '50-27=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[50, 11], Operations: ['11+39=50', '27-16=11'] Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 35, 20, 5, 14 ]
85
[ "35-20=15", "5*14=70", "15+70=85" ]
Current State: 85:[35, 20, 5, 14], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [5, 14, 15] Generated Node #2: [5, 14, 15] from Operation: 35-20=15 Current State: 85:[5, 14, 15], Operations: ['35-20=15'] Exploring Operation: 5*14=70, Resulting Numbers: [15, 70] Generated Node #3: [15, 70] from Operation: 5*14=70 Current State: 85:[15, 70], Operations: ['35-20=15', '5*14=70'] Exploring Operation: 15+70=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[35, 20, 5, 14], Operations: [] Exploring Operation: 35-20=15, Resulting Numbers: [5, 14, 15] Generated Node #0,0: 85:[5, 14, 15] Operation: 35-20=15 Exploring Operation: 35-14=21, Resulting Numbers: [20, 5, 21] Generated Node #0,1: 85:[20, 5, 21] Operation: 35-14=21 Exploring Operation: 35-5=30, Resulting Numbers: [20, 14, 30] Generated Node #0,2: 85:[20, 14, 30] Operation: 35-5=30 Exploring Operation: 35/5=7, Resulting Numbers: [20, 14, 7] Generated Node #0,3: 85:[20, 14, 7] Operation: 35/5=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[5, 14, 15], Operations: ['35-20=15'] Exploring Operation: 15-14=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 85:[5, 1] Operation: 15-14=1 Exploring Operation: 15/5=3, Resulting Numbers: [14, 3] Generated Node #0,0,1: 85:[14, 3] Operation: 15/5=3 Exploring Operation: 5+14=19, Resulting Numbers: [15, 19] Generated Node #0,0,2: 85:[15, 19] Operation: 5+14=19 Exploring Operation: 14-5=9, Resulting Numbers: [15, 9] Generated Node #0,0,3: 85:[15, 9] Operation: 14-5=9 Moving to Node #0,0,0 Current State: 85:[5, 1], Operations: ['35-20=15', '15-14=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[15, 19], Operations: ['35-20=15', '5+14=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,85 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[14, 3], Operations: ['35-20=15', '15/5=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[15, 9], Operations: ['35-20=15', '14-5=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[20, 5, 21], Operations: ['35-14=21'] Exploring Operation: 21-5=16, Resulting Numbers: [20, 16] Generated Node #0,1,0: 85:[20, 16] Operation: 21-5=16 Exploring Operation: 21-20=1, Resulting Numbers: [5, 1] Generated Node #0,1,1: 85:[5, 1] Operation: 21-20=1 Exploring Operation: 20-5=15, Resulting Numbers: [21, 15] Generated Node #0,1,2: 85:[21, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [21, 4] Generated Node #0,1,3: 85:[21, 4] Operation: 20/5=4 Moving to Node #0,1,0 Current State: 85:[20, 16], Operations: ['35-14=21', '21-5=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[5, 1], Operations: ['35-14=21', '21-20=1'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[21, 4], Operations: ['35-14=21', '20/5=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,85 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[21, 15], Operations: ['35-14=21', '20-5=15'] Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[20, 14, 7], Operations: ['35/5=7'] Exploring Operation: 14/7=2, Resulting Numbers: [20, 2] Generated Node #0,3,0: 85:[20, 2] Operation: 14/7=2 Exploring Operation: 20-14=6, Resulting Numbers: [7, 6] Generated Node #0,3,1: 85:[7, 6] Operation: 20-14=6 Exploring Operation: 20-7=13, Resulting Numbers: [14, 13] Generated Node #0,3,2: 85:[14, 13] Operation: 20-7=13 Exploring Operation: 14-7=7, Resulting Numbers: [20, 7] Generated Node #0,3,3: 85:[20, 7] Operation: 14-7=7 Moving to Node #0,3,1 Current State: 85:[7, 6], Operations: ['35/5=7', '20-14=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[20, 7], Operations: ['35/5=7', '14-7=7'] Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,85 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[20, 2], Operations: ['35/5=7', '14/7=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[14, 13], Operations: ['35/5=7', '20-7=13'] Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,85 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,85 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[20, 14, 30], Operations: ['35-5=30'] Exploring Operation: 30-14=16, Resulting Numbers: [20, 16] Generated Node #0,2,0: 85:[20, 16] Operation: 30-14=16 Exploring Operation: 20-14=6, Resulting Numbers: [30, 6] Generated Node #0,2,1: 85:[30, 6] Operation: 20-14=6 Exploring Operation: 30-20=10, Resulting Numbers: [14, 10] Generated Node #0,2,2: 85:[14, 10] Operation: 30-20=10 Exploring Operation: 20+14=34, Resulting Numbers: [30, 34] Generated Node #0,2,3: 85:[30, 34] Operation: 20+14=34 Moving to Node #0,2,0 Current State: 85:[20, 16], Operations: ['35-5=30', '30-14=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[14, 10], Operations: ['35-5=30', '30-20=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,85 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[30, 6], Operations: ['35-5=30', '20-14=6'] Exploring Operation: 30*6=180, Resulting Numbers: [180] 180,85 unequal: No Solution Exploring Operation: 30+6=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[30, 34], Operations: ['35-5=30', '20+14=34'] Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 30*34=1020, Resulting Numbers: [1020] 1020,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 79, 72, 63, 90 ]
89
[ "72-63=9", "90/9=10", "79+10=89" ]
Current State: 89:[79, 72, 63, 90], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [79, 90, 9] Generated Node #2: [79, 90, 9] from Operation: 72-63=9 Current State: 89:[79, 90, 9], Operations: ['72-63=9'] Exploring Operation: 90/9=10, Resulting Numbers: [79, 10] Generated Node #3: [79, 10] from Operation: 90/9=10 Current State: 89:[79, 10], Operations: ['72-63=9', '90/9=10'] Exploring Operation: 79+10=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[79, 72, 63, 90], Operations: [] Exploring Operation: 72+63=135, Resulting Numbers: [79, 90, 135] Generated Node #0,0: 89:[79, 90, 135] Operation: 72+63=135 Exploring Operation: 90-63=27, Resulting Numbers: [79, 72, 27] Generated Node #0,1: 89:[79, 72, 27] Operation: 90-63=27 Exploring Operation: 79+72=151, Resulting Numbers: [63, 90, 151] Generated Node #0,2: 89:[63, 90, 151] Operation: 79+72=151 Exploring Operation: 79+63=142, Resulting Numbers: [72, 90, 142] Generated Node #0,3: 89:[72, 90, 142] Operation: 79+63=142 Exploring Operation: 79-63=16, Resulting Numbers: [72, 90, 16] Generated Node #0,4: 89:[72, 90, 16] Operation: 79-63=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[79, 90, 135], Operations: ['72+63=135'] Exploring Operation: 90-79=11, Resulting Numbers: [135, 11] Generated Node #0,0,0: 89:[135, 11] Operation: 90-79=11 Exploring Operation: 79+90=169, Resulting Numbers: [135, 169] Generated Node #0,0,1: 89:[135, 169] Operation: 79+90=169 Exploring Operation: 135-90=45, Resulting Numbers: [79, 45] Generated Node #0,0,2: 89:[79, 45] Operation: 135-90=45 Exploring Operation: 135-79=56, Resulting Numbers: [90, 56] Generated Node #0,0,3: 89:[90, 56] Operation: 135-79=56 Exploring Operation: 79+135=214, Resulting Numbers: [90, 214] Generated Node #0,0,4: 89:[90, 214] Operation: 79+135=214 Moving to Node #0,0,3 Current State: 89:[90, 56], Operations: ['72+63=135', '135-79=56'] Exploring Operation: 90*56=5040, Resulting Numbers: [5040] 5040,89 unequal: No Solution Exploring Operation: 90+56=146, Resulting Numbers: [146] 146,89 unequal: No Solution Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[79, 45], Operations: ['72+63=135', '135-90=45'] Exploring Operation: 