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
[ 15, 3, 14, 66 ]
62
[ "15+3=18", "14+66=80", "80-18=62" ]
Current State: 62:[15, 3, 14, 66], Operations: [] Exploring Operation: 15+3=18, Resulting Numbers: [14, 66, 18] Generated Node #2: [14, 66, 18] from Operation: 15+3=18 Current State: 62:[14, 66, 18], Operations: ['15+3=18'] Exploring Operation: 14+66=80, Resulting Numbers: [18, 80] Generated Node #3: [18, 80] from Operation: 14+66=80 Current State: 62:[18, 80], Operations: ['15+3=18', '14+66=80'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[15, 3, 14, 66], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [15, 3, 52] Generated Node #0,0: 62:[15, 3, 52] Operation: 66-14=52 Exploring Operation: 15/3=5, Resulting Numbers: [14, 66, 5] Generated Node #0,1: 62:[14, 66, 5] Operation: 15/3=5 Exploring Operation: 15+14=29, Resulting Numbers: [3, 66, 29] Generated Node #0,2: 62:[3, 66, 29] Operation: 15+14=29 Exploring Operation: 15-14=1, Resulting Numbers: [3, 66, 1] Generated Node #0,3: 62:[3, 66, 1] Operation: 15-14=1 Exploring Operation: 66-15=51, Resulting Numbers: [3, 14, 51] Generated Node #0,4: 62:[3, 14, 51] Operation: 66-15=51 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[3, 66, 1], Operations: ['15-14=1'] Exploring Operation: 3/1=3, Resulting Numbers: [66, 3] Generated Node #0,3,0: 62:[66, 3] Operation: 3/1=3 Exploring Operation: 3-1=2, Resulting Numbers: [66, 2] Generated Node #0,3,1: 62:[66, 2] Operation: 3-1=2 Exploring Operation: 66-1=65, Resulting Numbers: [3, 65] Generated Node #0,3,2: 62:[3, 65] Operation: 66-1=65 Exploring Operation: 66-3=63, Resulting Numbers: [1, 63] Generated Node #0,3,3: 62:[1, 63] Operation: 66-3=63 Exploring Operation: 3*1=3, Resulting Numbers: [66, 3] Generated Node #0,3,4: 62:[66, 3] Operation: 3*1=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 62:[1, 63], Operations: ['15-14=1', '66-3=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[15, 3, 14, 66], Operations: [] Exploring Operation: 15-14=1, Resulting Numbers: [3, 66, 1] Generated Node #0,3: 62:[3, 66, 1] Operation: 15-14=1 Moving to Node #0,3 Current State: 62:[3, 66, 1], Operations: ['15-14=1'] Exploring Operation: 66-3=63, Resulting Numbers: [1, 63] Generated Node #0,3,3: 62:[1, 63] Operation: 66-3=63 Moving to Node #0,3,3 Current State: 62:[1, 63], Operations: ['15-14=1', '66-3=63'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 32, 86, 75, 21 ]
19
[ "75-32=43", "86/43=2", "21-2=19" ]
Current State: 19:[32, 86, 75, 21], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [86, 21, 43] Generated Node #2: [86, 21, 43] from Operation: 75-32=43 Current State: 19:[86, 21, 43], Operations: ['75-32=43'] Exploring Operation: 86/43=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 86/43=2 Current State: 19:[21, 2], Operations: ['75-32=43', '86/43=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[32, 86, 75, 21], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [86, 21, 43] Generated Node #0,0: 19:[86, 21, 43] Operation: 75-32=43 Exploring Operation: 86-32=54, Resulting Numbers: [75, 21, 54] Generated Node #0,1: 19:[75, 21, 54] Operation: 86-32=54 Exploring Operation: 86-75=11, Resulting Numbers: [32, 21, 11] Generated Node #0,2: 19:[32, 21, 11] Operation: 86-75=11 Exploring Operation: 86-21=65, Resulting Numbers: [32, 75, 65] Generated Node #0,3: 19:[32, 75, 65] Operation: 86-21=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[32, 21, 11], Operations: ['86-75=11'] Exploring Operation: 32-11=21, Resulting Numbers: [21, 21] Generated Node #0,2,0: 19:[21, 21] Operation: 32-11=21 Exploring Operation: 32+11=43, Resulting Numbers: [21, 43] Generated Node #0,2,1: 19:[21, 43] Operation: 32+11=43 Exploring Operation: 32-21=11, Resulting Numbers: [11, 11] Generated Node #0,2,2: 19:[11, 11] Operation: 32-21=11 Exploring Operation: 21-11=10, Resulting Numbers: [32, 10] Generated Node #0,2,3: 19:[32, 10] Operation: 21-11=10 Moving to Node #0,2,0 Current State: 19:[21, 21], Operations: ['86-75=11', '32-11=21'] Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,19 unequal: No Solution Exploring Operation: 21*21=441, Resulting Numbers: [441] 441,19 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[11, 11], Operations: ['86-75=11', '32-21=11'] Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,19 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[32, 10], Operations: ['86-75=11', '21-11=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 32*10=320, Resulting Numbers: [320] 320,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[21, 43], Operations: ['86-75=11', '32+11=43'] Exploring Operation: 21+43=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 21*43=903, Resulting Numbers: [903] 903,19 unequal: No Solution Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[86, 21, 43], Operations: ['75-32=43'] Exploring Operation: 86-21=65, Resulting Numbers: [43, 65] Generated Node #0,0,0: 19:[43, 65] Operation: 86-21=65 Exploring Operation: 86-43=43, Resulting Numbers: [21, 43] Generated Node #0,0,1: 19:[21, 43] Operation: 86-43=43 Exploring Operation: 43-21=22, Resulting Numbers: [86, 22] Generated Node #0,0,2: 19:[86, 22] Operation: 43-21=22 Exploring Operation: 86/43=2, Resulting Numbers: [21, 2] Generated Node #0,0,3: 19:[21, 2] Operation: 86/43=2 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 19:[21, 2], Operations: ['75-32=43', '86/43=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,19 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[32, 86, 75, 21], Operations: [] Exploring Operation: 75-32=43, Resulting Numbers: [86, 21, 43] Generated Node #0,0: 19:[86, 21, 43] Operation: 75-32=43 Moving to Node #0,0 Current State: 19:[86, 21, 43], Operations: ['75-32=43'] Exploring Operation: 86/43=2, Resulting Numbers: [21, 2] Generated Node #0,0,3: 19:[21, 2] Operation: 86/43=2 Moving to Node #0,0,3 Current State: 19:[21, 2], Operations: ['75-32=43', '86/43=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 9, 58, 45, 55 ]
18
[ "9+45=54", "58-55=3", "54/3=18" ]
Current State: 18:[9, 58, 45, 55], Operations: [] Exploring Operation: 9+45=54, Resulting Numbers: [58, 55, 54] Generated Node #2: [58, 55, 54] from Operation: 9+45=54 Current State: 18:[58, 55, 54], Operations: ['9+45=54'] Exploring Operation: 58-55=3, Resulting Numbers: [54, 3] Generated Node #3: [54, 3] from Operation: 58-55=3 Current State: 18:[54, 3], Operations: ['9+45=54', '58-55=3'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[9, 58, 45, 55], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [9, 45, 3] Generated Node #0,0: 18:[9, 45, 3] Operation: 58-55=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[9, 45, 3], Operations: ['58-55=3'] Exploring Operation: 45/9=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 18:[3, 5] Operation: 45/9=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[3, 5], Operations: ['58-55=3', '45/9=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 20, 69, 74, 84 ]
71
[ "84-74=10", "20/10=2", "69+2=71" ]
Current State: 71:[20, 69, 74, 84], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [20, 69, 10] Generated Node #2: [20, 69, 10] from Operation: 84-74=10 Current State: 71:[20, 69, 10], Operations: ['84-74=10'] Exploring Operation: 20/10=2, Resulting Numbers: [69, 2] Generated Node #3: [69, 2] from Operation: 20/10=2 Current State: 71:[69, 2], Operations: ['84-74=10', '20/10=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[20, 69, 74, 84], Operations: [] Exploring Operation: 74-20=54, Resulting Numbers: [69, 84, 54] Generated Node #0,0: 71:[69, 84, 54] Operation: 74-20=54 Exploring Operation: 20+69=89, Resulting Numbers: [74, 84, 89] Generated Node #0,1: 71:[74, 84, 89] Operation: 20+69=89 Exploring Operation: 69-20=49, Resulting Numbers: [74, 84, 49] Generated Node #0,2: 71:[74, 84, 49] Operation: 69-20=49 Exploring Operation: 20+74=94, Resulting Numbers: [69, 84, 94] Generated Node #0,3: 71:[69, 84, 94] Operation: 20+74=94 Exploring Operation: 84-20=64, Resulting Numbers: [69, 74, 64] Generated Node #0,4: 71:[69, 74, 64] Operation: 84-20=64 Moving to Node #0,4 Current State: 71:[69, 74, 64], Operations: ['84-20=64'] Exploring Operation: 74-64=10, Resulting Numbers: [69, 10] Generated Node #0,4,0: 71:[69, 10] Operation: 74-64=10 Exploring Operation: 74-69=5, Resulting Numbers: [64, 5] Generated Node #0,4,1: 71:[64, 5] Operation: 74-69=5 Exploring Operation: 69+64=133, Resulting Numbers: [74, 133] Generated Node #0,4,2: 71:[74, 133] Operation: 69+64=133 Exploring Operation: 74+64=138, Resulting Numbers: [69, 138] Generated Node #0,4,3: 71:[69, 138] Operation: 74+64=138 Exploring Operation: 69-64=5, Resulting Numbers: [74, 5] Generated Node #0,4,4: 71:[74, 5] Operation: 69-64=5 Moving to Node #0,0 Current State: 71:[69, 84, 54], Operations: ['74-20=54'] Exploring Operation: 84+54=138, Resulting Numbers: [69, 138] Generated Node #0,0,0: 71:[69, 138] Operation: 84+54=138 Exploring Operation: 84-54=30, Resulting Numbers: [69, 30] Generated Node #0,0,1: 71:[69, 30] Operation: 84-54=30 Exploring Operation: 69+54=123, Resulting Numbers: [84, 123] Generated Node #0,0,2: 71:[84, 123] Operation: 69+54=123 Exploring Operation: 84-69=15, Resulting Numbers: [54, 15] Generated Node #0,0,3: 71:[54, 15] Operation: 84-69=15 Exploring Operation: 69-54=15, Resulting Numbers: [84, 15] Generated Node #0,0,4: 71:[84, 15] Operation: 69-54=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[69, 30], Operations: ['74-20=54', '84-54=30'] Exploring Operation: 69+30=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 69*30=2070, Resulting Numbers: [2070] 2070,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[84, 123], Operations: ['74-20=54', '69+54=123'] Exploring Operation: 84+123=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 123-84=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 84*123=10332, Resulting Numbers: [10332] 10332,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[69, 138], Operations: ['74-20=54', '84+54=138'] Exploring Operation: 69*138=9522, Resulting Numbers: [9522] 9522,71 unequal: No Solution Exploring Operation: 138-69=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 138/69=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 69+138=207, Resulting Numbers: [207] 207,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[84, 15], Operations: ['74-20=54', '69-54=15'] Exploring Operation: 84+15=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 84*15=1260, Resulting Numbers: [1260] 1260,71 unequal: No Solution Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[54, 15], Operations: ['74-20=54', '84-69=15'] Exploring Operation: 54+15=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 54*15=810, Resulting Numbers: [810] 810,71 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,71 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: 71:[74, 84, 89], Operations: ['20+69=89'] Exploring Operation: 84-74=10, Resulting Numbers: [89, 10] Generated Node #0,1,0: 71:[89, 10] Operation: 84-74=10 Exploring Operation: 74+89=163, Resulting Numbers: [84, 163] Generated Node #0,1,1: 71:[84, 163] Operation: 74+89=163 Exploring Operation: 89-84=5, Resulting Numbers: [74, 5] Generated Node #0,1,2: 71:[74, 5] Operation: 89-84=5 Exploring Operation: 89-74=15, Resulting Numbers: [84, 15] Generated Node #0,1,3: 71:[84, 15] Operation: 89-74=15 Exploring Operation: 74+84=158, Resulting Numbers: [89, 158] Generated Node #0,1,4: 71:[89, 158] Operation: 74+84=158 Moving to Node #0,2 Current State: 71:[74, 84, 49], Operations: ['69-20=49'] Exploring Operation: 74+49=123, Resulting Numbers: [84, 123] Generated Node #0,2,0: 71:[84, 123] Operation: 74+49=123 Exploring Operation: 74-49=25, Resulting Numbers: [84, 25] Generated Node #0,2,1: 71:[84, 25] Operation: 74-49=25 Exploring Operation: 84-74=10, Resulting Numbers: [49, 10] Generated Node #0,2,2: 71:[49, 10] Operation: 84-74=10 Exploring Operation: 84+49=133, Resulting Numbers: [74, 133] Generated Node #0,2,3: 71:[74, 133] Operation: 84+49=133 Exploring Operation: 84-49=35, Resulting Numbers: [74, 35] Generated Node #0,2,4: 71:[74, 35] Operation: 84-49=35 Moving to Node #0,3 Current State: 71:[69, 84, 94], Operations: ['20+74=94'] Exploring Operation: 94-69=25, Resulting Numbers: [84, 25] Generated Node #0,3,0: 71:[84, 25] Operation: 94-69=25 Exploring Operation: 84-69=15, Resulting Numbers: [94, 15] Generated Node #0,3,1: 71:[94, 15] Operation: 84-69=15 Exploring Operation: 94-84=10, Resulting Numbers: [69, 10] Generated Node #0,3,2: 71:[69, 10] Operation: 94-84=10 Exploring Operation: 69+84=153, Resulting Numbers: [94, 153] Generated Node #0,3,3: 71:[94, 153] Operation: 69+84=153 Exploring Operation: 69+94=163, Resulting Numbers: [84, 163] Generated Node #0,3,4: 71:[84, 163] Operation: 69+94=163 Moving to Node #0,2,4 Current State: 71:[74, 35], Operations: ['69-20=49', '84-49=35'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[84, 25], Operations: ['69-20=49', '74-49=25'] Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[84, 25], Operations: ['20+74=94', '94-69=25'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,71 unequal: No Solution Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[69, 10], Operations: ['84-20=64', '74-64=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,71 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[69, 10], Operations: ['20+74=94', '94-84=10'] Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,71 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[74, 133], Operations: ['69-20=49', '84+49=133'] Exploring Operation: 74+133=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 133-74=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 74*133=9842, Resulting Numbers: [9842] 9842,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[84, 123], Operations: ['69-20=49', '74+49=123'] Exploring Operation: 84+123=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 84*123=10332, Resulting Numbers: [10332] 10332,71 unequal: No Solution Exploring Operation: 123-84=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[74, 133], Operations: ['84-20=64', '69+64=133'] Exploring Operation: 74*133=9842, Resulting Numbers: [9842] 9842,71 unequal: No Solution Exploring Operation: 74+133=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 133-74=59, Resulting Numbers: [59] 59,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[84, 15], Operations: ['20+69=89', '89-74=15'] Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 84*15=1260, Resulting Numbers: [1260] 1260,71 unequal: No Solution Exploring Operation: 84+15=99, Resulting Numbers: [99] 99,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[69, 138], Operations: ['84-20=64', '74+64=138'] Exploring Operation: 69*138=9522, Resulting Numbers: [9522] 9522,71 unequal: No Solution Exploring Operation: 138-69=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 69+138=207, Resulting Numbers: [207] 207,71 unequal: No Solution Exploring Operation: 138/69=2, Resulting Numbers: [2] 2,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[74, 5], Operations: ['20+69=89', '89-84=5'] Exploring Operation: 74*5=370, Resulting Numbers: [370] 370,71 unequal: No Solution Exploring Operation: 74+5=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[74, 5], Operations: ['84-20=64', '69-64=5'] Exploring Operation: 74+5=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 74*5=370, Resulting Numbers: [370] 370,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[64, 5], Operations: ['84-20=64', '74-69=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[94, 15], Operations: ['20+74=94', '84-69=15'] Exploring Operation: 94+15=109, Resulting Numbers: [109] 109,71 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 94*15=1410, Resulting Numbers: [1410] 1410,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[89, 10], Operations: ['20+69=89', '84-74=10'] Exploring Operation: 89-10=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 89+10=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 89*10=890, Resulting Numbers: [890] 890,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[49, 10], Operations: ['69-20=49', '84-74=10'] Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,71 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[84, 163], Operations: ['20+69=89', '74+89=163'] Exploring Operation: 163-84=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 84+163=247, Resulting Numbers: [247] 247,71 unequal: No Solution Exploring Operation: 84*163=13692, Resulting Numbers: [13692] 13692,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[94, 153], Operations: ['20+74=94', '69+84=153'] Exploring Operation: 94*153=14382, Resulting Numbers: [14382] 14382,71 unequal: No Solution Exploring Operation: 153-94=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 94+153=247, Resulting Numbers: [247] 247,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[89, 158], Operations: ['20+69=89', '74+84=158'] Exploring Operation: 89+158=247, Resulting Numbers: [247] 247,71 unequal: No Solution Exploring Operation: 158-89=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 89*158=14062, Resulting Numbers: [14062] 14062,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[84, 163], Operations: ['20+74=94', '69+94=163'] Exploring Operation: 163-84=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 84*163=13692, Resulting Numbers: [13692] 13692,71 unequal: No Solution Exploring Operation: 84+163=247, Resulting Numbers: [247] 247,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 82, 94, 2, 41 ]
65
[ "94-82=12", "2*12=24", "41+24=65" ]
Current State: 65:[82, 94, 2, 41], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [2, 41, 12] Generated Node #2: [2, 41, 12] from Operation: 94-82=12 Current State: 65:[2, 41, 12], Operations: ['94-82=12'] Exploring Operation: 2*12=24, Resulting Numbers: [41, 24] Generated Node #3: [41, 24] from Operation: 2*12=24 Current State: 65:[41, 24], Operations: ['94-82=12', '2*12=24'] Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[82, 94, 2, 41], Operations: [] Exploring Operation: 94-82=12, Resulting Numbers: [2, 41, 12] Generated Node #0,0: 65:[2, 41, 12] Operation: 94-82=12 Exploring Operation: 94-41=53, Resulting Numbers: [82, 2, 53] Generated Node #0,1: 65:[82, 2, 53] Operation: 94-41=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[2, 41, 12], Operations: ['94-82=12'] Exploring Operation: 41+12=53, Resulting Numbers: [2, 53] Generated Node #0,0,0: 65:[2, 53] Operation: 41+12=53 Exploring Operation: 2*41=82, Resulting Numbers: [12, 82] Generated Node #0,0,1: 65:[12, 82] Operation: 2*41=82 Moving to Node #0,0,0 Current State: 65:[2, 53], Operations: ['94-82=12', '41+12=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[12, 82], Operations: ['94-82=12', '2*41=82'] Exploring Operation: 12+82=94, Resulting Numbers: [94] 94,65 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[82, 2, 53], Operations: ['94-41=53'] Exploring Operation: 82-53=29, Resulting Numbers: [2, 29] Generated Node #0,1,0: 65:[2, 29] Operation: 82-53=29 Exploring Operation: 82-2=80, Resulting Numbers: [53, 80] Generated Node #0,1,1: 65:[53, 80] Operation: 82-2=80 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[2, 29], Operations: ['94-41=53', '82-53=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[53, 80], Operations: ['94-41=53', '82-2=80'] Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 53+80=133, Resulting Numbers: [133] 133,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 32, 90, 94, 86 ]
78
[ "94-90=4", "32/4=8", "86-8=78" ]
Current State: 78:[32, 90, 94, 86], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [32, 86, 4] Generated Node #2: [32, 86, 4] from Operation: 94-90=4 Current State: 78:[32, 86, 4], Operations: ['94-90=4'] Exploring Operation: 32/4=8, Resulting Numbers: [86, 8] Generated Node #3: [86, 8] from Operation: 32/4=8 Current State: 78:[86, 8], Operations: ['94-90=4', '32/4=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[32, 90, 94, 86], Operations: [] Exploring Operation: 94-86=8, Resulting Numbers: [32, 90, 8] Generated Node #0,0: 78:[32, 90, 8] Operation: 94-86=8 Exploring Operation: 94-90=4, Resulting Numbers: [32, 86, 4] Generated Node #0,1: 78:[32, 86, 4] Operation: 94-90=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[32, 86, 4], Operations: ['94-90=4'] Exploring Operation: 32-4=28, Resulting Numbers: [86, 28] Generated Node #0,1,0: 78:[86, 28] Operation: 32-4=28 Exploring Operation: 32/4=8, Resulting Numbers: [86, 8] Generated Node #0,1,1: 78:[86, 8] Operation: 32/4=8 Moving to Node #0,1,0 Current State: 78:[86, 28], Operations: ['94-90=4', '32-4=28'] Exploring Operation: 86-28=58, Resulting Numbers: [58] 58,78 unequal: No Solution Exploring Operation: 86+28=114, Resulting Numbers: [114] 114,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[86, 8], Operations: ['94-90=4', '32/4=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[32, 90, 94, 86], Operations: [] Exploring Operation: 94-90=4, Resulting Numbers: [32, 86, 4] Generated Node #0,1: 78:[32, 86, 4] Operation: 94-90=4 Moving to Node #0,1 Current State: 78:[32, 86, 4], Operations: ['94-90=4'] Exploring Operation: 32/4=8, Resulting Numbers: [86, 8] Generated Node #0,1,1: 78:[86, 8] Operation: 32/4=8 Moving to Node #0,1,1 Current State: 78:[86, 8], Operations: ['94-90=4', '32/4=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 29, 84, 71, 41 ]
57
[ "84-29=55", "71+41=112", "112-55=57" ]
Current State: 57:[29, 84, 71, 41], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [71, 41, 55] Generated Node #2: [71, 41, 55] from Operation: 84-29=55 Current State: 57:[71, 41, 55], Operations: ['84-29=55'] Exploring Operation: 71+41=112, Resulting Numbers: [55, 112] Generated Node #3: [55, 112] from Operation: 71+41=112 Current State: 57:[55, 112], Operations: ['84-29=55', '71+41=112'] Exploring Operation: 112-55=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[29, 84, 71, 41], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [71, 41, 55] Generated Node #0,0: 57:[71, 41, 55] Operation: 84-29=55 Exploring Operation: 84-71=13, Resulting Numbers: [29, 41, 13] Generated Node #0,1: 57:[29, 41, 13] Operation: 84-71=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[71, 41, 55], Operations: ['84-29=55'] Exploring Operation: 71-55=16, Resulting Numbers: [41, 16] Generated Node #0,0,0: 57:[41, 16] Operation: 71-55=16 Exploring Operation: 71-41=30, Resulting Numbers: [55, 30] Generated Node #0,0,1: 57:[55, 30] Operation: 71-41=30 Moving to Node #0,0,1 Current State: 57:[55, 30], Operations: ['84-29=55', '71-41=30'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[41, 16], Operations: ['84-29=55', '71-55=16'] Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[29, 84, 71, 41], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [71, 41, 55] Generated Node #0,0: 57:[71, 41, 55] Operation: 84-29=55 Moving to Node #0,0 Current State: 57:[71, 41, 55], Operations: ['84-29=55'] Exploring Operation: 71-55=16, Resulting Numbers: [41, 16] Generated Node #0,0,0: 57:[41, 16] Operation: 71-55=16 Moving to Node #0,0,0 Current State: 57:[41, 16], Operations: ['84-29=55', '71-55=16'] Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 83, 53, 41, 25 ]
96
[ "83-53=30", "41+25=66", "30+66=96" ]
Current State: 96:[83, 53, 41, 25], Operations: [] Exploring Operation: 83-53=30, Resulting Numbers: [41, 25, 30] Generated Node #2: [41, 25, 30] from Operation: 83-53=30 Current State: 96:[41, 25, 30], Operations: ['83-53=30'] Exploring Operation: 41+25=66, Resulting Numbers: [30, 66] Generated Node #3: [30, 66] from Operation: 41+25=66 Current State: 96:[30, 66], Operations: ['83-53=30', '41+25=66'] Exploring Operation: 30+66=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[83, 53, 41, 25], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [83, 25, 12] Generated Node #0,0: 96:[83, 25, 12] Operation: 53-41=12 Exploring Operation: 83-53=30, Resulting Numbers: [41, 25, 30] Generated Node #0,1: 96:[41, 25, 30] Operation: 83-53=30 Exploring Operation: 83-41=42, Resulting Numbers: [53, 25, 42] Generated Node #0,2: 96:[53, 25, 42] Operation: 83-41=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[41, 25, 30], Operations: ['83-53=30'] Exploring Operation: 30-25=5, Resulting Numbers: [41, 5] Generated Node #0,1,0: 96:[41, 5] Operation: 30-25=5 Exploring Operation: 41-30=11, Resulting Numbers: [25, 11] Generated Node #0,1,1: 96:[25, 11] Operation: 41-30=11 Exploring Operation: 41-25=16, Resulting Numbers: [30, 16] Generated Node #0,1,2: 96:[30, 16] Operation: 41-25=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[25, 11], Operations: ['83-53=30', '41-30=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,96 unequal: No Solution No 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: 96:[30, 16], Operations: ['83-53=30', '41-25=16'] Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,96 unequal: No Solution Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,96 unequal: No Solution No 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: 96:[41, 5], Operations: ['83-53=30', '30-25=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,96 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,96 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,96 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: 96:[53, 25, 42], Operations: ['83-41=42'] Exploring Operation: 53-42=11, Resulting Numbers: [25, 11] Generated Node #0,2,0: 96:[25, 11] Operation: 53-42=11 Exploring Operation: 42-25=17, Resulting Numbers: [53, 17] Generated Node #0,2,1: 96:[53, 17] Operation: 42-25=17 Exploring Operation: 53+42=95, Resulting Numbers: [25, 95] Generated Node #0,2,2: 96:[25, 95] Operation: 53+42=95 Moving to Node #0,2,0 Current State: 96:[25, 11], Operations: ['83-41=42', '53-42=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,96 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[25, 95], Operations: ['83-41=42', '53+42=95'] Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,96 unequal: No Solution Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,96 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[53, 17], Operations: ['83-41=42', '42-25=17'] Exploring Operation: 53+17=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 53-17=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 53*17=901, Resulting Numbers: [901] 901,96 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 Current State: 96:[83, 25, 12], Operations: ['53-41=12'] Exploring Operation: 83+25=108, Resulting Numbers: [12, 108] Generated Node #0,0,0: 96:[12, 108] Operation: 83+25=108 Exploring Operation: 83-25=58, Resulting Numbers: [12, 58] Generated Node #0,0,1: 96:[12, 58] Operation: 83-25=58 Exploring Operation: 83+12=95, Resulting Numbers: [25, 95] Generated Node #0,0,2: 96:[25, 95] Operation: 83+12=95 Moving to Node #0,0,2 Current State: 96:[25, 95], Operations: ['53-41=12', '83+12=95'] Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,96 unequal: No Solution Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,96 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[12, 58], Operations: ['53-41=12', '83-25=58'] Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,96 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[12, 108], Operations: ['53-41=12', '83+25=108'] Exploring Operation: 108/12=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 12+108=120, Resulting Numbers: [120] 120,96 unequal: No Solution Exploring Operation: 108-12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[83, 53, 41, 25], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [83, 25, 12] Generated Node #0,0: 96:[83, 25, 12] Operation: 53-41=12 Moving to Node #0,0 Current State: 96:[83, 25, 12], Operations: ['53-41=12'] Exploring Operation: 83+25=108, Resulting Numbers: [12, 108] Generated Node #0,0,0: 96:[12, 108] Operation: 83+25=108 Moving to Node #0,0,0 Current State: 96:[12, 108], Operations: ['53-41=12', '83+25=108'] Exploring Operation: 108-12=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_3
mult_heuristic
[ 99, 15, 88, 47 ]
11
[ "99*15=1485", "88+47=135", "1485/135=11" ]
Current State: 11:[99, 15, 88, 47], Operations: [] Exploring Operation: 99*15=1485, Resulting Numbers: [88, 47, 1485] Generated Node #2: [88, 47, 1485] from Operation: 99*15=1485 Current State: 11:[88, 47, 1485], Operations: ['99*15=1485'] Exploring Operation: 88+47=135, Resulting Numbers: [1485, 135] Generated Node #3: [1485, 135] from Operation: 88+47=135 Current State: 11:[1485, 135], Operations: ['99*15=1485', '88+47=135'] Exploring Operation: 1485/135=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[99, 15, 88, 47], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [15, 47, 11] Generated Node #0,0: 11:[15, 47, 11] Operation: 99-88=11 Exploring Operation: 88-47=41, Resulting Numbers: [99, 15, 41] Generated Node #0,1: 11:[99, 15, 41] Operation: 88-47=41 Exploring Operation: 99-15=84, Resulting Numbers: [88, 47, 84] Generated Node #0,2: 11:[88, 47, 84] Operation: 99-15=84 Exploring Operation: 99-47=52, Resulting Numbers: [15, 88, 52] Generated Node #0,3: 11:[15, 88, 52] Operation: 99-47=52 Moving to Node #0,0 Current State: 11:[15, 47, 11], Operations: ['99-88=11'] Exploring Operation: 47-11=36, Resulting Numbers: [15, 36] Generated Node #0,0,0: 11:[15, 36] Operation: 47-11=36 Exploring Operation: 47-15=32, Resulting Numbers: [11, 32] Generated Node #0,0,1: 11:[11, 32] Operation: 47-15=32 Exploring Operation: 15+47=62, Resulting Numbers: [11, 62] Generated Node #0,0,2: 11:[11, 62] Operation: 15+47=62 Exploring Operation: 15-11=4, Resulting Numbers: [47, 4] Generated Node #0,0,3: 11:[47, 4] Operation: 15-11=4 Moving to Node #0,3 Current State: 11:[15, 88, 52], Operations: ['99-47=52'] Exploring Operation: 15+88=103, Resulting Numbers: [52, 103] Generated Node #0,3,0: 11:[52, 103] Operation: 15+88=103 Exploring Operation: 88-52=36, Resulting Numbers: [15, 36] Generated Node #0,3,1: 11:[15, 36] Operation: 88-52=36 Exploring Operation: 52-15=37, Resulting Numbers: [88, 37] Generated Node #0,3,2: 11:[88, 37] Operation: 52-15=37 Exploring Operation: 88-15=73, Resulting Numbers: [52, 73] Generated Node #0,3,3: 11:[52, 73] Operation: 88-15=73 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[15, 36], Operations: ['99-47=52', '88-52=36'] Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,11 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[88, 37], Operations: ['99-47=52', '52-15=37'] Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,11 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,11 unequal: No Solution No 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: 11:[52, 73], Operations: ['99-47=52', '88-15=73'] Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 52*73=3796, Resulting Numbers: [3796] 3796,11 unequal: No Solution Exploring Operation: 52+73=125, Resulting Numbers: [125] 125,11 unequal: No Solution No 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: 11:[52, 103], Operations: ['99-47=52', '15+88=103'] Exploring Operation: 52+103=155, Resulting Numbers: [155] 155,11 unequal: No Solution Exploring Operation: 52*103=5356, Resulting Numbers: [5356] 5356,11 unequal: No Solution Exploring Operation: 103-52=51, Resulting Numbers: [51] 51,11 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: 11:[99, 15, 41], Operations: ['88-47=41'] Exploring Operation: 99-15=84, Resulting Numbers: [41, 84] Generated Node #0,1,0: 11:[41, 84] Operation: 99-15=84 Exploring Operation: 41-15=26, Resulting Numbers: [99, 26] Generated Node #0,1,1: 11:[99, 26] Operation: 41-15=26 Exploring Operation: 99-41=58, Resulting Numbers: [15, 58] Generated Node #0,1,2: 11:[15, 58] Operation: 99-41=58 Exploring Operation: 99+15=114, Resulting Numbers: [41, 114] Generated Node #0,1,3: 11:[41, 114] Operation: 99+15=114 Moving to Node #0,2 Current State: 11:[88, 47, 84], Operations: ['99-15=84'] Exploring Operation: 88+47=135, Resulting Numbers: [84, 135] Generated Node #0,2,0: 11:[84, 135] Operation: 88+47=135 Exploring Operation: 84-47=37, Resulting Numbers: [88, 37] Generated Node #0,2,1: 11:[88, 37] Operation: 84-47=37 Exploring Operation: 88-47=41, Resulting Numbers: [84, 41] Generated Node #0,2,2: 11:[84, 41] Operation: 88-47=41 Exploring Operation: 88-84=4, Resulting Numbers: [47, 4] Generated Node #0,2,3: 11:[47, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 11:[47, 4], Operations: ['99-15=84', '88-84=4'] Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,11 unequal: No Solution No 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: 11:[88, 37], Operations: ['99-15=84', '84-47=37'] Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,11 unequal: No Solution No 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: 11:[84, 41], Operations: ['99-15=84', '88-47=41'] Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,11 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,11 unequal: No Solution No 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: 11:[84, 135], Operations: ['99-15=84', '88+47=135'] Exploring Operation: 135-84=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 84*135=11340, Resulting Numbers: [11340] 11340,11 unequal: No Solution Exploring Operation: 84+135=219, Resulting Numbers: [219] 219,11 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: 11:[11, 32], Operations: ['99-88=11', '47-15=32'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,11 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[15, 36], Operations: ['99-88=11', '47-11=36'] Exploring Operation: 15*36=540, Resulting Numbers: [540] 540,11 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,11 unequal: No Solution Exploring Operation: 15+36=51, Resulting Numbers: [51] 51,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[47, 4], Operations: ['99-88=11', '15-11=4'] Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,11 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[15, 58], Operations: ['88-47=41', '99-41=58'] Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,11 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[11, 62], Operations: ['99-88=11', '15+47=62'] Exploring Operation: 11*62=682, Resulting Numbers: [682] 682,11 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 11+62=73, Resulting Numbers: [73] 73,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[41, 84], Operations: ['88-47=41', '99-15=84'] Exploring Operation: 41+84=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 41*84=3444, Resulting Numbers: [3444] 3444,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[99, 26], Operations: ['88-47=41', '41-15=26'] Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,11 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,11 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[41, 114], Operations: ['88-47=41', '99+15=114'] Exploring Operation: 41+114=155, Resulting Numbers: [155] 155,11 unequal: No Solution Exploring Operation: 41*114=4674, Resulting Numbers: [4674] 4674,11 unequal: No Solution Exploring Operation: 114-41=73, Resulting Numbers: [73] 73,11 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 10, 54, 2, 42 ]
40
[ "54-10=44", "2*42=84", "84-44=40" ]
Current State: 40:[10, 54, 2, 42], Operations: [] Exploring Operation: 54-10=44, Resulting Numbers: [2, 42, 44] Generated Node #2: [2, 42, 44] from Operation: 54-10=44 Current State: 40:[2, 42, 44], Operations: ['54-10=44'] Exploring Operation: 2*42=84, Resulting Numbers: [44, 84] Generated Node #3: [44, 84] from Operation: 2*42=84 Current State: 40:[44, 84], Operations: ['54-10=44', '2*42=84'] Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[10, 54, 2, 42], Operations: [] Exploring Operation: 54-42=12, Resulting Numbers: [10, 2, 12] Generated Node #0,0: 40:[10, 2, 12] Operation: 54-42=12 Exploring Operation: 54-10=44, Resulting Numbers: [2, 42, 44] Generated Node #0,1: 40:[2, 42, 44] Operation: 54-10=44 Moving to Node #0,0 Current State: 40:[10, 2, 12], Operations: ['54-42=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 40:[2, 2] Operation: 12-10=2 Exploring Operation: 12-2=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 40:[10, 10] Operation: 12-2=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[2, 2], Operations: ['54-42=12', '12-10=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 40:[10, 10], Operations: ['54-42=12', '12-2=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,40 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 40:[2, 42, 44], Operations: ['54-10=44'] Exploring Operation: 44-42=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 40:[2, 2] Operation: 44-42=2 Exploring Operation: 42-2=40, Resulting Numbers: [44, 40] Generated Node #0,1,1: 40:[44, 40] Operation: 42-2=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[2, 2], Operations: ['54-10=44', '44-42=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[44, 40], Operations: ['54-10=44', '42-2=40'] Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,40 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,40 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
[ 16, 37, 55, 44 ]
32
[ "37-16=21", "55-44=11", "21+11=32" ]
Current State: 32:[16, 37, 55, 44], Operations: [] Exploring Operation: 37-16=21, Resulting Numbers: [55, 44, 21] Generated Node #2: [55, 44, 21] from Operation: 37-16=21 Current State: 32:[55, 44, 21], Operations: ['37-16=21'] Exploring Operation: 55-44=11, Resulting Numbers: [21, 11] Generated Node #3: [21, 11] from Operation: 55-44=11 Current State: 32:[21, 11], Operations: ['37-16=21', '55-44=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[16, 37, 55, 44], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [16, 44, 18] Generated Node #0,0: 32:[16, 44, 18] Operation: 55-37=18 Exploring Operation: 55-44=11, Resulting Numbers: [16, 37, 11] Generated Node #0,1: 32:[16, 37, 11] Operation: 55-44=11 Moving to Node #0,1 Current State: 32:[16, 37, 11], Operations: ['55-44=11'] Exploring Operation: 37-11=26, Resulting Numbers: [16, 26] Generated Node #0,1,0: 32:[16, 26] Operation: 37-11=26 Exploring Operation: 16-11=5, Resulting Numbers: [37, 5] Generated Node #0,1,1: 32:[37, 5] Operation: 16-11=5 Moving to Node #0,0 Current State: 32:[16, 44, 18], Operations: ['55-37=18'] Exploring Operation: 44-18=26, Resulting Numbers: [16, 26] Generated Node #0,0,0: 32:[16, 26] Operation: 44-18=26 Exploring Operation: 44-16=28, Resulting Numbers: [18, 28] Generated Node #0,0,1: 32:[18, 28] Operation: 44-16=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[16, 26], Operations: ['55-37=18', '44-18=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,32 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 #0,0,1 Current State: 32:[18, 28], Operations: ['55-37=18', '44-16=28'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 18+28=46, Resulting Numbers: [46] 46,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 32:[16, 26], Operations: ['55-44=11', '37-11=26'] Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[37, 5], Operations: ['55-44=11', '16-11=5'] Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,32 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[16, 37, 55, 44], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [16, 37, 11] Generated Node #0,1: 32:[16, 37, 11] Operation: 55-44=11 Moving to Node #0,1 Current State: 32:[16, 37, 11], Operations: ['55-44=11'] Exploring Operation: 16-11=5, Resulting Numbers: [37, 5] Generated Node #0,1,1: 32:[37, 5] Operation: 16-11=5 Moving to Node #0,1,1 Current State: 32:[37, 5], Operations: ['55-44=11', '16-11=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 66, 42, 94, 4 ]
70
[ "94-66=28", "4*28=112", "112-42=70" ]
Current State: 70:[66, 42, 94, 4], Operations: [] Exploring Operation: 94-66=28, Resulting Numbers: [42, 4, 28] Generated Node #2: [42, 4, 28] from Operation: 94-66=28 Current State: 70:[42, 4, 28], Operations: ['94-66=28'] Exploring Operation: 4*28=112, Resulting Numbers: [42, 112] Generated Node #3: [42, 112] from Operation: 4*28=112 Current State: 70:[42, 112], Operations: ['94-66=28', '4*28=112'] Exploring Operation: 112-42=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[66, 42, 94, 4], Operations: [] Exploring Operation: 42-4=38, Resulting Numbers: [66, 94, 38] Generated Node #0,0: 70:[66, 94, 38] Operation: 42-4=38 Exploring Operation: 94-42=52, Resulting Numbers: [66, 4, 52] Generated Node #0,1: 70:[66, 4, 52] Operation: 94-42=52 Exploring Operation: 94-66=28, Resulting Numbers: [42, 4, 28] Generated Node #0,2: 70:[42, 4, 28] Operation: 94-66=28 Exploring Operation: 66+4=70, Resulting Numbers: [42, 94, 70] Generated Node #0,3: 70:[42, 94, 70] Operation: 66+4=70 Moving to Node #0,2 Current State: 70:[42, 4, 28], Operations: ['94-66=28'] Exploring Operation: 42-4=38, Resulting Numbers: [28, 38] Generated Node #0,2,0: 70:[28, 38] Operation: 42-4=38 Exploring Operation: 42+28=70, Resulting Numbers: [4, 70] Generated Node #0,2,1: 70:[4, 70] Operation: 42+28=70 Exploring Operation: 28/4=7, Resulting Numbers: [42, 7] Generated Node #0,2,2: 70:[42, 7] Operation: 28/4=7 Exploring Operation: 42-28=14, Resulting Numbers: [4, 14] Generated Node #0,2,3: 70:[4, 14] Operation: 42-28=14 Moving to Node #0,1 Current State: 70:[66, 4, 52], Operations: ['94-42=52'] Exploring Operation: 52/4=13, Resulting Numbers: [66, 13] Generated Node #0,1,0: 70:[66, 13] Operation: 52/4=13 Exploring Operation: 52-4=48, Resulting Numbers: [66, 48] Generated Node #0,1,1: 70:[66, 48] Operation: 52-4=48 Exploring Operation: 66-52=14, Resulting Numbers: [4, 14] Generated Node #0,1,2: 70:[4, 14] Operation: 66-52=14 Exploring Operation: 66+4=70, Resulting Numbers: [52, 70] Generated Node #0,1,3: 70:[52, 70] Operation: 66+4=70 Moving to Node #0,3 Current State: 70:[42, 94, 70], Operations: ['66+4=70'] Exploring Operation: 94-42=52, Resulting Numbers: [70, 52] Generated Node #0,3,0: 70:[70, 52] Operation: 94-42=52 Exploring Operation: 70-42=28, Resulting Numbers: [94, 28] Generated Node #0,3,1: 70:[94, 28] Operation: 70-42=28 Exploring Operation: 94-70=24, Resulting Numbers: [42, 24] Generated Node #0,3,2: 70:[42, 24] Operation: 94-70=24 Exploring Operation: 42+94=136, Resulting Numbers: [70, 136] Generated Node #0,3,3: 70:[70, 136] Operation: 42+94=136 Moving to Node #0,0 Current State: 70:[66, 94, 38], Operations: ['42-4=38'] Exploring Operation: 66-38=28, Resulting Numbers: [94, 28] Generated Node #0,0,0: 70:[94, 28] Operation: 66-38=28 Exploring Operation: 94-38=56, Resulting Numbers: [66, 56] Generated Node #0,0,1: 70:[66, 56] Operation: 94-38=56 Exploring Operation: 66+38=104, Resulting Numbers: [94, 104] Generated Node #0,0,2: 70:[94, 104] Operation: 66+38=104 Exploring Operation: 94-66=28, Resulting Numbers: [38, 28] Generated Node #0,0,3: 70:[38, 28] Operation: 94-66=28 Moving to Node #0,2,1 Current State: 70:[4, 70], Operations: ['94-66=28', '42+28=70'] Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 4+70=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 4*70=280, Resulting Numbers: [280] 280,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[4, 14], Operations: ['94-66=28', '42-28=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[4, 14], Operations: ['94-42=52', '66-52=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[66, 13], Operations: ['94-42=52', '52/4=13'] Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,70 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[42, 7], Operations: ['94-66=28', '28/4=7'] Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 42*7=294, Resulting Numbers: [294] 294,70 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,70 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[38, 28], Operations: ['42-4=38', '94-66=28'] Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,70 unequal: No Solution Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[28, 38], Operations: ['94-66=28', '42-4=38'] Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,70 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[66, 48], Operations: ['94-42=52', '52-4=48'] Exploring Operation: 66+48=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 66-48=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 66*48=3168, Resulting Numbers: [3168] 3168,70 unequal: No Solution Moving to Node #0,3,2 Current State: 70:[42, 24], Operations: ['66+4=70', '94-70=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,70 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,70 unequal: No Solution Moving to Node #0,3,0 Current State: 70:[70, 52], Operations: ['66+4=70', '94-42=52'] Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 70+52=122, Resulting Numbers: [122] 122,70 unequal: No Solution Exploring Operation: 70*52=3640, Resulting Numbers: [3640] 3640,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[52, 70], Operations: ['94-42=52', '66+4=70'] Exploring Operation: 52*70=3640, Resulting Numbers: [3640] 3640,70 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 52+70=122, Resulting Numbers: [122] 122,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[66, 56], Operations: ['42-4=38', '94-38=56'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,70 unequal: No Solution Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,70 unequal: No Solution Moving to Node #0,3,1 Current State: 70:[94, 28], Operations: ['66+4=70', '70-42=28'] Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,70 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[94, 28], Operations: ['42-4=38', '66-38=28'] Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,70 unequal: No Solution Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,70 unequal: No Solution Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[94, 104], Operations: ['42-4=38', '66+38=104'] Exploring Operation: 94+104=198, Resulting Numbers: [198] 198,70 unequal: No Solution Exploring Operation: 104-94=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 94*104=9776, Resulting Numbers: [9776] 9776,70 unequal: No Solution Moving to Node #0,3,3 Current State: 70:[70, 136], Operations: ['66+4=70', '42+94=136'] Exploring Operation: 136-70=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 70+136=206, Resulting Numbers: [206] 206,70 unequal: No Solution Exploring Operation: 70*136=9520, Resulting Numbers: [9520] 9520,70 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 19, 34, 27, 59 ]
85
[ "19+34=53", "59-27=32", "53+32=85" ]
Current State: 85:[19, 34, 27, 59], Operations: [] Exploring Operation: 19+34=53, Resulting Numbers: [27, 59, 53] Generated Node #2: [27, 59, 53] from Operation: 19+34=53 Current State: 85:[27, 59, 53], Operations: ['19+34=53'] Exploring Operation: 59-27=32, Resulting Numbers: [53, 32] Generated Node #3: [53, 32] from Operation: 59-27=32 Current State: 85:[53, 32], Operations: ['19+34=53', '59-27=32'] Exploring Operation: 53+32=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[19, 34, 27, 59], Operations: [] Exploring Operation: 34+59=93, Resulting Numbers: [19, 27, 93] Generated Node #0,0: 85:[19, 27, 93] Operation: 34+59=93 Moving to Node #0,0 Current State: 85:[19, 27, 93], Operations: ['34+59=93'] Exploring Operation: 27-19=8, Resulting Numbers: [93, 8] Generated Node #0,0,0: 85:[93, 8] Operation: 27-19=8 Moving to Node #0,0,0 Current State: 85:[93, 8], Operations: ['34+59=93', '27-19=8'] Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[19, 34, 27, 59], Operations: [] Exploring Operation: 34+59=93, Resulting Numbers: [19, 27, 93] Generated Node #0,0: 85:[19, 27, 93] Operation: 34+59=93 Moving to Node #0,0 Current State: 85:[19, 27, 93], Operations: ['34+59=93'] Exploring Operation: 27-19=8, Resulting Numbers: [93, 8] Generated Node #0,0,0: 85:[93, 8] Operation: 27-19=8 Moving to Node #0,0,0 Current State: 85:[93, 8], Operations: ['34+59=93', '27-19=8'] Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 41, 2, 4, 33 ]
80
[ "41+2=43", "4+33=37", "43+37=80" ]
Current State: 80:[41, 2, 4, 33], Operations: [] Exploring Operation: 41+2=43, Resulting Numbers: [4, 33, 43] Generated Node #2: [4, 33, 43] from Operation: 41+2=43 Current State: 80:[4, 33, 43], Operations: ['41+2=43'] Exploring Operation: 4+33=37, Resulting Numbers: [43, 37] Generated Node #3: [43, 37] from Operation: 4+33=37 Current State: 80:[43, 37], Operations: ['41+2=43', '4+33=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[41, 2, 4, 33], Operations: [] Exploring Operation: 41-33=8, Resulting Numbers: [2, 4, 8] Generated Node #0,0: 80:[2, 4, 8] Operation: 41-33=8 Exploring Operation: 4+33=37, Resulting Numbers: [41, 2, 37] Generated Node #0,1: 80:[41, 2, 37] Operation: 4+33=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[2, 4, 8], Operations: ['41-33=8'] Exploring Operation: 2*4=8, Resulting Numbers: [8, 8] Generated Node #0,0,0: 80:[8, 8] Operation: 2*4=8 Exploring Operation: 4-2=2, Resulting Numbers: [8, 2] Generated Node #0,0,1: 80:[8, 2] Operation: 4-2=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[8, 8], Operations: ['41-33=8', '2*4=8'] Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[8, 2], Operations: ['41-33=8', '4-2=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,80 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: 80:[41, 2, 37], Operations: ['4+33=37'] Exploring Operation: 41-37=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 80:[2, 4] Operation: 41-37=4 Exploring Operation: 41+37=78, Resulting Numbers: [2, 78] Generated Node #0,1,1: 80:[2, 78] Operation: 41+37=78 Moving to Node #0,1,0 Current State: 80:[2, 4], Operations: ['4+33=37', '41-37=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[2, 78], Operations: ['4+33=37', '41+37=78'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,80 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[41, 2, 4, 33], Operations: [] Exploring Operation: 4+33=37, Resulting Numbers: [41, 2, 37] Generated Node #0,1: 80:[41, 2, 37] Operation: 4+33=37 Moving to Node #0,1 Current State: 80:[41, 2, 37], Operations: ['4+33=37'] Exploring Operation: 41+37=78, Resulting Numbers: [2, 78] Generated Node #0,1,1: 80:[2, 78] Operation: 41+37=78 Moving to Node #0,1,1 Current State: 80:[2, 78], Operations: ['4+33=37', '41+37=78'] Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 88, 38, 51, 84 ]
17
[ "88-38=50", "84-51=33", "50-33=17" ]
Current State: 17:[88, 38, 51, 84], Operations: [] Exploring Operation: 88-38=50, Resulting Numbers: [51, 84, 50] Generated Node #2: [51, 84, 50] from Operation: 88-38=50 Current State: 17:[51, 84, 50], Operations: ['88-38=50'] Exploring Operation: 84-51=33, Resulting Numbers: [50, 33] Generated Node #3: [50, 33] from Operation: 84-51=33 Current State: 17:[50, 33], Operations: ['88-38=50', '84-51=33'] Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[88, 38, 51, 84], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [88, 38, 33] Generated Node #0,0: 17:[88, 38, 33] Operation: 84-51=33 Exploring Operation: 88-51=37, Resulting Numbers: [38, 84, 37] Generated Node #0,1: 17:[38, 84, 37] Operation: 88-51=37 Exploring Operation: 88-84=4, Resulting Numbers: [38, 51, 4] Generated Node #0,2: 17:[38, 51, 4] Operation: 88-84=4 Exploring Operation: 88-38=50, Resulting Numbers: [51, 84, 50] Generated Node #0,3: 17:[51, 84, 50] Operation: 88-38=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[38, 51, 4], Operations: ['88-84=4'] Exploring Operation: 38+4=42, Resulting Numbers: [51, 42] Generated Node #0,2,0: 17:[51, 42] Operation: 38+4=42 Exploring Operation: 38-4=34, Resulting Numbers: [51, 34] Generated Node #0,2,1: 17:[51, 34] Operation: 38-4=34 Exploring Operation: 51-4=47, Resulting Numbers: [38, 47] Generated Node #0,2,2: 17:[38, 47] Operation: 51-4=47 Exploring Operation: 51-38=13, Resulting Numbers: [4, 13] Generated Node #0,2,3: 17:[4, 13] Operation: 51-38=13 Moving to Node #0,2,3 Current State: 17:[4, 13], Operations: ['88-84=4', '51-38=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,17 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[88, 38, 51, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [38, 51, 4] Generated Node #0,2: 17:[38, 51, 4] Operation: 88-84=4 Moving to Node #0,2 Current State: 17:[38, 51, 4], Operations: ['88-84=4'] Exploring Operation: 51-38=13, Resulting Numbers: [4, 13] Generated Node #0,2,3: 17:[4, 13] Operation: 51-38=13 Moving to Node #0,2,3 Current State: 17:[4, 13], Operations: ['88-84=4', '51-38=13'] Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 71, 84, 25, 66 ]
28
[ "84-71=13", "66-25=41", "41-13=28" ]
Current State: 28:[71, 84, 25, 66], Operations: [] Exploring Operation: 84-71=13, Resulting Numbers: [25, 66, 13] Generated Node #2: [25, 66, 13] from Operation: 84-71=13 Current State: 28:[25, 66, 13], Operations: ['84-71=13'] Exploring Operation: 66-25=41, Resulting Numbers: [13, 41] Generated Node #3: [13, 41] from Operation: 66-25=41 Current State: 28:[13, 41], Operations: ['84-71=13', '66-25=41'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[71, 84, 25, 66], Operations: [] Exploring Operation: 71-66=5, Resulting Numbers: [84, 25, 5] Generated Node #0,0: 28:[84, 25, 5] Operation: 71-66=5 Exploring Operation: 71-25=46, Resulting Numbers: [84, 66, 46] Generated Node #0,1: 28:[84, 66, 46] Operation: 71-25=46 Exploring Operation: 84-71=13, Resulting Numbers: [25, 66, 13] Generated Node #0,2: 28:[25, 66, 13] Operation: 84-71=13 Exploring Operation: 84-66=18, Resulting Numbers: [71, 25, 18] Generated Node #0,3: 28:[71, 25, 18] Operation: 84-66=18 Exploring Operation: 84-25=59, Resulting Numbers: [71, 66, 59] Generated Node #0,4: 28:[71, 66, 59] Operation: 84-25=59 Moving to Node #0,2 Current State: 28:[25, 66, 13], Operations: ['84-71=13'] Exploring Operation: 66-13=53, Resulting Numbers: [25, 53] Generated Node #0,2,0: 28:[25, 53] Operation: 66-13=53 Exploring Operation: 25-13=12, Resulting Numbers: [66, 12] Generated Node #0,2,1: 28:[66, 12] Operation: 25-13=12 Exploring Operation: 25+13=38, Resulting Numbers: [66, 38] Generated Node #0,2,2: 28:[66, 38] Operation: 25+13=38 Exploring Operation: 66+13=79, Resulting Numbers: [25, 79] Generated Node #0,2,3: 28:[25, 79] Operation: 66+13=79 Exploring Operation: 66-25=41, Resulting Numbers: [13, 41] Generated Node #0,2,4: 28:[13, 41] Operation: 66-25=41 Moving to Node #0,3 Current State: 28:[71, 25, 18], Operations: ['84-66=18'] Exploring Operation: 71+18=89, Resulting Numbers: [25, 89] Generated Node #0,3,0: 28:[25, 89] Operation: 71+18=89 Exploring Operation: 25+18=43, Resulting Numbers: [71, 43] Generated Node #0,3,1: 28:[71, 43] Operation: 25+18=43 Exploring Operation: 71-25=46, Resulting Numbers: [18, 46] Generated Node #0,3,2: 28:[18, 46] Operation: 71-25=46 Exploring Operation: 25-18=7, Resulting Numbers: [71, 7] Generated Node #0,3,3: 28:[71, 7] Operation: 25-18=7 Exploring Operation: 71-18=53, Resulting Numbers: [25, 53] Generated Node #0,3,4: 28:[25, 53] Operation: 71-18=53 Moving to Node #0,0 Current State: 28:[84, 25, 5], Operations: ['71-66=5'] Exploring Operation: 25-5=20, Resulting Numbers: [84, 20] Generated Node #0,0,0: 28:[84, 20] Operation: 25-5=20 Exploring Operation: 25+5=30, Resulting Numbers: [84, 30] Generated Node #0,0,1: 28:[84, 30] Operation: 25+5=30 Exploring Operation: 25/5=5, Resulting Numbers: [84, 5] Generated Node #0,0,2: 28:[84, 5] Operation: 25/5=5 Exploring Operation: 84-5=79, Resulting Numbers: [25, 79] Generated Node #0,0,3: 28:[25, 79] Operation: 84-5=79 Exploring Operation: 84-25=59, Resulting Numbers: [5, 59] Generated Node #0,0,4: 28:[5, 59] Operation: 84-25=59 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 28:[5, 59], Operations: ['71-66=5', '84-25=59'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,28 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 28:[25, 79], Operations: ['71-66=5', '84-5=79'] Exploring Operation: 25*79=1975, Resulting Numbers: [1975] 1975,28 unequal: No Solution Exploring Operation: 25+79=104, Resulting Numbers: [104] 104,28 unequal: No Solution Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[84, 5], Operations: ['71-66=5', '25/5=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,28 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,28 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[84, 30], Operations: ['71-66=5', '25+5=30'] Exploring Operation: 84*30=2520, Resulting Numbers: [2520] 2520,28 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 84+30=114, Resulting Numbers: [114] 114,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[84, 20], Operations: ['71-66=5', '25-5=20'] Exploring Operation: 84-20=64, Resulting Numbers: [64] 64,28 unequal: No Solution Exploring Operation: 84*20=1680, Resulting Numbers: [1680] 1680,28 unequal: No Solution Exploring Operation: 84+20=104, Resulting Numbers: [104] 104,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 28:[84, 66, 46], Operations: ['71-25=46'] Exploring Operation: 84-66=18, Resulting Numbers: [46, 18] Generated Node #0,1,0: 28:[46, 18] Operation: 84-66=18 Exploring Operation: 84+46=130, Resulting Numbers: [66, 130] Generated Node #0,1,1: 28:[66, 130] Operation: 84+46=130 Exploring Operation: 66-46=20, Resulting Numbers: [84, 20] Generated Node #0,1,2: 28:[84, 20] Operation: 66-46=20 Exploring Operation: 84-46=38, Resulting Numbers: [66, 38] Generated Node #0,1,3: 28:[66, 38] Operation: 84-46=38 Exploring Operation: 84+66=150, Resulting Numbers: [46, 150] Generated Node #0,1,4: 28:[46, 150] Operation: 84+66=150 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[46, 18], Operations: ['71-25=46', '84-66=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[71, 84, 25, 66], Operations: [] Exploring Operation: 71-25=46, Resulting Numbers: [84, 66, 46] Generated Node #0,1: 28:[84, 66, 46] Operation: 71-25=46 Moving to Node #0,1 Current State: 28:[84, 66, 46], Operations: ['71-25=46'] Exploring Operation: 84-66=18, Resulting Numbers: [46, 18] Generated Node #0,1,0: 28:[46, 18] Operation: 84-66=18 Moving to Node #0,1,0 Current State: 28:[46, 18], Operations: ['71-25=46', '84-66=18'] Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.960938
hs_5
mult_heuristic
[ 82, 36, 76, 62 ]
32
[ "82-36=46", "76-62=14", "46-14=32" ]
Current State: 32:[82, 36, 76, 62], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [76, 62, 46] Generated Node #2: [76, 62, 46] from Operation: 82-36=46 Current State: 32:[76, 62, 46], Operations: ['82-36=46'] Exploring Operation: 76-62=14, Resulting Numbers: [46, 14] Generated Node #3: [46, 14] from Operation: 76-62=14 Current State: 32:[46, 14], Operations: ['82-36=46', '76-62=14'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[82, 36, 76, 62], Operations: [] Exploring Operation: 76-62=14, Resulting Numbers: [82, 36, 14] Generated Node #0,0: 32:[82, 36, 14] Operation: 76-62=14 Exploring Operation: 82-62=20, Resulting Numbers: [36, 76, 20] Generated Node #0,1: 32:[36, 76, 20] Operation: 82-62=20 Exploring Operation: 82-76=6, Resulting Numbers: [36, 62, 6] Generated Node #0,2: 32:[36, 62, 6] Operation: 82-76=6 Moving to Node #0,2 Current State: 32:[36, 62, 6], Operations: ['82-76=6'] Exploring Operation: 62-36=26, Resulting Numbers: [6, 26] Generated Node #0,2,0: 32:[6, 26] Operation: 62-36=26 Exploring Operation: 62-6=56, Resulting Numbers: [36, 56] Generated Node #0,2,1: 32:[36, 56] Operation: 62-6=56 Exploring Operation: 36-6=30, Resulting Numbers: [62, 30] Generated Node #0,2,2: 32:[62, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[6, 26], Operations: ['82-76=6', '62-36=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[82, 36, 76, 62], Operations: [] Exploring Operation: 82-76=6, Resulting Numbers: [36, 62, 6] Generated Node #0,2: 32:[36, 62, 6] Operation: 82-76=6 Moving to Node #0,2 Current State: 32:[36, 62, 6], Operations: ['82-76=6'] Exploring Operation: 62-36=26, Resulting Numbers: [6, 26] Generated Node #0,2,0: 32:[6, 26] Operation: 62-36=26 Moving to Node #0,2,0 Current State: 32:[6, 26], Operations: ['82-76=6', '62-36=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 76, 42, 15, 14 ]
36
[ "76+14=90", "90/15=6", "42-6=36" ]
Current State: 36:[76, 42, 15, 14], Operations: [] Exploring Operation: 76+14=90, Resulting Numbers: [42, 15, 90] Generated Node #2: [42, 15, 90] from Operation: 76+14=90 Current State: 36:[42, 15, 90], Operations: ['76+14=90'] Exploring Operation: 90/15=6, Resulting Numbers: [42, 6] Generated Node #3: [42, 6] from Operation: 90/15=6 Current State: 36:[42, 6], Operations: ['76+14=90', '90/15=6'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[76, 42, 15, 14], Operations: [] Exploring Operation: 76-42=34, Resulting Numbers: [15, 14, 34] Generated Node #0,0: 36:[15, 14, 34] Operation: 76-42=34 Exploring Operation: 42/14=3, Resulting Numbers: [76, 15, 3] Generated Node #0,1: 36:[76, 15, 3] Operation: 42/14=3 Exploring Operation: 76-14=62, Resulting Numbers: [42, 15, 62] Generated Node #0,2: 36:[42, 15, 62] Operation: 76-14=62 Exploring Operation: 15-14=1, Resulting Numbers: [76, 42, 1] Generated Node #0,3: 36:[76, 42, 1] Operation: 15-14=1 Exploring Operation: 76-15=61, Resulting Numbers: [42, 14, 61] Generated Node #0,4: 36:[42, 14, 61] Operation: 76-15=61 Moving to Node #0,0 Current State: 36:[15, 14, 34], Operations: ['76-42=34'] Exploring Operation: 15-14=1, Resulting Numbers: [34, 1] Generated Node #0,0,0: 36:[34, 1] Operation: 15-14=1 Exploring Operation: 15+34=49, Resulting Numbers: [14, 49] Generated Node #0,0,1: 36:[14, 49] Operation: 15+34=49 Exploring Operation: 34-15=19, Resulting Numbers: [14, 19] Generated Node #0,0,2: 36:[14, 19] Operation: 34-15=19 Exploring Operation: 15+14=29, Resulting Numbers: [34, 29] Generated Node #0,0,3: 36:[34, 29] Operation: 15+14=29 Exploring Operation: 34-14=20, Resulting Numbers: [15, 20] Generated Node #0,0,4: 36:[15, 20] Operation: 34-14=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[34, 1], Operations: ['76-42=34', '15-14=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[14, 19], Operations: ['76-42=34', '34-15=19'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 36:[15, 20], Operations: ['76-42=34', '34-14=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[34, 29], Operations: ['76-42=34', '15+14=29'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[14, 49], Operations: ['76-42=34', '15+34=49'] Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,36 unequal: No Solution Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,36 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,36 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: 36:[42, 14, 61], Operations: ['76-15=61'] Exploring Operation: 61-42=19, Resulting Numbers: [14, 19] Generated Node #0,4,0: 36:[14, 19] Operation: 61-42=19 Exploring Operation: 42-14=28, Resulting Numbers: [61, 28] Generated Node #0,4,1: 36:[61, 28] Operation: 42-14=28 Exploring Operation: 61-14=47, Resulting Numbers: [42, 47] Generated Node #0,4,2: 36:[42, 47] Operation: 61-14=47 Exploring Operation: 42+14=56, Resulting Numbers: [61, 56] Generated Node #0,4,3: 36:[61, 56] Operation: 42+14=56 Exploring Operation: 42/14=3, Resulting Numbers: [61, 3] Generated Node #0,4,4: 36:[61, 3] Operation: 42/14=3 Moving to Node #0,2 Current State: 36:[42, 15, 62], Operations: ['76-14=62'] Exploring Operation: 15+62=77, Resulting Numbers: [42, 77] Generated Node #0,2,0: 36:[42, 77] Operation: 15+62=77 Exploring Operation: 42+15=57, Resulting Numbers: [62, 57] Generated Node #0,2,1: 36:[62, 57] Operation: 42+15=57 Exploring Operation: 42-15=27, Resulting Numbers: [62, 27] Generated Node #0,2,2: 36:[62, 27] Operation: 42-15=27 Exploring Operation: 62-15=47, Resulting Numbers: [42, 47] Generated Node #0,2,3: 36:[42, 47] Operation: 62-15=47 Exploring Operation: 62-42=20, Resulting Numbers: [15, 20] Generated Node #0,2,4: 36:[15, 20] Operation: 62-42=20 Moving to Node #0,1 Current State: 36:[76, 15, 3], Operations: ['42/14=3'] Exploring Operation: 15+3=18, Resulting Numbers: [76, 18] Generated Node #0,1,0: 36:[76, 18] Operation: 15+3=18 Exploring Operation: 15/3=5, Resulting Numbers: [76, 5] Generated Node #0,1,1: 36:[76, 5] Operation: 15/3=5 Exploring Operation: 76-3=73, Resulting Numbers: [15, 73] Generated Node #0,1,2: 36:[15, 73] Operation: 76-3=73 Exploring Operation: 15-3=12, Resulting Numbers: [76, 12] Generated Node #0,1,3: 36:[76, 12] Operation: 15-3=12 Exploring Operation: 76-15=61, Resulting Numbers: [3, 61] Generated Node #0,1,4: 36:[3, 61] Operation: 76-15=61 Moving to Node #0,3 Current State: 36:[76, 42, 1], Operations: ['15-14=1'] Exploring Operation: 76-1=75, Resulting Numbers: [42, 75] Generated Node #0,3,0: 36:[42, 75] Operation: 76-1=75 Exploring Operation: 42-1=41, Resulting Numbers: [76, 41] Generated Node #0,3,1: 36:[76, 41] Operation: 42-1=41 Exploring Operation: 76/1=76, Resulting Numbers: [42, 76] Generated Node #0,3,2: 36:[42, 76] Operation: 76/1=76 Exploring Operation: 76-42=34, Resulting Numbers: [1, 34] Generated Node #0,3,3: 36:[1, 34] Operation: 76-42=34 Exploring Operation: 76*1=76, Resulting Numbers: [42, 76] Generated Node #0,3,4: 36:[42, 76] Operation: 76*1=76 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[1, 34], Operations: ['15-14=1', '76-42=34'] Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[42, 75], Operations: ['15-14=1', '76-1=75'] Exploring Operation: 42+75=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 42*75=3150, Resulting Numbers: [3150] 3150,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[76, 41], Operations: ['15-14=1', '42-1=41'] Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 76*41=3116, Resulting Numbers: [3116] 3116,36 unequal: No Solution Exploring Operation: 76+41=117, Resulting Numbers: [117] 117,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[42, 76], Operations: ['15-14=1', '76/1=76'] Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,36 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,36 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[42, 76], Operations: ['15-14=1', '76*1=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,36 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 36:[14, 19], Operations: ['76-15=61', '61-42=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,36 unequal: No Solution Moving to Node #0,2,4 Current State: 36:[15, 20], Operations: ['76-14=62', '62-42=20'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 15*20=300, Resulting Numbers: [300] 300,36 unequal: No Solution Exploring Operation: 15+20=35, Resulting Numbers: [35] 35,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[42, 47], Operations: ['76-14=62', '62-15=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,36 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,36 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,4,2 Current State: 36:[42, 47], Operations: ['76-15=61', '61-14=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,36 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[61, 3], Operations: ['76-15=61', '42/14=3'] Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 61*3=183, Resulting Numbers: [183] 183,36 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,36 unequal: No Solution Moving to Node #0,1,4 Current State: 36:[3, 61], Operations: ['42/14=3', '76-15=61'] Exploring Operation: 3+61=64, Resulting Numbers: [64] 64,36 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 3*61=183, Resulting Numbers: [183] 183,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[61, 28], Operations: ['76-15=61', '42-14=28'] Exploring Operation: 61*28=1708, Resulting Numbers: [1708] 1708,36 unequal: No Solution Exploring Operation: 61+28=89, Resulting Numbers: [89] 89,36 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[62, 27], Operations: ['76-14=62', '42-15=27'] Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 62+27=89, Resulting Numbers: [89] 89,36 unequal: No Solution Exploring Operation: 62*27=1674, Resulting Numbers: [1674] 1674,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[76, 12], Operations: ['42/14=3', '15-3=12'] Exploring Operation: 76*12=912, Resulting Numbers: [912] 912,36 unequal: No Solution Exploring Operation: 76+12=88, Resulting Numbers: [88] 88,36 unequal: No Solution Exploring Operation: 76-12=64, Resulting Numbers: [64] 64,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[76, 18], Operations: ['42/14=3', '15+3=18'] Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,36 unequal: No Solution Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[15, 73], Operations: ['42/14=3', '76-3=73'] Exploring Operation: 15*73=1095, Resulting Numbers: [1095] 1095,36 unequal: No Solution Exploring Operation: 73-15=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 15+73=88, Resulting Numbers: [88] 88,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[76, 5], Operations: ['42/14=3', '15/3=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,36 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,36 unequal: No Solution Moving to Node #0,4,3 Current State: 36:[61, 56], Operations: ['76-15=61', '42+14=56'] Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 61*56=3416, Resulting Numbers: [3416] 3416,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[42, 77], Operations: ['76-14=62', '15+62=77'] Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,36 unequal: No Solution Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,36 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[62, 57], Operations: ['76-14=62', '42+15=57'] Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 62*57=3534, Resulting Numbers: [3534] 3534,36 unequal: No Solution Exploring Operation: 62+57=119, Resulting Numbers: [119] 119,36 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 32, 70, 83, 39 ]
20
[ "32+70=102", "83+39=122", "122-102=20" ]
Current State: 20:[32, 70, 83, 39], Operations: [] Exploring Operation: 32+70=102, Resulting Numbers: [83, 39, 102] Generated Node #2: [83, 39, 102] from Operation: 32+70=102 Current State: 20:[83, 39, 102], Operations: ['32+70=102'] Exploring Operation: 83+39=122, Resulting Numbers: [102, 122] Generated Node #3: [102, 122] from Operation: 83+39=122 Current State: 20:[102, 122], Operations: ['32+70=102', '83+39=122'] Exploring Operation: 122-102=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[32, 70, 83, 39], Operations: [] Exploring Operation: 70-39=31, Resulting Numbers: [32, 83, 31] Generated Node #0,0: 20:[32, 83, 31] Operation: 70-39=31 Exploring Operation: 83-70=13, Resulting Numbers: [32, 39, 13] Generated Node #0,1: 20:[32, 39, 13] Operation: 83-70=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[32, 39, 13], Operations: ['83-70=13'] Exploring Operation: 39/13=3, Resulting Numbers: [32, 3] Generated Node #0,1,0: 20:[32, 3] Operation: 39/13=3 Exploring Operation: 39-32=7, Resulting Numbers: [13, 7] Generated Node #0,1,1: 20:[13, 7] Operation: 39-32=7 Moving to Node #0,1,1 Current State: 20:[13, 7], Operations: ['83-70=13', '39-32=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[32, 70, 83, 39], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [32, 39, 13] Generated Node #0,1: 20:[32, 39, 13] Operation: 83-70=13 Moving to Node #0,1 Current State: 20:[32, 39, 13], Operations: ['83-70=13'] Exploring Operation: 39-32=7, Resulting Numbers: [13, 7] Generated Node #0,1,1: 20:[13, 7] Operation: 39-32=7 Moving to Node #0,1,1 Current State: 20:[13, 7], Operations: ['83-70=13', '39-32=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 48, 13, 17, 91 ]
47
[ "48+13=61", "17+91=108", "108-61=47" ]
Current State: 47:[48, 13, 17, 91], Operations: [] Exploring Operation: 48+13=61, Resulting Numbers: [17, 91, 61] Generated Node #2: [17, 91, 61] from Operation: 48+13=61 Current State: 47:[17, 91, 61], Operations: ['48+13=61'] Exploring Operation: 17+91=108, Resulting Numbers: [61, 108] Generated Node #3: [61, 108] from Operation: 17+91=108 Current State: 47:[61, 108], Operations: ['48+13=61', '17+91=108'] Exploring Operation: 108-61=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[48, 13, 17, 91], Operations: [] Exploring Operation: 13+17=30, Resulting Numbers: [48, 91, 30] Generated Node #0,0: 47:[48, 91, 30] Operation: 13+17=30 Moving to Node #0,0 Current State: 47:[48, 91, 30], Operations: ['13+17=30'] Exploring Operation: 91-30=61, Resulting Numbers: [48, 61] Generated Node #0,0,0: 47:[48, 61] Operation: 91-30=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[48, 61], Operations: ['13+17=30', '91-30=61'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 22, 24, 5, 76 ]
25
[ "22+24=46", "76-5=71", "71-46=25" ]
Current State: 25:[22, 24, 5, 76], Operations: [] Exploring Operation: 22+24=46, Resulting Numbers: [5, 76, 46] Generated Node #2: [5, 76, 46] from Operation: 22+24=46 Current State: 25:[5, 76, 46], Operations: ['22+24=46'] Exploring Operation: 76-5=71, Resulting Numbers: [46, 71] Generated Node #3: [46, 71] from Operation: 76-5=71 Current State: 25:[46, 71], Operations: ['22+24=46', '76-5=71'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[22, 24, 5, 76], Operations: [] Exploring Operation: 22+5=27, Resulting Numbers: [24, 76, 27] Generated Node #0,0: 25:[24, 76, 27] Operation: 22+5=27 Exploring Operation: 76-5=71, Resulting Numbers: [22, 24, 71] Generated Node #0,1: 25:[22, 24, 71] Operation: 76-5=71 Exploring Operation: 76-22=54, Resulting Numbers: [24, 5, 54] Generated Node #0,2: 25:[24, 5, 54] Operation: 76-22=54 Exploring Operation: 76-24=52, Resulting Numbers: [22, 5, 52] Generated Node #0,3: 25:[22, 5, 52] Operation: 76-24=52 Exploring Operation: 24-22=2, Resulting Numbers: [5, 76, 2] Generated Node #0,4: 25:[5, 76, 2] Operation: 24-22=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[24, 5, 54], Operations: ['76-22=54'] Exploring Operation: 54-5=49, Resulting Numbers: [24, 49] Generated Node #0,2,0: 25:[24, 49] Operation: 54-5=49 Exploring Operation: 24-5=19, Resulting Numbers: [54, 19] Generated Node #0,2,1: 25:[54, 19] Operation: 24-5=19 Exploring Operation: 5+54=59, Resulting Numbers: [24, 59] Generated Node #0,2,2: 25:[24, 59] Operation: 5+54=59 Exploring Operation: 54-24=30, Resulting Numbers: [5, 30] Generated Node #0,2,3: 25:[5, 30] Operation: 54-24=30 Exploring Operation: 24+5=29, Resulting Numbers: [54, 29] Generated Node #0,2,4: 25:[54, 29] Operation: 24+5=29 Moving to Node #0,2,3 Current State: 25:[5, 30], Operations: ['76-22=54', '54-24=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[22, 24, 5, 76], Operations: [] Exploring Operation: 76-22=54, Resulting Numbers: [24, 5, 54] Generated Node #0,2: 25:[24, 5, 54] Operation: 76-22=54 Moving to Node #0,2 Current State: 25:[24, 5, 54], Operations: ['76-22=54'] Exploring Operation: 54-24=30, Resulting Numbers: [5, 30] Generated Node #0,2,3: 25:[5, 30] Operation: 54-24=30 Moving to Node #0,2,3 Current State: 25:[5, 30], Operations: ['76-22=54', '54-24=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 96, 25, 15, 10 ]
100
[ "25+15=40", "40/10=4", "96+4=100" ]
Current State: 100:[96, 25, 15, 10], Operations: [] Exploring Operation: 25+15=40, Resulting Numbers: [96, 10, 40] Generated Node #2: [96, 10, 40] from Operation: 25+15=40 Current State: 100:[96, 10, 40], Operations: ['25+15=40'] Exploring Operation: 40/10=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 40/10=4 Current State: 100:[96, 4], Operations: ['25+15=40', '40/10=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[96, 25, 15, 10], Operations: [] Exploring Operation: 15+10=25, Resulting Numbers: [96, 25, 25] Generated Node #0,0: 100:[96, 25, 25] Operation: 15+10=25 Exploring Operation: 25-15=10, Resulting Numbers: [96, 10, 10] Generated Node #0,1: 100:[96, 10, 10] Operation: 25-15=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[96, 25, 25], Operations: ['15+10=25'] Exploring Operation: 25+25=50, Resulting Numbers: [96, 50] Generated Node #0,0,0: 100:[96, 50] Operation: 25+25=50 Exploring Operation: 25/25=1, Resulting Numbers: [96, 1] Generated Node #0,0,1: 100:[96, 1] Operation: 25/25=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[96, 50], Operations: ['15+10=25', '25+25=50'] Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,100 unequal: No Solution Exploring Operation: 96+50=146, Resulting Numbers: [146] 146,100 unequal: No Solution No 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: 100:[96, 1], Operations: ['15+10=25', '25/25=1'] Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,100 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,100 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: 100:[96, 10, 10], Operations: ['25-15=10'] Exploring Operation: 10*10=100, Resulting Numbers: [96, 100] Generated Node #0,1,0: 100:[96, 100] Operation: 10*10=100 Exploring Operation: 10+10=20, Resulting Numbers: [96, 20] Generated Node #0,1,1: 100:[96, 20] Operation: 10+10=20 Moving to Node #0,1,0 Current State: 100:[96, 100], Operations: ['25-15=10', '10*10=100'] Exploring Operation: 96+100=196, Resulting Numbers: [196] 196,100 unequal: No Solution Exploring Operation: 100-96=4, Resulting Numbers: [4] 4,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[96, 20], Operations: ['25-15=10', '10+10=20'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,100 unequal: No Solution Exploring Operation: 96+20=116, Resulting Numbers: [116] 116,100 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
[ 84, 42, 37, 56 ]
43
[ "56-42=14", "84/14=6", "37+6=43" ]
Current State: 43:[84, 42, 37, 56], Operations: [] Exploring Operation: 56-42=14, Resulting Numbers: [84, 37, 14] Generated Node #2: [84, 37, 14] from Operation: 56-42=14 Current State: 43:[84, 37, 14], Operations: ['56-42=14'] Exploring Operation: 84/14=6, Resulting Numbers: [37, 6] Generated Node #3: [37, 6] from Operation: 84/14=6 Current State: 43:[37, 6], Operations: ['56-42=14', '84/14=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[84, 42, 37, 56], Operations: [] Exploring Operation: 84/42=2, Resulting Numbers: [37, 56, 2] Generated Node #0,0: 43:[37, 56, 2] Operation: 84/42=2 Exploring Operation: 84-42=42, Resulting Numbers: [37, 56, 42] Generated Node #0,1: 43:[37, 56, 42] Operation: 84-42=42 Exploring Operation: 84-37=47, Resulting Numbers: [42, 56, 47] Generated Node #0,2: 43:[42, 56, 47] Operation: 84-37=47 Exploring Operation: 84-56=28, Resulting Numbers: [42, 37, 28] Generated Node #0,3: 43:[42, 37, 28] Operation: 84-56=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[42, 56, 47], Operations: ['84-37=47'] Exploring Operation: 56-42=14, Resulting Numbers: [47, 14] Generated Node #0,2,0: 43:[47, 14] Operation: 56-42=14 Exploring Operation: 42+56=98, Resulting Numbers: [47, 98] Generated Node #0,2,1: 43:[47, 98] Operation: 42+56=98 Exploring Operation: 56-47=9, Resulting Numbers: [42, 9] Generated Node #0,2,2: 43:[42, 9] Operation: 56-47=9 Exploring Operation: 47-42=5, Resulting Numbers: [56, 5] Generated Node #0,2,3: 43:[56, 5] Operation: 47-42=5 Moving to Node #0,2,0 Current State: 43:[47, 14], Operations: ['84-37=47', '56-42=14'] Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 47*14=658, Resulting Numbers: [658] 658,43 unequal: No Solution Exploring Operation: 47+14=61, Resulting Numbers: [61] 61,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[42, 9], Operations: ['84-37=47', '56-47=9'] Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,43 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[56, 5], Operations: ['84-37=47', '47-42=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,43 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[47, 98], Operations: ['84-37=47', '42+56=98'] Exploring Operation: 47+98=145, Resulting Numbers: [145] 145,43 unequal: No Solution Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 47*98=4606, Resulting Numbers: [4606] 4606,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[37, 56, 42], Operations: ['84-42=42'] Exploring Operation: 56-42=14, Resulting Numbers: [37, 14] Generated Node #0,1,0: 43:[37, 14] Operation: 56-42=14 Exploring Operation: 37+56=93, Resulting Numbers: [42, 93] Generated Node #0,1,1: 43:[42, 93] Operation: 37+56=93 Exploring Operation: 37+42=79, Resulting Numbers: [56, 79] Generated Node #0,1,2: 43:[56, 79] Operation: 37+42=79 Exploring Operation: 56-37=19, Resulting Numbers: [42, 19] Generated Node #0,1,3: 43:[42, 19] Operation: 56-37=19 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[42, 19], Operations: ['84-42=42', '56-37=19'] Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[37, 14], Operations: ['84-42=42', '56-42=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,43 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[56, 79], Operations: ['84-42=42', '37+42=79'] Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,43 unequal: No Solution Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[42, 93], Operations: ['84-42=42', '37+56=93'] Exploring Operation: 42+93=135, Resulting Numbers: [135] 135,43 unequal: No Solution Exploring Operation: 93-42=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 42*93=3906, Resulting Numbers: [3906] 3906,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[42, 37, 28], Operations: ['84-56=28'] Exploring Operation: 37+28=65, Resulting Numbers: [42, 65] Generated Node #0,3,0: 43:[42, 65] Operation: 37+28=65 Exploring Operation: 37-28=9, Resulting Numbers: [42, 9] Generated Node #0,3,1: 43:[42, 9] Operation: 37-28=9 Exploring Operation: 42+28=70, Resulting Numbers: [37, 70] Generated Node #0,3,2: 43:[37, 70] Operation: 42+28=70 Exploring Operation: 42-28=14, Resulting Numbers: [37, 14] Generated Node #0,3,3: 43:[37, 14] Operation: 42-28=14 Moving to Node #0,3,0 Current State: 43:[42, 65], Operations: ['84-56=28', '37+28=65'] Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,43 unequal: No Solution Exploring Operation: 42*65=2730, Resulting Numbers: [2730] 2730,43 unequal: No Solution Exploring Operation: 42+65=107, Resulting Numbers: [107] 107,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[37, 70], Operations: ['84-56=28', '42+28=70'] Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,43 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[37, 14], Operations: ['84-56=28', '42-28=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,43 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[42, 9], Operations: ['84-56=28', '37-28=9'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,43 unequal: No Solution Exploring Operation: 42*9=378, Resulting Numbers: [378] 378,43 unequal: No Solution Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[37, 56, 2], Operations: ['84/42=2'] Exploring Operation: 56-2=54, Resulting Numbers: [37, 54] Generated Node #0,0,0: 43:[37, 54] Operation: 56-2=54 Exploring Operation: 37-2=35, Resulting Numbers: [56, 35] Generated Node #0,0,1: 43:[56, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [56, 39] Generated Node #0,0,2: 43:[56, 39] Operation: 37+2=39 Exploring Operation: 56+2=58, Resulting Numbers: [37, 58] Generated Node #0,0,3: 43:[37, 58] Operation: 56+2=58 Moving to Node #0,0,0 Current State: 43:[37, 54], Operations: ['84/42=2', '56-2=54'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,43 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[56, 39], Operations: ['84/42=2', '37+2=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,43 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,43 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[37, 58], Operations: ['84/42=2', '56+2=58'] Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,43 unequal: No Solution Exploring Operation: 37+58=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 37*58=2146, Resulting Numbers: [2146] 2146,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[56, 35], Operations: ['84/42=2', '37-2=35'] Exploring Operation: 56*35=1960, Resulting Numbers: [1960] 1960,43 unequal: No Solution Exploring Operation: 56+35=91, Resulting Numbers: [91] 91,43 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,43 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