79+45=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 79-45=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 79*45=3555, Resulting Numbers: [3555] 3555,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[135, 11], Operations: ['72+63=135', '90-79=11'] Exploring Operation: 135+11=146, Resulting Numbers: [146] 146,89 unequal: No Solution Exploring Operation: 135-11=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 135*11=1485, Resulting Numbers: [1485] 1485,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[135, 169], Operations: ['72+63=135', '79+90=169'] Exploring Operation: 135+169=304, Resulting Numbers: [304] 304,89 unequal: No Solution Exploring Operation: 169-135=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 135*169=22815, Resulting Numbers: [22815] 22815,89 unequal: No Solution Moving to Node #0,0,4 Current State: 89:[90, 214], Operations: ['72+63=135', '79+135=214'] Exploring Operation: 90*214=19260, Resulting Numbers: [19260] 19260,89 unequal: No Solution Exploring Operation: 90+214=304, Resulting Numbers: [304] 304,89 unequal: No Solution Exploring Operation: 214-90=124, Resulting Numbers: [124] 124,89 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 #0,3 Current State: 89:[72, 90, 142], Operations: ['79+63=142'] Exploring Operation: 142-90=52, Resulting Numbers: [72, 52] Generated Node #0,3,0: 89:[72, 52] Operation: 142-90=52 Exploring Operation: 90-72=18, Resulting Numbers: [142, 18] Generated Node #0,3,1: 89:[142, 18] Operation: 90-72=18 Exploring Operation: 142-72=70, Resulting Numbers: [90, 70] Generated Node #0,3,2: 89:[90, 70] Operation: 142-72=70 Exploring Operation: 72+90=162, Resulting Numbers: [142, 162] Generated Node #0,3,3: 89:[142, 162] Operation: 72+90=162 Exploring Operation: 72+142=214, Resulting Numbers: [90, 214] Generated Node #0,3,4: 89:[90, 214] Operation: 72+142=214 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[90, 70], Operations: ['79+63=142', '142-72=70'] Exploring Operation: 90+70=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 90*70=6300, Resulting Numbers: [6300] 6300,89 unequal: No Solution Exploring Operation: 90-70=20, Resulting Numbers: [20] 20,89 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 #0,3,0 Current State: 89:[72, 52], Operations: ['79+63=142', '142-90=52'] Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 72*52=3744, Resulting Numbers: [3744] 3744,89 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,89 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 #0,3,1 Current State: 89:[142, 18], Operations: ['79+63=142', '90-72=18'] Exploring Operation: 142+18=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 142*18=2556, Resulting Numbers: [2556] 2556,89 unequal: No Solution Exploring Operation: 142-18=124, Resulting Numbers: [124] 124,89 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 #0,3,3 Current State: 89:[142, 162], Operations: ['79+63=142', '72+90=162'] Exploring Operation: 162-142=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 142+162=304, Resulting Numbers: [304] 304,89 unequal: No Solution Exploring Operation: 142*162=23004, Resulting Numbers: [23004] 23004,89 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 #0,3,4 Current State: 89:[90, 214], Operations: ['79+63=142', '72+142=214'] Exploring Operation: 214-90=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 90+214=304, Resulting Numbers: [304] 304,89 unequal: No Solution Exploring Operation: 90*214=19260, Resulting Numbers: [19260] 19260,89 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[79, 72, 27], Operations: ['90-63=27'] Exploring Operation: 72+27=99, Resulting Numbers: [79, 99] Generated Node #0,1,0: 89:[79, 99] Operation: 72+27=99 Exploring Operation: 79-27=52, Resulting Numbers: [72, 52] Generated Node #0,1,1: 89:[72, 52] Operation: 79-27=52 Exploring Operation: 79+72=151, Resulting Numbers: [27, 151] Generated Node #0,1,2: 89:[27, 151] Operation: 79+72=151 Exploring Operation: 79+27=106, Resulting Numbers: [72, 106] Generated Node #0,1,3: 89:[72, 106] Operation: 79+27=106 Exploring Operation: 72-27=45, Resulting Numbers: [79, 45] Generated Node #0,1,4: 89:[79, 45] Operation: 72-27=45 Moving to Node #0,1,0 Current State: 89:[79, 99], Operations: ['90-63=27', '72+27=99'] Exploring Operation: 79+99=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 79*99=7821, Resulting Numbers: [7821] 7821,89 unequal: No Solution Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[72, 106], Operations: ['90-63=27', '79+27=106'] Exploring Operation: 72*106=7632, Resulting Numbers: [7632] 7632,89 unequal: No Solution Exploring Operation: 106-72=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 72+106=178, Resulting Numbers: [178] 178,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[72, 52], Operations: ['90-63=27', '79-27=52'] Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 72*52=3744, Resulting Numbers: [3744] 3744,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[79, 45], Operations: ['90-63=27', '72-27=45'] Exploring Operation: 79-45=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 79*45=3555, Resulting Numbers: [3555] 3555,89 unequal: No Solution Exploring Operation: 79+45=124, Resulting Numbers: [124] 124,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[27, 151], Operations: ['90-63=27', '79+72=151'] Exploring Operation: 27*151=4077, Resulting Numbers: [4077] 4077,89 unequal: No Solution Exploring Operation: 151-27=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 27+151=178, Resulting Numbers: [178] 178,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[63, 90, 151], Operations: ['79+72=151'] Exploring Operation: 63+90=153, Resulting Numbers: [151, 153] Generated Node #0,2,0: 89:[151, 153] Operation: 63+90=153 Exploring Operation: 151-90=61, Resulting Numbers: [63, 61] Generated Node #0,2,1: 89:[63, 61] Operation: 151-90=61 Exploring Operation: 63+151=214, Resulting Numbers: [90, 214] Generated Node #0,2,2: 89:[90, 214] Operation: 63+151=214 Exploring Operation: 90-63=27, Resulting Numbers: [151, 27] Generated Node #0,2,3: 89:[151, 27] Operation: 90-63=27 Exploring Operation: 151-63=88, Resulting Numbers: [90, 88] Generated Node #0,2,4: 89:[90, 88] Operation: 151-63=88 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 89:[90, 88], Operations: ['79+72=151', '151-63=88'] Exploring Operation: 90+88=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 90*88=7920, Resulting Numbers: [7920] 7920,89 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,89 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 #0,2,1 Current State: 89:[63, 61], Operations: ['79+72=151', '151-90=61'] Exploring Operation: 63+61=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 63-61=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 63*61=3843, Resulting Numbers: [3843] 3843,89 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 #0,2,3 Current State: 89:[151, 27], Operations: ['79+72=151', '90-63=27'] Exploring Operation: 151-27=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 151*27=4077, Resulting Numbers: [4077] 4077,89 unequal: No Solution Exploring Operation: 151+27=178, Resulting Numbers: [178] 178,89 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 #0,2,0 Current State: 89:[151, 153], Operations: ['79+72=151', '63+90=153'] Exploring Operation: 153-151=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 151*153=23103, Resulting Numbers: [23103] 23103,89 unequal: No Solution Exploring Operation: 151+153=304, Resulting Numbers: [304] 304,89 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 #0,2,2 Current State: 89:[90, 214], Operations: ['79+72=151', '63+151=214'] Exploring Operation: 90+214=304, Resulting Numbers: [304] 304,89 unequal: No Solution Exploring Operation: 214-90=124, Resulting Numbers: [124] 124,89 unequal: No Solution Exploring Operation: 90*214=19260, Resulting Numbers: [19260] 19260,89 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 Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[72, 90, 16], Operations: ['79-63=16'] Exploring Operation: 90+16=106, Resulting Numbers: [72, 106] Generated Node #0,4,0: 89:[72, 106] Operation: 90+16=106 Exploring Operation: 90-16=74, Resulting Numbers: [72, 74] Generated Node #0,4,1: 89:[72, 74] Operation: 90-16=74 Exploring Operation: 90-72=18, Resulting Numbers: [16, 18] Generated Node #0,4,2: 89:[16, 18] Operation: 90-72=18 Exploring Operation: 72-16=56, Resulting Numbers: [90, 56] Generated Node #0,4,3: 89:[90, 56] Operation: 72-16=56 Exploring Operation: 72+16=88, Resulting Numbers: [90, 88] Generated Node #0,4,4: 89:[90, 88] Operation: 72+16=88 Moving to Node #0,4,4 Current State: 89:[90, 88], Operations: ['79-63=16', '72+16=88'] Exploring Operation: 90+88=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 90*88=7920, Resulting Numbers: [7920] 7920,89 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[72, 74], Operations: ['79-63=16', '90-16=74'] Exploring Operation: 72*74=5328, Resulting Numbers: [5328] 5328,89 unequal: No Solution Exploring Operation: 74-72=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 72+74=146, Resulting Numbers: [146] 146,89 unequal: No Solution Moving to Node #0,4,0 Current State: 89:[72, 106], Operations: ['79-63=16', '90+16=106'] Exploring Operation: 72*106=7632, Resulting Numbers: [7632] 7632,89 unequal: No Solution Exploring Operation: 72+106=178, Resulting Numbers: [178] 178,89 unequal: No Solution Exploring Operation: 106-72=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[90, 56], Operations: ['79-63=16', '72-16=56'] Exploring Operation: 90*56=5040, Resulting Numbers: [5040] 5040,89 unequal: No Solution Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 90+56=146, Resulting Numbers: [146] 146,89 unequal: No Solution Moving to Node #0,4,2 Current State: 89:[16, 18], Operations: ['79-63=16', '90-72=18'] Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,89 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 26, 8, 87, 29 ]
98
[ "26-8=18", "87+29=116", "116-18=98" ]
Current State: 98:[26, 8, 87, 29], Operations: [] Exploring Operation: 26-8=18, Resulting Numbers: [87, 29, 18] Generated Node #2: [87, 29, 18] from Operation: 26-8=18 Current State: 98:[87, 29, 18], Operations: ['26-8=18'] Exploring Operation: 87+29=116, Resulting Numbers: [18, 116] Generated Node #3: [18, 116] from Operation: 87+29=116 Current State: 98:[18, 116], Operations: ['26-8=18', '87+29=116'] Exploring Operation: 116-18=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[26, 8, 87, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [8, 87, 3] Generated Node #0,0: 98:[8, 87, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 98:[8, 87, 3], Operations: ['29-26=3'] Exploring Operation: 8+87=95, Resulting Numbers: [3, 95] Generated Node #0,0,0: 98:[3, 95] Operation: 8+87=95 Moving to Node #0,0,0 Current State: 98:[3, 95], Operations: ['29-26=3', '8+87=95'] Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[26, 8, 87, 29], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [8, 87, 3] Generated Node #0,0: 98:[8, 87, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 98:[8, 87, 3], Operations: ['29-26=3'] Exploring Operation: 8+87=95, Resulting Numbers: [3, 95] Generated Node #0,0,0: 98:[3, 95] Operation: 8+87=95 Moving to Node #0,0,0 Current State: 98:[3, 95], Operations: ['29-26=3', '8+87=95'] Exploring Operation: 3+95=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 59, 2, 10, 74 ]
32
[ "59+10=69", "74/2=37", "69-37=32" ]
Current State: 32:[59, 2, 10, 74], Operations: [] Exploring Operation: 59+10=69, Resulting Numbers: [2, 74, 69] Generated Node #2: [2, 74, 69] from Operation: 59+10=69 Current State: 32:[2, 74, 69], Operations: ['59+10=69'] Exploring Operation: 74/2=37, Resulting Numbers: [69, 37] Generated Node #3: [69, 37] from Operation: 74/2=37 Current State: 32:[69, 37], Operations: ['59+10=69', '74/2=37'] Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[59, 2, 10, 74], Operations: [] Exploring Operation: 74-59=15, Resulting Numbers: [2, 10, 15] Generated Node #0,0: 32:[2, 10, 15] Operation: 74-59=15 Exploring Operation: 74/2=37, Resulting Numbers: [59, 10, 37] Generated Node #0,1: 32:[59, 10, 37] Operation: 74/2=37 Exploring Operation: 74-10=64, Resulting Numbers: [59, 2, 64] Generated Node #0,2: 32:[59, 2, 64] Operation: 74-10=64 Exploring Operation: 59-10=49, Resulting Numbers: [2, 74, 49] Generated Node #0,3: 32:[2, 74, 49] Operation: 59-10=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 10, 15], Operations: ['74-59=15'] Exploring Operation: 10/2=5, Resulting Numbers: [15, 5] Generated Node #0,0,0: 32:[15, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [15, 8] Generated Node #0,0,1: 32:[15, 8] Operation: 10-2=8 Exploring Operation: 2+15=17, Resulting Numbers: [10, 17] Generated Node #0,0,2: 32:[10, 17] Operation: 2+15=17 Exploring Operation: 15-10=5, Resulting Numbers: [2, 5] Generated Node #0,0,3: 32:[2, 5] Operation: 15-10=5 Moving to Node #0,0,1 Current State: 32:[15, 8], Operations: ['74-59=15', '10-2=8'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 15*8=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 15+8=23, Resulting Numbers: [23] 23,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[2, 5], Operations: ['74-59=15', '15-10=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[15, 5], Operations: ['74-59=15', '10/2=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[10, 17], Operations: ['74-59=15', '2+15=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,32 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[59, 10, 37], Operations: ['74/2=37'] Exploring Operation: 59+10=69, Resulting Numbers: [37, 69] Generated Node #0,1,0: 32:[37, 69] Operation: 59+10=69 Exploring Operation: 59-10=49, Resulting Numbers: [37, 49] Generated Node #0,1,1: 32:[37, 49] Operation: 59-10=49 Exploring Operation: 37-10=27, Resulting Numbers: [59, 27] Generated Node #0,1,2: 32:[59, 27] Operation: 37-10=27 Exploring Operation: 59-37=22, Resulting Numbers: [10, 22] Generated Node #0,1,3: 32:[10, 22] Operation: 59-37=22 Moving to Node #0,1,3 Current State: 32:[10, 22], Operations: ['74/2=37', '59-37=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,32 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[59, 2, 10, 74], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [59, 10, 37] Generated Node #0,1: 32:[59, 10, 37] Operation: 74/2=37 Moving to Node #0,1 Current State: 32:[59, 10, 37], Operations: ['74/2=37'] Exploring Operation: 59-37=22, Resulting Numbers: [10, 22] Generated Node #0,1,3: 32:[10, 22] Operation: 59-37=22 Moving to Node #0,1,3 Current State: 32:[10, 22], Operations: ['74/2=37', '59-37=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 24, 50, 48, 11 ]
72
[ "48/24=2", "11*2=22", "50+22=72" ]