[ 70, 4, 77, 35 ]
71
[ "70/35=2", "77-4=73", "73-2=71" ]
Current State: 71:[70, 4, 77, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [4, 77, 2] Generated Node #2: [4, 77, 2] from Operation: 70/35=2 Current State: 71:[4, 77, 2], Operations: ['70/35=2'] Exploring Operation: 77-4=73, Resulting Numbers: [2, 73] Generated Node #3: [2, 73] from Operation: 77-4=73 Current State: 71:[2, 73], Operations: ['70/35=2', '77-4=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[70, 4, 77, 35], Operations: [] Exploring Operation: 77-4=73, Resulting Numbers: [70, 35, 73] Generated Node #0,0: 71:[70, 35, 73] Operation: 77-4=73 Exploring Operation: 4+77=81, Resulting Numbers: [70, 35, 81] Generated Node #0,1: 71:[70, 35, 81] Operation: 4+77=81 Exploring Operation: 4+35=39, Resulting Numbers: [70, 77, 39] Generated Node #0,2: 71:[70, 77, 39] Operation: 4+35=39 Exploring Operation: 70+4=74, Resulting Numbers: [77, 35, 74] Generated Node #0,3: 71:[77, 35, 74] Operation: 70+4=74 Exploring Operation: 70-4=66, Resulting Numbers: [77, 35, 66] Generated Node #0,4: 71:[77, 35, 66] Operation: 70-4=66 Moving to Node #0,0 Current State: 71:[70, 35, 73], Operations: ['77-4=73'] Exploring Operation: 70/35=2, Resulting Numbers: [73, 2] Generated Node #0,0,0: 71:[73, 2] Operation: 70/35=2 Exploring Operation: 35+73=108, Resulting Numbers: [70, 108] Generated Node #0,0,1: 71:[70, 108] Operation: 35+73=108 Exploring Operation: 70+35=105, Resulting Numbers: [73, 105] Generated Node #0,0,2: 71:[73, 105] Operation: 70+35=105 Exploring Operation: 70-35=35, Resulting Numbers: [73, 35] Generated Node #0,0,3: 71:[73, 35] Operation: 70-35=35 Exploring Operation: 73-35=38, Resulting Numbers: [70, 38] Generated Node #0,0,4: 71:[70, 38] Operation: 73-35=38 Moving to Node #0,2 Current State: 71:[70, 77, 39], Operations: ['4+35=39'] Exploring Operation: 77-70=7, Resulting Numbers: [39, 7] Generated Node #0,2,0: 71:[39, 7] Operation: 77-70=7 Exploring Operation: 77+39=116, Resulting Numbers: [70, 116] Generated Node #0,2,1: 71:[70, 116] Operation: 77+39=116 Exploring Operation: 70-39=31, Resulting Numbers: [77, 31] Generated Node #0,2,2: 71:[77, 31] Operation: 70-39=31 Exploring Operation: 77-39=38, Resulting Numbers: [70, 38] Generated Node #0,2,3: 71:[70, 38] Operation: 77-39=38 Exploring Operation: 70+39=109, Resulting Numbers: [77, 109] Generated Node #0,2,4: 71:[77, 109] Operation: 70+39=109 Moving to Node #0,3 Current State: 71:[77, 35, 74], Operations: ['70+4=74'] Exploring Operation: 77+35=112, Resulting Numbers: [74, 112] Generated Node #0,3,0: 71:[74, 112] Operation: 77+35=112 Exploring Operation: 74-35=39, Resulting Numbers: [77, 39] Generated Node #0,3,1: 71:[77, 39] Operation: 74-35=39 Exploring Operation: 35+74=109, Resulting Numbers: [77, 109] Generated Node #0,3,2: 71:[77, 109] Operation: 35+74=109 Exploring Operation: 77-74=3, Resulting Numbers: [35, 3] Generated Node #0,3,3: 71:[35, 3] Operation: 77-74=3 Exploring Operation: 77-35=42, Resulting Numbers: [74, 42] Generated Node #0,3,4: 71:[74, 42] Operation: 77-35=42 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[74, 42], Operations: ['70+4=74', '77-35=42'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 74+42=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 74*42=3108, Resulting Numbers: [3108] 3108,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[77, 39], Operations: ['70+4=74', '74-35=39'] Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,71 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 77*39=3003, Resulting Numbers: [3003] 3003,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[74, 112], Operations: ['70+4=74', '77+35=112'] Exploring Operation: 74*112=8288, Resulting Numbers: [8288] 8288,71 unequal: No Solution Exploring Operation: 112-74=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 74+112=186, Resulting Numbers: [186] 186,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[77, 109], Operations: ['70+4=74', '35+74=109'] Exploring Operation: 77+109=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 109-77=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 77*109=8393, Resulting Numbers: [8393] 8393,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[35, 3], Operations: ['70+4=74', '77-74=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,71 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: 71:[70, 35, 81], Operations: ['4+77=81'] Exploring Operation: 70+35=105, Resulting Numbers: [81, 105] Generated Node #0,1,0: 71:[81, 105] Operation: 70+35=105 Exploring Operation: 70-35=35, Resulting Numbers: [81, 35] Generated Node #0,1,1: 71:[81, 35] Operation: 70-35=35 Exploring Operation: 81-35=46, Resulting Numbers: [70, 46] Generated Node #0,1,2: 71:[70, 46] Operation: 81-35=46 Exploring Operation: 70/35=2, Resulting Numbers: [81, 2] Generated Node #0,1,3: 71:[81, 2] Operation: 70/35=2 Exploring Operation: 35+81=116, Resulting Numbers: [70, 116] Generated Node #0,1,4: 71:[70, 116] Operation: 35+81=116 Moving to Node #0,4 Current State: 71:[77, 35, 66], Operations: ['70-4=66'] Exploring Operation: 66-35=31, Resulting Numbers: [77, 31] Generated Node #0,4,0: 71:[77, 31] Operation: 66-35=31 Exploring Operation: 77-35=42, Resulting Numbers: [66, 42] Generated Node #0,4,1: 71:[66, 42] Operation: 77-35=42 Exploring Operation: 77+35=112, Resulting Numbers: [66, 112] Generated Node #0,4,2: 71:[66, 112] Operation: 77+35=112 Exploring Operation: 35+66=101, Resulting Numbers: [77, 101] Generated Node #0,4,3: 71:[77, 101] Operation: 35+66=101 Exploring Operation: 77-66=11, Resulting Numbers: [35, 11] Generated Node #0,4,4: 71:[35, 11] Operation: 77-66=11 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[66, 42], Operations: ['70-4=66', '77-35=42'] Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,71 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[77, 101], Operations: ['70-4=66', '35+66=101'] Exploring Operation: 101-77=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 77*101=7777, Resulting Numbers: [7777] 7777,71 unequal: No Solution Exploring Operation: 77+101=178, Resulting Numbers: [178] 178,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[77, 31], Operations: ['70-4=66', '66-35=31'] Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,71 unequal: No Solution Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[66, 112], Operations: ['70-4=66', '77+35=112'] Exploring Operation: 66*112=7392, Resulting Numbers: [7392] 7392,71 unequal: No Solution Exploring Operation: 112-66=46, Resulting Numbers: [46] 46,71 unequal: No Solution Exploring Operation: 66+112=178, Resulting Numbers: [178] 178,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[35, 11], Operations: ['70-4=66', '77-66=11'] Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,71 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 71:[70, 46], Operations: ['4+77=81', '81-35=46'] Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,71 unequal: No Solution Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[70, 38], Operations: ['4+35=39', '77-39=38'] Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[70, 38], Operations: ['77-4=73', '73-35=38'] Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,71 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[73, 105], Operations: ['77-4=73', '70+35=105'] Exploring Operation: 73+105=178, Resulting Numbers: [178] 178,71 unequal: No Solution Exploring Operation: 73*105=7665, Resulting Numbers: [7665] 7665,71 unequal: No Solution Exploring Operation: 105-73=32, Resulting Numbers: [32] 32,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[70, 108], Operations: ['77-4=73', '35+73=108'] Exploring Operation: 70*108=7560, Resulting Numbers: [7560] 7560,71 unequal: No Solution Exploring Operation: 108-70=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 70+108=178, Resulting Numbers: [178] 178,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[73, 35], Operations: ['77-4=73', '70-35=35'] Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,71 unequal: No Solution Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[77, 109], Operations: ['4+35=39', '70+39=109'] Exploring Operation: 77+109=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 109-77=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 77*109=8393, Resulting Numbers: [8393] 8393,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[81, 105], Operations: ['4+77=81', '70+35=105'] Exploring Operation: 105-81=24, Resulting Numbers: [24] 24,71 unequal: No Solution Exploring Operation: 81+105=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 81*105=8505, Resulting Numbers: [8505] 8505,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[81, 35], Operations: ['4+77=81', '70-35=35'] Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,71 unequal: No Solution Exploring Operation: 81*35=2835, Resulting Numbers: [2835] 2835,71 unequal: No Solution Exploring Operation: 81+35=116, Resulting Numbers: [116] 116,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[70, 116], Operations: ['4+35=39', '77+39=116'] Exploring Operation: 70+116=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 70*116=8120, Resulting Numbers: [8120] 8120,71 unequal: No Solution Exploring Operation: 116-70=46, Resulting Numbers: [46] 46,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[70, 116], Operations: ['4+77=81', '35+81=116'] Exploring Operation: 70*116=8120, Resulting Numbers: [8120] 8120,71 unequal: No Solution Exploring Operation: 116-70=46, Resulting Numbers: [46] 46,71 unequal: No Solution Exploring Operation: 70+116=186, Resulting Numbers: [186] 186,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[77, 31], Operations: ['4+35=39', '70-39=31'] Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,71 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[73, 2], Operations: ['77-4=73', '70/35=2'] Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,71 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[70, 4, 77, 35], Operations: [] Exploring Operation: 77-4=73, Resulting Numbers: [70, 35, 73] Generated Node #0,0: 71:[70, 35, 73] Operation: 77-4=73 Moving to Node #0,0 Current State: 71:[70, 35, 73], Operations: ['77-4=73'] Exploring Operation: 70/35=2, Resulting Numbers: [73, 2] Generated Node #0,0,0: 71:[73, 2] Operation: 70/35=2 Moving to Node #0,0,0 Current State: 71:[73, 2], Operations: ['77-4=73', '70/35=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
0.911458
hs_5
mult_heuristic
[ 38, 93, 2, 54 ]
23
[ "38+93=131", "2*54=108", "131-108=23" ]
Current State: 23:[38, 93, 2, 54], Operations: [] Exploring Operation: 38+93=131, Resulting Numbers: [2, 54, 131] Generated Node #2: [2, 54, 131] from Operation: 38+93=131 Current State: 23:[2, 54, 131], Operations: ['38+93=131'] Exploring Operation: 2*54=108, Resulting Numbers: [131, 108] Generated Node #3: [131, 108] from Operation: 2*54=108 Current State: 23:[131, 108], Operations: ['38+93=131', '2*54=108'] Exploring Operation: 131-108=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[38, 93, 2, 54], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [38, 93, 27] Generated Node #0,0: 23:[38, 93, 27] Operation: 54/2=27 Exploring Operation: 93-38=55, Resulting Numbers: [2, 54, 55] Generated Node #0,1: 23:[2, 54, 55] Operation: 93-38=55 Exploring Operation: 93-54=39, Resulting Numbers: [38, 2, 39] Generated Node #0,2: 23:[38, 2, 39] Operation: 93-54=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[38, 2, 39], Operations: ['93-54=39'] Exploring Operation: 38/2=19, Resulting Numbers: [39, 19] Generated Node #0,2,0: 23:[39, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [39, 36] Generated Node #0,2,1: 23:[39, 36] Operation: 38-2=36 Exploring Operation: 39-2=37, Resulting Numbers: [38, 37] Generated Node #0,2,2: 23:[38, 37] Operation: 39-2=37 Moving to Node #0,2,0 Current State: 23:[39, 19], Operations: ['93-54=39', '38/2=19'] Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,23 unequal: No Solution Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,23 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[39, 36], Operations: ['93-54=39', '38-2=36'] Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,23 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[38, 37], Operations: ['93-54=39', '39-2=37'] Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,23 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,23 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:[2, 54, 55], Operations: ['93-38=55'] Exploring Operation: 54-2=52, Resulting Numbers: [55, 52] Generated Node #0,1,0: 23:[55, 52] Operation: 54-2=52 Exploring Operation: 54/2=27, Resulting Numbers: [55, 27] Generated Node #0,1,1: 23:[55, 27] Operation: 54/2=27 Exploring Operation: 55-54=1, Resulting Numbers: [2, 1] Generated Node #0,1,2: 23:[2, 1] Operation: 55-54=1 Moving to Node #0,1,1 Current State: 23:[55, 27], Operations: ['93-38=55', '54/2=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[2, 1], Operations: ['93-38=55', '55-54=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[55, 52], Operations: ['93-38=55', '54-2=52'] Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,23 unequal: No Solution Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[38, 93, 27], Operations: ['54/2=27'] Exploring Operation: 38-27=11, Resulting Numbers: [93, 11] Generated Node #0,0,0: 23:[93, 11] Operation: 38-27=11 Exploring Operation: 93-38=55, Resulting Numbers: [27, 55] Generated Node #0,0,1: 23:[27, 55] Operation: 93-38=55 Exploring Operation: 93-27=66, Resulting Numbers: [38, 66] Generated Node #0,0,2: 23:[38, 66] Operation: 93-27=66 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[27, 55], Operations: ['54/2=27', '93-38=55'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 27+55=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 27*55=1485, Resulting Numbers: [1485] 1485,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[38, 66], Operations: ['54/2=27', '93-27=66'] Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[93, 11], Operations: ['54/2=27', '38-27=11'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 93*11=1023, Resulting Numbers: [1023] 1023,23 unequal: No Solution Exploring Operation: 93+11=104, Resulting Numbers: [104] 104,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 8, 90, 84, 87 ]
16
[ "90+84=174", "8*174=1392", "1392/87=16" ]
Current State: 16:[8, 90, 84, 87], Operations: [] Exploring Operation: 90+84=174, Resulting Numbers: [8, 87, 174] Generated Node #2: [8, 87, 174] from Operation: 90+84=174 Current State: 16:[8, 87, 174], Operations: ['90+84=174'] Exploring Operation: 8*174=1392, Resulting Numbers: [87, 1392] Generated Node #3: [87, 1392] from Operation: 8*174=1392 Current State: 16:[87, 1392], Operations: ['90+84=174', '8*174=1392'] Exploring Operation: 1392/87=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[8, 90, 84, 87], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [8, 87, 6] Generated Node #0,0: 16:[8, 87, 6] Operation: 90-84=6 Exploring Operation: 90-87=3, Resulting Numbers: [8, 84, 3] Generated Node #0,1: 16:[8, 84, 3] Operation: 90-87=3 Exploring Operation: 90-8=82, Resulting Numbers: [84, 87, 82] Generated Node #0,2: 16:[84, 87, 82] Operation: 90-8=82 Exploring Operation: 87-84=3, Resulting Numbers: [8, 90, 3] Generated Node #0,3: 16:[8, 90, 3] Operation: 87-84=3 Moving to Node #0,1 Current State: 16:[8, 84, 3], Operations: ['90-87=3'] Exploring Operation: 84-3=81, Resulting Numbers: [8, 81] Generated Node #0,1,0: 16:[8, 81] Operation: 84-3=81 Exploring Operation: 8-3=5, Resulting Numbers: [84, 5] Generated Node #0,1,1: 16:[84, 5] Operation: 8-3=5 Exploring Operation: 84/3=28, Resulting Numbers: [8, 28] Generated Node #0,1,2: 16:[8, 28] Operation: 84/3=28 Exploring Operation: 84-8=76, Resulting Numbers: [3, 76] Generated Node #0,1,3: 16:[3, 76] Operation: 84-8=76 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[8, 28], Operations: ['90-87=3', '84/3=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[3, 76], Operations: ['90-87=3', '84-8=76'] Exploring Operation: 3*76=228, Resulting Numbers: [228] 228,16 unequal: No Solution Exploring Operation: 76-3=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[8, 81], Operations: ['90-87=3', '84-3=81'] Exploring Operation: 8*81=648, Resulting Numbers: [648] 648,16 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[84, 5], Operations: ['90-87=3', '8-3=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,16 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 16:[8, 87, 6], Operations: ['90-84=6'] Exploring Operation: 87-6=81, Resulting Numbers: [8, 81] Generated Node #0,0,0: 16:[8, 81] Operation: 87-6=81 Exploring Operation: 8+6=14, Resulting Numbers: [87, 14] Generated Node #0,0,1: 16:[87, 14] Operation: 8+6=14 Exploring Operation: 87-8=79, Resulting Numbers: [6, 79] Generated Node #0,0,2: 16:[6, 79] Operation: 87-8=79 Exploring Operation: 8-6=2, Resulting Numbers: [87, 2] Generated Node #0,0,3: 16:[87, 2] Operation: 8-6=2 Moving to Node #0,3 Current State: 16:[8, 90, 3], Operations: ['87-84=3'] Exploring Operation: 90-3=87, Resulting Numbers: [8, 87] Generated Node #0,3,0: 16:[8, 87] Operation: 90-3=87 Exploring Operation: 90-8=82, Resulting Numbers: [3, 82] Generated Node #0,3,1: 16:[3, 82] Operation: 90-8=82 Exploring Operation: 90/3=30, Resulting Numbers: [8, 30] Generated Node #0,3,2: 16:[8, 30] Operation: 90/3=30 Exploring Operation: 8-3=5, Resulting Numbers: [90, 5] Generated Node #0,3,3: 16:[90, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[8, 30], Operations: ['87-84=3', '90/3=30'] Exploring Operation: 8*30=240, Resulting Numbers: [240] 240,16 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,16 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[3, 82], Operations: ['87-84=3', '90-8=82'] Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,16 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,16 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[8, 87], Operations: ['87-84=3', '90-3=87'] Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,16 unequal: No Solution Exploring Operation: 8+87=95, Resulting Numbers: [95] 95,16 unequal: No Solution Exploring Operation: 8*87=696, Resulting Numbers: [696] 696,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[90, 5], Operations: ['87-84=3', '8-3=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,16 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,16 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,16 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: 16:[84, 87, 82], Operations: ['90-8=82'] Exploring Operation: 87-84=3, Resulting Numbers: [82, 3] Generated Node #0,2,0: 16:[82, 3] Operation: 87-84=3 Exploring Operation: 84-82=2, Resulting Numbers: [87, 2] Generated Node #0,2,1: 16:[87, 2] Operation: 84-82=2 Exploring Operation: 84+87=171, Resulting Numbers: [82, 171] Generated Node #0,2,2: 16:[82, 171] Operation: 84+87=171 Exploring Operation: 87-82=5, Resulting Numbers: [84, 5] Generated Node #0,2,3: 16:[84, 5] Operation: 87-82=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[82, 3], Operations: ['90-8=82', '87-84=3'] Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,16 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,16 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[84, 5], Operations: ['90-8=82', '87-82=5'] Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,16 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[87, 2], Operations: ['90-8=82', '84-82=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,16 unequal: No Solution Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[82, 171], Operations: ['90-8=82', '84+87=171'] Exploring Operation: 82*171=14022, Resulting Numbers: [14022] 14022,16 unequal: No Solution Exploring Operation: 82+171=253, Resulting Numbers: [253] 253,16 unequal: No Solution Exploring Operation: 171-82=89, Resulting Numbers: [89] 89,16 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: 16:[8, 81], Operations: ['90-84=6', '87-6=81'] Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 8*81=648, Resulting Numbers: [648] 648,16 unequal: No Solution Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[6, 79], Operations: ['90-84=6', '87-8=79'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,16 unequal: No Solution Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[87, 2], Operations: ['90-84=6', '8-6=2'] Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,16 unequal: No Solution Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,16 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[87, 14], Operations: ['90-84=6', '8+6=14'] Exploring Operation: 87*14=1218, Resulting Numbers: [1218] 1218,16 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 87+14=101, Resulting Numbers: [101] 101,16 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 30, 55, 76, 86 ]
35
[ "55-30=25", "86-76=10", "25+10=35" ]
Current State: 35:[30, 55, 76, 86], Operations: [] Exploring Operation: 55-30=25, Resulting Numbers: [76, 86, 25] Generated Node #2: [76, 86, 25] from Operation: 55-30=25 Current State: 35:[76, 86, 25], Operations: ['55-30=25'] Exploring Operation: 86-76=10, Resulting Numbers: [25, 10] Generated Node #3: [25, 10] from Operation: 86-76=10 Current State: 35:[25, 10], Operations: ['55-30=25', '86-76=10'] Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[30, 55, 76, 86], Operations: [] Exploring Operation: 86-76=10, Resulting Numbers: [30, 55, 10] Generated Node #0,0: 35:[30, 55, 10] Operation: 86-76=10 Exploring Operation: 86-55=31, Resulting Numbers: [30, 76, 31] Generated Node #0,1: 35:[30, 76, 31] Operation: 86-55=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[30, 55, 10], Operations: ['86-76=10'] Exploring Operation: 55-10=45, Resulting Numbers: [30, 45] Generated Node #0,0,0: 35:[30, 45] Operation: 55-10=45 Exploring Operation: 55-30=25, Resulting Numbers: [10, 25] Generated Node #0,0,1: 35:[10, 25] Operation: 55-30=25 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[10, 25], Operations: ['86-76=10', '55-30=25'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[30, 55, 76, 86], Operations: [] Exploring Operation: 86-76=10, Resulting Numbers: [30, 55, 10] Generated Node #0,0: 35:[30, 55, 10] Operation: 86-76=10 Moving to Node #0,0 Current State: 35:[30, 55, 10], Operations: ['86-76=10'] Exploring Operation: 55-30=25, Resulting Numbers: [10, 25] Generated Node #0,0,1: 35:[10, 25] Operation: 55-30=25 Moving to Node #0,0,1 Current State: 35:[10, 25], Operations: ['86-76=10', '55-30=25'] Exploring Operation: 10+25=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 43, 36, 3, 4 ]
78
[ "43+36=79", "4-3=1", "79-1=78" ]
Current State: 78:[43, 36, 3, 4], Operations: [] Exploring Operation: 43+36=79, Resulting Numbers: [3, 4, 79] Generated Node #2: [3, 4, 79] from Operation: 43+36=79 Current State: 78:[3, 4, 79], Operations: ['43+36=79'] Exploring Operation: 4-3=1, Resulting Numbers: [79, 1] Generated Node #3: [79, 1] from Operation: 4-3=1 Current State: 78:[79, 1], Operations: ['43+36=79', '4-3=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[43, 36, 3, 4], Operations: [] Exploring Operation: 36+3=39, Resulting Numbers: [43, 4, 39] Generated Node #0,0: 78:[43, 4, 39] Operation: 36+3=39 Exploring Operation: 43-36=7, Resulting Numbers: [3, 4, 7] Generated Node #0,1: 78:[3, 4, 7] Operation: 43-36=7 Exploring Operation: 43-4=39, Resulting Numbers: [36, 3, 39] Generated Node #0,2: 78:[36, 3, 39] Operation: 43-4=39 Exploring Operation: 43-3=40, Resulting Numbers: [36, 4, 40] Generated Node #0,3: 78:[36, 4, 40] Operation: 43-3=40 Exploring Operation: 43+36=79, Resulting Numbers: [3, 4, 79] Generated Node #0,4: 78:[3, 4, 79] Operation: 43+36=79 Moving to Node #0,1 Current State: 78:[3, 4, 7], Operations: ['43-36=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 78:[4, 4] Operation: 7-3=4 Exploring Operation: 7-4=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 78:[3, 3] Operation: 7-4=3 Exploring Operation: 3+4=7, Resulting Numbers: [7, 7] Generated Node #0,1,2: 78:[7, 7] Operation: 3+4=7 Exploring Operation: 3*4=12, Resulting Numbers: [7, 12] Generated Node #0,1,3: 78:[7, 12] Operation: 3*4=12 Exploring Operation: 4-3=1, Resulting Numbers: [7, 1] Generated Node #0,1,4: 78:[7, 1] Operation: 4-3=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[3, 3], Operations: ['43-36=7', '7-4=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,78 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,78 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:[4, 4], Operations: ['43-36=7', '7-3=4'] Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,78 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,78 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 #0,1,2 Current State: 78:[7, 7], Operations: ['43-36=7', '3+4=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,78 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,78 unequal: No Solution Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,78 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 #0,1,3 Current State: 78:[7, 12], Operations: ['43-36=7', '3*4=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,78 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,78 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 #0,1,4 Current State: 78:[7, 1], Operations: ['43-36=7', '4-3=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,78 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: 78:[3, 4, 79], Operations: ['43+36=79'] Exploring Operation: 79-4=75, Resulting Numbers: [3, 75] Generated Node #0,4,0: 78:[3, 75] Operation: 79-4=75 Exploring Operation: 3+4=7, Resulting Numbers: [79, 7] Generated Node #0,4,1: 78:[79, 7] Operation: 3+4=7 Exploring Operation: 4-3=1, Resulting Numbers: [79, 1] Generated Node #0,4,2: 78:[79, 1] Operation: 4-3=1 Exploring Operation: 79-3=76, Resulting Numbers: [4, 76] Generated Node #0,4,3: 78:[4, 76] Operation: 79-3=76 Exploring Operation: 3*4=12, Resulting Numbers: [79, 12] Generated Node #0,4,4: 78:[79, 12] Operation: 3*4=12 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 78:[79, 7], Operations: ['43+36=79', '3+4=7'] Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,78 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,78 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 #0,4,2 Current State: 78:[79, 1], Operations: ['43+36=79', '4-3=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[43, 36, 3, 4], Operations: [] Exploring Operation: 43+36=79, Resulting Numbers: [3, 4, 79] Generated Node #0,4: 78:[3, 4, 79] Operation: 43+36=79 Moving to Node #0,4 Current State: 78:[3, 4, 79], Operations: ['43+36=79'] Exploring Operation: 4-3=1, Resulting Numbers: [79, 1] Generated Node #0,4,2: 78:[79, 1] Operation: 4-3=1 Moving to Node #0,4,2 Current State: 78:[79, 1], Operations: ['43+36=79', '4-3=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 67, 44, 92, 91 ]
87
[ "67-44=23", "92/23=4", "91-4=87" ]
Current State: 87:[67, 44, 92, 91], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [92, 91, 23] Generated Node #2: [92, 91, 23] from Operation: 67-44=23 Current State: 87:[92, 91, 23], Operations: ['67-44=23'] Exploring Operation: 92/23=4, Resulting Numbers: [91, 4] Generated Node #3: [91, 4] from Operation: 92/23=4 Current State: 87:[91, 4], Operations: ['67-44=23', '92/23=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[67, 44, 92, 91], Operations: [] Exploring Operation: 92-67=25, Resulting Numbers: [44, 91, 25] Generated Node #0,0: 87:[44, 91, 25] Operation: 92-67=25 Exploring Operation: 67-44=23, Resulting Numbers: [92, 91, 23] Generated Node #0,1: 87:[92, 91, 23] Operation: 67-44=23 Moving to Node #0,1 Current State: 87:[92, 91, 23], Operations: ['67-44=23'] Exploring Operation: 92-91=1, Resulting Numbers: [23, 1] Generated Node #0,1,0: 87:[23, 1] Operation: 92-91=1 Exploring Operation: 92/23=4, Resulting Numbers: [91, 4] Generated Node #0,1,1: 87:[91, 4] Operation: 92/23=4 Moving to Node #0,0 Current State: 87:[44, 91, 25], Operations: ['92-67=25'] Exploring Operation: 91-44=47, Resulting Numbers: [25, 47] Generated Node #0,0,0: 87:[25, 47] Operation: 91-44=47 Exploring Operation: 44-25=19, Resulting Numbers: [91, 19] Generated Node #0,0,1: 87:[91, 19] Operation: 44-25=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[91, 19], Operations: ['92-67=25', '44-25=19'] Exploring Operation: 91-19=72, Resulting Numbers: [72] 72,87 unequal: No Solution Exploring Operation: 91+19=110, Resulting Numbers: [110] 110,87 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 #0,0,0 Current State: 87:[25, 47], Operations: ['92-67=25', '91-44=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 87:[91, 4], Operations: ['67-44=23', '92/23=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[67, 44, 92, 91], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [92, 91, 23] Generated Node #0,1: 87:[92, 91, 23] Operation: 67-44=23 Moving to Node #0,1 Current State: 87:[92, 91, 23], Operations: ['67-44=23'] Exploring Operation: 92/23=4, Resulting Numbers: [91, 4] Generated Node #0,1,1: 87:[91, 4] Operation: 92/23=4 Moving to Node #0,1,1 Current State: 87:[91, 4], Operations: ['67-44=23', '92/23=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 52, 5, 12, 9 ]
19
[ "52+5=57", "12-9=3", "57/3=19" ]
Current State: 19:[52, 5, 12, 9], Operations: [] Exploring Operation: 52+5=57, Resulting Numbers: [12, 9, 57] Generated Node #2: [12, 9, 57] from Operation: 52+5=57 Current State: 19:[12, 9, 57], Operations: ['52+5=57'] Exploring Operation: 12-9=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 12-9=3 Current State: 19:[57, 3], Operations: ['52+5=57', '12-9=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[52, 5, 12, 9], Operations: [] Exploring Operation: 52-12=40, Resulting Numbers: [5, 9, 40] Generated Node #0,0: 19:[5, 9, 40] Operation: 52-12=40 Exploring Operation: 52-5=47, Resulting Numbers: [12, 9, 47] Generated Node #0,1: 19:[12, 9, 47] Operation: 52-5=47 Exploring Operation: 52-9=43, Resulting Numbers: [5, 12, 43] Generated Node #0,2: 19:[5, 12, 43] Operation: 52-9=43 Moving to Node #0,0 Current State: 19:[5, 9, 40], Operations: ['52-12=40'] Exploring Operation: 5+9=14, Resulting Numbers: [40, 14] Generated Node #0,0,0: 19:[40, 14] Operation: 5+9=14 Exploring Operation: 40/5=8, Resulting Numbers: [9, 8] Generated Node #0,0,1: 19:[9, 8] Operation: 40/5=8 Exploring Operation: 40-5=35, Resulting Numbers: [9, 35] Generated Node #0,0,2: 19:[9, 35] Operation: 40-5=35 Moving to Node #0,1 Current State: 19:[12, 9, 47], Operations: ['52-5=47'] Exploring Operation: 47-9=38, Resulting Numbers: [12, 38] Generated Node #0,1,0: 19:[12, 38] Operation: 47-9=38 Exploring Operation: 12+9=21, Resulting Numbers: [47, 21] Generated Node #0,1,1: 19:[47, 21] Operation: 12+9=21 Exploring Operation: 47-12=35, Resulting Numbers: [9, 35] Generated Node #0,1,2: 19:[9, 35] Operation: 47-12=35 Moving to Node #0,2 Current State: 19:[5, 12, 43], Operations: ['52-9=43'] Exploring Operation: 5+12=17, Resulting Numbers: [43, 17] Generated Node #0,2,0: 19:[43, 17] Operation: 5+12=17 Exploring Operation: 43-5=38, Resulting Numbers: [12, 38] Generated Node #0,2,1: 19:[12, 38] Operation: 43-5=38 Exploring Operation: 43-12=31, Resulting Numbers: [5, 31] Generated Node #0,2,2: 19:[5, 31] Operation: 43-12=31 Moving to Node #0,0,1 Current State: 19:[9, 8], Operations: ['52-12=40', '40/5=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[9, 35], Operations: ['52-12=40', '40-5=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,19 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[43, 17], Operations: ['52-9=43', '5+12=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,19 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[5, 31], Operations: ['52-9=43', '43-12=31'] Exploring Operation: 5*31=155, Resulting Numbers: [155] 155,19 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[12, 38], Operations: ['52-9=43', '43-5=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,19 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,19 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[40, 14], Operations: ['52-12=40', '5+9=14'] Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,19 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[12, 38], Operations: ['52-5=47', '47-9=38'] Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,19 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[9, 35], Operations: ['52-5=47', '47-12=35'] Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,19 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[47, 21], Operations: ['52-5=47', '12+9=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,19 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 24, 58, 40 ]
12
[ "6+24=30", "58-40=18", "30-18=12" ]
Current State: 12:[6, 24, 58, 40], Operations: [] Exploring Operation: 6+24=30, Resulting Numbers: [58, 40, 30] Generated Node #2: [58, 40, 30] from Operation: 6+24=30 Current State: 12:[58, 40, 30], Operations: ['6+24=30'] Exploring Operation: 58-40=18, Resulting Numbers: [30, 18] Generated Node #3: [30, 18] from Operation: 58-40=18 Current State: 12:[30, 18], Operations: ['6+24=30', '58-40=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 24, 58, 40], Operations: [] Exploring Operation: 40-24=16, Resulting Numbers: [6, 58, 16] Generated Node #0,0: 12:[6, 58, 16] Operation: 40-24=16 Exploring Operation: 58-40=18, Resulting Numbers: [6, 24, 18] Generated Node #0,1: 12:[6, 24, 18] Operation: 58-40=18 Exploring Operation: 58-24=34, Resulting Numbers: [6, 40, 34] Generated Node #0,2: 12:[6, 40, 34] Operation: 58-24=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[6, 24, 18], Operations: ['58-40=18'] Exploring Operation: 24-6=18, Resulting Numbers: [18, 18] Generated Node #0,1,0: 12:[18, 18] Operation: 24-6=18 Exploring Operation: 24-18=6, Resulting Numbers: [6, 6] Generated Node #0,1,1: 12:[6, 6] Operation: 24-18=6 Exploring Operation: 24/6=4, Resulting Numbers: [18, 4] Generated Node #0,1,2: 12:[18, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[6, 6], Operations: ['58-40=18', '24-18=6'] Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,12 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[6, 24, 58, 40], Operations: [] Exploring Operation: 58-40=18, Resulting Numbers: [6, 24, 18] Generated Node #0,1: 12:[6, 24, 18] Operation: 58-40=18 Moving to Node #0,1 Current State: 12:[6, 24, 18], Operations: ['58-40=18'] Exploring Operation: 24-18=6, Resulting Numbers: [6, 6] Generated Node #0,1,1: 12:[6, 6] Operation: 24-18=6 Moving to Node #0,1,1 Current State: 12:[6, 6], Operations: ['58-40=18', '24-18=6'] Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 61, 85, 3, 21 ]
93
[ "85-61=24", "3*24=72", "21+72=93" ]
Current State: 93:[61, 85, 3, 21], Operations: [] Exploring Operation: 85-61=24, Resulting Numbers: [3, 21, 24] Generated Node #2: [3, 21, 24] from Operation: 85-61=24 Current State: 93:[3, 21, 24], Operations: ['85-61=24'] Exploring Operation: 3*24=72, Resulting Numbers: [21, 72] Generated Node #3: [21, 72] from Operation: 3*24=72 Current State: 93:[21, 72], Operations: ['85-61=24', '3*24=72'] Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[61, 85, 3, 21], Operations: [] Exploring Operation: 61+21=82, Resulting Numbers: [85, 3, 82] Generated Node #0,0: 93:[85, 3, 82] Operation: 61+21=82 Exploring Operation: 85-61=24, Resulting Numbers: [3, 21, 24] Generated Node #0,1: 93:[3, 21, 24] Operation: 85-61=24 Exploring Operation: 61-21=40, Resulting Numbers: [85, 3, 40] Generated Node #0,2: 93:[85, 3, 40] Operation: 61-21=40 Moving to Node #0,1 Current State: 93:[3, 21, 24], Operations: ['85-61=24'] Exploring Operation: 3+21=24, Resulting Numbers: [24, 24] Generated Node #0,1,0: 93:[24, 24] Operation: 3+21=24 Exploring Operation: 21/3=7, Resulting Numbers: [24, 7] Generated Node #0,1,1: 93:[24, 7] Operation: 21/3=7 Exploring Operation: 24-21=3, Resulting Numbers: [3, 3] Generated Node #0,1,2: 93:[3, 3] Operation: 24-21=3 Moving to Node #0,2 Current State: 93:[85, 3, 40], Operations: ['61-21=40'] Exploring Operation: 40-3=37, Resulting Numbers: [85, 37] Generated Node #0,2,0: 93:[85, 37] Operation: 40-3=37 Exploring Operation: 85+3=88, Resulting Numbers: [40, 88] Generated Node #0,2,1: 93:[40, 88] Operation: 85+3=88 Exploring Operation: 85-40=45, Resulting Numbers: [3, 45] Generated Node #0,2,2: 93:[3, 45] Operation: 85-40=45 Moving to Node #0,0 Current State: 93:[85, 3, 82], Operations: ['61+21=82'] Exploring Operation: 3+82=85, Resulting Numbers: [85, 85] Generated Node #0,0,0: 93:[85, 85] Operation: 3+82=85 Exploring Operation: 85-82=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 93:[3, 3] Operation: 85-82=3 Exploring Operation: 85+3=88, Resulting Numbers: [82, 88] Generated Node #0,0,2: 93:[82, 88] Operation: 85+3=88 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[3, 3], Operations: ['61+21=82', '85-82=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[85, 85], Operations: ['61+21=82', '3+82=85'] Exploring Operation: 85/85=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 85-85=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 85+85=170, Resulting Numbers: [170] 170,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[82, 88], Operations: ['61+21=82', '85+3=88'] Exploring Operation: 82*88=7216, Resulting Numbers: [7216] 7216,93 unequal: No Solution Exploring Operation: 82+88=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 93:[3, 3], Operations: ['85-61=24', '24-21=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[24, 7], Operations: ['85-61=24', '21/3=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,93 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[24, 24], Operations: ['85-61=24', '3+21=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,93 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[3, 45], Operations: ['61-21=40', '85-40=45'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[40, 88], Operations: ['61-21=40', '85+3=88'] Exploring Operation: 40+88=128, Resulting Numbers: [128] 128,93 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,93 unequal: No Solution Exploring Operation: 40*88=3520, Resulting Numbers: [3520] 3520,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[85, 37], Operations: ['61-21=40', '40-3=37'] Exploring Operation: 85*37=3145, Resulting Numbers: [3145] 3145,93 unequal: No Solution Exploring Operation: 85+37=122, Resulting Numbers: [122] 122,93 unequal: No Solution Exploring Operation: 85-37=48, Resulting Numbers: [48] 48,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 20, 31, 74, 13 ]
42
[ "20*31=620", "620-74=546", "546/13=42" ]
Current State: 42:[20, 31, 74, 13], Operations: [] Exploring Operation: 20*31=620, Resulting Numbers: [74, 13, 620] Generated Node #2: [74, 13, 620] from Operation: 20*31=620 Current State: 42:[74, 13, 620], Operations: ['20*31=620'] Exploring Operation: 620-74=546, Resulting Numbers: [13, 546] Generated Node #3: [13, 546] from Operation: 620-74=546 Current State: 42:[13, 546], Operations: ['20*31=620', '620-74=546'] Exploring Operation: 546/13=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[20, 31, 74, 13], Operations: [] Exploring Operation: 74-20=54, Resulting Numbers: [31, 13, 54] Generated Node #0,0: 42:[31, 13, 54] Operation: 74-20=54 Exploring Operation: 74-31=43, Resulting Numbers: [20, 13, 43] Generated Node #0,1: 42:[20, 13, 43] Operation: 74-31=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[20, 13, 43], Operations: ['74-31=43'] Exploring Operation: 20-13=7, Resulting Numbers: [43, 7] Generated Node #0,1,0: 42:[43, 7] Operation: 20-13=7 Exploring Operation: 43-20=23, Resulting Numbers: [13, 23] Generated Node #0,1,1: 42:[13, 23] Operation: 43-20=23 Moving to Node #0,1,0 Current State: 42:[43, 7], Operations: ['74-31=43', '20-13=7'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,42 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[13, 23], Operations: ['74-31=43', '43-20=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[31, 13, 54], Operations: ['74-20=54'] Exploring Operation: 54-31=23, Resulting Numbers: [13, 23] Generated Node #0,0,0: 42:[13, 23] Operation: 54-31=23 Exploring Operation: 54-13=41, Resulting Numbers: [31, 41] Generated Node #0,0,1: 42:[31, 41] Operation: 54-13=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[13, 23], Operations: ['74-20=54', '54-31=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,42 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[31, 41], Operations: ['74-20=54', '54-13=41'] Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,42 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 18, 28, 42, 30 ]
66
[ "30-28=2", "42*2=84", "84-18=66" ]