Current State: 72:[24, 50, 48, 11], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [50, 11, 2] Generated Node #2: [50, 11, 2] from Operation: 48/24=2 Current State: 72:[50, 11, 2], Operations: ['48/24=2'] Exploring Operation: 11*2=22, Resulting Numbers: [50, 22] Generated Node #3: [50, 22] from Operation: 11*2=22 Current State: 72:[50, 22], Operations: ['48/24=2', '11*2=22'] Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[24, 50, 48, 11], Operations: [] Exploring Operation: 24+50=74, Resulting Numbers: [48, 11, 74] Generated Node #0,0: 72:[48, 11, 74] Operation: 24+50=74 Exploring Operation: 50-48=2, Resulting Numbers: [24, 11, 2] Generated Node #0,1: 72:[24, 11, 2] Operation: 50-48=2 Exploring Operation: 24+48=72, Resulting Numbers: [50, 11, 72] Generated Node #0,2: 72:[50, 11, 72] Operation: 24+48=72 Exploring Operation: 48-24=24, Resulting Numbers: [50, 11, 24] Generated Node #0,3: 72:[50, 11, 24] Operation: 48-24=24 Exploring Operation: 50-24=26, Resulting Numbers: [48, 11, 26] Generated Node #0,4: 72:[48, 11, 26] Operation: 50-24=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[24, 11, 2], Operations: ['50-48=2'] Exploring Operation: 11+2=13, Resulting Numbers: [24, 13] Generated Node #0,1,0: 72:[24, 13] Operation: 11+2=13 Exploring Operation: 24-11=13, Resulting Numbers: [2, 13] Generated Node #0,1,1: 72:[2, 13] Operation: 24-11=13 Exploring Operation: 11-2=9, Resulting Numbers: [24, 9] Generated Node #0,1,2: 72:[24, 9] Operation: 11-2=9 Exploring Operation: 24/2=12, Resulting Numbers: [11, 12] Generated Node #0,1,3: 72:[11, 12] Operation: 24/2=12 Exploring Operation: 24+11=35, Resulting Numbers: [2, 35] Generated Node #0,1,4: 72:[2, 35] Operation: 24+11=35 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[24, 9], Operations: ['50-48=2', '11-2=9'] Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,72 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[24, 13], Operations: ['50-48=2', '11+2=13'] Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,72 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[2, 13], Operations: ['50-48=2', '24-11=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 72:[11, 12], Operations: ['50-48=2', '24/2=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,72 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 72:[2, 35], Operations: ['50-48=2', '24+11=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[48, 11, 74], Operations: ['24+50=74'] Exploring Operation: 11+74=85, Resulting Numbers: [48, 85] Generated Node #0,0,0: 72:[48, 85] Operation: 11+74=85 Exploring Operation: 48+11=59, Resulting Numbers: [74, 59] Generated Node #0,0,1: 72:[74, 59] Operation: 48+11=59 Exploring Operation: 74-48=26, Resulting Numbers: [11, 26] Generated Node #0,0,2: 72:[11, 26] Operation: 74-48=26 Exploring Operation: 48-11=37, Resulting Numbers: [74, 37] Generated Node #0,0,3: 72:[74, 37] Operation: 48-11=37 Exploring Operation: 74-11=63, Resulting Numbers: [48, 63] Generated Node #0,0,4: 72:[48, 63] Operation: 74-11=63 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 72:[11, 26], Operations: ['24+50=74', '74-48=26'] Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,72 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 72:[74, 37], Operations: ['24+50=74', '48-11=37'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[74, 59], Operations: ['24+50=74', '48+11=59'] Exploring Operation: 74*59=4366, Resulting Numbers: [4366] 4366,72 unequal: No Solution Exploring Operation: 74-59=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 74+59=133, Resulting Numbers: [133] 133,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 72:[48, 63], Operations: ['24+50=74', '74-11=63'] Exploring Operation: 48*63=3024, Resulting Numbers: [3024] 3024,72 unequal: No Solution Exploring Operation: 48+63=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 63-48=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[48, 85], Operations: ['24+50=74', '11+74=85'] Exploring Operation: 48+85=133, Resulting Numbers: [133] 133,72 unequal: No Solution Exploring Operation: 85-48=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 48*85=4080, Resulting Numbers: [4080] 4080,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[50, 11, 72], Operations: ['24+48=72'] Exploring Operation: 11+72=83, Resulting Numbers: [50, 83] Generated Node #0,2,0: 72:[50, 83] Operation: 11+72=83 Exploring Operation: 72-50=22, Resulting Numbers: [11, 22] Generated Node #0,2,1: 72:[11, 22] Operation: 72-50=22 Exploring Operation: 50+11=61, Resulting Numbers: [72, 61] Generated Node #0,2,2: 72:[72, 61] Operation: 50+11=61 Exploring Operation: 72-11=61, Resulting Numbers: [50, 61] Generated Node #0,2,3: 72:[50, 61] Operation: 72-11=61 Exploring Operation: 50-11=39, Resulting Numbers: [72, 39] Generated Node #0,2,4: 72:[72, 39] Operation: 50-11=39 Moving to Node #0,2,1 Current State: 72:[11, 22], Operations: ['24+48=72', '72-50=22'] Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,72 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,72 unequal: No Solution Moving to Node #0,2,4 Current State: 72:[72, 39], Operations: ['24+48=72', '50-11=39'] Exploring Operation: 72+39=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 72*39=2808, Resulting Numbers: [2808] 2808,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[72, 61], Operations: ['24+48=72', '50+11=61'] Exploring Operation: 72+61=133, Resulting Numbers: [133] 133,72 unequal: No Solution Exploring Operation: 72*61=4392, Resulting Numbers: [4392] 4392,72 unequal: No Solution Exploring Operation: 72-61=11, Resulting Numbers: [11] 11,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[50, 83], Operations: ['24+48=72', '11+72=83'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 50+83=133, Resulting Numbers: [133] 133,72 unequal: No Solution Exploring Operation: 50*83=4150, Resulting Numbers: [4150] 4150,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[50, 61], Operations: ['24+48=72', '72-11=61'] Exploring Operation: 50*61=3050, Resulting Numbers: [3050] 3050,72 unequal: No Solution Exploring Operation: 50+61=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 72:[50, 11, 24], Operations: ['48-24=24'] Exploring Operation: 50-24=26, Resulting Numbers: [11, 26] Generated Node #0,3,0: 72:[11, 26] Operation: 50-24=26 Exploring Operation: 50-11=39, Resulting Numbers: [24, 39] Generated Node #0,3,1: 72:[24, 39] Operation: 50-11=39 Exploring Operation: 50+11=61, Resulting Numbers: [24, 61] Generated Node #0,3,2: 72:[24, 61] Operation: 50+11=61 Exploring Operation: 50+24=74, Resulting Numbers: [11, 74] Generated Node #0,3,3: 72:[11, 74] Operation: 50+24=74 Exploring Operation: 11+24=35, Resulting Numbers: [50, 35] Generated Node #0,3,4: 72:[50, 35] Operation: 11+24=35 Moving to Node #0,3,0 Current State: 72:[11, 26], Operations: ['48-24=24', '50-24=26'] Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[11, 74], Operations: ['48-24=24', '50+24=74'] Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,72 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[24, 39], Operations: ['48-24=24', '50-11=39'] Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[24, 61], Operations: ['48-24=24', '50+11=61'] Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,72 unequal: No Solution Moving to Node #0,3,4 Current State: 72:[50, 35], Operations: ['48-24=24', '11+24=35'] Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 50*35=1750, Resulting Numbers: [1750] 1750,72 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 72:[48, 11, 26], Operations: ['50-24=26'] Exploring Operation: 48-11=37, Resulting Numbers: [26, 37] Generated Node #0,4,0: 72:[26, 37] Operation: 48-11=37 Exploring Operation: 48+11=59, Resulting Numbers: [26, 59] Generated Node #0,4,1: 72:[26, 59] Operation: 48+11=59 Exploring Operation: 48-26=22, Resulting Numbers: [11, 22] Generated Node #0,4,2: 72:[11, 22] Operation: 48-26=22 Exploring Operation: 11+26=37, Resulting Numbers: [48, 37] Generated Node #0,4,3: 72:[48, 37] Operation: 11+26=37 