Current State: 66:[18, 28, 42, 30], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [18, 42, 2] Generated Node #2: [18, 42, 2] from Operation: 30-28=2 Current State: 66:[18, 42, 2], Operations: ['30-28=2'] Exploring Operation: 42*2=84, Resulting Numbers: [18, 84] Generated Node #3: [18, 84] from Operation: 42*2=84 Current State: 66:[18, 84], Operations: ['30-28=2', '42*2=84'] Exploring Operation: 84-18=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[18, 28, 42, 30], Operations: [] Exploring Operation: 42-18=24, Resulting Numbers: [28, 30, 24] Generated Node #0,0: 66:[28, 30, 24] Operation: 42-18=24 Exploring Operation: 42-28=14, Resulting Numbers: [18, 30, 14] Generated Node #0,1: 66:[18, 30, 14] Operation: 42-28=14 Exploring Operation: 42-30=12, Resulting Numbers: [18, 28, 12] Generated Node #0,2: 66:[18, 28, 12] Operation: 42-30=12 Moving to Node #0,0 Current State: 66:[28, 30, 24], Operations: ['42-18=24'] Exploring Operation: 30-24=6, Resulting Numbers: [28, 6] Generated Node #0,0,0: 66:[28, 6] Operation: 30-24=6 Exploring Operation: 28-24=4, Resulting Numbers: [30, 4] Generated Node #0,0,1: 66:[30, 4] Operation: 28-24=4 Exploring Operation: 30-28=2, Resulting Numbers: [24, 2] Generated Node #0,0,2: 66:[24, 2] Operation: 30-28=2 Moving to Node #0,1 Current State: 66:[18, 30, 14], Operations: ['42-28=14'] Exploring Operation: 18+14=32, Resulting Numbers: [30, 32] Generated Node #0,1,0: 66:[30, 32] Operation: 18+14=32 Exploring Operation: 30-18=12, Resulting Numbers: [14, 12] Generated Node #0,1,1: 66:[14, 12] Operation: 30-18=12 Exploring Operation: 18-14=4, Resulting Numbers: [30, 4] Generated Node #0,1,2: 66:[30, 4] Operation: 18-14=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[30, 32], Operations: ['42-28=14', '18+14=32'] Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,66 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[14, 12], Operations: ['42-28=14', '30-18=12'] Exploring Operation: 14+12=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 14*12=168, Resulting Numbers: [168] 168,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[30, 4], Operations: ['42-28=14', '18-14=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,66 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: 66:[18, 28, 12], Operations: ['42-30=12'] Exploring Operation: 18-12=6, Resulting Numbers: [28, 6] Generated Node #0,2,0: 66:[28, 6] Operation: 18-12=6 Exploring Operation: 18+12=30, Resulting Numbers: [28, 30] Generated Node #0,2,1: 66:[28, 30] Operation: 18+12=30 Exploring Operation: 28-18=10, Resulting Numbers: [12, 10] Generated Node #0,2,2: 66:[12, 10] Operation: 28-18=10 Moving to Node #0,0,2 Current State: 66:[24, 2], Operations: ['42-18=24', '30-28=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[12, 10], Operations: ['42-30=12', '28-18=10'] Exploring Operation: 12*10=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[30, 4], Operations: ['42-18=24', '28-24=4'] Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,66 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[28, 6], Operations: ['42-18=24', '30-24=6'] Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,66 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[28, 6], Operations: ['42-30=12', '18-12=6'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,66 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[28, 30], Operations: ['42-30=12', '18+12=30'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,66 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,66 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,66 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 81, 97, 1, 31 ]
47
[ "97-81=16", "1*31=31", "16+31=47" ]
Current State: 47:[81, 97, 1, 31], Operations: [] Exploring Operation: 97-81=16, Resulting Numbers: [1, 31, 16] Generated Node #2: [1, 31, 16] from Operation: 97-81=16 Current State: 47:[1, 31, 16], Operations: ['97-81=16'] Exploring Operation: 1*31=31, Resulting Numbers: [16, 31] Generated Node #3: [16, 31] from Operation: 1*31=31 Current State: 47:[16, 31], Operations: ['97-81=16', '1*31=31'] Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[81, 97, 1, 31], Operations: [] Exploring Operation: 81-1=80, Resulting Numbers: [97, 31, 80] Generated Node #0,0: 47:[97, 31, 80] Operation: 81-1=80 Exploring Operation: 97-81=16, Resulting Numbers: [1, 31, 16] Generated Node #0,1: 47:[1, 31, 16] Operation: 97-81=16 Exploring Operation: 81-31=50, Resulting Numbers: [97, 1, 50] Generated Node #0,2: 47:[97, 1, 50] Operation: 81-31=50 Exploring Operation: 97-1=96, Resulting Numbers: [81, 31, 96] Generated Node #0,3: 47:[81, 31, 96] Operation: 97-1=96 Exploring Operation: 97-31=66, Resulting Numbers: [81, 1, 66] Generated Node #0,4: 47:[81, 1, 66] Operation: 97-31=66 Moving to Node #0,1 Current State: 47:[1, 31, 16], Operations: ['97-81=16'] Exploring Operation: 1*31=31, Resulting Numbers: [16, 31] Generated Node #0,1,0: 47:[16, 31] Operation: 1*31=31 Exploring Operation: 1+16=17, Resulting Numbers: [31, 17] Generated Node #0,1,1: 47:[31, 17] Operation: 1+16=17 Exploring Operation: 31/1=31, Resulting Numbers: [16, 31] Generated Node #0,1,2: 47:[16, 31] Operation: 31/1=31 Exploring Operation: 1+31=32, Resulting Numbers: [16, 32] Generated Node #0,1,3: 47:[16, 32] Operation: 1+31=32 Exploring Operation: 31+16=47, Resulting Numbers: [1, 47] Generated Node #0,1,4: 47:[1, 47] Operation: 31+16=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[31, 17], Operations: ['97-81=16', '1+16=17'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,47 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,47 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 47:[16, 32], Operations: ['97-81=16', '1+31=32'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,47 unequal: No Solution Exploring Operation: 16+32=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 16*32=512, Resulting Numbers: [512] 512,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 47:[1, 47], Operations: ['97-81=16', '31+16=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[81, 97, 1, 31], Operations: [] Exploring Operation: 97-81=16, Resulting Numbers: [1, 31, 16] Generated Node #0,1: 47:[1, 31, 16] Operation: 97-81=16 Moving to Node #0,1 Current State: 47:[1, 31, 16], Operations: ['97-81=16'] Exploring Operation: 31+16=47, Resulting Numbers: [1, 47] Generated Node #0,1,4: 47:[1, 47] Operation: 31+16=47 Moving to Node #0,1,4 Current State: 47:[1, 47], Operations: ['97-81=16', '31+16=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 24, 38, 15, 31 ]
78
[ "24+38=62", "31-15=16", "62+16=78" ]
Current State: 78:[24, 38, 15, 31], Operations: [] Exploring Operation: 24+38=62, Resulting Numbers: [15, 31, 62] Generated Node #2: [15, 31, 62] from Operation: 24+38=62 Current State: 78:[15, 31, 62], Operations: ['24+38=62'] Exploring Operation: 31-15=16, Resulting Numbers: [62, 16] Generated Node #3: [62, 16] from Operation: 31-15=16 Current State: 78:[62, 16], Operations: ['24+38=62', '31-15=16'] Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 38, 15, 31], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [38, 15, 7] Generated Node #0,0: 78:[38, 15, 7] Operation: 31-24=7 Moving to Node #0,0 Current State: 78:[38, 15, 7], Operations: ['31-24=7'] Exploring Operation: 15-7=8, Resulting Numbers: [38, 8] Generated Node #0,0,0: 78:[38, 8] Operation: 15-7=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[38, 8], Operations: ['31-24=7', '15-7=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,78 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
[ 46, 32, 54, 19 ]
15
[ "54-46=8", "32/8=4", "19-4=15" ]
Current State: 15:[46, 32, 54, 19], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [32, 19, 8] Generated Node #2: [32, 19, 8] from Operation: 54-46=8 Current State: 15:[32, 19, 8], Operations: ['54-46=8'] Exploring Operation: 32/8=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 32/8=4 Current State: 15:[19, 4], Operations: ['54-46=8', '32/8=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[46, 32, 54, 19], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [32, 19, 8] Generated Node #0,0: 15:[32, 19, 8] Operation: 54-46=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[32, 19, 8], Operations: ['54-46=8'] Exploring Operation: 32-19=13, Resulting Numbers: [8, 13] Generated Node #0,0,0: 15:[8, 13] Operation: 32-19=13 Moving to Node #0,0,0 Current State: 15:[8, 13], Operations: ['54-46=8', '32-19=13'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,15 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
[ 62, 11, 74, 17 ]
71
[ "62-11=51", "51/17=3", "74-3=71" ]
Current State: 71:[62, 11, 74, 17], Operations: [] Exploring Operation: 62-11=51, Resulting Numbers: [74, 17, 51] Generated Node #2: [74, 17, 51] from Operation: 62-11=51 Current State: 71:[74, 17, 51], Operations: ['62-11=51'] Exploring Operation: 51/17=3, Resulting Numbers: [74, 3] Generated Node #3: [74, 3] from Operation: 51/17=3 Current State: 71:[74, 3], Operations: ['62-11=51', '51/17=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[62, 11, 74, 17], Operations: [] Exploring Operation: 74-11=63, Resulting Numbers: [62, 17, 63] Generated Node #0,0: 71:[62, 17, 63] Operation: 74-11=63 Exploring Operation: 11+17=28, Resulting Numbers: [62, 74, 28] Generated Node #0,1: 71:[62, 74, 28] Operation: 11+17=28 Exploring Operation: 62+11=73, Resulting Numbers: [74, 17, 73] Generated Node #0,2: 71:[74, 17, 73] Operation: 62+11=73 Exploring Operation: 62+17=79, Resulting Numbers: [11, 74, 79] Generated Node #0,3: 71:[11, 74, 79] Operation: 62+17=79 Exploring Operation: 62-11=51, Resulting Numbers: [74, 17, 51] Generated Node #0,4: 71:[74, 17, 51] Operation: 62-11=51 Moving to Node #0,1 Current State: 71:[62, 74, 28], Operations: ['11+17=28'] Exploring Operation: 62-28=34, Resulting Numbers: [74, 34] Generated Node #0,1,0: 71:[74, 34] Operation: 62-28=34 Exploring Operation: 74+28=102, Resulting Numbers: [62, 102] Generated Node #0,1,1: 71:[62, 102] Operation: 74+28=102 Exploring Operation: 74-62=12, Resulting Numbers: [28, 12] Generated Node #0,1,2: 71:[28, 12] Operation: 74-62=12 Exploring Operation: 74-28=46, Resulting Numbers: [62, 46] Generated Node #0,1,3: 71:[62, 46] Operation: 74-28=46 Exploring Operation: 62+28=90, Resulting Numbers: [74, 90] Generated Node #0,1,4: 71:[74, 90] Operation: 62+28=90 Moving to Node #0,2 Current State: 71:[74, 17, 73], Operations: ['62+11=73'] Exploring Operation: 17+73=90, Resulting Numbers: [74, 90] Generated Node #0,2,0: 71:[74, 90] Operation: 17+73=90 Exploring Operation: 74-73=1, Resulting Numbers: [17, 1] Generated Node #0,2,1: 71:[17, 1] Operation: 74-73=1 Exploring Operation: 74+17=91, Resulting Numbers: [73, 91] Generated Node #0,2,2: 71:[73, 91] Operation: 74+17=91 Exploring Operation: 73-17=56, Resulting Numbers: [74, 56] Generated Node #0,2,3: 71:[74, 56] Operation: 73-17=56 Exploring Operation: 74-17=57, Resulting Numbers: [73, 57] Generated Node #0,2,4: 71:[73, 57] Operation: 74-17=57 Moving to Node #0,0 Current State: 71:[62, 17, 63], Operations: ['74-11=63'] Exploring Operation: 62-17=45, Resulting Numbers: [63, 45] Generated Node #0,0,0: 71:[63, 45] Operation: 62-17=45 Exploring Operation: 17+63=80, Resulting Numbers: [62, 80] Generated Node #0,0,1: 71:[62, 80] Operation: 17+63=80 Exploring Operation: 62+63=125, Resulting Numbers: [17, 125] Generated Node #0,0,2: 71:[17, 125] Operation: 62+63=125 Exploring Operation: 63-17=46, Resulting Numbers: [62, 46] Generated Node #0,0,3: 71:[62, 46] Operation: 63-17=46 Exploring Operation: 62+17=79, Resulting Numbers: [63, 79] Generated Node #0,0,4: 71:[63, 79] Operation: 62+17=79 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[63, 79], Operations: ['74-11=63', '62+17=79'] Exploring Operation: 63*79=4977, Resulting Numbers: [4977] 4977,71 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 63+79=142, Resulting Numbers: [142] 142,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[62, 80], Operations: ['74-11=63', '17+63=80'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,71 unequal: No Solution Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[63, 45], Operations: ['74-11=63', '62-17=45'] Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,71 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[62, 46], Operations: ['74-11=63', '63-17=46'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,71 unequal: No Solution Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[17, 125], Operations: ['74-11=63', '62+63=125'] Exploring Operation: 17*125=2125, Resulting Numbers: [2125] 2125,71 unequal: No Solution Exploring Operation: 125-17=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 17+125=142, Resulting Numbers: [142] 142,71 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: 71:[11, 74, 79], Operations: ['62+17=79'] Exploring Operation: 11+79=90, Resulting Numbers: [74, 90] Generated Node #0,3,0: 71:[74, 90] Operation: 11+79=90 Exploring Operation: 79-74=5, Resulting Numbers: [11, 5] Generated Node #0,3,1: 71:[11, 5] Operation: 79-74=5 Exploring Operation: 11+74=85, Resulting Numbers: [79, 85] Generated Node #0,3,2: 71:[79, 85] Operation: 11+74=85 Exploring Operation: 74-11=63, Resulting Numbers: [79, 63] Generated Node #0,3,3: 71:[79, 63] Operation: 74-11=63 Exploring Operation: 79-11=68, Resulting Numbers: [74, 68] Generated Node #0,3,4: 71:[74, 68] Operation: 79-11=68 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[74, 68], Operations: ['62+17=79', '79-11=68'] Exploring Operation: 74+68=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 74*68=5032, Resulting Numbers: [5032] 5032,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 71:[79, 63], Operations: ['62+17=79', '74-11=63'] Exploring Operation: 79+63=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 79-63=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 79*63=4977, Resulting Numbers: [4977] 4977,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 71:[74, 90], Operations: ['62+17=79', '11+79=90'] Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,71 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 71:[79, 85], Operations: ['62+17=79', '11+74=85'] Exploring Operation: 79+85=164, Resulting Numbers: [164] 164,71 unequal: No Solution Exploring Operation: 79*85=6715, Resulting Numbers: [6715] 6715,71 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 71:[11, 5], Operations: ['62+17=79', '79-74=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,71 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: 71:[74, 17, 51], Operations: ['62-11=51'] Exploring Operation: 74-17=57, Resulting Numbers: [51, 57] Generated Node #0,4,0: 71:[51, 57] Operation: 74-17=57 Exploring Operation: 17+51=68, Resulting Numbers: [74, 68] Generated Node #0,4,1: 71:[74, 68] Operation: 17+51=68 Exploring Operation: 51-17=34, Resulting Numbers: [74, 34] Generated Node #0,4,2: 71:[74, 34] Operation: 51-17=34 Exploring Operation: 51/17=3, Resulting Numbers: [74, 3] Generated Node #0,4,3: 71:[74, 3] Operation: 51/17=3 Exploring Operation: 74+17=91, Resulting Numbers: [51, 91] Generated Node #0,4,4: 71:[51, 91] Operation: 74+17=91 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[74, 68], Operations: ['62-11=51', '17+51=68'] Exploring Operation: 74*68=5032, Resulting Numbers: [5032] 5032,71 unequal: No Solution Exploring Operation: 74+68=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[51, 57], Operations: ['62-11=51', '74-17=57'] Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,71 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[74, 34], Operations: ['62-11=51', '51-17=34'] Exploring Operation: 74*34=2516, Resulting Numbers: [2516] 2516,71 unequal: No Solution Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 74+34=108, Resulting Numbers: [108] 108,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[51, 91], Operations: ['62-11=51', '74+17=91'] Exploring Operation: 51+91=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 51*91=4641, Resulting Numbers: [4641] 4641,71 unequal: No Solution Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[74, 3], Operations: ['62-11=51', '51/17=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[62, 11, 74, 17], Operations: [] Exploring Operation: 62-11=51, Resulting Numbers: [74, 17, 51] Generated Node #0,4: 71:[74, 17, 51] Operation: 62-11=51 Moving to Node #0,4 Current State: 71:[74, 17, 51], Operations: ['62-11=51'] Exploring Operation: 51/17=3, Resulting Numbers: [74, 3] Generated Node #0,4,3: 71:[74, 3] Operation: 51/17=3 Moving to Node #0,4,3 Current State: 71:[74, 3], Operations: ['62-11=51', '51/17=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.93316
hs_5
mult_heuristic
[ 72, 38, 90, 80 ]
16
[ "80-72=8", "38+90=128", "128/8=16" ]
Current State: 16:[72, 38, 90, 80], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [38, 90, 8] Generated Node #2: [38, 90, 8] from Operation: 80-72=8 Current State: 16:[38, 90, 8], Operations: ['80-72=8'] Exploring Operation: 38+90=128, Resulting Numbers: [8, 128] Generated Node #3: [8, 128] from Operation: 38+90=128 Current State: 16:[8, 128], Operations: ['80-72=8', '38+90=128'] Exploring Operation: 128/8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[72, 38, 90, 80], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [38, 80, 18] Generated Node #0,0: 16:[38, 80, 18] Operation: 90-72=18 Exploring Operation: 90-80=10, Resulting Numbers: [72, 38, 10] Generated Node #0,1: 16:[72, 38, 10] Operation: 90-80=10 Exploring Operation: 80-72=8, Resulting Numbers: [38, 90, 8] Generated Node #0,2: 16:[38, 90, 8] Operation: 80-72=8 Exploring Operation: 72-38=34, Resulting Numbers: [90, 80, 34] Generated Node #0,3: 16:[90, 80, 34] Operation: 72-38=34 Exploring Operation: 90-38=52, Resulting Numbers: [72, 80, 52] Generated Node #0,4: 16:[72, 80, 52] Operation: 90-38=52 Moving to Node #0,1 Current State: 16:[72, 38, 10], Operations: ['90-80=10'] Exploring Operation: 72-38=34, Resulting Numbers: [10, 34] Generated Node #0,1,0: 16:[10, 34] Operation: 72-38=34 Exploring Operation: 72+10=82, Resulting Numbers: [38, 82] Generated Node #0,1,1: 16:[38, 82] Operation: 72+10=82 Exploring Operation: 38-10=28, Resulting Numbers: [72, 28] Generated Node #0,1,2: 16:[72, 28] Operation: 38-10=28 Exploring Operation: 38+10=48, Resulting Numbers: [72, 48] Generated Node #0,1,3: 16:[72, 48] Operation: 38+10=48 Exploring Operation: 72-10=62, Resulting Numbers: [38, 62] Generated Node #0,1,4: 16:[38, 62] Operation: 72-10=62 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[10, 34], Operations: ['90-80=10', '72-38=34'] Exploring Operation: 10*34=340, Resulting Numbers: [340] 340,16 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 10+34=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[72, 28], Operations: ['90-80=10', '38-10=28'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,16 unequal: No Solution Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 16:[38, 62], Operations: ['90-80=10', '72-10=62'] Exploring Operation: 38*62=2356, Resulting Numbers: [2356] 2356,16 unequal: No Solution Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 38+62=100, Resulting Numbers: [100] 100,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[38, 82], Operations: ['90-80=10', '72+10=82'] Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,16 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 16:[72, 48], Operations: ['90-80=10', '38+10=48'] Exploring Operation: 72+48=120, Resulting Numbers: [120] 120,16 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 72*48=3456, Resulting Numbers: [3456] 3456,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 16:[38, 80, 18], Operations: ['90-72=18'] Exploring Operation: 80-38=42, Resulting Numbers: [18, 42] Generated Node #0,0,0: 16:[18, 42] Operation: 80-38=42 Exploring Operation: 80-18=62, Resulting Numbers: [38, 62] Generated Node #0,0,1: 16:[38, 62] Operation: 80-18=62 Exploring Operation: 38+80=118, Resulting Numbers: [18, 118] Generated Node #0,0,2: 16:[18, 118] Operation: 38+80=118 Exploring Operation: 38+18=56, Resulting Numbers: [80, 56] Generated Node #0,0,3: 16:[80, 56] Operation: 38+18=56 Exploring Operation: 38-18=20, Resulting Numbers: [80, 20] Generated Node #0,0,4: 16:[80, 20] Operation: 38-18=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[18, 42], Operations: ['90-72=18', '80-38=42'] Exploring Operation: 18*42=756, Resulting Numbers: [756] 756,16 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,16 unequal: No Solution No 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: 16:[38, 62], Operations: ['90-72=18', '80-18=62'] Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 38*62=2356, Resulting Numbers: [2356] 2356,16 unequal: No Solution Exploring Operation: 38+62=100, Resulting Numbers: [100] 100,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 16:[80, 20], Operations: ['90-72=18', '38-18=20'] Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 80*20=1600, Resulting Numbers: [1600] 1600,16 unequal: No Solution Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 80+20=100, Resulting Numbers: [100] 100,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[18, 118], Operations: ['90-72=18', '38+80=118'] Exploring Operation: 18+118=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 118-18=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 18*118=2124, Resulting Numbers: [2124] 2124,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 16:[80, 56], Operations: ['90-72=18', '38+18=56'] Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,16 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: 16:[38, 90, 8], Operations: ['80-72=8'] Exploring Operation: 90-38=52, Resulting Numbers: [8, 52] Generated Node #0,2,0: 16:[8, 52] Operation: 90-38=52 Exploring Operation: 38-8=30, Resulting Numbers: [90, 30] Generated Node #0,2,1: 16:[90, 30] Operation: 38-8=30 Exploring Operation: 38+8=46, Resulting Numbers: [90, 46] Generated Node #0,2,2: 16:[90, 46] Operation: 38+8=46 Exploring Operation: 90+8=98, Resulting Numbers: [38, 98] Generated Node #0,2,3: 16:[38, 98] Operation: 90+8=98 Exploring Operation: 90-8=82, Resulting Numbers: [38, 82] Generated Node #0,2,4: 16:[38, 82] Operation: 90-8=82 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[8, 52], Operations: ['80-72=8', '90-38=52'] Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,16 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 16:[90, 30], Operations: ['80-72=8', '38-8=30'] Exploring Operation: 90-30=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 90+30=120, Resulting Numbers: [120] 120,16 unequal: No Solution Exploring Operation: 90/30=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 90*30=2700, Resulting Numbers: [2700] 2700,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 16:[38, 82], Operations: ['80-72=8', '90-8=82'] Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,16 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,16 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 16:[90, 46], Operations: ['80-72=8', '38+8=46'] Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,16 unequal: No Solution Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[38, 98], Operations: ['80-72=8', '90+8=98'] Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 38*98=3724, Resulting Numbers: [3724] 3724,16 unequal: No Solution Exploring Operation: 38+98=136, Resulting Numbers: [136] 136,16 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: 16:[90, 80, 34], Operations: ['72-38=34'] Exploring Operation: 90+80=170, Resulting Numbers: [34, 170] Generated Node #0,3,0: 16:[34, 170] Operation: 90+80=170 Exploring Operation: 90+34=124, Resulting Numbers: [80, 124] Generated Node #0,3,1: 16:[80, 124] Operation: 90+34=124 Exploring Operation: 80-34=46, Resulting Numbers: [90, 46] Generated Node #0,3,2: 16:[90, 46] Operation: 80-34=46 Exploring Operation: 90-34=56, Resulting Numbers: [80, 56] Generated Node #0,3,3: 16:[80, 56] Operation: 90-34=56 Exploring Operation: 90-80=10, Resulting Numbers: [34, 10] Generated Node #0,3,4: 16:[34, 10] Operation: 90-80=10 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 16:[34, 10], Operations: ['72-38=34', '90-80=10'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 34*10=340, Resulting Numbers: [340] 340,16 unequal: No Solution Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[90, 46], Operations: ['72-38=34', '80-34=46'] Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[80, 56], Operations: ['72-38=34', '90-34=56'] Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,16 unequal: No Solution Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[34, 170], Operations: ['72-38=34', '90+80=170'] Exploring Operation: 34*170=5780, Resulting Numbers: [5780] 5780,16 unequal: No Solution Exploring Operation: 170/34=5, Resulting Numbers: [5] 5,16 unequal: No Solution Exploring Operation: 170-34=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 34+170=204, Resulting Numbers: [204] 204,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[80, 124], Operations: ['72-38=34', '90+34=124'] Exploring Operation: 80*124=9920, Resulting Numbers: [9920] 9920,16 unequal: No Solution Exploring Operation: 80+124=204, Resulting Numbers: [204] 204,16 unequal: No Solution Exploring Operation: 124-80=44, Resulting Numbers: [44] 44,16 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: 16:[72, 80, 52], Operations: ['90-38=52'] Exploring Operation: 80-72=8, Resulting Numbers: [52, 8] Generated Node #0,4,0: 16:[52, 8] Operation: 80-72=8 Exploring Operation: 72+52=124, Resulting Numbers: [80, 124] Generated Node #0,4,1: 16:[80, 124] Operation: 72+52=124 Exploring Operation: 72+80=152, Resulting Numbers: [52, 152] Generated Node #0,4,2: 16:[52, 152] Operation: 72+80=152 Exploring Operation: 80-52=28, Resulting Numbers: [72, 28] Generated Node #0,4,3: 16:[72, 28] Operation: 80-52=28 Exploring Operation: 72-52=20, Resulting Numbers: [80, 20] Generated Node #0,4,4: 16:[80, 20] Operation: 72-52=20 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 16:[52, 8], Operations: ['90-38=52', '80-72=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 16:[72, 28], Operations: ['90-38=52', '80-52=28'] Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,16 unequal: No Solution Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 16:[80, 20], Operations: ['90-38=52', '72-52=20'] Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 80+20=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 80*20=1600, Resulting Numbers: [1600] 1600,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 16:[80, 124], Operations: ['90-38=52', '72+52=124'] Exploring Operation: 80*124=9920, Resulting Numbers: [9920] 9920,16 unequal: No Solution Exploring Operation: 124-80=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 80+124=204, Resulting Numbers: [204] 204,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 16:[52, 152], Operations: ['90-38=52', '72+80=152'] Exploring Operation: 152-52=100, Resulting Numbers: [100] 100,16 unequal: No Solution Exploring Operation: 52+152=204, Resulting Numbers: [204] 204,16 unequal: No Solution Exploring Operation: 52*152=7904, Resulting Numbers: [7904] 7904,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 45, 24, 46, 72 ]
43
[ "45+24=69", "72-46=26", "69-26=43" ]
Current State: 43:[45, 24, 46, 72], Operations: [] Exploring Operation: 45+24=69, Resulting Numbers: [46, 72, 69] Generated Node #2: [46, 72, 69] from Operation: 45+24=69 Current State: 43:[46, 72, 69], Operations: ['45+24=69'] Exploring Operation: 72-46=26, Resulting Numbers: [69, 26] Generated Node #3: [69, 26] from Operation: 72-46=26 Current State: 43:[69, 26], Operations: ['45+24=69', '72-46=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[45, 24, 46, 72], Operations: [] Exploring Operation: 72-46=26, Resulting Numbers: [45, 24, 26] Generated Node #0,0: 43:[45, 24, 26] Operation: 72-46=26 Exploring Operation: 72-24=48, Resulting Numbers: [45, 46, 48] Generated Node #0,1: 43:[45, 46, 48] Operation: 72-24=48 Exploring Operation: 72-45=27, Resulting Numbers: [24, 46, 27] Generated Node #0,2: 43:[24, 46, 27] Operation: 72-45=27 Moving to Node #0,1 Current State: 43:[45, 46, 48], Operations: ['72-24=48'] Exploring Operation: 46-45=1, Resulting Numbers: [48, 1] Generated Node #0,1,0: 43:[48, 1] Operation: 46-45=1 Exploring Operation: 48-46=2, Resulting Numbers: [45, 2] Generated Node #0,1,1: 43:[45, 2] Operation: 48-46=2 Exploring Operation: 48-45=3, Resulting Numbers: [46, 3] Generated Node #0,1,2: 43:[46, 3] Operation: 48-45=3 Moving to Node #0,0 Current State: 43:[45, 24, 26], Operations: ['72-46=26'] Exploring Operation: 45+24=69, Resulting Numbers: [26, 69] Generated Node #0,0,0: 43:[26, 69] Operation: 45+24=69 Exploring Operation: 45-24=21, Resulting Numbers: [26, 21] Generated Node #0,0,1: 43:[26, 21] Operation: 45-24=21 Exploring Operation: 24+26=50, Resulting Numbers: [45, 50] Generated Node #0,0,2: 43:[45, 50] Operation: 24+26=50 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[45, 50], Operations: ['72-46=26', '24+26=50'] Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,43 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,43 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[26, 21], Operations: ['72-46=26', '45-24=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,43 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[26, 69], Operations: ['72-46=26', '45+24=69'] Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,43 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[45, 24, 46, 72], Operations: [] Exploring Operation: 72-46=26, Resulting Numbers: [45, 24, 26] Generated Node #0,0: 43:[45, 24, 26] Operation: 72-46=26 Moving to Node #0,0 Current State: 43:[45, 24, 26], Operations: ['72-46=26'] Exploring Operation: 45+24=69, Resulting Numbers: [26, 69] Generated Node #0,0,0: 43:[26, 69] Operation: 45+24=69 Moving to Node #0,0,0 Current State: 43:[26, 69], Operations: ['72-46=26', '45+24=69'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
sum_heuristic
[ 99, 96, 42, 86 ]
67
[ "99+96=195", "42+86=128", "195-128=67" ]
Current State: 67:[99, 96, 42, 86], Operations: [] Exploring Operation: 99+96=195, Resulting Numbers: [42, 86, 195] Generated Node #2: [42, 86, 195] from Operation: 99+96=195 Current State: 67:[42, 86, 195], Operations: ['99+96=195'] Exploring Operation: 42+86=128, Resulting Numbers: [195, 128] Generated Node #3: [195, 128] from Operation: 42+86=128 Current State: 67:[195, 128], Operations: ['99+96=195', '42+86=128'] Exploring Operation: 195-128=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[99, 96, 42, 86], Operations: [] Exploring Operation: 86-42=44, Resulting Numbers: [99, 96, 44] Generated Node #0,0: 67:[99, 96, 44] Operation: 86-42=44 Exploring Operation: 99-42=57, Resulting Numbers: [96, 86, 57] Generated Node #0,1: 67:[96, 86, 57] Operation: 99-42=57 Exploring Operation: 96-42=54, Resulting Numbers: [99, 86, 54] Generated Node #0,2: 67:[99, 86, 54] Operation: 96-42=54 Moving to Node #0,1 Current State: 67:[96, 86, 57], Operations: ['99-42=57'] Exploring Operation: 96-57=39, Resulting Numbers: [86, 39] Generated Node #0,1,0: 67:[86, 39] Operation: 96-57=39 Exploring Operation: 96-86=10, Resulting Numbers: [57, 10] Generated Node #0,1,1: 67:[57, 10] Operation: 96-86=10 Exploring Operation: 86-57=29, Resulting Numbers: [96, 29] Generated Node #0,1,2: 67:[96, 29] Operation: 86-57=29 Moving to Node #0,2 Current State: 67:[99, 86, 54], Operations: ['96-42=54'] Exploring Operation: 99-86=13, Resulting Numbers: [54, 13] Generated Node #0,2,0: 67:[54, 13] Operation: 99-86=13 Exploring Operation: 86-54=32, Resulting Numbers: [99, 32] Generated Node #0,2,1: 67:[99, 32] Operation: 86-54=32 Exploring Operation: 99-54=45, Resulting Numbers: [86, 45] Generated Node #0,2,2: 67:[86, 45] Operation: 99-54=45 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[86, 45], Operations: ['96-42=54', '99-54=45'] Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,67 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[54, 13], Operations: ['96-42=54', '99-86=13'] Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,67 unequal: No Solution Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[99, 96, 42, 86], Operations: [] Exploring Operation: 96-42=54, Resulting Numbers: [99, 86, 54] Generated Node #0,2: 67:[99, 86, 54] Operation: 96-42=54 Moving to Node #0,2 Current State: 67:[99, 86, 54], Operations: ['96-42=54'] Exploring Operation: 99-86=13, Resulting Numbers: [54, 13] Generated Node #0,2,0: 67:[54, 13] Operation: 99-86=13 Moving to Node #0,2,0 Current State: 67:[54, 13], Operations: ['96-42=54', '99-86=13'] Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 56, 91, 99, 48 ]
16
[ "91-56=35", "99-48=51", "51-35=16" ]
Current State: 16:[56, 91, 99, 48], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [99, 48, 35] Generated Node #2: [99, 48, 35] from Operation: 91-56=35 Current State: 16:[99, 48, 35], Operations: ['91-56=35'] Exploring Operation: 99-48=51, Resulting Numbers: [35, 51] Generated Node #3: [35, 51] from Operation: 99-48=51 Current State: 16:[35, 51], Operations: ['91-56=35', '99-48=51'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[56, 91, 99, 48], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [99, 48, 35] Generated Node #0,0: 16:[99, 48, 35] Operation: 91-56=35 Exploring Operation: 91-48=43, Resulting Numbers: [56, 99, 43] Generated Node #0,1: 16:[56, 99, 43] Operation: 91-48=43 Exploring Operation: 99-91=8, Resulting Numbers: [56, 48, 8] Generated Node #0,2: 16:[56, 48, 8] Operation: 99-91=8 Exploring Operation: 99-56=43, Resulting Numbers: [91, 48, 43] Generated Node #0,3: 16:[91, 48, 43] Operation: 99-56=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[56, 48, 8], Operations: ['99-91=8'] Exploring Operation: 48/8=6, Resulting Numbers: [56, 6] Generated Node #0,2,0: 16:[56, 6] Operation: 48/8=6 Exploring Operation: 56-8=48, Resulting Numbers: [48, 48] Generated Node #0,2,1: 16:[48, 48] Operation: 56-8=48 Exploring Operation: 56-48=8, Resulting Numbers: [8, 8] Generated Node #0,2,2: 16:[8, 8] Operation: 56-48=8 Exploring Operation: 56/8=7, Resulting Numbers: [48, 7] Generated Node #0,2,3: 16:[48, 7] Operation: 56/8=7 Moving to Node #0,2,2 Current State: 16:[8, 8], Operations: ['99-91=8', '56-48=8'] Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,16 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[56, 91, 99, 48], Operations: [] Exploring Operation: 99-91=8, Resulting Numbers: [56, 48, 8] Generated Node #0,2: 16:[56, 48, 8] Operation: 99-91=8 Moving to Node #0,2 Current State: 16:[56, 48, 8], Operations: ['99-91=8'] Exploring Operation: 56-48=8, Resulting Numbers: [8, 8] Generated Node #0,2,2: 16:[8, 8] Operation: 56-48=8 Moving to Node #0,2,2 Current State: 16:[8, 8], Operations: ['99-91=8', '56-48=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 49, 46, 47, 11 ]
37
[ "49+46=95", "47+11=58", "95-58=37" ]
Current State: 37:[49, 46, 47, 11], Operations: [] Exploring Operation: 49+46=95, Resulting Numbers: [47, 11, 95] Generated Node #2: [47, 11, 95] from Operation: 49+46=95 Current State: 37:[47, 11, 95], Operations: ['49+46=95'] Exploring Operation: 47+11=58, Resulting Numbers: [95, 58] Generated Node #3: [95, 58] from Operation: 47+11=58 Current State: 37:[95, 58], Operations: ['49+46=95', '47+11=58'] Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[49, 46, 47, 11], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [46, 47, 38] Generated Node #0,0: 37:[46, 47, 38] Operation: 49-11=38 Exploring Operation: 47-11=36, Resulting Numbers: [49, 46, 36] Generated Node #0,1: 37:[49, 46, 36] Operation: 47-11=36 Moving to Node #0,0 Current State: 37:[46, 47, 38], Operations: ['49-11=38'] Exploring Operation: 47-46=1, Resulting Numbers: [38, 1] Generated Node #0,0,0: 37:[38, 1] Operation: 47-46=1 Exploring Operation: 47-38=9, Resulting Numbers: [46, 9] Generated Node #0,0,1: 37:[46, 9] Operation: 47-38=9 Moving to Node #0,1 Current State: 37:[49, 46, 36], Operations: ['47-11=36'] Exploring Operation: 49-36=13, Resulting Numbers: [46, 13] Generated Node #0,1,0: 37:[46, 13] Operation: 49-36=13 Exploring Operation: 49-46=3, Resulting Numbers: [36, 3] Generated Node #0,1,1: 37:[36, 3] Operation: 49-46=3 Moving to Node #0,1,0 Current State: 37:[46, 13], Operations: ['47-11=36', '49-36=13'] Exploring Operation: 46+13=59, Resulting Numbers: [59] 59,37 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[36, 3], Operations: ['47-11=36', '49-46=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,37 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[46, 9], Operations: ['49-11=38', '47-38=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[49, 46, 47, 11], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [46, 47, 38] Generated Node #0,0: 37:[46, 47, 38] Operation: 49-11=38 Moving to Node #0,0 Current State: 37:[46, 47, 38], Operations: ['49-11=38'] Exploring Operation: 47-38=9, Resulting Numbers: [46, 9] Generated Node #0,0,1: 37:[46, 9] Operation: 47-38=9 Moving to Node #0,0,1 Current State: 37:[46, 9], Operations: ['49-11=38', '47-38=9'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 77, 36, 7, 14 ]
39
[ "77-36=41", "14/7=2", "41-2=39" ]
Current State: 39:[77, 36, 7, 14], Operations: [] Exploring Operation: 77-36=41, Resulting Numbers: [7, 14, 41] Generated Node #2: [7, 14, 41] from Operation: 77-36=41 Current State: 39:[7, 14, 41], Operations: ['77-36=41'] Exploring Operation: 14/7=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 14/7=2 Current State: 39:[41, 2], Operations: ['77-36=41', '14/7=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[77, 36, 7, 14], Operations: [] Exploring Operation: 77-36=41, Resulting Numbers: [7, 14, 41] Generated Node #0,0: 39:[7, 14, 41] Operation: 77-36=41 Exploring Operation: 77-14=63, Resulting Numbers: [36, 7, 63] Generated Node #0,1: 39:[36, 7, 63] Operation: 77-14=63 Exploring Operation: 77/7=11, Resulting Numbers: [36, 14, 11] Generated Node #0,2: 39:[36, 14, 11] Operation: 77/7=11 Moving to Node #0,2 Current State: 39:[36, 14, 11], Operations: ['77/7=11'] Exploring Operation: 14-11=3, Resulting Numbers: [36, 3] Generated Node #0,2,0: 39:[36, 3] Operation: 14-11=3 Exploring Operation: 36+11=47, Resulting Numbers: [14, 47] Generated Node #0,2,1: 39:[14, 47] Operation: 36+11=47 Exploring Operation: 36-14=22, Resulting Numbers: [11, 22] Generated Node #0,2,2: 39:[11, 22] Operation: 36-14=22 Moving to Node #0,0 Current State: 39:[7, 14, 41], Operations: ['77-36=41'] Exploring Operation: 41-7=34, Resulting Numbers: [14, 34] Generated Node #0,0,0: 39:[14, 34] Operation: 41-7=34 Exploring Operation: 14-7=7, Resulting Numbers: [41, 7] Generated Node #0,0,1: 39:[41, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [41, 2] Generated Node #0,0,2: 39:[41, 2] Operation: 14/7=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[41, 2], Operations: ['77-36=41', '14/7=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[77, 36, 7, 14], Operations: [] Exploring Operation: 77-36=41, Resulting Numbers: [7, 14, 41] Generated Node #0,0: 39:[7, 14, 41] Operation: 77-36=41 Moving to Node #0,0 Current State: 39:[7, 14, 41], Operations: ['77-36=41'] Exploring Operation: 14/7=2, Resulting Numbers: [41, 2] Generated Node #0,0,2: 39:[41, 2] Operation: 14/7=2 Moving to Node #0,0,2 Current State: 39:[41, 2], Operations: ['77-36=41', '14/7=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 78, 50, 95, 4 ]
71
[ "78-50=28", "95+4=99", "99-28=71" ]
Current State: 71:[78, 50, 95, 4], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [95, 4, 28] Generated Node #2: [95, 4, 28] from Operation: 78-50=28 Current State: 71:[95, 4, 28], Operations: ['78-50=28'] Exploring Operation: 95+4=99, Resulting Numbers: [28, 99] Generated Node #3: [28, 99] from Operation: 95+4=99 Current State: 71:[28, 99], Operations: ['78-50=28', '95+4=99'] Exploring Operation: 99-28=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[78, 50, 95, 4], Operations: [] Exploring Operation: 78-4=74, Resulting Numbers: [50, 95, 74] Generated Node #0,0: 71:[50, 95, 74] Operation: 78-4=74 Exploring Operation: 50+4=54, Resulting Numbers: [78, 95, 54] Generated Node #0,1: 71:[78, 95, 54] Operation: 50+4=54 Moving to Node #0,0 Current State: 71:[50, 95, 74], Operations: ['78-4=74'] Exploring Operation: 74-50=24, Resulting Numbers: [95, 24] Generated Node #0,0,0: 71:[95, 24] Operation: 74-50=24 Exploring Operation: 95-50=45, Resulting Numbers: [74, 45] Generated Node #0,0,1: 71:[74, 45] Operation: 95-50=45 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[74, 45], Operations: ['78-4=74', '95-50=45'] Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 74+45=119, Resulting Numbers: [119] 119,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[95, 24], Operations: ['78-4=74', '74-50=24'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[78, 50, 95, 4], Operations: [] Exploring Operation: 78-4=74, Resulting Numbers: [50, 95, 74] Generated Node #0,0: 71:[50, 95, 74] Operation: 78-4=74 Moving to Node #0,0 Current State: 71:[50, 95, 74], Operations: ['78-4=74'] Exploring Operation: 74-50=24, Resulting Numbers: [95, 24] Generated Node #0,0,0: 71:[95, 24] Operation: 74-50=24 Moving to Node #0,0,0 Current State: 71:[95, 24], Operations: ['78-4=74', '74-50=24'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 65, 13, 68, 39 ]
49
[ "65+13=78", "68-39=29", "78-29=49" ]
Current State: 49:[65, 13, 68, 39], Operations: [] Exploring Operation: 65+13=78, Resulting Numbers: [68, 39, 78] Generated Node #2: [68, 39, 78] from Operation: 65+13=78 Current State: 49:[68, 39, 78], Operations: ['65+13=78'] Exploring Operation: 68-39=29, Resulting Numbers: [78, 29] Generated Node #3: [78, 29] from Operation: 68-39=29 Current State: 49:[78, 29], Operations: ['65+13=78', '68-39=29'] Exploring Operation: 78-29=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[65, 13, 68, 39], Operations: [] Exploring Operation: 65/13=5, Resulting Numbers: [68, 39, 5] Generated Node #0,0: 49:[68, 39, 5] Operation: 65/13=5 Exploring Operation: 65-13=52, Resulting Numbers: [68, 39, 52] Generated Node #0,1: 49:[68, 39, 52] Operation: 65-13=52 Exploring Operation: 68-65=3, Resulting Numbers: [13, 39, 3] Generated Node #0,2: 49:[13, 39, 3] Operation: 68-65=3 Moving to Node #0,2 Current State: 49:[13, 39, 3], Operations: ['68-65=3'] Exploring Operation: 13+39=52, Resulting Numbers: [3, 52] Generated Node #0,2,0: 49:[3, 52] Operation: 13+39=52 Exploring Operation: 39/3=13, Resulting Numbers: [13, 13] Generated Node #0,2,1: 49:[13, 13] Operation: 39/3=13 Exploring Operation: 39/13=3, Resulting Numbers: [3, 3] Generated Node #0,2,2: 49:[3, 3] Operation: 39/13=3 Moving to Node #0,0 Current State: 49:[68, 39, 5], Operations: ['65/13=5'] Exploring Operation: 39+5=44, Resulting Numbers: [68, 44] Generated Node #0,0,0: 49:[68, 44] Operation: 39+5=44 Exploring Operation: 68-39=29, Resulting Numbers: [5, 29] Generated Node #0,0,1: 49:[5, 29] Operation: 68-39=29 Exploring Operation: 68-5=63, Resulting Numbers: [39, 63] Generated Node #0,0,2: 49:[39, 63] Operation: 68-5=63 Moving to Node #0,1 Current State: 49:[68, 39, 52], Operations: ['65-13=52'] Exploring Operation: 68-52=16, Resulting Numbers: [39, 16] Generated Node #0,1,0: 49:[39, 16] Operation: 68-52=16 Exploring Operation: 52-39=13, Resulting Numbers: [68, 13] Generated Node #0,1,1: 49:[68, 13] Operation: 52-39=13 Exploring Operation: 68-39=29, Resulting Numbers: [52, 29] Generated Node #0,1,2: 49:[52, 29] Operation: 68-39=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[39, 16], Operations: ['65-13=52', '68-52=16'] Exploring Operation: 39-16=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 39*16=624, Resulting Numbers: [624] 624,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[52, 29], Operations: ['65-13=52', '68-39=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,49 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[68, 13], Operations: ['65-13=52', '52-39=13'] Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,49 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,49 unequal: No Solution Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 49:[3, 52], Operations: ['68-65=3', '13+39=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,49 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[65, 13, 68, 39], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [13, 39, 3] Generated Node #0,2: 49:[13, 39, 3] Operation: 68-65=3 Moving to Node #0,2 Current State: 49:[13, 39, 3], Operations: ['68-65=3'] Exploring Operation: 13+39=52, Resulting Numbers: [3, 52] Generated Node #0,2,0: 49:[3, 52] Operation: 13+39=52 Moving to Node #0,2,0 Current State: 49:[3, 52], Operations: ['68-65=3', '13+39=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 31, 82, 36, 55 ]
71
[ "36-31=5", "55/5=11", "82-11=71" ]
Current State: 71:[31, 82, 36, 55], Operations: [] Exploring Operation: 36-31=5, Resulting Numbers: [82, 55, 5] Generated Node #2: [82, 55, 5] from Operation: 36-31=5 Current State: 71:[82, 55, 5], Operations: ['36-31=5'] Exploring Operation: 55/5=11, Resulting Numbers: [82, 11] Generated Node #3: [82, 11] from Operation: 55/5=11 Current State: 71:[82, 11], Operations: ['36-31=5', '55/5=11'] Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[31, 82, 36, 55], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [31, 55, 46] Generated Node #0,0: 71:[31, 55, 46] Operation: 82-36=46 Exploring Operation: 31+55=86, Resulting Numbers: [82, 36, 86] Generated Node #0,1: 71:[82, 36, 86] Operation: 31+55=86 Exploring Operation: 36+55=91, Resulting Numbers: [31, 82, 91] Generated Node #0,2: 71:[31, 82, 91] Operation: 36+55=91 Exploring Operation: 31+36=67, Resulting Numbers: [82, 55, 67] Generated Node #0,3: 71:[82, 55, 67] Operation: 31+36=67 Exploring Operation: 82-31=51, Resulting Numbers: [36, 55, 51] Generated Node #0,4: 71:[36, 55, 51] Operation: 82-31=51 Moving to Node #0,3 Current State: 71:[82, 55, 67], Operations: ['31+36=67'] Exploring Operation: 55+67=122, Resulting Numbers: [82, 122] Generated Node #0,3,0: 71:[82, 122] Operation: 55+67=122 Exploring Operation: 82-67=15, Resulting Numbers: [55, 15] Generated Node #0,3,1: 71:[55, 15] Operation: 82-67=15 Exploring Operation: 67-55=12, Resulting Numbers: [82, 12] Generated Node #0,3,2: 71:[82, 12] Operation: 67-55=12 Exploring Operation: 82-55=27, Resulting Numbers: [67, 27] Generated Node #0,3,3: 71:[67, 27] Operation: 82-55=27 Exploring Operation: 82+55=137, Resulting Numbers: [67, 137] Generated Node #0,3,4: 71:[67, 137] Operation: 82+55=137 Moving to Node #0,1 Current State: 71:[82, 36, 86], Operations: ['31+55=86'] Exploring Operation: 82-36=46, Resulting Numbers: [86, 46] Generated Node #0,1,0: 71:[86, 46] Operation: 82-36=46 Exploring Operation: 36+86=122, Resulting Numbers: [82, 122] Generated Node #0,1,1: 71:[82, 122] Operation: 36+86=122 Exploring Operation: 82+36=118, Resulting Numbers: [86, 118] Generated Node #0,1,2: 71:[86, 118] Operation: 82+36=118 Exploring Operation: 86-82=4, Resulting Numbers: [36, 4] Generated Node #0,1,3: 71:[36, 4] Operation: 86-82=4 Exploring Operation: 86-36=50, Resulting Numbers: [82, 50] Generated Node #0,1,4: 71:[82, 50] Operation: 86-36=50 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 71:[82, 50], Operations: ['31+55=86', '86-36=50'] Exploring Operation: 82*50=4100, Resulting Numbers: [4100] 4100,71 unequal: No Solution Exploring Operation: 82+50=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[86, 46], Operations: ['31+55=86', '82-36=46'] Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 86+46=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 86*46=3956, Resulting Numbers: [3956] 3956,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[82, 122], Operations: ['31+55=86', '36+86=122'] Exploring Operation: 82*122=10004, Resulting Numbers: [10004] 10004,71 unequal: No Solution Exploring Operation: 82+122=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 122-82=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[86, 118], Operations: ['31+55=86', '82+36=118'] Exploring Operation: 86+118=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 86*118=10148, Resulting Numbers: [10148] 10148,71 unequal: No Solution Exploring Operation: 118-86=32, Resulting Numbers: [32] 32,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[36, 4], Operations: ['31+55=86', '86-82=4'] Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,71 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,71 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: 71:[31, 82, 91], Operations: ['36+55=91'] Exploring Operation: 91-31=60, Resulting Numbers: [82, 60] Generated Node #0,2,0: 71:[82, 60] Operation: 91-31=60 Exploring Operation: 82-31=51, Resulting Numbers: [91, 51] Generated Node #0,2,1: 71:[91, 51] Operation: 82-31=51 Exploring Operation: 31+82=113, Resulting Numbers: [91, 113] Generated Node #0,2,2: 71:[91, 113] Operation: 31+82=113 Exploring Operation: 31+91=122, Resulting Numbers: [82, 122] Generated Node #0,2,3: 71:[82, 122] Operation: 31+91=122 Exploring Operation: 91-82=9, Resulting Numbers: [31, 9] Generated Node #0,2,4: 71:[31, 9] Operation: 91-82=9 Moving to Node #0,4 Current State: 71:[36, 55, 51], Operations: ['82-31=51'] Exploring Operation: 51-36=15, Resulting Numbers: [55, 15] Generated Node #0,4,0: 71:[55, 15] Operation: 51-36=15 Exploring Operation: 55+51=106, Resulting Numbers: [36, 106] Generated Node #0,4,1: 71:[36, 106] Operation: 55+51=106 Exploring Operation: 36+51=87, Resulting Numbers: [55, 87] Generated Node #0,4,2: 71:[55, 87] Operation: 36+51=87 Exploring Operation: 36+55=91, Resulting Numbers: [51, 91] Generated Node #0,4,3: 71:[51, 91] Operation: 36+55=91 Exploring Operation: 55-36=19, Resulting Numbers: [51, 19] Generated Node #0,4,4: 71:[51, 19] Operation: 55-36=19 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[55, 87], Operations: ['82-31=51', '36+51=87'] Exploring Operation: 55*87=4785, Resulting Numbers: [4785] 4785,71 unequal: No Solution Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 55+87=142, Resulting Numbers: [142] 142,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[51, 91], Operations: ['82-31=51', '36+55=91'] Exploring Operation: 51*91=4641, Resulting Numbers: [4641] 4641,71 unequal: No Solution Exploring Operation: 51+91=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[36, 106], Operations: ['82-31=51', '55+51=106'] Exploring Operation: 36+106=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 36*106=3816, Resulting Numbers: [3816] 3816,71 unequal: No Solution Exploring Operation: 106-36=70, Resulting Numbers: [70] 70,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[55, 15], Operations: ['82-31=51', '51-36=15'] Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[51, 19], Operations: ['82-31=51', '55-36=19'] Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,71 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,71 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: 71:[31, 55, 46], Operations: ['82-36=46'] Exploring Operation: 55-31=24, Resulting Numbers: [46, 24] Generated Node #0,0,0: 71:[46, 24] Operation: 55-31=24 Exploring Operation: 31+46=77, Resulting Numbers: [55, 77] Generated Node #0,0,1: 71:[55, 77] Operation: 31+46=77 Exploring Operation: 46-31=15, Resulting Numbers: [55, 15] Generated Node #0,0,2: 71:[55, 15] Operation: 46-31=15 Exploring Operation: 55+46=101, Resulting Numbers: [31, 101] Generated Node #0,0,3: 71:[31, 101] Operation: 55+46=101 Exploring Operation: 31+55=86, Resulting Numbers: [46, 86] Generated Node #0,0,4: 71:[46, 86] Operation: 31+55=86 Moving to Node #0,2,0 Current State: 71:[82, 60], Operations: ['36+55=91', '91-31=60'] Exploring Operation: 82+60=142, Resulting Numbers: [142] 142,71 unequal: No Solution Exploring Operation: 82*60=4920, Resulting Numbers: [4920] 4920,71 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[55, 77], Operations: ['82-36=46', '31+46=77'] Exploring Operation: 55+77=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 77-55=22, Resulting Numbers: [22] 22,71 unequal: No Solution Exploring Operation: 55*77=4235, Resulting Numbers: [4235] 4235,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[91, 51], Operations: ['36+55=91', '82-31=51'] Exploring Operation: 91*51=4641, Resulting Numbers: [4641] 4641,71 unequal: No Solution Exploring Operation: 91-51=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 91+51=142, Resulting Numbers: [142] 142,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[46, 86], Operations: ['82-36=46', '31+55=86'] Exploring Operation: 46+86=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 46*86=3956, Resulting Numbers: [3956] 3956,71 unequal: No Solution Exploring Operation: 86-46=40, Resulting Numbers: [40] 40,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[67, 27], Operations: ['31+36=67', '82-55=27'] Exploring Operation: 67*27=1809, Resulting Numbers: [1809] 1809,71 unequal: No Solution Exploring Operation: 67+27=94, Resulting Numbers: [94] 94,71 unequal: No Solution Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[82, 122], Operations: ['31+36=67', '55+67=122'] Exploring Operation: 82+122=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 122-82=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 82*122=10004, Resulting Numbers: [10004] 10004,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[91, 113], Operations: ['36+55=91', '31+82=113'] Exploring Operation: 113-91=22, Resulting Numbers: [22] 22,71 unequal: No Solution Exploring Operation: 91+113=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 91*113=10283, Resulting Numbers: [10283] 10283,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[82, 122], Operations: ['36+55=91', '31+91=122'] Exploring Operation: 82+122=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 82*122=10004, Resulting Numbers: [10004] 10004,71 unequal: No Solution Exploring Operation: 122-82=40, Resulting Numbers: [40] 40,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[31, 101], Operations: ['82-36=46', '55+46=101'] Exploring Operation: 31+101=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 31*101=3131, Resulting Numbers: [3131] 3131,71 unequal: No Solution Exploring Operation: 101-31=70, Resulting Numbers: [70] 70,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[82, 12], Operations: ['31+36=67', '67-55=12'] Exploring Operation: 82+12=94, Resulting Numbers: [94] 94,71 unequal: No Solution Exploring Operation: 82*12=984, Resulting Numbers: [984] 984,71 unequal: No Solution Exploring Operation: 82-12=70, Resulting Numbers: [70] 70,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[67, 137], Operations: ['31+36=67', '82+55=137'] Exploring Operation: 137-67=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 67+137=204, Resulting Numbers: [204] 204,71 unequal: No Solution Exploring Operation: 67*137=9179, Resulting Numbers: [9179] 9179,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[46, 24], Operations: ['82-36=46', '55-31=24'] Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,71 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,71 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[55, 15], Operations: ['31+36=67', '82-67=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,71 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[55, 15], Operations: ['82-36=46', '46-31=15'] Exploring Operation: 55-15=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 55*15=825, Resulting Numbers: [825] 825,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[31, 9], Operations: ['36+55=91', '91-82=9'] Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,71 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 78, 3, 25, 32 ]
35
[ "78-3=75", "75/25=3", "32+3=35" ]
Current State: 35:[78, 3, 25, 32], Operations: [] Exploring Operation: 78-3=75, Resulting Numbers: [25, 32, 75] Generated Node #2: [25, 32, 75] from Operation: 78-3=75 Current State: 35:[25, 32, 75], Operations: ['78-3=75'] Exploring Operation: 75/25=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 75/25=3 Current State: 35:[32, 3], Operations: ['78-3=75', '75/25=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[78, 3, 25, 32], Operations: [] Exploring Operation: 78-25=53, Resulting Numbers: [3, 32, 53] Generated Node #0,0: 35:[3, 32, 53] Operation: 78-25=53 Exploring Operation: 78/3=26, Resulting Numbers: [25, 32, 26] Generated Node #0,1: 35:[25, 32, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[25, 32, 26], Operations: ['78/3=26'] Exploring Operation: 32-25=7, Resulting Numbers: [26, 7] Generated Node #0,1,0: 35:[26, 7] Operation: 32-25=7 Exploring Operation: 26-25=1, Resulting Numbers: [32, 1] Generated Node #0,1,1: 35:[32, 1] Operation: 26-25=1 Moving to Node #0,1,1 Current State: 35:[32, 1], Operations: ['78/3=26', '26-25=1'] Exploring Operation: 32+1=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[26, 7], Operations: ['78/3=26', '32-25=7'] Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,35 unequal: No Solution Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[3, 32, 53], Operations: ['78-25=53'] Exploring Operation: 53-32=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 35:[3, 21] Operation: 53-32=21 Exploring Operation: 3+32=35, Resulting Numbers: [53, 35] Generated Node #0,0,1: 35:[53, 35] Operation: 3+32=35 Moving to Node #0,0,0 Current State: 35:[3, 21], Operations: ['78-25=53', '53-32=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[53, 35], Operations: ['78-25=53', '3+32=35'] Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,35 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,35 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
[ 85, 63, 45, 81 ]
83
[ "45+81=126", "126/63=2", "85-2=83" ]
Current State: 83:[85, 63, 45, 81], Operations: [] Exploring Operation: 45+81=126, Resulting Numbers: [85, 63, 126] Generated Node #2: [85, 63, 126] from Operation: 45+81=126 Current State: 83:[85, 63, 126], Operations: ['45+81=126'] Exploring Operation: 126/63=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 126/63=2 Current State: 83:[85, 2], Operations: ['45+81=126', '126/63=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[85, 63, 45, 81], Operations: [] Exploring Operation: 85+45=130, Resulting Numbers: [63, 81, 130] Generated Node #0,0: 83:[63, 81, 130] Operation: 85+45=130 Exploring Operation: 63+45=108, Resulting Numbers: [85, 81, 108] Generated Node #0,1: 83:[85, 81, 108] Operation: 63+45=108 Exploring Operation: 45+81=126, Resulting Numbers: [85, 63, 126] Generated Node #0,2: 83:[85, 63, 126] Operation: 45+81=126 Exploring Operation: 63-45=18, Resulting Numbers: [85, 81, 18] Generated Node #0,3: 83:[85, 81, 18] Operation: 63-45=18 Exploring Operation: 85-45=40, Resulting Numbers: [63, 81, 40] Generated Node #0,4: 83:[63, 81, 40] Operation: 85-45=40 Moving to Node #0,1 Current State: 83:[85, 81, 108], Operations: ['63+45=108'] Exploring Operation: 108-81=27, Resulting Numbers: [85, 27] Generated Node #0,1,0: 83:[85, 27] Operation: 108-81=27 Exploring Operation: 81+108=189, Resulting Numbers: [85, 189] Generated Node #0,1,1: 83:[85, 189] Operation: 81+108=189 Exploring Operation: 85-81=4, Resulting Numbers: [108, 4] Generated Node #0,1,2: 83:[108, 4] Operation: 85-81=4 Exploring Operation: 85+81=166, Resulting Numbers: [108, 166] Generated Node #0,1,3: 83:[108, 166] Operation: 85+81=166 Exploring Operation: 108-85=23, Resulting Numbers: [81, 23] Generated Node #0,1,4: 83:[81, 23] Operation: 108-85=23 Moving to Node #0,4 Current State: 83:[63, 81, 40], Operations: ['85-45=40'] Exploring Operation: 81-40=41, Resulting Numbers: [63, 41] Generated Node #0,4,0: 83:[63, 41] Operation: 81-40=41 Exploring Operation: 63+40=103, Resulting Numbers: [81, 103] Generated Node #0,4,1: 83:[81, 103] Operation: 63+40=103 Exploring Operation: 63-40=23, Resulting Numbers: [81, 23] Generated Node #0,4,2: 83:[81, 23] Operation: 63-40=23 Exploring Operation: 63+81=144, Resulting Numbers: [40, 144] Generated Node #0,4,3: 83:[40, 144] Operation: 63+81=144 Exploring Operation: 81+40=121, Resulting Numbers: [63, 121] Generated Node #0,4,4: 83:[63, 121] Operation: 81+40=121 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 83:[81, 103], Operations: ['85-45=40', '63+40=103'] Exploring Operation: 81*103=8343, Resulting Numbers: [8343] 8343,83 unequal: No Solution Exploring Operation: 81+103=184, Resulting Numbers: [184] 184,83 unequal: No Solution Exploring Operation: 103-81=22, Resulting Numbers: [22] 22,83 unequal: No Solution No 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: 83:[63, 121], Operations: ['85-45=40', '81+40=121'] Exploring Operation: 121-63=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 63+121=184, Resulting Numbers: [184] 184,83 unequal: No Solution Exploring Operation: 63*121=7623, Resulting Numbers: [7623] 7623,83 unequal: No Solution No 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: 83:[63, 41], Operations: ['85-45=40', '81-40=41'] Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,83 unequal: No Solution Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,83 unequal: No Solution No 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: 83:[81, 23], Operations: ['85-45=40', '63-40=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,83 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,83 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,83 unequal: No Solution No 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: 83:[40, 144], Operations: ['85-45=40', '63+81=144'] Exploring Operation: 40*144=5760, Resulting Numbers: [5760] 5760,83 unequal: No Solution Exploring Operation: 40+144=184, Resulting Numbers: [184] 184,83 unequal: No Solution Exploring Operation: 144-40=104, Resulting Numbers: [104] 104,83 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: 83:[85, 63, 126], Operations: ['45+81=126'] Exploring Operation: 126-85=41, Resulting Numbers: [63, 41] Generated Node #0,2,0: 83:[63, 41] Operation: 126-85=41 Exploring Operation: 85-63=22, Resulting Numbers: [126, 22] Generated Node #0,2,1: 83:[126, 22] Operation: 85-63=22 Exploring Operation: 126-63=63, Resulting Numbers: [85, 63] Generated Node #0,2,2: 83:[85, 63] Operation: 126-63=63 Exploring Operation: 85+63=148, Resulting Numbers: [126, 148] Generated Node #0,2,3: 83:[126, 148] Operation: 85+63=148 Exploring Operation: 126/63=2, Resulting Numbers: [85, 2] Generated Node #0,2,4: 83:[85, 2] Operation: 126/63=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[85, 63], Operations: ['45+81=126', '126-63=63'] Exploring Operation: 85+63=148, Resulting Numbers: [148] 148,83 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 85*63=5355, Resulting Numbers: [5355] 5355,83 unequal: No Solution No 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: 83:[63, 41], Operations: ['45+81=126', '126-85=41'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,83 unequal: No Solution Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,83 unequal: No Solution No 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: 83:[85, 2], Operations: ['45+81=126', '126/63=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[85, 63, 45, 81], Operations: [] Exploring Operation: 45+81=126, Resulting Numbers: [85, 63, 126] Generated Node #0,2: 83:[85, 63, 126] Operation: 45+81=126 Moving to Node #0,2 Current State: 83:[85, 63, 126], Operations: ['45+81=126'] Exploring Operation: 126/63=2, Resulting Numbers: [85, 2] Generated Node #0,2,4: 83:[85, 2] Operation: 126/63=2 Moving to Node #0,2,4 Current State: 83:[85, 2], Operations: ['45+81=126', '126/63=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
sum_heuristic
[ 45, 15, 60, 45 ]
65
[ "45/15=3", "60/3=20", "45+20=65" ]
Current State: 65:[45, 15, 60, 45], Operations: [] Exploring Operation: 45/15=3, Resulting Numbers: [60, 3] Generated Node #2: [60, 3] from Operation: 45/15=3 Current State: 65:[60, 3], Operations: ['45/15=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,65 equal: Goal Reached Exploring Operation: 45+20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[45, 15, 60, 45], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [15, 60, 1] Generated Node #0,0: 65:[15, 60, 1] Operation: 45/45=1 Moving to Node #0,0 Current State: 65:[15, 60, 1], Operations: ['45/45=1'] Exploring Operation: 60/15=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 65:[1, 4] Operation: 60/15=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[1, 4], Operations: ['45/45=1', '60/15=4'] Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,65 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
[ 84, 65, 22, 28 ]
90
[ "84/28=3", "65+22=87", "3+87=90" ]
Current State: 90:[84, 65, 22, 28], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [65, 22, 3] Generated Node #2: [65, 22, 3] from Operation: 84/28=3 Current State: 90:[65, 22, 3], Operations: ['84/28=3'] Exploring Operation: 65+22=87, Resulting Numbers: [3, 87] Generated Node #3: [3, 87] from Operation: 65+22=87 Current State: 90:[3, 87], Operations: ['84/28=3', '65+22=87'] Exploring Operation: 3+87=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[84, 65, 22, 28], Operations: [] Exploring Operation: 65-22=43, Resulting Numbers: [84, 28, 43] Generated Node #0,0: 90:[84, 28, 43] Operation: 65-22=43 Exploring Operation: 65+22=87, Resulting Numbers: [84, 28, 87] Generated Node #0,1: 90:[84, 28, 87] Operation: 65+22=87 Exploring Operation: 84-65=19, Resulting Numbers: [22, 28, 19] Generated Node #0,2: 90:[22, 28, 19] Operation: 84-65=19 Exploring Operation: 65-28=37, Resulting Numbers: [84, 22, 37] Generated Node #0,3: 90:[84, 22, 37] Operation: 65-28=37 Exploring Operation: 65+28=93, Resulting Numbers: [84, 22, 93] Generated Node #0,4: 90:[84, 22, 93] Operation: 65+28=93 Moving to Node #0,2 Current State: 90:[22, 28, 19], Operations: ['84-65=19'] Exploring Operation: 28-22=6, Resulting Numbers: [19, 6] Generated Node #0,2,0: 90:[19, 6] Operation: 28-22=6 Exploring Operation: 22+19=41, Resulting Numbers: [28, 41] Generated Node #0,2,1: 90:[28, 41] Operation: 22+19=41 Exploring Operation: 22-19=3, Resulting Numbers: [28, 3] Generated Node #0,2,2: 90:[28, 3] Operation: 22-19=3 Exploring Operation: 22+28=50, Resulting Numbers: [19, 50] Generated Node #0,2,3: 90:[19, 50] Operation: 22+28=50 Exploring Operation: 28-19=9, Resulting Numbers: [22, 9] Generated Node #0,2,4: 90:[22, 9] Operation: 28-19=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[19, 6], Operations: ['84-65=19', '28-22=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,90 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 #0,2,2 Current State: 90:[28, 3], Operations: ['84-65=19', '22-19=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,90 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 #0,2,4 Current State: 90:[22, 9], Operations: ['84-65=19', '28-19=9'] Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,90 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,90 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 #0,2,1 Current State: 90:[28, 41], Operations: ['84-65=19', '22+19=41'] Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,90 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 #0,2,3 Current State: 90:[19, 50], Operations: ['84-65=19', '22+28=50'] Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,90 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,90 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:[84, 28, 43], Operations: ['65-22=43'] Exploring Operation: 84-28=56, Resulting Numbers: [43, 56] Generated Node #0,0,0: 90:[43, 56] Operation: 84-28=56 Exploring Operation: 84+28=112, Resulting Numbers: [43, 112] Generated Node #0,0,1: 90:[43, 112] Operation: 84+28=112 Exploring Operation: 43-28=15, Resulting Numbers: [84, 15] Generated Node #0,0,2: 90:[84, 15] Operation: 43-28=15 Exploring Operation: 84/28=3, Resulting Numbers: [43, 3] Generated Node #0,0,3: 90:[43, 3] Operation: 84/28=3 Exploring Operation: 84-43=41, Resulting Numbers: [28, 41] Generated Node #0,0,4: 90:[28, 41] Operation: 84-43=41 Moving to Node #0,1 Current State: 90:[84, 28, 87], Operations: ['65+22=87'] Exploring Operation: 84-28=56, Resulting Numbers: [87, 56] Generated Node #0,1,0: 90:[87, 56] Operation: 84-28=56 Exploring Operation: 87-84=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 90:[28, 3] Operation: 87-84=3 Exploring Operation: 84+28=112, Resulting Numbers: [87, 112] Generated Node #0,1,2: 90:[87, 112] Operation: 84+28=112 Exploring Operation: 84/28=3, Resulting Numbers: [87, 3] Generated Node #0,1,3: 90:[87, 3] Operation: 84/28=3 Exploring Operation: 87-28=59, Resulting Numbers: [84, 59] Generated Node #0,1,4: 90:[84, 59] Operation: 87-28=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[28, 3], Operations: ['65+22=87', '87-84=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,90 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,90 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[87, 3], Operations: ['65+22=87', '84/28=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,90 unequal: No Solution Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[84, 65, 22, 28], Operations: [] Exploring Operation: 65+22=87, Resulting Numbers: [84, 28, 87] Generated Node #0,1: 90:[84, 28, 87] Operation: 65+22=87 Moving to Node #0,1 Current State: 90:[84, 28, 87], Operations: ['65+22=87'] Exploring Operation: 84/28=3, Resulting Numbers: [87, 3] Generated Node #0,1,3: 90:[87, 3] Operation: 84/28=3 Moving to Node #0,1,3 Current State: 90:[87, 3], Operations: ['65+22=87', '84/28=3'] Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
mult_heuristic
[ 18, 55, 2, 27 ]
74
[ "55-27=28", "2*28=56", "18+56=74" ]
Current State: 74:[18, 55, 2, 27], Operations: [] Exploring Operation: 55-27=28, Resulting Numbers: [18, 2, 28] Generated Node #2: [18, 2, 28] from Operation: 55-27=28 Current State: 74:[18, 2, 28], Operations: ['55-27=28'] Exploring Operation: 2*28=56, Resulting Numbers: [18, 56] Generated Node #3: [18, 56] from Operation: 2*28=56 Current State: 74:[18, 56], Operations: ['55-27=28', '2*28=56'] Exploring Operation: 18+56=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[18, 55, 2, 27], Operations: [] Exploring Operation: 55-27=28, Resulting Numbers: [18, 2, 28] Generated Node #0,0: 74:[18, 2, 28] Operation: 55-27=28 Exploring Operation: 55+27=82, Resulting Numbers: [18, 2, 82] Generated Node #0,1: 74:[18, 2, 82] Operation: 55+27=82 Exploring Operation: 55-18=37, Resulting Numbers: [2, 27, 37] Generated Node #0,2: 74:[2, 27, 37] Operation: 55-18=37 Exploring Operation: 18+55=73, Resulting Numbers: [2, 27, 73] Generated Node #0,3: 74:[2, 27, 73] Operation: 18+55=73 Exploring Operation: 27-18=9, Resulting Numbers: [55, 2, 9] Generated Node #0,4: 74:[55, 2, 9] Operation: 27-18=9 Moving to Node #0,2 Current State: 74:[2, 27, 37], Operations: ['55-18=37'] Exploring Operation: 27+37=64, Resulting Numbers: [2, 64] Generated Node #0,2,0: 74:[2, 64] Operation: 27+37=64 Exploring Operation: 27-2=25, Resulting Numbers: [37, 25] Generated Node #0,2,1: 74:[37, 25] Operation: 27-2=25 Exploring Operation: 2+27=29, Resulting Numbers: [37, 29] Generated Node #0,2,2: 74:[37, 29] Operation: 2+27=29 Exploring Operation: 37-27=10, Resulting Numbers: [2, 10] Generated Node #0,2,3: 74:[2, 10] Operation: 37-27=10 Exploring Operation: 2*37=74, Resulting Numbers: [27, 74] Generated Node #0,2,4: 74:[27, 74] Operation: 2*37=74 Moving to Node #0,3 Current State: 74:[2, 27, 73], Operations: ['18+55=73'] Exploring Operation: 2+27=29, Resulting Numbers: [73, 29] Generated Node #0,3,0: 74:[73, 29] Operation: 2+27=29 Exploring Operation: 2+73=75, Resulting Numbers: [27, 75] Generated Node #0,3,1: 74:[27, 75] Operation: 2+73=75 Exploring Operation: 27-2=25, Resulting Numbers: [73, 25] Generated Node #0,3,2: 74:[73, 25] Operation: 27-2=25 Exploring Operation: 73-2=71, Resulting Numbers: [27, 71] Generated Node #0,3,3: 74:[27, 71] Operation: 73-2=71 Exploring Operation: 73-27=46, Resulting Numbers: [2, 46] Generated Node #0,3,4: 74:[2, 46] Operation: 73-27=46 Moving to Node #0,1 Current State: 74:[18, 2, 82], Operations: ['55+27=82'] Exploring Operation: 18*2=36, Resulting Numbers: [82, 36] Generated Node #0,1,0: 74:[82, 36] Operation: 18*2=36 Exploring Operation: 82/2=41, Resulting Numbers: [18, 41] Generated Node #0,1,1: 74:[18, 41] Operation: 82/2=41 Exploring Operation: 18/2=9, Resulting Numbers: [82, 9] Generated Node #0,1,2: 74:[82, 9] Operation: 18/2=9 Exploring Operation: 82-18=64, Resulting Numbers: [2, 64] Generated Node #0,1,3: 74:[2, 64] Operation: 82-18=64 Exploring Operation: 18-2=16, Resulting Numbers: [82, 16] Generated Node #0,1,4: 74:[82, 16] Operation: 18-2=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[82, 36], Operations: ['55+27=82', '18*2=36'] Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 82*36=2952, Resulting Numbers: [2952] 2952,74 unequal: No Solution Exploring Operation: 82+36=118, Resulting Numbers: [118] 118,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 74:[2, 64], Operations: ['55+27=82', '82-18=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,74 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[82, 9], Operations: ['55+27=82', '18/2=9'] Exploring Operation: 82*9=738, Resulting Numbers: [738] 738,74 unequal: No Solution Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,74 unequal: No Solution Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[18, 41], Operations: ['55+27=82', '82/2=41'] Exploring Operation: 18*41=738, Resulting Numbers: [738] 738,74 unequal: No Solution Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 18+41=59, Resulting Numbers: [59] 59,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 74:[82, 16], Operations: ['55+27=82', '18-2=16'] Exploring Operation: 82*16=1312, Resulting Numbers: [1312] 1312,74 unequal: No Solution Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 82+16=98, Resulting Numbers: [98] 98,74 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: 74:[18, 2, 28], Operations: ['55-27=28'] Exploring Operation: 18-2=16, Resulting Numbers: [28, 16] Generated Node #0,0,0: 74:[28, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [28, 9] Generated Node #0,0,1: 74:[28, 9] Operation: 18/2=9 Exploring Operation: 28-18=10, Resulting Numbers: [2, 10] Generated Node #0,0,2: 74:[2, 10] Operation: 28-18=10 Exploring Operation: 18*2=36, Resulting Numbers: [28, 36] Generated Node #0,0,3: 74:[28, 36] Operation: 18*2=36 Exploring Operation: 18+28=46, Resulting Numbers: [2, 46] Generated Node #0,0,4: 74:[2, 46] Operation: 18+28=46 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[2, 10], Operations: ['55-27=28', '28-18=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 74:[2, 46], Operations: ['55-27=28', '18+28=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 74:[28, 36], Operations: ['55-27=28', '18*2=36'] Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,74 unequal: No Solution Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,74 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[28, 9], Operations: ['55-27=28', '18/2=9'] Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,74 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,74 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[28, 16], Operations: ['55-27=28', '18-2=16'] Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,74 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,74 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: 74:[55, 2, 9], Operations: ['27-18=9'] Exploring Operation: 55+9=64, Resulting Numbers: [2, 64] Generated Node #0,4,0: 74:[2, 64] Operation: 55+9=64 Exploring Operation: 55-2=53, Resulting Numbers: [9, 53] Generated Node #0,4,1: 74:[9, 53] Operation: 55-2=53 Exploring Operation: 55-9=46, Resulting Numbers: [2, 46] Generated Node #0,4,2: 74:[2, 46] Operation: 55-9=46 Exploring Operation: 55+2=57, Resulting Numbers: [9, 57] Generated Node #0,4,3: 74:[9, 57] Operation: 55+2=57 Exploring Operation: 9-2=7, Resulting Numbers: [55, 7] Generated Node #0,4,4: 74:[55, 7] Operation: 9-2=7 Moving to Node #0,2,2 Current State: 74:[37, 29], Operations: ['55-18=37', '2+27=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,74 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[2, 10], Operations: ['55-18=37', '37-27=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[73, 29], Operations: ['18+55=73', '2+27=29'] Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[2, 46], Operations: ['18+55=73', '73-27=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[2, 46], Operations: ['27-18=9', '55-9=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,74 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[2, 64], Operations: ['55-18=37', '27+37=64'] Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[2, 64], Operations: ['27-18=9', '55+9=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,74 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,74 unequal: No Solution Moving to Node #0,2,4 Current State: 74:[27, 74], Operations: ['55-18=37', '2*37=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,74 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,74 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[27, 75], Operations: ['18+55=73', '2+73=75'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 27*75=2025, Resulting Numbers: [2025] 2025,74 unequal: No Solution Exploring Operation: 27+75=102, Resulting Numbers: [102] 102,74 unequal: No Solution Moving to Node #0,2,1 Current State: 74:[37, 25], Operations: ['55-18=37', '27-2=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,74 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,74 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[27, 71], Operations: ['18+55=73', '73-2=71'] Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 27*71=1917, Resulting Numbers: [1917] 1917,74 unequal: No Solution Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[73, 25], Operations: ['18+55=73', '27-2=25'] Exploring Operation: 73*25=1825, Resulting Numbers: [1825] 1825,74 unequal: No Solution Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,74 unequal: No Solution Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[55, 7], Operations: ['27-18=9', '9-2=7'] Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,74 unequal: No Solution Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[9, 53], Operations: ['27-18=9', '55-2=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[9, 57], Operations: ['27-18=9', '55+2=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,74 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,74 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 49, 59, 50 ]
14
[ "54-49=5", "59-50=9", "5+9=14" ]
Current State: 14:[54, 49, 59, 50], Operations: [] Exploring Operation: 54-49=5, Resulting Numbers: [59, 50, 5] Generated Node #2: [59, 50, 5] from Operation: 54-49=5 Current State: 14:[59, 50, 5], Operations: ['54-49=5'] Exploring Operation: 59-50=9, Resulting Numbers: [5, 9] Generated Node #3: [5, 9] from Operation: 59-50=9 Current State: 14:[5, 9], Operations: ['54-49=5', '59-50=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[54, 49, 59, 50], Operations: [] Exploring Operation: 59-54=5, Resulting Numbers: [49, 50, 5] Generated Node #0,0: 14:[49, 50, 5] Operation: 59-54=5 Exploring Operation: 59-50=9, Resulting Numbers: [54, 49, 9] Generated Node #0,1: 14:[54, 49, 9] Operation: 59-50=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[49, 50, 5], Operations: ['59-54=5'] Exploring Operation: 50-49=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 14:[5, 1] Operation: 50-49=1 Exploring Operation: 50/5=10, Resulting Numbers: [49, 10] Generated Node #0,0,1: 14:[49, 10] Operation: 50/5=10 Moving to Node #0,0,0 Current State: 14:[5, 1], Operations: ['59-54=5', '50-49=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[49, 10], Operations: ['59-54=5', '50/5=10'] Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,14 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[54, 49, 9], Operations: ['59-50=9'] Exploring Operation: 54-49=5, Resulting Numbers: [9, 5] Generated Node #0,1,0: 14:[9, 5] Operation: 54-49=5 Exploring Operation: 54/9=6, Resulting Numbers: [49, 6] Generated Node #0,1,1: 14:[49, 6] Operation: 54/9=6 Moving to Node #0,1,0 Current State: 14:[9, 5], Operations: ['59-50=9', '54-49=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[54, 49, 59, 50], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [54, 49, 9] Generated Node #0,1: 14:[54, 49, 9] Operation: 59-50=9 Moving to Node #0,1 Current State: 14:[54, 49, 9], Operations: ['59-50=9'] Exploring Operation: 54-49=5, Resulting Numbers: [9, 5] Generated Node #0,1,0: 14:[9, 5] Operation: 54-49=5 Moving to Node #0,1,0 Current State: 14:[9, 5], Operations: ['59-50=9', '54-49=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 38, 92, 6, 19 ]
84
[ "38/19=2", "92-6=86", "86-2=84" ]
Current State: 84:[38, 92, 6, 19], Operations: [] Exploring Operation: 38/19=2, Resulting Numbers: [92, 6, 2] Generated Node #2: [92, 6, 2] from Operation: 38/19=2 Current State: 84:[92, 6, 2], Operations: ['38/19=2'] Exploring Operation: 92-6=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 92-6=86 Current State: 84:[2, 86], Operations: ['38/19=2', '92-6=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[38, 92, 6, 19], Operations: [] Exploring Operation: 92-6=86, Resulting Numbers: [38, 19, 86] Generated Node #0,0: 84:[38, 19, 86] Operation: 92-6=86 Exploring Operation: 38/19=2, Resulting Numbers: [92, 6, 2] Generated Node #0,1: 84:[92, 6, 2] Operation: 38/19=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[38, 19, 86], Operations: ['92-6=86'] Exploring Operation: 38/19=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 84:[86, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [86, 19] Generated Node #0,0,1: 84:[86, 19] Operation: 38-19=19 Moving to Node #0,0,0 Current State: 84:[86, 2], Operations: ['92-6=86', '38/19=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[38, 92, 6, 19], Operations: [] Exploring Operation: 92-6=86, Resulting Numbers: [38, 19, 86] Generated Node #0,0: 84:[38, 19, 86] Operation: 92-6=86 Moving to Node #0,0 Current State: 84:[38, 19, 86], Operations: ['92-6=86'] Exploring Operation: 38/19=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 84:[86, 2] Operation: 38/19=2 Moving to Node #0,0,0 Current State: 84:[86, 2], Operations: ['92-6=86', '38/19=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 3, 64, 25, 47 ]
88
[ "25+47=72", "72/3=24", "64+24=88" ]
Current State: 88:[3, 64, 25, 47], Operations: [] Exploring Operation: 25+47=72, Resulting Numbers: [3, 64, 72] Generated Node #2: [3, 64, 72] from Operation: 25+47=72 Current State: 88:[3, 64, 72], Operations: ['25+47=72'] Exploring Operation: 72/3=24, Resulting Numbers: [64, 24] Generated Node #3: [64, 24] from Operation: 72/3=24 Current State: 88:[64, 24], Operations: ['25+47=72', '72/3=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[3, 64, 25, 47], Operations: [] Exploring Operation: 64+25=89, Resulting Numbers: [3, 47, 89] Generated Node #0,0: 88:[3, 47, 89] Operation: 64+25=89 Exploring Operation: 64-25=39, Resulting Numbers: [3, 47, 39] Generated Node #0,1: 88:[3, 47, 39] Operation: 64-25=39 Moving to Node #0,0 Current State: 88:[3, 47, 89], Operations: ['64+25=89'] Exploring Operation: 47-3=44, Resulting Numbers: [89, 44] Generated Node #0,0,0: 88:[89, 44] Operation: 47-3=44 Exploring Operation: 89-47=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 88:[3, 42] Operation: 89-47=42 Moving to Node #0,1 Current State: 88:[3, 47, 39], Operations: ['64-25=39'] Exploring Operation: 47-39=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 88:[3, 8] Operation: 47-39=8 Exploring Operation: 47+39=86, Resulting Numbers: [3, 86] Generated Node #0,1,1: 88:[3, 86] Operation: 47+39=86 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[3, 8], Operations: ['64-25=39', '47-39=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,88 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[3, 86], Operations: ['64-25=39', '47+39=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 88:[89, 44], Operations: ['64+25=89', '47-3=44'] Exploring Operation: 89+44=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 89-44=45, Resulting Numbers: [45] 45,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[3, 42], Operations: ['64+25=89', '89-47=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,88 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 15, 26, 52 ]