Exploring Operation: 48+26=74, Resulting Numbers: [11, 74] Generated Node #0,4,4: 72:[11, 74] Operation: 48+26=74 Moving to Node #0,4,0 Current State: 72:[26, 37], Operations: ['50-24=26', '48-11=37'] Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,72 unequal: No Solution Moving to Node #0,4,4 Current State: 72:[11, 74], Operations: ['50-24=26', '48+26=74'] Exploring Operation: 11+74=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 11*74=814, Resulting Numbers: [814] 814,72 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,72 unequal: No Solution Moving to Node #0,4,2 Current State: 72:[11, 22], Operations: ['50-24=26', '48-26=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,72 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,72 unequal: No Solution Moving to Node #0,4,3 Current State: 72:[48, 37], Operations: ['50-24=26', '11+26=37'] Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 48*37=1776, Resulting Numbers: [1776] 1776,72 unequal: No Solution Exploring Operation: 48+37=85, Resulting Numbers: [85] 85,72 unequal: No Solution Moving to Node #0,4,1 Current State: 72:[26, 59], Operations: ['50-24=26', '48+11=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,72 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
[ 40, 24, 90, 20 ]
60
[ "90-40=50", "24*50=1200", "1200/20=60" ]
Current State: 60:[40, 24, 90, 20], Operations: [] Exploring Operation: 90-40=50, Resulting Numbers: [24, 20, 50] Generated Node #2: [24, 20, 50] from Operation: 90-40=50 Current State: 60:[24, 20, 50], Operations: ['90-40=50'] Exploring Operation: 24*50=1200, Resulting Numbers: [20, 1200] Generated Node #3: [20, 1200] from Operation: 24*50=1200 Current State: 60:[20, 1200], Operations: ['90-40=50', '24*50=1200'] Exploring Operation: 1200/20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[40, 24, 90, 20], Operations: [] Exploring Operation: 90-24=66, Resulting Numbers: [40, 20, 66] Generated Node #0,0: 60:[40, 20, 66] Operation: 90-24=66 Exploring Operation: 90-40=50, Resulting Numbers: [24, 20, 50] Generated Node #0,1: 60:[24, 20, 50] Operation: 90-40=50 Exploring Operation: 40-24=16, Resulting Numbers: [90, 20, 16] Generated Node #0,2: 60:[90, 20, 16] Operation: 40-24=16 Exploring Operation: 40+24=64, Resulting Numbers: [90, 20, 64] Generated Node #0,3: 60:[90, 20, 64] Operation: 40+24=64 Exploring Operation: 90-20=70, Resulting Numbers: [40, 24, 70] Generated Node #0,4: 60:[40, 24, 70] Operation: 90-20=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[24, 20, 50], Operations: ['90-40=50'] Exploring Operation: 20+50=70, Resulting Numbers: [24, 70] Generated Node #0,1,0: 60:[24, 70] Operation: 20+50=70 Exploring Operation: 24-20=4, Resulting Numbers: [50, 4] Generated Node #0,1,1: 60:[50, 4] Operation: 24-20=4 Exploring Operation: 50-20=30, Resulting Numbers: [24, 30] Generated Node #0,1,2: 60:[24, 30] Operation: 50-20=30 Exploring Operation: 24+50=74, Resulting Numbers: [20, 74] Generated Node #0,1,3: 60:[20, 74] Operation: 24+50=74 Exploring Operation: 50-24=26, Resulting Numbers: [20, 26] Generated Node #0,1,4: 60:[20, 26] Operation: 50-24=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 60:[24, 30], Operations: ['90-40=50', '50-20=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,60 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 60:[20, 26], Operations: ['90-40=50', '50-24=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[50, 4], Operations: ['90-40=50', '24-20=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,60 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[24, 70], Operations: ['90-40=50', '20+50=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,60 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 60:[20, 74], Operations: ['90-40=50', '24+50=74'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 20*74=1480, Resulting Numbers: [1480] 1480,60 unequal: No Solution Exploring Operation: 20+74=94, Resulting Numbers: [94] 94,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[40, 20, 66], Operations: ['90-24=66'] Exploring Operation: 40-20=20, Resulting Numbers: [66, 20] Generated Node #0,0,0: 60:[66, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [66, 2] Generated Node #0,0,1: 60:[66, 2] Operation: 40/20=2 Exploring Operation: 40+20=60, Resulting Numbers: [66, 60] Generated Node #0,0,2: 60:[66, 60] Operation: 40+20=60 Exploring Operation: 66-40=26, Resulting Numbers: [20, 26] Generated Node #0,0,3: 60:[20, 26] Operation: 66-40=26 Exploring Operation: 66-20=46, Resulting Numbers: [40, 46] Generated Node #0,0,4: 60:[40, 46] Operation: 66-20=46 Moving to Node #0,0,3 Current State: 60:[20, 26], Operations: ['90-24=66', '66-40=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,60 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[66, 2], Operations: ['90-24=66', '40/20=2'] Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,60 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[66, 20], Operations: ['90-24=66', '40-20=20'] Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[66, 60], Operations: ['90-24=66', '40+20=60'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 66*60=3960, Resulting Numbers: [3960] 3960,60 unequal: No Solution Exploring Operation: 66+60=126, Resulting Numbers: [126] 126,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[40, 46], Operations: ['90-24=66', '66-20=46'] Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,60 unequal: No Solution Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[40, 24, 70], Operations: ['90-20=70'] Exploring Operation: 70-24=46, Resulting Numbers: [40, 46] Generated Node #0,4,0: 60:[40, 46] Operation: 70-24=46 Exploring Operation: 40+24=64, Resulting Numbers: [70, 64] Generated Node #0,4,1: 60:[70, 64] Operation: 40+24=64 Exploring Operation: 70-40=30, Resulting Numbers: [24, 30] Generated Node #0,4,2: 60:[24, 30] Operation: 70-40=30 Exploring Operation: 24+70=94, Resulting Numbers: [40, 94] Generated Node #0,4,3: 60:[40, 94] Operation: 24+70=94 Exploring Operation: 40-24=16, Resulting Numbers: [70, 16] Generated Node #0,4,4: 60:[70, 16] Operation: 40-24=16 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 60:[24, 30], Operations: ['90-20=70', '70-40=30'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,60 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 60:[70, 16], Operations: ['90-20=70', '40-24=16'] Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,60 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 60:[70, 64], Operations: ['90-20=70', '40+24=64'] Exploring Operation: 70*64=4480, Resulting Numbers: [4480] 4480,60 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 70+64=134, Resulting Numbers: [134] 134,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 60:[40, 46], Operations: ['90-20=70', '70-24=46'] Exploring Operation: 46-40=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 40*46=1840, Resulting Numbers: [1840] 1840,60 unequal: No Solution Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[40, 94], Operations: ['90-20=70', '24+70=94'] Exploring Operation: 40*94=3760, Resulting Numbers: [3760] 3760,60 unequal: No Solution Exploring Operation: 40+94=134, Resulting Numbers: [134] 134,60 unequal: No Solution Exploring Operation: 94-40=54, Resulting Numbers: [54] 54,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[90, 20, 16], Operations: ['40-24=16'] Exploring Operation: 20-16=4, Resulting Numbers: [90, 4] Generated Node #0,2,0: 60:[90, 4] Operation: 20-16=4 Exploring Operation: 90+16=106, Resulting Numbers: [20, 106] Generated Node #0,2,1: 60:[20, 106] Operation: 90+16=106 Exploring Operation: 90-16=74, Resulting Numbers: [20, 74] Generated Node #0,2,2: 60:[20, 74] Operation: 90-16=74 Exploring Operation: 90-20=70, Resulting Numbers: [16, 70] Generated Node #0,2,3: 60:[16, 70] Operation: 90-20=70 Exploring Operation: 20+16=36, Resulting Numbers: [90, 36] Generated Node #0,2,4: 60:[90, 36] Operation: 20+16=36 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 60:[16, 70], Operations: ['40-24=16', '90-20=70'] Exploring Operation: 16+70=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 16*70=1120, Resulting Numbers: [1120] 1120,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[20, 74], Operations: ['40-24=16', '90-16=74'] Exploring Operation: 20+74=94, Resulting Numbers: [94] 94,60 unequal: No Solution Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 20*74=1480, Resulting Numbers: [1480] 1480,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[90, 4], Operations: ['40-24=16', '20-16=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,60 unequal: No Solution Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 60:[90, 36], Operations: ['40-24=16', '20+16=36'] Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,60 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,60 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[20, 106], Operations: ['40-24=16', '90+16=106'] Exploring Operation: 106-20=86, Resulting Numbers: [86] 86,60 unequal: No Solution Exploring Operation: 20+106=126, Resulting Numbers: [126] 126,60 unequal: No Solution Exploring Operation: 20*106=2120, Resulting Numbers: [2120] 2120,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[90, 20, 64], Operations: ['40+24=64'] Exploring Operation: 90+20=110, Resulting Numbers: [64, 110] Generated Node #0,3,0: 60:[64, 110] Operation: 90+20=110 Exploring Operation: 64-20=44, Resulting Numbers: [90, 44] Generated Node #0,3,1: 60:[90, 44] Operation: 64-20=44 Exploring Operation: 90-20=70, Resulting Numbers: [64, 70] Generated Node #0,3,2: 60:[64, 70] Operation: 90-20=70 Exploring Operation: 90-64=26, Resulting Numbers: [20, 26] Generated Node #0,3,3: 60:[20, 26] Operation: 90-64=26 Exploring Operation: 20+64=84, Resulting Numbers: [90, 84] Generated Node #0,3,4: 60:[90, 84] Operation: 20+64=84 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 60:[20, 26], Operations: ['40+24=64', '90-64=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 60:[64, 70], Operations: ['40+24=64', '90-20=70'] Exploring Operation: 64+70=134, Resulting Numbers: [134] 134,60 unequal: No Solution Exploring Operation: 64*70=4480, Resulting Numbers: [4480] 4480,60 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 60:[90, 44], Operations: ['40+24=64', '64-20=44'] Exploring Operation: 90*44=3960, Resulting Numbers: [3960] 3960,60 unequal: No Solution Exploring Operation: 90+44=134, Resulting Numbers: [134] 134,60 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[64, 110], Operations: ['40+24=64', '90+20=110'] Exploring Operation: 110-64=46, Resulting Numbers: [46] 46,60 unequal: No Solution Exploring Operation: 64*110=7040, Resulting Numbers: [7040] 7040,60 unequal: No Solution Exploring Operation: 64+110=174, Resulting Numbers: [174] 174,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 60:[90, 84], Operations: ['40+24=64', '20+64=84'] Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,60 unequal: No Solution Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,60 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 84, 75, 9, 99 ]
13
[ "9*99=891", "84+891=975", "975/75=13" ]
Current State: 13:[84, 75, 9, 99], Operations: [] Exploring Operation: 9*99=891, Resulting Numbers: [84, 75, 891] Generated Node #2: [84, 75, 891] from Operation: 9*99=891 Current State: 13:[84, 75, 891], Operations: ['9*99=891'] Exploring Operation: 84+891=975, Resulting Numbers: [75, 975] Generated Node #3: [75, 975] from Operation: 84+891=975 Current State: 13:[75, 975], Operations: ['9*99=891', '84+891=975'] Exploring Operation: 975/75=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[84, 75, 9, 99], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [9, 99, 9] Generated Node #0,0: 13:[9, 99, 9] Operation: 84-75=9 Exploring Operation: 99-75=24, Resulting Numbers: [84, 9, 24] Generated Node #0,1: 13:[84, 9, 24] Operation: 99-75=24 Exploring Operation: 99-84=15, Resulting Numbers: [75, 9, 15] Generated Node #0,2: 13:[75, 9, 15] Operation: 99-84=15 Exploring Operation: 99/9=11, Resulting Numbers: [84, 75, 11] Generated Node #0,3: 13:[84, 75, 11] Operation: 99/9=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[75, 9, 15], Operations: ['99-84=15'] Exploring Operation: 75-15=60, Resulting Numbers: [9, 60] Generated Node #0,2,0: 13:[9, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [9, 5] Generated Node #0,2,1: 13:[9, 5] Operation: 75/15=5 Exploring Operation: 75-9=66, Resulting Numbers: [15, 66] Generated Node #0,2,2: 13:[15, 66] Operation: 75-9=66 Exploring Operation: 15-9=6, Resulting Numbers: [75, 6] Generated Node #0,2,3: 13:[75, 6] Operation: 15-9=6 Moving to Node #0,2,1 Current State: 13:[9, 5], Operations: ['99-84=15', '75/15=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,13 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[9, 60], Operations: ['99-84=15', '75-15=60'] Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[15, 66], Operations: ['99-84=15', '75-9=66'] Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,13 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,13 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,13 unequal: No Solution Moving to Node #0,2,3 Current State: 13:[75, 6], Operations: ['99-84=15', '15-9=6'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,13 unequal: No Solution Exploring Operation: 75*6=450, Resulting Numbers: [450] 450,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[84, 9, 24], Operations: ['99-75=24'] Exploring Operation: 84+9=93, Resulting Numbers: [24, 93] Generated Node #0,1,0: 13:[24, 93] Operation: 84+9=93 Exploring Operation: 84-24=60, Resulting Numbers: [9, 60] Generated Node #0,1,1: 13:[9, 60] Operation: 84-24=60 Exploring Operation: 24-9=15, Resulting Numbers: [84, 15] Generated Node #0,1,2: 13:[84, 15] Operation: 24-9=15 Exploring Operation: 84-9=75, Resulting Numbers: [24, 75] Generated Node #0,1,3: 13:[24, 75] Operation: 84-9=75 Moving to Node #0,1,1 Current State: 13:[9, 60], Operations: ['99-75=24', '84-24=60'] Exploring Operation: 9*60=540, Resulting Numbers: [540] 540,13 unequal: No Solution Exploring Operation: 9+60=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 60-9=51, Resulting Numbers: [51] 51,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[24, 75], Operations: ['99-75=24', '84-9=75'] Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,13 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[84, 15], Operations: ['99-75=24', '24-9=15'] Exploring Operation: 84*15=1260, Resulting Numbers: [1260] 1260,13 unequal: No Solution Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 84+15=99, Resulting Numbers: [99] 99,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[24, 93], Operations: ['99-75=24', '84+9=93'] Exploring Operation: 93-24=69, Resulting Numbers: [69] 69,13 unequal: No Solution Exploring Operation: 24*93=2232, Resulting Numbers: [2232] 2232,13 unequal: No Solution Exploring Operation: 24+93=117, Resulting Numbers: [117] 117,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[9, 99, 9], Operations: ['84-75=9'] Exploring Operation: 99-9=90, Resulting Numbers: [9, 90] Generated Node #0,0,0: 13:[9, 90] Operation: 99-9=90 Exploring Operation: 99/9=11, Resulting