81
[ "40+15=55", "52-26=26", "55+26=81" ]
Current State: 81:[40, 15, 26, 52], Operations: [] Exploring Operation: 40+15=55, Resulting Numbers: [26, 52, 55] Generated Node #2: [26, 52, 55] from Operation: 40+15=55 Current State: 81:[26, 52, 55], Operations: ['40+15=55'] Exploring Operation: 52-26=26, Resulting Numbers: [55, 26] Generated Node #3: [55, 26] from Operation: 52-26=26 Current State: 81:[55, 26], Operations: ['40+15=55', '52-26=26'] Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[40, 15, 26, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [15, 26, 12] Generated Node #0,0: 81:[15, 26, 12] Operation: 52-40=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[15, 26, 12], Operations: ['52-40=12'] Exploring Operation: 15+12=27, Resulting Numbers: [26, 27] Generated Node #0,0,0: 81:[26, 27] Operation: 15+12=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[26, 27], Operations: ['52-40=12', '15+12=27'] Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 96, 68, 3, 4 ]
56
[ "96+68=164", "4+164=168", "168/3=56" ]
Current State: 56:[96, 68, 3, 4], Operations: [] Exploring Operation: 96+68=164, Resulting Numbers: [3, 4, 164] Generated Node #2: [3, 4, 164] from Operation: 96+68=164 Current State: 56:[3, 4, 164], Operations: ['96+68=164'] Exploring Operation: 4+164=168, Resulting Numbers: [3, 168] Generated Node #3: [3, 168] from Operation: 4+164=168 Current State: 56:[3, 168], Operations: ['96+68=164', '4+164=168'] Exploring Operation: 168/3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[96, 68, 3, 4], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [68, 3, 24] Generated Node #0,0: 56:[68, 3, 24] Operation: 96/4=24 Exploring Operation: 96-68=28, Resulting Numbers: [3, 4, 28] Generated Node #0,1: 56:[3, 4, 28] Operation: 96-68=28 Exploring Operation: 96/3=32, Resulting Numbers: [68, 4, 32] Generated Node #0,2: 56:[68, 4, 32] Operation: 96/3=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[3, 4, 28], Operations: ['96-68=28'] Exploring Operation: 4-3=1, Resulting Numbers: [28, 1] Generated Node #0,1,0: 56:[28, 1] Operation: 4-3=1 Exploring Operation: 3+4=7, Resulting Numbers: [28, 7] Generated Node #0,1,1: 56:[28, 7] Operation: 3+4=7 Exploring Operation: 28/4=7, Resulting Numbers: [3, 7] Generated Node #0,1,2: 56:[3, 7] Operation: 28/4=7 Moving to Node #0,1,1 Current State: 56:[28, 7], Operations: ['96-68=28', '3+4=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,56 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,56 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[28, 1], Operations: ['96-68=28', '4-3=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,56 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[3, 7], Operations: ['96-68=28', '28/4=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 56:[68, 4, 32], Operations: ['96/3=32'] Exploring Operation: 68-4=64, Resulting Numbers: [32, 64] Generated Node #0,2,0: 56:[32, 64] Operation: 68-4=64 Exploring Operation: 68/4=17, Resulting Numbers: [32, 17] Generated Node #0,2,1: 56:[32, 17] Operation: 68/4=17 Exploring Operation: 68-32=36, Resulting Numbers: [4, 36] Generated Node #0,2,2: 56:[4, 36] Operation: 68-32=36 Moving to Node #0,2,1 Current State: 56:[32, 17], Operations: ['96/3=32', '68/4=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,56 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[4, 36], Operations: ['96/3=32', '68-32=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,56 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,56 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[32, 64], Operations: ['96/3=32', '68-4=64'] Exploring Operation: 32+64=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[68, 3, 24], Operations: ['96/4=24'] Exploring Operation: 68-24=44, Resulting Numbers: [3, 44] Generated Node #0,0,0: 56:[3, 44] Operation: 68-24=44 Exploring Operation: 24/3=8, Resulting Numbers: [68, 8] Generated Node #0,0,1: 56:[68, 8] Operation: 24/3=8 Exploring Operation: 68-3=65, Resulting Numbers: [24, 65] Generated Node #0,0,2: 56:[24, 65] Operation: 68-3=65 Moving to Node #0,0,1 Current State: 56:[68, 8], Operations: ['96/4=24', '24/3=8'] Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,56 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[3, 44], Operations: ['96/4=24', '68-24=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,56 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[24, 65], Operations: ['96/4=24', '68-3=65'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 24*65=1560, Resulting Numbers: [1560] 1560,56 unequal: No Solution Exploring Operation: 24+65=89, Resulting Numbers: [89] 89,56 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
[ 8, 3, 15, 72 ]
47
[ "8+15=23", "72/3=24", "23+24=47" ]
Current State: 47:[8, 3, 15, 72], Operations: [] Exploring Operation: 8+15=23, Resulting Numbers: [3, 72, 23] Generated Node #2: [3, 72, 23] from Operation: 8+15=23 Current State: 47:[3, 72, 23], Operations: ['8+15=23'] Exploring Operation: 72/3=24, Resulting Numbers: [23, 24] Generated Node #3: [23, 24] from Operation: 72/3=24 Current State: 47:[23, 24], Operations: ['8+15=23', '72/3=24'] Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[8, 3, 15, 72], Operations: [] Exploring Operation: 8*3=24, Resulting Numbers: [15, 72, 24] Generated Node #0,0: 47:[15, 72, 24] Operation: 8*3=24 Exploring Operation: 8+3=11, Resulting Numbers: [15, 72, 11] Generated Node #0,1: 47:[15, 72, 11] Operation: 8+3=11 Exploring Operation: 3*15=45, Resulting Numbers: [8, 72, 45] Generated Node #0,2: 47:[8, 72, 45] Operation: 3*15=45 Moving to Node #0,2 Current State: 47:[8, 72, 45], Operations: ['3*15=45'] Exploring Operation: 8+72=80, Resulting Numbers: [45, 80] Generated Node #0,2,0: 47:[45, 80] Operation: 8+72=80 Exploring Operation: 8+45=53, Resulting Numbers: [72, 53] Generated Node #0,2,1: 47:[72, 53] Operation: 8+45=53 Exploring Operation: 72-8=64, Resulting Numbers: [45, 64] Generated Node #0,2,2: 47:[45, 64] Operation: 72-8=64 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[45, 64], Operations: ['3*15=45', '72-8=64'] Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 45*64=2880, Resulting Numbers: [2880] 2880,47 unequal: No Solution Exploring Operation: 45+64=109, Resulting Numbers: [109] 109,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[72, 53], Operations: ['3*15=45', '8+45=53'] Exploring Operation: 72+53=125, Resulting Numbers: [125] 125,47 unequal: No Solution Exploring Operation: 72-53=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 72*53=3816, Resulting Numbers: [3816] 3816,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[45, 80], Operations: ['3*15=45', '8+72=80'] Exploring Operation: 45*80=3600, Resulting Numbers: [3600] 3600,47 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,47 unequal: No Solution Exploring Operation: 45+80=125, Resulting Numbers: [125] 125,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 47:[15, 72, 24], Operations: ['8*3=24'] Exploring Operation: 72-24=48, Resulting Numbers: [15, 48] Generated Node #0,0,0: 47:[15, 48] Operation: 72-24=48 Exploring Operation: 72-15=57, Resulting Numbers: [24, 57] Generated Node #0,0,1: 47:[24, 57] Operation: 72-15=57 Exploring Operation: 15+24=39, Resulting Numbers: [72, 39] Generated Node #0,0,2: 47:[72, 39] Operation: 15+24=39 Moving to Node #0,1 Current State: 47:[15, 72, 11], Operations: ['8+3=11'] Exploring Operation: 15+11=26, Resulting Numbers: [72, 26] Generated Node #0,1,0: 47:[72, 26] Operation: 15+11=26 Exploring Operation: 72-15=57, Resulting Numbers: [11, 57] Generated Node #0,1,1: 47:[11, 57] Operation: 72-15=57 Exploring Operation: 72-11=61, Resulting Numbers: [15, 61] Generated Node #0,1,2: 47:[15, 61] Operation: 72-11=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[72, 26], Operations: ['8+3=11', '15+11=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,47 unequal: No Solution Exploring Operation: 72*26=1872, Resulting Numbers: [1872] 1872,47 unequal: No Solution Exploring Operation: 72-26=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[11, 57], Operations: ['8+3=11', '72-15=57'] Exploring Operation: 57-11=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 11*57=627, Resulting Numbers: [627] 627,47 unequal: No Solution Exploring Operation: 11+57=68, Resulting Numbers: [68] 68,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[15, 61], Operations: ['8+3=11', '72-11=61'] Exploring Operation: 61-15=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 15*61=915, Resulting Numbers: [915] 915,47 unequal: No Solution Exploring Operation: 15+61=76, Resulting Numbers: [76] 76,47 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: 47:[15, 48], Operations: ['8*3=24', '72-24=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[24, 57], Operations: ['8*3=24', '72-15=57'] Exploring Operation: 24*57=1368, Resulting Numbers: [1368] 1368,47 unequal: No Solution Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,47 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[72, 39], Operations: ['8*3=24', '15+24=39'] Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 72*39=2808, Resulting Numbers: [2808] 2808,47 unequal: No Solution Exploring Operation: 72+39=111, Resulting Numbers: [111] 111,47 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 85, 95, 57, 11 ]
58
[ "95-85=10", "57+11=68", "68-10=58" ]
Current State: 58:[85, 95, 57, 11], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [57, 11, 10] Generated Node #2: [57, 11, 10] from Operation: 95-85=10 Current State: 58:[57, 11, 10], Operations: ['95-85=10'] Exploring Operation: 57+11=68, Resulting Numbers: [10, 68] Generated Node #3: [10, 68] from Operation: 57+11=68 Current State: 58:[10, 68], Operations: ['95-85=10', '57+11=68'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[85, 95, 57, 11], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [57, 11, 10] Generated Node #0,0: 58:[57, 11, 10] Operation: 95-85=10 Moving to Node #0,0 Current State: 58:[57, 11, 10], Operations: ['95-85=10'] Exploring Operation: 11-10=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 58:[57, 1] Operation: 11-10=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[57, 1], Operations: ['95-85=10', '11-10=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[85, 95, 57, 11], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [57, 11, 10] Generated Node #0,0: 58:[57, 11, 10] Operation: 95-85=10 Moving to Node #0,0 Current State: 58:[57, 11, 10], Operations: ['95-85=10'] Exploring Operation: 11-10=1, Resulting Numbers: [57, 1] Generated Node #0,0,0: 58:[57, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 58:[57, 1], Operations: ['95-85=10', '11-10=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 25, 75, 19, 37 ]
94
[ "75/25=3", "19*3=57", "37+57=94" ]
Current State: 94:[25, 75, 19, 37], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [19, 37, 3] Generated Node #2: [19, 37, 3] from Operation: 75/25=3 Current State: 94:[19, 37, 3], Operations: ['75/25=3'] Exploring Operation: 19*3=57, Resulting Numbers: [37, 57] Generated Node #3: [37, 57] from Operation: 19*3=57 Current State: 94:[37, 57], Operations: ['75/25=3', '19*3=57'] Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[25, 75, 19, 37], Operations: [] Exploring Operation: 75/25=3, Resulting Numbers: [19, 37, 3] Generated Node #0,0: 94:[19, 37, 3] Operation: 75/25=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[19, 37, 3], Operations: ['75/25=3'] Exploring Operation: 19+37=56, Resulting Numbers: [3, 56] Generated Node #0,0,0: 94:[3, 56] Operation: 19+37=56 Moving to Node #0,0,0 Current State: 94:[3, 56], Operations: ['75/25=3', '19+37=56'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,94 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
[ 10, 79, 46, 55 ]
18
[ "79+46=125", "55+125=180", "180/10=18" ]
Current State: 18:[10, 79, 46, 55], Operations: [] Exploring Operation: 79+46=125, Resulting Numbers: [10, 55, 125] Generated Node #2: [10, 55, 125] from Operation: 79+46=125 Current State: 18:[10, 55, 125], Operations: ['79+46=125'] Exploring Operation: 55+125=180, Resulting Numbers: [10, 180] Generated Node #3: [10, 180] from Operation: 55+125=180 Current State: 18:[10, 180], Operations: ['79+46=125', '55+125=180'] Exploring Operation: 180/10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[10, 79, 46, 55], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [10, 46, 24] Generated Node #0,0: 18:[10, 46, 24] Operation: 79-55=24 Exploring Operation: 79-46=33, Resulting Numbers: [10, 55, 33] Generated Node #0,1: 18:[10, 55, 33] Operation: 79-46=33 Moving to Node #0,0 Current State: 18:[10, 46, 24], Operations: ['79-55=24'] Exploring Operation: 46-24=22, Resulting Numbers: [10, 22] Generated Node #0,0,0: 18:[10, 22] Operation: 46-24=22 Exploring Operation: 46-10=36, Resulting Numbers: [24, 36] Generated Node #0,0,1: 18:[24, 36] Operation: 46-10=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[10, 22], Operations: ['79-55=24', '46-24=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,18 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[24, 36], Operations: ['79-55=24', '46-10=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 18:[10, 55, 33], Operations: ['79-46=33'] Exploring Operation: 55-10=45, Resulting Numbers: [33, 45] Generated Node #0,1,0: 18:[33, 45] Operation: 55-10=45 Exploring Operation: 55-33=22, Resulting Numbers: [10, 22] Generated Node #0,1,1: 18:[10, 22] Operation: 55-33=22 Moving to Node #0,1,1 Current State: 18:[10, 22], Operations: ['79-46=33', '55-33=22'] Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[33, 45], Operations: ['79-46=33', '55-10=45'] Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,18 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 67, 25, 94, 56 ]
80
[ "67-25=42", "94-56=38", "42+38=80" ]
Current State: 80:[67, 25, 94, 56], Operations: [] Exploring Operation: 67-25=42, Resulting Numbers: [94, 56, 42] Generated Node #2: [94, 56, 42] from Operation: 67-25=42 Current State: 80:[94, 56, 42], Operations: ['67-25=42'] Exploring Operation: 94-56=38, Resulting Numbers: [42, 38] Generated Node #3: [42, 38] from Operation: 94-56=38 Current State: 80:[42, 38], Operations: ['67-25=42', '94-56=38'] Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[67, 25, 94, 56], Operations: [] Exploring Operation: 94-56=38, Resulting Numbers: [67, 25, 38] Generated Node #0,0: 80:[67, 25, 38] Operation: 94-56=38 Exploring Operation: 67-56=11, Resulting Numbers: [25, 94, 11] Generated Node #0,1: 80:[25, 94, 11] Operation: 67-56=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[67, 25, 38], Operations: ['94-56=38'] Exploring Operation: 67+25=92, Resulting Numbers: [38, 92] Generated Node #0,0,0: 80:[38, 92] Operation: 67+25=92 Exploring Operation: 67-25=42, Resulting Numbers: [38, 42] Generated Node #0,0,1: 80:[38, 42] Operation: 67-25=42 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[38, 42], Operations: ['94-56=38', '67-25=42'] Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[67, 25, 94, 56], Operations: [] Exploring Operation: 94-56=38, Resulting Numbers: [67, 25, 38] Generated Node #0,0: 80:[67, 25, 38] Operation: 94-56=38 Moving to Node #0,0 Current State: 80:[67, 25, 38], Operations: ['94-56=38'] Exploring Operation: 67-25=42, Resulting Numbers: [38, 42] Generated Node #0,0,1: 80:[38, 42] Operation: 67-25=42 Moving to Node #0,0,1 Current State: 80:[38, 42], Operations: ['94-56=38', '67-25=42'] Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 20, 98, 35, 59 ]
16
[ "98-20=78", "35+59=94", "94-78=16" ]
Current State: 16:[20, 98, 35, 59], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [35, 59, 78] Generated Node #2: [35, 59, 78] from Operation: 98-20=78 Current State: 16:[35, 59, 78], Operations: ['98-20=78'] Exploring Operation: 35+59=94, Resulting Numbers: [78, 94] Generated Node #3: [78, 94] from Operation: 35+59=94 Current State: 16:[78, 94], Operations: ['98-20=78', '35+59=94'] Exploring Operation: 94-78=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[20, 98, 35, 59], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [35, 59, 78] Generated Node #0,0: 16:[35, 59, 78] Operation: 98-20=78 Exploring Operation: 98-35=63, Resulting Numbers: [20, 59, 63] Generated Node #0,1: 16:[20, 59, 63] Operation: 98-35=63 Exploring Operation: 59-20=39, Resulting Numbers: [98, 35, 39] Generated Node #0,2: 16:[98, 35, 39] Operation: 59-20=39 Exploring Operation: 59-35=24, Resulting Numbers: [20, 98, 24] Generated Node #0,3: 16:[20, 98, 24] Operation: 59-35=24 Exploring Operation: 98-59=39, Resulting Numbers: [20, 35, 39] Generated Node #0,4: 16:[20, 35, 39] Operation: 98-59=39 Moving to Node #0,4 Current State: 16:[20, 35, 39], Operations: ['98-59=39'] Exploring Operation: 20+39=59, Resulting Numbers: [35, 59] Generated Node #0,4,0: 16:[35, 59] Operation: 20+39=59 Exploring Operation: 35-20=15, Resulting Numbers: [39, 15] Generated Node #0,4,1: 16:[39, 15] Operation: 35-20=15 Exploring Operation: 20+35=55, Resulting Numbers: [39, 55] Generated Node #0,4,2: 16:[39, 55] Operation: 20+35=55 Exploring Operation: 39-20=19, Resulting Numbers: [35, 19] Generated Node #0,4,3: 16:[35, 19] Operation: 39-20=19 Exploring Operation: 39-35=4, Resulting Numbers: [20, 4] Generated Node #0,4,4: 16:[20, 4] Operation: 39-35=4 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 16:[20, 4], Operations: ['98-59=39', '39-35=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[20, 98, 35, 59], Operations: [] Exploring Operation: 98-59=39, Resulting Numbers: [20, 35, 39] Generated Node #0,4: 16:[20, 35, 39] Operation: 98-59=39 Moving to Node #0,4 Current State: 16:[20, 35, 39], Operations: ['98-59=39'] Exploring Operation: 39-35=4, Resulting Numbers: [20, 4] Generated Node #0,4,4: 16:[20, 4] Operation: 39-35=4 Moving to Node #0,4,4 Current State: 16:[20, 4], Operations: ['98-59=39', '39-35=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 15, 16, 3, 28 ]
53
[ "15+16=31", "3*28=84", "84-31=53" ]
Current State: 53:[15, 16, 3, 28], Operations: [] Exploring Operation: 15+16=31, Resulting Numbers: [3, 28, 31] Generated Node #2: [3, 28, 31] from Operation: 15+16=31 Current State: 53:[3, 28, 31], Operations: ['15+16=31'] Exploring Operation: 3*28=84, Resulting Numbers: [31, 84] Generated Node #3: [31, 84] from Operation: 3*28=84 Current State: 53:[31, 84], Operations: ['15+16=31', '3*28=84'] Exploring Operation: 84-31=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[15, 16, 3, 28], Operations: [] Exploring Operation: 15+16=31, Resulting Numbers: [3, 28, 31] Generated Node #0,0: 53:[3, 28, 31] Operation: 15+16=31 Exploring Operation: 16*3=48, Resulting Numbers: [15, 28, 48] Generated Node #0,1: 53:[15, 28, 48] Operation: 16*3=48 Exploring Operation: 15*3=45, Resulting Numbers: [16, 28, 45] Generated Node #0,2: 53:[16, 28, 45] Operation: 15*3=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[15, 28, 48], Operations: ['16*3=48'] Exploring Operation: 15+48=63, Resulting Numbers: [28, 63] Generated Node #0,1,0: 53:[28, 63] Operation: 15+48=63 Exploring Operation: 28-15=13, Resulting Numbers: [48, 13] Generated Node #0,1,1: 53:[48, 13] Operation: 28-15=13 Exploring Operation: 15+28=43, Resulting Numbers: [48, 43] Generated Node #0,1,2: 53:[48, 43] Operation: 15+28=43 Moving to Node #0,1,2 Current State: 53:[48, 43], Operations: ['16*3=48', '15+28=43'] Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,53 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[28, 63], Operations: ['16*3=48', '15+48=63'] Exploring Operation: 28*63=1764, Resulting Numbers: [1764] 1764,53 unequal: No Solution Exploring Operation: 28+63=91, Resulting Numbers: [91] 91,53 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[48, 13], Operations: ['16*3=48', '28-15=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,53 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,53 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[16, 28, 45], Operations: ['15*3=45'] Exploring Operation: 28-16=12, Resulting Numbers: [45, 12] Generated Node #0,2,0: 53:[45, 12] Operation: 28-16=12 Exploring Operation: 16+45=61, Resulting Numbers: [28, 61] Generated Node #0,2,1: 53:[28, 61] Operation: 16+45=61 Exploring Operation: 16+28=44, Resulting Numbers: [45, 44] Generated Node #0,2,2: 53:[45, 44] Operation: 16+28=44 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[45, 44], Operations: ['15*3=45', '16+28=44'] Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,53 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 45*44=1980, Resulting Numbers: [1980] 1980,53 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 #0,2,1 Current State: 53:[28, 61], Operations: ['15*3=45', '16+45=61'] Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,53 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,53 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,53 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 #0,2,0 Current State: 53:[45, 12], Operations: ['15*3=45', '28-16=12'] Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,53 unequal: No Solution Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,53 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 #0,0 Current State: 53:[3, 28, 31], Operations: ['15+16=31'] Exploring Operation: 28-3=25, Resulting Numbers: [31, 25] Generated Node #0,0,0: 53:[31, 25] Operation: 28-3=25 Exploring Operation: 3+28=31, Resulting Numbers: [31, 31] Generated Node #0,0,1: 53:[31, 31] Operation: 3+28=31 Exploring Operation: 3+31=34, Resulting Numbers: [28, 34] Generated Node #0,0,2: 53:[28, 34] Operation: 3+31=34 Moving to Node #0,0,1 Current State: 53:[31, 31], Operations: ['15+16=31', '3+28=31'] Exploring Operation: 31-31=0, Resulting Numbers: [0] 0,53 unequal: No Solution Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[28, 34], Operations: ['15+16=31', '3+31=34'] Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,53 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,53 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[31, 25], Operations: ['15+16=31', '28-3=25'] Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 31*25=775, Resulting Numbers: [775] 775,53 unequal: No Solution Exploring Operation: 31+25=56, Resulting Numbers: [56] 56,53 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
[ 68, 56, 34, 97 ]
43
[ "68/34=2", "97-56=41", "2+41=43" ]
Current State: 43:[68, 56, 34, 97], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [56, 97, 2] Generated Node #2: [56, 97, 2] from Operation: 68/34=2 Current State: 43:[56, 97, 2], Operations: ['68/34=2'] Exploring Operation: 97-56=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 97-56=41 Current State: 43:[2, 41], Operations: ['68/34=2', '97-56=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[68, 56, 34, 97], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [56, 34, 29] Generated Node #0,0: 43:[56, 34, 29] Operation: 97-68=29 Exploring Operation: 97-56=41, Resulting Numbers: [68, 34, 41] Generated Node #0,1: 43:[68, 34, 41] Operation: 97-56=41 Exploring Operation: 68-56=12, Resulting Numbers: [34, 97, 12] Generated Node #0,2: 43:[34, 97, 12] Operation: 68-56=12 Exploring Operation: 97-34=63, Resulting Numbers: [68, 56, 63] Generated Node #0,3: 43:[68, 56, 63] Operation: 97-34=63 Exploring Operation: 68-34=34, Resulting Numbers: [56, 97, 34] Generated Node #0,4: 43:[56, 97, 34] Operation: 68-34=34 Moving to Node #0,0 Current State: 43:[56, 34, 29], Operations: ['97-68=29'] Exploring Operation: 34-29=5, Resulting Numbers: [56, 5] Generated Node #0,0,0: 43:[56, 5] Operation: 34-29=5 Exploring Operation: 34+29=63, Resulting Numbers: [56, 63] Generated Node #0,0,1: 43:[56, 63] Operation: 34+29=63 Exploring Operation: 56+29=85, Resulting Numbers: [34, 85] Generated Node #0,0,2: 43:[34, 85] Operation: 56+29=85 Exploring Operation: 56-29=27, Resulting Numbers: [34, 27] Generated Node #0,0,3: 43:[34, 27] Operation: 56-29=27 Exploring Operation: 56-34=22, Resulting Numbers: [29, 22] Generated Node #0,0,4: 43:[29, 22] Operation: 56-34=22 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 43:[34, 27], Operations: ['97-68=29', '56-29=27'] Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,43 unequal: No Solution Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[56, 63], Operations: ['97-68=29', '34+29=63'] Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,43 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,43 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 43:[29, 22], Operations: ['97-68=29', '56-34=22'] Exploring Operation: 29+22=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 29*22=638, Resulting Numbers: [638] 638,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[56, 5], Operations: ['97-68=29', '34-29=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,43 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[34, 85], Operations: ['97-68=29', '56+29=85'] Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 34+85=119, Resulting Numbers: [119] 119,43 unequal: No Solution Exploring Operation: 34*85=2890, Resulting Numbers: [2890] 2890,43 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: 43:[68, 34, 41], Operations: ['97-56=41'] Exploring Operation: 68+34=102, Resulting Numbers: [41, 102] Generated Node #0,1,0: 43:[41, 102] Operation: 68+34=102 Exploring Operation: 68-41=27, Resulting Numbers: [34, 27] Generated Node #0,1,1: 43:[34, 27] Operation: 68-41=27 Exploring Operation: 34+41=75, Resulting Numbers: [68, 75] Generated Node #0,1,2: 43:[68, 75] Operation: 34+41=75 Exploring Operation: 68-34=34, Resulting Numbers: [41, 34] Generated Node #0,1,3: 43:[41, 34] Operation: 68-34=34 Exploring Operation: 68/34=2, Resulting Numbers: [41, 2] Generated Node #0,1,4: 43:[41, 2] Operation: 68/34=2 Moving to Node #0,3 Current State: 43:[68, 56, 63], Operations: ['97-34=63'] Exploring Operation: 63-56=7, Resulting Numbers: [68, 7] Generated Node #0,3,0: 43:[68, 7] Operation: 63-56=7 Exploring Operation: 68-56=12, Resulting Numbers: [63, 12] Generated Node #0,3,1: 43:[63, 12] Operation: 68-56=12 Exploring Operation: 68-63=5, Resulting Numbers: [56, 5] Generated Node #0,3,2: 43:[56, 5] Operation: 68-63=5 Exploring Operation: 68+63=131, Resulting Numbers: [56, 131] Generated Node #0,3,3: 43:[56, 131] Operation: 68+63=131 Exploring Operation: 68+56=124, Resulting Numbers: [63, 124] Generated Node #0,3,4: 43:[63, 124] Operation: 68+56=124 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[63, 12], Operations: ['97-34=63', '68-56=12'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 63*12=756, Resulting Numbers: [756] 756,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 43:[56, 5], Operations: ['97-34=63', '68-63=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 43:[68, 7], Operations: ['97-34=63', '63-56=7'] Exploring Operation: 68-7=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 68*7=476, Resulting Numbers: [476] 476,43 unequal: No Solution Exploring Operation: 68+7=75, Resulting Numbers: [75] 75,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 43:[56, 131], Operations: ['97-34=63', '68+63=131'] Exploring Operation: 56*131=7336, Resulting Numbers: [7336] 7336,43 unequal: No Solution Exploring Operation: 131-56=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 56+131=187, Resulting Numbers: [187] 187,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 43:[63, 124], Operations: ['97-34=63', '68+56=124'] Exploring Operation: 63+124=187, Resulting Numbers: [187] 187,43 unequal: No Solution Exploring Operation: 124-63=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 63*124=7812, Resulting Numbers: [7812] 7812,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 43:[56, 97, 34], Operations: ['68-34=34'] Exploring Operation: 56+34=90, Resulting Numbers: [97, 90] Generated Node #0,4,0: 43:[97, 90] Operation: 56+34=90 Exploring Operation: 97-56=41, Resulting Numbers: [34, 41] Generated Node #0,4,1: 43:[34, 41] Operation: 97-56=41 Exploring Operation: 97-34=63, Resulting Numbers: [56, 63] Generated Node #0,4,2: 43:[56, 63] Operation: 97-34=63 Exploring Operation: 56-34=22, Resulting Numbers: [97, 22] Generated Node #0,4,3: 43:[97, 22] Operation: 56-34=22 Exploring Operation: 97+34=131, Resulting Numbers: [56, 131] Generated Node #0,4,4: 43:[56, 131] Operation: 97+34=131 Moving to Node #0,2 Current State: 43:[34, 97, 12], Operations: ['68-56=12'] Exploring Operation: 34-12=22, Resulting Numbers: [97, 22] Generated Node #0,2,0: 43:[97, 22] Operation: 34-12=22 Exploring Operation: 97-34=63, Resulting Numbers: [12, 63] Generated Node #0,2,1: 43:[12, 63] Operation: 97-34=63 Exploring Operation: 97-12=85, Resulting Numbers: [34, 85] Generated Node #0,2,2: 43:[34, 85] Operation: 97-12=85 Exploring Operation: 34+12=46, Resulting Numbers: [97, 46] Generated Node #0,2,3: 43:[97, 46] Operation: 34+12=46 Exploring Operation: 97+12=109, Resulting Numbers: [34, 109] Generated Node #0,2,4: 43:[34, 109] Operation: 97+12=109 Moving to Node #0,1,3 Current State: 43:[41, 34], Operations: ['97-56=41', '68-34=34'] Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[34, 41], Operations: ['68-34=34', '97-56=41'] Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,43 unequal: No Solution Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,43 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[34, 27], Operations: ['97-56=41', '68-41=27'] Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,43 unequal: No Solution Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[56, 63], Operations: ['68-34=34', '97-34=63'] Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,43 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,43 unequal: No Solution Exploring Operation: 56*63=3528, Resulting Numbers: [3528] 3528,43 unequal: No Solution Moving to Node #0,1,4 Current State: 43:[41, 2], Operations: ['97-56=41', '68/34=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,43 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[68, 56, 34, 97], Operations: [] Exploring Operation: 97-56=41, Resulting Numbers: [68, 34, 41] Generated Node #0,1: 43:[68, 34, 41] Operation: 97-56=41 Moving to Node #0,1 Current State: 43:[68, 34, 41], Operations: ['97-56=41'] Exploring Operation: 68/34=2, Resulting Numbers: [41, 2] Generated Node #0,1,4: 43:[41, 2] Operation: 68/34=2 Moving to Node #0,1,4 Current State: 43:[41, 2], Operations: ['97-56=41', '68/34=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.931424
hs_5
sum_heuristic
[ 71, 23, 84, 95 ]
37
[ "71-23=48", "95-84=11", "48-11=37" ]
Current State: 37:[71, 23, 84, 95], Operations: [] Exploring Operation: 71-23=48, Resulting Numbers: [84, 95, 48] Generated Node #2: [84, 95, 48] from Operation: 71-23=48 Current State: 37:[84, 95, 48], Operations: ['71-23=48'] Exploring Operation: 95-84=11, Resulting Numbers: [48, 11] Generated Node #3: [48, 11] from Operation: 95-84=11 Current State: 37:[48, 11], Operations: ['71-23=48', '95-84=11'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[71, 23, 84, 95], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [71, 23, 11] Generated Node #0,0: 37:[71, 23, 11] Operation: 95-84=11 Exploring Operation: 95-71=24, Resulting Numbers: [23, 84, 24] Generated Node #0,1: 37:[23, 84, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[71, 23, 11], Operations: ['95-84=11'] Exploring Operation: 71-11=60, Resulting Numbers: [23, 60] Generated Node #0,0,0: 37:[23, 60] Operation: 71-11=60 Exploring Operation: 71-23=48, Resulting Numbers: [11, 48] Generated Node #0,0,1: 37:[11, 48] Operation: 71-23=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[23, 60], Operations: ['95-84=11', '71-11=60'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[71, 23, 84, 95], Operations: [] Exploring Operation: 95-84=11, Resulting Numbers: [71, 23, 11] Generated Node #0,0: 37:[71, 23, 11] Operation: 95-84=11 Moving to Node #0,0 Current State: 37:[71, 23, 11], Operations: ['95-84=11'] Exploring Operation: 71-11=60, Resulting Numbers: [23, 60] Generated Node #0,0,0: 37:[23, 60] Operation: 71-11=60 Moving to Node #0,0,0 Current State: 37:[23, 60], Operations: ['95-84=11', '71-11=60'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 40, 49, 10, 39 ]
50
[ "40*49=1960", "1960-10=1950", "1950/39=50" ]
Current State: 50:[40, 49, 10, 39], Operations: [] Exploring Operation: 40*49=1960, Resulting Numbers: [10, 39, 1960] Generated Node #2: [10, 39, 1960] from Operation: 40*49=1960 Current State: 50:[10, 39, 1960], Operations: ['40*49=1960'] Exploring Operation: 1960-10=1950, Resulting Numbers: [39, 1950] Generated Node #3: [39, 1950] from Operation: 1960-10=1950 Current State: 50:[39, 1950], Operations: ['40*49=1960', '1960-10=1950'] Exploring Operation: 1950/39=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[40, 49, 10, 39], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [49, 10, 1] Generated Node #0,0: 50:[49, 10, 1] Operation: 40-39=1 Moving to Node #0,0 Current State: 50:[49, 10, 1], Operations: ['40-39=1'] Exploring Operation: 49+1=50, Resulting Numbers: [10, 50] Generated Node #0,0,0: 50:[10, 50] Operation: 49+1=50 Moving to Node #0,0,0 Current State: 50:[10, 50], Operations: ['40-39=1', '49+1=50'] Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 85, 84, 37, 2 ]
35
[ "85-84=1", "37-2=35", "1*35=35" ]
Current State: 35:[85, 84, 37, 2], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [37, 2, 1] Generated Node #2: [37, 2, 1] from Operation: 85-84=1 Current State: 35:[37, 2, 1], Operations: ['85-84=1'] Exploring Operation: 37-2=35, Resulting Numbers: [1, 35] Generated Node #3: [1, 35] from Operation: 37-2=35 Current State: 35:[1, 35], Operations: ['85-84=1', '37-2=35'] Exploring Operation: 1*35=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[85, 84, 37, 2], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [37, 2, 1] Generated Node #0,0: 35:[37, 2, 1] Operation: 85-84=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[37, 2, 1], Operations: ['85-84=1'] Exploring Operation: 37-2=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 35:[1, 35] Operation: 37-2=35 Moving to Node #0,0,0 Current State: 35:[1, 35], Operations: ['85-84=1', '37-2=35'] Exploring Operation: 1*35=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[85, 84, 37, 2], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [37, 2, 1] Generated Node #0,0: 35:[37, 2, 1] Operation: 85-84=1 Moving to Node #0,0 Current State: 35:[37, 2, 1], Operations: ['85-84=1'] Exploring Operation: 37-2=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 35:[1, 35] Operation: 37-2=35 Moving to Node #0,0,0 Current State: 35:[1, 35], Operations: ['85-84=1', '37-2=35'] Exploring Operation: 1*35=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 52, 48, 66, 91 ]
57
[ "52+48=100", "66+91=157", "157-100=57" ]
Current State: 57:[52, 48, 66, 91], Operations: [] Exploring Operation: 52+48=100, Resulting Numbers: [66, 91, 100] Generated Node #2: [66, 91, 100] from Operation: 52+48=100 Current State: 57:[66, 91, 100], Operations: ['52+48=100'] Exploring Operation: 66+91=157, Resulting Numbers: [100, 157] Generated Node #3: [100, 157] from Operation: 66+91=157 Current State: 57:[100, 157], Operations: ['52+48=100', '66+91=157'] Exploring Operation: 157-100=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[52, 48, 66, 91], Operations: [] Exploring Operation: 91-66=25, Resulting Numbers: [52, 48, 25] Generated Node #0,0: 57:[52, 48, 25] Operation: 91-66=25 Moving to Node #0,0 Current State: 57:[52, 48, 25], Operations: ['91-66=25'] Exploring Operation: 52-48=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 57:[25, 4] Operation: 52-48=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[25, 4], Operations: ['91-66=25', '52-48=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 80, 75, 14, 62 ]
80
[ "75-14=61", "62-61=1", "80*1=80" ]
Current State: 80:[80, 75, 14, 62], Operations: [] Exploring Operation: 75-14=61, Resulting Numbers: [80, 62, 61] Generated Node #2: [80, 62, 61] from Operation: 75-14=61 Current State: 80:[80, 62, 61], Operations: ['75-14=61'] Exploring Operation: 62-61=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 62-61=1 Current State: 80:[80, 1], Operations: ['75-14=61', '62-61=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[80, 75, 14, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [80, 14, 13] Generated Node #0,0: 80:[80, 14, 13] Operation: 75-62=13 Exploring Operation: 62-14=48, Resulting Numbers: [80, 75, 48] Generated Node #0,1: 80:[80, 75, 48] Operation: 62-14=48 Exploring Operation: 14+62=76, Resulting Numbers: [80, 75, 76] Generated Node #0,2: 80:[80, 75, 76] Operation: 14+62=76 Exploring Operation: 80-62=18, Resulting Numbers: [75, 14, 18] Generated Node #0,3: 80:[75, 14, 18] Operation: 80-62=18 Exploring Operation: 80-75=5, Resulting Numbers: [14, 62, 5] Generated Node #0,4: 80:[14, 62, 5] Operation: 80-75=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[80, 14, 13], Operations: ['75-62=13'] Exploring Operation: 80+14=94, Resulting Numbers: [13, 94] Generated Node #0,0,0: 80:[13, 94] Operation: 80+14=94 Exploring Operation: 14+13=27, Resulting Numbers: [80, 27] Generated Node #0,0,1: 80:[80, 27] Operation: 14+13=27 Exploring Operation: 80-13=67, Resulting Numbers: [14, 67] Generated Node #0,0,2: 80:[14, 67] Operation: 80-13=67 Exploring Operation: 80+13=93, Resulting Numbers: [14, 93] Generated Node #0,0,3: 80:[14, 93] Operation: 80+13=93 Exploring Operation: 14-13=1, Resulting Numbers: [80, 1] Generated Node #0,0,4: 80:[80, 1] Operation: 14-13=1 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 80:[80, 1], Operations: ['75-62=13', '14-13=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[80, 75, 14, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [80, 14, 13] Generated Node #0,0: 80:[80, 14, 13] Operation: 75-62=13 Moving to Node #0,0 Current State: 80:[80, 14, 13], Operations: ['75-62=13'] Exploring Operation: 14-13=1, Resulting Numbers: [80, 1] Generated Node #0,0,4: 80:[80, 1] Operation: 14-13=1 Moving to Node #0,0,4 Current State: 80:[80, 1], Operations: ['75-62=13', '14-13=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 30, 16, 3, 18 ]
25
[ "30+16=46", "3+18=21", "46-21=25" ]
Current State: 25:[30, 16, 3, 18], Operations: [] Exploring Operation: 30+16=46, Resulting Numbers: [3, 18, 46] Generated Node #2: [3, 18, 46] from Operation: 30+16=46 Current State: 25:[3, 18, 46], Operations: ['30+16=46'] Exploring Operation: 3+18=21, Resulting Numbers: [46, 21] Generated Node #3: [46, 21] from Operation: 3+18=21 Current State: 25:[46, 21], Operations: ['30+16=46', '3+18=21'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[30, 16, 3, 18], Operations: [] Exploring Operation: 16+18=34, Resulting Numbers: [30, 3, 34] Generated Node #0,0: 25:[30, 3, 34] Operation: 16+18=34 Exploring Operation: 18-16=2, Resulting Numbers: [30, 3, 2] Generated Node #0,1: 25:[30, 3, 2] Operation: 18-16=2 Exploring Operation: 18/3=6, Resulting Numbers: [30, 16, 6] Generated Node #0,2: 25:[30, 16, 6] Operation: 18/3=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[30, 3, 2], Operations: ['18-16=2'] Exploring Operation: 30-2=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 25:[3, 28] Operation: 30-2=28 Exploring Operation: 3+2=5, Resulting Numbers: [30, 5] Generated Node #0,1,1: 25:[30, 5] Operation: 3+2=5 Exploring Operation: 30-3=27, Resulting Numbers: [2, 27] Generated Node #0,1,2: 25:[2, 27] Operation: 30-3=27 Moving to Node #0,1,0 Current State: 25:[3, 28], Operations: ['18-16=2', '30-2=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[30, 16, 3, 18], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [30, 3, 2] Generated Node #0,1: 25:[30, 3, 2] Operation: 18-16=2 Moving to Node #0,1 Current State: 25:[30, 3, 2], Operations: ['18-16=2'] Exploring Operation: 30-2=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 25:[3, 28] Operation: 30-2=28 Moving to Node #0,1,0 Current State: 25:[3, 28], Operations: ['18-16=2', '30-2=28'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 94, 38, 40, 46 ]
70
[ "94+46=140", "40-38=2", "140/2=70" ]
Current State: 70:[94, 38, 40, 46], Operations: [] Exploring Operation: 94+46=140, Resulting Numbers: [38, 40, 140] Generated Node #2: [38, 40, 140] from Operation: 94+46=140 Current State: 70:[38, 40, 140], Operations: ['94+46=140'] Exploring Operation: 40-38=2, Resulting Numbers: [140, 2] Generated Node #3: [140, 2] from Operation: 40-38=2 Current State: 70:[140, 2], Operations: ['94+46=140', '40-38=2'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[94, 38, 40, 46], Operations: [] Exploring Operation: 94-46=48, Resulting Numbers: [38, 40, 48] Generated Node #0,0: 70:[38, 40, 48] Operation: 94-46=48 Moving to Node #0,0 Current State: 70:[38, 40, 48], Operations: ['94-46=48'] Exploring Operation: 48-40=8, Resulting Numbers: [38, 8] Generated Node #0,0,0: 70:[38, 8] Operation: 48-40=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[38, 8], Operations: ['94-46=48', '48-40=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,70 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
[ 63, 79, 10, 84 ]
61
[ "84-79=5", "10/5=2", "63-2=61" ]
Current State: 61:[63, 79, 10, 84], Operations: [] Exploring Operation: 84-79=5, Resulting Numbers: [63, 10, 5] Generated Node #2: [63, 10, 5] from Operation: 84-79=5 Current State: 61:[63, 10, 5], Operations: ['84-79=5'] Exploring Operation: 10/5=2, Resulting Numbers: [63, 2] Generated Node #3: [63, 2] from Operation: 10/5=2 Current State: 61:[63, 2], Operations: ['84-79=5', '10/5=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[63, 79, 10, 84], Operations: [] Exploring Operation: 79-10=69, Resulting Numbers: [63, 84, 69] Generated Node #0,0: 61:[63, 84, 69] Operation: 79-10=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[63, 84, 69], Operations: ['79-10=69'] Exploring Operation: 84-63=21, Resulting Numbers: [69, 21] Generated Node #0,0,0: 61:[69, 21] Operation: 84-63=21 Moving to Node #0,0,0 Current State: 61:[69, 21], Operations: ['79-10=69', '84-63=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 75, 85, 74, 68 ]