Numbers: [9, 11] Generated Node #0,0,1: 13:[9, 11] Operation: 99/9=11 Exploring Operation: 99/9=11, Resulting Numbers: [9, 11] Generated Node #0,0,2: 13:[9, 11] Operation: 99/9=11 Exploring Operation: 99-9=90, Resulting Numbers: [9, 90] Generated Node #0,0,3: 13:[9, 90] Operation: 99-9=90 Moving to Node #0,0,1 Current State: 13:[9, 11], Operations: ['84-75=9', '99/9=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[9, 11], Operations: ['84-75=9', '99/9=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[9, 90], Operations: ['84-75=9', '99-9=90'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 9+90=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,13 unequal: No Solution Exploring Operation: 9*90=810, Resulting Numbers: [810] 810,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[9, 90], Operations: ['84-75=9', '99-9=90'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,13 unequal: No Solution Exploring Operation: 9*90=810, Resulting Numbers: [810] 810,13 unequal: No Solution Exploring Operation: 9+90=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[84, 75, 11], Operations: ['99/9=11'] Exploring Operation: 84-75=9, Resulting Numbers: [11, 9] Generated Node #0,3,0: 13:[11, 9] Operation: 84-75=9 Exploring Operation: 84+11=95, Resulting Numbers: [75, 95] Generated Node #0,3,1: 13:[75, 95] Operation: 84+11=95 Exploring Operation: 75-11=64, Resulting Numbers: [84, 64] Generated Node #0,3,2: 13:[84, 64] Operation: 75-11=64 Exploring Operation: 84-11=73, Resulting Numbers: [75, 73] Generated Node #0,3,3: 13:[75, 73] Operation: 84-11=73 Moving to Node #0,3,0 Current State: 13:[11, 9], Operations: ['99/9=11', '84-75=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[75, 73], Operations: ['99/9=11', '84-11=73'] Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,13 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,13 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[84, 64], Operations: ['99/9=11', '75-11=64'] Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,13 unequal: No Solution Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[75, 95], Operations: ['99/9=11', '84+11=95'] Exploring Operation: 75+95=170, Resulting Numbers: [170] 170,13 unequal: No Solution Exploring Operation: 75*95=7125, Resulting Numbers: [7125] 7125,13 unequal: No Solution Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 35, 40, 2, 12 ]
86
[ "35-12=23", "2*23=46", "40+46=86" ]
Current State: 86:[35, 40, 2, 12], Operations: [] Exploring Operation: 35-12=23, Resulting Numbers: [40, 2, 23] Generated Node #2: [40, 2, 23] from Operation: 35-12=23 Current State: 86:[40, 2, 23], Operations: ['35-12=23'] Exploring Operation: 2*23=46, Resulting Numbers: [40, 46] Generated Node #3: [40, 46] from Operation: 2*23=46 Current State: 86:[40, 46], Operations: ['35-12=23', '2*23=46'] Exploring Operation: 40+46=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[35, 40, 2, 12], Operations: [] Exploring Operation: 40+12=52, Resulting Numbers: [35, 2, 52] Generated Node #0,0: 86:[35, 2, 52] Operation: 40+12=52 Exploring Operation: 35+12=47, Resulting Numbers: [40, 2, 47] Generated Node #0,1: 86:[40, 2, 47] Operation: 35+12=47 Exploring Operation: 40-35=5, Resulting Numbers: [2, 12, 5] Generated Node #0,2: 86:[2, 12, 5] Operation: 40-35=5 Exploring Operation: 12/2=6, Resulting Numbers: [35, 40, 6] Generated Node #0,3: 86:[35, 40, 6] Operation: 12/2=6 Moving to Node #0,1 Current State: 86:[40, 2, 47], Operations: ['35+12=47'] Exploring Operation: 40+47=87, Resulting Numbers: [2, 87] Generated Node #0,1,0: 86:[2, 87] Operation: 40+47=87 Exploring Operation: 47-2=45, Resulting Numbers: [40, 45] Generated Node #0,1,1: 86:[40, 45] Operation: 47-2=45 Exploring Operation: 40+2=42, Resulting Numbers: [47, 42] Generated Node #0,1,2: 86:[47, 42] Operation: 40+2=42 Exploring Operation: 47-40=7, Resulting Numbers: [2, 7] Generated Node #0,1,3: 86:[2, 7] Operation: 47-40=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[2, 87], Operations: ['35+12=47', '40+47=87'] Exploring Operation: 2*87=174, Resulting Numbers: [174] 174,86 unequal: No Solution Exploring Operation: 2+87=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,86 unequal: No Solution No 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: 86:[40, 45], Operations: ['35+12=47', '47-2=45'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,86 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,86 unequal: No Solution No 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: 86:[47, 42], Operations: ['35+12=47', '40+2=42'] Exploring Operation: 47*42=1974, Resulting Numbers: [1974] 1974,86 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,86 unequal: No Solution No 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: 86:[2, 7], Operations: ['35+12=47', '47-40=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,86 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: 86:[2, 12, 5], Operations: ['40-35=5'] Exploring Operation: 12/2=6, Resulting Numbers: [5, 6] Generated Node #0,2,0: 86:[5, 6] Operation: 12/2=6 Exploring Operation: 12-5=7, Resulting Numbers: [2, 7] Generated Node #0,2,1: 86:[2, 7] Operation: 12-5=7 Exploring Operation: 12-2=10, Resulting Numbers: [5, 10] Generated Node #0,2,2: 86:[5, 10] Operation: 12-2=10 Exploring Operation: 5-2=3, Resulting Numbers: [12, 3] Generated Node #0,2,3: 86:[12, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[2, 7], Operations: ['40-35=5', '12-5=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,86 unequal: No Solution No 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: 86:[5, 6], Operations: ['40-35=5', '12/2=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,86 unequal: No Solution No 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: 86:[5, 10], Operations: ['40-35=5', '12-2=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,86 unequal: No Solution No 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: 86:[12, 3], Operations: ['40-35=5', '5-2=3'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,86 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: 86:[35, 40, 6], Operations: ['12/2=6'] Exploring Operation: 40-35=5, Resulting Numbers: [6, 5] Generated Node #0,3,0: 86:[6, 5] Operation: 40-35=5 Exploring Operation: 35+40=75, Resulting Numbers: [6, 75] Generated Node #0,3,1: 86:[6, 75] Operation: 35+40=75 Exploring Operation: 40+6=46, Resulting Numbers: [35, 46] Generated Node #0,3,2: 86:[35, 46] Operation: 40+6=46 Exploring Operation: 35+6=41, Resulting Numbers: [40, 41] Generated Node #0,3,3: 86:[40, 41] Operation: 35+6=41 Moving to Node #0,0 Current State: 86:[35, 2, 52], Operations: ['40+12=52'] Exploring Operation: 35+52=87, Resulting Numbers: [2, 87] Generated Node #0,0,0: 86:[2, 87] Operation: 35+52=87 Exploring Operation: 52-35=17, Resulting Numbers: [2, 17] Generated Node #0,0,1: 86:[2, 17] Operation: 52-35=17 Exploring Operation: 52-2=50, Resulting Numbers: [35, 50] Generated Node #0,0,2: 86:[35, 50] Operation: 52-2=50 Exploring Operation: 35+2=37, Resulting Numbers: [52, 37] Generated Node #0,0,3: 86:[52, 37] Operation: 35+2=37 Moving to Node #0,0,0 Current State: 86:[2, 87], Operations: ['40+12=52', '35+52=87'] Exploring Operation: 2*87=174, Resulting Numbers: [174] 174,86 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 2+87=89, Resulting Numbers: [89] 89,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[40, 41], Operations: ['12/2=6', '35+6=41'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 40+41=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 40*41=1640, Resulting Numbers: [1640] 1640,86 unequal: No Solution Moving to Node #0,3,0 Current State: 86:[6, 5], Operations: ['12/2=6', '40-35=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[35, 46], Operations: ['12/2=6', '40+6=46'] Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[2, 17], Operations: ['40+12=52', '52-35=17'] Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,86 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[35, 50], Operations: ['40+12=52', '52-2=50'] Exploring Operation: 35*50=1750, Resulting Numbers: [1750] 1750,86 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[52, 37], Operations: ['40+12=52', '35+2=37'] Exploring Operation: 52*37=1924, Resulting Numbers: [1924] 1924,86 unequal: No Solution Exploring Operation: 52+37=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[6, 75], Operations: ['12/2=6', '35+40=75'] Exploring Operation: 6*75=450, Resulting Numbers: [450] 450,86 unequal: No Solution Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,86 unequal: No Solution Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,86 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 90, 61, 6, 49 ]
26
[ "90-61=29", "6+49=55", "55-29=26" ]
Current State: 26:[90, 61, 6, 49], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [6, 49, 29] Generated Node #2: [6, 49, 29] from Operation: 90-61=29 Current State: 26:[6, 49, 29], Operations: ['90-61=29'] Exploring Operation: 6+49=55, Resulting Numbers: [29, 55] Generated Node #3: [29, 55] from Operation: 6+49=55 Current State: 26:[29, 55], Operations: ['90-61=29', '6+49=55'] Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[90, 61, 6, 49], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [6, 49, 29] Generated Node #0,0: 26:[6, 49, 29] Operation: 90-61=29 Exploring Operation: 90-49=41, Resulting Numbers: [61, 6, 41] Generated Node #0,1: 26:[61, 6, 41] Operation: 90-49=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[6, 49, 29], Operations: ['90-61=29'] Exploring Operation: 49-29=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 26:[6, 20] Operation: 49-29=20 Exploring Operation: 49-6=43, Resulting Numbers: [29, 43] Generated Node #0,0,1: 26:[29, 43] Operation: 49-6=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[6, 20], Operations: ['90-61=29', '49-29=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[90, 61, 6, 49], Operations: [] Exploring Operation: 90-61=29, Resulting Numbers: [6, 49, 29] Generated Node #0,0: 26:[6, 49, 29] Operation: 90-61=29 Moving to Node #0,0 Current State: 26:[6, 49, 29], Operations: ['90-61=29'] Exploring Operation: 49-29=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 26:[6, 20] Operation: 49-29=20 Moving to Node #0,0,0 Current State: 26:[6, 20], Operations: ['90-61=29', '49-29=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 17, 20, 23, 2 ]
63
[ "20-17=3", "23-2=21", "3*21=63" ]
Current State: 63:[17, 20, 23, 2], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [23, 2, 3] Generated Node #2: [23, 2, 3] from Operation: 20-17=3 Current State: 63:[23, 2, 3], Operations: ['20-17=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 23-2=21 Current State: 63:[3, 21], Operations: ['20-17=3', '23-2=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[17, 20, 23, 2], Operations: [] Exploring Operation: 17+2=19, Resulting Numbers: [20, 23, 19] Generated Node #0,0: 63:[20, 23, 19] Operation: 17+2=19 Exploring Operation: 23-17=6, Resulting Numbers: [20, 2, 6] Generated Node #0,1: 63:[20, 2, 6] Operation: 23-17=6 Exploring Operation: 20-17=3, Resulting Numbers: [23, 2, 3] Generated Node #0,2: 63:[23, 2, 3] Operation: 20-17=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[20, 2, 6], Operations: ['23-17=6'] Exploring Operation: 20/2=10, Resulting Numbers: [6, 10] Generated Node #0,1,0: 63:[6, 10] Operation: 20/2=10 Exploring Operation: 6/2=3, Resulting Numbers: [20, 3] Generated Node #0,1,1: 63:[20, 3] Operation: 6/2=3 Exploring Operation: 20+2=22, Resulting Numbers: [6, 22] Generated Node #0,1,2: 63:[6, 22] Operation: 20+2=22 Moving to Node #0,1,1 Current State: 63:[20, 3], Operations: ['23-17=6', '6/2=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,63 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[6, 10], Operations: ['23-17=6', '20/2=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,63 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[6, 22], Operations: ['23-17=6', '20+2=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[23, 2, 3], Operations: ['20-17=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #0,2,0: 63:[3, 21] Operation: 23-2=21 Exploring Operation: 23-3=20, Resulting Numbers: [2, 20] Generated Node #0,2,1: 63:[2, 20] Operation: 23-3=20 Exploring Operation: 2*3=6, Resulting Numbers: [23, 6] Generated Node #0,2,2: 63:[23, 6] Operation: 2*3=6 Moving to Node #0,2,0 Current State: 63:[3, 21], Operations: ['20-17=3', '23-2=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[17, 20, 23, 2], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [23, 2, 3] Generated Node #0,2: 63:[23, 2, 3] Operation: 20-17=3 Moving to Node #0,2 Current State: 63:[23, 2, 3], Operations: ['20-17=3'] Exploring Operation: 23-2=21, Resulting Numbers: [3, 21] Generated Node #0,2,0: 63:[3, 21] Operation: 23-2=21 Moving to Node #0,2,0 Current State: 63:[3, 21], Operations: ['20-17=3', '23-2=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 79, 95, 54, 61 ]
91
[ "79*61=4819", "95+4819=4914", "4914/54=91" ]
Current State: 91:[79, 95, 54, 61], Operations: [] Exploring Operation: 79*61=4819, Resulting Numbers: [95, 54, 4819] Generated Node #2: [95, 54, 4819] from Operation: 79*61=4819 Current State: 91:[95, 54, 4819], Operations: ['79*61=4819'] Exploring Operation: 95+4819=4914, Resulting Numbers: [54, 4914] Generated Node #3: [54, 4914] from Operation: 95+4819=4914 Current State: 91:[54, 4914], Operations: ['79*61=4819', '95+4819=4914'] Exploring Operation: 4914/54=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[79, 95, 54, 61], Operations: [] Exploring Operation: 54+61=115, Resulting Numbers: [79, 95, 115] Generated Node #0,0: 91:[79, 95, 115] Operation: 54+61=115 Exploring Operation: 61-54=7, Resulting Numbers: [79, 95, 7] Generated Node #0,1: 91:[79, 95, 7] Operation: 61-54=7 Moving to Node #0,1 Current State: 91:[79, 95, 7], Operations: ['61-54=7'] Exploring Operation: 79+7=86, Resulting Numbers: [95, 86] Generated Node #0,1,0: 91:[95, 86] Operation: 79+7=86 Exploring Operation: 95-79=16, Resulting Numbers: [7, 16] Generated Node #0,1,1: 91:[7, 16] Operation: 95-79=16 Moving to Node #0,0 Current State: 91:[79, 95, 115], Operations: ['54+61=115'] Exploring Operation: 95-79=16, Resulting Numbers: [115, 16] Generated Node #0,0,0: 91:[115, 16] Operation: 95-79=16 Exploring Operation: 115-95=20, Resulting Numbers: [79, 20] Generated Node #0,0,1: 91:[79, 20] Operation: 115-95=20 Moving to Node #0,1,1 Current State: 91:[7, 16], Operations: ['61-54=7', '95-79=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,91 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[95, 86], Operations: ['61-54=7', '79+7=86'] Exploring Operation: 95+86=181, Resulting Numbers: [181] 181,91 unequal: No Solution Exploring Operation: 95-86=9, Resulting Numbers: [9] 9,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[79, 20], Operations: ['54+61=115', '115-95=20'] Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[115, 16], Operations: ['54+61=115', '95-79=16'] Exploring Operation: 115+16=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 115-16=99, Resulting Numbers: [99] 99,91 unequal: No Solution No solution found.
0
hs_2
sum_heuristic