16
[ "85-75=10", "74-68=6", "10+6=16" ]
Current State: 16:[75, 85, 74, 68], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [74, 68, 10] Generated Node #2: [74, 68, 10] from Operation: 85-75=10 Current State: 16:[74, 68, 10], Operations: ['85-75=10'] Exploring Operation: 74-68=6, Resulting Numbers: [10, 6] Generated Node #3: [10, 6] from Operation: 74-68=6 Current State: 16:[10, 6], Operations: ['85-75=10', '74-68=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[75, 85, 74, 68], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [75, 74, 17] Generated Node #0,0: 16:[75, 74, 17] Operation: 85-68=17 Exploring Operation: 85-74=11, Resulting Numbers: [75, 68, 11] Generated Node #0,1: 16:[75, 68, 11] Operation: 85-74=11 Exploring Operation: 75-74=1, Resulting Numbers: [85, 68, 1] Generated Node #0,2: 16:[85, 68, 1] Operation: 75-74=1 Exploring Operation: 85-75=10, Resulting Numbers: [74, 68, 10] Generated Node #0,3: 16:[74, 68, 10] Operation: 85-75=10 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[74, 68, 10], Operations: ['85-75=10'] Exploring Operation: 68-10=58, Resulting Numbers: [74, 58] Generated Node #0,3,0: 16:[74, 58] Operation: 68-10=58 Exploring Operation: 74-10=64, Resulting Numbers: [68, 64] Generated Node #0,3,1: 16:[68, 64] Operation: 74-10=64 Exploring Operation: 74-68=6, Resulting Numbers: [10, 6] Generated Node #0,3,2: 16:[10, 6] Operation: 74-68=6 Exploring Operation: 74+10=84, Resulting Numbers: [68, 84] Generated Node #0,3,3: 16:[68, 84] Operation: 74+10=84 Moving to Node #0,3,2 Current State: 16:[10, 6], Operations: ['85-75=10', '74-68=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[75, 85, 74, 68], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [74, 68, 10] Generated Node #0,3: 16:[74, 68, 10] Operation: 85-75=10 Moving to Node #0,3 Current State: 16:[74, 68, 10], Operations: ['85-75=10'] Exploring Operation: 74-68=6, Resulting Numbers: [10, 6] Generated Node #0,3,2: 16:[10, 6] Operation: 74-68=6 Moving to Node #0,3,2 Current State: 16:[10, 6], Operations: ['85-75=10', '74-68=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 12, 45, 45, 10 ]
22
[ "12+45=57", "45-10=35", "57-35=22" ]
Current State: 22:[12, 45, 45, 10], Operations: [] Exploring Operation: 12+45=57, Resulting Numbers: [10, 57] Generated Node #2: [10, 57] from Operation: 12+45=57 Current State: 22:[10, 57], Operations: ['12+45=57'] Exploring Operation: 45-10=35, Resulting Numbers: [57, 35] Generated Node #3: [57, 35] from Operation: 45-10=35 Current State: 22:[57, 35], Operations: ['12+45=57', '45-10=35'] Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[12, 45, 45, 10], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [12, 10, 1] Generated Node #0,0: 22:[12, 10, 1] Operation: 45/45=1 Moving to Node #0,0 Current State: 22:[12, 10, 1], Operations: ['45/45=1'] Exploring Operation: 12+10=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 22:[1, 22] Operation: 12+10=22 Moving to Node #0,0,0 Current State: 22:[1, 22], Operations: ['45/45=1', '12+10=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[12, 45, 45, 10], Operations: [] Exploring Operation: 45/45=1, Resulting Numbers: [12, 10, 1] Generated Node #0,0: 22:[12, 10, 1] Operation: 45/45=1 Moving to Node #0,0 Current State: 22:[12, 10, 1], Operations: ['45/45=1'] Exploring Operation: 12+10=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 22:[1, 22] Operation: 12+10=22 Moving to Node #0,0,0 Current State: 22:[1, 22], Operations: ['45/45=1', '12+10=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 11, 28, 52, 95 ]
55
[ "95-11=84", "84/28=3", "52+3=55" ]
Current State: 55:[11, 28, 52, 95], Operations: [] Exploring Operation: 95-11=84, Resulting Numbers: [28, 52, 84] Generated Node #2: [28, 52, 84] from Operation: 95-11=84 Current State: 55:[28, 52, 84], Operations: ['95-11=84'] Exploring Operation: 84/28=3, Resulting Numbers: [52, 3] Generated Node #3: [52, 3] from Operation: 84/28=3 Current State: 55:[52, 3], Operations: ['95-11=84', '84/28=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[11, 28, 52, 95], Operations: [] Exploring Operation: 95-28=67, Resulting Numbers: [11, 52, 67] Generated Node #0,0: 55:[11, 52, 67] Operation: 95-28=67 Exploring Operation: 28-11=17, Resulting Numbers: [52, 95, 17] Generated Node #0,1: 55:[52, 95, 17] Operation: 28-11=17 Exploring Operation: 95-52=43, Resulting Numbers: [11, 28, 43] Generated Node #0,2: 55:[11, 28, 43] Operation: 95-52=43 Exploring Operation: 95-11=84, Resulting Numbers: [28, 52, 84] Generated Node #0,3: 55:[28, 52, 84] Operation: 95-11=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[11, 52, 67], Operations: ['95-28=67'] Exploring Operation: 67-11=56, Resulting Numbers: [52, 56] Generated Node #0,0,0: 55:[52, 56] Operation: 67-11=56 Exploring Operation: 67-52=15, Resulting Numbers: [11, 15] Generated Node #0,0,1: 55:[11, 15] Operation: 67-52=15 Exploring Operation: 11+52=63, Resulting Numbers: [67, 63] Generated Node #0,0,2: 55:[67, 63] Operation: 11+52=63 Exploring Operation: 52-11=41, Resulting Numbers: [67, 41] Generated Node #0,0,3: 55:[67, 41] Operation: 52-11=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[52, 56], Operations: ['95-28=67', '67-11=56'] Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,55 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,55 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[11, 15], Operations: ['95-28=67', '67-52=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 55:[67, 63], Operations: ['95-28=67', '11+52=63'] Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,55 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 55:[67, 41], Operations: ['95-28=67', '52-11=41'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,55 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[11, 28, 43], Operations: ['95-52=43'] Exploring Operation: 11+43=54, Resulting Numbers: [28, 54] Generated Node #0,2,0: 55:[28, 54] Operation: 11+43=54 Exploring Operation: 28+43=71, Resulting Numbers: [11, 71] Generated Node #0,2,1: 55:[11, 71] Operation: 28+43=71 Exploring Operation: 28-11=17, Resulting Numbers: [43, 17] Generated Node #0,2,2: 55:[43, 17] Operation: 28-11=17 Exploring Operation: 43-28=15, Resulting Numbers: [11, 15] Generated Node #0,2,3: 55:[11, 15] Operation: 43-28=15 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[11, 15], Operations: ['95-52=43', '43-28=15'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,55 unequal: No Solution Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,55 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 #0,2,1 Current State: 55:[11, 71], Operations: ['95-52=43', '28+43=71'] Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,55 unequal: No Solution Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,55 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,55 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 #0,2,0 Current State: 55:[28, 54], Operations: ['95-52=43', '11+43=54'] Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,55 unequal: No Solution Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,55 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 #0,2,2 Current State: 55:[43, 17], Operations: ['95-52=43', '28-11=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,55 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[52, 95, 17], Operations: ['28-11=17'] Exploring Operation: 52-17=35, Resulting Numbers: [95, 35] Generated Node #0,1,0: 55:[95, 35] Operation: 52-17=35 Exploring Operation: 95-52=43, Resulting Numbers: [17, 43] Generated Node #0,1,1: 55:[17, 43] Operation: 95-52=43 Exploring Operation: 95-17=78, Resulting Numbers: [52, 78] Generated Node #0,1,2: 55:[52, 78] Operation: 95-17=78 Exploring Operation: 52+17=69, Resulting Numbers: [95, 69] Generated Node #0,1,3: 55:[95, 69] Operation: 52+17=69 Moving to Node #0,1,1 Current State: 55:[17, 43], Operations: ['28-11=17', '95-52=43'] Exploring Operation: 17*43=731, Resulting Numbers: [731] 731,55 unequal: No Solution Exploring Operation: 17+43=60, Resulting Numbers: [60] 60,55 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[52, 78], Operations: ['28-11=17', '95-17=78'] Exploring Operation: 52+78=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 52*78=4056, Resulting Numbers: [4056] 4056,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[95, 69], Operations: ['28-11=17', '52+17=69'] Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 95+69=164, Resulting Numbers: [164] 164,55 unequal: No Solution Exploring Operation: 95*69=6555, Resulting Numbers: [6555] 6555,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[95, 35], Operations: ['28-11=17', '52-17=35'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,55 unequal: No Solution Exploring Operation: 95+35=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 95*35=3325, Resulting Numbers: [3325] 3325,55 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 #0,3 Current State: 55:[28, 52, 84], Operations: ['95-11=84'] Exploring Operation: 52-28=24, Resulting Numbers: [84, 24] Generated Node #0,3,0: 55:[84, 24] Operation: 52-28=24 Exploring Operation: 84-52=32, Resulting Numbers: [28, 32] Generated Node #0,3,1: 55:[28, 32] Operation: 84-52=32 Exploring Operation: 84-28=56, Resulting Numbers: [52, 56] Generated Node #0,3,2: 55:[52, 56] Operation: 84-28=56 Exploring Operation: 84/28=3, Resulting Numbers: [52, 3] Generated Node #0,3,3: 55:[52, 3] Operation: 84/28=3 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 55:[52, 56], Operations: ['95-11=84', '84-28=56'] Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,55 unequal: No Solution Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,55 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,55 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 #0,3,3 Current State: 55:[52, 3], Operations: ['95-11=84', '84/28=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[11, 28, 52, 95], Operations: [] Exploring Operation: 95-11=84, Resulting Numbers: [28, 52, 84] Generated Node #0,3: 55:[28, 52, 84] Operation: 95-11=84 Moving to Node #0,3 Current State: 55:[28, 52, 84], Operations: ['95-11=84'] Exploring Operation: 84/28=3, Resulting Numbers: [52, 3] Generated Node #0,3,3: 55:[52, 3] Operation: 84/28=3 Moving to Node #0,3,3 Current State: 55:[52, 3], Operations: ['95-11=84', '84/28=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.944444
hs_4
mult_heuristic
[ 42, 22, 98, 88 ]
52
[ "98-42=56", "88/22=4", "56-4=52" ]
Current State: 52:[42, 22, 98, 88], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [22, 88, 56] Generated Node #2: [22, 88, 56] from Operation: 98-42=56 Current State: 52:[22, 88, 56], Operations: ['98-42=56'] Exploring Operation: 88/22=4, Resulting Numbers: [56, 4] Generated Node #3: [56, 4] from Operation: 88/22=4 Current State: 52:[56, 4], Operations: ['98-42=56', '88/22=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[42, 22, 98, 88], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [22, 88, 56] Generated Node #0,0: 52:[22, 88, 56] Operation: 98-42=56 Exploring Operation: 98-22=76, Resulting Numbers: [42, 88, 76] Generated Node #0,1: 52:[42, 88, 76] Operation: 98-22=76 Exploring Operation: 98-88=10, Resulting Numbers: [42, 22, 10] Generated Node #0,2: 52:[42, 22, 10] Operation: 98-88=10 Exploring Operation: 88/22=4, Resulting Numbers: [42, 98, 4] Generated Node #0,3: 52:[42, 98, 4] Operation: 88/22=4 Exploring Operation: 88-42=46, Resulting Numbers: [22, 98, 46] Generated Node #0,4: 52:[22, 98, 46] Operation: 88-42=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[42, 22, 10], Operations: ['98-88=10'] Exploring Operation: 42+22=64, Resulting Numbers: [10, 64] Generated Node #0,2,0: 52:[10, 64] Operation: 42+22=64 Exploring Operation: 42-10=32, Resulting Numbers: [22, 32] Generated Node #0,2,1: 52:[22, 32] Operation: 42-10=32 Exploring Operation: 22-10=12, Resulting Numbers: [42, 12] Generated Node #0,2,2: 52:[42, 12] Operation: 22-10=12 Exploring Operation: 42+10=52, Resulting Numbers: [22, 52] Generated Node #0,2,3: 52:[22, 52] Operation: 42+10=52 Exploring Operation: 42-22=20, Resulting Numbers: [10, 20] Generated Node #0,2,4: 52:[10, 20] Operation: 42-22=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 52:[22, 52], Operations: ['98-88=10', '42+10=52'] Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,52 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 52:[10, 20], Operations: ['98-88=10', '42-22=20'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 10*20=200, Resulting Numbers: [200] 200,52 unequal: No Solution Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 52:[22, 32], Operations: ['98-88=10', '42-10=32'] Exploring Operation: 22+32=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 22*32=704, Resulting Numbers: [704] 704,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[42, 12], Operations: ['98-88=10', '22-10=12'] Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 52:[10, 64], Operations: ['98-88=10', '42+22=64'] Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,52 unequal: No Solution Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[22, 88, 56], Operations: ['98-42=56'] Exploring Operation: 22+88=110, Resulting Numbers: [56, 110] Generated Node #0,0,0: 52:[56, 110] Operation: 22+88=110 Exploring Operation: 88/22=4, Resulting Numbers: [56, 4] Generated Node #0,0,1: 52:[56, 4] Operation: 88/22=4 Exploring Operation: 56-22=34, Resulting Numbers: [88, 34] Generated Node #0,0,2: 52:[88, 34] Operation: 56-22=34 Exploring Operation: 88-22=66, Resulting Numbers: [56, 66] Generated Node #0,0,3: 52:[56, 66] Operation: 88-22=66 Exploring Operation: 88-56=32, Resulting Numbers: [22, 32] Generated Node #0,0,4: 52:[22, 32] Operation: 88-56=32 Moving to Node #0,0,1 Current State: 52:[56, 4], Operations: ['98-42=56', '88/22=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[42, 22, 98, 88], Operations: [] Exploring Operation: 98-42=56, Resulting Numbers: [22, 88, 56] Generated Node #0,0: 52:[22, 88, 56] Operation: 98-42=56 Moving to Node #0,0 Current State: 52:[22, 88, 56], Operations: ['98-42=56'] Exploring Operation: 88/22=4, Resulting Numbers: [56, 4] Generated Node #0,0,1: 52:[56, 4] Operation: 88/22=4 Moving to Node #0,0,1 Current State: 52:[56, 4], Operations: ['98-42=56', '88/22=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 10, 53, 43, 41 ]
96
[ "43-41=2", "53*2=106", "106-10=96" ]
Current State: 96:[10, 53, 43, 41], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [10, 53, 2] Generated Node #2: [10, 53, 2] from Operation: 43-41=2 Current State: 96:[10, 53, 2], Operations: ['43-41=2'] Exploring Operation: 53*2=106, Resulting Numbers: [10, 106] Generated Node #3: [10, 106] from Operation: 53*2=106 Current State: 96:[10, 106], Operations: ['43-41=2', '53*2=106'] Exploring Operation: 106-10=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[10, 53, 43, 41], Operations: [] Exploring Operation: 53-41=12, Resulting Numbers: [10, 43, 12] Generated Node #0,0: 96:[10, 43, 12] Operation: 53-41=12 Moving to Node #0,0 Current State: 96:[10, 43, 12], Operations: ['53-41=12'] Exploring Operation: 43-10=33, Resulting Numbers: [12, 33] Generated Node #0,0,0: 96:[12, 33] Operation: 43-10=33 Moving to Node #0,0,0 Current State: 96:[12, 33], Operations: ['53-41=12', '43-10=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,96 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 10, 31, 27, 31 ]
25
[ "31-10=21", "31-27=4", "21+4=25" ]
Current State: 25:[10, 31, 27, 31], Operations: [] Exploring Operation: 31-10=21, Resulting Numbers: [27, 21] Generated Node #2: [27, 21] from Operation: 31-10=21 Current State: 25:[27, 21], Operations: ['31-10=21'] Exploring Operation: 31-27=4, Resulting Numbers: [21, 4] Generated Node #3: [21, 4] from Operation: 31-27=4 Current State: 25:[21, 4], Operations: ['31-10=21', '31-27=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[10, 31, 27, 31], Operations: [] Exploring Operation: 31/31=1, Resulting Numbers: [10, 27, 1] Generated Node #0,0: 25:[10, 27, 1] Operation: 31/31=1 Exploring Operation: 31-10=21, Resulting Numbers: [27, 31, 21] Generated Node #0,1: 25:[27, 31, 21] Operation: 31-10=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[10, 27, 1], Operations: ['31/31=1'] Exploring Operation: 27-1=26, Resulting Numbers: [10, 26] Generated Node #0,0,0: 25:[10, 26] Operation: 27-1=26 Exploring Operation: 10-1=9, Resulting Numbers: [27, 9] Generated Node #0,0,1: 25:[27, 9] Operation: 10-1=9 Moving to Node #0,0,0 Current State: 25:[10, 26], Operations: ['31/31=1', '27-1=26'] Exploring Operation: 10+26=36, Resulting Numbers: [36] 36,25 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[27, 9], Operations: ['31/31=1', '10-1=9'] Exploring Operation: 27/9=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 27-9=18, Resulting Numbers: [18] 18,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[27, 31, 21], Operations: ['31-10=21'] Exploring Operation: 27-21=6, Resulting Numbers: [31, 6] Generated Node #0,1,0: 25:[31, 6] Operation: 27-21=6 Exploring Operation: 31-27=4, Resulting Numbers: [21, 4] Generated Node #0,1,1: 25:[21, 4] Operation: 31-27=4 Moving to Node #0,1,1 Current State: 25:[21, 4], Operations: ['31-10=21', '31-27=4'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,25 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[10, 31, 27, 31], Operations: [] Exploring Operation: 31-10=21, Resulting Numbers: [27, 31, 21] Generated Node #0,1: 25:[27, 31, 21] Operation: 31-10=21 Moving to Node #0,1 Current State: 25:[27, 31, 21], Operations: ['31-10=21'] Exploring Operation: 31-27=4, Resulting Numbers: [21, 4] Generated Node #0,1,1: 25:[21, 4] Operation: 31-27=4 Moving to Node #0,1,1 Current State: 25:[21, 4], Operations: ['31-10=21', '31-27=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 71, 3, 5, 54 ]
25
[ "71+3=74", "54-5=49", "74-49=25" ]
Current State: 25:[71, 3, 5, 54], Operations: [] Exploring Operation: 71+3=74, Resulting Numbers: [5, 54, 74] Generated Node #2: [5, 54, 74] from Operation: 71+3=74 Current State: 25:[5, 54, 74], Operations: ['71+3=74'] Exploring Operation: 54-5=49, Resulting Numbers: [74, 49] Generated Node #3: [74, 49] from Operation: 54-5=49 Current State: 25:[74, 49], Operations: ['71+3=74', '54-5=49'] Exploring Operation: 74-49=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[71, 3, 5, 54], Operations: [] Exploring Operation: 71-5=66, Resulting Numbers: [3, 54, 66] Generated Node #0,0: 25:[3, 54, 66] Operation: 71-5=66 Exploring Operation: 71-3=68, Resulting Numbers: [5, 54, 68] Generated Node #0,1: 25:[5, 54, 68] Operation: 71-3=68 Exploring Operation: 54/3=18, Resulting Numbers: [71, 5, 18] Generated Node #0,2: 25:[71, 5, 18] Operation: 54/3=18 Exploring Operation: 71-54=17, Resulting Numbers: [3, 5, 17] Generated Node #0,3: 25:[3, 5, 17] Operation: 71-54=17 Moving to Node #0,3 Current State: 25:[3, 5, 17], Operations: ['71-54=17'] Exploring Operation: 5+17=22, Resulting Numbers: [3, 22] Generated Node #0,3,0: 25:[3, 22] Operation: 5+17=22 Exploring Operation: 17-5=12, Resulting Numbers: [3, 12] Generated Node #0,3,1: 25:[3, 12] Operation: 17-5=12 Exploring Operation: 17-3=14, Resulting Numbers: [5, 14] Generated Node #0,3,2: 25:[5, 14] Operation: 17-3=14 Exploring Operation: 3+17=20, Resulting Numbers: [5, 20] Generated Node #0,3,3: 25:[5, 20] Operation: 3+17=20 Moving to Node #0,2 Current State: 25:[71, 5, 18], Operations: ['54/3=18'] Exploring Operation: 5+18=23, Resulting Numbers: [71, 23] Generated Node #0,2,0: 25:[71, 23] Operation: 5+18=23 Exploring Operation: 71-5=66, Resulting Numbers: [18, 66] Generated Node #0,2,1: 25:[18, 66] Operation: 71-5=66 Exploring Operation: 71-18=53, Resulting Numbers: [5, 53] Generated Node #0,2,2: 25:[5, 53] Operation: 71-18=53 Exploring Operation: 18-5=13, Resulting Numbers: [71, 13] Generated Node #0,2,3: 25:[71, 13] Operation: 18-5=13 Moving to Node #0,1 Current State: 25:[5, 54, 68], Operations: ['71-3=68'] Exploring Operation: 54-5=49, Resulting Numbers: [68, 49] Generated Node #0,1,0: 25:[68, 49] Operation: 54-5=49 Exploring Operation: 5+54=59, Resulting Numbers: [68, 59] Generated Node #0,1,1: 25:[68, 59] Operation: 5+54=59 Exploring Operation: 68-54=14, Resulting Numbers: [5, 14] Generated Node #0,1,2: 25:[5, 14] Operation: 68-54=14 Exploring Operation: 68-5=63, Resulting Numbers: [54, 63] Generated Node #0,1,3: 25:[54, 63] Operation: 68-5=63 Moving to Node #0,0 Current State: 25:[3, 54, 66], Operations: ['71-5=66'] Exploring Operation: 66/3=22, Resulting Numbers: [54, 22] Generated Node #0,0,0: 25:[54, 22] Operation: 66/3=22 Exploring Operation: 54/3=18, Resulting Numbers: [66, 18] Generated Node #0,0,1: 25:[66, 18] Operation: 54/3=18 Exploring Operation: 66-54=12, Resulting Numbers: [3, 12] Generated Node #0,0,2: 25:[3, 12] Operation: 66-54=12 Exploring Operation: 54-3=51, Resulting Numbers: [66, 51] Generated Node #0,0,3: 25:[66, 51] Operation: 54-3=51 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[3, 12], Operations: ['71-5=66', '66-54=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,25 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[54, 22], Operations: ['71-5=66', '66/3=22'] Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[66, 18], Operations: ['71-5=66', '54/3=18'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,25 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[66, 51], Operations: ['71-5=66', '54-3=51'] Exploring Operation: 66+51=117, Resulting Numbers: [117] 117,25 unequal: No Solution Exploring Operation: 66*51=3366, Resulting Numbers: [3366] 3366,25 unequal: No Solution Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,25 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: 25:[3, 22], Operations: ['71-54=17', '5+17=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[71, 3, 5, 54], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [3, 5, 17] Generated Node #0,3: 25:[3, 5, 17] Operation: 71-54=17 Moving to Node #0,3 Current State: 25:[3, 5, 17], Operations: ['71-54=17'] Exploring Operation: 5+17=22, Resulting Numbers: [3, 22] Generated Node #0,3,0: 25:[3, 22] Operation: 5+17=22 Moving to Node #0,3,0 Current State: 25:[3, 22], Operations: ['71-54=17', '5+17=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 20, 59, 34, 74 ]
69
[ "59-20=39", "34+74=108", "108-39=69" ]
Current State: 69:[20, 59, 34, 74], Operations: [] Exploring Operation: 59-20=39, Resulting Numbers: [34, 74, 39] Generated Node #2: [34, 74, 39] from Operation: 59-20=39 Current State: 69:[34, 74, 39], Operations: ['59-20=39'] Exploring Operation: 34+74=108, Resulting Numbers: [39, 108] Generated Node #3: [39, 108] from Operation: 34+74=108 Current State: 69:[39, 108], Operations: ['59-20=39', '34+74=108'] Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[20, 59, 34, 74], Operations: [] Exploring Operation: 59-34=25, Resulting Numbers: [20, 74, 25] Generated Node #0,0: 69:[20, 74, 25] Operation: 59-34=25 Exploring Operation: 34-20=14, Resulting Numbers: [59, 74, 14] Generated Node #0,1: 69:[59, 74, 14] Operation: 34-20=14 Exploring Operation: 74-59=15, Resulting Numbers: [20, 34, 15] Generated Node #0,2: 69:[20, 34, 15] Operation: 74-59=15 Moving to Node #0,0 Current State: 69:[20, 74, 25], Operations: ['59-34=25'] Exploring Operation: 74-20=54, Resulting Numbers: [25, 54] Generated Node #0,0,0: 69:[25, 54] Operation: 74-20=54 Exploring Operation: 74-25=49, Resulting Numbers: [20, 49] Generated Node #0,0,1: 69:[20, 49] Operation: 74-25=49 Exploring Operation: 25-20=5, Resulting Numbers: [74, 5] Generated Node #0,0,2: 69:[74, 5] Operation: 25-20=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[74, 5], Operations: ['59-34=25', '25-20=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[20, 59, 34, 74], Operations: [] Exploring Operation: 59-34=25, Resulting Numbers: [20, 74, 25] Generated Node #0,0: 69:[20, 74, 25] Operation: 59-34=25 Moving to Node #0,0 Current State: 69:[20, 74, 25], Operations: ['59-34=25'] Exploring Operation: 25-20=5, Resulting Numbers: [74, 5] Generated Node #0,0,2: 69:[74, 5] Operation: 25-20=5 Moving to Node #0,0,2 Current State: 69:[74, 5], Operations: ['59-34=25', '25-20=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 6, 20, 89, 10 ]
29
[ "20-10=10", "6*10=60", "89-60=29" ]
Current State: 29:[6, 20, 89, 10], Operations: [] Exploring Operation: 20-10=10, Resulting Numbers: [6, 89, 10] Generated Node #2: [6, 89, 10] from Operation: 20-10=10 Current State: 29:[6, 89, 10], Operations: ['20-10=10'] Exploring Operation: 6*10=60, Resulting Numbers: [89, 60] Generated Node #3: [89, 60] from Operation: 6*10=60 Current State: 29:[89, 60], Operations: ['20-10=10', '6*10=60'] Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[6, 20, 89, 10], Operations: [] Exploring Operation: 6+20=26, Resulting Numbers: [89, 10, 26] Generated Node #0,0: 29:[89, 10, 26] Operation: 6+20=26 Exploring Operation: 89-6=83, Resulting Numbers: [20, 10, 83] Generated Node #0,1: 29:[20, 10, 83] Operation: 89-6=83 Exploring Operation: 6+10=16, Resulting Numbers: [20, 89, 16] Generated Node #0,2: 29:[20, 89, 16] Operation: 6+10=16 Moving to Node #0,0 Current State: 29:[89, 10, 26], Operations: ['6+20=26'] Exploring Operation: 89-10=79, Resulting Numbers: [26, 79] Generated Node #0,0,0: 29:[26, 79] Operation: 89-10=79 Exploring Operation: 89-26=63, Resulting Numbers: [10, 63] Generated Node #0,0,1: 29:[10, 63] Operation: 89-26=63 Exploring Operation: 10+26=36, Resulting Numbers: [89, 36] Generated Node #0,0,2: 29:[89, 36] Operation: 10+26=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[26, 79], Operations: ['6+20=26', '89-10=79'] Exploring Operation: 26+79=105, Resulting Numbers: [105] 105,29 unequal: No Solution Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 26*79=2054, Resulting Numbers: [2054] 2054,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[10, 63], Operations: ['6+20=26', '89-26=63'] Exploring Operation: 10*63=630, Resulting Numbers: [630] 630,29 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 10+63=73, Resulting Numbers: [73] 73,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[89, 36], Operations: ['6+20=26', '10+26=36'] Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,29 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,29 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: 29:[20, 10, 83], Operations: ['89-6=83'] Exploring Operation: 83-10=73, Resulting Numbers: [20, 73] Generated Node #0,1,0: 29:[20, 73] Operation: 83-10=73 Exploring Operation: 83-20=63, Resulting Numbers: [10, 63] Generated Node #0,1,1: 29:[10, 63] Operation: 83-20=63 Exploring Operation: 20+10=30, Resulting Numbers: [83, 30] Generated Node #0,1,2: 29:[83, 30] Operation: 20+10=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[20, 73], Operations: ['89-6=83', '83-10=73'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,29 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[10, 63], Operations: ['89-6=83', '83-20=63'] Exploring Operation: 10*63=630, Resulting Numbers: [630] 630,29 unequal: No Solution Exploring Operation: 10+63=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[83, 30], Operations: ['89-6=83', '20+10=30'] Exploring Operation: 83+30=113, Resulting Numbers: [113] 113,29 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 83*30=2490, Resulting Numbers: [2490] 2490,29 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: 29:[20, 89, 16], Operations: ['6+10=16'] Exploring Operation: 89-20=69, Resulting Numbers: [16, 69] Generated Node #0,2,0: 29:[16, 69] Operation: 89-20=69 Exploring Operation: 20+16=36, Resulting Numbers: [89, 36] Generated Node #0,2,1: 29:[89, 36] Operation: 20+16=36 Exploring Operation: 89-16=73, Resulting Numbers: [20, 73] Generated Node #0,2,2: 29:[20, 73] Operation: 89-16=73 Moving to Node #0,2,0 Current State: 29:[16, 69], Operations: ['6+10=16', '89-20=69'] Exploring Operation: 16*69=1104, Resulting Numbers: [1104] 1104,29 unequal: No Solution Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 16+69=85, Resulting Numbers: [85] 85,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[20, 73], Operations: ['6+10=16', '89-16=73'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,29 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[89, 36], Operations: ['6+10=16', '20+16=36'] Exploring Operation: 89+36=125, Resulting Numbers: [125] 125,29 unequal: No Solution Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,29 unequal: No Solution Exploring Operation: 89*36=3204, Resulting Numbers: [3204] 3204,29 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 17, 75, 36, 34 ]
22
[ "17+75=92", "36+34=70", "92-70=22" ]
Current State: 22:[17, 75, 36, 34], Operations: [] Exploring Operation: 17+75=92, Resulting Numbers: [36, 34, 92] Generated Node #2: [36, 34, 92] from Operation: 17+75=92 Current State: 22:[36, 34, 92], Operations: ['17+75=92'] Exploring Operation: 36+34=70, Resulting Numbers: [92, 70] Generated Node #3: [92, 70] from Operation: 36+34=70 Current State: 22:[92, 70], Operations: ['17+75=92', '36+34=70'] Exploring Operation: 92-70=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[17, 75, 36, 34], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [17, 36, 41] Generated Node #0,0: 22:[17, 36, 41] Operation: 75-34=41 Exploring Operation: 75-17=58, Resulting Numbers: [36, 34, 58] Generated Node #0,1: 22:[36, 34, 58] Operation: 75-17=58 Exploring Operation: 36-34=2, Resulting Numbers: [17, 75, 2] Generated Node #0,2: 22:[17, 75, 2] Operation: 36-34=2 Exploring Operation: 75-36=39, Resulting Numbers: [17, 34, 39] Generated Node #0,3: 22:[17, 34, 39] Operation: 75-36=39 Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[17, 34, 39], Operations: ['75-36=39'] Exploring Operation: 39-17=22, Resulting Numbers: [34, 22] Generated Node #0,3,0: 22:[34, 22] Operation: 39-17=22 Exploring Operation: 34/17=2, Resulting Numbers: [39, 2] Generated Node #0,3,1: 22:[39, 2] Operation: 34/17=2 Exploring Operation: 39-34=5, Resulting Numbers: [17, 5] Generated Node #0,3,2: 22:[17, 5] Operation: 39-34=5 Exploring Operation: 34-17=17, Resulting Numbers: [39, 17] Generated Node #0,3,3: 22:[39, 17] Operation: 34-17=17 Moving to Node #0,3,2 Current State: 22:[17, 5], Operations: ['75-36=39', '39-34=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,22 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[17, 75, 36, 34], Operations: [] Exploring Operation: 75-36=39, Resulting Numbers: [17, 34, 39] Generated Node #0,3: 22:[17, 34, 39] Operation: 75-36=39 Moving to Node #0,3 Current State: 22:[17, 34, 39], Operations: ['75-36=39'] Exploring Operation: 39-34=5, Resulting Numbers: [17, 5] Generated Node #0,3,2: 22:[17, 5] Operation: 39-34=5 Moving to Node #0,3,2 Current State: 22:[17, 5], Operations: ['75-36=39', '39-34=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 7, 6, 71, 32 ]
12
[ "71-7=64", "6*64=384", "384/32=12" ]
Current State: 12:[7, 6, 71, 32], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [6, 32, 64] Generated Node #2: [6, 32, 64] from Operation: 71-7=64 Current State: 12:[6, 32, 64], Operations: ['71-7=64'] Exploring Operation: 6*64=384, Resulting Numbers: [32, 384] Generated Node #3: [32, 384] from Operation: 6*64=384 Current State: 12:[32, 384], Operations: ['71-7=64', '6*64=384'] Exploring Operation: 384/32=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[7, 6, 71, 32], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [6, 32, 64] Generated Node #0,0: 12:[6, 32, 64] Operation: 71-7=64 Exploring Operation: 71-32=39, Resulting Numbers: [7, 6, 39] Generated Node #0,1: 12:[7, 6, 39] Operation: 71-32=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[7, 6, 39], Operations: ['71-32=39'] Exploring Operation: 39-6=33, Resulting Numbers: [7, 33] Generated Node #0,1,0: 12:[7, 33] Operation: 39-6=33 Exploring Operation: 39-7=32, Resulting Numbers: [6, 32] Generated Node #0,1,1: 12:[6, 32] Operation: 39-7=32 Moving to Node #0,1,1 Current State: 12:[6, 32], Operations: ['71-32=39', '39-7=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[7, 33], Operations: ['71-32=39', '39-6=33'] Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[6, 32, 64], Operations: ['71-7=64'] Exploring Operation: 64/32=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 12:[6, 2] Operation: 64/32=2 Exploring Operation: 64-32=32, Resulting Numbers: [6, 32] Generated Node #0,0,1: 12:[6, 32] Operation: 64-32=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[6, 2], Operations: ['71-7=64', '64/32=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[7, 6, 71, 32], Operations: [] Exploring Operation: 71-7=64, Resulting Numbers: [6, 32, 64] Generated Node #0,0: 12:[6, 32, 64] Operation: 71-7=64 Moving to Node #0,0 Current State: 12:[6, 32, 64], Operations: ['71-7=64'] Exploring Operation: 64/32=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 12:[6, 2] Operation: 64/32=2 Moving to Node #0,0,0 Current State: 12:[6, 2], Operations: ['71-7=64', '64/32=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 6, 31, 84, 30 ]
50
[ "84+30=114", "114/6=19", "31+19=50" ]
Current State: 50:[6, 31, 84, 30], Operations: [] Exploring Operation: 84+30=114, Resulting Numbers: [6, 31, 114] Generated Node #2: [6, 31, 114] from Operation: 84+30=114 Current State: 50:[6, 31, 114], Operations: ['84+30=114'] Exploring Operation: 114/6=19, Resulting Numbers: [31, 19] Generated Node #3: [31, 19] from Operation: 114/6=19 Current State: 50:[31, 19], Operations: ['84+30=114', '114/6=19'] Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 31, 84, 30], Operations: [] Exploring Operation: 31-30=1, Resulting Numbers: [6, 84, 1] Generated Node #0,0: 50:[6, 84, 1] Operation: 31-30=1 Exploring Operation: 84/6=14, Resulting Numbers: [31, 30, 14] Generated Node #0,1: 50:[31, 30, 14] Operation: 84/6=14 Exploring Operation: 84-30=54, Resulting Numbers: [6, 31, 54] Generated Node #0,2: 50:[6, 31, 54] Operation: 84-30=54 Exploring Operation: 84-31=53, Resulting Numbers: [6, 30, 53] Generated Node #0,3: 50:[6, 30, 53] Operation: 84-31=53 Exploring Operation: 31-6=25, Resulting Numbers: [84, 30, 25] Generated Node #0,4: 50:[84, 30, 25] Operation: 31-6=25 Moving to Node #0,3 Current State: 50:[6, 30, 53], Operations: ['84-31=53'] Exploring Operation: 53-6=47, Resulting Numbers: [30, 47] Generated Node #0,3,0: 50:[30, 47] Operation: 53-6=47 Exploring Operation: 30/6=5, Resulting Numbers: [53, 5] Generated Node #0,3,1: 50:[53, 5] Operation: 30/6=5 Exploring Operation: 53-30=23, Resulting Numbers: [6, 23] Generated Node #0,3,2: 50:[6, 23] Operation: 53-30=23 Exploring Operation: 6+30=36, Resulting Numbers: [53, 36] Generated Node #0,3,3: 50:[53, 36] Operation: 6+30=36 Exploring Operation: 30-6=24, Resulting Numbers: [53, 24] Generated Node #0,3,4: 50:[53, 24] Operation: 30-6=24 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[53, 5], Operations: ['84-31=53', '30/6=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,50 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[6, 23], Operations: ['84-31=53', '53-30=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,50 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 50:[53, 24], Operations: ['84-31=53', '30-6=24'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,50 unequal: No Solution Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[30, 47], Operations: ['84-31=53', '53-6=47'] Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,50 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,50 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[53, 36], Operations: ['84-31=53', '6+30=36'] Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,50 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: 50:[6, 31, 54], Operations: ['84-30=54'] Exploring Operation: 31-6=25, Resulting Numbers: [54, 25] Generated Node #0,2,0: 50:[54, 25] Operation: 31-6=25 Exploring Operation: 54/6=9, Resulting Numbers: [31, 9] Generated Node #0,2,1: 50:[31, 9] Operation: 54/6=9 Exploring Operation: 6+31=37, Resulting Numbers: [54, 37] Generated Node #0,2,2: 50:[54, 37] Operation: 6+31=37 Exploring Operation: 54-31=23, Resulting Numbers: [6, 23] Generated Node #0,2,3: 50:[6, 23] Operation: 54-31=23 Exploring Operation: 54-6=48, Resulting Numbers: [31, 48] Generated Node #0,2,4: 50:[31, 48] Operation: 54-6=48 Moving to Node #0,1 Current State: 50:[31, 30, 14], Operations: ['84/6=14'] Exploring Operation: 31+14=45, Resulting Numbers: [30, 45] Generated Node #0,1,0: 50:[30, 45] Operation: 31+14=45 Exploring Operation: 30+14=44, Resulting Numbers: [31, 44] Generated Node #0,1,1: 50:[31, 44] Operation: 30+14=44 Exploring Operation: 31-14=17, Resulting Numbers: [30, 17] Generated Node #0,1,2: 50:[30, 17] Operation: 31-14=17 Exploring Operation: 31-30=1, Resulting Numbers: [14, 1] Generated Node #0,1,3: 50:[14, 1] Operation: 31-30=1 Exploring Operation: 30-14=16, Resulting Numbers: [31, 16] Generated Node #0,1,4: 50:[31, 16] Operation: 30-14=16 Moving to Node #0,0 Current State: 50:[6, 84, 1], Operations: ['31-30=1'] Exploring Operation: 6-1=5, Resulting Numbers: [84, 5] Generated Node #0,0,0: 50:[84, 5] Operation: 6-1=5 Exploring Operation: 84/6=14, Resulting Numbers: [1, 14] Generated Node #0,0,1: 50:[1, 14] Operation: 84/6=14 Exploring Operation: 6*1=6, Resulting Numbers: [84, 6] Generated Node #0,0,2: 50:[84, 6] Operation: 6*1=6 Exploring Operation: 84-6=78, Resulting Numbers: [1, 78] Generated Node #0,0,3: 50:[1, 78] Operation: 84-6=78 Exploring Operation: 84-1=83, Resulting Numbers: [6, 83] Generated Node #0,0,4: 50:[6, 83] Operation: 84-1=83 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[1, 14], Operations: ['31-30=1', '84/6=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[1, 78], Operations: ['31-30=1', '84-6=78'] Exploring Operation: 78/1=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 1+78=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 78-1=77, Resulting Numbers: [77] 77,50 unequal: No Solution Exploring Operation: 1*78=78, Resulting Numbers: [78] 78,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[84, 5], Operations: ['31-30=1', '6-1=5'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,50 unequal: No Solution Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 50:[6, 83], Operations: ['31-30=1', '84-1=83'] Exploring Operation: 6*83=498, Resulting Numbers: [498] 498,50 unequal: No Solution Exploring Operation: 6+83=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[84, 6], Operations: ['31-30=1', '6*1=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,50 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,50 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,50 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: 50:[84, 30, 25], Operations: ['31-6=25'] Exploring Operation: 30-25=5, Resulting Numbers: [84, 5] Generated Node #0,4,0: 50:[84, 5] Operation: 30-25=5 Exploring Operation: 84-25=59, Resulting Numbers: [30, 59] Generated Node #0,4,1: 50:[30, 59] Operation: 84-25=59 Exploring Operation: 30+25=55, Resulting Numbers: [84, 55] Generated Node #0,4,2: 50:[84, 55] Operation: 30+25=55 Exploring Operation: 84-30=54, Resulting Numbers: [25, 54] Generated Node #0,4,3: 50:[25, 54] Operation: 84-30=54 Exploring Operation: 84+30=114, Resulting Numbers: [25, 114] Generated Node #0,4,4: 50:[25, 114] Operation: 84+30=114 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 50:[25, 54], Operations: ['31-6=25', '84-30=54'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 25+54=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 25*54=1350, Resulting Numbers: [1350] 1350,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 50:[30, 59], Operations: ['31-6=25', '84-25=59'] Exploring Operation: 30+59=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 30*59=1770, Resulting Numbers: [1770] 1770,50 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 50:[84, 5], Operations: ['31-6=25', '30-25=5'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 84+5=89, Resulting Numbers: [89] 89,50 unequal: No Solution Exploring Operation: 84*5=420, Resulting Numbers: [420] 420,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 50:[84, 55], Operations: ['31-6=25', '30+25=55'] Exploring Operation: 84+55=139, Resulting Numbers: [139] 139,50 unequal: No Solution Exploring Operation: 84-55=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 84*55=4620, Resulting Numbers: [4620] 4620,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 50:[25, 114], Operations: ['31-6=25', '84+30=114'] Exploring Operation: 25*114=2850, Resulting Numbers: [2850] 2850,50 unequal: No Solution Exploring Operation: 25+114=139, Resulting Numbers: [139] 139,50 unequal: No Solution Exploring Operation: 114-25=89, Resulting Numbers: [89] 89,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 50:[6, 23], Operations: ['84-30=54', '54-31=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,50 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[54, 25], Operations: ['84-30=54', '31-6=25'] Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,50 unequal: No Solution Exploring Operation: 54*25=1350, Resulting Numbers: [1350] 1350,50 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[14, 1], Operations: ['84/6=14', '31-30=1'] Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[31, 9], Operations: ['84-30=54', '54/6=9'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,50 unequal: No Solution Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,50 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[31, 48], Operations: ['84-30=54', '54-6=48'] Exploring Operation: 31*48=1488, Resulting Numbers: [1488] 1488,50 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 31+48=79, Resulting Numbers: [79] 79,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[30, 45], Operations: ['84/6=14', '31+14=45'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,50 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[31, 16], Operations: ['84/6=14', '30-14=16'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[30, 17], Operations: ['84/6=14', '31-14=17'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,50 unequal: No Solution Exploring Operation: 30*17=510, Resulting Numbers: [510] 510,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[31, 44], Operations: ['84/6=14', '30+14=44'] Exploring Operation: 31+44=75, Resulting Numbers: [75] 75,50 unequal: No Solution Exploring Operation: 31*44=1364, Resulting Numbers: [1364] 1364,50 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[54, 37], Operations: ['84-30=54', '6+31=37'] Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,50 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,50 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 74, 4, 27, 13 ]
49
[ "74+27=101", "4*13=52", "101-52=49" ]
Current State: 49:[74, 4, 27, 13], Operations: [] Exploring Operation: 74+27=101, Resulting Numbers: [4, 13, 101] Generated Node #2: [4, 13, 101] from Operation: 74+27=101 Current State: 49:[4, 13, 101], Operations: ['74+27=101'] Exploring Operation: 4*13=52, Resulting Numbers: [101, 52] Generated Node #3: [101, 52] from Operation: 4*13=52 Current State: 49:[101, 52], Operations: ['74+27=101', '4*13=52'] Exploring Operation: 101-52=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[74, 4, 27, 13], Operations: [] Exploring Operation: 74-13=61, Resulting Numbers: [4, 27, 61] Generated Node #0,0: 49:[4, 27, 61] Operation: 74-13=61 Exploring Operation: 74-27=47, Resulting Numbers: [4, 13, 47] Generated Node #0,1: 49:[4, 13, 47] Operation: 74-27=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[4, 13, 47], Operations: ['74-27=47'] Exploring Operation: 13-4=9, Resulting Numbers: [47, 9] Generated Node #0,1,0: 49:[47, 9] Operation: 13-4=9 Exploring Operation: 4*13=52, Resulting Numbers: [47, 52] Generated Node #0,1,1: 49:[47, 52] Operation: 4*13=52 Moving to Node #0,1,0 Current State: 49:[47, 9], Operations: ['74-27=47', '13-4=9'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 47+9=56, Resulting Numbers: [56] 56,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[47, 52], Operations: ['74-27=47', '4*13=52'] Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,49 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 Current State: 49:[4, 27, 61], Operations: ['74-13=61'] Exploring Operation: 27-4=23, Resulting Numbers: [61, 23] Generated Node #0,0,0: 49:[61, 23] Operation: 27-4=23 Exploring Operation: 61-27=34, Resulting Numbers: [4, 34] Generated Node #0,0,1: 49:[4, 34] Operation: 61-27=34 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[4, 34], Operations: ['74-13=61', '61-27=34'] Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,49 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[61, 23], Operations: ['74-13=61', '27-4=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 44, 61, 16, 69 ]
20
[ "44+61=105", "16+69=85", "105-85=20" ]
Current State: 20:[44, 61, 16, 69], Operations: [] Exploring Operation: 44+61=105, Resulting Numbers: [16, 69, 105] Generated Node #2: [16, 69, 105] from Operation: 44+61=105 Current State: 20:[16, 69, 105], Operations: ['44+61=105'] Exploring Operation: 16+69=85, Resulting Numbers: [105, 85] Generated Node #3: [105, 85] from Operation: 16+69=85 Current State: 20:[105, 85], Operations: ['44+61=105', '16+69=85'] Exploring Operation: 105-85=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[44, 61, 16, 69], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [44, 69, 45] Generated Node #0,0: 20:[44, 69, 45] Operation: 61-16=45 Exploring Operation: 44-16=28, Resulting Numbers: [61, 69, 28] Generated Node #0,1: 20:[61, 69, 28] Operation: 44-16=28 Exploring Operation: 69-44=25, Resulting Numbers: [61, 16, 25] Generated Node #0,2: 20:[61, 16, 25] Operation: 69-44=25 Exploring Operation: 61-44=17, Resulting Numbers: [16, 69, 17] Generated Node #0,3: 20:[16, 69, 17] Operation: 61-44=17 Exploring Operation: 69-61=8, Resulting Numbers: [44, 16, 8] Generated Node #0,4: 20:[44, 16, 8] Operation: 69-61=8 Moving to Node #0,4 Current State: 20:[44, 16, 8], Operations: ['69-61=8'] Exploring Operation: 44-16=28, Resulting Numbers: [8, 28] Generated Node #0,4,0: 20:[8, 28] Operation: 44-16=28 Exploring Operation: 44-8=36, Resulting Numbers: [16, 36] Generated Node #0,4,1: 20:[16, 36] Operation: 44-8=36 Exploring Operation: 16-8=8, Resulting Numbers: [44, 8] Generated Node #0,4,2: 20:[44, 8] Operation: 16-8=8 Exploring Operation: 16/8=2, Resulting Numbers: [44, 2] Generated Node #0,4,3: 20:[44, 2] Operation: 16/8=2 Exploring Operation: 16+8=24, Resulting Numbers: [44, 24] Generated Node #0,4,4: 20:[44, 24] Operation: 16+8=24 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 20:[8, 28], Operations: ['69-61=8', '44-16=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[44, 61, 16, 69], Operations: [] Exploring Operation: 69-61=8, Resulting Numbers: [44, 16, 8] Generated Node #0,4: 20:[44, 16, 8] Operation: 69-61=8 Moving to Node #0,4 Current State: 20:[44, 16, 8], Operations: ['69-61=8'] Exploring Operation: 44-16=28, Resulting Numbers: [8, 28] Generated Node #0,4,0: 20:[8, 28] Operation: 44-16=28 Moving to Node #0,4,0 Current State: 20:[8, 28], Operations: ['69-61=8', '44-16=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 23, 22, 89, 29 ]
32
[ "89-23=66", "66/22=3", "29+3=32" ]
Current State: 32:[23, 22, 89, 29], Operations: [] Exploring Operation: 89-23=66, Resulting Numbers: [22, 29, 66] Generated Node #2: [22, 29, 66] from Operation: 89-23=66 Current State: 32:[22, 29, 66], Operations: ['89-23=66'] Exploring Operation: 66/22=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 66/22=3 Current State: 32:[29, 3], Operations: ['89-23=66', '66/22=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[23, 22, 89, 29], Operations: [] Exploring Operation: 89-29=60, Resulting Numbers: [23, 22, 60] Generated Node #0,0: 32:[23, 22, 60] Operation: 89-29=60 Moving to Node #0,0 Current State: 32:[23, 22, 60], Operations: ['89-29=60'] Exploring Operation: 60-23=37, Resulting Numbers: [22, 37] Generated Node #0,0,0: 32:[22, 37] Operation: 60-23=37 Moving to Node #0,0,0 Current State: 32:[22, 37], Operations: ['89-29=60', '60-23=37'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,32 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 31, 36, 25 ]
14
[ "31-29=2", "25*2=50", "50-36=14" ]
Current State: 14:[29, 31, 36, 25], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [36, 25, 2] Generated Node #2: [36, 25, 2] from Operation: 31-29=2 Current State: 14:[36, 25, 2], Operations: ['31-29=2'] Exploring Operation: 25*2=50, Resulting Numbers: [36, 50] Generated Node #3: [36, 50] from Operation: 25*2=50 Current State: 14:[36, 50], Operations: ['31-29=2', '25*2=50'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[29, 31, 36, 25], Operations: [] Exploring Operation: 36-31=5, Resulting Numbers: [29, 25, 5] Generated Node #0,0: 14:[29, 25, 5] Operation: 36-31=5 Exploring Operation: 36-29=7, Resulting Numbers: [31, 25, 7] Generated Node #0,1: 14:[31, 25, 7] Operation: 36-29=7 Exploring Operation: 31-29=2, Resulting Numbers: [36, 25, 2] Generated Node #0,2: 14:[36, 25, 2] Operation: 31-29=2 Moving to Node #0,0 Current State: 14:[29, 25, 5], Operations: ['36-31=5'] Exploring Operation: 29-5=24, Resulting Numbers: [25, 24] Generated Node #0,0,0: 14:[25, 24] Operation: 29-5=24 Exploring Operation: 25/5=5, Resulting Numbers: [29, 5] Generated Node #0,0,1: 14:[29, 5] Operation: 25/5=5 Exploring Operation: 29-25=4, Resulting Numbers: [5, 4] Generated Node #0,0,2: 14:[5, 4] Operation: 29-25=4 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 14:[5, 4], Operations: ['36-31=5', '29-25=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[29, 5], Operations: ['36-31=5', '25/5=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[25, 24], Operations: ['36-31=5', '29-5=24'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,14 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: 14:[31, 25, 7], Operations: ['36-29=7'] Exploring Operation: 31-25=6, Resulting Numbers: [7, 6] Generated Node #0,1,0: 14:[7, 6] Operation: 31-25=6 Exploring Operation: 31-7=24, Resulting Numbers: [25, 24] Generated Node #0,1,1: 14:[25, 24] Operation: 31-7=24 Exploring Operation: 25-7=18, Resulting Numbers: [31, 18] Generated Node #0,1,2: 14:[31, 18] Operation: 25-7=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[7, 6], Operations: ['36-29=7', '31-25=6'] Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[25, 24], Operations: ['36-29=7', '31-7=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,14 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[31, 18], Operations: ['36-29=7', '25-7=18'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,14 unequal: No Solution Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,14 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: 14:[36, 25, 2], Operations: ['31-29=2'] Exploring Operation: 36-2=34, Resulting Numbers: [25, 34] Generated Node #0,2,0: 14:[25, 34] Operation: 36-2=34 Exploring Operation: 36-25=11, Resulting Numbers: [2, 11] Generated Node #0,2,1: 14:[2, 11] Operation: 36-25=11 Exploring Operation: 36/2=18, Resulting Numbers: [25, 18] Generated Node #0,2,2: 14:[25, 18] Operation: 36/2=18 Moving to Node #0,2,1 Current State: 14:[2, 11], Operations: ['31-29=2', '36-25=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[25, 18], Operations: ['31-29=2', '36/2=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,14 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[25, 34], Operations: ['31-29=2', '36-2=34'] Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,14 unequal: No Solution Exploring Operation: 25*34=850, Resulting Numbers: [850] 850,14 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 63, 79, 77, 67 ]
71
[ "79-77=2", "67*2=134", "134-63=71" ]
Current State: 71:[63, 79, 77, 67], Operations: [] Exploring Operation: 79-77=2, Resulting Numbers: [63, 67, 2] Generated Node #2: [63, 67, 2] from Operation: 79-77=2 Current State: 71:[63, 67, 2], Operations: ['79-77=2'] Exploring Operation: 67*2=134, Resulting Numbers: [63, 134] Generated Node #3: [63, 134] from Operation: 67*2=134 Current State: 71:[63, 134], Operations: ['79-77=2', '67*2=134'] Exploring Operation: 134-63=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[63, 79, 77, 67], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [63, 77, 12] Generated Node #0,0: 71:[63, 77, 12] Operation: 79-67=12 Exploring Operation: 77-63=14, Resulting Numbers: [79, 67, 14] Generated Node #0,1: 71:[79, 67, 14] Operation: 77-63=14 Exploring Operation: 79-63=16, Resulting Numbers: [77, 67, 16] Generated Node #0,2: 71:[77, 67, 16] Operation: 79-63=16 Exploring Operation: 63+67=130, Resulting Numbers: [79, 77, 130] Generated Node #0,3: 71:[79, 77, 130] Operation: 63+67=130 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[77, 67, 16], Operations: ['79-63=16'] Exploring Operation: 77-16=61, Resulting Numbers: [67, 61] Generated Node #0,2,0: 71:[67, 61] Operation: 77-16=61 Exploring Operation: 67-16=51, Resulting Numbers: [77, 51] Generated Node #0,2,1: 71:[77, 51] Operation: 67-16=51 Exploring Operation: 67+16=83, Resulting Numbers: [77, 83] Generated Node #0,2,2: 71:[77, 83] Operation: 67+16=83 Exploring Operation: 77+16=93, Resulting Numbers: [67, 93] Generated Node #0,2,3: 71:[67, 93] Operation: 77+16=93 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[67, 61], Operations: ['79-63=16', '77-16=61'] Exploring Operation: 67+61=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 67*61=4087, Resulting Numbers: [4087] 4087,71 unequal: No Solution Exploring Operation: 67-61=6, Resulting Numbers: [6] 6,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[77, 83], Operations: ['79-63=16', '67+16=83'] Exploring Operation: 83-77=6, Resulting Numbers: [6] 6,71 unequal: No Solution Exploring Operation: 77+83=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 77*83=6391, Resulting Numbers: [6391] 6391,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[77, 51], Operations: ['79-63=16', '67-16=51'] Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,71 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[67, 93], Operations: ['79-63=16', '77+16=93'] Exploring Operation: 93-67=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 67*93=6231, Resulting Numbers: [6231] 6231,71 unequal: No Solution Exploring Operation: 67+93=160, Resulting Numbers: [160] 160,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[79, 67, 14], Operations: ['77-63=14'] Exploring Operation: 79+14=93, Resulting Numbers: [67, 93] Generated Node #0,1,0: 71:[67, 93] Operation: 79+14=93 Exploring Operation: 67+14=81, Resulting Numbers: [79, 81] Generated Node #0,1,1: 71:[79, 81] Operation: 67+14=81 Exploring Operation: 67-14=53, Resulting Numbers: [79, 53] Generated Node #0,1,2: 71:[79, 53] Operation: 67-14=53 Exploring Operation: 79-14=65, Resulting Numbers: [67, 65] Generated Node #0,1,3: 71:[67, 65] Operation: 79-14=65 Moving to Node #0,1,3 Current State: 71:[67, 65], Operations: ['77-63=14', '79-14=65'] Exploring Operation: 67+65=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 67-65=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 67*65=4355, Resulting Numbers: [4355] 4355,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[79, 81], Operations: ['77-63=14', '67+14=81'] Exploring Operation: 81-79=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 79*81=6399, Resulting Numbers: [6399] 6399,71 unequal: No Solution Exploring Operation: 79+81=160, Resulting Numbers: [160] 160,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[79, 53], Operations: ['77-63=14', '67-14=53'] Exploring Operation: 79*53=4187, Resulting Numbers: [4187] 4187,71 unequal: No Solution Exploring Operation: 79+53=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[67, 93], Operations: ['77-63=14', '79+14=93'] Exploring Operation: 67+93=160, Resulting Numbers: [160] 160,71 unequal: No Solution Exploring Operation: 93-67=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 67*93=6231, Resulting Numbers: [6231] 6231,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[63, 77, 12], Operations: ['79-67=12'] Exploring Operation: 77-12=65, Resulting Numbers: [63, 65] Generated Node #0,0,0: 71:[63, 65] Operation: 77-12=65 Exploring Operation: 63-12=51, Resulting Numbers: [77, 51] Generated Node #0,0,1: 71:[77, 51] Operation: 63-12=51 Exploring Operation: 63+12=75, Resulting Numbers: [77, 75] Generated Node #0,0,2: 71:[77, 75] Operation: 63+12=75 Exploring Operation: 77+12=89, Resulting Numbers: [63, 89] Generated Node #0,0,3: 71:[63, 89] Operation: 77+12=89 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[77, 75], Operations: ['79-67=12', '63+12=75'] Exploring Operation: 77-75=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 77*75=5775, Resulting Numbers: [5775] 5775,71 unequal: No Solution Exploring Operation: 77+75=152, Resulting Numbers: [152] 152,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[63, 65], Operations: ['79-67=12', '77-12=65'] Exploring Operation: 63+65=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 63*65=4095, Resulting Numbers: [4095] 4095,71 unequal: No Solution Exploring Operation: 65-63=2, Resulting Numbers: [2] 2,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[77, 51], Operations: ['79-67=12', '63-12=51'] Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,71 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[63, 89], Operations: ['79-67=12', '77+12=89'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 63*89=5607, Resulting Numbers: [5607] 5607,71 unequal: No Solution Exploring Operation: 63+89=152, Resulting Numbers: [152] 152,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[79, 77, 130], Operations: ['63+67=130'] Exploring Operation: 79-77=2, Resulting Numbers: [130, 2] Generated Node #0,3,0: 71:[130, 2] Operation: 79-77=2 Exploring Operation: 79+77=156, Resulting Numbers: [130, 156] Generated Node #0,3,1: 71:[130, 156] Operation: 79+77=156 Exploring Operation: 130-77=53, Resulting Numbers: [79, 53] Generated Node #0,3,2: 71:[79, 53] Operation: 130-77=53 Exploring Operation: 130-79=51, Resulting Numbers: [77, 51] Generated Node #0,3,3: 71:[77, 51] Operation: 130-79=51 Moving to Node #0,3,2 Current State: 71:[79, 53], Operations: ['63+67=130', '130-77=53'] Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 79*53=4187, Resulting Numbers: [4187] 4187,71 unequal: No Solution Exploring Operation: 79+53=132, Resulting Numbers: [132] 132,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[77, 51], Operations: ['63+67=130', '130-79=51'] Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,71 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[130, 2], Operations: ['63+67=130', '79-77=2'] Exploring Operation: 130-2=128, Resulting Numbers: [128] 128,71 unequal: No Solution Exploring Operation: 130*2=260, Resulting Numbers: [260] 260,71 unequal: No Solution Exploring Operation: 130+2=132, Resulting Numbers: [132] 132,71 unequal: No Solution Exploring Operation: 130/2=65, Resulting Numbers: [65] 65,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[130, 156], Operations: ['63+67=130', '79+77=156'] Exploring Operation: 156-130=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 130*156=20280, Resulting Numbers: [20280] 20280,71 unequal: No Solution Exploring Operation: 130+156=286, Resulting Numbers: [286] 286,71 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
[ 31, 48, 30, 12 ]
62
[ "48+12=60", "31*60=1860", "1860/30=62" ]
Current State: 62:[31, 48, 30, 12], Operations: [] Exploring Operation: 48+12=60, Resulting Numbers: [31, 30, 60] Generated Node #2: [31, 30, 60] from Operation: 48+12=60 Current State: 62:[31, 30, 60], Operations: ['48+12=60'] Exploring Operation: 31*60=1860, Resulting Numbers: [30, 1860] Generated Node #3: [30, 1860] from Operation: 31*60=1860 Current State: 62:[30, 1860], Operations: ['48+12=60', '31*60=1860'] Exploring Operation: 1860/30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[31, 48, 30, 12], Operations: [] Exploring Operation: 48/12=4, Resulting Numbers: [31, 30, 4] Generated Node #0,0: 62:[31, 30, 4] Operation: 48/12=4 Exploring Operation: 48+12=60, Resulting Numbers: [31, 30, 60] Generated Node #0,1: 62:[31, 30, 60] Operation: 48+12=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[31, 30, 4], Operations: ['48/12=4'] Exploring Operation: 31-30=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 62:[4, 1] Operation: 31-30=1 Exploring Operation: 31+30=61, Resulting Numbers: [4, 61] Generated Node #0,0,1: 62:[4, 61] Operation: 31+30=61 Moving to Node #0,0,0 Current State: 62:[4, 1], Operations: ['48/12=4', '31-30=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[4, 61], Operations: ['48/12=4', '31+30=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,62 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[31, 30, 60], Operations: ['48+12=60'] Exploring Operation: 60-30=30, Resulting Numbers: [31, 30] Generated Node #0,1,0: 62:[31, 30] Operation: 60-30=30 Exploring Operation: 60/30=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 62:[31, 2] Operation: 60/30=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[31, 2], Operations: ['48+12=60', '60/30=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[31, 48, 30, 12], Operations: [] Exploring Operation: 48+12=60, Resulting Numbers: [31, 30, 60] Generated Node #0,1: 62:[31, 30, 60] Operation: 48+12=60 Moving to Node #0,1 Current State: 62:[31, 30, 60], Operations: ['48+12=60'] Exploring Operation: 60/30=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 62:[31, 2] Operation: 60/30=2 Moving to Node #0,1,1 Current State: 62:[31, 2], Operations: ['48+12=60', '60/30=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 38, 7, 22, 13 ]
31
[ "38+22=60", "7*13=91", "91-60=31" ]
Current State: 31:[38, 7, 22, 13], Operations: [] Exploring Operation: 38+22=60, Resulting Numbers: [7, 13, 60] Generated Node #2: [7, 13, 60] from Operation: 38+22=60 Current State: 31:[7, 13, 60], Operations: ['38+22=60'] Exploring Operation: 7*13=91, Resulting Numbers: [60, 91] Generated Node #3: [60, 91] from Operation: 7*13=91 Current State: 31:[60, 91], Operations: ['38+22=60', '7*13=91'] Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[38, 7, 22, 13], Operations: [] Exploring Operation: 38-7=31, Resulting Numbers: [22, 13, 31] Generated Node #0,0: 31:[22, 13, 31] Operation: 38-7=31 Moving to Node #0,0 Current State: 31:[22, 13, 31], Operations: ['38-7=31'] Exploring Operation: 22+13=35, Resulting Numbers: [31, 35] Generated Node #0,0,0: 31:[31, 35] Operation: 22+13=35 Moving to Node #0,0,0 Current State: 31:[31, 35], Operations: ['38-7=31', '22+13=35'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,31 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 26, 16, 36 ]
72
[ "6+26=32", "32/16=2", "36*2=72" ]
Current State: 72:[6, 26, 16, 36], Operations: [] Exploring Operation: 6+26=32, Resulting Numbers: [16, 36, 32] Generated Node #2: [16, 36, 32] from Operation: 6+26=32 Current State: 72:[16, 36, 32], Operations: ['6+26=32'] Exploring Operation: 32/16=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 32/16=2 Current State: 72:[36, 2], Operations: ['6+26=32', '32/16=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[6, 26, 16, 36], Operations: [] Exploring Operation: 26-16=10, Resulting Numbers: [6, 36, 10] Generated Node #0,0: 72:[6, 36, 10] Operation: 26-16=10 Exploring Operation: 16-6=10, Resulting Numbers: [26, 36, 10] Generated Node #0,1: 72:[26, 36, 10] Operation: 16-6=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[6, 36, 10], Operations: ['26-16=10'] Exploring Operation: 36/6=6, Resulting Numbers: [10, 6] Generated Node #0,0,0: 72:[10, 6] Operation: 36/6=6 Exploring Operation: 10-6=4, Resulting Numbers: [36, 4] Generated Node #0,0,1: 72:[36, 4] Operation: 10-6=4 Moving to Node #0,0,1 Current State: 72:[36, 4], Operations: ['26-16=10', '10-6=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[10, 6], Operations: ['26-16=10', '36/6=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[26, 36, 10], Operations: ['16-6=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36, 36] Generated Node #0,1,0: 72:[36, 36] Operation: 26+10=36 Exploring Operation: 36-26=10, Resulting Numbers: [10, 10] Generated Node #0,1,1: 72:[10, 10] Operation: 36-26=10 Moving to Node #0,1,0 Current State: 72:[36, 36], Operations: ['16-6=10', '26+10=36'] Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[6, 26, 16, 36], Operations: [] Exploring Operation: 16-6=10, Resulting Numbers: [26, 36, 10] Generated Node #0,1: 72:[26, 36, 10] Operation: 16-6=10 Moving to Node #0,1 Current State: 72:[26, 36, 10], Operations: ['16-6=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36, 36] Generated Node #0,1,0: 72:[36, 36] Operation: 26+10=36 Moving to Node #0,1,0 Current State: 72:[36, 36], Operations: ['16-6=10', '26+10=36'] Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 32, 62, 38, 86 ]
34
[ "38+86=124", "124/62=2", "32+2=34" ]
Current State: 34:[32, 62, 38, 86], Operations: [] Exploring Operation: 38+86=124, Resulting Numbers: [32, 62, 124] Generated Node #2: [32, 62, 124] from Operation: 38+86=124 Current State: 34:[32, 62, 124], Operations: ['38+86=124'] Exploring Operation: 124/62=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 124/62=2 Current State: 34:[32, 2], Operations: ['38+86=124', '124/62=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[32, 62, 38, 86], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [32, 38, 24] Generated Node #0,0: 34:[32, 38, 24] Operation: 86-62=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[32, 38, 24], Operations: ['86-62=24'] Exploring Operation: 38-24=14, Resulting Numbers: [32, 14] Generated Node #0,0,0: 34:[32, 14] Operation: 38-24=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[32, 14], Operations: ['86-62=24', '38-24=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 50, 57, 82, 91 ]
63
[ "57-50=7", "91-82=9", "7*9=63" ]
Current State: 63:[50, 57, 82, 91], Operations: [] Exploring Operation: 57-50=7, Resulting Numbers: [82, 91, 7] Generated Node #2: [82, 91, 7] from Operation: 57-50=7 Current State: 63:[82, 91, 7], Operations: ['57-50=7'] Exploring Operation: 91-82=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 91-82=9 Current State: 63:[7, 9], Operations: ['57-50=7', '91-82=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[50, 57, 82, 91], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [57, 82, 41] Generated Node #0,0: 63:[57, 82, 41] Operation: 91-50=41 Exploring Operation: 91-82=9, Resulting Numbers: [50, 57, 9] Generated Node #0,1: 63:[50, 57, 9] Operation: 91-82=9 Exploring Operation: 82-50=32, Resulting Numbers: [57, 91, 32] Generated Node #0,2: 63:[57, 91, 32] Operation: 82-50=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[50, 57, 9], Operations: ['91-82=9'] Exploring Operation: 57+9=66, Resulting Numbers: [50, 66] Generated Node #0,1,0: 63:[50, 66] Operation: 57+9=66 Exploring Operation: 50+9=59, Resulting Numbers: [57, 59] Generated Node #0,1,1: 63:[57, 59] Operation: 50+9=59 Exploring Operation: 57-50=7, Resulting Numbers: [9, 7] Generated Node #0,1,2: 63:[9, 7] Operation: 57-50=7 Moving to Node #0,1,2 Current State: 63:[9, 7], Operations: ['91-82=9', '57-50=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[50, 57, 82, 91], Operations: [] Exploring Operation: 91-82=9, Resulting Numbers: [50, 57, 9] Generated Node #0,1: 63:[50, 57, 9] Operation: 91-82=9 Moving to Node #0,1 Current State: 63:[50, 57, 9], Operations: ['91-82=9'] Exploring Operation: 57-50=7, Resulting Numbers: [9, 7] Generated Node #0,1,2: 63:[9, 7] Operation: 57-50=7 Moving to Node #0,1,2 Current State: 63:[9, 7], Operations: ['91-82=9', '57-50=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 80, 51, 58, 53 ]
35
[ "58-53=5", "80/5=16", "51-16=35" ]
Current State: 35:[80, 51, 58, 53], Operations: [] Exploring Operation: 58-53=5, Resulting Numbers: [80, 51, 5] Generated Node #2: [80, 51, 5] from Operation: 58-53=5 Current State: 35:[80, 51, 5], Operations: ['58-53=5'] Exploring Operation: 80/5=16, Resulting Numbers: [51, 16] Generated Node #3: [51, 16] from Operation: 80/5=16 Current State: 35:[51, 16], Operations: ['58-53=5', '80/5=16'] Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[80, 51, 58, 53], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [58, 53, 29] Generated Node #0,0: 35:[58, 53, 29] Operation: 80-51=29 Moving to Node #0,0 Current State: 35:[58, 53, 29], Operations: ['80-51=29'] Exploring Operation: 58-53=5, Resulting Numbers: [29, 5] Generated Node #0,0,0: 35:[29, 5] Operation: 58-53=5 Moving to Node #0,0,0 Current State: 35:[29, 5], Operations: ['80-51=29', '58-53=5'] Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,35 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 62, 91, 65 ]
73
[ "65-62=3", "6*3=18", "91-18=73" ]
Current State: 73:[6, 62, 91, 65], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [6, 91, 3] Generated Node #2: [6, 91, 3] from Operation: 65-62=3 Current State: 73:[6, 91, 3], Operations: ['65-62=3'] Exploring Operation: 6*3=18, Resulting Numbers: [91, 18] Generated Node #3: [91, 18] from Operation: 6*3=18 Current State: 73:[91, 18], Operations: ['65-62=3', '6*3=18'] Exploring Operation: 91-18=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[6, 62, 91, 65], Operations: [] Exploring Operation: 6+65=71, Resulting Numbers: [62, 91, 71] Generated Node #0,0: 73:[62, 91, 71] Operation: 6+65=71 Exploring Operation: 62-6=56, Resulting Numbers: [91, 65, 56] Generated Node #0,1: 73:[91, 65, 56] Operation: 62-6=56 Exploring Operation: 91-6=85, Resulting Numbers: [62, 65, 85] Generated Node #0,2: 73:[62, 65, 85] Operation: 91-6=85 Exploring Operation: 6+62=68, Resulting Numbers: [91, 65, 68] Generated Node #0,3: 73:[91, 65, 68] Operation: 6+62=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[62, 91, 71], Operations: ['6+65=71'] Exploring Operation: 91-62=29, Resulting Numbers: [71, 29] Generated Node #0,0,0: 73:[71, 29] Operation: 91-62=29 Exploring Operation: 91-71=20, Resulting Numbers: [62, 20] Generated Node #0,0,1: 73:[62, 20] Operation: 91-71=20 Exploring Operation: 62+71=133, Resulting Numbers: [91, 133] Generated Node #0,0,2: 73:[91, 133] Operation: 62+71=133 Exploring Operation: 62+91=153, Resulting Numbers: [71, 153] Generated Node #0,0,3: 73:[71, 153] Operation: 62+91=153 Moving to Node #0,0,0 Current State: 73:[71, 29], Operations: ['6+65=71', '91-62=29'] Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,73 unequal: No Solution Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[62, 20], Operations: ['6+65=71', '91-71=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,73 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[91, 133], Operations: ['6+65=71', '62+71=133'] Exploring Operation: 91+133=224, Resulting Numbers: [224] 224,73 unequal: No Solution Exploring Operation: 133-91=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 91*133=12103, Resulting Numbers: [12103] 12103,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[71, 153], Operations: ['6+65=71', '62+91=153'] Exploring Operation: 71*153=10863, Resulting Numbers: [10863] 10863,73 unequal: No Solution Exploring Operation: 71+153=224, Resulting Numbers: [224] 224,73 unequal: No Solution Exploring Operation: 153-71=82, Resulting Numbers: [82] 82,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[62, 65, 85], Operations: ['91-6=85'] Exploring Operation: 65-62=3, Resulting Numbers: [85, 3] Generated Node #0,2,0: 73:[85, 3] Operation: 65-62=3 Exploring Operation: 85-65=20, Resulting Numbers: [62, 20] Generated Node #0,2,1: 73:[62, 20] Operation: 85-65=20 Exploring Operation: 62+65=127, Resulting Numbers: [85, 127] Generated Node #0,2,2: 73:[85, 127] Operation: 62+65=127 Exploring Operation: 85-62=23, Resulting Numbers: [65, 23] Generated Node #0,2,3: 73:[65, 23] Operation: 85-62=23 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 73:[65, 23], Operations: ['91-6=85', '85-62=23'] Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[62, 20], Operations: ['91-6=85', '85-65=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,73 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[85, 127], Operations: ['91-6=85', '62+65=127'] Exploring Operation: 85*127=10795, Resulting Numbers: [10795] 10795,73 unequal: No Solution Exploring Operation: 127-85=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 85+127=212, Resulting Numbers: [212] 212,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[85, 3], Operations: ['91-6=85', '65-62=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[91, 65, 68], Operations: ['6+62=68'] Exploring Operation: 91-65=26, Resulting Numbers: [68, 26] Generated Node #0,3,0: 73:[68, 26] Operation: 91-65=26 Exploring Operation: 91+65=156, Resulting Numbers: [68, 156] Generated Node #0,3,1: 73:[68, 156] Operation: 91+65=156 Exploring Operation: 91-68=23, Resulting Numbers: [65, 23] Generated Node #0,3,2: 73:[65, 23] Operation: 91-68=23 Exploring Operation: 65+68=133, Resulting Numbers: [91, 133] Generated Node #0,3,3: 73:[91, 133] Operation: 65+68=133 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 73:[68, 26], Operations: ['6+62=68', '91-65=26'] Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,73 unequal: No Solution Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,73 unequal: No Solution Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 73:[65, 23], Operations: ['6+62=68', '91-68=23'] Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,73 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[91, 133], Operations: ['6+62=68', '65+68=133'] Exploring Operation: 91*133=12103, Resulting Numbers: [12103] 12103,73 unequal: No Solution Exploring Operation: 133-91=42, Resulting Numbers: [42] 42,73 unequal: No Solution Exploring Operation: 91+133=224, Resulting Numbers: [224] 224,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 73:[68, 156], Operations: ['6+62=68', '91+65=156'] Exploring Operation: 156-68=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 68*156=10608, Resulting Numbers: [10608] 10608,73 unequal: No Solution Exploring Operation: 68+156=224, Resulting Numbers: [224] 224,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 73:[91, 65, 56], Operations: ['62-6=56'] Exploring Operation: 65+56=121, Resulting Numbers: [91, 121] Generated Node #0,1,0: 73:[91, 121] Operation: 65+56=121 Exploring Operation: 91-65=26, Resulting Numbers: [56, 26] Generated Node #0,1,1: 73:[56, 26] Operation: 91-65=26 Exploring Operation: 91+56=147, Resulting Numbers: [65, 147] Generated Node #0,1,2: 73:[65, 147] Operation: 91+56=147 Exploring Operation: 91-56=35, Resulting Numbers: [65, 35] Generated Node #0,1,3: 73:[65, 35] Operation: 91-56=35 Moving to Node #0,1,3 Current State: 73:[65, 35], Operations: ['62-6=56', '91-56=35'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,73 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[56, 26], Operations: ['62-6=56', '91-65=26'] Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[91, 121], Operations: ['62-6=56', '65+56=121'] Exploring Operation: 121-91=30, Resulting Numbers: [30] 30,73 unequal: No Solution Exploring Operation: 91+121=212, Resulting Numbers: [212] 212,73 unequal: No Solution Exploring Operation: 91*121=11011, Resulting Numbers: [11011] 11011,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[65, 147], Operations: ['62-6=56', '91+56=147'] Exploring Operation: 65*147=9555, Resulting Numbers: [9555] 9555,73 unequal: No Solution Exploring Operation: 147-65=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 65+147=212, Resulting Numbers: [212] 212,73 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
[ 78, 76, 67, 75 ]
27
[ "78-75=3", "76-67=9", "3*9=27" ]
Current State: 27:[78, 76, 67, 75], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [76, 67, 3] Generated Node #2: [76, 67, 3] from Operation: 78-75=3 Current State: 27:[76, 67, 3], Operations: ['78-75=3'] Exploring Operation: 76-67=9, Resulting Numbers: [3, 9] Generated Node #3: [3, 9] from Operation: 76-67=9 Current State: 27:[3, 9], Operations: ['78-75=3', '76-67=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[78, 76, 67, 75], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [67, 75, 2] Generated Node #0,0: 27:[67, 75, 2] Operation: 78-76=2 Exploring Operation: 78-75=3, Resulting Numbers: [76, 67, 3] Generated Node #0,1: 27:[76, 67, 3] Operation: 78-75=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[67, 75, 2], Operations: ['78-76=2'] Exploring Operation: 75-67=8, Resulting Numbers: [2, 8] Generated Node #0,0,0: 27:[2, 8] Operation: 75-67=8 Exploring Operation: 67-2=65, Resulting Numbers: [75, 65] Generated Node #0,0,1: 27:[75, 65] Operation: 67-2=65 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[2, 8], Operations: ['78-76=2', '75-67=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,27 unequal: No Solution No 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: 27:[75, 65], Operations: ['78-76=2', '67-2=65'] Exploring Operation: 75+65=140, Resulting Numbers: [140] 140,27 unequal: No Solution Exploring Operation: 75-65=10, Resulting Numbers: [10] 10,27 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: 27:[76, 67, 3], Operations: ['78-75=3'] Exploring Operation: 76-3=73, Resulting Numbers: [67, 73] Generated Node #0,1,0: 27:[67, 73] Operation: 76-3=73 Exploring Operation: 76-67=9, Resulting Numbers: [3, 9] Generated Node #0,1,1: 27:[3, 9] Operation: 76-67=9 Moving to Node #0,1,1 Current State: 27:[3, 9], Operations: ['78-75=3', '76-67=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[78, 76, 67, 75], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [76, 67, 3] Generated Node #0,1: 27:[76, 67, 3] Operation: 78-75=3 Moving to Node #0,1 Current State: 27:[76, 67, 3], Operations: ['78-75=3'] Exploring Operation: 76-67=9, Resulting Numbers: [3, 9] Generated Node #0,1,1: 27:[3, 9] Operation: 76-67=9 Moving to Node #0,1,1 Current State: 27:[3, 9], Operations: ['78-75=3', '76-67=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 28, 26, 73, 52 ]
99
[ "28-26=2", "52/2=26", "73+26=99" ]
Current State: 99:[28, 26, 73, 52], Operations: [] Exploring Operation: 28-26=2, Resulting Numbers: [73, 52, 2] Generated Node #2: [73, 52, 2] from Operation: 28-26=2 Current State: 99:[73, 52, 2], Operations: ['28-26=2'] Exploring Operation: 52/2=26, Resulting Numbers: [73, 26] Generated Node #3: [73, 26] from Operation: 52/2=26 Current State: 99:[73, 26], Operations: ['28-26=2', '52/2=26'] Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[28, 26, 73, 52], Operations: [] Exploring Operation: 73-52=21, Resulting Numbers: [28, 26, 21] Generated Node #0,0: 99:[28, 26, 21] Operation: 73-52=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[28, 26, 21], Operations: ['73-52=21'] Exploring Operation: 26-21=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 99:[28, 5] Operation: 26-21=5 Moving to Node #0,0,0 Current State: 99:[28, 5], Operations: ['73-52=21', '26-21=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 90, 60, 27, 99 ]
67
[ "90+99=189", "189/27=7", "60+7=67" ]
Current State: 67:[90, 60, 27, 99], Operations: [] Exploring Operation: 90+99=189, Resulting Numbers: [60, 27, 189] Generated Node #2: [60, 27, 189] from Operation: 90+99=189 Current State: 67:[60, 27, 189], Operations: ['90+99=189'] Exploring Operation: 189/27=7, Resulting Numbers: [60, 7] Generated Node #3: [60, 7] from Operation: 189/27=7 Current State: 67:[60, 7], Operations: ['90+99=189', '189/27=7'] Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[90, 60, 27, 99], Operations: [] Exploring Operation: 60+27=87, Resulting Numbers: [90, 99, 87] Generated Node #0,0: 67:[90, 99, 87] Operation: 60+27=87 Exploring Operation: 99-27=72, Resulting Numbers: [90, 60, 72] Generated Node #0,1: 67:[90, 60, 72] Operation: 99-27=72 Exploring Operation: 90-27=63, Resulting Numbers: [60, 99, 63] Generated Node #0,2: 67:[60, 99, 63] Operation: 90-27=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[90, 60, 72], Operations: ['99-27=72'] Exploring Operation: 72-60=12, Resulting Numbers: [90, 12] Generated Node #0,1,0: 67:[90, 12] Operation: 72-60=12 Exploring Operation: 90-60=30, Resulting Numbers: [72, 30] Generated Node #0,1,1: 67:[72, 30] Operation: 90-60=30 Exploring Operation: 90-72=18, Resulting Numbers: [60, 18] Generated Node #0,1,2: 67:[60, 18] Operation: 90-72=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[72, 30], Operations: ['99-27=72', '90-60=30'] Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 72*30=2160, Resulting Numbers: [2160] 2160,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[60, 18], Operations: ['99-27=72', '90-72=18'] Exploring Operation: 60+18=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,67 unequal: No Solution Exploring Operation: 60*18=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[90, 12], Operations: ['99-27=72', '72-60=12'] Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[60, 99, 63], Operations: ['90-27=63'] Exploring Operation: 99-60=39, Resulting Numbers: [63, 39] Generated Node #0,2,0: 67:[63, 39] Operation: 99-60=39 Exploring Operation: 60+63=123, Resulting Numbers: [99, 123] Generated Node #0,2,1: 67:[99, 123] Operation: 60+63=123 Exploring Operation: 99-63=36, Resulting Numbers: [60, 36] Generated Node #0,2,2: 67:[60, 36] Operation: 99-63=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[63, 39], Operations: ['90-27=63', '99-60=39'] Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 63*39=2457, Resulting Numbers: [2457] 2457,67 unequal: No Solution Exploring Operation: 63+39=102, Resulting Numbers: [102] 102,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[60, 36], Operations: ['90-27=63', '99-63=36'] Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 60*36=2160, Resulting Numbers: [2160] 2160,67 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[99, 123], Operations: ['90-27=63', '60+63=123'] Exploring Operation: 99+123=222, Resulting Numbers: [222] 222,67 unequal: No Solution Exploring Operation: 123-99=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 99*123=12177, Resulting Numbers: [12177] 12177,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[90, 99, 87], Operations: ['60+27=87'] Exploring Operation: 99-90=9, Resulting Numbers: [87, 9] Generated Node #0,0,0: 67:[87, 9] Operation: 99-90=9 Exploring Operation: 90-87=3, Resulting Numbers: [99, 3] Generated Node #0,0,1: 67:[99, 3] Operation: 90-87=3 Exploring Operation: 99-87=12, Resulting Numbers: [90, 12] Generated Node #0,0,2: 67:[90, 12] Operation: 99-87=12 Moving to Node #0,0,0 Current State: 67:[87, 9], Operations: ['60+27=87', '99-90=9'] Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,67 unequal: No Solution Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[90, 12], Operations: ['60+27=87', '99-87=12'] Exploring Operation: 90-12=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 90+12=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 90*12=1080, Resulting Numbers: [1080] 1080,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[99, 3], Operations: ['60+27=87', '90-87=3'] Exploring Operation: 99-3=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 99+3=102, Resulting Numbers: [102] 102,67 unequal: No Solution Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic