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
[ 80, 7, 19, 10 ]
78
[ "80+7=87", "19-10=9", "87-9=78" ]
Current State: 78:[80, 7, 19, 10], Operations: [] Exploring Operation: 80+7=87, Resulting Numbers: [19, 10, 87] Generated Node #2: [19, 10, 87] from Operation: 80+7=87 Current State: 78:[19, 10, 87], Operations: ['80+7=87'] Exploring Operation: 19-10=9, Resulting Numbers: [87, 9] Generated Node #3: [87, 9] from Operation: 19-10=9 Current State: 78:[87, 9], Operations: ['80+7=87', '19-10=9'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[80, 7, 19, 10], Operations: [] Exploring Operation: 19-7=12, Resulting Numbers: [80, 10, 12] Generated Node #0,0: 78:[80, 10, 12] Operation: 19-7=12 Exploring Operation: 7+19=26, Resulting Numbers: [80, 10, 26] Generated Node #0,1: 78:[80, 10, 26] Operation: 7+19=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[80, 10, 26], Operations: ['7+19=26'] Exploring Operation: 10+26=36, Resulting Numbers: [80, 36] Generated Node #0,1,0: 78:[80, 36] Operation: 10+26=36 Exploring Operation: 80/10=8, Resulting Numbers: [26, 8] Generated Node #0,1,1: 78:[26, 8] Operation: 80/10=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[26, 8], Operations: ['7+19=26', '80/10=8'] Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,78 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,78 unequal: No Solution No 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: 78:[80, 36], Operations: ['7+19=26', '10+26=36'] Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,78 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,78 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: 78:[80, 10, 12], Operations: ['19-7=12'] Exploring Operation: 12-10=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 12-10=2 Exploring Operation: 80/10=8, Resulting Numbers: [12, 8] Generated Node #0,0,1: 78:[12, 8] Operation: 80/10=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['19-7=12', '12-10=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,78 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[80, 7, 19, 10], Operations: [] Exploring Operation: 19-7=12, Resulting Numbers: [80, 10, 12] Generated Node #0,0: 78:[80, 10, 12] Operation: 19-7=12 Moving to Node #0,0 Current State: 78:[80, 10, 12], Operations: ['19-7=12'] Exploring Operation: 12-10=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 12-10=2 Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['19-7=12', '12-10=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 89, 4, 81, 32 ]
44
[ "89+4=93", "81-32=49", "93-49=44" ]
Current State: 44:[89, 4, 81, 32], Operations: [] Exploring Operation: 89+4=93, Resulting Numbers: [81, 32, 93] Generated Node #2: [81, 32, 93] from Operation: 89+4=93 Current State: 44:[81, 32, 93], Operations: ['89+4=93'] Exploring Operation: 81-32=49, Resulting Numbers: [93, 49] Generated Node #3: [93, 49] from Operation: 81-32=49 Current State: 44:[93, 49], Operations: ['89+4=93', '81-32=49'] Exploring Operation: 93-49=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[89, 4, 81, 32], Operations: [] Exploring Operation: 89-81=8, Resulting Numbers: [4, 32, 8] Generated Node #0,0: 44:[4, 32, 8] Operation: 89-81=8 Moving to Node #0,0 Current State: 44:[4, 32, 8], Operations: ['89-81=8'] Exploring Operation: 32/8=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 44:[4, 4] Operation: 32/8=4 Moving to Node #0,0,0 Current State: 44:[4, 4], Operations: ['89-81=8', '32/8=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 33, 5, 11, 12 ]
24
[ "33/11=3", "5-3=2", "12*2=24" ]
Current State: 24:[33, 5, 11, 12], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [5, 12, 3] Generated Node #2: [5, 12, 3] from Operation: 33/11=3 Current State: 24:[5, 12, 3], Operations: ['33/11=3'] Exploring Operation: 5-3=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 5-3=2 Current State: 24:[12, 2], Operations: ['33/11=3', '5-3=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[33, 5, 11, 12], Operations: [] Exploring Operation: 33-11=22, Resulting Numbers: [5, 12, 22] Generated Node #0,0: 24:[5, 12, 22] Operation: 33-11=22 Exploring Operation: 33/11=3, Resulting Numbers: [5, 12, 3] Generated Node #0,1: 24:[5, 12, 3] Operation: 33/11=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[5, 12, 3], Operations: ['33/11=3'] Exploring Operation: 5+3=8, Resulting Numbers: [12, 8] Generated Node #0,1,0: 24:[12, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 24:[12, 2] Operation: 5-3=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[12, 8], Operations: ['33/11=3', '5+3=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[12, 2], Operations: ['33/11=3', '5-3=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[33, 5, 11, 12], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [5, 12, 3] Generated Node #0,1: 24:[5, 12, 3] Operation: 33/11=3 Moving to Node #0,1 Current State: 24:[5, 12, 3], Operations: ['33/11=3'] Exploring Operation: 5-3=2, Resulting Numbers: [12, 2] Generated Node #0,1,1: 24:[12, 2] Operation: 5-3=2 Moving to Node #0,1,1 Current State: 24:[12, 2], Operations: ['33/11=3', '5-3=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 60, 11, 96, 47 ]
94
[ "60-11=49", "96+47=143", "143-49=94" ]
Current State: 94:[60, 11, 96, 47], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [96, 47, 49] Generated Node #2: [96, 47, 49] from Operation: 60-11=49 Current State: 94:[96, 47, 49], Operations: ['60-11=49'] Exploring Operation: 96+47=143, Resulting Numbers: [49, 143] Generated Node #3: [49, 143] from Operation: 96+47=143 Current State: 94:[49, 143], Operations: ['60-11=49', '96+47=143'] Exploring Operation: 143-49=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[60, 11, 96, 47], Operations: [] Exploring Operation: 60+47=107, Resulting Numbers: [11, 96, 107] Generated Node #0,0: 94:[11, 96, 107] Operation: 60+47=107 Exploring Operation: 60-47=13, Resulting Numbers: [11, 96, 13] Generated Node #0,1: 94:[11, 96, 13] Operation: 60-47=13 Exploring Operation: 96-11=85, Resulting Numbers: [60, 47, 85] Generated Node #0,2: 94:[60, 47, 85] Operation: 96-11=85 Exploring Operation: 60-11=49, Resulting Numbers: [96, 47, 49] Generated Node #0,3: 94:[96, 47, 49] Operation: 60-11=49 Exploring Operation: 96-60=36, Resulting Numbers: [11, 47, 36] Generated Node #0,4: 94:[11, 47, 36] Operation: 96-60=36 Moving to Node #0,3 Current State: 94:[96, 47, 49], Operations: ['60-11=49'] Exploring Operation: 47+49=96, Resulting Numbers: [96, 96] Generated Node #0,3,0: 94:[96, 96] Operation: 47+49=96 Exploring Operation: 96+47=143, Resulting Numbers: [49, 143] Generated Node #0,3,1: 94:[49, 143] Operation: 96+47=143 Exploring Operation: 96-49=47, Resulting Numbers: [47, 47] Generated Node #0,3,2: 94:[47, 47] Operation: 96-49=47 Exploring Operation: 96-47=49, Resulting Numbers: [49, 49] Generated Node #0,3,3: 94:[49, 49] Operation: 96-47=49 Exploring Operation: 49-47=2, Resulting Numbers: [96, 2] Generated Node #0,3,4: 94:[96, 2] Operation: 49-47=2 Moving to Node #0,4 Current State: 94:[11, 47, 36], Operations: ['96-60=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47, 47] Generated Node #0,4,0: 94:[47, 47] Operation: 11+36=47 Exploring Operation: 47-11=36, Resulting Numbers: [36, 36] Generated Node #0,4,1: 94:[36, 36] Operation: 47-11=36 Exploring Operation: 47-36=11, Resulting Numbers: [11, 11] Generated Node #0,4,2: 94:[11, 11] Operation: 47-36=11 Exploring Operation: 47+36=83, Resulting Numbers: [11, 83] Generated Node #0,4,3: 94:[11, 83] Operation: 47+36=83 Exploring Operation: 11+47=58, Resulting Numbers: [36, 58] Generated Node #0,4,4: 94:[36, 58] Operation: 11+47=58 Moving to Node #0,1 Current State: 94:[11, 96, 13], Operations: ['60-47=13'] Exploring Operation: 96-11=85, Resulting Numbers: [13, 85] Generated Node #0,1,0: 94:[13, 85] Operation: 96-11=85 Exploring Operation: 11+13=24, Resulting Numbers: [96, 24] Generated Node #0,1,1: 94:[96, 24] Operation: 11+13=24 Exploring Operation: 11+96=107, Resulting Numbers: [13, 107] Generated Node #0,1,2: 94:[13, 107] Operation: 11+96=107 Exploring Operation: 13-11=2, Resulting Numbers: [96, 2] Generated Node #0,1,3: 94:[96, 2] Operation: 13-11=2 Exploring Operation: 96-13=83, Resulting Numbers: [11, 83] Generated Node #0,1,4: 94:[11, 83] Operation: 96-13=83 Moving to Node #0,2 Current State: 94:[60, 47, 85], Operations: ['96-11=85'] Exploring Operation: 85-60=25, Resulting Numbers: [47, 25] Generated Node #0,2,0: 94:[47, 25] Operation: 85-60=25 Exploring Operation: 60+47=107, Resulting Numbers: [85, 107] Generated Node #0,2,1: 94:[85, 107] Operation: 60+47=107 Exploring Operation: 60+85=145, Resulting Numbers: [47, 145] Generated Node #0,2,2: 94:[47, 145] Operation: 60+85=145 Exploring Operation: 85-47=38, Resulting Numbers: [60, 38] Generated Node #0,2,3: 94:[60, 38] Operation: 85-47=38 Exploring Operation: 60-47=13, Resulting Numbers: [85, 13] Generated Node #0,2,4: 94:[85, 13] Operation: 60-47=13 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[85, 13], Operations: ['96-11=85', '60-47=13'] Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,94 unequal: No Solution Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,94 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[47, 25], Operations: ['96-11=85', '85-60=25'] Exploring Operation: 47*25=1175, Resulting Numbers: [1175] 1175,94 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,94 unequal: No Solution Exploring Operation: 47+25=72, Resulting Numbers: [72] 72,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[85, 107], Operations: ['96-11=85', '60+47=107'] Exploring Operation: 85+107=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 85*107=9095, Resulting Numbers: [9095] 9095,94 unequal: No Solution Exploring Operation: 107-85=22, Resulting Numbers: [22] 22,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[60, 38], Operations: ['96-11=85', '85-47=38'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,94 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,94 unequal: No Solution Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[47, 145], Operations: ['96-11=85', '60+85=145'] Exploring Operation: 145-47=98, Resulting Numbers: [98] 98,94 unequal: No Solution Exploring Operation: 47*145=6815, Resulting Numbers: [6815] 6815,94 unequal: No Solution Exploring Operation: 47+145=192, Resulting Numbers: [192] 192,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 94:[11, 96, 107], Operations: ['60+47=107'] Exploring Operation: 107-11=96, Resulting Numbers: [96, 96] Generated Node #0,0,0: 94:[96, 96] Operation: 107-11=96 Exploring Operation: 107-96=11, Resulting Numbers: [11, 11] Generated Node #0,0,1: 94:[11, 11] Operation: 107-96=11 Exploring Operation: 96-11=85, Resulting Numbers: [107, 85] Generated Node #0,0,2: 94:[107, 85] Operation: 96-11=85 Exploring Operation: 11+107=118, Resulting Numbers: [96, 118] Generated Node #0,0,3: 94:[96, 118] Operation: 11+107=118 Exploring Operation: 11+96=107, Resulting Numbers: [107, 107] Generated Node #0,0,4: 94:[107, 107] Operation: 11+96=107 Moving to Node #0,3,2 Current State: 94:[47, 47], Operations: ['60-11=49', '96-49=47'] Exploring Operation: 47*47=2209, Resulting Numbers: [2209] 2209,94 unequal: No Solution Exploring Operation: 47-47=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 47/47=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[60, 11, 96, 47], Operations: [] Exploring Operation: 60-11=49, Resulting Numbers: [96, 47, 49] Generated Node #0,3: 94:[96, 47, 49] Operation: 60-11=49 Moving to Node #0,3 Current State: 94:[96, 47, 49], Operations: ['60-11=49'] Exploring Operation: 96-49=47, Resulting Numbers: [47, 47] Generated Node #0,3,2: 94:[47, 47] Operation: 96-49=47 Moving to Node #0,3,2 Current State: 94:[47, 47], Operations: ['60-11=49', '96-49=47'] Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 98, 91, 28, 2 ]
84
[ "98*2=196", "196/28=7", "91-7=84" ]
Current State: 84:[98, 91, 28, 2], Operations: [] Exploring Operation: 98*2=196, Resulting Numbers: [91, 28, 196] Generated Node #2: [91, 28, 196] from Operation: 98*2=196 Current State: 84:[91, 28, 196], Operations: ['98*2=196'] Exploring Operation: 196/28=7, Resulting Numbers: [91, 7] Generated Node #3: [91, 7] from Operation: 196/28=7 Current State: 84:[91, 7], Operations: ['98*2=196', '196/28=7'] Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[98, 91, 28, 2], Operations: [] Exploring Operation: 91-2=89, Resulting Numbers: [98, 28, 89] Generated Node #0,0: 84:[98, 28, 89] Operation: 91-2=89 Exploring Operation: 98-28=70, Resulting Numbers: [91, 2, 70] Generated Node #0,1: 84:[91, 2, 70] Operation: 98-28=70 Exploring Operation: 98/2=49, Resulting Numbers: [91, 28, 49] Generated Node #0,2: 84:[91, 28, 49] Operation: 98/2=49 Exploring Operation: 98-91=7, Resulting Numbers: [28, 2, 7] Generated Node #0,3: 84:[28, 2, 7] Operation: 98-91=7 Exploring Operation: 98-2=96, Resulting Numbers: [91, 28, 96] Generated Node #0,4: 84:[91, 28, 96] Operation: 98-2=96 Moving to Node #0,3 Current State: 84:[28, 2, 7], Operations: ['98-91=7'] Exploring Operation: 28/7=4, Resulting Numbers: [2, 4] Generated Node #0,3,0: 84:[2, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [2, 21] Generated Node #0,3,1: 84:[2, 21] Operation: 28-7=21 Exploring Operation: 2*7=14, Resulting Numbers: [28, 14] Generated Node #0,3,2: 84:[28, 14] Operation: 2*7=14 Exploring Operation: 28/2=14, Resulting Numbers: [7, 14] Generated Node #0,3,3: 84:[7, 14] Operation: 28/2=14 Exploring Operation: 7-2=5, Resulting Numbers: [28, 5] Generated Node #0,3,4: 84:[28, 5] Operation: 7-2=5 Moving to Node #0,2 Current State: 84:[91, 28, 49], Operations: ['98/2=49'] Exploring Operation: 91-28=63, Resulting Numbers: [49, 63] Generated Node #0,2,0: 84:[49, 63] Operation: 91-28=63 Exploring Operation: 28+49=77, Resulting Numbers: [91, 77] Generated Node #0,2,1: 84:[91, 77] Operation: 28+49=77 Exploring Operation: 91+28=119, Resulting Numbers: [49, 119] Generated Node #0,2,2: 84:[49, 119] Operation: 91+28=119 Exploring Operation: 91-49=42, Resulting Numbers: [28, 42] Generated Node #0,2,3: 84:[28, 42] Operation: 91-49=42 Exploring Operation: 49-28=21, Resulting Numbers: [91, 21] Generated Node #0,2,4: 84:[91, 21] Operation: 49-28=21 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 84:[28, 42], Operations: ['98/2=49', '91-49=42'] Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 28*42=1176, Resulting Numbers: [1176] 1176,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 84:[91, 21], Operations: ['98/2=49', '49-28=21'] Exploring Operation: 91+21=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 91*21=1911, Resulting Numbers: [1911] 1911,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[91, 77], Operations: ['98/2=49', '28+49=77'] Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,84 unequal: No Solution Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[49, 63], Operations: ['98/2=49', '91-28=63'] Exploring Operation: 49+63=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 63-49=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 49*63=3087, Resulting Numbers: [3087] 3087,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[49, 119], Operations: ['98/2=49', '91+28=119'] Exploring Operation: 49*119=5831, Resulting Numbers: [5831] 5831,84 unequal: No Solution Exploring Operation: 119-49=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 49+119=168, Resulting Numbers: [168] 168,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[98, 28, 89], Operations: ['91-2=89'] Exploring Operation: 89-28=61, Resulting Numbers: [98, 61] Generated Node #0,0,0: 84:[98, 61] Operation: 89-28=61 Exploring Operation: 98+28=126, Resulting Numbers: [89, 126] Generated Node #0,0,1: 84:[89, 126] Operation: 98+28=126 Exploring Operation: 98-28=70, Resulting Numbers: [89, 70] Generated Node #0,0,2: 84:[89, 70] Operation: 98-28=70 Exploring Operation: 98-89=9, Resulting Numbers: [28, 9] Generated Node #0,0,3: 84:[28, 9] Operation: 98-89=9 Exploring Operation: 28+89=117, Resulting Numbers: [98, 117] Generated Node #0,0,4: 84:[98, 117] Operation: 28+89=117 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[28, 9], Operations: ['91-2=89', '98-89=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,84 unequal: No Solution Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[89, 70], Operations: ['91-2=89', '98-28=70'] Exploring Operation: 89*70=6230, Resulting Numbers: [6230] 6230,84 unequal: No Solution Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 89+70=159, Resulting Numbers: [159] 159,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[98, 61], Operations: ['91-2=89', '89-28=61'] Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,84 unequal: No Solution Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[89, 126], Operations: ['91-2=89', '98+28=126'] Exploring Operation: 126-89=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 89+126=215, Resulting Numbers: [215] 215,84 unequal: No Solution Exploring Operation: 89*126=11214, Resulting Numbers: [11214] 11214,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[98, 117], Operations: ['91-2=89', '28+89=117'] Exploring Operation: 98*117=11466, Resulting Numbers: [11466] 11466,84 unequal: No Solution Exploring Operation: 98+117=215, Resulting Numbers: [215] 215,84 unequal: No Solution Exploring Operation: 117-98=19, Resulting Numbers: [19] 19,84 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: 84:[91, 28, 96], Operations: ['98-2=96'] Exploring Operation: 96-91=5, Resulting Numbers: [28, 5] Generated Node #0,4,0: 84:[28, 5] Operation: 96-91=5 Exploring Operation: 91+28=119, Resulting Numbers: [96, 119] Generated Node #0,4,1: 84:[96, 119] Operation: 91+28=119 Exploring Operation: 91-28=63, Resulting Numbers: [96, 63] Generated Node #0,4,2: 84:[96, 63] Operation: 91-28=63 Exploring Operation: 28+96=124, Resulting Numbers: [91, 124] Generated Node #0,4,3: 84:[91, 124] Operation: 28+96=124 Exploring Operation: 96-28=68, Resulting Numbers: [91, 68] Generated Node #0,4,4: 84:[91, 68] Operation: 96-28=68 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 84:[28, 5], Operations: ['98-2=96', '96-91=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,84 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 84:[91, 68], Operations: ['98-2=96', '96-28=68'] Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 91*68=6188, Resulting Numbers: [6188] 6188,84 unequal: No Solution Exploring Operation: 91+68=159, Resulting Numbers: [159] 159,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 84:[96, 63], Operations: ['98-2=96', '91-28=63'] Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 96+63=159, Resulting Numbers: [159] 159,84 unequal: No Solution Exploring Operation: 96*63=6048, Resulting Numbers: [6048] 6048,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 84:[96, 119], Operations: ['98-2=96', '91+28=119'] Exploring Operation: 96*119=11424, Resulting Numbers: [11424] 11424,84 unequal: No Solution Exploring Operation: 119-96=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 96+119=215, Resulting Numbers: [215] 215,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 84:[91, 124], Operations: ['98-2=96', '28+96=124'] Exploring Operation: 91+124=215, Resulting Numbers: [215] 215,84 unequal: No Solution Exploring Operation: 124-91=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 91*124=11284, Resulting Numbers: [11284] 11284,84 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: 84:[91, 2, 70], Operations: ['98-28=70'] Exploring Operation: 91+2=93, Resulting Numbers: [70, 93] Generated Node #0,1,0: 84:[70, 93] Operation: 91+2=93 Exploring Operation: 91-2=89, Resulting Numbers: [70, 89] Generated Node #0,1,1: 84:[70, 89] Operation: 91-2=89 Exploring Operation: 2+70=72, Resulting Numbers: [91, 72] Generated Node #0,1,2: 84:[91, 72] Operation: 2+70=72 Exploring Operation: 91-70=21, Resulting Numbers: [2, 21] Generated Node #0,1,3: 84:[2, 21] Operation: 91-70=21 Exploring Operation: 70/2=35, Resulting Numbers: [91, 35] Generated Node #0,1,4: 84:[91, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 84:[2, 21], Operations: ['98-28=70', '91-70=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 84:[91, 35], Operations: ['98-28=70', '70/2=35'] Exploring Operation: 91-35=56, Resulting Numbers: [56] 56,84 unequal: No Solution Exploring Operation: 91+35=126, Resulting Numbers: [126] 126,84 unequal: No Solution Exploring Operation: 91*35=3185, Resulting Numbers: [3185] 3185,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[70, 89], Operations: ['98-28=70', '91-2=89'] Exploring Operation: 70*89=6230, Resulting Numbers: [6230] 6230,84 unequal: No Solution Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 70+89=159, Resulting Numbers: [159] 159,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[91, 72], Operations: ['98-28=70', '2+70=72'] Exploring Operation: 91*72=6552, Resulting Numbers: [6552] 6552,84 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,84 unequal: No Solution Exploring Operation: 91+72=163, Resulting Numbers: [163] 163,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[70, 93], Operations: ['98-28=70', '91+2=93'] Exploring Operation: 70*93=6510, Resulting Numbers: [6510] 6510,84 unequal: No Solution Exploring Operation: 70+93=163, Resulting Numbers: [163] 163,84 unequal: No Solution Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,84 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: 84:[2, 4], Operations: ['98-91=7', '28/7=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[28, 14], Operations: ['98-91=7', '2*7=14'] Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,84 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,84 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[2, 21], Operations: ['98-91=7', '28-7=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[7, 14], Operations: ['98-91=7', '28/2=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,3,4 Current State: 84:[28, 5], Operations: ['98-91=7', '7-2=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,84 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 15, 18, 54, 5 ]
23
[ "18-15=3", "54/3=18", "5+18=23" ]
Current State: 23:[15, 18, 54, 5], Operations: [] Exploring Operation: 18-15=3, Resulting Numbers: [54, 5, 3] Generated Node #2: [54, 5, 3] from Operation: 18-15=3 Current State: 23:[54, 5, 3], Operations: ['18-15=3'] Exploring Operation: 54/3=18, Resulting Numbers: [5, 18] Generated Node #3: [5, 18] from Operation: 54/3=18 Current State: 23:[5, 18], Operations: ['18-15=3', '54/3=18'] Exploring Operation: 5+18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[15, 18, 54, 5], Operations: [] Exploring Operation: 54-15=39, Resulting Numbers: [18, 5, 39] Generated Node #0,0: 23:[18, 5, 39] Operation: 54-15=39 Exploring Operation: 15+5=20, Resulting Numbers: [18, 54, 20] Generated Node #0,1: 23:[18, 54, 20] Operation: 15+5=20 Moving to Node #0,0 Current State: 23:[18, 5, 39], Operations: ['54-15=39'] Exploring Operation: 18+5=23, Resulting Numbers: [39, 23] Generated Node #0,0,0: 23:[39, 23] Operation: 18+5=23 Exploring Operation: 39-5=34, Resulting Numbers: [18, 34] Generated Node #0,0,1: 23:[18, 34] Operation: 39-5=34 Moving to Node #0,1 Current State: 23:[18, 54, 20], Operations: ['15+5=20'] Exploring Operation: 54-20=34, Resulting Numbers: [18, 34] Generated Node #0,1,0: 23:[18, 34] Operation: 54-20=34 Exploring Operation: 54-18=36, Resulting Numbers: [20, 36] Generated Node #0,1,1: 23:[20, 36] Operation: 54-18=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[18, 34], Operations: ['15+5=20', '54-20=34'] Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[20, 36], Operations: ['15+5=20', '54-18=36'] Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,23 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: 23:[39, 23], Operations: ['54-15=39', '18+5=23'] Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[18, 34], Operations: ['54-15=39', '39-5=34'] Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 18+34=52, Resulting Numbers: [52] 52,23 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 43, 25, 76, 46 ]
98
[ "43+25=68", "76-46=30", "68+30=98" ]
Current State: 98:[43, 25, 76, 46], Operations: [] Exploring Operation: 43+25=68, Resulting Numbers: [76, 46, 68] Generated Node #2: [76, 46, 68] from Operation: 43+25=68 Current State: 98:[76, 46, 68], Operations: ['43+25=68'] Exploring Operation: 76-46=30, Resulting Numbers: [68, 30] Generated Node #3: [68, 30] from Operation: 76-46=30 Current State: 98:[68, 30], Operations: ['43+25=68', '76-46=30'] Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[43, 25, 76, 46], Operations: [] Exploring Operation: 76-25=51, Resulting Numbers: [43, 46, 51] Generated Node #0,0: 98:[43, 46, 51] Operation: 76-25=51 Exploring Operation: 43-25=18, Resulting Numbers: [76, 46, 18] Generated Node #0,1: 98:[76, 46, 18] Operation: 43-25=18 Exploring Operation: 25+76=101, Resulting Numbers: [43, 46, 101] Generated Node #0,2: 98:[43, 46, 101] Operation: 25+76=101 Exploring Operation: 76-43=33, Resulting Numbers: [25, 46, 33] Generated Node #0,3: 98:[25, 46, 33] Operation: 76-43=33 Moving to Node #0,0 Current State: 98:[43, 46, 51], Operations: ['76-25=51'] Exploring Operation: 46-43=3, Resulting Numbers: [51, 3] Generated Node #0,0,0: 98:[51, 3] Operation: 46-43=3 Exploring Operation: 51-43=8, Resulting Numbers: [46, 8] Generated Node #0,0,1: 98:[46, 8] Operation: 51-43=8 Exploring Operation: 46+51=97, Resulting Numbers: [43, 97] Generated Node #0,0,2: 98:[43, 97] Operation: 46+51=97 Exploring Operation: 43+51=94, Resulting Numbers: [46, 94] Generated Node #0,0,3: 98:[46, 94] Operation: 43+51=94 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[51, 3], Operations: ['76-25=51', '46-43=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,98 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,98 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[46, 8], Operations: ['76-25=51', '51-43=8'] Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,98 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[43, 97], Operations: ['76-25=51', '46+51=97'] Exploring Operation: 43*97=4171, Resulting Numbers: [4171] 4171,98 unequal: No Solution Exploring Operation: 97-43=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 43+97=140, Resulting Numbers: [140] 140,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 98:[46, 94], Operations: ['76-25=51', '43+51=94'] Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 46+94=140, Resulting Numbers: [140] 140,98 unequal: No Solution Exploring Operation: 46*94=4324, Resulting Numbers: [4324] 4324,98 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: 98:[43, 46, 101], Operations: ['25+76=101'] Exploring Operation: 101-46=55, Resulting Numbers: [43, 55] Generated Node #0,2,0: 98:[43, 55] Operation: 101-46=55 Exploring Operation: 43+46=89, Resulting Numbers: [101, 89] Generated Node #0,2,1: 98:[101, 89] Operation: 43+46=89 Exploring Operation: 46-43=3, Resulting Numbers: [101, 3] Generated Node #0,2,2: 98:[101, 3] Operation: 46-43=3 Exploring Operation: 101-43=58, Resulting Numbers: [46, 58] Generated Node #0,2,3: 98:[46, 58] Operation: 101-43=58 Moving to Node #0,1 Current State: 98:[76, 46, 18], Operations: ['43-25=18'] Exploring Operation: 76-18=58, Resulting Numbers: [46, 58] Generated Node #0,1,0: 98:[46, 58] Operation: 76-18=58 Exploring Operation: 76+46=122, Resulting Numbers: [18, 122] Generated Node #0,1,1: 98:[18, 122] Operation: 76+46=122 Exploring Operation: 76-46=30, Resulting Numbers: [18, 30] Generated Node #0,1,2: 98:[18, 30] Operation: 76-46=30 Exploring Operation: 76+18=94, Resulting Numbers: [46, 94] Generated Node #0,1,3: 98:[46, 94] Operation: 76+18=94 Moving to Node #0,3 Current State: 98:[25, 46, 33], Operations: ['76-43=33'] Exploring Operation: 25+33=58, Resulting Numbers: [46, 58] Generated Node #0,3,0: 98:[46, 58] Operation: 25+33=58 Exploring Operation: 46-33=13, Resulting Numbers: [25, 13] Generated Node #0,3,1: 98:[25, 13] Operation: 46-33=13 Exploring Operation: 46-25=21, Resulting Numbers: [33, 21] Generated Node #0,3,2: 98:[33, 21] Operation: 46-25=21 Exploring Operation: 33-25=8, Resulting Numbers: [46, 8] Generated Node #0,3,3: 98:[46, 8] Operation: 33-25=8 Moving to Node #0,2,2 Current State: 98:[101, 3], Operations: ['25+76=101', '46-43=3'] Exploring Operation: 101*3=303, Resulting Numbers: [303] 303,98 unequal: No Solution Exploring Operation: 101-3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[43, 25, 76, 46], Operations: [] Exploring Operation: 25+76=101, Resulting Numbers: [43, 46, 101] Generated Node #0,2: 98:[43, 46, 101] Operation: 25+76=101 Moving to Node #0,2 Current State: 98:[43, 46, 101], Operations: ['25+76=101'] Exploring Operation: 46-43=3, Resulting Numbers: [101, 3] Generated Node #0,2,2: 98:[101, 3] Operation: 46-43=3 Moving to Node #0,2,2 Current State: 98:[101, 3], Operations: ['25+76=101', '46-43=3'] Exploring Operation: 101-3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 47, 69, 9, 20 ]
51
[ "69-47=22", "9+20=29", "22+29=51" ]
Current State: 51:[47, 69, 9, 20], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [9, 20, 22] Generated Node #2: [9, 20, 22] from Operation: 69-47=22 Current State: 51:[9, 20, 22], Operations: ['69-47=22'] Exploring Operation: 9+20=29, Resulting Numbers: [22, 29] Generated Node #3: [22, 29] from Operation: 9+20=29 Current State: 51:[22, 29], Operations: ['69-47=22', '9+20=29'] Exploring Operation: 22+29=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[47, 69, 9, 20], Operations: [] Exploring Operation: 69-20=49, Resulting Numbers: [47, 9, 49] Generated Node #0,0: 51:[47, 9, 49] Operation: 69-20=49 Exploring Operation: 69-47=22, Resulting Numbers: [9, 20, 22] Generated Node #0,1: 51:[9, 20, 22] Operation: 69-47=22 Exploring Operation: 20-9=11, Resulting Numbers: [47, 69, 11] Generated Node #0,2: 51:[47, 69, 11] Operation: 20-9=11 Exploring Operation: 47+9=56, Resulting Numbers: [69, 20, 56] Generated Node #0,3: 51:[69, 20, 56] Operation: 47+9=56 Exploring Operation: 69-9=60, Resulting Numbers: [47, 20, 60] Generated Node #0,4: 51:[47, 20, 60] Operation: 69-9=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[47, 9, 49], Operations: ['69-20=49'] Exploring Operation: 49-47=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 51:[9, 2] Operation: 49-47=2 Exploring Operation: 49-9=40, Resulting Numbers: [47, 40] Generated Node #0,0,1: 51:[47, 40] Operation: 49-9=40 Exploring Operation: 9+49=58, Resulting Numbers: [47, 58] Generated Node #0,0,2: 51:[47, 58] Operation: 9+49=58 Exploring Operation: 47-9=38, Resulting Numbers: [49, 38] Generated Node #0,0,3: 51:[49, 38] Operation: 47-9=38 Exploring Operation: 47+9=56, Resulting Numbers: [49, 56] Generated Node #0,0,4: 51:[49, 56] Operation: 47+9=56 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[9, 2], Operations: ['69-20=49', '49-47=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 51:[49, 56], Operations: ['69-20=49', '47+9=56'] Exploring Operation: 49+56=105, Resulting Numbers: [105] 105,51 unequal: No Solution Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 49*56=2744, Resulting Numbers: [2744] 2744,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[47, 58], Operations: ['69-20=49', '9+49=58'] Exploring Operation: 47*58=2726, Resulting Numbers: [2726] 2726,51 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 47+58=105, Resulting Numbers: [105] 105,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[47, 40], Operations: ['69-20=49', '49-9=40'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 47*40=1880, Resulting Numbers: [1880] 1880,51 unequal: No Solution Exploring Operation: 47+40=87, Resulting Numbers: [87] 87,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[49, 38], Operations: ['69-20=49', '47-9=38'] Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,51 unequal: No Solution Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[9, 20, 22], Operations: ['69-47=22'] Exploring Operation: 22-20=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 51:[9, 2] Operation: 22-20=2 Exploring Operation: 20-9=11, Resulting Numbers: [22, 11] Generated Node #0,1,1: 51:[22, 11] Operation: 20-9=11 Exploring Operation: 20+22=42, Resulting Numbers: [9, 42] Generated Node #0,1,2: 51:[9, 42] Operation: 20+22=42 Exploring Operation: 9+20=29, Resulting Numbers: [22, 29] Generated Node #0,1,3: 51:[22, 29] Operation: 9+20=29 Exploring Operation: 22-9=13, Resulting Numbers: [20, 13] Generated Node #0,1,4: 51:[20, 13] Operation: 22-9=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[9, 2], Operations: ['69-47=22', '22-20=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 51:[20, 13], Operations: ['69-47=22', '22-9=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,51 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[22, 11], Operations: ['69-47=22', '20-9=11'] Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,51 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 51:[9, 42], Operations: ['69-47=22', '20+22=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[47, 69, 9, 20], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [9, 20, 22] Generated Node #0,1: 51:[9, 20, 22] Operation: 69-47=22 Moving to Node #0,1 Current State: 51:[9, 20, 22], Operations: ['69-47=22'] Exploring Operation: 20+22=42, Resulting Numbers: [9, 42] Generated Node #0,1,2: 51:[9, 42] Operation: 20+22=42 Moving to Node #0,1,2 Current State: 51:[9, 42], Operations: ['69-47=22', '20+22=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_5
sum_heuristic
[ 27, 54, 21, 96 ]
74
[ "27*54=1458", "96+1458=1554", "1554/21=74" ]
Current State: 74:[27, 54, 21, 96], Operations: [] Exploring Operation: 27*54=1458, Resulting Numbers: [21, 96, 1458] Generated Node #2: [21, 96, 1458] from Operation: 27*54=1458 Current State: 74:[21, 96, 1458], Operations: ['27*54=1458'] Exploring Operation: 96+1458=1554, Resulting Numbers: [21, 1554] Generated Node #3: [21, 1554] from Operation: 96+1458=1554 Current State: 74:[21, 1554], Operations: ['27*54=1458', '96+1458=1554'] Exploring Operation: 1554/21=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[27, 54, 21, 96], Operations: [] Exploring Operation: 96-21=75, Resulting Numbers: [27, 54, 75] Generated Node #0,0: 74:[27, 54, 75] Operation: 96-21=75 Exploring Operation: 54/27=2, Resulting Numbers: [21, 96, 2] Generated Node #0,1: 74:[21, 96, 2] Operation: 54/27=2 Exploring Operation: 54+21=75, Resulting Numbers: [27, 96, 75] Generated Node #0,2: 74:[27, 96, 75] Operation: 54+21=75 Exploring Operation: 96-54=42, Resulting Numbers: [27, 21, 42] Generated Node #0,3: 74:[27, 21, 42] Operation: 96-54=42 Exploring Operation: 54-21=33, Resulting Numbers: [27, 96, 33] Generated Node #0,4: 74:[27, 96, 33] Operation: 54-21=33 Moving to Node #0,0 Current State: 74:[27, 54, 75], Operations: ['96-21=75'] Exploring Operation: 75-54=21, Resulting Numbers: [27, 21] Generated Node #0,0,0: 74:[27, 21] Operation: 75-54=21 Exploring Operation: 54/27=2, Resulting Numbers: [75, 2] Generated Node #0,0,1: 74:[75, 2] Operation: 54/27=2 Exploring Operation: 27+54=81, Resulting Numbers: [75, 81] Generated Node #0,0,2: 74:[75, 81] Operation: 27+54=81 Exploring Operation: 54-27=27, Resulting Numbers: [75, 27] Generated Node #0,0,3: 74:[75, 27] Operation: 54-27=27 Exploring Operation: 75-27=48, Resulting Numbers: [54, 48] Generated Node #0,0,4: 74:[54, 48] Operation: 75-27=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[75, 2], Operations: ['96-21=75', '54/27=2'] Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,74 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 75-2=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 #0,0,2 Current State: 74:[75, 81], Operations: ['96-21=75', '27+54=81'] Exploring Operation: 75+81=156, Resulting Numbers: [156] 156,74 unequal: No Solution Exploring Operation: 75*81=6075, Resulting Numbers: [6075] 6075,74 unequal: No Solution Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,74 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:[75, 27], Operations: ['96-21=75', '54-27=27'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,74 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,74 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:[27, 21], Operations: ['96-21=75', '75-54=21'] Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,74 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:[54, 48], Operations: ['96-21=75', '75-27=48'] Exploring Operation: 54+48=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 54*48=2592, Resulting Numbers: [2592] 2592,74 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: 74:[27, 21, 42], Operations: ['96-54=42'] Exploring Operation: 27-21=6, Resulting Numbers: [42, 6] Generated Node #0,3,0: 74:[42, 6] Operation: 27-21=6 Exploring Operation: 27+21=48, Resulting Numbers: [42, 48] Generated Node #0,3,1: 74:[42, 48] Operation: 27+21=48 Exploring Operation: 42/21=2, Resulting Numbers: [27, 2] Generated Node #0,3,2: 74:[27, 2] Operation: 42/21=2 Exploring Operation: 21+42=63, Resulting Numbers: [27, 63] Generated Node #0,3,3: 74:[27, 63] Operation: 21+42=63 Exploring Operation: 27+42=69, Resulting Numbers: [21, 69] Generated Node #0,3,4: 74:[21, 69] Operation: 27+42=69 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 74:[42, 6], Operations: ['96-54=42', '27-21=6'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 42*6=252, Resulting Numbers: [252] 252,74 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 #0,3,2 Current State: 74:[27, 2], Operations: ['96-54=42', '42/21=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,74 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,74 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 #0,3,1 Current State: 74:[42, 48], Operations: ['96-54=42', '27+21=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 42*48=2016, Resulting Numbers: [2016] 2016,74 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,74 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 #0,3,3 Current State: 74:[27, 63], Operations: ['96-54=42', '21+42=63'] Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,74 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,74 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 #0,3,4 Current State: 74:[21, 69], Operations: ['96-54=42', '27+42=69'] Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,74 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,74 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: 74:[27, 96, 75], Operations: ['54+21=75'] Exploring Operation: 75-27=48, Resulting Numbers: [96, 48] Generated Node #0,2,0: 74:[96, 48] Operation: 75-27=48 Exploring Operation: 96-75=21, Resulting Numbers: [27, 21] Generated Node #0,2,1: 74:[27, 21] Operation: 96-75=21 Exploring Operation: 27+75=102, Resulting Numbers: [96, 102] Generated Node #0,2,2: 74:[96, 102] Operation: 27+75=102 Exploring Operation: 96-27=69, Resulting Numbers: [75, 69] Generated Node #0,2,3: 74:[75, 69] Operation: 96-27=69 Exploring Operation: 27+96=123, Resulting Numbers: [75, 123] Generated Node #0,2,4: 74:[75, 123] Operation: 27+96=123 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 74:[75, 69], Operations: ['54+21=75', '96-27=69'] Exploring Operation: 75+69=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 75*69=5175, Resulting Numbers: [5175] 5175,74 unequal: No Solution Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,74 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 #0,2,1 Current State: 74:[27, 21], Operations: ['54+21=75', '96-75=21'] Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,74 unequal: No Solution Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,74 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 #0,2,0 Current State: 74:[96, 48], Operations: ['54+21=75', '75-27=48'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 96/48=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 96+48=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 96*48=4608, Resulting Numbers: [4608] 4608,74 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 #0,2,2 Current State: 74:[96, 102], Operations: ['54+21=75', '27+75=102'] Exploring Operation: 96+102=198, Resulting Numbers: [198] 198,74 unequal: No Solution Exploring Operation: 96*102=9792, Resulting Numbers: [9792] 9792,74 unequal: No Solution Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,74 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 #0,2,4 Current State: 74:[75, 123], Operations: ['54+21=75', '27+96=123'] Exploring Operation: 75+123=198, Resulting Numbers: [198] 198,74 unequal: No Solution Exploring Operation: 123-75=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 75*123=9225, Resulting Numbers: [9225] 9225,74 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:[27, 96, 33], Operations: ['54-21=33'] Exploring Operation: 27+96=123, Resulting Numbers: [33, 123] Generated Node #0,4,0: 74:[33, 123] Operation: 27+96=123 Exploring Operation: 96-33=63, Resulting Numbers: [27, 63] Generated Node #0,4,1: 74:[27, 63] Operation: 96-33=63 Exploring Operation: 33-27=6, Resulting Numbers: [96, 6] Generated Node #0,4,2: 74:[96, 6] Operation: 33-27=6 Exploring Operation: 96-27=69, Resulting Numbers: [33, 69] Generated Node #0,4,3: 74:[33, 69] Operation: 96-27=69 Exploring Operation: 27+33=60, Resulting Numbers: [96, 60] Generated Node #0,4,4: 74:[96, 60] Operation: 27+33=60 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 74:[33, 69], Operations: ['54-21=33', '96-27=69'] Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 33*69=2277, Resulting Numbers: [2277] 2277,74 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 #0,4,1 Current State: 74:[27, 63], Operations: ['54-21=33', '96-33=63'] Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,74 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,74 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 #0,4,2 Current State: 74:[96, 6], Operations: ['54-21=33', '33-27=6'] Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,74 unequal: No Solution Exploring Operation: 96*6=576, Resulting Numbers: [576] 576,74 unequal: No Solution Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,74 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,74 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 #0,4,4 Current State: 74:[96, 60], Operations: ['54-21=33', '27+33=60'] Exploring Operation: 96*60=5760, Resulting Numbers: [5760] 5760,74 unequal: No Solution Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 96+60=156, Resulting Numbers: [156] 156,74 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 #0,4,0 Current State: 74:[33, 123], Operations: ['54-21=33', '27+96=123'] Exploring Operation: 33*123=4059, Resulting Numbers: [4059] 4059,74 unequal: No Solution Exploring Operation: 123-33=90, Resulting Numbers: [90] 90,74 unequal: No Solution Exploring Operation: 33+123=156, Resulting Numbers: [156] 156,74 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: 74:[21, 96, 2], Operations: ['54/27=2'] Exploring Operation: 96/2=48, Resulting Numbers: [21, 48] Generated Node #0,1,0: 74:[21, 48] Operation: 96/2=48 Exploring Operation: 96-21=75, Resulting Numbers: [2, 75] Generated Node #0,1,1: 74:[2, 75] Operation: 96-21=75 Exploring Operation: 96-2=94, Resulting Numbers: [21, 94] Generated Node #0,1,2: 74:[21, 94] Operation: 96-2=94 Exploring Operation: 21+2=23, Resulting Numbers: [96, 23] Generated Node #0,1,3: 74:[96, 23] Operation: 21+2=23 Exploring Operation: 21*2=42, Resulting Numbers: [96, 42] Generated Node #0,1,4: 74:[96, 42] Operation: 21*2=42 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[2, 75], Operations: ['54/27=2', '96-21=75'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,74 unequal: No Solution Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,74 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 #0,1,0 Current State: 74:[21, 48], Operations: ['54/27=2', '96/2=48'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,74 unequal: No Solution Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,74 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:[96, 42], Operations: ['54/27=2', '21*2=42'] Exploring Operation: 96*42=4032, Resulting Numbers: [4032] 4032,74 unequal: No Solution Exploring Operation: 96+42=138, Resulting Numbers: [138] 138,74 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,74 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:[21, 94], Operations: ['54/27=2', '96-2=94'] Exploring Operation: 21+94=115, Resulting Numbers: [115] 115,74 unequal: No Solution Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 21*94=1974, Resulting Numbers: [1974] 1974,74 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:[96, 23], Operations: ['54/27=2', '21+2=23'] Exploring Operation: 96+23=119, Resulting Numbers: [119] 119,74 unequal: No Solution Exploring Operation: 96-23=73, Resulting Numbers: [73] 73,74 unequal: No Solution Exploring Operation: 96*23=2208, Resulting Numbers: [2208] 2208,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 65, 38, 68, 64 ]
31
[ "65-38=27", "68-64=4", "27+4=31" ]
Current State: 31:[65, 38, 68, 64], Operations: [] Exploring Operation: 65-38=27, Resulting Numbers: [68, 64, 27] Generated Node #2: [68, 64, 27] from Operation: 65-38=27 Current State: 31:[68, 64, 27], Operations: ['65-38=27'] Exploring Operation: 68-64=4, Resulting Numbers: [27, 4] Generated Node #3: [27, 4] from Operation: 68-64=4 Current State: 31:[27, 4], Operations: ['65-38=27', '68-64=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[65, 38, 68, 64], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [65, 64, 30] Generated Node #0,0: 31:[65, 64, 30] Operation: 68-38=30 Exploring Operation: 68-65=3, Resulting Numbers: [38, 64, 3] Generated Node #0,1: 31:[38, 64, 3] Operation: 68-65=3 Exploring Operation: 68-64=4, Resulting Numbers: [65, 38, 4] Generated Node #0,2: 31:[65, 38, 4] Operation: 68-64=4 Moving to Node #0,0 Current State: 31:[65, 64, 30], Operations: ['68-38=30'] Exploring Operation: 65-64=1, Resulting Numbers: [30, 1] Generated Node #0,0,0: 31:[30, 1] Operation: 65-64=1 Exploring Operation: 64-30=34, Resulting Numbers: [65, 34] Generated Node #0,0,1: 31:[65, 34] Operation: 64-30=34 Exploring Operation: 65-30=35, Resulting Numbers: [64, 35] Generated Node #0,0,2: 31:[64, 35] Operation: 65-30=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[30, 1], Operations: ['68-38=30', '65-64=1'] Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[65, 38, 68, 64], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [65, 64, 30] Generated Node #0,0: 31:[65, 64, 30] Operation: 68-38=30 Moving to Node #0,0 Current State: 31:[65, 64, 30], Operations: ['68-38=30'] Exploring Operation: 65-64=1, Resulting Numbers: [30, 1] Generated Node #0,0,0: 31:[30, 1] Operation: 65-64=1 Moving to Node #0,0,0 Current State: 31:[30, 1], Operations: ['68-38=30', '65-64=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 69, 21, 34, 15 ]
29
[ "69-21=48", "34-15=19", "48-19=29" ]
Current State: 29:[69, 21, 34, 15], Operations: [] Exploring Operation: 69-21=48, Resulting Numbers: [34, 15, 48] Generated Node #2: [34, 15, 48] from Operation: 69-21=48 Current State: 29:[34, 15, 48], Operations: ['69-21=48'] Exploring Operation: 34-15=19, Resulting Numbers: [48, 19] Generated Node #3: [48, 19] from Operation: 34-15=19 Current State: 29:[48, 19], Operations: ['69-21=48', '34-15=19'] Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[69, 21, 34, 15], Operations: [] Exploring Operation: 69-34=35, Resulting Numbers: [21, 15, 35] Generated Node #0,0: 29:[21, 15, 35] Operation: 69-34=35 Exploring Operation: 21+15=36, Resulting Numbers: [69, 34, 36] Generated Node #0,1: 29:[69, 34, 36] Operation: 21+15=36 Exploring Operation: 69-15=54, Resulting Numbers: [21, 34, 54] Generated Node #0,2: 29:[21, 34, 54] Operation: 69-15=54 Exploring Operation: 69-21=48, Resulting Numbers: [34, 15, 48] Generated Node #0,3: 29:[34, 15, 48] Operation: 69-21=48 Moving to Node #0,0 Current State: 29:[21, 15, 35], Operations: ['69-34=35'] Exploring Operation: 35-15=20, Resulting Numbers: [21, 20] Generated Node #0,0,0: 29:[21, 20] Operation: 35-15=20 Exploring Operation: 21+15=36, Resulting Numbers: [35, 36] Generated Node #0,0,1: 29:[35, 36] Operation: 21+15=36 Exploring Operation: 35-21=14, Resulting Numbers: [15, 14] Generated Node #0,0,2: 29:[15, 14] Operation: 35-21=14 Exploring Operation: 21-15=6, Resulting Numbers: [35, 6] Generated Node #0,0,3: 29:[35, 6] Operation: 21-15=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[35, 36], Operations: ['69-34=35', '21+15=36'] Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,29 unequal: No Solution Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,29 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,29 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 #0,0,0 Current State: 29:[21, 20], Operations: ['69-34=35', '35-15=20'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,29 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:[15, 14], Operations: ['69-34=35', '35-21=14'] Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[69, 21, 34, 15], Operations: [] Exploring Operation: 69-34=35, Resulting Numbers: [21, 15, 35] Generated Node #0,0: 29:[21, 15, 35] Operation: 69-34=35 Moving to Node #0,0 Current State: 29:[21, 15, 35], Operations: ['69-34=35'] Exploring Operation: 35-21=14, Resulting Numbers: [15, 14] Generated Node #0,0,2: 29:[15, 14] Operation: 35-21=14 Moving to Node #0,0,2 Current State: 29:[15, 14], Operations: ['69-34=35', '35-21=14'] Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 52, 13, 68, 5 ]
88
[ "52/13=4", "5*4=20", "68+20=88" ]
Current State: 88:[52, 13, 68, 5], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [68, 5, 4] Generated Node #2: [68, 5, 4] from Operation: 52/13=4 Current State: 88:[68, 5, 4], Operations: ['52/13=4'] Exploring Operation: 5*4=20, Resulting Numbers: [68, 20] Generated Node #3: [68, 20] from Operation: 5*4=20 Current State: 88:[68, 20], Operations: ['52/13=4', '5*4=20'] Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[52, 13, 68, 5], Operations: [] Exploring Operation: 68-13=55, Resulting Numbers: [52, 5, 55] Generated Node #0,0: 88:[52, 5, 55] Operation: 68-13=55 Exploring Operation: 52-5=47, Resulting Numbers: [13, 68, 47] Generated Node #0,1: 88:[13, 68, 47] Operation: 52-5=47 Exploring Operation: 52/13=4, Resulting Numbers: [68, 5, 4] Generated Node #0,2: 88:[68, 5, 4] Operation: 52/13=4 Exploring Operation: 13+68=81, Resulting Numbers: [52, 5, 81] Generated Node #0,3: 88:[52, 5, 81] Operation: 13+68=81 Exploring Operation: 68-52=16, Resulting Numbers: [13, 5, 16] Generated Node #0,4: 88:[13, 5, 16] Operation: 68-52=16 Moving to Node #0,4 Current State: 88:[13, 5, 16], Operations: ['68-52=16'] Exploring Operation: 5+16=21, Resulting Numbers: [13, 21] Generated Node #0,4,0: 88:[13, 21] Operation: 5+16=21 Exploring Operation: 16-5=11, Resulting Numbers: [13, 11] Generated Node #0,4,1: 88:[13, 11] Operation: 16-5=11 Exploring Operation: 16-13=3, Resulting Numbers: [5, 3] Generated Node #0,4,2: 88:[5, 3] Operation: 16-13=3 Exploring Operation: 13-5=8, Resulting Numbers: [16, 8] Generated Node #0,4,3: 88:[16, 8] Operation: 13-5=8 Exploring Operation: 13+16=29, Resulting Numbers: [5, 29] Generated Node #0,4,4: 88:[5, 29] Operation: 13+16=29 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 88:[13, 11], Operations: ['68-52=16', '16-5=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,88 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 #0,4,2 Current State: 88:[5, 3], Operations: ['68-52=16', '16-13=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,88 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,88 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 #0,4,0 Current State: 88:[13, 21], Operations: ['68-52=16', '5+16=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,88 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,88 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 #0,4,3 Current State: 88:[16, 8], Operations: ['68-52=16', '13-5=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,88 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 #0,4,4 Current State: 88:[5, 29], Operations: ['68-52=16', '13+16=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,88 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: 88:[52, 5, 81], Operations: ['13+68=81'] Exploring Operation: 81-52=29, Resulting Numbers: [5, 29] Generated Node #0,3,0: 88:[5, 29] Operation: 81-52=29 Exploring Operation: 52-5=47, Resulting Numbers: [81, 47] Generated Node #0,3,1: 88:[81, 47] Operation: 52-5=47 Exploring Operation: 5+81=86, Resulting Numbers: [52, 86] Generated Node #0,3,2: 88:[52, 86] Operation: 5+81=86 Exploring Operation: 52+5=57, Resulting Numbers: [81, 57] Generated Node #0,3,3: 88:[81, 57] Operation: 52+5=57 Exploring Operation: 81-5=76, Resulting Numbers: [52, 76] Generated Node #0,3,4: 88:[52, 76] Operation: 81-5=76 Moving to Node #0,0 Current State: 88:[52, 5, 55], Operations: ['68-13=55'] Exploring Operation: 55/5=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 88:[52, 11] Operation: 55/5=11 Exploring Operation: 55-5=50, Resulting Numbers: [52, 50] Generated Node #0,0,1: 88:[52, 50] Operation: 55-5=50 Exploring Operation: 55-52=3, Resulting Numbers: [5, 3] Generated Node #0,0,2: 88:[5, 3] Operation: 55-52=3 Exploring Operation: 52-5=47, Resulting Numbers: [55, 47] Generated Node #0,0,3: 88:[55, 47] Operation: 52-5=47 Exploring Operation: 52+55=107, Resulting Numbers: [5, 107] Generated Node #0,0,4: 88:[5, 107] Operation: 52+55=107 Moving to Node #0,2 Current State: 88:[68, 5, 4], Operations: ['52/13=4'] Exploring Operation: 68-4=64, Resulting Numbers: [5, 64] Generated Node #0,2,0: 88:[5, 64] Operation: 68-4=64 Exploring Operation: 68+4=72, Resulting Numbers: [5, 72] Generated Node #0,2,1: 88:[5, 72] Operation: 68+4=72 Exploring Operation: 68+5=73, Resulting Numbers: [4, 73] Generated Node #0,2,2: 88:[4, 73] Operation: 68+5=73 Exploring Operation: 68/4=17, Resulting Numbers: [5, 17] Generated Node #0,2,3: 88:[5, 17] Operation: 68/4=17 Exploring Operation: 68-5=63, Resulting Numbers: [4, 63] Generated Node #0,2,4: 88:[4, 63] Operation: 68-5=63 Moving to Node #0,1 Current State: 88:[13, 68, 47], Operations: ['52-5=47'] Exploring Operation: 13+68=81, Resulting Numbers: [47, 81] Generated Node #0,1,0: 88:[47, 81] Operation: 13+68=81 Exploring Operation: 47-13=34, Resulting Numbers: [68, 34] Generated Node #0,1,1: 88:[68, 34] Operation: 47-13=34 Exploring Operation: 68-47=21, Resulting Numbers: [13, 21] Generated Node #0,1,2: 88:[13, 21] Operation: 68-47=21 Exploring Operation: 68-13=55, Resulting Numbers: [47, 55] Generated Node #0,1,3: 88:[47, 55] Operation: 68-13=55 Exploring Operation: 68+47=115, Resulting Numbers: [13, 115] Generated Node #0,1,4: 88:[13, 115] Operation: 68+47=115 Moving to Node #0,0,2 Current State: 88:[5, 3], Operations: ['68-13=55', '55-52=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,88 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[13, 21], Operations: ['52-5=47', '68-47=21'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[5, 17], Operations: ['52/13=4', '68/4=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[5, 29], Operations: ['13+68=81', '81-52=29'] Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[52, 11], Operations: ['68-13=55', '55/5=11'] Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,88 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[52, 86], Operations: ['13+68=81', '5+81=86'] Exploring Operation: 52+86=138, Resulting Numbers: [138] 138,88 unequal: No Solution Exploring Operation: 52*86=4472, Resulting Numbers: [4472] 4472,88 unequal: No Solution Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[81, 47], Operations: ['13+68=81', '52-5=47'] Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 81*47=3807, Resulting Numbers: [3807] 3807,88 unequal: No Solution Exploring Operation: 81+47=128, Resulting Numbers: [128] 128,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[47, 81], Operations: ['52-5=47', '13+68=81'] Exploring Operation: 47+81=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 81-47=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 47*81=3807, Resulting Numbers: [3807] 3807,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[47, 55], Operations: ['52-5=47', '68-13=55'] Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,88 unequal: No Solution Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[55, 47], Operations: ['68-13=55', '52-5=47'] Exploring Operation: 55*47=2585, Resulting Numbers: [2585] 2585,88 unequal: No Solution Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 55+47=102, Resulting Numbers: [102] 102,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[52, 50], Operations: ['68-13=55', '55-5=50'] Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,88 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[4, 73], Operations: ['52/13=4', '68+5=73'] Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,88 unequal: No Solution Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,88 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[5, 72], Operations: ['52/13=4', '68+4=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 5*72=360, Resulting Numbers: [360] 360,88 unequal: No Solution Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[4, 63], Operations: ['52/13=4', '68-5=63'] Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,88 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[52, 76], Operations: ['13+68=81', '81-5=76'] Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 52*76=3952, Resulting Numbers: [3952] 3952,88 unequal: No Solution Exploring Operation: 52+76=128, Resulting Numbers: [128] 128,88 unequal: No Solution Moving to Node #0,0,4 Current State: 88:[5, 107], Operations: ['68-13=55', '52+55=107'] Exploring Operation: 107-5=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 5*107=535, Resulting Numbers: [535] 535,88 unequal: No Solution Exploring Operation: 5+107=112, Resulting Numbers: [112] 112,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[81, 57], Operations: ['13+68=81', '52+5=57'] Exploring Operation: 81*57=4617, Resulting Numbers: [4617] 4617,88 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,88 unequal: No Solution Exploring Operation: 81+57=138, Resulting Numbers: [138] 138,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[5, 64], Operations: ['52/13=4', '68-4=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,88 unequal: No Solution Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,88 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,88 unequal: No Solution Moving to Node #0,1,4 Current State: 88:[13, 115], Operations: ['52-5=47', '68+47=115'] Exploring Operation: 13+115=128, Resulting Numbers: [128] 128,88 unequal: No Solution Exploring Operation: 115-13=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 13*115=1495, Resulting Numbers: [1495] 1495,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[68, 34], Operations: ['52-5=47', '47-13=34'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,88 unequal: No Solution Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,88 unequal: No Solution Exploring Operation: 68*34=2312, Resulting Numbers: [2312] 2312,88 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 16, 43, 51, 11 ]
22
[ "16*11=176", "51-43=8", "176/8=22" ]
Current State: 22:[16, 43, 51, 11], Operations: [] Exploring Operation: 16*11=176, Resulting Numbers: [43, 51, 176] Generated Node #2: [43, 51, 176] from Operation: 16*11=176 Current State: 22:[43, 51, 176], Operations: ['16*11=176'] Exploring Operation: 51-43=8, Resulting Numbers: [176, 8] Generated Node #3: [176, 8] from Operation: 51-43=8 Current State: 22:[176, 8], Operations: ['16*11=176', '51-43=8'] Exploring Operation: 176/8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[16, 43, 51, 11], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [16, 51, 32] Generated Node #0,0: 22:[16, 51, 32] Operation: 43-11=32 Exploring Operation: 51-43=8, Resulting Numbers: [16, 11, 8] Generated Node #0,1: 22:[16, 11, 8] Operation: 51-43=8 Exploring Operation: 43-16=27, Resulting Numbers: [51, 11, 27] Generated Node #0,2: 22:[51, 11, 27] Operation: 43-16=27 Exploring Operation: 51-16=35, Resulting Numbers: [43, 11, 35] Generated Node #0,3: 22:[43, 11, 35] Operation: 51-16=35 Exploring Operation: 51-11=40, Resulting Numbers: [16, 43, 40] Generated Node #0,4: 22:[16, 43, 40] Operation: 51-11=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[16, 11, 8], Operations: ['51-43=8'] Exploring Operation: 11-8=3, Resulting Numbers: [16, 3] Generated Node #0,1,0: 22:[16, 3] Operation: 11-8=3 Exploring Operation: 16/8=2, Resulting Numbers: [11, 2] Generated Node #0,1,1: 22:[11, 2] Operation: 16/8=2 Exploring Operation: 16-11=5, Resulting Numbers: [8, 5] Generated Node #0,1,2: 22:[8, 5] Operation: 16-11=5 Exploring Operation: 16+8=24, Resulting Numbers: [11, 24] Generated Node #0,1,3: 22:[11, 24] Operation: 16+8=24 Exploring Operation: 16-8=8, Resulting Numbers: [11, 8] Generated Node #0,1,4: 22:[11, 8] Operation: 16-8=8 Moving to Node #0,1,1 Current State: 22:[11, 2], Operations: ['51-43=8', '16/8=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[16, 43, 51, 11], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [16, 11, 8] Generated Node #0,1: 22:[16, 11, 8] Operation: 51-43=8 Moving to Node #0,1 Current State: 22:[16, 11, 8], Operations: ['51-43=8'] Exploring Operation: 16/8=2, Resulting Numbers: [11, 2] Generated Node #0,1,1: 22:[11, 2] Operation: 16/8=2 Moving to Node #0,1,1 Current State: 22:[11, 2], Operations: ['51-43=8', '16/8=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 75, 27, 88, 3 ]
36
[ "75/3=25", "88-27=61", "61-25=36" ]
Current State: 36:[75, 27, 88, 3], Operations: [] Exploring Operation: 75/3=25, Resulting Numbers: [27, 88, 25] Generated Node #2: [27, 88, 25] from Operation: 75/3=25 Current State: 36:[27, 88, 25], Operations: ['75/3=25'] Exploring Operation: 88-27=61, Resulting Numbers: [25, 61] Generated Node #3: [25, 61] from Operation: 88-27=61 Current State: 36:[25, 61], Operations: ['75/3=25', '88-27=61'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[75, 27, 88, 3], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [27, 3, 13] Generated Node #0,0: 36:[27, 3, 13] Operation: 88-75=13 Exploring Operation: 75-27=48, Resulting Numbers: [88, 3, 48] Generated Node #0,1: 36:[88, 3, 48] Operation: 75-27=48 Moving to Node #0,0 Current State: 36:[27, 3, 13], Operations: ['88-75=13'] Exploring Operation: 27-13=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 36:[3, 14] Operation: 27-13=14 Exploring Operation: 27/3=9, Resulting Numbers: [13, 9] Generated Node #0,0,1: 36:[13, 9] Operation: 27/3=9 Moving to Node #0,1 Current State: 36:[88, 3, 48], Operations: ['75-27=48'] Exploring Operation: 48/3=16, Resulting Numbers: [88, 16] Generated Node #0,1,0: 36:[88, 16] Operation: 48/3=16 Exploring Operation: 88-48=40, Resulting Numbers: [3, 40] Generated Node #0,1,1: 36:[3, 40] Operation: 88-48=40 Moving to Node #0,0,1 Current State: 36:[13, 9], Operations: ['88-75=13', '27/3=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[3, 14], Operations: ['88-75=13', '27-13=14'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[3, 40], Operations: ['75-27=48', '88-48=40'] Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,36 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[88, 16], Operations: ['75-27=48', '48/3=16'] Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,36 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 81, 16, 66, 18 ]
96
[ "18-16=2", "81*2=162", "162-66=96" ]
Current State: 96:[81, 16, 66, 18], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [81, 66, 2] Generated Node #2: [81, 66, 2] from Operation: 18-16=2 Current State: 96:[81, 66, 2], Operations: ['18-16=2'] Exploring Operation: 81*2=162, Resulting Numbers: [66, 162] Generated Node #3: [66, 162] from Operation: 81*2=162 Current State: 96:[66, 162], Operations: ['18-16=2', '81*2=162'] Exploring Operation: 162-66=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[81, 16, 66, 18], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [16, 18, 15] Generated Node #0,0: 96:[16, 18, 15] Operation: 81-66=15 Moving to Node #0,0 Current State: 96:[16, 18, 15], Operations: ['81-66=15'] Exploring Operation: 18-15=3, Resulting Numbers: [16, 3] Generated Node #0,0,0: 96:[16, 3] Operation: 18-15=3 Moving to Node #0,0,0 Current State: 96:[16, 3], Operations: ['81-66=15', '18-15=3'] Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,96 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 52, 45, 88, 63 ]
32
[ "52-45=7", "88-63=25", "7+25=32" ]
Current State: 32:[52, 45, 88, 63], Operations: [] Exploring Operation: 52-45=7, Resulting Numbers: [88, 63, 7] Generated Node #2: [88, 63, 7] from Operation: 52-45=7 Current State: 32:[88, 63, 7], Operations: ['52-45=7'] Exploring Operation: 88-63=25, Resulting Numbers: [7, 25] Generated Node #3: [7, 25] from Operation: 88-63=25 Current State: 32:[7, 25], Operations: ['52-45=7', '88-63=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[52, 45, 88, 63], Operations: [] Exploring Operation: 88-63=25, Resulting Numbers: [52, 45, 25] Generated Node #0,0: 32:[52, 45, 25] Operation: 88-63=25 Moving to Node #0,0 Current State: 32:[52, 45, 25], Operations: ['88-63=25'] Exploring Operation: 52-45=7, Resulting Numbers: [25, 7] Generated Node #0,0,0: 32:[25, 7] Operation: 52-45=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[25, 7], Operations: ['88-63=25', '52-45=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[52, 45, 88, 63], Operations: [] Exploring Operation: 88-63=25, Resulting Numbers: [52, 45, 25] Generated Node #0,0: 32:[52, 45, 25] Operation: 88-63=25 Moving to Node #0,0 Current State: 32:[52, 45, 25], Operations: ['88-63=25'] Exploring Operation: 52-45=7, Resulting Numbers: [25, 7] Generated Node #0,0,0: 32:[25, 7] Operation: 52-45=7 Moving to Node #0,0,0 Current State: 32:[25, 7], Operations: ['88-63=25', '52-45=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 76, 84, 80, 31 ]
57
[ "84-76=8", "80-31=49", "8+49=57" ]
Current State: 57:[76, 84, 80, 31], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [80, 31, 8] Generated Node #2: [80, 31, 8] from Operation: 84-76=8 Current State: 57:[80, 31, 8], Operations: ['84-76=8'] Exploring Operation: 80-31=49, Resulting Numbers: [8, 49] Generated Node #3: [8, 49] from Operation: 80-31=49 Current State: 57:[8, 49], Operations: ['84-76=8', '80-31=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[76, 84, 80, 31], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [76, 31, 4] Generated Node #0,0: 57:[76, 31, 4] Operation: 84-80=4 Exploring Operation: 84-76=8, Resulting Numbers: [80, 31, 8] Generated Node #0,1: 57:[80, 31, 8] Operation: 84-76=8 Moving to Node #0,0 Current State: 57:[76, 31, 4], Operations: ['84-80=4'] Exploring Operation: 76/4=19, Resulting Numbers: [31, 19] Generated Node #0,0,0: 57:[31, 19] Operation: 76/4=19 Exploring Operation: 76-31=45, Resulting Numbers: [4, 45] Generated Node #0,0,1: 57:[4, 45] Operation: 76-31=45 Moving to Node #0,1 Current State: 57:[80, 31, 8], Operations: ['84-76=8'] Exploring Operation: 80-31=49, Resulting Numbers: [8, 49] Generated Node #0,1,0: 57:[8, 49] Operation: 80-31=49 Exploring Operation: 80/8=10, Resulting Numbers: [31, 10] Generated Node #0,1,1: 57:[31, 10] Operation: 80/8=10 Moving to Node #0,0,0 Current State: 57:[31, 19], Operations: ['84-80=4', '76/4=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[8, 49], Operations: ['84-76=8', '80-31=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[76, 84, 80, 31], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [80, 31, 8] Generated Node #0,1: 57:[80, 31, 8] Operation: 84-76=8 Moving to Node #0,1 Current State: 57:[80, 31, 8], Operations: ['84-76=8'] Exploring Operation: 80-31=49, Resulting Numbers: [8, 49] Generated Node #0,1,0: 57:[8, 49] Operation: 80-31=49 Moving to Node #0,1,0 Current State: 57:[8, 49], Operations: ['84-76=8', '80-31=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.988715
hs_2
mult_heuristic
[ 77, 7, 76, 89 ]
81
[ "77+7=84", "76+89=165", "165-84=81" ]
Current State: 81:[77, 7, 76, 89], Operations: [] Exploring Operation: 77+7=84, Resulting Numbers: [76, 89, 84] Generated Node #2: [76, 89, 84] from Operation: 77+7=84 Current State: 81:[76, 89, 84], Operations: ['77+7=84'] Exploring Operation: 76+89=165, Resulting Numbers: [84, 165] Generated Node #3: [84, 165] from Operation: 76+89=165 Current State: 81:[84, 165], Operations: ['77+7=84', '76+89=165'] Exploring Operation: 165-84=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[77, 7, 76, 89], Operations: [] Exploring Operation: 89-7=82, Resulting Numbers: [77, 76, 82] Generated Node #0,0: 81:[77, 76, 82] Operation: 89-7=82 Exploring Operation: 89-77=12, Resulting Numbers: [7, 76, 12] Generated Node #0,1: 81:[7, 76, 12] Operation: 89-77=12 Moving to Node #0,0 Current State: 81:[77, 76, 82], Operations: ['89-7=82'] Exploring Operation: 77-76=1, Resulting Numbers: [82, 1] Generated Node #0,0,0: 81:[82, 1] Operation: 77-76=1 Exploring Operation: 82-77=5, Resulting Numbers: [76, 5] Generated Node #0,0,1: 81:[76, 5] Operation: 82-77=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[82, 1], Operations: ['89-7=82', '77-76=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[77, 7, 76, 89], Operations: [] Exploring Operation: 89-7=82, Resulting Numbers: [77, 76, 82] Generated Node #0,0: 81:[77, 76, 82] Operation: 89-7=82 Moving to Node #0,0 Current State: 81:[77, 76, 82], Operations: ['89-7=82'] Exploring Operation: 77-76=1, Resulting Numbers: [82, 1] Generated Node #0,0,0: 81:[82, 1] Operation: 77-76=1 Moving to Node #0,0,0 Current State: 81:[82, 1], Operations: ['89-7=82', '77-76=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 86, 42, 19, 63 ]
70
[ "86+19=105", "42*105=4410", "4410/63=70" ]
Current State: 70:[86, 42, 19, 63], Operations: [] Exploring Operation: 86+19=105, Resulting Numbers: [42, 63, 105] Generated Node #2: [42, 63, 105] from Operation: 86+19=105 Current State: 70:[42, 63, 105], Operations: ['86+19=105'] Exploring Operation: 42*105=4410, Resulting Numbers: [63, 4410] Generated Node #3: [63, 4410] from Operation: 42*105=4410 Current State: 70:[63, 4410], Operations: ['86+19=105', '42*105=4410'] Exploring Operation: 4410/63=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[86, 42, 19, 63], Operations: [] Exploring Operation: 86-42=44, Resulting Numbers: [19, 63, 44] Generated Node #0,0: 70:[19, 63, 44] Operation: 86-42=44 Exploring Operation: 86-19=67, Resulting Numbers: [42, 63, 67] Generated Node #0,1: 70:[42, 63, 67] Operation: 86-19=67 Moving to Node #0,1 Current State: 70:[42, 63, 67], Operations: ['86-19=67'] Exploring Operation: 67-63=4, Resulting Numbers: [42, 4] Generated Node #0,1,0: 70:[42, 4] Operation: 67-63=4 Exploring Operation: 63-42=21, Resulting Numbers: [67, 21] Generated Node #0,1,1: 70:[67, 21] Operation: 63-42=21 Moving to Node #0,0 Current State: 70:[19, 63, 44], Operations: ['86-42=44'] Exploring Operation: 19+44=63, Resulting Numbers: [63, 63] Generated Node #0,0,0: 70:[63, 63] Operation: 19+44=63 Exploring Operation: 63-44=19, Resulting Numbers: [19, 19] Generated Node #0,0,1: 70:[19, 19] Operation: 63-44=19 Moving to Node #0,1,0 Current State: 70:[42, 4], Operations: ['86-19=67', '67-63=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[19, 19], Operations: ['86-42=44', '63-44=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[67, 21], Operations: ['86-19=67', '63-42=21'] Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[63, 63], Operations: ['86-42=44', '19+44=63'] Exploring Operation: 63/63=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 63-63=0, Resulting Numbers: [0] 0,70 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 4, 80, 88, 22 ]
90
[ "80/4=20", "88+22=110", "110-20=90" ]
Current State: 90:[4, 80, 88, 22], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [88, 22, 20] Generated Node #2: [88, 22, 20] from Operation: 80/4=20 Current State: 90:[88, 22, 20], Operations: ['80/4=20'] Exploring Operation: 88+22=110, Resulting Numbers: [20, 110] Generated Node #3: [20, 110] from Operation: 88+22=110 Current State: 90:[20, 110], Operations: ['80/4=20', '88+22=110'] Exploring Operation: 110-20=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[4, 80, 88, 22], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [4, 22, 8] Generated Node #0,0: 90:[4, 22, 8] Operation: 88-80=8 Exploring Operation: 80/4=20, Resulting Numbers: [88, 22, 20] Generated Node #0,1: 90:[88, 22, 20] Operation: 80/4=20 Moving to Node #0,0 Current State: 90:[4, 22, 8], Operations: ['88-80=8'] Exploring Operation: 22+8=30, Resulting Numbers: [4, 30] Generated Node #0,0,0: 90:[4, 30] Operation: 22+8=30 Exploring Operation: 22-4=18, Resulting Numbers: [8, 18] Generated Node #0,0,1: 90:[8, 18] Operation: 22-4=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[4, 30], Operations: ['88-80=8', '22+8=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[8, 18], Operations: ['88-80=8', '22-4=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,90 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: 90:[88, 22, 20], Operations: ['80/4=20'] Exploring Operation: 88/22=4, Resulting Numbers: [20, 4] Generated Node #0,1,0: 90:[20, 4] Operation: 88/22=4 Exploring Operation: 22-20=2, Resulting Numbers: [88, 2] Generated Node #0,1,1: 90:[88, 2] Operation: 22-20=2 Moving to Node #0,1,1 Current State: 90:[88, 2], Operations: ['80/4=20', '22-20=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[4, 80, 88, 22], Operations: [] Exploring Operation: 80/4=20, Resulting Numbers: [88, 22, 20] Generated Node #0,1: 90:[88, 22, 20] Operation: 80/4=20 Moving to Node #0,1 Current State: 90:[88, 22, 20], Operations: ['80/4=20'] Exploring Operation: 22-20=2, Resulting Numbers: [88, 2] Generated Node #0,1,1: 90:[88, 2] Operation: 22-20=2 Moving to Node #0,1,1 Current State: 90:[88, 2], Operations: ['80/4=20', '22-20=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 61, 87, 17, 38 ]
29
[ "87-61=26", "17+38=55", "55-26=29" ]
Current State: 29:[61, 87, 17, 38], Operations: [] Exploring Operation: 87-61=26, Resulting Numbers: [17, 38, 26] Generated Node #2: [17, 38, 26] from Operation: 87-61=26 Current State: 29:[17, 38, 26], Operations: ['87-61=26'] Exploring Operation: 17+38=55, Resulting Numbers: [26, 55] Generated Node #3: [26, 55] from Operation: 17+38=55 Current State: 29:[26, 55], Operations: ['87-61=26', '17+38=55'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[61, 87, 17, 38], Operations: [] Exploring Operation: 61-38=23, Resulting Numbers: [87, 17, 23] Generated Node #0,0: 29:[87, 17, 23] Operation: 61-38=23 Exploring Operation: 87-38=49, Resulting Numbers: [61, 17, 49] Generated Node #0,1: 29:[61, 17, 49] Operation: 87-38=49 Exploring Operation: 87-61=26, Resulting Numbers: [17, 38, 26] Generated Node #0,2: 29:[17, 38, 26] Operation: 87-61=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[17, 38, 26], Operations: ['87-61=26'] Exploring Operation: 38-17=21, Resulting Numbers: [26, 21] Generated Node #0,2,0: 29:[26, 21] Operation: 38-17=21 Exploring Operation: 17+26=43, Resulting Numbers: [38, 43] Generated Node #0,2,1: 29:[38, 43] Operation: 17+26=43 Exploring Operation: 17+38=55, Resulting Numbers: [26, 55] Generated Node #0,2,2: 29:[26, 55] Operation: 17+38=55 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 29:[26, 21], Operations: ['87-61=26', '38-17=21'] Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,29 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,29 unequal: No Solution No 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: 29:[38, 43], Operations: ['87-61=26', '17+26=43'] Exploring Operation: 38*43=1634, Resulting Numbers: [1634] 1634,29 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,29 unequal: No Solution No 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: 29:[26, 55], Operations: ['87-61=26', '17+38=55'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[61, 87, 17, 38], Operations: [] Exploring Operation: 87-61=26, Resulting Numbers: [17, 38, 26] Generated Node #0,2: 29:[17, 38, 26] Operation: 87-61=26 Moving to Node #0,2 Current State: 29:[17, 38, 26], Operations: ['87-61=26'] Exploring Operation: 17+38=55, Resulting Numbers: [26, 55] Generated Node #0,2,2: 29:[26, 55] Operation: 17+38=55 Moving to Node #0,2,2 Current State: 29:[26, 55], Operations: ['87-61=26', '17+38=55'] Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 9, 54, 55, 37 ]
63
[ "54-9=45", "55-37=18", "45+18=63" ]
Current State: 63:[9, 54, 55, 37], Operations: [] Exploring Operation: 54-9=45, Resulting Numbers: [55, 37, 45] Generated Node #2: [55, 37, 45] from Operation: 54-9=45 Current State: 63:[55, 37, 45], Operations: ['54-9=45'] Exploring Operation: 55-37=18, Resulting Numbers: [45, 18] Generated Node #3: [45, 18] from Operation: 55-37=18 Current State: 63:[45, 18], Operations: ['54-9=45', '55-37=18'] Exploring Operation: 45+18=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[9, 54, 55, 37], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [9, 54, 18] Generated Node #0,0: 63:[9, 54, 18] Operation: 55-37=18 Exploring Operation: 55-54=1, Resulting Numbers: [9, 37, 1] Generated Node #0,1: 63:[9, 37, 1] Operation: 55-54=1 Exploring Operation: 54-37=17, Resulting Numbers: [9, 55, 17] Generated Node #0,2: 63:[9, 55, 17] Operation: 54-37=17 Exploring Operation: 9+54=63, Resulting Numbers: [55, 37, 63] Generated Node #0,3: 63:[55, 37, 63] Operation: 9+54=63 Moving to Node #0,0 Current State: 63:[9, 54, 18], Operations: ['55-37=18'] Exploring Operation: 9+54=63, Resulting Numbers: [18, 63] Generated Node #0,0,0: 63:[18, 63] Operation: 9+54=63 Exploring Operation: 54/9=6, Resulting Numbers: [18, 6] Generated Node #0,0,1: 63:[18, 6] Operation: 54/9=6 Exploring Operation: 54/18=3, Resulting Numbers: [9, 3] Generated Node #0,0,2: 63:[9, 3] Operation: 54/18=3 Exploring Operation: 18-9=9, Resulting Numbers: [54, 9] Generated Node #0,0,3: 63:[54, 9] Operation: 18-9=9 Moving to Node #0,2 Current State: 63:[9, 55, 17], Operations: ['54-37=17'] Exploring Operation: 55+17=72, Resulting Numbers: [9, 72] Generated Node #0,2,0: 63:[9, 72] Operation: 55+17=72 Exploring Operation: 9+55=64, Resulting Numbers: [17, 64] Generated Node #0,2,1: 63:[17, 64] Operation: 9+55=64 Exploring Operation: 9+17=26, Resulting Numbers: [55, 26] Generated Node #0,2,2: 63:[55, 26] Operation: 9+17=26 Exploring Operation: 17-9=8, Resulting Numbers: [55, 8] Generated Node #0,2,3: 63:[55, 8] Operation: 17-9=8 Moving to Node #0,1 Current State: 63:[9, 37, 1], Operations: ['55-54=1'] Exploring Operation: 9/1=9, Resulting Numbers: [37, 9] Generated Node #0,1,0: 63:[37, 9] Operation: 9/1=9 Exploring Operation: 37-1=36, Resulting Numbers: [9, 36] Generated Node #0,1,1: 63:[9, 36] Operation: 37-1=36 Exploring Operation: 37-9=28, Resulting Numbers: [1, 28] Generated Node #0,1,2: 63:[1, 28] Operation: 37-9=28 Exploring Operation: 9*1=9, Resulting Numbers: [37, 9] Generated Node #0,1,3: 63:[37, 9] Operation: 9*1=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[1, 28], Operations: ['55-54=1', '37-9=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,63 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[9, 36], Operations: ['55-54=1', '37-1=36'] Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,63 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[37, 9], Operations: ['55-54=1', '9/1=9'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[37, 9], Operations: ['55-54=1', '9*1=9'] Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,63 unequal: No Solution Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,63 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: 63:[55, 37, 63], Operations: ['9+54=63'] Exploring Operation: 55-37=18, Resulting Numbers: [63, 18] Generated Node #0,3,0: 63:[63, 18] Operation: 55-37=18 Exploring Operation: 63-55=8, Resulting Numbers: [37, 8] Generated Node #0,3,1: 63:[37, 8] Operation: 63-55=8 Exploring Operation: 55+37=92, Resulting Numbers: [63, 92] Generated Node #0,3,2: 63:[63, 92] Operation: 55+37=92 Exploring Operation: 63-37=26, Resulting Numbers: [55, 26] Generated Node #0,3,3: 63:[55, 26] Operation: 63-37=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[63, 18], Operations: ['9+54=63', '55-37=18'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 63*18=1134, Resulting Numbers: [1134] 1134,63 unequal: No Solution Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[55, 26], Operations: ['9+54=63', '63-37=26'] Exploring Operation: 55+26=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 55*26=1430, Resulting Numbers: [1430] 1430,63 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[37, 8], Operations: ['9+54=63', '63-55=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,63 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,63 unequal: No Solution Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[63, 92], Operations: ['9+54=63', '55+37=92'] Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,63 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,63 unequal: No Solution Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 63:[9, 3], Operations: ['55-37=18', '54/18=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[18, 63], Operations: ['55-37=18', '9+54=63'] Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,63 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[18, 6], Operations: ['55-37=18', '54/9=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,63 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,63 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[17, 64], Operations: ['54-37=17', '9+55=64'] Exploring Operation: 17*64=1088, Resulting Numbers: [1088] 1088,63 unequal: No Solution Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[9, 72], Operations: ['54-37=17', '55+17=72'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[9, 54, 55, 37], Operations: [] Exploring Operation: 54-37=17, Resulting Numbers: [9, 55, 17] Generated Node #0,2: 63:[9, 55, 17] Operation: 54-37=17 Moving to Node #0,2 Current State: 63:[9, 55, 17], Operations: ['54-37=17'] Exploring Operation: 55+17=72, Resulting Numbers: [9, 72] Generated Node #0,2,0: 63:[9, 72] Operation: 55+17=72 Moving to Node #0,2,0 Current State: 63:[9, 72], Operations: ['54-37=17', '55+17=72'] Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.942708
hs_4
mult_heuristic
[ 33, 62, 39, 47 ]
87
[ "33+62=95", "47-39=8", "95-8=87" ]
Current State: 87:[33, 62, 39, 47], Operations: [] Exploring Operation: 33+62=95, Resulting Numbers: [39, 47, 95] Generated Node #2: [39, 47, 95] from Operation: 33+62=95 Current State: 87:[39, 47, 95], Operations: ['33+62=95'] Exploring Operation: 47-39=8, Resulting Numbers: [95, 8] Generated Node #3: [95, 8] from Operation: 47-39=8 Current State: 87:[95, 8], Operations: ['33+62=95', '47-39=8'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[33, 62, 39, 47], Operations: [] Exploring Operation: 62-47=15, Resulting Numbers: [33, 39, 15] Generated Node #0,0: 87:[33, 39, 15] Operation: 62-47=15 Moving to Node #0,0 Current State: 87:[33, 39, 15], Operations: ['62-47=15'] Exploring Operation: 39-15=24, Resulting Numbers: [33, 24] Generated Node #0,0,0: 87:[33, 24] Operation: 39-15=24 Moving to Node #0,0,0 Current State: 87:[33, 24], Operations: ['62-47=15', '39-15=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,87 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 4, 24, 86, 35 ]
93
[ "4+24=28", "86+35=121", "121-28=93" ]
Current State: 93:[4, 24, 86, 35], Operations: [] Exploring Operation: 4+24=28, Resulting Numbers: [86, 35, 28] Generated Node #2: [86, 35, 28] from Operation: 4+24=28 Current State: 93:[86, 35, 28], Operations: ['4+24=28'] Exploring Operation: 86+35=121, Resulting Numbers: [28, 121] Generated Node #3: [28, 121] from Operation: 86+35=121 Current State: 93:[28, 121], Operations: ['4+24=28', '86+35=121'] Exploring Operation: 121-28=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[4, 24, 86, 35], Operations: [] Exploring Operation: 4+24=28, Resulting Numbers: [86, 35, 28] Generated Node #0,0: 93:[86, 35, 28] Operation: 4+24=28 Exploring Operation: 24/4=6, Resulting Numbers: [86, 35, 6] Generated Node #0,1: 93:[86, 35, 6] Operation: 24/4=6 Exploring Operation: 4*24=96, Resulting Numbers: [86, 35, 96] Generated Node #0,2: 93:[86, 35, 96] Operation: 4*24=96 Moving to Node #0,0 Current State: 93:[86, 35, 28], Operations: ['4+24=28'] Exploring Operation: 35-28=7, Resulting Numbers: [86, 7] Generated Node #0,0,0: 93:[86, 7] Operation: 35-28=7 Exploring Operation: 86-35=51, Resulting Numbers: [28, 51] Generated Node #0,0,1: 93:[28, 51] Operation: 86-35=51 Exploring Operation: 86+28=114, Resulting Numbers: [35, 114] Generated Node #0,0,2: 93:[35, 114] Operation: 86+28=114 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[86, 7], Operations: ['4+24=28', '35-28=7'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,93 unequal: No Solution Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,93 unequal: No Solution Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[4, 24, 86, 35], Operations: [] Exploring Operation: 4+24=28, Resulting Numbers: [86, 35, 28] Generated Node #0,0: 93:[86, 35, 28] Operation: 4+24=28 Moving to Node #0,0 Current State: 93:[86, 35, 28], Operations: ['4+24=28'] Exploring Operation: 35-28=7, Resulting Numbers: [86, 7] Generated Node #0,0,0: 93:[86, 7] Operation: 35-28=7 Moving to Node #0,0,0 Current State: 93:[86, 7], Operations: ['4+24=28', '35-28=7'] Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 21, 7, 35, 8 ]
46
[ "21/7=3", "35+8=43", "3+43=46" ]
Current State: 46:[21, 7, 35, 8], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [35, 8, 3] Generated Node #2: [35, 8, 3] from Operation: 21/7=3 Current State: 46:[35, 8, 3], Operations: ['21/7=3'] Exploring Operation: 35+8=43, Resulting Numbers: [3, 43] Generated Node #3: [3, 43] from Operation: 35+8=43 Current State: 46:[3, 43], Operations: ['21/7=3', '35+8=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[21, 7, 35, 8], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [21, 8, 5] Generated Node #0,0: 46:[21, 8, 5] Operation: 35/7=5 Exploring Operation: 7+35=42, Resulting Numbers: [21, 8, 42] Generated Node #0,1: 46:[21, 8, 42] Operation: 7+35=42 Exploring Operation: 35+8=43, Resulting Numbers: [21, 7, 43] Generated Node #0,2: 46:[21, 7, 43] Operation: 35+8=43 Exploring Operation: 35-8=27, Resulting Numbers: [21, 7, 27] Generated Node #0,3: 46:[21, 7, 27] Operation: 35-8=27 Exploring Operation: 35-7=28, Resulting Numbers: [21, 8, 28] Generated Node #0,4: 46:[21, 8, 28] Operation: 35-7=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[21, 7, 43], Operations: ['35+8=43'] Exploring Operation: 21+7=28, Resulting Numbers: [43, 28] Generated Node #0,2,0: 46:[43, 28] Operation: 21+7=28 Exploring Operation: 7+43=50, Resulting Numbers: [21, 50] Generated Node #0,2,1: 46:[21, 50] Operation: 7+43=50 Exploring Operation: 43-21=22, Resulting Numbers: [7, 22] Generated Node #0,2,2: 46:[7, 22] Operation: 43-21=22 Exploring Operation: 21/7=3, Resulting Numbers: [43, 3] Generated Node #0,2,3: 46:[43, 3] Operation: 21/7=3 Exploring Operation: 21-7=14, Resulting Numbers: [43, 14] Generated Node #0,2,4: 46:[43, 14] Operation: 21-7=14 Moving to Node #0,2,3 Current State: 46:[43, 3], Operations: ['35+8=43', '21/7=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,46 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[21, 7, 35, 8], Operations: [] Exploring Operation: 35+8=43, Resulting Numbers: [21, 7, 43] Generated Node #0,2: 46:[21, 7, 43] Operation: 35+8=43 Moving to Node #0,2 Current State: 46:[21, 7, 43], Operations: ['35+8=43'] Exploring Operation: 21/7=3, Resulting Numbers: [43, 3] Generated Node #0,2,3: 46:[43, 3] Operation: 21/7=3 Moving to Node #0,2,3 Current State: 46:[43, 3], Operations: ['35+8=43', '21/7=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 26, 11, 29, 13 ]
58
[ "26-11=15", "15-13=2", "29*2=58" ]
Current State: 58:[26, 11, 29, 13], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [29, 13, 15] Generated Node #2: [29, 13, 15] from Operation: 26-11=15 Current State: 58:[29, 13, 15], Operations: ['26-11=15'] Exploring Operation: 15-13=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 15-13=2 Current State: 58:[29, 2], Operations: ['26-11=15', '15-13=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[26, 11, 29, 13], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [26, 29, 2] Generated Node #0,0: 58:[26, 29, 2] Operation: 13-11=2 Exploring Operation: 11+13=24, Resulting Numbers: [26, 29, 24] Generated Node #0,1: 58:[26, 29, 24] Operation: 11+13=24 Exploring Operation: 26/13=2, Resulting Numbers: [11, 29, 2] Generated Node #0,2: 58:[11, 29, 2] Operation: 26/13=2 Exploring Operation: 26+11=37, Resulting Numbers: [29, 13, 37] Generated Node #0,3: 58:[29, 13, 37] Operation: 26+11=37 Exploring Operation: 26+13=39, Resulting Numbers: [11, 29, 39] Generated Node #0,4: 58:[11, 29, 39] Operation: 26+13=39 Moving to Node #0,0 Current State: 58:[26, 29, 2], Operations: ['13-11=2'] Exploring Operation: 26+2=28, Resulting Numbers: [29, 28] Generated Node #0,0,0: 58:[29, 28] Operation: 26+2=28 Exploring Operation: 26+29=55, Resulting Numbers: [2, 55] Generated Node #0,0,1: 58:[2, 55] Operation: 26+29=55 Exploring Operation: 26-2=24, Resulting Numbers: [29, 24] Generated Node #0,0,2: 58:[29, 24] Operation: 26-2=24 Exploring Operation: 29-26=3, Resulting Numbers: [2, 3] Generated Node #0,0,3: 58:[2, 3] Operation: 29-26=3 Exploring Operation: 29*2=58, Resulting Numbers: [26, 58] Generated Node #0,0,4: 58:[26, 58] Operation: 29*2=58 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 28], Operations: ['13-11=2', '26+2=28'] Exploring Operation: 29+28=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 29*28=812, Resulting Numbers: [812] 812,58 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[2, 3], Operations: ['13-11=2', '29-26=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[2, 55], Operations: ['13-11=2', '26+29=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 58:[26, 58], Operations: ['13-11=2', '29*2=58'] Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[29, 24], Operations: ['13-11=2', '26-2=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,58 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 58:[26, 29, 24], Operations: ['11+13=24'] Exploring Operation: 26+24=50, Resulting Numbers: [29, 50] Generated Node #0,1,0: 58:[29, 50] Operation: 26+24=50 Exploring Operation: 26-24=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 58:[29, 2] Operation: 26-24=2 Exploring Operation: 29-26=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 58:[24, 3] Operation: 29-26=3 Exploring Operation: 26+29=55, Resulting Numbers: [24, 55] Generated Node #0,1,3: 58:[24, 55] Operation: 26+29=55 Exploring Operation: 29-24=5, Resulting Numbers: [26, 5] Generated Node #0,1,4: 58:[26, 5] Operation: 29-24=5 Moving to Node #0,2 Current State: 58:[11, 29, 2], Operations: ['26/13=2'] Exploring Operation: 11+29=40, Resulting Numbers: [2, 40] Generated Node #0,2,0: 58:[2, 40] Operation: 11+29=40 Exploring Operation: 11*2=22, Resulting Numbers: [29, 22] Generated Node #0,2,1: 58:[29, 22] Operation: 11*2=22 Exploring Operation: 29-11=18, Resulting Numbers: [2, 18] Generated Node #0,2,2: 58:[2, 18] Operation: 29-11=18 Exploring Operation: 11-2=9, Resulting Numbers: [29, 9] Generated Node #0,2,3: 58:[29, 9] Operation: 11-2=9 Exploring Operation: 29*2=58, Resulting Numbers: [11, 58] Generated Node #0,2,4: 58:[11, 58] Operation: 29*2=58 Moving to Node #0,3 Current State: 58:[29, 13, 37], Operations: ['26+11=37'] Exploring Operation: 29+13=42, Resulting Numbers: [37, 42] Generated Node #0,3,0: 58:[37, 42] Operation: 29+13=42 Exploring Operation: 13+37=50, Resulting Numbers: [29, 50] Generated Node #0,3,1: 58:[29, 50] Operation: 13+37=50 Exploring Operation: 29+37=66, Resulting Numbers: [13, 66] Generated Node #0,3,2: 58:[13, 66] Operation: 29+37=66 Exploring Operation: 37-13=24, Resulting Numbers: [29, 24] Generated Node #0,3,3: 58:[29, 24] Operation: 37-13=24 Exploring Operation: 37-29=8, Resulting Numbers: [13, 8] Generated Node #0,3,4: 58:[13, 8] Operation: 37-29=8 Moving to Node #0,4 Current State: 58:[11, 29, 39], Operations: ['26+13=39'] Exploring Operation: 39-11=28, Resulting Numbers: [29, 28] Generated Node #0,4,0: 58:[29, 28] Operation: 39-11=28 Exploring Operation: 11+39=50, Resulting Numbers: [29, 50] Generated Node #0,4,1: 58:[29, 50] Operation: 11+39=50 Exploring Operation: 29+39=68, Resulting Numbers: [11, 68] Generated Node #0,4,2: 58:[11, 68] Operation: 29+39=68 Exploring Operation: 11+29=40, Resulting Numbers: [39, 40] Generated Node #0,4,3: 58:[39, 40] Operation: 11+29=40 Exploring Operation: 39-29=10, Resulting Numbers: [11, 10] Generated Node #0,4,4: 58:[11, 10] Operation: 39-29=10 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 58:[29, 28], Operations: ['26+13=39', '39-11=28'] Exploring Operation: 29*28=812, Resulting Numbers: [812] 812,58 unequal: No Solution Exploring Operation: 29+28=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 58:[29, 50], Operations: ['26+13=39', '11+39=50'] Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,58 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 58:[11, 10], Operations: ['26+13=39', '39-29=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,58 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 58:[11, 68], Operations: ['26+13=39', '29+39=68'] Exploring Operation: 11*68=748, Resulting Numbers: [748] 748,58 unequal: No Solution Exploring Operation: 11+68=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 68-11=57, Resulting Numbers: [57] 57,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 58:[39, 40], Operations: ['26+13=39', '11+29=40'] Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,58 unequal: No Solution Exploring Operation: 39*40=1560, Resulting Numbers: [1560] 1560,58 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: 58:[29, 2], Operations: ['11+13=24', '26-24=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[26, 11, 29, 13], Operations: [] Exploring Operation: 11+13=24, Resulting Numbers: [26, 29, 24] Generated Node #0,1: 58:[26, 29, 24] Operation: 11+13=24 Moving to Node #0,1 Current State: 58:[26, 29, 24], Operations: ['11+13=24'] Exploring Operation: 26-24=2, Resulting Numbers: [29, 2] Generated Node #0,1,1: 58:[29, 2] Operation: 26-24=2 Moving to Node #0,1,1 Current State: 58:[29, 2], Operations: ['11+13=24', '26-24=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.94184
hs_5
sum_heuristic
[ 7, 32, 94, 50 ]
32
[ "32+94=126", "126/7=18", "50-18=32" ]
Current State: 32:[7, 32, 94, 50], Operations: [] Exploring Operation: 32+94=126, Resulting Numbers: [7, 50, 126] Generated Node #2: [7, 50, 126] from Operation: 32+94=126 Current State: 32:[7, 50, 126], Operations: ['32+94=126'] Exploring Operation: 126/7=18, Resulting Numbers: [50, 18] Generated Node #3: [50, 18] from Operation: 126/7=18 Current State: 32:[50, 18], Operations: ['32+94=126', '126/7=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[7, 32, 94, 50], Operations: [] Exploring Operation: 94-50=44, Resulting Numbers: [7, 32, 44] Generated Node #0,0: 32:[7, 32, 44] Operation: 94-50=44 Exploring Operation: 94-32=62, Resulting Numbers: [7, 50, 62] Generated Node #0,1: 32:[7, 50, 62] Operation: 94-32=62 Exploring Operation: 50-32=18, Resulting Numbers: [7, 94, 18] Generated Node #0,2: 32:[7, 94, 18] Operation: 50-32=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[7, 32, 44], Operations: ['94-50=44'] Exploring Operation: 44-7=37, Resulting Numbers: [32, 37] Generated Node #0,0,0: 32:[32, 37] Operation: 44-7=37 Exploring Operation: 7+32=39, Resulting Numbers: [44, 39] Generated Node #0,0,1: 32:[44, 39] Operation: 7+32=39 Exploring Operation: 44-32=12, Resulting Numbers: [7, 12] Generated Node #0,0,2: 32:[7, 12] Operation: 44-32=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[32, 37], Operations: ['94-50=44', '44-7=37'] Exploring Operation: 32+37=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 37-32=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 32*37=1184, Resulting Numbers: [1184] 1184,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[7, 12], Operations: ['94-50=44', '44-32=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[44, 39], Operations: ['94-50=44', '7+32=39'] Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,32 unequal: No Solution Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,32 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,32 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: 32:[7, 50, 62], Operations: ['94-32=62'] Exploring Operation: 62-7=55, Resulting Numbers: [50, 55] Generated Node #0,1,0: 32:[50, 55] Operation: 62-7=55 Exploring Operation: 62-50=12, Resulting Numbers: [7, 12] Generated Node #0,1,1: 32:[7, 12] Operation: 62-50=12 Exploring Operation: 50-7=43, Resulting Numbers: [62, 43] Generated Node #0,1,2: 32:[62, 43] Operation: 50-7=43 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[7, 12], Operations: ['94-32=62', '62-50=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,32 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[50, 55], Operations: ['94-32=62', '62-7=55'] Exploring Operation: 50*55=2750, Resulting Numbers: [2750] 2750,32 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[62, 43], Operations: ['94-32=62', '50-7=43'] Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,32 unequal: No Solution Exploring Operation: 62+43=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 62*43=2666, Resulting Numbers: [2666] 2666,32 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: 32:[7, 94, 18], Operations: ['50-32=18'] Exploring Operation: 94-7=87, Resulting Numbers: [18, 87] Generated Node #0,2,0: 32:[18, 87] Operation: 94-7=87 Exploring Operation: 94-18=76, Resulting Numbers: [7, 76] Generated Node #0,2,1: 32:[7, 76] Operation: 94-18=76 Exploring Operation: 18-7=11, Resulting Numbers: [94, 11] Generated Node #0,2,2: 32:[94, 11] Operation: 18-7=11 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[7, 76], Operations: ['50-32=18', '94-18=76'] Exploring Operation: 7*76=532, Resulting Numbers: [532] 532,32 unequal: No Solution Exploring Operation: 7+76=83, Resulting Numbers: [83] 83,32 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[18, 87], Operations: ['50-32=18', '94-7=87'] Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,32 unequal: No Solution Exploring Operation: 18*87=1566, Resulting Numbers: [1566] 1566,32 unequal: No Solution Exploring Operation: 18+87=105, Resulting Numbers: [105] 105,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 32:[94, 11], Operations: ['50-32=18', '18-7=11'] Exploring Operation: 94+11=105, Resulting Numbers: [105] 105,32 unequal: No Solution Exploring Operation: 94*11=1034, Resulting Numbers: [1034] 1034,32 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 72, 2, 97, 28 ]
19
[ "72*2=144", "97+28=125", "144-125=19" ]
Current State: 19:[72, 2, 97, 28], Operations: [] Exploring Operation: 72*2=144, Resulting Numbers: [97, 28, 144] Generated Node #2: [97, 28, 144] from Operation: 72*2=144 Current State: 19:[97, 28, 144], Operations: ['72*2=144'] Exploring Operation: 97+28=125, Resulting Numbers: [144, 125] Generated Node #3: [144, 125] from Operation: 97+28=125 Current State: 19:[144, 125], Operations: ['72*2=144', '97+28=125'] Exploring Operation: 144-125=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[72, 2, 97, 28], Operations: [] Exploring Operation: 97-72=25, Resulting Numbers: [2, 28, 25] Generated Node #0,0: 19:[2, 28, 25] Operation: 97-72=25 Exploring Operation: 28/2=14, Resulting Numbers: [72, 97, 14] Generated Node #0,1: 19:[72, 97, 14] Operation: 28/2=14 Exploring Operation: 72/2=36, Resulting Numbers: [97, 28, 36] Generated Node #0,2: 19:[97, 28, 36] Operation: 72/2=36 Exploring Operation: 97-28=69, Resulting Numbers: [72, 2, 69] Generated Node #0,3: 19:[72, 2, 69] Operation: 97-28=69 Exploring Operation: 72-28=44, Resulting Numbers: [2, 97, 44] Generated Node #0,4: 19:[2, 97, 44] Operation: 72-28=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[2, 28, 25], Operations: ['97-72=25'] Exploring Operation: 28/2=14, Resulting Numbers: [25, 14] Generated Node #0,0,0: 19:[25, 14] Operation: 28/2=14 Exploring Operation: 25-2=23, Resulting Numbers: [28, 23] Generated Node #0,0,1: 19:[28, 23] Operation: 25-2=23 Exploring Operation: 2+28=30, Resulting Numbers: [25, 30] Generated Node #0,0,2: 19:[25, 30] Operation: 2+28=30 Exploring Operation: 28-2=26, Resulting Numbers: [25, 26] Generated Node #0,0,3: 19:[25, 26] Operation: 28-2=26 Exploring Operation: 2+25=27, Resulting Numbers: [28, 27] Generated Node #0,0,4: 19:[28, 27] Operation: 2+25=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[25, 14], Operations: ['97-72=25', '28/2=14'] Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,19 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[28, 23], Operations: ['97-72=25', '25-2=23'] Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,19 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 19:[25, 26], Operations: ['97-72=25', '28-2=26'] Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 25*26=650, Resulting Numbers: [650] 650,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[25, 30], Operations: ['97-72=25', '2+28=30'] Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 25*30=750, Resulting Numbers: [750] 750,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 19:[28, 27], Operations: ['97-72=25', '2+25=27'] Exploring Operation: 28+27=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 28*27=756, Resulting Numbers: [756] 756,19 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: 19:[97, 28, 36], Operations: ['72/2=36'] Exploring Operation: 97+36=133, Resulting Numbers: [28, 133] Generated Node #0,2,0: 19:[28, 133] Operation: 97+36=133 Exploring Operation: 36-28=8, Resulting Numbers: [97, 8] Generated Node #0,2,1: 19:[97, 8] Operation: 36-28=8 Exploring Operation: 97-28=69, Resulting Numbers: [36, 69] Generated Node #0,2,2: 19:[36, 69] Operation: 97-28=69 Exploring Operation: 97+28=125, Resulting Numbers: [36, 125] Generated Node #0,2,3: 19:[36, 125] Operation: 97+28=125 Exploring Operation: 97-36=61, Resulting Numbers: [28, 61] Generated Node #0,2,4: 19:[28, 61] Operation: 97-36=61 Moving to Node #0,2,4 Current State: 19:[28, 61], Operations: ['72/2=36', '97-36=61'] Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,19 unequal: No Solution Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[36, 69], Operations: ['72/2=36', '97-28=69'] Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 36*69=2484, Resulting Numbers: [2484] 2484,19 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[97, 8], Operations: ['72/2=36', '36-28=8'] Exploring Operation: 97+8=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 97*8=776, Resulting Numbers: [776] 776,19 unequal: No Solution Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[28, 133], Operations: ['72/2=36', '97+36=133'] Exploring Operation: 28*133=3724, Resulting Numbers: [3724] 3724,19 unequal: No Solution Exploring Operation: 133-28=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 28+133=161, Resulting Numbers: [161] 161,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[36, 125], Operations: ['72/2=36', '97+28=125'] Exploring Operation: 125-36=89, Resulting Numbers: [89] 89,19 unequal: No Solution Exploring Operation: 36*125=4500, Resulting Numbers: [4500] 4500,19 unequal: No Solution Exploring Operation: 36+125=161, Resulting Numbers: [161] 161,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[72, 2, 69], Operations: ['97-28=69'] Exploring Operation: 72-2=70, Resulting Numbers: [69, 70] Generated Node #0,3,0: 19:[69, 70] Operation: 72-2=70 Exploring Operation: 72-69=3, Resulting Numbers: [2, 3] Generated Node #0,3,1: 19:[2, 3] Operation: 72-69=3 Exploring Operation: 72/2=36, Resulting Numbers: [69, 36] Generated Node #0,3,2: 19:[69, 36] Operation: 72/2=36 Exploring Operation: 69-2=67, Resulting Numbers: [72, 67] Generated Node #0,3,3: 19:[72, 67] Operation: 69-2=67 Exploring Operation: 72+2=74, Resulting Numbers: [69, 74] Generated Node #0,3,4: 19:[69, 74] Operation: 72+2=74 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 19:[2, 3], Operations: ['97-28=69', '72-69=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 19:[69, 36], Operations: ['97-28=69', '72/2=36'] Exploring Operation: 69+36=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,19 unequal: No Solution Exploring Operation: 69*36=2484, Resulting Numbers: [2484] 2484,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 19:[69, 70], Operations: ['97-28=69', '72-2=70'] Exploring Operation: 70-69=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 69+70=139, Resulting Numbers: [139] 139,19 unequal: No Solution Exploring Operation: 69*70=4830, Resulting Numbers: [4830] 4830,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 19:[72, 67], Operations: ['97-28=69', '69-2=67'] Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 72*67=4824, Resulting Numbers: [4824] 4824,19 unequal: No Solution Exploring Operation: 72+67=139, Resulting Numbers: [139] 139,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 19:[69, 74], Operations: ['97-28=69', '72+2=74'] Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,19 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,19 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 19:[2, 97, 44], Operations: ['72-28=44'] Exploring Operation: 97-2=95, Resulting Numbers: [44, 95] Generated Node #0,4,0: 19:[44, 95] Operation: 97-2=95 Exploring Operation: 97-44=53, Resulting Numbers: [2, 53] Generated Node #0,4,1: 19:[2, 53] Operation: 97-44=53 Exploring Operation: 2+97=99, Resulting Numbers: [44, 99] Generated Node #0,4,2: 19:[44, 99] Operation: 2+97=99 Exploring Operation: 44-2=42, Resulting Numbers: [97, 42] Generated Node #0,4,3: 19:[97, 42] Operation: 44-2=42 Exploring Operation: 44/2=22, Resulting Numbers: [97, 22] Generated Node #0,4,4: 19:[97, 22] Operation: 44/2=22 Moving to Node #0,4,1 Current State: 19:[2, 53], Operations: ['72-28=44', '97-44=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,19 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[97, 22], Operations: ['72-28=44', '44/2=22'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,19 unequal: No Solution Exploring Operation: 97*22=2134, Resulting Numbers: [2134] 2134,19 unequal: No Solution Exploring Operation: 97+22=119, Resulting Numbers: [119] 119,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[44, 95], Operations: ['72-28=44', '97-2=95'] Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,19 unequal: No Solution Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 44*95=4180, Resulting Numbers: [4180] 4180,19 unequal: No Solution Moving to Node #0,4,3 Current State: 19:[97, 42], Operations: ['72-28=44', '44-2=42'] Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 97*42=4074, Resulting Numbers: [4074] 4074,19 unequal: No Solution Exploring Operation: 97+42=139, Resulting Numbers: [139] 139,19 unequal: No Solution Moving to Node #0,4,2 Current State: 19:[44, 99], Operations: ['72-28=44', '2+97=99'] Exploring Operation: 44+99=143, Resulting Numbers: [143] 143,19 unequal: No Solution Exploring Operation: 99-44=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 44*99=4356, Resulting Numbers: [4356] 4356,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[72, 97, 14], Operations: ['28/2=14'] Exploring Operation: 97-72=25, Resulting Numbers: [14, 25] Generated Node #0,1,0: 19:[14, 25] Operation: 97-72=25 Exploring Operation: 72+14=86, Resulting Numbers: [97, 86] Generated Node #0,1,1: 19:[97, 86] Operation: 72+14=86 Exploring Operation: 97+14=111, Resulting Numbers: [72, 111] Generated Node #0,1,2: 19:[72, 111] Operation: 97+14=111 Exploring Operation: 97-14=83, Resulting Numbers: [72, 83] Generated Node #0,1,3: 19:[72, 83] Operation: 97-14=83 Exploring Operation: 72-14=58, Resulting Numbers: [97, 58] Generated Node #0,1,4: 19:[97, 58] Operation: 72-14=58 Moving to Node #0,1,0 Current State: 19:[14, 25], Operations: ['28/2=14', '97-72=25'] Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,19 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,19 unequal: No Solution Moving to Node #0,1,4 Current State: 19:[97, 58], Operations: ['28/2=14', '72-14=58'] Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 97*58=5626, Resulting Numbers: [5626] 5626,19 unequal: No Solution Exploring Operation: 97+58=155, Resulting Numbers: [155] 155,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[72, 83], Operations: ['28/2=14', '97-14=83'] Exploring Operation: 72*83=5976, Resulting Numbers: [5976] 5976,19 unequal: No Solution Exploring Operation: 72+83=155, Resulting Numbers: [155] 155,19 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[97, 86], Operations: ['28/2=14', '72+14=86'] Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,19 unequal: No Solution Exploring Operation: 97*86=8342, Resulting Numbers: [8342] 8342,19 unequal: No Solution Exploring Operation: 97+86=183, Resulting Numbers: [183] 183,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[72, 111], Operations: ['28/2=14', '97+14=111'] Exploring Operation: 111-72=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 72*111=7992, Resulting Numbers: [7992] 7992,19 unequal: No Solution Exploring Operation: 72+111=183, Resulting Numbers: [183] 183,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 17, 35, 68, 99 ]
20
[ "68-35=33", "99/33=3", "17+3=20" ]
Current State: 20:[17, 35, 68, 99], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [17, 99, 33] Generated Node #2: [17, 99, 33] from Operation: 68-35=33 Current State: 20:[17, 99, 33], Operations: ['68-35=33'] Exploring Operation: 99/33=3, Resulting Numbers: [17, 3] Generated Node #3: [17, 3] from Operation: 99/33=3 Current State: 20:[17, 3], Operations: ['68-35=33', '99/33=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[17, 35, 68, 99], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [35, 99, 4] Generated Node #0,0: 20:[35, 99, 4] Operation: 68/17=4 Exploring Operation: 68-35=33, Resulting Numbers: [17, 99, 33] Generated Node #0,1: 20:[17, 99, 33] Operation: 68-35=33 Exploring Operation: 99-68=31, Resulting Numbers: [17, 35, 31] Generated Node #0,2: 20:[17, 35, 31] Operation: 99-68=31 Exploring Operation: 68-17=51, Resulting Numbers: [35, 99, 51] Generated Node #0,3: 20:[35, 99, 51] Operation: 68-17=51 Exploring Operation: 99-35=64, Resulting Numbers: [17, 68, 64] Generated Node #0,4: 20:[17, 68, 64] Operation: 99-35=64 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[17, 35, 31], Operations: ['99-68=31'] Exploring Operation: 17+35=52, Resulting Numbers: [31, 52] Generated Node #0,2,0: 20:[31, 52] Operation: 17+35=52 Exploring Operation: 35-17=18, Resulting Numbers: [31, 18] Generated Node #0,2,1: 20:[31, 18] Operation: 35-17=18 Exploring Operation: 17+31=48, Resulting Numbers: [35, 48] Generated Node #0,2,2: 20:[35, 48] Operation: 17+31=48 Exploring Operation: 35-31=4, Resulting Numbers: [17, 4] Generated Node #0,2,3: 20:[17, 4] Operation: 35-31=4 Exploring Operation: 31-17=14, Resulting Numbers: [35, 14] Generated Node #0,2,4: 20:[35, 14] Operation: 31-17=14 Moving to Node #0,2,3 Current State: 20:[17, 4], Operations: ['99-68=31', '35-31=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[31, 18], Operations: ['99-68=31', '35-17=18'] Exploring Operation: 31*18=558, Resulting Numbers: [558] 558,20 unequal: No Solution Exploring Operation: 31+18=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,20 unequal: No Solution Moving to Node #0,2,4 Current State: 20:[35, 14], Operations: ['99-68=31', '31-17=14'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,20 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[31, 52], Operations: ['99-68=31', '17+35=52'] Exploring Operation: 31*52=1612, Resulting Numbers: [1612] 1612,20 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 31+52=83, Resulting Numbers: [83] 83,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[35, 48], Operations: ['99-68=31', '17+31=48'] Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,20 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,20 unequal: No Solution Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[35, 99, 4], Operations: ['68/17=4'] Exploring Operation: 99-35=64, Resulting Numbers: [4, 64] Generated Node #0,0,0: 20:[4, 64] Operation: 99-35=64 Exploring Operation: 35-4=31, Resulting Numbers: [99, 31] Generated Node #0,0,1: 20:[99, 31] Operation: 35-4=31 Exploring Operation: 99+4=103, Resulting Numbers: [35, 103] Generated Node #0,0,2: 20:[35, 103] Operation: 99+4=103 Exploring Operation: 35+4=39, Resulting Numbers: [99, 39] Generated Node #0,0,3: 20:[99, 39] Operation: 35+4=39 Exploring Operation: 99-4=95, Resulting Numbers: [35, 95] Generated Node #0,0,4: 20:[35, 95] Operation: 99-4=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[4, 64], Operations: ['68/17=4', '99-35=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 4*64=256, Resulting Numbers: [256] 256,20 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[99, 31], Operations: ['68/17=4', '35-4=31'] Exploring Operation: 99*31=3069, Resulting Numbers: [3069] 3069,20 unequal: No Solution Exploring Operation: 99+31=130, Resulting Numbers: [130] 130,20 unequal: No Solution Exploring Operation: 99-31=68, Resulting Numbers: [68] 68,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 20:[35, 95], Operations: ['68/17=4', '99-4=95'] Exploring Operation: 95-35=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 35*95=3325, Resulting Numbers: [3325] 3325,20 unequal: No Solution Exploring Operation: 35+95=130, Resulting Numbers: [130] 130,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[35, 103], Operations: ['68/17=4', '99+4=103'] Exploring Operation: 35+103=138, Resulting Numbers: [138] 138,20 unequal: No Solution Exploring Operation: 35*103=3605, Resulting Numbers: [3605] 3605,20 unequal: No Solution Exploring Operation: 103-35=68, Resulting Numbers: [68] 68,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[99, 39], Operations: ['68/17=4', '35+4=39'] Exploring Operation: 99-39=60, Resulting Numbers: [60] 60,20 unequal: No Solution Exploring Operation: 99*39=3861, Resulting Numbers: [3861] 3861,20 unequal: No Solution Exploring Operation: 99+39=138, Resulting Numbers: [138] 138,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[17, 99, 33], Operations: ['68-35=33'] Exploring Operation: 99/33=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 20:[17, 3] Operation: 99/33=3 Exploring Operation: 17+99=116, Resulting Numbers: [33, 116] Generated Node #0,1,1: 20:[33, 116] Operation: 17+99=116 Exploring Operation: 33-17=16, Resulting Numbers: [99, 16] Generated Node #0,1,2: 20:[99, 16] Operation: 33-17=16 Exploring Operation: 99-33=66, Resulting Numbers: [17, 66] Generated Node #0,1,3: 20:[17, 66] Operation: 99-33=66 Exploring Operation: 99-17=82, Resulting Numbers: [33, 82] Generated Node #0,1,4: 20:[33, 82] Operation: 99-17=82 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[17, 3], Operations: ['68-35=33', '99/33=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[17, 35, 68, 99], Operations: [] Exploring Operation: 68-35=33, Resulting Numbers: [17, 99, 33] Generated Node #0,1: 20:[17, 99, 33] Operation: 68-35=33 Moving to Node #0,1 Current State: 20:[17, 99, 33], Operations: ['68-35=33'] Exploring Operation: 99/33=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 20:[17, 3] Operation: 99/33=3 Moving to Node #0,1,0 Current State: 20:[17, 3], Operations: ['68-35=33', '99/33=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 1, 29, 2, 26 ]
82
[ "1+29=30", "2*26=52", "30+52=82" ]
Current State: 82:[1, 29, 2, 26], Operations: [] Exploring Operation: 1+29=30, Resulting Numbers: [2, 26, 30] Generated Node #2: [2, 26, 30] from Operation: 1+29=30 Current State: 82:[2, 26, 30], Operations: ['1+29=30'] Exploring Operation: 2*26=52, Resulting Numbers: [30, 52] Generated Node #3: [30, 52] from Operation: 2*26=52 Current State: 82:[30, 52], Operations: ['1+29=30', '2*26=52'] Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[1, 29, 2, 26], Operations: [] Exploring Operation: 29-26=3, Resulting Numbers: [1, 2, 3] Generated Node #0,0: 82:[1, 2, 3] Operation: 29-26=3 Moving to Node #0,0 Current State: 82:[1, 2, 3], Operations: ['29-26=3'] Exploring Operation: 3-1=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 82:[2, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[2, 2], Operations: ['29-26=3', '3-1=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,82 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
[ 34, 24, 81, 3 ]
74
[ "34-24=10", "81+3=84", "84-10=74" ]
Current State: 74:[34, 24, 81, 3], Operations: [] Exploring Operation: 34-24=10, Resulting Numbers: [81, 3, 10] Generated Node #2: [81, 3, 10] from Operation: 34-24=10 Current State: 74:[81, 3, 10], Operations: ['34-24=10'] Exploring Operation: 81+3=84, Resulting Numbers: [10, 84] Generated Node #3: [10, 84] from Operation: 81+3=84 Current State: 74:[10, 84], Operations: ['34-24=10', '81+3=84'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[34, 24, 81, 3], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [34, 81, 72] Generated Node #0,0: 74:[34, 81, 72] Operation: 24*3=72 Exploring Operation: 34-24=10, Resulting Numbers: [81, 3, 10] Generated Node #0,1: 74:[81, 3, 10] Operation: 34-24=10 Exploring Operation: 24/3=8, Resulting Numbers: [34, 81, 8] Generated Node #0,2: 74:[34, 81, 8] Operation: 24/3=8 Moving to Node #0,0 Current State: 74:[34, 81, 72], Operations: ['24*3=72'] Exploring Operation: 81-34=47, Resulting Numbers: [72, 47] Generated Node #0,0,0: 74:[72, 47] Operation: 81-34=47 Exploring Operation: 72-34=38, Resulting Numbers: [81, 38] Generated Node #0,0,1: 74:[81, 38] Operation: 72-34=38 Exploring Operation: 81-72=9, Resulting Numbers: [34, 9] Generated Node #0,0,2: 74:[34, 9] Operation: 81-72=9 Moving to Node #0,1 Current State: 74:[81, 3, 10], Operations: ['34-24=10'] Exploring Operation: 81-10=71, Resulting Numbers: [3, 71] Generated Node #0,1,0: 74:[3, 71] Operation: 81-10=71 Exploring Operation: 10-3=7, Resulting Numbers: [81, 7] Generated Node #0,1,1: 74:[81, 7] Operation: 10-3=7 Exploring Operation: 81-3=78, Resulting Numbers: [10, 78] Generated Node #0,1,2: 74:[10, 78] Operation: 81-3=78 Moving to Node #0,2 Current State: 74:[34, 81, 8], Operations: ['24/3=8'] Exploring Operation: 81-34=47, Resulting Numbers: [8, 47] Generated Node #0,2,0: 74:[8, 47] Operation: 81-34=47 Exploring Operation: 34+8=42, Resulting Numbers: [81, 42] Generated Node #0,2,1: 74:[81, 42] Operation: 34+8=42 Exploring Operation: 81-8=73, Resulting Numbers: [34, 73] Generated Node #0,2,2: 74:[34, 73] Operation: 81-8=73 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[34, 73], Operations: ['24/3=8', '81-8=73'] Exploring Operation: 34*73=2482, Resulting Numbers: [2482] 2482,74 unequal: No Solution Exploring Operation: 34+73=107, Resulting Numbers: [107] 107,74 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,74 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 #0,2,1 Current State: 74:[81, 42], Operations: ['24/3=8', '34+8=42'] Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,74 unequal: No Solution Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,74 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,74 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 #0,2,0 Current State: 74:[8, 47], Operations: ['24/3=8', '81-34=47'] Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,74 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,74 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,74 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: 74:[3, 71], Operations: ['34-24=10', '81-10=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,74 unequal: No Solution Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[34, 24, 81, 3], Operations: [] Exploring Operation: 34-24=10, Resulting Numbers: [81, 3, 10] Generated Node #0,1: 74:[81, 3, 10] Operation: 34-24=10 Moving to Node #0,1 Current State: 74:[81, 3, 10], Operations: ['34-24=10'] Exploring Operation: 81-10=71, Resulting Numbers: [3, 71] Generated Node #0,1,0: 74:[3, 71] Operation: 81-10=71 Moving to Node #0,1,0 Current State: 74:[3, 71], Operations: ['34-24=10', '81-10=71'] Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 57, 62, 9, 91 ]
46
[ "62-57=5", "9*5=45", "91-45=46" ]
Current State: 46:[57, 62, 9, 91], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [9, 91, 5] Generated Node #2: [9, 91, 5] from Operation: 62-57=5 Current State: 46:[9, 91, 5], Operations: ['62-57=5'] Exploring Operation: 9*5=45, Resulting Numbers: [91, 45] Generated Node #3: [91, 45] from Operation: 9*5=45 Current State: 46:[91, 45], Operations: ['62-57=5', '9*5=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[57, 62, 9, 91], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [62, 9, 34] Generated Node #0,0: 46:[62, 9, 34] Operation: 91-57=34 Exploring Operation: 91-62=29, Resulting Numbers: [57, 9, 29] Generated Node #0,1: 46:[57, 9, 29] Operation: 91-62=29 Moving to Node #0,1 Current State: 46:[57, 9, 29], Operations: ['91-62=29'] Exploring Operation: 57-9=48, Resulting Numbers: [29, 48] Generated Node #0,1,0: 46:[29, 48] Operation: 57-9=48 Exploring Operation: 57-29=28, Resulting Numbers: [9, 28] Generated Node #0,1,1: 46:[9, 28] Operation: 57-29=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[29, 48], Operations: ['91-62=29', '57-9=48'] Exploring Operation: 29+48=77, Resulting Numbers: [77] 77,46 unequal: No Solution Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[9, 28], Operations: ['91-62=29', '57-29=28'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,46 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,46 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: 46:[62, 9, 34], Operations: ['91-57=34'] Exploring Operation: 62-9=53, Resulting Numbers: [34, 53] Generated Node #0,0,0: 46:[34, 53] Operation: 62-9=53 Exploring Operation: 62-34=28, Resulting Numbers: [9, 28] Generated Node #0,0,1: 46:[9, 28] Operation: 62-34=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[9, 28], Operations: ['91-57=34', '62-34=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[34, 53], Operations: ['91-57=34', '62-9=53'] Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,46 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,46 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
[ 39, 92, 94, 65 ]
52
[ "39+65=104", "94-92=2", "104/2=52" ]
Current State: 52:[39, 92, 94, 65], Operations: [] Exploring Operation: 39+65=104, Resulting Numbers: [92, 94, 104] Generated Node #2: [92, 94, 104] from Operation: 39+65=104 Current State: 52:[92, 94, 104], Operations: ['39+65=104'] Exploring Operation: 94-92=2, Resulting Numbers: [104, 2] Generated Node #3: [104, 2] from Operation: 94-92=2 Current State: 52:[104, 2], Operations: ['39+65=104', '94-92=2'] Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[39, 92, 94, 65], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [92, 65, 55] Generated Node #0,0: 52:[92, 65, 55] Operation: 94-39=55 Exploring Operation: 94-92=2, Resulting Numbers: [39, 65, 2] Generated Node #0,1: 52:[39, 65, 2] Operation: 94-92=2 Exploring Operation: 92-39=53, Resulting Numbers: [94, 65, 53] Generated Node #0,2: 52:[94, 65, 53] Operation: 92-39=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[39, 65, 2], Operations: ['94-92=2'] Exploring Operation: 65-39=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 52:[2, 26] Operation: 65-39=26 Exploring Operation: 39-2=37, Resulting Numbers: [65, 37] Generated Node #0,1,1: 52:[65, 37] Operation: 39-2=37 Exploring Operation: 39+2=41, Resulting Numbers: [65, 41] Generated Node #0,1,2: 52:[65, 41] Operation: 39+2=41 Moving to Node #0,1,0 Current State: 52:[2, 26], Operations: ['94-92=2', '65-39=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[39, 92, 94, 65], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [39, 65, 2] Generated Node #0,1: 52:[39, 65, 2] Operation: 94-92=2 Moving to Node #0,1 Current State: 52:[39, 65, 2], Operations: ['94-92=2'] Exploring Operation: 65-39=26, Resulting Numbers: [2, 26] Generated Node #0,1,0: 52:[2, 26] Operation: 65-39=26 Moving to Node #0,1,0 Current State: 52:[2, 26], Operations: ['94-92=2', '65-39=26'] Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 49, 88, 1, 92 ]
54
[ "88-49=39", "1+92=93", "93-39=54" ]
Current State: 54:[49, 88, 1, 92], Operations: [] Exploring Operation: 88-49=39, Resulting Numbers: [1, 92, 39] Generated Node #2: [1, 92, 39] from Operation: 88-49=39 Current State: 54:[1, 92, 39], Operations: ['88-49=39'] Exploring Operation: 1+92=93, Resulting Numbers: [39, 93] Generated Node #3: [39, 93] from Operation: 1+92=93 Current State: 54:[39, 93], Operations: ['88-49=39', '1+92=93'] Exploring Operation: 93-39=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[49, 88, 1, 92], Operations: [] Exploring Operation: 49+1=50, Resulting Numbers: [88, 92, 50] Generated Node #0,0: 54:[88, 92, 50] Operation: 49+1=50 Exploring Operation: 92-49=43, Resulting Numbers: [88, 1, 43] Generated Node #0,1: 54:[88, 1, 43] Operation: 92-49=43 Exploring Operation: 88-49=39, Resulting Numbers: [1, 92, 39] Generated Node #0,2: 54:[1, 92, 39] Operation: 88-49=39 Exploring Operation: 92-88=4, Resulting Numbers: [49, 1, 4] Generated Node #0,3: 54:[49, 1, 4] Operation: 92-88=4 Moving to Node #0,3 Current State: 54:[49, 1, 4], Operations: ['92-88=4'] Exploring Operation: 4-1=3, Resulting Numbers: [49, 3] Generated Node #0,3,0: 54:[49, 3] Operation: 4-1=3 Exploring Operation: 49+4=53, Resulting Numbers: [1, 53] Generated Node #0,3,1: 54:[1, 53] Operation: 49+4=53 Exploring Operation: 49*1=49, Resulting Numbers: [4, 49] Generated Node #0,3,2: 54:[4, 49] Operation: 49*1=49 Exploring Operation: 49+1=50, Resulting Numbers: [4, 50] Generated Node #0,3,3: 54:[4, 50] Operation: 49+1=50 Moving to Node #0,1 Current State: 54:[88, 1, 43], Operations: ['92-49=43'] Exploring Operation: 88-43=45, Resulting Numbers: [1, 45] Generated Node #0,1,0: 54:[1, 45] Operation: 88-43=45 Exploring Operation: 88*1=88, Resulting Numbers: [43, 88] Generated Node #0,1,1: 54:[43, 88] Operation: 88*1=88 Exploring Operation: 1+43=44, Resulting Numbers: [88, 44] Generated Node #0,1,2: 54:[88, 44] Operation: 1+43=44 Exploring Operation: 88-1=87, Resulting Numbers: [43, 87] Generated Node #0,1,3: 54:[43, 87] Operation: 88-1=87 Moving to Node #0,2 Current State: 54:[1, 92, 39], Operations: ['88-49=39'] Exploring Operation: 39-1=38, Resulting Numbers: [92, 38] Generated Node #0,2,0: 54:[92, 38] Operation: 39-1=38 Exploring Operation: 1*92=92, Resulting Numbers: [39, 92] Generated Node #0,2,1: 54:[39, 92] Operation: 1*92=92 Exploring Operation: 92-1=91, Resulting Numbers: [39, 91] Generated Node #0,2,2: 54:[39, 91] Operation: 92-1=91 Exploring Operation: 92-39=53, Resulting Numbers: [1, 53] Generated Node #0,2,3: 54:[1, 53] Operation: 92-39=53 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[1, 53], Operations: ['88-49=39', '92-39=53'] Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[49, 88, 1, 92], Operations: [] Exploring Operation: 88-49=39, Resulting Numbers: [1, 92, 39] Generated Node #0,2: 54:[1, 92, 39] Operation: 88-49=39 Moving to Node #0,2 Current State: 54:[1, 92, 39], Operations: ['88-49=39'] Exploring Operation: 92-39=53, Resulting Numbers: [1, 53] Generated Node #0,2,3: 54:[1, 53] Operation: 92-39=53 Moving to Node #0,2,3 Current State: 54:[1, 53], Operations: ['88-49=39', '92-39=53'] Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 20, 50, 93, 68 ]
10
[ "93-20=73", "73-68=5", "50/5=10" ]
Current State: 10:[20, 50, 93, 68], Operations: [] Exploring Operation: 93-20=73, Resulting Numbers: [50, 68, 73] Generated Node #2: [50, 68, 73] from Operation: 93-20=73 Current State: 10:[50, 68, 73], Operations: ['93-20=73'] Exploring Operation: 73-68=5, Resulting Numbers: [50, 5] Generated Node #3: [50, 5] from Operation: 73-68=5 Current State: 10:[50, 5], Operations: ['93-20=73', '73-68=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[20, 50, 93, 68], Operations: [] Exploring Operation: 93-50=43, Resulting Numbers: [20, 68, 43] Generated Node #0,0: 10:[20, 68, 43] Operation: 93-50=43 Exploring Operation: 93-68=25, Resulting Numbers: [20, 50, 25] Generated Node #0,1: 10:[20, 50, 25] Operation: 93-68=25 Moving to Node #0,1 Current State: 10:[20, 50, 25], Operations: ['93-68=25'] Exploring Operation: 50/25=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 10:[20, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [20, 25] Generated Node #0,1,1: 10:[20, 25] Operation: 50-25=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[20, 2], Operations: ['93-68=25', '50/25=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[20, 50, 93, 68], Operations: [] Exploring Operation: 93-68=25, Resulting Numbers: [20, 50, 25] Generated Node #0,1: 10:[20, 50, 25] Operation: 93-68=25 Moving to Node #0,1 Current State: 10:[20, 50, 25], Operations: ['93-68=25'] Exploring Operation: 50/25=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 10:[20, 2] Operation: 50/25=2 Moving to Node #0,1,0 Current State: 10:[20, 2], Operations: ['93-68=25', '50/25=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 11, 39, 28, 48 ]
30
[ "11+39=50", "48-28=20", "50-20=30" ]
Current State: 30:[11, 39, 28, 48], Operations: [] Exploring Operation: 11+39=50, Resulting Numbers: [28, 48, 50] Generated Node #2: [28, 48, 50] from Operation: 11+39=50 Current State: 30:[28, 48, 50], Operations: ['11+39=50'] Exploring Operation: 48-28=20, Resulting Numbers: [50, 20] Generated Node #3: [50, 20] from Operation: 48-28=20 Current State: 30:[50, 20], Operations: ['11+39=50', '48-28=20'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[11, 39, 28, 48], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [11, 28, 9] Generated Node #0,0: 30:[11, 28, 9] Operation: 48-39=9 Moving to Node #0,0 Current State: 30:[11, 28, 9], Operations: ['48-39=9'] Exploring Operation: 11-9=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 30:[28, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 30:[28, 2], Operations: ['48-39=9', '11-9=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[11, 39, 28, 48], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [11, 28, 9] Generated Node #0,0: 30:[11, 28, 9] Operation: 48-39=9 Moving to Node #0,0 Current State: 30:[11, 28, 9], Operations: ['48-39=9'] Exploring Operation: 11-9=2, Resulting Numbers: [28, 2] Generated Node #0,0,0: 30:[28, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 30:[28, 2], Operations: ['48-39=9', '11-9=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 27, 16, 8, 71 ]
68
[ "27-16=11", "8+71=79", "79-11=68" ]
Current State: 68:[27, 16, 8, 71], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [8, 71, 11] Generated Node #2: [8, 71, 11] from Operation: 27-16=11 Current State: 68:[8, 71, 11], Operations: ['27-16=11'] Exploring Operation: 8+71=79, Resulting Numbers: [11, 79] Generated Node #3: [11, 79] from Operation: 8+71=79 Current State: 68:[11, 79], Operations: ['27-16=11', '8+71=79'] Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[27, 16, 8, 71], Operations: [] Exploring Operation: 27+8=35, Resulting Numbers: [16, 71, 35] Generated Node #0,0: 68:[16, 71, 35] Operation: 27+8=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[16, 71, 35], Operations: ['27+8=35'] Exploring Operation: 71-35=36, Resulting Numbers: [16, 36] Generated Node #0,0,0: 68:[16, 36] Operation: 71-35=36 Moving to Node #0,0,0 Current State: 68:[16, 36], Operations: ['27+8=35', '71-35=36'] Exploring Operation: 36-16=20, Resulting Numbers: [20] 20,68 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
[ 63, 37, 32, 84 ]
13
[ "63*32=2016", "2016/84=24", "37-24=13" ]
Current State: 13:[63, 37, 32, 84], Operations: [] Exploring Operation: 63*32=2016, Resulting Numbers: [37, 84, 2016] Generated Node #2: [37, 84, 2016] from Operation: 63*32=2016 Current State: 13:[37, 84, 2016], Operations: ['63*32=2016'] Exploring Operation: 2016/84=24, Resulting Numbers: [37, 24] Generated Node #3: [37, 24] from Operation: 2016/84=24 Current State: 13:[37, 24], Operations: ['63*32=2016', '2016/84=24'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[63, 37, 32, 84], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [37, 32, 21] Generated Node #0,0: 13:[37, 32, 21] Operation: 84-63=21 Exploring Operation: 84-37=47, Resulting Numbers: [63, 32, 47] Generated Node #0,1: 13:[63, 32, 47] Operation: 84-37=47 Exploring Operation: 63-32=31, Resulting Numbers: [37, 84, 31] Generated Node #0,2: 13:[37, 84, 31] Operation: 63-32=31 Exploring Operation: 63-37=26, Resulting Numbers: [32, 84, 26] Generated Node #0,3: 13:[32, 84, 26] Operation: 63-37=26 Exploring Operation: 84-32=52, Resulting Numbers: [63, 37, 52] Generated Node #0,4: 13:[63, 37, 52] Operation: 84-32=52 Moving to Node #0,0 Current State: 13:[37, 32, 21], Operations: ['84-63=21'] Exploring Operation: 37-21=16, Resulting Numbers: [32, 16] Generated Node #0,0,0: 13:[32, 16] Operation: 37-21=16 Exploring Operation: 37-32=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 13:[21, 5] Operation: 37-32=5 Exploring Operation: 32-21=11, Resulting Numbers: [37, 11] Generated Node #0,0,2: 13:[37, 11] Operation: 32-21=11 Exploring Operation: 37+21=58, Resulting Numbers: [32, 58] Generated Node #0,0,3: 13:[32, 58] Operation: 37+21=58 Exploring Operation: 37+32=69, Resulting Numbers: [21, 69] Generated Node #0,0,4: 13:[21, 69] Operation: 37+32=69 Moving to Node #0,3 Current State: 13:[32, 84, 26], Operations: ['63-37=26'] Exploring Operation: 84-26=58, Resulting Numbers: [32, 58] Generated Node #0,3,0: 13:[32, 58] Operation: 84-26=58 Exploring Operation: 84-32=52, Resulting Numbers: [26, 52] Generated Node #0,3,1: 13:[26, 52] Operation: 84-32=52 Exploring Operation: 32+26=58, Resulting Numbers: [84, 58] Generated Node #0,3,2: 13:[84, 58] Operation: 32+26=58 Exploring Operation: 32+84=116, Resulting Numbers: [26, 116] Generated Node #0,3,3: 13:[26, 116] Operation: 32+84=116 Exploring Operation: 32-26=6, Resulting Numbers: [84, 6] Generated Node #0,3,4: 13:[84, 6] Operation: 32-26=6 Moving to Node #0,1 Current State: 13:[63, 32, 47], Operations: ['84-37=47'] Exploring Operation: 63-32=31, Resulting Numbers: [47, 31] Generated Node #0,1,0: 13:[47, 31] Operation: 63-32=31 Exploring Operation: 63+32=95, Resulting Numbers: [47, 95] Generated Node #0,1,1: 13:[47, 95] Operation: 63+32=95 Exploring Operation: 63-47=16, Resulting Numbers: [32, 16] Generated Node #0,1,2: 13:[32, 16] Operation: 63-47=16 Exploring Operation: 47-32=15, Resulting Numbers: [63, 15] Generated Node #0,1,3: 13:[63, 15] Operation: 47-32=15 Exploring Operation: 63+47=110, Resulting Numbers: [32, 110] Generated Node #0,1,4: 13:[32, 110] Operation: 63+47=110 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[32, 16], Operations: ['84-37=47', '63-47=16'] Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,13 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[47, 31], Operations: ['84-37=47', '63-32=31'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[63, 15], Operations: ['84-37=47', '47-32=15'] Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,13 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[47, 95], Operations: ['84-37=47', '63+32=95'] Exploring Operation: 95-47=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 47+95=142, Resulting Numbers: [142] 142,13 unequal: No Solution Exploring Operation: 47*95=4465, Resulting Numbers: [4465] 4465,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 13:[32, 110], Operations: ['84-37=47', '63+47=110'] Exploring Operation: 110-32=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 32*110=3520, Resulting Numbers: [3520] 3520,13 unequal: No Solution Exploring Operation: 32+110=142, Resulting Numbers: [142] 142,13 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: 13:[37, 84, 31], Operations: ['63-32=31'] Exploring Operation: 84-37=47, Resulting Numbers: [31, 47] Generated Node #0,2,0: 13:[31, 47] Operation: 84-37=47 Exploring Operation: 37+31=68, Resulting Numbers: [84, 68] Generated Node #0,2,1: 13:[84, 68] Operation: 37+31=68 Exploring Operation: 37+84=121, Resulting Numbers: [31, 121] Generated Node #0,2,2: 13:[31, 121] Operation: 37+84=121 Exploring Operation: 37-31=6, Resulting Numbers: [84, 6] Generated Node #0,2,3: 13:[84, 6] Operation: 37-31=6 Exploring Operation: 84-31=53, Resulting Numbers: [37, 53] Generated Node #0,2,4: 13:[37, 53] Operation: 84-31=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[31, 47], Operations: ['63-32=31', '84-37=47'] Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,13 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 13:[37, 53], Operations: ['63-32=31', '84-31=53'] Exploring Operation: 37*53=1961, Resulting Numbers: [1961] 1961,13 unequal: No Solution Exploring Operation: 37+53=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 53-37=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[84, 6], Operations: ['63-32=31', '37-31=6'] Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,13 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[84, 68], Operations: ['63-32=31', '37+31=68'] Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 84*68=5712, Resulting Numbers: [5712] 5712,13 unequal: No Solution Exploring Operation: 84+68=152, Resulting Numbers: [152] 152,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[31, 121], Operations: ['63-32=31', '37+84=121'] Exploring Operation: 31*121=3751, Resulting Numbers: [3751] 3751,13 unequal: No Solution Exploring Operation: 31+121=152, Resulting Numbers: [152] 152,13 unequal: No Solution Exploring Operation: 121-31=90, Resulting Numbers: [90] 90,13 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: 13:[63, 37, 52], Operations: ['84-32=52'] Exploring Operation: 63+52=115, Resulting Numbers: [37, 115] Generated Node #0,4,0: 13:[37, 115] Operation: 63+52=115 Exploring Operation: 63-37=26, Resulting Numbers: [52, 26] Generated Node #0,4,1: 13:[52, 26] Operation: 63-37=26 Exploring Operation: 52-37=15, Resulting Numbers: [63, 15] Generated Node #0,4,2: 13:[63, 15] Operation: 52-37=15 Exploring Operation: 63+37=100, Resulting Numbers: [52, 100] Generated Node #0,4,3: 13:[52, 100] Operation: 63+37=100 Exploring Operation: 63-52=11, Resulting Numbers: [37, 11] Generated Node #0,4,4: 13:[37, 11] Operation: 63-52=11 Moving to Node #0,0,1 Current State: 13:[21, 5], Operations: ['84-63=21', '37-32=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[32, 16], Operations: ['84-63=21', '37-21=16'] Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[37, 11], Operations: ['84-63=21', '32-21=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,13 unequal: No Solution Moving to Node #0,4,4 Current State: 13:[37, 11], Operations: ['84-32=52', '63-52=11'] Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,13 unequal: No Solution Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[26, 52], Operations: ['63-37=26', '84-32=52'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 26*52=1352, Resulting Numbers: [1352] 1352,13 unequal: No Solution Exploring Operation: 26+52=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,13 unequal: No Solution Moving to Node #0,4,2 Current State: 13:[63, 15], Operations: ['84-32=52', '52-37=15'] Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,13 unequal: No Solution Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,13 unequal: No Solution Moving to Node #0,4,1 Current State: 13:[52, 26], Operations: ['84-32=52', '63-37=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,13 unequal: No Solution Moving to Node #0,3,0 Current State: 13:[32, 58], Operations: ['63-37=26', '84-26=58'] Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,13 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[21, 69], Operations: ['84-63=21', '37+32=69'] Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,13 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[32, 58], Operations: ['84-63=21', '37+21=58'] Exploring Operation: 32*58=1856, Resulting Numbers: [1856] 1856,13 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 32+58=90, Resulting Numbers: [90] 90,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[84, 6], Operations: ['63-37=26', '32-26=6'] Exploring Operation: 84*6=504, Resulting Numbers: [504] 504,13 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[84, 58], Operations: ['63-37=26', '32+26=58'] Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,13 unequal: No Solution Exploring Operation: 84*58=4872, Resulting Numbers: [4872] 4872,13 unequal: No Solution Exploring Operation: 84+58=142, Resulting Numbers: [142] 142,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[26, 116], Operations: ['63-37=26', '32+84=116'] Exploring Operation: 26+116=142, Resulting Numbers: [142] 142,13 unequal: No Solution Exploring Operation: 26*116=3016, Resulting Numbers: [3016] 3016,13 unequal: No Solution Exploring Operation: 116-26=90, Resulting Numbers: [90] 90,13 unequal: No Solution Moving to Node #0,4,0 Current State: 13:[37, 115], Operations: ['84-32=52', '63+52=115'] Exploring Operation: 37*115=4255, Resulting Numbers: [4255] 4255,13 unequal: No Solution Exploring Operation: 115-37=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 37+115=152, Resulting Numbers: [152] 152,13 unequal: No Solution Moving to Node #0,4,3 Current State: 13:[52, 100], Operations: ['84-32=52', '63+37=100'] Exploring Operation: 52*100=5200, Resulting Numbers: [5200] 5200,13 unequal: No Solution Exploring Operation: 52+100=152, Resulting Numbers: [152] 152,13 unequal: No Solution Exploring Operation: 100-52=48, Resulting Numbers: [48] 48,13 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 70, 6, 64, 47 ]
35
[ "70+6=76", "64+47=111", "111-76=35" ]
Current State: 35:[70, 6, 64, 47], Operations: [] Exploring Operation: 70+6=76, Resulting Numbers: [64, 47, 76] Generated Node #2: [64, 47, 76] from Operation: 70+6=76 Current State: 35:[64, 47, 76], Operations: ['70+6=76'] Exploring Operation: 64+47=111, Resulting Numbers: [76, 111] Generated Node #3: [76, 111] from Operation: 64+47=111 Current State: 35:[76, 111], Operations: ['70+6=76', '64+47=111'] Exploring Operation: 111-76=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[70, 6, 64, 47], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [6, 47, 6] Generated Node #0,0: 35:[6, 47, 6] Operation: 70-64=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[6, 47, 6], Operations: ['70-64=6'] Exploring Operation: 47-6=41, Resulting Numbers: [6, 41] Generated Node #0,0,0: 35:[6, 41] Operation: 47-6=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[6, 41], Operations: ['70-64=6', '47-6=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[70, 6, 64, 47], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [6, 47, 6] Generated Node #0,0: 35:[6, 47, 6] Operation: 70-64=6 Moving to Node #0,0 Current State: 35:[6, 47, 6], Operations: ['70-64=6'] Exploring Operation: 47-6=41, Resulting Numbers: [6, 41] Generated Node #0,0,0: 35:[6, 41] Operation: 47-6=41 Moving to Node #0,0,0 Current State: 35:[6, 41], Operations: ['70-64=6', '47-6=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 50, 11, 37, 29 ]
47
[ "50-11=39", "37-29=8", "39+8=47" ]
Current State: 47:[50, 11, 37, 29], Operations: [] Exploring Operation: 50-11=39, Resulting Numbers: [37, 29, 39] Generated Node #2: [37, 29, 39] from Operation: 50-11=39 Current State: 47:[37, 29, 39], Operations: ['50-11=39'] Exploring Operation: 37-29=8, Resulting Numbers: [39, 8] Generated Node #3: [39, 8] from Operation: 37-29=8 Current State: 47:[39, 8], Operations: ['50-11=39', '37-29=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[50, 11, 37, 29], Operations: [] Exploring Operation: 11+29=40, Resulting Numbers: [50, 37, 40] Generated Node #0,0: 47:[50, 37, 40] Operation: 11+29=40 Exploring Operation: 11+37=48, Resulting Numbers: [50, 29, 48] Generated Node #0,1: 47:[50, 29, 48] Operation: 11+37=48 Exploring Operation: 50+11=61, Resulting Numbers: [37, 29, 61] Generated Node #0,2: 47:[37, 29, 61] Operation: 50+11=61 Exploring Operation: 50-11=39, Resulting Numbers: [37, 29, 39] Generated Node #0,3: 47:[37, 29, 39] Operation: 50-11=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[50, 37, 40], Operations: ['11+29=40'] Exploring Operation: 50-40=10, Resulting Numbers: [37, 10] Generated Node #0,0,0: 47:[37, 10] Operation: 50-40=10 Exploring Operation: 37+40=77, Resulting Numbers: [50, 77] Generated Node #0,0,1: 47:[50, 77] Operation: 37+40=77 Exploring Operation: 50-37=13, Resulting Numbers: [40, 13] Generated Node #0,0,2: 47:[40, 13] Operation: 50-37=13 Exploring Operation: 50+37=87, Resulting Numbers: [40, 87] Generated Node #0,0,3: 47:[40, 87] Operation: 50+37=87 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[50, 77], Operations: ['11+29=40', '37+40=77'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,47 unequal: No Solution Exploring Operation: 50+77=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 50*77=3850, Resulting Numbers: [3850] 3850,47 unequal: No Solution No 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: 47:[40, 13], Operations: ['11+29=40', '50-37=13'] Exploring Operation: 40+13=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 40*13=520, Resulting Numbers: [520] 520,47 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,47 unequal: No Solution No 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: 47:[37, 10], Operations: ['11+29=40', '50-40=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[50, 11, 37, 29], Operations: [] Exploring Operation: 11+29=40, Resulting Numbers: [50, 37, 40] Generated Node #0,0: 47:[50, 37, 40] Operation: 11+29=40 Moving to Node #0,0 Current State: 47:[50, 37, 40], Operations: ['11+29=40'] Exploring Operation: 50-40=10, Resulting Numbers: [37, 10] Generated Node #0,0,0: 47:[37, 10] Operation: 50-40=10 Moving to Node #0,0,0 Current State: 47:[37, 10], Operations: ['11+29=40', '50-40=10'] Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 76, 7, 49, 75 ]
95
[ "76-7=69", "75-49=26", "69+26=95" ]
Current State: 95:[76, 7, 49, 75], Operations: [] Exploring Operation: 76-7=69, Resulting Numbers: [49, 75, 69] Generated Node #2: [49, 75, 69] from Operation: 76-7=69 Current State: 95:[49, 75, 69], Operations: ['76-7=69'] Exploring Operation: 75-49=26, Resulting Numbers: [69, 26] Generated Node #3: [69, 26] from Operation: 75-49=26 Current State: 95:[69, 26], Operations: ['76-7=69', '75-49=26'] Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[76, 7, 49, 75], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [76, 7, 26] Generated Node #0,0: 95:[76, 7, 26] Operation: 75-49=26 Exploring Operation: 76-75=1, Resulting Numbers: [7, 49, 1] Generated Node #0,1: 95:[7, 49, 1] Operation: 76-75=1 Exploring Operation: 76-49=27, Resulting Numbers: [7, 75, 27] Generated Node #0,2: 95:[7, 75, 27] Operation: 76-49=27 Exploring Operation: 49/7=7, Resulting Numbers: [76, 75, 7] Generated Node #0,3: 95:[76, 75, 7] Operation: 49/7=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[76, 7, 26], Operations: ['75-49=26'] Exploring Operation: 76-7=69, Resulting Numbers: [26, 69] Generated Node #0,0,0: 95:[26, 69] Operation: 76-7=69 Exploring Operation: 26-7=19, Resulting Numbers: [76, 19] Generated Node #0,0,1: 95:[76, 19] Operation: 26-7=19 Exploring Operation: 76+7=83, Resulting Numbers: [26, 83] Generated Node #0,0,2: 95:[26, 83] Operation: 76+7=83 Exploring Operation: 76+26=102, Resulting Numbers: [7, 102] Generated Node #0,0,3: 95:[7, 102] Operation: 76+26=102 Moving to Node #0,0,3 Current State: 95:[7, 102], Operations: ['75-49=26', '76+26=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[76, 7, 49, 75], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [76, 7, 26] Generated Node #0,0: 95:[76, 7, 26] Operation: 75-49=26 Moving to Node #0,0 Current State: 95:[76, 7, 26], Operations: ['75-49=26'] Exploring Operation: 76+26=102, Resulting Numbers: [7, 102] Generated Node #0,0,3: 95:[7, 102] Operation: 76+26=102 Moving to Node #0,0,3 Current State: 95:[7, 102], Operations: ['75-49=26', '76+26=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 27, 2, 69, 40 ]
41
[ "69-27=42", "40+42=82", "82/2=41" ]
Current State: 41:[27, 2, 69, 40], Operations: [] Exploring Operation: 69-27=42, Resulting Numbers: [2, 40, 42] Generated Node #2: [2, 40, 42] from Operation: 69-27=42 Current State: 41:[2, 40, 42], Operations: ['69-27=42'] Exploring Operation: 40+42=82, Resulting Numbers: [2, 82] Generated Node #3: [2, 82] from Operation: 40+42=82 Current State: 41:[2, 82], Operations: ['69-27=42', '40+42=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[27, 2, 69, 40], Operations: [] Exploring Operation: 27+2=29, Resulting Numbers: [69, 40, 29] Generated Node #0,0: 41:[69, 40, 29] Operation: 27+2=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[69, 40, 29], Operations: ['27+2=29'] Exploring Operation: 69-29=40, Resulting Numbers: [40, 40] Generated Node #0,0,0: 41:[40, 40] Operation: 69-29=40 Moving to Node #0,0,0 Current State: 41:[40, 40], Operations: ['27+2=29', '69-29=40'] Exploring Operation: 40+40=80, Resulting Numbers: [80] 80,41 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
[ 32, 78, 35, 58 ]
38
[ "58-32=26", "78/26=3", "35+3=38" ]
Current State: 38:[32, 78, 35, 58], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [78, 35, 26] Generated Node #2: [78, 35, 26] from Operation: 58-32=26 Current State: 38:[78, 35, 26], Operations: ['58-32=26'] Exploring Operation: 78/26=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 78/26=3 Current State: 38:[35, 3], Operations: ['58-32=26', '78/26=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[32, 78, 35, 58], Operations: [] Exploring Operation: 78-58=20, Resulting Numbers: [32, 35, 20] Generated Node #0,0: 38:[32, 35, 20] Operation: 78-58=20 Exploring Operation: 78-32=46, Resulting Numbers: [35, 58, 46] Generated Node #0,1: 38:[35, 58, 46] Operation: 78-32=46 Exploring Operation: 78-35=43, Resulting Numbers: [32, 58, 43] Generated Node #0,2: 38:[32, 58, 43] Operation: 78-35=43 Moving to Node #0,0 Current State: 38:[32, 35, 20], Operations: ['78-58=20'] Exploring Operation: 35-32=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 38:[20, 3] Operation: 35-32=3 Exploring Operation: 32-20=12, Resulting Numbers: [35, 12] Generated Node #0,0,1: 38:[35, 12] Operation: 32-20=12 Exploring Operation: 35-20=15, Resulting Numbers: [32, 15] Generated Node #0,0,2: 38:[32, 15] Operation: 35-20=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[20, 3], Operations: ['78-58=20', '35-32=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[35, 12], Operations: ['78-58=20', '32-20=12'] Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,38 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[32, 15], Operations: ['78-58=20', '35-20=15'] Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,38 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 38:[35, 58, 46], Operations: ['78-32=46'] Exploring Operation: 58-46=12, Resulting Numbers: [35, 12] Generated Node #0,1,0: 38:[35, 12] Operation: 58-46=12 Exploring Operation: 58-35=23, Resulting Numbers: [46, 23] Generated Node #0,1,1: 38:[46, 23] Operation: 58-35=23 Exploring Operation: 46-35=11, Resulting Numbers: [58, 11] Generated Node #0,1,2: 38:[58, 11] Operation: 46-35=11 Moving to Node #0,2 Current State: 38:[32, 58, 43], Operations: ['78-35=43'] Exploring Operation: 43-32=11, Resulting Numbers: [58, 11] Generated Node #0,2,0: 38:[58, 11] Operation: 43-32=11 Exploring Operation: 58-32=26, Resulting Numbers: [43, 26] Generated Node #0,2,1: 38:[43, 26] Operation: 58-32=26 Exploring Operation: 58-43=15, Resulting Numbers: [32, 15] Generated Node #0,2,2: 38:[32, 15] Operation: 58-43=15 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[32, 15], Operations: ['78-35=43', '58-43=15'] Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,38 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[43, 26], Operations: ['78-35=43', '58-32=26'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[58, 11], Operations: ['78-35=43', '43-32=11'] Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,38 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,38 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: 38:[35, 12], Operations: ['78-32=46', '58-46=12'] Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,38 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[46, 23], Operations: ['78-32=46', '58-35=23'] Exploring Operation: 46+23=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[58, 11], Operations: ['78-32=46', '46-35=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,38 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,38 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 24, 66, 30, 38 ]
82
[ "24+66=90", "38-30=8", "90-8=82" ]
Current State: 82:[24, 66, 30, 38], Operations: [] Exploring Operation: 24+66=90, Resulting Numbers: [30, 38, 90] Generated Node #2: [30, 38, 90] from Operation: 24+66=90 Current State: 82:[30, 38, 90], Operations: ['24+66=90'] Exploring Operation: 38-30=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 38-30=8 Current State: 82:[90, 8], Operations: ['24+66=90', '38-30=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[24, 66, 30, 38], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [24, 38, 36] Generated Node #0,0: 82:[24, 38, 36] Operation: 66-30=36 Exploring Operation: 66-24=42, Resulting Numbers: [30, 38, 42] Generated Node #0,1: 82:[30, 38, 42] Operation: 66-24=42 Exploring Operation: 30-24=6, Resulting Numbers: [66, 38, 6] Generated Node #0,2: 82:[66, 38, 6] Operation: 30-24=6 Exploring Operation: 24+66=90, Resulting Numbers: [30, 38, 90] Generated Node #0,3: 82:[30, 38, 90] Operation: 24+66=90 Moving to Node #0,1 Current State: 82:[30, 38, 42], Operations: ['66-24=42'] Exploring Operation: 42-30=12, Resulting Numbers: [38, 12] Generated Node #0,1,0: 82:[38, 12] Operation: 42-30=12 Exploring Operation: 30+42=72, Resulting Numbers: [38, 72] Generated Node #0,1,1: 82:[38, 72] Operation: 30+42=72 Exploring Operation: 38+42=80, Resulting Numbers: [30, 80] Generated Node #0,1,2: 82:[30, 80] Operation: 38+42=80 Exploring Operation: 38-30=8, Resulting Numbers: [42, 8] Generated Node #0,1,3: 82:[42, 8] Operation: 38-30=8 Moving to Node #0,3 Current State: 82:[30, 38, 90], Operations: ['24+66=90'] Exploring Operation: 90-30=60, Resulting Numbers: [38, 60] Generated Node #0,3,0: 82:[38, 60] Operation: 90-30=60 Exploring Operation: 90/30=3, Resulting Numbers: [38, 3] Generated Node #0,3,1: 82:[38, 3] Operation: 90/30=3 Exploring Operation: 30+38=68, Resulting Numbers: [90, 68] Generated Node #0,3,2: 82:[90, 68] Operation: 30+38=68 Exploring Operation: 38-30=8, Resulting Numbers: [90, 8] Generated Node #0,3,3: 82:[90, 8] Operation: 38-30=8 Moving to Node #0,2 Current State: 82:[66, 38, 6], Operations: ['30-24=6'] Exploring Operation: 38+6=44, Resulting Numbers: [66, 44] Generated Node #0,2,0: 82:[66, 44] Operation: 38+6=44 Exploring Operation: 66+6=72, Resulting Numbers: [38, 72] Generated Node #0,2,1: 82:[38, 72] Operation: 66+6=72 Exploring Operation: 66-38=28, Resulting Numbers: [6, 28] Generated Node #0,2,2: 82:[6, 28] Operation: 66-38=28 Exploring Operation: 66/6=11, Resulting Numbers: [38, 11] Generated Node #0,2,3: 82:[38, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 82:[38, 11], Operations: ['30-24=6', '66/6=11'] Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,82 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,82 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[38, 72], Operations: ['30-24=6', '66+6=72'] Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 38*72=2736, Resulting Numbers: [2736] 2736,82 unequal: No Solution Exploring Operation: 38+72=110, Resulting Numbers: [110] 110,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[6, 28], Operations: ['30-24=6', '66-38=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,82 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[66, 44], Operations: ['30-24=6', '38+6=44'] Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,82 unequal: No Solution Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,82 unequal: No Solution Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,82 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: 82:[24, 38, 36], Operations: ['66-30=36'] Exploring Operation: 36-24=12, Resulting Numbers: [38, 12] Generated Node #0,0,0: 82:[38, 12] Operation: 36-24=12 Exploring Operation: 38-36=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 82:[24, 2] Operation: 38-36=2 Exploring Operation: 38-24=14, Resulting Numbers: [36, 14] Generated Node #0,0,2: 82:[36, 14] Operation: 38-24=14 Exploring Operation: 24+36=60, Resulting Numbers: [38, 60] Generated Node #0,0,3: 82:[38, 60] Operation: 24+36=60 Moving to Node #0,3,1 Current State: 82:[38, 3], Operations: ['24+66=90', '90/30=3'] Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[42, 8], Operations: ['66-24=42', '38-30=8'] Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,82 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[38, 72], Operations: ['66-24=42', '30+42=72'] Exploring Operation: 38*72=2736, Resulting Numbers: [2736] 2736,82 unequal: No Solution Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 38+72=110, Resulting Numbers: [110] 110,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[38, 12], Operations: ['66-24=42', '42-30=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,82 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[30, 80], Operations: ['66-24=42', '38+42=80'] Exploring Operation: 30*80=2400, Resulting Numbers: [2400] 2400,82 unequal: No Solution Exploring Operation: 30+80=110, Resulting Numbers: [110] 110,82 unequal: No Solution Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[38, 12], Operations: ['66-30=36', '36-24=12'] Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,82 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,82 unequal: No Solution Moving to Node #0,3,3 Current State: 82:[90, 8], Operations: ['24+66=90', '38-30=8'] Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,82 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[24, 66, 30, 38], Operations: [] Exploring Operation: 24+66=90, Resulting Numbers: [30, 38, 90] Generated Node #0,3: 82:[30, 38, 90] Operation: 24+66=90 Moving to Node #0,3 Current State: 82:[30, 38, 90], Operations: ['24+66=90'] Exploring Operation: 38-30=8, Resulting Numbers: [90, 8] Generated Node #0,3,3: 82:[90, 8] Operation: 38-30=8 Moving to Node #0,3,3 Current State: 82:[90, 8], Operations: ['24+66=90', '38-30=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.951389
hs_4
sum_heuristic
[ 85, 72, 3, 24 ]
40
[ "85-72=13", "3+24=27", "13+27=40" ]
Current State: 40:[85, 72, 3, 24], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [3, 24, 13] Generated Node #2: [3, 24, 13] from Operation: 85-72=13 Current State: 40:[3, 24, 13], Operations: ['85-72=13'] Exploring Operation: 3+24=27, Resulting Numbers: [13, 27] Generated Node #3: [13, 27] from Operation: 3+24=27 Current State: 40:[13, 27], Operations: ['85-72=13', '3+24=27'] Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[85, 72, 3, 24], Operations: [] Exploring Operation: 85-24=61, Resulting Numbers: [72, 3, 61] Generated Node #0,0: 40:[72, 3, 61] Operation: 85-24=61 Exploring Operation: 72-24=48, Resulting Numbers: [85, 3, 48] Generated Node #0,1: 40:[85, 3, 48] Operation: 72-24=48 Exploring Operation: 72/24=3, Resulting Numbers: [85, 3, 3] Generated Node #0,2: 40:[85, 3, 3] Operation: 72/24=3 Exploring Operation: 85-72=13, Resulting Numbers: [3, 24, 13] Generated Node #0,3: 40:[3, 24, 13] Operation: 85-72=13 Exploring Operation: 72/3=24, Resulting Numbers: [85, 24, 24] Generated Node #0,4: 40:[85, 24, 24] Operation: 72/3=24 Moving to Node #0,3 Current State: 40:[3, 24, 13], Operations: ['85-72=13'] Exploring Operation: 24+13=37, Resulting Numbers: [3, 37] Generated Node #0,3,0: 40:[3, 37] Operation: 24+13=37 Exploring Operation: 13-3=10, Resulting Numbers: [24, 10] Generated Node #0,3,1: 40:[24, 10] Operation: 13-3=10 Exploring Operation: 24-3=21, Resulting Numbers: [13, 21] Generated Node #0,3,2: 40:[13, 21] Operation: 24-3=21 Exploring Operation: 24/3=8, Resulting Numbers: [13, 8] Generated Node #0,3,3: 40:[13, 8] Operation: 24/3=8 Exploring Operation: 24-13=11, Resulting Numbers: [3, 11] Generated Node #0,3,4: 40:[3, 11] Operation: 24-13=11 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 40:[3, 11], Operations: ['85-72=13', '24-13=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,40 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 #0,3,3 Current State: 40:[13, 8], Operations: ['85-72=13', '24/3=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,40 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 #0,3,0 Current State: 40:[3, 37], Operations: ['85-72=13', '24+13=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[85, 72, 3, 24], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [3, 24, 13] Generated Node #0,3: 40:[3, 24, 13] Operation: 85-72=13 Moving to Node #0,3 Current State: 40:[3, 24, 13], Operations: ['85-72=13'] Exploring Operation: 24+13=37, Resulting Numbers: [3, 37] Generated Node #0,3,0: 40:[3, 37] Operation: 24+13=37 Moving to Node #0,3,0 Current State: 40:[3, 37], Operations: ['85-72=13', '24+13=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 91, 16, 31, 3 ]
86
[ "31-16=15", "15/3=5", "91-5=86" ]
Current State: 86:[91, 16, 31, 3], Operations: [] Exploring Operation: 31-16=15, Resulting Numbers: [91, 3, 15] Generated Node #2: [91, 3, 15] from Operation: 31-16=15 Current State: 86:[91, 3, 15], Operations: ['31-16=15'] Exploring Operation: 15/3=5, Resulting Numbers: [91, 5] Generated Node #3: [91, 5] from Operation: 15/3=5 Current State: 86:[91, 5], Operations: ['31-16=15', '15/3=5'] Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[91, 16, 31, 3], Operations: [] Exploring Operation: 16+31=47, Resulting Numbers: [91, 3, 47] Generated Node #0,0: 86:[91, 3, 47] Operation: 16+31=47 Exploring Operation: 91-16=75, Resulting Numbers: [31, 3, 75] Generated Node #0,1: 86:[31, 3, 75] Operation: 91-16=75 Exploring Operation: 31*3=93, Resulting Numbers: [91, 16, 93] Generated Node #0,2: 86:[91, 16, 93] Operation: 31*3=93 Exploring Operation: 16*3=48, Resulting Numbers: [91, 31, 48] Generated Node #0,3: 86:[91, 31, 48] Operation: 16*3=48 Exploring Operation: 31-16=15, Resulting Numbers: [91, 3, 15] Generated Node #0,4: 86:[91, 3, 15] Operation: 31-16=15 Moving to Node #0,0 Current State: 86:[91, 3, 47], Operations: ['16+31=47'] Exploring Operation: 3+47=50, Resulting Numbers: [91, 50] Generated Node #0,0,0: 86:[91, 50] Operation: 3+47=50 Exploring Operation: 91-47=44, Resulting Numbers: [3, 44] Generated Node #0,0,1: 86:[3, 44] Operation: 91-47=44 Exploring Operation: 47-3=44, Resulting Numbers: [91, 44] Generated Node #0,0,2: 86:[91, 44] Operation: 47-3=44 Exploring Operation: 91+3=94, Resulting Numbers: [47, 94] Generated Node #0,0,3: 86:[47, 94] Operation: 91+3=94 Exploring Operation: 91-3=88, Resulting Numbers: [47, 88] Generated Node #0,0,4: 86:[47, 88] Operation: 91-3=88 Moving to Node #0,4 Current State: 86:[91, 3, 15], Operations: ['31-16=15'] Exploring Operation: 3*15=45, Resulting Numbers: [91, 45] Generated Node #0,4,0: 86:[91, 45] Operation: 3*15=45 Exploring Operation: 91-3=88, Resulting Numbers: [15, 88] Generated Node #0,4,1: 86:[15, 88] Operation: 91-3=88 Exploring Operation: 15/3=5, Resulting Numbers: [91, 5] Generated Node #0,4,2: 86:[91, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [91, 12] Generated Node #0,4,3: 86:[91, 12] Operation: 15-3=12 Exploring Operation: 91-15=76, Resulting Numbers: [3, 76] Generated Node #0,4,4: 86:[3, 76] Operation: 91-15=76 Moving to Node #0,3 Current State: 86:[91, 31, 48], Operations: ['16*3=48'] Exploring Operation: 91-48=43, Resulting Numbers: [31, 43] Generated Node #0,3,0: 86:[31, 43] Operation: 91-48=43 Exploring Operation: 91-31=60, Resulting Numbers: [48, 60] Generated Node #0,3,1: 86:[48, 60] Operation: 91-31=60 Exploring Operation: 31+48=79, Resulting Numbers: [91, 79] Generated Node #0,3,2: 86:[91, 79] Operation: 31+48=79 Exploring Operation: 91+31=122, Resulting Numbers: [48, 122] Generated Node #0,3,3: 86:[48, 122] Operation: 91+31=122 Exploring Operation: 48-31=17, Resulting Numbers: [91, 17] Generated Node #0,3,4: 86:[91, 17] Operation: 48-31=17 Moving to Node #0,1 Current State: 86:[31, 3, 75], Operations: ['91-16=75'] Exploring Operation: 31*3=93, Resulting Numbers: [75, 93] Generated Node #0,1,0: 86:[75, 93] Operation: 31*3=93 Exploring Operation: 31+75=106, Resulting Numbers: [3, 106] Generated Node #0,1,1: 86:[3, 106] Operation: 31+75=106 Exploring Operation: 31+3=34, Resulting Numbers: [75, 34] Generated Node #0,1,2: 86:[75, 34] Operation: 31+3=34 Exploring Operation: 75-31=44, Resulting Numbers: [3, 44] Generated Node #0,1,3: 86:[3, 44] Operation: 75-31=44 Exploring Operation: 3+75=78, Resulting Numbers: [31, 78] Generated Node #0,1,4: 86:[31, 78] Operation: 3+75=78 Moving to Node #0,2 Current State: 86:[91, 16, 93], Operations: ['31*3=93'] Exploring Operation: 93-16=77, Resulting Numbers: [91, 77] Generated Node #0,2,0: 86:[91, 77] Operation: 93-16=77 Exploring Operation: 16+93=109, Resulting Numbers: [91, 109] Generated Node #0,2,1: 86:[91, 109] Operation: 16+93=109 Exploring Operation: 91-16=75, Resulting Numbers: [93, 75] Generated Node #0,2,2: 86:[93, 75] Operation: 91-16=75 Exploring Operation: 91+16=107, Resulting Numbers: [93, 107] Generated Node #0,2,3: 86:[93, 107] Operation: 91+16=107 Exploring Operation: 93-91=2, Resulting Numbers: [16, 2] Generated Node #0,2,4: 86:[16, 2] Operation: 93-91=2 Moving to Node #0,0,1 Current State: 86:[3, 44], Operations: ['16+31=47', '91-47=44'] Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[3, 44], Operations: ['91-16=75', '75-31=44'] Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,86 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,86 unequal: No Solution Moving to Node #0,0,4 Current State: 86:[47, 88], Operations: ['16+31=47', '91-3=88'] Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 47*88=4136, Resulting Numbers: [4136] 4136,86 unequal: No Solution Exploring Operation: 47+88=135, Resulting Numbers: [135] 135,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[91, 44], Operations: ['16+31=47', '47-3=44'] Exploring Operation: 91+44=135, Resulting Numbers: [135] 135,86 unequal: No Solution Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 91*44=4004, Resulting Numbers: [4004] 4004,86 unequal: No Solution Moving to Node #0,4,0 Current State: 86:[91, 45], Operations: ['31-16=15', '3*15=45'] Exploring Operation: 91+45=136, Resulting Numbers: [136] 136,86 unequal: No Solution Exploring Operation: 91*45=4095, Resulting Numbers: [4095] 4095,86 unequal: No Solution Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,86 unequal: No Solution Moving to Node #0,4,2 Current State: 86:[91, 5], Operations: ['31-16=15', '15/3=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,86 unequal: No Solution Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,86 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[91, 16, 31, 3], Operations: [] Exploring Operation: 31-16=15, Resulting Numbers: [91, 3, 15] Generated Node #0,4: 86:[91, 3, 15] Operation: 31-16=15 Moving to Node #0,4 Current State: 86:[91, 3, 15], Operations: ['31-16=15'] Exploring Operation: 15/3=5, Resulting Numbers: [91, 5] Generated Node #0,4,2: 86:[91, 5] Operation: 15/3=5 Moving to Node #0,4,2 Current State: 86:[91, 5], Operations: ['31-16=15', '15/3=5'] Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.954861
hs_5
mult_heuristic
[ 56, 70, 45, 16 ]
90
[ "70-56=14", "16-14=2", "45*2=90" ]
Current State: 90:[56, 70, 45, 16], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [45, 16, 14] Generated Node #2: [45, 16, 14] from Operation: 70-56=14 Current State: 90:[45, 16, 14], Operations: ['70-56=14'] Exploring Operation: 16-14=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 16-14=2 Current State: 90:[45, 2], Operations: ['70-56=14', '16-14=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[56, 70, 45, 16], Operations: [] Exploring Operation: 70+16=86, Resulting Numbers: [56, 45, 86] Generated Node #0,0: 90:[56, 45, 86] Operation: 70+16=86 Exploring Operation: 70-56=14, Resulting Numbers: [45, 16, 14] Generated Node #0,1: 90:[45, 16, 14] Operation: 70-56=14 Moving to Node #0,1 Current State: 90:[45, 16, 14], Operations: ['70-56=14'] Exploring Operation: 16+14=30, Resulting Numbers: [45, 30] Generated Node #0,1,0: 90:[45, 30] Operation: 16+14=30 Exploring Operation: 16-14=2, Resulting Numbers: [45, 2] Generated Node #0,1,1: 90:[45, 2] Operation: 16-14=2 Moving to Node #0,0 Current State: 90:[56, 45, 86], Operations: ['70+16=86'] Exploring Operation: 86-56=30, Resulting Numbers: [45, 30] Generated Node #0,0,0: 90:[45, 30] Operation: 86-56=30 Exploring Operation: 56-45=11, Resulting Numbers: [86, 11] Generated Node #0,0,1: 90:[86, 11] Operation: 56-45=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[45, 30], Operations: ['70+16=86', '86-56=30'] Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[86, 11], Operations: ['70+16=86', '56-45=11'] Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,90 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: 90:[45, 30], Operations: ['70-56=14', '16+14=30'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[45, 2], Operations: ['70-56=14', '16-14=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[56, 70, 45, 16], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [45, 16, 14] Generated Node #0,1: 90:[45, 16, 14] Operation: 70-56=14 Moving to Node #0,1 Current State: 90:[45, 16, 14], Operations: ['70-56=14'] Exploring Operation: 16-14=2, Resulting Numbers: [45, 2] Generated Node #0,1,1: 90:[45, 2] Operation: 16-14=2 Moving to Node #0,1,1 Current State: 90:[45, 2], Operations: ['70-56=14', '16-14=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 82, 51, 56, 18 ]
20
[ "82+18=100", "56-51=5", "100/5=20" ]
Current State: 20:[82, 51, 56, 18], Operations: [] Exploring Operation: 82+18=100, Resulting Numbers: [51, 56, 100] Generated Node #2: [51, 56, 100] from Operation: 82+18=100 Current State: 20:[51, 56, 100], Operations: ['82+18=100'] Exploring Operation: 56-51=5, Resulting Numbers: [100, 5] Generated Node #3: [100, 5] from Operation: 56-51=5 Current State: 20:[100, 5], Operations: ['82+18=100', '56-51=5'] Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[82, 51, 56, 18], Operations: [] Exploring Operation: 82-51=31, Resulting Numbers: [56, 18, 31] Generated Node #0,0: 20:[56, 18, 31] Operation: 82-51=31 Exploring Operation: 82-56=26, Resulting Numbers: [51, 18, 26] Generated Node #0,1: 20:[51, 18, 26] Operation: 82-56=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[51, 18, 26], Operations: ['82-56=26'] Exploring Operation: 51-26=25, Resulting Numbers: [18, 25] Generated Node #0,1,0: 20:[18, 25] Operation: 51-26=25 Exploring Operation: 51-18=33, Resulting Numbers: [26, 33] Generated Node #0,1,1: 20:[26, 33] Operation: 51-18=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[18, 25], Operations: ['82-56=26', '51-26=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[26, 33], Operations: ['82-56=26', '51-18=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[56, 18, 31], Operations: ['82-51=31'] Exploring Operation: 56-31=25, Resulting Numbers: [18, 25] Generated Node #0,0,0: 20:[18, 25] Operation: 56-31=25 Exploring Operation: 56-18=38, Resulting Numbers: [31, 38] Generated Node #0,0,1: 20:[31, 38] Operation: 56-18=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[18, 25], Operations: ['82-51=31', '56-31=25'] Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[31, 38], Operations: ['82-51=31', '56-18=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 81, 93, 50, 73 ]
11
[ "93-81=12", "73-50=23", "23-12=11" ]
Current State: 11:[81, 93, 50, 73], Operations: [] Exploring Operation: 93-81=12, Resulting Numbers: [50, 73, 12] Generated Node #2: [50, 73, 12] from Operation: 93-81=12 Current State: 11:[50, 73, 12], Operations: ['93-81=12'] Exploring Operation: 73-50=23, Resulting Numbers: [12, 23] Generated Node #3: [12, 23] from Operation: 73-50=23 Current State: 11:[12, 23], Operations: ['93-81=12', '73-50=23'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[81, 93, 50, 73], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [93, 73, 31] Generated Node #0,0: 11:[93, 73, 31] Operation: 81-50=31 Exploring Operation: 93-73=20, Resulting Numbers: [81, 50, 20] Generated Node #0,1: 11:[81, 50, 20] Operation: 93-73=20 Exploring Operation: 81-73=8, Resulting Numbers: [93, 50, 8] Generated Node #0,2: 11:[93, 50, 8] Operation: 81-73=8 Exploring Operation: 93-81=12, Resulting Numbers: [50, 73, 12] Generated Node #0,3: 11:[50, 73, 12] Operation: 93-81=12 Moving to Node #0,3 Current State: 11:[50, 73, 12], Operations: ['93-81=12'] Exploring Operation: 73-12=61, Resulting Numbers: [50, 61] Generated Node #0,3,0: 11:[50, 61] Operation: 73-12=61 Exploring Operation: 73-50=23, Resulting Numbers: [12, 23] Generated Node #0,3,1: 11:[12, 23] Operation: 73-50=23 Exploring Operation: 50-12=38, Resulting Numbers: [73, 38] Generated Node #0,3,2: 11:[73, 38] Operation: 50-12=38 Exploring Operation: 50+73=123, Resulting Numbers: [12, 123] Generated Node #0,3,3: 11:[12, 123] Operation: 50+73=123 Moving to Node #0,1 Current State: 11:[81, 50, 20], Operations: ['93-73=20'] Exploring Operation: 50-20=30, Resulting Numbers: [81, 30] Generated Node #0,1,0: 11:[81, 30] Operation: 50-20=30 Exploring Operation: 81-20=61, Resulting Numbers: [50, 61] Generated Node #0,1,1: 11:[50, 61] Operation: 81-20=61 Exploring Operation: 81+50=131, Resulting Numbers: [20, 131] Generated Node #0,1,2: 11:[20, 131] Operation: 81+50=131 Exploring Operation: 81-50=31, Resulting Numbers: [20, 31] Generated Node #0,1,3: 11:[20, 31] Operation: 81-50=31 Moving to Node #0,2 Current State: 11:[93, 50, 8], Operations: ['81-73=8'] Exploring Operation: 50-8=42, Resulting Numbers: [93, 42] Generated Node #0,2,0: 11:[93, 42] Operation: 50-8=42 Exploring Operation: 93-8=85, Resulting Numbers: [50, 85] Generated Node #0,2,1: 11:[50, 85] Operation: 93-8=85 Exploring Operation: 93-50=43, Resulting Numbers: [8, 43] Generated Node #0,2,2: 11:[8, 43] Operation: 93-50=43 Exploring Operation: 93+8=101, Resulting Numbers: [50, 101] Generated Node #0,2,3: 11:[50, 101] Operation: 93+8=101 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[8, 43], Operations: ['81-73=8', '93-50=43'] Exploring Operation: 8+43=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 8*43=344, Resulting Numbers: [344] 344,11 unequal: No Solution Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,11 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:[93, 42], Operations: ['81-73=8', '50-8=42'] Exploring Operation: 93-42=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 93+42=135, Resulting Numbers: [135] 135,11 unequal: No Solution Exploring Operation: 93*42=3906, Resulting Numbers: [3906] 3906,11 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:[50, 85], Operations: ['81-73=8', '93-8=85'] Exploring Operation: 85-50=35, Resulting Numbers: [35] 35,11 unequal: No Solution Exploring Operation: 50*85=4250, Resulting Numbers: [4250] 4250,11 unequal: No Solution Exploring Operation: 50+85=135, Resulting Numbers: [135] 135,11 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 #0,2,3 Current State: 11:[50, 101], Operations: ['81-73=8', '93+8=101'] Exploring Operation: 50*101=5050, Resulting Numbers: [5050] 5050,11 unequal: No Solution Exploring Operation: 101-50=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 50+101=151, Resulting Numbers: [151] 151,11 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: 11:[93, 73, 31], Operations: ['81-50=31'] Exploring Operation: 93/31=3, Resulting Numbers: [73, 3] Generated Node #0,0,0: 11:[73, 3] Operation: 93/31=3 Exploring Operation: 93-31=62, Resulting Numbers: [73, 62] Generated Node #0,0,1: 11:[73, 62] Operation: 93-31=62 Exploring Operation: 93-73=20, Resulting Numbers: [31, 20] Generated Node #0,0,2: 11:[31, 20] Operation: 93-73=20 Exploring Operation: 73-31=42, Resulting Numbers: [93, 42] Generated Node #0,0,3: 11:[93, 42] Operation: 73-31=42 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[31, 20], Operations: ['81-50=31', '93-73=20'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[81, 93, 50, 73], Operations: [] Exploring Operation: 81-50=31, Resulting Numbers: [93, 73, 31] Generated Node #0,0: 11:[93, 73, 31] Operation: 81-50=31 Moving to Node #0,0 Current State: 11:[93, 73, 31], Operations: ['81-50=31'] Exploring Operation: 93-73=20, Resulting Numbers: [31, 20] Generated Node #0,0,2: 11:[31, 20] Operation: 93-73=20 Moving to Node #0,0,2 Current State: 11:[31, 20], Operations: ['81-50=31', '93-73=20'] Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 54, 90, 83, 64 ]
70
[ "64-54=10", "90-83=7", "10*7=70" ]
Current State: 70:[54, 90, 83, 64], Operations: [] Exploring Operation: 64-54=10, Resulting Numbers: [90, 83, 10] Generated Node #2: [90, 83, 10] from Operation: 64-54=10 Current State: 70:[90, 83, 10], Operations: ['64-54=10'] Exploring Operation: 90-83=7, Resulting Numbers: [10, 7] Generated Node #3: [10, 7] from Operation: 90-83=7 Current State: 70:[10, 7], Operations: ['64-54=10', '90-83=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[54, 90, 83, 64], Operations: [] Exploring Operation: 64-54=10, Resulting Numbers: [90, 83, 10] Generated Node #0,0: 70:[90, 83, 10] Operation: 64-54=10 Exploring Operation: 90-83=7, Resulting Numbers: [54, 64, 7] Generated Node #0,1: 70:[54, 64, 7] Operation: 90-83=7 Exploring Operation: 83-54=29, Resulting Numbers: [90, 64, 29] Generated Node #0,2: 70:[90, 64, 29] Operation: 83-54=29 Exploring Operation: 90-54=36, Resulting Numbers: [83, 64, 36] Generated Node #0,3: 70:[83, 64, 36] Operation: 90-54=36 Exploring Operation: 90-64=26, Resulting Numbers: [54, 83, 26] Generated Node #0,4: 70:[54, 83, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[83, 64, 36], Operations: ['90-54=36'] Exploring Operation: 64-36=28, Resulting Numbers: [83, 28] Generated Node #0,3,0: 70:[83, 28] Operation: 64-36=28 Exploring Operation: 83-64=19, Resulting Numbers: [36, 19] Generated Node #0,3,1: 70:[36, 19] Operation: 83-64=19 Exploring Operation: 64+36=100, Resulting Numbers: [83, 100] Generated Node #0,3,2: 70:[83, 100] Operation: 64+36=100 Exploring Operation: 83-36=47, Resulting Numbers: [64, 47] Generated Node #0,3,3: 70:[64, 47] Operation: 83-36=47 Exploring Operation: 83+36=119, Resulting Numbers: [64, 119] Generated Node #0,3,4: 70:[64, 119] Operation: 83+36=119 Moving to Node #0,3,1 Current State: 70:[36, 19], Operations: ['90-54=36', '83-64=19'] Exploring Operation: 36*19=684, Resulting Numbers: [684] 684,70 unequal: No Solution Exploring Operation: 36+19=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 36-19=17, Resulting Numbers: [17] 17,70 unequal: No Solution Moving to Node #0,3,3 Current State: 70:[64, 47], Operations: ['90-54=36', '83-36=47'] Exploring Operation: 64-47=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 64*47=3008, Resulting Numbers: [3008] 3008,70 unequal: No Solution Exploring Operation: 64+47=111, Resulting Numbers: [111] 111,70 unequal: No Solution Moving to Node #0,3,0 Current State: 70:[83, 28], Operations: ['90-54=36', '64-36=28'] Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 83+28=111, Resulting Numbers: [111] 111,70 unequal: No Solution Exploring Operation: 83*28=2324, Resulting Numbers: [2324] 2324,70 unequal: No Solution Moving to Node #0,3,2 Current State: 70:[83, 100], Operations: ['90-54=36', '64+36=100'] Exploring Operation: 100-83=17, Resulting Numbers: [17] 17,70 unequal: No Solution Exploring Operation: 83+100=183, Resulting Numbers: [183] 183,70 unequal: No Solution Exploring Operation: 83*100=8300, Resulting Numbers: [8300] 8300,70 unequal: No Solution Moving to Node #0,3,4 Current State: 70:[64, 119], Operations: ['90-54=36', '83+36=119'] Exploring Operation: 119-64=55, Resulting Numbers: [55] 55,70 unequal: No Solution Exploring Operation: 64+119=183, Resulting Numbers: [183] 183,70 unequal: No Solution Exploring Operation: 64*119=7616, Resulting Numbers: [7616] 7616,70 unequal: No Solution No solution 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: 70:[54, 64, 7], Operations: ['90-83=7'] Exploring Operation: 54+7=61, Resulting Numbers: [64, 61] Generated Node #0,1,0: 70:[64, 61] Operation: 54+7=61 Exploring Operation: 64+7=71, Resulting Numbers: [54, 71] Generated Node #0,1,1: 70:[54, 71] Operation: 64+7=71 Exploring Operation: 64-54=10, Resulting Numbers: [7, 10] Generated Node #0,1,2: 70:[7, 10] Operation: 64-54=10 Exploring Operation: 54-7=47, Resulting Numbers: [64, 47] Generated Node #0,1,3: 70:[64, 47] Operation: 54-7=47 Exploring Operation: 64-7=57, Resulting Numbers: [54, 57] Generated Node #0,1,4: 70:[54, 57] Operation: 64-7=57 Moving to Node #0,1,2 Current State: 70:[7, 10], Operations: ['90-83=7', '64-54=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[54, 90, 83, 64], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [54, 64, 7] Generated Node #0,1: 70:[54, 64, 7] Operation: 90-83=7 Moving to Node #0,1 Current State: 70:[54, 64, 7], Operations: ['90-83=7'] Exploring Operation: 64-54=10, Resulting Numbers: [7, 10] Generated Node #0,1,2: 70:[7, 10] Operation: 64-54=10 Moving to Node #0,1,2 Current State: 70:[7, 10], Operations: ['90-83=7', '64-54=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 79, 55, 26, 67 ]
17
[ "79-55=24", "67-26=41", "41-24=17" ]
Current State: 17:[79, 55, 26, 67], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [26, 67, 24] Generated Node #2: [26, 67, 24] from Operation: 79-55=24 Current State: 17:[26, 67, 24], Operations: ['79-55=24'] Exploring Operation: 67-26=41, Resulting Numbers: [24, 41] Generated Node #3: [24, 41] from Operation: 67-26=41 Current State: 17:[24, 41], Operations: ['79-55=24', '67-26=41'] Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[79, 55, 26, 67], Operations: [] Exploring Operation: 79-55=24, Resulting Numbers: [26, 67, 24] Generated Node #0,0: 17:[26, 67, 24] Operation: 79-55=24 Exploring Operation: 79-67=12, Resulting Numbers: [55, 26, 12] Generated Node #0,1: 17:[55, 26, 12] Operation: 79-67=12 Moving to Node #0,1 Current State: 17:[55, 26, 12], Operations: ['79-67=12'] Exploring Operation: 55-12=43, Resulting Numbers: [26, 43] Generated Node #0,1,0: 17:[26, 43] Operation: 55-12=43 Exploring Operation: 55-26=29, Resulting Numbers: [12, 29] Generated Node #0,1,1: 17:[12, 29] Operation: 55-26=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[12, 29], Operations: ['79-67=12', '55-26=29'] Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,17 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[79, 55, 26, 67], Operations: [] Exploring Operation: 79-67=12, Resulting Numbers: [55, 26, 12] Generated Node #0,1: 17:[55, 26, 12] Operation: 79-67=12 Moving to Node #0,1 Current State: 17:[55, 26, 12], Operations: ['79-67=12'] Exploring Operation: 55-26=29, Resulting Numbers: [12, 29] Generated Node #0,1,1: 17:[12, 29] Operation: 55-26=29 Moving to Node #0,1,1 Current State: 17:[12, 29], Operations: ['79-67=12', '55-26=29'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 54, 32, 70, 68 ]
11
[ "54-32=22", "70-68=2", "22/2=11" ]
Current State: 11:[54, 32, 70, 68], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [70, 68, 22] Generated Node #2: [70, 68, 22] from Operation: 54-32=22 Current State: 11:[70, 68, 22], Operations: ['54-32=22'] Exploring Operation: 70-68=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 70-68=2 Current State: 11:[22, 2], Operations: ['54-32=22', '70-68=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[54, 32, 70, 68], Operations: [] Exploring Operation: 54-32=22, Resulting Numbers: [70, 68, 22] Generated Node #0,0: 11:[70, 68, 22] Operation: 54-32=22 Exploring Operation: 68-54=14, Resulting Numbers: [32, 70, 14] Generated Node #0,1: 11:[32, 70, 14] Operation: 68-54=14 Exploring Operation: 70-54=16, Resulting Numbers: [32, 68, 16] Generated Node #0,2: 11:[32, 68, 16] Operation: 70-54=16 Exploring Operation: 70-68=2, Resulting Numbers: [54, 32, 2] Generated Node #0,3: 11:[54, 32, 2] Operation: 70-68=2 Moving to Node #0,3 Current State: 11:[54, 32, 2], Operations: ['70-68=2'] Exploring Operation: 54/2=27, Resulting Numbers: [32, 27] Generated Node #0,3,0: 11:[32, 27] Operation: 54/2=27 Exploring Operation: 32/2=16, Resulting Numbers: [54, 16] Generated Node #0,3,1: 11:[54, 16] Operation: 32/2=16 Exploring Operation: 54-32=22, Resulting Numbers: [2, 22] Generated Node #0,3,2: 11:[2, 22] Operation: 54-32=22 Exploring Operation: 54-2=52, Resulting Numbers: [32, 52] Generated Node #0,3,3: 11:[32, 52] Operation: 54-2=52 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[2, 22], Operations: ['70-68=2', '54-32=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[54, 32, 70, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [54, 32, 2] Generated Node #0,3: 11:[54, 32, 2] Operation: 70-68=2 Moving to Node #0,3 Current State: 11:[54, 32, 2], Operations: ['70-68=2'] Exploring Operation: 54-32=22, Resulting Numbers: [2, 22] Generated Node #0,3,2: 11:[2, 22] Operation: 54-32=22 Moving to Node #0,3,2 Current State: 11:[2, 22], Operations: ['70-68=2', '54-32=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 28, 84, 12, 98 ]
14
[ "84+12=96", "98-96=2", "28/2=14" ]
Current State: 14:[28, 84, 12, 98], Operations: [] Exploring Operation: 84+12=96, Resulting Numbers: [28, 98, 96] Generated Node #2: [28, 98, 96] from Operation: 84+12=96 Current State: 14:[28, 98, 96], Operations: ['84+12=96'] Exploring Operation: 98-96=2, Resulting Numbers: [28, 2] Generated Node #3: [28, 2] from Operation: 98-96=2 Current State: 14:[28, 2], Operations: ['84+12=96', '98-96=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[28, 84, 12, 98], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [28, 12, 14] Generated Node #0,0: 14:[28, 12, 14] Operation: 98-84=14 Moving to Node #0,0 Current State: 14:[28, 12, 14], Operations: ['98-84=14'] Exploring Operation: 28-12=16, Resulting Numbers: [14, 16] Generated Node #0,0,0: 14:[14, 16] Operation: 28-12=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[14, 16], Operations: ['98-84=14', '28-12=16'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 9, 29, 1 ]
56
[ "17+9=26", "29+1=30", "26+30=56" ]
Current State: 56:[17, 9, 29, 1], Operations: [] Exploring Operation: 17+9=26, Resulting Numbers: [29, 1, 26] Generated Node #2: [29, 1, 26] from Operation: 17+9=26 Current State: 56:[29, 1, 26], Operations: ['17+9=26'] Exploring Operation: 29+1=30, Resulting Numbers: [26, 30] Generated Node #3: [26, 30] from Operation: 29+1=30 Current State: 56:[26, 30], Operations: ['17+9=26', '29+1=30'] Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[17, 9, 29, 1], Operations: [] Exploring Operation: 17-9=8, Resulting Numbers: [29, 1, 8] Generated Node #0,0: 56:[29, 1, 8] Operation: 17-9=8 Exploring Operation: 17+9=26, Resulting Numbers: [29, 1, 26] Generated Node #0,1: 56:[29, 1, 26] Operation: 17+9=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[29, 1, 8], Operations: ['17-9=8'] Exploring Operation: 29*1=29, Resulting Numbers: [8, 29] Generated Node #0,0,0: 56:[8, 29] Operation: 29*1=29 Exploring Operation: 29-1=28, Resulting Numbers: [8, 28] Generated Node #0,0,1: 56:[8, 28] Operation: 29-1=28 Moving to Node #0,0,1 Current State: 56:[8, 28], Operations: ['17-9=8', '29-1=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[8, 29], Operations: ['17-9=8', '29*1=29'] Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,56 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,56 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 #0,1 Current State: 56:[29, 1, 26], Operations: ['17+9=26'] Exploring Operation: 29+26=55, Resulting Numbers: [1, 55] Generated Node #0,1,0: 56:[1, 55] Operation: 29+26=55 Exploring Operation: 29-1=28, Resulting Numbers: [26, 28] Generated Node #0,1,1: 56:[26, 28] Operation: 29-1=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[1, 55], Operations: ['17+9=26', '29+26=55'] Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[17, 9, 29, 1], Operations: [] Exploring Operation: 17+9=26, Resulting Numbers: [29, 1, 26] Generated Node #0,1: 56:[29, 1, 26] Operation: 17+9=26 Moving to Node #0,1 Current State: 56:[29, 1, 26], Operations: ['17+9=26'] Exploring Operation: 29+26=55, Resulting Numbers: [1, 55] Generated Node #0,1,0: 56:[1, 55] Operation: 29+26=55 Moving to Node #0,1,0 Current State: 56:[1, 55], Operations: ['17+9=26', '29+26=55'] Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 24, 16, 48, 74 ]
66
[ "24+16=40", "74-48=26", "40+26=66" ]
Current State: 66:[24, 16, 48, 74], Operations: [] Exploring Operation: 24+16=40, Resulting Numbers: [48, 74, 40] Generated Node #2: [48, 74, 40] from Operation: 24+16=40 Current State: 66:[48, 74, 40], Operations: ['24+16=40'] Exploring Operation: 74-48=26, Resulting Numbers: [40, 26] Generated Node #3: [40, 26] from Operation: 74-48=26 Current State: 66:[40, 26], Operations: ['24+16=40', '74-48=26'] Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[24, 16, 48, 74], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [24, 74, 3] Generated Node #0,0: 66:[24, 74, 3] Operation: 48/16=3 Exploring Operation: 74-48=26, Resulting Numbers: [24, 16, 26] Generated Node #0,1: 66:[24, 16, 26] Operation: 74-48=26 Exploring Operation: 48-16=32, Resulting Numbers: [24, 74, 32] Generated Node #0,2: 66:[24, 74, 32] Operation: 48-16=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[24, 74, 3], Operations: ['48/16=3'] Exploring Operation: 24-3=21, Resulting Numbers: [74, 21] Generated Node #0,0,0: 66:[74, 21] Operation: 24-3=21 Exploring Operation: 24/3=8, Resulting Numbers: [74, 8] Generated Node #0,0,1: 66:[74, 8] Operation: 24/3=8 Exploring Operation: 74-3=71, Resulting Numbers: [24, 71] Generated Node #0,0,2: 66:[24, 71] Operation: 74-3=71 Moving to Node #0,0,2 Current State: 66:[24, 71], Operations: ['48/16=3', '74-3=71'] Exploring Operation: 24*71=1704, Resulting Numbers: [1704] 1704,66 unequal: No Solution Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,66 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[74, 21], Operations: ['48/16=3', '24-3=21'] Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,66 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,66 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[74, 8], Operations: ['48/16=3', '24/3=8'] Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,66 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[24, 16, 48, 74], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [24, 74, 3] Generated Node #0,0: 66:[24, 74, 3] Operation: 48/16=3 Moving to Node #0,0 Current State: 66:[24, 74, 3], Operations: ['48/16=3'] Exploring Operation: 24/3=8, Resulting Numbers: [74, 8] Generated Node #0,0,1: 66:[74, 8] Operation: 24/3=8 Moving to Node #0,0,1 Current State: 66:[74, 8], Operations: ['48/16=3', '24/3=8'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 34, 81, 2, 78 ]
96
[ "34-2=32", "81-78=3", "32*3=96" ]
Current State: 96:[34, 81, 2, 78], Operations: [] Exploring Operation: 34-2=32, Resulting Numbers: [81, 78, 32] Generated Node #2: [81, 78, 32] from Operation: 34-2=32 Current State: 96:[81, 78, 32], Operations: ['34-2=32'] Exploring Operation: 81-78=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 81-78=3 Current State: 96:[32, 3], Operations: ['34-2=32', '81-78=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[34, 81, 2, 78], Operations: [] Exploring Operation: 78-34=44, Resulting Numbers: [81, 2, 44] Generated Node #0,0: 96:[81, 2, 44] Operation: 78-34=44 Exploring Operation: 81-34=47, Resulting Numbers: [2, 78, 47] Generated Node #0,1: 96:[2, 78, 47] Operation: 81-34=47 Exploring Operation: 81-78=3, Resulting Numbers: [34, 2, 3] Generated Node #0,2: 96:[34, 2, 3] Operation: 81-78=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[34, 2, 3], Operations: ['81-78=3'] Exploring Operation: 34-3=31, Resulting Numbers: [2, 31] Generated Node #0,2,0: 96:[2, 31] Operation: 34-3=31 Exploring Operation: 34-2=32, Resulting Numbers: [3, 32] Generated Node #0,2,1: 96:[3, 32] Operation: 34-2=32 Exploring Operation: 34/2=17, Resulting Numbers: [3, 17] Generated Node #0,2,2: 96:[3, 17] Operation: 34/2=17 Moving to Node #0,2,1 Current State: 96:[3, 32], Operations: ['81-78=3', '34-2=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[34, 81, 2, 78], Operations: [] Exploring Operation: 81-78=3, Resulting Numbers: [34, 2, 3] Generated Node #0,2: 96:[34, 2, 3] Operation: 81-78=3 Moving to Node #0,2 Current State: 96:[34, 2, 3], Operations: ['81-78=3'] Exploring Operation: 34-2=32, Resulting Numbers: [3, 32] Generated Node #0,2,1: 96:[3, 32] Operation: 34-2=32 Moving to Node #0,2,1 Current State: 96:[3, 32], Operations: ['81-78=3', '34-2=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 64, 39, 54, 39 ]
54
[ "39-39=0", "64*0=0", "54+0=54" ]
Current State: 54:[64, 39, 54, 39], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [64, 54, 0] Generated Node #2: [64, 54, 0] from Operation: 39-39=0 Current State: 54:[64, 54, 0], Operations: ['39-39=0'] Exploring Operation: 64*0=0, Resulting Numbers: [54, 0] Generated Node #3: [54, 0] from Operation: 64*0=0 Current State: 54:[54, 0], Operations: ['39-39=0', '64*0=0'] Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[64, 39, 54, 39], Operations: [] Exploring Operation: 39/39=1, Resulting Numbers: [64, 54, 1] Generated Node #0,0: 54:[64, 54, 1] Operation: 39/39=1 Exploring Operation: 39-39=0, Resulting Numbers: [64, 54, 0] Generated Node #0,1: 54:[64, 54, 0] Operation: 39-39=0 Moving to Node #0,0 Current State: 54:[64, 54, 1], Operations: ['39/39=1'] Exploring Operation: 64-1=63, Resulting Numbers: [54, 63] Generated Node #0,0,0: 54:[54, 63] Operation: 64-1=63 Exploring Operation: 64-54=10, Resulting Numbers: [1, 10] Generated Node #0,0,1: 54:[1, 10] Operation: 64-54=10 Moving to Node #0,1 Current State: 54:[64, 54, 0], Operations: ['39-39=0'] Exploring Operation: 64-54=10, Resulting Numbers: [0, 10] Generated Node #0,1,0: 54:[0, 10] Operation: 64-54=10 Exploring Operation: 64*0=0, Resulting Numbers: [54, 0] Generated Node #0,1,1: 54:[54, 0] Operation: 64*0=0 Moving to Node #0,0,1 Current State: 54:[1, 10], Operations: ['39/39=1', '64-54=10'] Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[54, 0], Operations: ['39-39=0', '64*0=0'] Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[64, 39, 54, 39], Operations: [] Exploring Operation: 39-39=0, Resulting Numbers: [64, 54, 0] Generated Node #0,1: 54:[64, 54, 0] Operation: 39-39=0 Moving to Node #0,1 Current State: 54:[64, 54, 0], Operations: ['39-39=0'] Exploring Operation: 64*0=0, Resulting Numbers: [54, 0] Generated Node #0,1,1: 54:[54, 0] Operation: 64*0=0 Moving to Node #0,1,1 Current State: 54:[54, 0], Operations: ['39-39=0', '64*0=0'] Exploring Operation: 54-0=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 55, 68, 57, 36 ]
80
[ "68-55=13", "57+36=93", "93-13=80" ]
Current State: 80:[55, 68, 57, 36], Operations: [] Exploring Operation: 68-55=13, Resulting Numbers: [57, 36, 13] Generated Node #2: [57, 36, 13] from Operation: 68-55=13 Current State: 80:[57, 36, 13], Operations: ['68-55=13'] Exploring Operation: 57+36=93, Resulting Numbers: [13, 93] Generated Node #3: [13, 93] from Operation: 57+36=93 Current State: 80:[13, 93], Operations: ['68-55=13', '57+36=93'] Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[55, 68, 57, 36], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [55, 36, 11] Generated Node #0,0: 80:[55, 36, 11] Operation: 68-57=11 Exploring Operation: 57-55=2, Resulting Numbers: [68, 36, 2] Generated Node #0,1: 80:[68, 36, 2] Operation: 57-55=2 Exploring Operation: 68-55=13, Resulting Numbers: [57, 36, 13] Generated Node #0,2: 80:[57, 36, 13] Operation: 68-55=13 Moving to Node #0,1 Current State: 80:[68, 36, 2], Operations: ['57-55=2'] Exploring Operation: 68+2=70, Resulting Numbers: [36, 70] Generated Node #0,1,0: 80:[36, 70] Operation: 68+2=70 Exploring Operation: 68/2=34, Resulting Numbers: [36, 34] Generated Node #0,1,1: 80:[36, 34] Operation: 68/2=34 Exploring Operation: 68-36=32, Resulting Numbers: [2, 32] Generated Node #0,1,2: 80:[2, 32] Operation: 68-36=32 Moving to Node #0,0 Current State: 80:[55, 36, 11], Operations: ['68-57=11'] Exploring Operation: 55-36=19, Resulting Numbers: [11, 19] Generated Node #0,0,0: 80:[11, 19] Operation: 55-36=19 Exploring Operation: 55/11=5, Resulting Numbers: [36, 5] Generated Node #0,0,1: 80:[36, 5] Operation: 55/11=5 Exploring Operation: 55-11=44, Resulting Numbers: [36, 44] Generated Node #0,0,2: 80:[36, 44] Operation: 55-11=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[11, 19], Operations: ['68-57=11', '55-36=19'] Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,80 unequal: No Solution Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[36, 5], Operations: ['68-57=11', '55/11=5'] Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[36, 44], Operations: ['68-57=11', '55-11=44'] Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[55, 68, 57, 36], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [55, 36, 11] Generated Node #0,0: 80:[55, 36, 11] Operation: 68-57=11 Moving to Node #0,0 Current State: 80:[55, 36, 11], Operations: ['68-57=11'] Exploring Operation: 55-11=44, Resulting Numbers: [36, 44] Generated Node #0,0,2: 80:[36, 44] Operation: 55-11=44 Moving to Node #0,0,2 Current State: 80:[36, 44], Operations: ['68-57=11', '55-11=44'] Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
mult_heuristic
[ 79, 43, 87, 51 ]
16
[ "79+43=122", "87+51=138", "138-122=16" ]
Current State: 16:[79, 43, 87, 51], Operations: [] Exploring Operation: 79+43=122, Resulting Numbers: [87, 51, 122] Generated Node #2: [87, 51, 122] from Operation: 79+43=122 Current State: 16:[87, 51, 122], Operations: ['79+43=122'] Exploring Operation: 87+51=138, Resulting Numbers: [122, 138] Generated Node #3: [122, 138] from Operation: 87+51=138 Current State: 16:[122, 138], Operations: ['79+43=122', '87+51=138'] Exploring Operation: 138-122=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[79, 43, 87, 51], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [43, 87, 28] Generated Node #0,0: 16:[43, 87, 28] Operation: 79-51=28 Exploring Operation: 87-79=8, Resulting Numbers: [43, 51, 8] Generated Node #0,1: 16:[43, 51, 8] Operation: 87-79=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[43, 51, 8], Operations: ['87-79=8'] Exploring Operation: 43-8=35, Resulting Numbers: [51, 35] Generated Node #0,1,0: 16:[51, 35] Operation: 43-8=35 Exploring Operation: 51-43=8, Resulting Numbers: [8, 8] Generated Node #0,1,1: 16:[8, 8] Operation: 51-43=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 16:[8, 8], Operations: ['87-79=8', '51-43=8'] Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[79, 43, 87, 51], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [43, 51, 8] Generated Node #0,1: 16:[43, 51, 8] Operation: 87-79=8 Moving to Node #0,1 Current State: 16:[43, 51, 8], Operations: ['87-79=8'] Exploring Operation: 51-43=8, Resulting Numbers: [8, 8] Generated Node #0,1,1: 16:[8, 8] Operation: 51-43=8 Moving to Node #0,1,1 Current State: 16:[8, 8], Operations: ['87-79=8', '51-43=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 13, 11, 10, 34 ]
63
[ "13+34=47", "11*10=110", "110-47=63" ]
Current State: 63:[13, 11, 10, 34], Operations: [] Exploring Operation: 13+34=47, Resulting Numbers: [11, 10, 47] Generated Node #2: [11, 10, 47] from Operation: 13+34=47 Current State: 63:[11, 10, 47], Operations: ['13+34=47'] Exploring Operation: 11*10=110, Resulting Numbers: [47, 110] Generated Node #3: [47, 110] from Operation: 11*10=110 Current State: 63:[47, 110], Operations: ['13+34=47', '11*10=110'] Exploring Operation: 110-47=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[13, 11, 10, 34], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [10, 34, 2] Generated Node #0,0: 63:[10, 34, 2] Operation: 13-11=2 Exploring Operation: 34-10=24, Resulting Numbers: [13, 11, 24] Generated Node #0,1: 63:[13, 11, 24] Operation: 34-10=24 Exploring Operation: 34-11=23, Resulting Numbers: [13, 10, 23] Generated Node #0,2: 63:[13, 10, 23] Operation: 34-11=23 Exploring Operation: 34-13=21, Resulting Numbers: [11, 10, 21] Generated Node #0,3: 63:[11, 10, 21] Operation: 34-13=21 Exploring Operation: 13-10=3, Resulting Numbers: [11, 34, 3] Generated Node #0,4: 63:[11, 34, 3] Operation: 13-10=3 Moving to Node #0,3 Current State: 63:[11, 10, 21], Operations: ['34-13=21'] Exploring Operation: 11+21=32, Resulting Numbers: [10, 32] Generated Node #0,3,0: 63:[10, 32] Operation: 11+21=32 Exploring Operation: 11-10=1, Resulting Numbers: [21, 1] Generated Node #0,3,1: 63:[21, 1] Operation: 11-10=1 Exploring Operation: 21-10=11, Resulting Numbers: [11, 11] Generated Node #0,3,2: 63:[11, 11] Operation: 21-10=11 Exploring Operation: 11+10=21, Resulting Numbers: [21, 21] Generated Node #0,3,3: 63:[21, 21] Operation: 11+10=21 Exploring Operation: 21-11=10, Resulting Numbers: [10, 10] Generated Node #0,3,4: 63:[10, 10] Operation: 21-11=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[21, 21], Operations: ['34-13=21', '11+10=21'] Exploring Operation: 21*21=441, Resulting Numbers: [441] 441,63 unequal: No Solution Exploring Operation: 21+21=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 21/21=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 21-21=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[21, 1], Operations: ['34-13=21', '11-10=1'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,63 unequal: No Solution Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,63 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 63:[10, 10], Operations: ['34-13=21', '21-11=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[11, 11], Operations: ['34-13=21', '21-10=11'] Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,63 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[10, 32], Operations: ['34-13=21', '11+21=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,63 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,63 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: 63:[13, 10, 23], Operations: ['34-11=23'] Exploring Operation: 13+23=36, Resulting Numbers: [10, 36] Generated Node #0,2,0: 63:[10, 36] Operation: 13+23=36 Exploring Operation: 23-13=10, Resulting Numbers: [10, 10] Generated Node #0,2,1: 63:[10, 10] Operation: 23-13=10 Exploring Operation: 23-10=13, Resulting Numbers: [13, 13] Generated Node #0,2,2: 63:[13, 13] Operation: 23-10=13 Exploring Operation: 13+10=23, Resulting Numbers: [23, 23] Generated Node #0,2,3: 63:[23, 23] Operation: 13+10=23 Exploring Operation: 13-10=3, Resulting Numbers: [23, 3] Generated Node #0,2,4: 63:[23, 3] Operation: 13-10=3 Moving to Node #0,1 Current State: 63:[13, 11, 24], Operations: ['34-10=24'] Exploring Operation: 13+11=24, Resulting Numbers: [24, 24] Generated Node #0,1,0: 63:[24, 24] Operation: 13+11=24 Exploring Operation: 13-11=2, Resulting Numbers: [24, 2] Generated Node #0,1,1: 63:[24, 2] Operation: 13-11=2 Exploring Operation: 24-11=13, Resulting Numbers: [13, 13] Generated Node #0,1,2: 63:[13, 13] Operation: 24-11=13 Exploring Operation: 24-13=11, Resulting Numbers: [11, 11] Generated Node #0,1,3: 63:[11, 11] Operation: 24-13=11 Exploring Operation: 13+24=37, Resulting Numbers: [11, 37] Generated Node #0,1,4: 63:[11, 37] Operation: 13+24=37 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[24, 2], Operations: ['34-10=24', '13-11=2'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[11, 11], Operations: ['34-10=24', '24-13=11'] Exploring Operation: 11*11=121, Resulting Numbers: [121] 121,63 unequal: No Solution Exploring Operation: 11+11=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 11-11=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[24, 24], Operations: ['34-10=24', '13+11=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[13, 13], Operations: ['34-10=24', '24-11=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,63 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 63:[11, 37], Operations: ['34-10=24', '13+24=37'] Exploring Operation: 11+37=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 11*37=407, Resulting Numbers: [407] 407,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 63:[10, 34, 2], Operations: ['13-11=2'] Exploring Operation: 34/2=17, Resulting Numbers: [10, 17] Generated Node #0,0,0: 63:[10, 17] Operation: 34/2=17 Exploring Operation: 34*2=68, Resulting Numbers: [10, 68] Generated Node #0,0,1: 63:[10, 68] Operation: 34*2=68 Exploring Operation: 34-10=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 63:[2, 24] Operation: 34-10=24 Exploring Operation: 34-2=32, Resulting Numbers: [10, 32] Generated Node #0,0,3: 63:[10, 32] Operation: 34-2=32 Exploring Operation: 10*2=20, Resulting Numbers: [34, 20] Generated Node #0,0,4: 63:[34, 20] Operation: 10*2=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[2, 24], Operations: ['13-11=2', '34-10=24'] Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[10, 17], Operations: ['13-11=2', '34/2=17'] Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,63 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[10, 68], Operations: ['13-11=2', '34*2=68'] Exploring Operation: 10+68=78, Resulting Numbers: [78] 78,63 unequal: No Solution Exploring Operation: 10*68=680, Resulting Numbers: [680] 680,63 unequal: No Solution Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[10, 32], Operations: ['13-11=2', '34-2=32'] Exploring Operation: 10*32=320, Resulting Numbers: [320] 320,63 unequal: No Solution Exploring Operation: 10+32=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[34, 20], Operations: ['13-11=2', '10*2=20'] Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,63 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,63 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: 63:[11, 34, 3], Operations: ['13-10=3'] Exploring Operation: 11+34=45, Resulting Numbers: [3, 45] Generated Node #0,4,0: 63:[3, 45] Operation: 11+34=45 Exploring Operation: 34-3=31, Resulting Numbers: [11, 31] Generated Node #0,4,1: 63:[11, 31] Operation: 34-3=31 Exploring Operation: 11-3=8, Resulting Numbers: [34, 8] Generated Node #0,4,2: 63:[34, 8] Operation: 11-3=8 Exploring Operation: 34-11=23, Resulting Numbers: [3, 23] Generated Node #0,4,3: 63:[3, 23] Operation: 34-11=23 Exploring Operation: 11+3=14, Resulting Numbers: [34, 14] Generated Node #0,4,4: 63:[34, 14] Operation: 11+3=14 Moving to Node #0,2,1 Current State: 63:[10, 10], Operations: ['34-11=23', '23-13=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,63 unequal: No Solution Moving to Node #0,4,3 Current State: 63:[3, 23], Operations: ['13-10=3', '34-11=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[23, 3], Operations: ['34-11=23', '13-10=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[23, 23], Operations: ['34-11=23', '13+10=23'] Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,63 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[13, 13], Operations: ['34-11=23', '23-10=13'] Exploring Operation: 13+13=26, Resulting Numbers: [26] 26,63 unequal: No Solution Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,63 unequal: No Solution Exploring Operation: 13-13=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 13/13=1, Resulting Numbers: [1] 1,63 unequal: No Solution Moving to Node #0,4,1 Current State: 63:[11, 31], Operations: ['13-10=3', '34-3=31'] Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,63 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,63 unequal: No Solution Moving to Node #0,4,2 Current State: 63:[34, 8], Operations: ['13-10=3', '11-3=8'] Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,63 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[10, 36], Operations: ['34-11=23', '13+23=36'] Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,63 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,63 unequal: No Solution Moving to Node #0,4,0 Current State: 63:[3, 45], Operations: ['13-10=3', '11+34=45'] Exploring Operation: 3+45=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 3*45=135, Resulting Numbers: [135] 135,63 unequal: No Solution Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,63 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[34, 14], Operations: ['13-10=3', '11+3=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,63 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 30, 42, 27, 36 ]
21
[ "42-30=12", "36-27=9", "12+9=21" ]
Current State: 21:[30, 42, 27, 36], Operations: [] Exploring Operation: 42-30=12, Resulting Numbers: [27, 36, 12] Generated Node #2: [27, 36, 12] from Operation: 42-30=12 Current State: 21:[27, 36, 12], Operations: ['42-30=12'] Exploring Operation: 36-27=9, Resulting Numbers: [12, 9] Generated Node #3: [12, 9] from Operation: 36-27=9 Current State: 21:[12, 9], Operations: ['42-30=12', '36-27=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[30, 42, 27, 36], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [42, 27, 6] Generated Node #0,0: 21:[42, 27, 6] Operation: 36-30=6 Exploring Operation: 42-30=12, Resulting Numbers: [27, 36, 12] Generated Node #0,1: 21:[27, 36, 12] Operation: 42-30=12 Exploring Operation: 42-36=6, Resulting Numbers: [30, 27, 6] Generated Node #0,2: 21:[30, 27, 6] Operation: 42-36=6 Exploring Operation: 42-27=15, Resulting Numbers: [30, 36, 15] Generated Node #0,3: 21:[30, 36, 15] Operation: 42-27=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[30, 27, 6], Operations: ['42-36=6'] Exploring Operation: 30-27=3, Resulting Numbers: [6, 3] Generated Node #0,2,0: 21:[6, 3] Operation: 30-27=3 Exploring Operation: 30/6=5, Resulting Numbers: [27, 5] Generated Node #0,2,1: 21:[27, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [27, 24] Generated Node #0,2,2: 21:[27, 24] Operation: 30-6=24 Exploring Operation: 27-6=21, Resulting Numbers: [30, 21] Generated Node #0,2,3: 21:[30, 21] Operation: 27-6=21 Moving to Node #0,2,0 Current State: 21:[6, 3], Operations: ['42-36=6', '30-27=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,21 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[27, 5], Operations: ['42-36=6', '30/6=5'] Exploring Operation: 27*5=135, Resulting Numbers: [135] 135,21 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 27+5=32, Resulting Numbers: [32] 32,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[30, 21], Operations: ['42-36=6', '27-6=21'] Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,21 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[27, 24], Operations: ['42-36=6', '30-6=24'] Exploring Operation: 27*24=648, Resulting Numbers: [648] 648,21 unequal: No Solution Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[27, 36, 12], Operations: ['42-30=12'] Exploring Operation: 27-12=15, Resulting Numbers: [36, 15] Generated Node #0,1,0: 21:[36, 15] Operation: 27-12=15 Exploring Operation: 36-12=24, Resulting Numbers: [27, 24] Generated Node #0,1,1: 21:[27, 24] Operation: 36-12=24 Exploring Operation: 36-27=9, Resulting Numbers: [12, 9] Generated Node #0,1,2: 21:[12, 9] Operation: 36-27=9 Exploring Operation: 36/12=3, Resulting Numbers: [27, 3] Generated Node #0,1,3: 21:[27, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 21:[27, 3], Operations: ['42-30=12', '36/12=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,21 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,21 unequal: No Solution No 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: 21:[12, 9], Operations: ['42-30=12', '36-27=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[30, 42, 27, 36], Operations: [] Exploring Operation: 42-30=12, Resulting Numbers: [27, 36, 12] Generated Node #0,1: 21:[27, 36, 12] Operation: 42-30=12 Moving to Node #0,1 Current State: 21:[27, 36, 12], Operations: ['42-30=12'] Exploring Operation: 36-27=9, Resulting Numbers: [12, 9] Generated Node #0,1,2: 21:[12, 9] Operation: 36-27=9 Moving to Node #0,1,2 Current State: 21:[12, 9], Operations: ['42-30=12', '36-27=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 95, 34, 90, 17 ]
22
[ "95+34=129", "90+17=107", "129-107=22" ]
Current State: 22:[95, 34, 90, 17], Operations: [] Exploring Operation: 95+34=129, Resulting Numbers: [90, 17, 129] Generated Node #2: [90, 17, 129] from Operation: 95+34=129 Current State: 22:[90, 17, 129], Operations: ['95+34=129'] Exploring Operation: 90+17=107, Resulting Numbers: [129, 107] Generated Node #3: [129, 107] from Operation: 90+17=107 Current State: 22:[129, 107], Operations: ['95+34=129', '90+17=107'] Exploring Operation: 129-107=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[95, 34, 90, 17], Operations: [] Exploring Operation: 95-34=61, Resulting Numbers: [90, 17, 61] Generated Node #0,0: 22:[90, 17, 61] Operation: 95-34=61 Exploring Operation: 95-90=5, Resulting Numbers: [34, 17, 5] Generated Node #0,1: 22:[34, 17, 5] Operation: 95-90=5 Exploring Operation: 90-34=56, Resulting Numbers: [95, 17, 56] Generated Node #0,2: 22:[95, 17, 56] Operation: 90-34=56 Moving to Node #0,1 Current State: 22:[34, 17, 5], Operations: ['95-90=5'] Exploring Operation: 34-17=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 22:[5, 17] Operation: 34-17=17 Exploring Operation: 34-5=29, Resulting Numbers: [17, 29] Generated Node #0,1,1: 22:[17, 29] Operation: 34-5=29 Exploring Operation: 34/17=2, Resulting Numbers: [5, 2] Generated Node #0,1,2: 22:[5, 2] Operation: 34/17=2 Moving to Node #0,0 Current State: 22:[90, 17, 61], Operations: ['95-34=61'] Exploring Operation: 90-61=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 22:[17, 29] Operation: 90-61=29 Exploring Operation: 90-17=73, Resulting Numbers: [61, 73] Generated Node #0,0,1: 22:[61, 73] Operation: 90-17=73 Exploring Operation: 61-17=44, Resulting Numbers: [90, 44] Generated Node #0,0,2: 22:[90, 44] Operation: 61-17=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[17, 29], Operations: ['95-34=61', '90-61=29'] Exploring Operation: 17*29=493, Resulting Numbers: [493] 493,22 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 17+29=46, Resulting Numbers: [46] 46,22 unequal: No Solution No 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: 22:[61, 73], Operations: ['95-34=61', '90-17=73'] Exploring Operation: 61*73=4453, Resulting Numbers: [4453] 4453,22 unequal: No Solution Exploring Operation: 73-61=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 61+73=134, Resulting Numbers: [134] 134,22 unequal: No Solution No 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: 22:[90, 44], Operations: ['95-34=61', '61-17=44'] Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 90+44=134, Resulting Numbers: [134] 134,22 unequal: No Solution Exploring Operation: 90*44=3960, Resulting Numbers: [3960] 3960,22 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: 22:[95, 17, 56], Operations: ['90-34=56'] Exploring Operation: 95-56=39, Resulting Numbers: [17, 39] Generated Node #0,2,0: 22:[17, 39] Operation: 95-56=39 Exploring Operation: 56-17=39, Resulting Numbers: [95, 39] Generated Node #0,2,1: 22:[95, 39] Operation: 56-17=39 Exploring Operation: 95-17=78, Resulting Numbers: [56, 78] Generated Node #0,2,2: 22:[56, 78] Operation: 95-17=78 Moving to Node #0,1,2 Current State: 22:[5, 2], Operations: ['95-90=5', '34/17=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[5, 17], Operations: ['95-90=5', '34-17=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[95, 34, 90, 17], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [34, 17, 5] Generated Node #0,1: 22:[34, 17, 5] Operation: 95-90=5 Moving to Node #0,1 Current State: 22:[34, 17, 5], Operations: ['95-90=5'] Exploring Operation: 34-17=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 22:[5, 17] Operation: 34-17=17 Moving to Node #0,1,0 Current State: 22:[5, 17], Operations: ['95-90=5', '34-17=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 99, 37, 85, 96 ]
26
[ "99-96=3", "37*3=111", "111-85=26" ]
Current State: 26:[99, 37, 85, 96], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [37, 85, 3] Generated Node #2: [37, 85, 3] from Operation: 99-96=3 Current State: 26:[37, 85, 3], Operations: ['99-96=3'] Exploring Operation: 37*3=111, Resulting Numbers: [85, 111] Generated Node #3: [85, 111] from Operation: 37*3=111 Current State: 26:[85, 111], Operations: ['99-96=3', '37*3=111'] Exploring Operation: 111-85=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[99, 37, 85, 96], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [37, 85, 3] Generated Node #0,0: 26:[37, 85, 3] Operation: 99-96=3 Exploring Operation: 99-85=14, Resulting Numbers: [37, 96, 14] Generated Node #0,1: 26:[37, 96, 14] Operation: 99-85=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[37, 85, 3], Operations: ['99-96=3'] Exploring Operation: 85-37=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 26:[3, 48] Operation: 85-37=48 Exploring Operation: 37-3=34, Resulting Numbers: [85, 34] Generated Node #0,0,1: 26:[85, 34] Operation: 37-3=34 Moving to Node #0,0,0 Current State: 26:[3, 48], Operations: ['99-96=3', '85-37=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[85, 34], Operations: ['99-96=3', '37-3=34'] Exploring Operation: 85+34=119, Resulting Numbers: [119] 119,26 unequal: No Solution Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[37, 96, 14], Operations: ['99-85=14'] Exploring Operation: 96-37=59, Resulting Numbers: [14, 59] Generated Node #0,1,0: 26:[14, 59] Operation: 96-37=59 Exploring Operation: 96-14=82, Resulting Numbers: [37, 82] Generated Node #0,1,1: 26:[37, 82] Operation: 96-14=82 Moving to Node #0,1,0 Current State: 26:[14, 59], Operations: ['99-85=14', '96-37=59'] Exploring Operation: 14+59=73, Resulting Numbers: [73] 73,26 unequal: No Solution Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[37, 82], Operations: ['99-85=14', '96-14=82'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,26 unequal: No Solution Exploring Operation: 37+82=119, Resulting Numbers: [119] 119,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 17, 19, 70, 23 ]
83
[ "17+19=36", "70-23=47", "36+47=83" ]
Current State: 83:[17, 19, 70, 23], Operations: [] Exploring Operation: 17+19=36, Resulting Numbers: [70, 23, 36] Generated Node #2: [70, 23, 36] from Operation: 17+19=36 Current State: 83:[70, 23, 36], Operations: ['17+19=36'] Exploring Operation: 70-23=47, Resulting Numbers: [36, 47] Generated Node #3: [36, 47] from Operation: 70-23=47 Current State: 83:[36, 47], Operations: ['17+19=36', '70-23=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[17, 19, 70, 23], Operations: [] Exploring Operation: 17+19=36, Resulting Numbers: [70, 23, 36] Generated Node #0,0: 83:[70, 23, 36] Operation: 17+19=36 Exploring Operation: 17+23=40, Resulting Numbers: [19, 70, 40] Generated Node #0,1: 83:[19, 70, 40] Operation: 17+23=40 Moving to Node #0,0 Current State: 83:[70, 23, 36], Operations: ['17+19=36'] Exploring Operation: 70+23=93, Resulting Numbers: [36, 93] Generated Node #0,0,0: 83:[36, 93] Operation: 70+23=93 Exploring Operation: 23+36=59, Resulting Numbers: [70, 59] Generated Node #0,0,1: 83:[70, 59] Operation: 23+36=59 Moving to Node #0,1 Current State: 83:[19, 70, 40], Operations: ['17+23=40'] Exploring Operation: 19+70=89, Resulting Numbers: [40, 89] Generated Node #0,1,0: 83:[40, 89] Operation: 19+70=89 Exploring Operation: 19+40=59, Resulting Numbers: [70, 59] Generated Node #0,1,1: 83:[70, 59] Operation: 19+40=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[70, 59], Operations: ['17+23=40', '19+40=59'] Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,83 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 #0,1,0 Current State: 83:[40, 89], Operations: ['17+23=40', '19+70=89'] Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,83 unequal: No Solution Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,83 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: 83:[70, 59], Operations: ['17+19=36', '23+36=59'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,83 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[36, 93], Operations: ['17+19=36', '70+23=93'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,83 unequal: No Solution Exploring Operation: 36+93=129, Resulting Numbers: [129] 129,83 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 8, 80, 84 ]
95
[ "84-80=4", "8*4=32", "63+32=95" ]
Current State: 95:[63, 8, 80, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [63, 8, 4] Generated Node #2: [63, 8, 4] from Operation: 84-80=4 Current State: 95:[63, 8, 4], Operations: ['84-80=4'] Exploring Operation: 8*4=32, Resulting Numbers: [63, 32] Generated Node #3: [63, 32] from Operation: 8*4=32 Current State: 95:[63, 32], Operations: ['84-80=4', '8*4=32'] Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[63, 8, 80, 84], Operations: [] Exploring Operation: 84-63=21, Resulting Numbers: [8, 80, 21] Generated Node #0,0: 95:[8, 80, 21] Operation: 84-63=21 Exploring Operation: 80/8=10, Resulting Numbers: [63, 84, 10] Generated Node #0,1: 95:[63, 84, 10] Operation: 80/8=10 Exploring Operation: 84-80=4, Resulting Numbers: [63, 8, 4] Generated Node #0,2: 95:[63, 8, 4] Operation: 84-80=4 Exploring Operation: 63+8=71, Resulting Numbers: [80, 84, 71] Generated Node #0,3: 95:[80, 84, 71] Operation: 63+8=71 Exploring Operation: 80-63=17, Resulting Numbers: [8, 84, 17] Generated Node #0,4: 95:[8, 84, 17] Operation: 80-63=17 Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[8, 84, 17], Operations: ['80-63=17'] Exploring Operation: 8+84=92, Resulting Numbers: [17, 92] Generated Node #0,4,0: 95:[17, 92] Operation: 8+84=92 Exploring Operation: 84-8=76, Resulting Numbers: [17, 76] Generated Node #0,4,1: 95:[17, 76] Operation: 84-8=76 Exploring Operation: 8+17=25, Resulting Numbers: [84, 25] Generated Node #0,4,2: 95:[84, 25] Operation: 8+17=25 Exploring Operation: 17-8=9, Resulting Numbers: [84, 9] Generated Node #0,4,3: 95:[84, 9] Operation: 17-8=9 Exploring Operation: 84+17=101, Resulting Numbers: [8, 101] Generated Node #0,4,4: 95:[8, 101] Operation: 84+17=101 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 95:[17, 92], Operations: ['80-63=17', '8+84=92'] Exploring Operation: 92-17=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 17+92=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 17*92=1564, Resulting Numbers: [1564] 1564,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 95:[8, 101], Operations: ['80-63=17', '84+17=101'] Exploring Operation: 8*101=808, Resulting Numbers: [808] 808,95 unequal: No Solution Exploring Operation: 8+101=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 101-8=93, Resulting Numbers: [93] 93,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 95:[84, 9], Operations: ['80-63=17', '17-8=9'] Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 95:[84, 25], Operations: ['80-63=17', '8+17=25'] Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 95:[17, 76], Operations: ['80-63=17', '84-8=76'] Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,95 unequal: No Solution Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[8, 80, 21], Operations: ['84-63=21'] Exploring Operation: 8+80=88, Resulting Numbers: [21, 88] Generated Node #0,0,0: 95:[21, 88] Operation: 8+80=88 Exploring Operation: 80/8=10, Resulting Numbers: [21, 10] Generated Node #0,0,1: 95:[21, 10] Operation: 80/8=10 Exploring Operation: 80+21=101, Resulting Numbers: [8, 101] Generated Node #0,0,2: 95:[8, 101] Operation: 80+21=101 Exploring Operation: 80-8=72, Resulting Numbers: [21, 72] Generated Node #0,0,3: 95:[21, 72] Operation: 80-8=72 Exploring Operation: 21-8=13, Resulting Numbers: [80, 13] Generated Node #0,0,4: 95:[80, 13] Operation: 21-8=13 Moving to Node #0,0,1 Current State: 95:[21, 10], Operations: ['84-63=21', '80/8=10'] Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,95 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[8, 101], Operations: ['84-63=21', '80+21=101'] Exploring Operation: 8+101=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 101-8=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 8*101=808, Resulting Numbers: [808] 808,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[21, 88], Operations: ['84-63=21', '8+80=88'] Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 21+88=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 21*88=1848, Resulting Numbers: [1848] 1848,95 unequal: No Solution Moving to Node #0,0,4 Current State: 95:[80, 13], Operations: ['84-63=21', '21-8=13'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 80*13=1040, Resulting Numbers: [1040] 1040,95 unequal: No Solution Exploring Operation: 80+13=93, Resulting Numbers: [93] 93,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[21, 72], Operations: ['84-63=21', '80-8=72'] Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,95 unequal: No Solution Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 95:[63, 8, 4], Operations: ['84-80=4'] Exploring Operation: 63-8=55, Resulting Numbers: [4, 55] Generated Node #0,2,0: 95:[4, 55] Operation: 63-8=55 Exploring Operation: 8-4=4, Resulting Numbers: [63, 4] Generated Node #0,2,1: 95:[63, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [63, 2] Generated Node #0,2,2: 95:[63, 2] Operation: 8/4=2 Exploring Operation: 63+8=71, Resulting Numbers: [4, 71] Generated Node #0,2,3: 95:[4, 71] Operation: 63+8=71 Exploring Operation: 63+4=67, Resulting Numbers: [8, 67] Generated Node #0,2,4: 95:[8, 67] Operation: 63+4=67 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 95:[4, 71], Operations: ['84-80=4', '63+8=71'] Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 4*71=284, Resulting Numbers: [284] 284,95 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 95:[8, 67], Operations: ['84-80=4', '63+4=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 95:[63, 4], Operations: ['84-80=4', '8-4=4'] Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,95 unequal: No Solution Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 95:[63, 2], Operations: ['84-80=4', '8/4=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,95 unequal: No Solution Exploring Operation: 63*2=126, Resulting Numbers: [126] 126,95 unequal: No Solution Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 95:[4, 55], Operations: ['84-80=4', '63-8=55'] Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,95 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,95 unequal: No Solution Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[63, 84, 10], Operations: ['80/8=10'] Exploring Operation: 84+10=94, Resulting Numbers: [63, 94] Generated Node #0,1,0: 95:[63, 94] Operation: 84+10=94 Exploring Operation: 84-63=21, Resulting Numbers: [10, 21] Generated Node #0,1,1: 95:[10, 21] Operation: 84-63=21 Exploring Operation: 84-10=74, Resulting Numbers: [63, 74] Generated Node #0,1,2: 95:[63, 74] Operation: 84-10=74 Exploring Operation: 63-10=53, Resulting Numbers: [84, 53] Generated Node #0,1,3: 95:[84, 53] Operation: 63-10=53 Exploring Operation: 63+10=73, Resulting Numbers: [84, 73] Generated Node #0,1,4: 95:[84, 73] Operation: 63+10=73 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[10, 21], Operations: ['80/8=10', '84-63=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,95 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[63, 94], Operations: ['80/8=10', '84+10=94'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,95 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,95 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 95:[84, 73], Operations: ['80/8=10', '63+10=73'] Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,95 unequal: No Solution Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 95:[84, 53], Operations: ['80/8=10', '63-10=53'] Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,95 unequal: No Solution Exploring Operation: 84*53=4452, Resulting Numbers: [4452] 4452,95 unequal: No Solution Exploring Operation: 84+53=137, Resulting Numbers: [137] 137,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[63, 74], Operations: ['80/8=10', '84-10=74'] Exploring Operation: 63*74=4662, Resulting Numbers: [4662] 4662,95 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,95 unequal: No Solution Exploring Operation: 63+74=137, Resulting Numbers: [137] 137,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 95:[80, 84, 71], Operations: ['63+8=71'] Exploring Operation: 84+71=155, Resulting Numbers: [80, 155] Generated Node #0,3,0: 95:[80, 155] Operation: 84+71=155 Exploring Operation: 84-80=4, Resulting Numbers: [71, 4] Generated Node #0,3,1: 95:[71, 4] Operation: 84-80=4 Exploring Operation: 80+71=151, Resulting Numbers: [84, 151] Generated Node #0,3,2: 95:[84, 151] Operation: 80+71=151 Exploring Operation: 80-71=9, Resulting Numbers: [84, 9] Generated Node #0,3,3: 95:[84, 9] Operation: 80-71=9 Exploring Operation: 84-71=13, Resulting Numbers: [80, 13] Generated Node #0,3,4: 95:[80, 13] Operation: 84-71=13 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 95:[84, 9], Operations: ['63+8=71', '80-71=9'] Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,95 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,95 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 95:[80, 13], Operations: ['63+8=71', '84-71=13'] Exploring Operation: 80*13=1040, Resulting Numbers: [1040] 1040,95 unequal: No Solution Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 80+13=93, Resulting Numbers: [93] 93,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 95:[71, 4], Operations: ['63+8=71', '84-80=4'] Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,95 unequal: No Solution Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,95 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[84, 151], Operations: ['63+8=71', '80+71=151'] Exploring Operation: 84+151=235, Resulting Numbers: [235] 235,95 unequal: No Solution Exploring Operation: 151-84=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 84*151=12684, Resulting Numbers: [12684] 12684,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 95:[80, 155], Operations: ['63+8=71', '84+71=155'] Exploring Operation: 80+155=235, Resulting Numbers: [235] 235,95 unequal: No Solution Exploring Operation: 80*155=12400, Resulting Numbers: [12400] 12400,95 unequal: No Solution Exploring Operation: 155-80=75, Resulting Numbers: [75] 75,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 43, 6, 31, 2 ]
12
[ "43-6=37", "37-31=6", "2*6=12" ]
Current State: 12:[43, 6, 31, 2], Operations: [] Exploring Operation: 43-6=37, Resulting Numbers: [31, 2, 37] Generated Node #2: [31, 2, 37] from Operation: 43-6=37 Current State: 12:[31, 2, 37], Operations: ['43-6=37'] Exploring Operation: 37-31=6, Resulting Numbers: [2, 6] Generated Node #3: [2, 6] from Operation: 37-31=6 Current State: 12:[2, 6], Operations: ['43-6=37', '37-31=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[43, 6, 31, 2], Operations: [] Exploring Operation: 43-6=37, Resulting Numbers: [31, 2, 37] Generated Node #0,0: 12:[31, 2, 37] Operation: 43-6=37 Exploring Operation: 43-31=12, Resulting Numbers: [6, 2, 12] Generated Node #0,1: 12:[6, 2, 12] Operation: 43-31=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[6, 2, 12], Operations: ['43-31=12'] Exploring Operation: 6*2=12, Resulting Numbers: [12, 12] Generated Node #0,1,0: 12:[12, 12] Operation: 6*2=12 Exploring Operation: 6-2=4, Resulting Numbers: [12, 4] Generated Node #0,1,1: 12:[12, 4] Operation: 6-2=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[12, 12], Operations: ['43-31=12', '6*2=12'] Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,12 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[12, 4], Operations: ['43-31=12', '6-2=4'] Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,12 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: 12:[31, 2, 37], Operations: ['43-6=37'] Exploring Operation: 37-31=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 12:[2, 6] Operation: 37-31=6 Exploring Operation: 31-2=29, Resulting Numbers: [37, 29] Generated Node #0,0,1: 12:[37, 29] Operation: 31-2=29 Moving to Node #0,0,0 Current State: 12:[2, 6], Operations: ['43-6=37', '37-31=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[43, 6, 31, 2], Operations: [] Exploring Operation: 43-6=37, Resulting Numbers: [31, 2, 37] Generated Node #0,0: 12:[31, 2, 37] Operation: 43-6=37 Moving to Node #0,0 Current State: 12:[31, 2, 37], Operations: ['43-6=37'] Exploring Operation: 37-31=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 12:[2, 6] Operation: 37-31=6 Moving to Node #0,0,0 Current State: 12:[2, 6], Operations: ['43-6=37', '37-31=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 20, 80, 50, 93 ]
91
[ "20+80=100", "100/50=2", "93-2=91" ]
Current State: 91:[20, 80, 50, 93], Operations: [] Exploring Operation: 20+80=100, Resulting Numbers: [50, 93, 100] Generated Node #2: [50, 93, 100] from Operation: 20+80=100 Current State: 91:[50, 93, 100], Operations: ['20+80=100'] Exploring Operation: 100/50=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 100/50=2 Current State: 91:[93, 2], Operations: ['20+80=100', '100/50=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[20, 80, 50, 93], Operations: [] Exploring Operation: 80-50=30, Resulting Numbers: [20, 93, 30] Generated Node #0,0: 91:[20, 93, 30] Operation: 80-50=30 Moving to Node #0,0 Current State: 91:[20, 93, 30], Operations: ['80-50=30'] Exploring Operation: 30-20=10, Resulting Numbers: [93, 10] Generated Node #0,0,0: 91:[93, 10] Operation: 30-20=10 Moving to Node #0,0,0 Current State: 91:[93, 10], Operations: ['80-50=30', '30-20=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,91 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 18, 80, 11, 57 ]
61
[ "18*11=198", "80+57=137", "198-137=61" ]
Current State: 61:[18, 80, 11, 57], Operations: [] Exploring Operation: 18*11=198, Resulting Numbers: [80, 57, 198] Generated Node #2: [80, 57, 198] from Operation: 18*11=198 Current State: 61:[80, 57, 198], Operations: ['18*11=198'] Exploring Operation: 80+57=137, Resulting Numbers: [198, 137] Generated Node #3: [198, 137] from Operation: 80+57=137 Current State: 61:[198, 137], Operations: ['18*11=198', '80+57=137'] Exploring Operation: 198-137=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[18, 80, 11, 57], Operations: [] Exploring Operation: 11+57=68, Resulting Numbers: [18, 80, 68] Generated Node #0,0: 61:[18, 80, 68] Operation: 11+57=68 Exploring Operation: 80-18=62, Resulting Numbers: [11, 57, 62] Generated Node #0,1: 61:[11, 57, 62] Operation: 80-18=62 Exploring Operation: 80-11=69, Resulting Numbers: [18, 57, 69] Generated Node #0,2: 61:[18, 57, 69] Operation: 80-11=69 Exploring Operation: 18+11=29, Resulting Numbers: [80, 57, 29] Generated Node #0,3: 61:[80, 57, 29] Operation: 18+11=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[11, 57, 62], Operations: ['80-18=62'] Exploring Operation: 11+57=68, Resulting Numbers: [62, 68] Generated Node #0,1,0: 61:[62, 68] Operation: 11+57=68 Exploring Operation: 11+62=73, Resulting Numbers: [57, 73] Generated Node #0,1,1: 61:[57, 73] Operation: 11+62=73 Exploring Operation: 57-11=46, Resulting Numbers: [62, 46] Generated Node #0,1,2: 61:[62, 46] Operation: 57-11=46 Exploring Operation: 62-11=51, Resulting Numbers: [57, 51] Generated Node #0,1,3: 61:[57, 51] Operation: 62-11=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[62, 68], Operations: ['80-18=62', '11+57=68'] Exploring Operation: 62+68=130, Resulting Numbers: [130] 130,61 unequal: No Solution Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 62*68=4216, Resulting Numbers: [4216] 4216,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[57, 51], Operations: ['80-18=62', '62-11=51'] Exploring Operation: 57+51=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 57*51=2907, Resulting Numbers: [2907] 2907,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[57, 73], Operations: ['80-18=62', '11+62=73'] Exploring Operation: 57+73=130, Resulting Numbers: [130] 130,61 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,61 unequal: No Solution Exploring Operation: 57*73=4161, Resulting Numbers: [4161] 4161,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[62, 46], Operations: ['80-18=62', '57-11=46'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,61 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,61 unequal: No Solution Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[18, 57, 69], Operations: ['80-11=69'] Exploring Operation: 57-18=39, Resulting Numbers: [69, 39] Generated Node #0,2,0: 61:[69, 39] Operation: 57-18=39 Exploring Operation: 18+69=87, Resulting Numbers: [57, 87] Generated Node #0,2,1: 61:[57, 87] Operation: 18+69=87 Exploring Operation: 18+57=75, Resulting Numbers: [69, 75] Generated Node #0,2,2: 61:[69, 75] Operation: 18+57=75 Exploring Operation: 69-18=51, Resulting Numbers: [57, 51] Generated Node #0,2,3: 61:[57, 51] Operation: 69-18=51 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 61:[57, 51], Operations: ['80-11=69', '69-18=51'] Exploring Operation: 57*51=2907, Resulting Numbers: [2907] 2907,61 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 57+51=108, Resulting Numbers: [108] 108,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[69, 75], Operations: ['80-11=69', '18+57=75'] Exploring Operation: 69+75=144, Resulting Numbers: [144] 144,61 unequal: No Solution Exploring Operation: 69*75=5175, Resulting Numbers: [5175] 5175,61 unequal: No Solution Exploring Operation: 75-69=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 61:[69, 39], Operations: ['80-11=69', '57-18=39'] Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,61 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 61:[57, 87], Operations: ['80-11=69', '18+69=87'] Exploring Operation: 87-57=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 57*87=4959, Resulting Numbers: [4959] 4959,61 unequal: No Solution Exploring Operation: 57+87=144, Resulting Numbers: [144] 144,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[80, 57, 29], Operations: ['18+11=29'] Exploring Operation: 57+29=86, Resulting Numbers: [80, 86] Generated Node #0,3,0: 61:[80, 86] Operation: 57+29=86 Exploring Operation: 80+29=109, Resulting Numbers: [57, 109] Generated Node #0,3,1: 61:[57, 109] Operation: 80+29=109 Exploring Operation: 80-29=51, Resulting Numbers: [57, 51] Generated Node #0,3,2: 61:[57, 51] Operation: 80-29=51 Exploring Operation: 57-29=28, Resulting Numbers: [80, 28] Generated Node #0,3,3: 61:[80, 28] Operation: 57-29=28 Moving to Node #0,3,2 Current State: 61:[57, 51], Operations: ['18+11=29', '80-29=51'] Exploring Operation: 57+51=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 57*51=2907, Resulting Numbers: [2907] 2907,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[80, 86], Operations: ['18+11=29', '57+29=86'] Exploring Operation: 80+86=166, Resulting Numbers: [166] 166,61 unequal: No Solution Exploring Operation: 80*86=6880, Resulting Numbers: [6880] 6880,61 unequal: No Solution Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[80, 28], Operations: ['18+11=29', '57-29=28'] Exploring Operation: 80+28=108, Resulting Numbers: [108] 108,61 unequal: No Solution Exploring Operation: 80*28=2240, Resulting Numbers: [2240] 2240,61 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[57, 109], Operations: ['18+11=29', '80+29=109'] Exploring Operation: 57+109=166, Resulting Numbers: [166] 166,61 unequal: No Solution Exploring Operation: 57*109=6213, Resulting Numbers: [6213] 6213,61 unequal: No Solution Exploring Operation: 109-57=52, Resulting Numbers: [52] 52,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[18, 80, 68], Operations: ['11+57=68'] Exploring Operation: 80-18=62, Resulting Numbers: [68, 62] Generated Node #0,0,0: 61:[68, 62] Operation: 80-18=62 Exploring Operation: 18+80=98, Resulting Numbers: [68, 98] Generated Node #0,0,1: 61:[68, 98] Operation: 18+80=98 Exploring Operation: 68-18=50, Resulting Numbers: [80, 50] Generated Node #0,0,2: 61:[80, 50] Operation: 68-18=50 Exploring Operation: 18+68=86, Resulting Numbers: [80, 86] Generated Node #0,0,3: 61:[80, 86] Operation: 18+68=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 61:[68, 62], Operations: ['11+57=68', '80-18=62'] Exploring Operation: 68*62=4216, Resulting Numbers: [4216] 4216,61 unequal: No Solution Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,61 unequal: No Solution Exploring Operation: 68+62=130, Resulting Numbers: [130] 130,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 61:[80, 50], Operations: ['11+57=68', '68-18=50'] Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,61 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[68, 98], Operations: ['11+57=68', '18+80=98'] Exploring Operation: 98-68=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 68+98=166, Resulting Numbers: [166] 166,61 unequal: No Solution Exploring Operation: 68*98=6664, Resulting Numbers: [6664] 6664,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 61:[80, 86], Operations: ['11+57=68', '18+68=86'] Exploring Operation: 80*86=6880, Resulting Numbers: [6880] 6880,61 unequal: No Solution Exploring Operation: 80+86=166, Resulting Numbers: [166] 166,61 unequal: No Solution Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 88, 83, 40, 56 ]
91
[ "88-83=5", "40+56=96", "96-5=91" ]
Current State: 91:[88, 83, 40, 56], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [40, 56, 5] Generated Node #2: [40, 56, 5] from Operation: 88-83=5 Current State: 91:[40, 56, 5], Operations: ['88-83=5'] Exploring Operation: 40+56=96, Resulting Numbers: [5, 96] Generated Node #3: [5, 96] from Operation: 40+56=96 Current State: 91:[5, 96], Operations: ['88-83=5', '40+56=96'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[88, 83, 40, 56], Operations: [] Exploring Operation: 40+56=96, Resulting Numbers: [88, 83, 96] Generated Node #0,0: 91:[88, 83, 96] Operation: 40+56=96 Exploring Operation: 56-40=16, Resulting Numbers: [88, 83, 16] Generated Node #0,1: 91:[88, 83, 16] Operation: 56-40=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[88, 83, 16], Operations: ['56-40=16'] Exploring Operation: 83+16=99, Resulting Numbers: [88, 99] Generated Node #0,1,0: 91:[88, 99] Operation: 83+16=99 Exploring Operation: 88-83=5, Resulting Numbers: [16, 5] Generated Node #0,1,1: 91:[16, 5] Operation: 88-83=5 Moving to Node #0,1,1 Current State: 91:[16, 5], Operations: ['56-40=16', '88-83=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[88, 99], Operations: ['56-40=16', '83+16=99'] Exploring Operation: 88+99=187, Resulting Numbers: [187] 187,91 unequal: No Solution Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[88, 83, 96], Operations: ['40+56=96'] Exploring Operation: 88-83=5, Resulting Numbers: [96, 5] Generated Node #0,0,0: 91:[96, 5] Operation: 88-83=5 Exploring Operation: 96-83=13, Resulting Numbers: [88, 13] Generated Node #0,0,1: 91:[88, 13] Operation: 96-83=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[88, 13], Operations: ['40+56=96', '96-83=13'] Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 88+13=101, Resulting Numbers: [101] 101,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 91:[96, 5], Operations: ['40+56=96', '88-83=5'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[88, 83, 40, 56], Operations: [] Exploring Operation: 40+56=96, Resulting Numbers: [88, 83, 96] Generated Node #0,0: 91:[88, 83, 96] Operation: 40+56=96 Moving to Node #0,0 Current State: 91:[88, 83, 96], Operations: ['40+56=96'] Exploring Operation: 88-83=5, Resulting Numbers: [96, 5] Generated Node #0,0,0: 91:[96, 5] Operation: 88-83=5 Moving to Node #0,0,0 Current State: 91:[96, 5], Operations: ['40+56=96', '88-83=5'] Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 68, 29, 24, 76 ]
89
[ "29*76=2204", "2204-68=2136", "2136/24=89" ]
Current State: 89:[68, 29, 24, 76], Operations: [] Exploring Operation: 29*76=2204, Resulting Numbers: [68, 24, 2204] Generated Node #2: [68, 24, 2204] from Operation: 29*76=2204 Current State: 89:[68, 24, 2204], Operations: ['29*76=2204'] Exploring Operation: 2204-68=2136, Resulting Numbers: [24, 2136] Generated Node #3: [24, 2136] from Operation: 2204-68=2136 Current State: 89:[24, 2136], Operations: ['29*76=2204', '2204-68=2136'] Exploring Operation: 2136/24=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[68, 29, 24, 76], Operations: [] Exploring Operation: 68+29=97, Resulting Numbers: [24, 76, 97] Generated Node #0,0: 89:[24, 76, 97] Operation: 68+29=97 Exploring Operation: 29+24=53, Resulting Numbers: [68, 76, 53] Generated Node #0,1: 89:[68, 76, 53] Operation: 29+24=53 Exploring Operation: 68+24=92, Resulting Numbers: [29, 76, 92] Generated Node #0,2: 89:[29, 76, 92] Operation: 68+24=92 Moving to Node #0,1 Current State: 89:[68, 76, 53], Operations: ['29+24=53'] Exploring Operation: 68+53=121, Resulting Numbers: [76, 121] Generated Node #0,1,0: 89:[76, 121] Operation: 68+53=121 Exploring Operation: 68-53=15, Resulting Numbers: [76, 15] Generated Node #0,1,1: 89:[76, 15] Operation: 68-53=15 Exploring Operation: 76+53=129, Resulting Numbers: [68, 129] Generated Node #0,1,2: 89:[68, 129] Operation: 76+53=129 Moving to Node #0,2 Current State: 89:[29, 76, 92], Operations: ['68+24=92'] Exploring Operation: 92-29=63, Resulting Numbers: [76, 63] Generated Node #0,2,0: 89:[76, 63] Operation: 92-29=63 Exploring Operation: 76-29=47, Resulting Numbers: [92, 47] Generated Node #0,2,1: 89:[92, 47] Operation: 76-29=47 Exploring Operation: 29+76=105, Resulting Numbers: [92, 105] Generated Node #0,2,2: 89:[92, 105] Operation: 29+76=105 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[92, 105], Operations: ['68+24=92', '29+76=105'] Exploring Operation: 105-92=13, Resulting Numbers: [13] 13,89 unequal: No Solution Exploring Operation: 92*105=9660, Resulting Numbers: [9660] 9660,89 unequal: No Solution Exploring Operation: 92+105=197, Resulting Numbers: [197] 197,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[76, 63], Operations: ['68+24=92', '92-29=63'] Exploring Operation: 76*63=4788, Resulting Numbers: [4788] 4788,89 unequal: No Solution Exploring Operation: 76-63=13, Resulting Numbers: [13] 13,89 unequal: No Solution Exploring Operation: 76+63=139, Resulting Numbers: [139] 139,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[92, 47], Operations: ['68+24=92', '76-29=47'] Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,89 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: 89:[24, 76, 97], Operations: ['68+29=97'] Exploring Operation: 24+76=100, Resulting Numbers: [97, 100] Generated Node #0,0,0: 89:[97, 100] Operation: 24+76=100 Exploring Operation: 76-24=52, Resulting Numbers: [97, 52] Generated Node #0,0,1: 89:[97, 52] Operation: 76-24=52 Exploring Operation: 97-24=73, Resulting Numbers: [76, 73] Generated Node #0,0,2: 89:[76, 73] Operation: 97-24=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[97, 100], Operations: ['68+29=97', '24+76=100'] Exploring Operation: 97+100=197, Resulting Numbers: [197] 197,89 unequal: No Solution Exploring Operation: 97*100=9700, Resulting Numbers: [9700] 9700,89 unequal: No Solution Exploring Operation: 100-97=3, Resulting Numbers: [3] 3,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[76, 73], Operations: ['68+29=97', '97-24=73'] Exploring Operation: 76*73=5548, Resulting Numbers: [5548] 5548,89 unequal: No Solution Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,89 unequal: No Solution Exploring Operation: 76+73=149, Resulting Numbers: [149] 149,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[97, 52], Operations: ['68+29=97', '76-24=52'] Exploring Operation: 97-52=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 97+52=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 97*52=5044, Resulting Numbers: [5044] 5044,89 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: 89:[76, 121], Operations: ['29+24=53', '68+53=121'] Exploring Operation: 76*121=9196, Resulting Numbers: [9196] 9196,89 unequal: No Solution Exploring Operation: 121-76=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 76+121=197, Resulting Numbers: [197] 197,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[68, 129], Operations: ['29+24=53', '76+53=129'] Exploring Operation: 68+129=197, Resulting Numbers: [197] 197,89 unequal: No Solution Exploring Operation: 129-68=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 68*129=8772, Resulting Numbers: [8772] 8772,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[76, 15], Operations: ['29+24=53', '68-53=15'] Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,89 unequal: No Solution Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,89 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 25, 87, 26 ]
53
[ "35+25=60", "87+26=113", "113-60=53" ]
Current State: 53:[35, 25, 87, 26], Operations: [] Exploring Operation: 35+25=60, Resulting Numbers: [87, 26, 60] Generated Node #2: [87, 26, 60] from Operation: 35+25=60 Current State: 53:[87, 26, 60], Operations: ['35+25=60'] Exploring Operation: 87+26=113, Resulting Numbers: [60, 113] Generated Node #3: [60, 113] from Operation: 87+26=113 Current State: 53:[60, 113], Operations: ['35+25=60', '87+26=113'] Exploring Operation: 113-60=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[35, 25, 87, 26], Operations: [] Exploring Operation: 87-25=62, Resulting Numbers: [35, 26, 62] Generated Node #0,0: 53:[35, 26, 62] Operation: 87-25=62 Exploring Operation: 25+26=51, Resulting Numbers: [35, 87, 51] Generated Node #0,1: 53:[35, 87, 51] Operation: 25+26=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[35, 26, 62], Operations: ['87-25=62'] Exploring Operation: 62-26=36, Resulting Numbers: [35, 36] Generated Node #0,0,0: 53:[35, 36] Operation: 62-26=36 Exploring Operation: 35+26=61, Resulting Numbers: [62, 61] Generated Node #0,0,1: 53:[62, 61] Operation: 35+26=61 Moving to Node #0,0,1 Current State: 53:[62, 61], Operations: ['87-25=62', '35+26=61'] Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 62+61=123, Resulting Numbers: [123] 123,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[35, 36], Operations: ['87-25=62', '62-26=36'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[35, 87, 51], Operations: ['25+26=51'] Exploring Operation: 87-51=36, Resulting Numbers: [35, 36] Generated Node #0,1,0: 53:[35, 36] Operation: 87-51=36 Exploring Operation: 87-35=52, Resulting Numbers: [51, 52] Generated Node #0,1,1: 53:[51, 52] Operation: 87-35=52 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[51, 52], Operations: ['25+26=51', '87-35=52'] Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 51+52=103, Resulting Numbers: [103] 103,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[35, 36], Operations: ['25+26=51', '87-51=36'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 54, 3, 99, 78 ]
93
[ "99-54=45", "45/3=15", "78+15=93" ]
Current State: 93:[54, 3, 99, 78], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [3, 78, 45] Generated Node #2: [3, 78, 45] from Operation: 99-54=45 Current State: 93:[3, 78, 45], Operations: ['99-54=45'] Exploring Operation: 45/3=15, Resulting Numbers: [78, 15] Generated Node #3: [78, 15] from Operation: 45/3=15 Current State: 93:[78, 15], Operations: ['99-54=45', '45/3=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[54, 3, 99, 78], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [3, 99, 24] Generated Node #0,0: 93:[3, 99, 24] Operation: 78-54=24 Exploring Operation: 99-54=45, Resulting Numbers: [3, 78, 45] Generated Node #0,1: 93:[3, 78, 45] Operation: 99-54=45 Exploring Operation: 99-78=21, Resulting Numbers: [54, 3, 21] Generated Node #0,2: 93:[54, 3, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[3, 99, 24], Operations: ['78-54=24'] Exploring Operation: 99/3=33, Resulting Numbers: [24, 33] Generated Node #0,0,0: 93:[24, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [24, 96] Generated Node #0,0,1: 93:[24, 96] Operation: 99-3=96 Exploring Operation: 3+24=27, Resulting Numbers: [99, 27] Generated Node #0,0,2: 93:[99, 27] Operation: 3+24=27 Moving to Node #0,0,0 Current State: 93:[24, 33], Operations: ['78-54=24', '99/3=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[24, 96], Operations: ['78-54=24', '99-3=96'] Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[99, 27], Operations: ['78-54=24', '3+24=27'] Exploring Operation: 99*27=2673, Resulting Numbers: [2673] 2673,93 unequal: No Solution Exploring Operation: 99-27=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 99+27=126, Resulting Numbers: [126] 126,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[3, 78, 45], Operations: ['99-54=45'] Exploring Operation: 78-45=33, Resulting Numbers: [3, 33] Generated Node #0,1,0: 93:[3, 33] Operation: 78-45=33 Exploring Operation: 78/3=26, Resulting Numbers: [45, 26] Generated Node #0,1,1: 93:[45, 26] Operation: 78/3=26 Exploring Operation: 3+78=81, Resulting Numbers: [45, 81] Generated Node #0,1,2: 93:[45, 81] Operation: 3+78=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 93:[3, 33], Operations: ['99-54=45', '78-45=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 93:[45, 26], Operations: ['99-54=45', '78/3=26'] Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,93 unequal: No Solution Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,93 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 93:[45, 81], Operations: ['99-54=45', '3+78=81'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 45+81=126, Resulting Numbers: [126] 126,93 unequal: No Solution Exploring Operation: 45*81=3645, Resulting Numbers: [3645] 3645,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[54, 3, 21], Operations: ['99-78=21'] Exploring Operation: 54-21=33, Resulting Numbers: [3, 33] Generated Node #0,2,0: 93:[3, 33] Operation: 54-21=33 Exploring Operation: 54+21=75, Resulting Numbers: [3, 75] Generated Node #0,2,1: 93:[3, 75] Operation: 54+21=75 Exploring Operation: 54/3=18, Resulting Numbers: [21, 18] Generated Node #0,2,2: 93:[21, 18] Operation: 54/3=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[3, 33], Operations: ['99-78=21', '54-21=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,93 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[3, 75], Operations: ['99-78=21', '54+21=75'] Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,93 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,93 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[21, 18], Operations: ['99-78=21', '54/3=18'] Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,93 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 6, 3, 99, 36 ]
31
[ "36/6=6", "99-6=93", "93/3=31" ]
Current State: 31:[6, 3, 99, 36], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [3, 99, 6] Generated Node #2: [3, 99, 6] from Operation: 36/6=6 Current State: 31:[3, 99, 6], Operations: ['36/6=6'] Exploring Operation: 99-6=93, Resulting Numbers: [3, 93] Generated Node #3: [3, 93] from Operation: 99-6=93 Current State: 31:[3, 93], Operations: ['36/6=6', '99-6=93'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[6, 3, 99, 36], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [6, 3, 63] Generated Node #0,0: 31:[6, 3, 63] Operation: 99-36=63 Exploring Operation: 99/3=33, Resulting Numbers: [6, 36, 33] Generated Node #0,1: 31:[6, 36, 33] Operation: 99/3=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[6, 36, 33], Operations: ['99/3=33'] Exploring Operation: 36-6=30, Resulting Numbers: [33, 30] Generated Node #0,1,0: 31:[33, 30] Operation: 36-6=30 Exploring Operation: 33-6=27, Resulting Numbers: [36, 27] Generated Node #0,1,1: 31:[36, 27] Operation: 33-6=27 Moving to Node #0,1,0 Current State: 31:[33, 30], Operations: ['99/3=33', '36-6=30'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,31 unequal: No Solution Exploring Operation: 33+30=63, Resulting Numbers: [63] 63,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[36, 27], Operations: ['99/3=33', '33-6=27'] Exploring Operation: 36+27=63, Resulting Numbers: [63] 63,31 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[6, 3, 63], Operations: ['99-36=63'] Exploring Operation: 63/3=21, Resulting Numbers: [6, 21] Generated Node #0,0,0: 31:[6, 21] Operation: 63/3=21 Exploring Operation: 6*3=18, Resulting Numbers: [63, 18] Generated Node #0,0,1: 31:[63, 18] Operation: 6*3=18 Moving to Node #0,0,0 Current State: 31:[6, 21], Operations: ['99-36=63', '63/3=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,31 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[63, 18], Operations: ['99-36=63', '6*3=18'] Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 63+18=81, Resulting Numbers: [81] 81,31 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
[ 83, 68, 2, 88 ]
59
[ "83-68=15", "88/2=44", "15+44=59" ]
Current State: 59:[83, 68, 2, 88], Operations: [] Exploring Operation: 83-68=15, Resulting Numbers: [2, 88, 15] Generated Node #2: [2, 88, 15] from Operation: 83-68=15 Current State: 59:[2, 88, 15], Operations: ['83-68=15'] Exploring Operation: 88/2=44, Resulting Numbers: [15, 44] Generated Node #3: [15, 44] from Operation: 88/2=44 Current State: 59:[15, 44], Operations: ['83-68=15', '88/2=44'] Exploring Operation: 15+44=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[83, 68, 2, 88], Operations: [] Exploring Operation: 83+2=85, Resulting Numbers: [68, 88, 85] Generated Node #0,0: 59:[68, 88, 85] Operation: 83+2=85 Exploring Operation: 88/2=44, Resulting Numbers: [83, 68, 44] Generated Node #0,1: 59:[83, 68, 44] Operation: 88/2=44 Exploring Operation: 88-2=86, Resulting Numbers: [83, 68, 86] Generated Node #0,2: 59:[83, 68, 86] Operation: 88-2=86 Exploring Operation: 83-2=81, Resulting Numbers: [68, 88, 81] Generated Node #0,3: 59:[68, 88, 81] Operation: 83-2=81 Exploring Operation: 68-2=66, Resulting Numbers: [83, 88, 66] Generated Node #0,4: 59:[83, 88, 66] Operation: 68-2=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[83, 68, 44], Operations: ['88/2=44'] Exploring Operation: 68+44=112, Resulting Numbers: [83, 112] Generated Node #0,1,0: 59:[83, 112] Operation: 68+44=112 Exploring Operation: 68-44=24, Resulting Numbers: [83, 24] Generated Node #0,1,1: 59:[83, 24] Operation: 68-44=24 Exploring Operation: 83-44=39, Resulting Numbers: [68, 39] Generated Node #0,1,2: 59:[68, 39] Operation: 83-44=39 Exploring Operation: 83+44=127, Resulting Numbers: [68, 127] Generated Node #0,1,3: 59:[68, 127] Operation: 83+44=127 Exploring Operation: 83-68=15, Resulting Numbers: [44, 15] Generated Node #0,1,4: 59:[44, 15] Operation: 83-68=15 Moving to Node #0,1,2 Current State: 59:[68, 39], Operations: ['88/2=44', '83-44=39'] Exploring Operation: 68*39=2652, Resulting Numbers: [2652] 2652,59 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,59 unequal: No Solution Exploring Operation: 68+39=107, Resulting Numbers: [107] 107,59 unequal: No Solution Moving to Node #0,1,4 Current State: 59:[44, 15], Operations: ['88/2=44', '83-68=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[83, 68, 2, 88], Operations: [] Exploring Operation: 88/2=44, Resulting Numbers: [83, 68, 44] Generated Node #0,1: 59:[83, 68, 44] Operation: 88/2=44 Moving to Node #0,1 Current State: 59:[83, 68, 44], Operations: ['88/2=44'] Exploring Operation: 83-68=15, Resulting Numbers: [44, 15] Generated Node #0,1,4: 59:[44, 15] Operation: 83-68=15 Moving to Node #0,1,4 Current State: 59:[44, 15], Operations: ['88/2=44', '83-68=15'] Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 40, 85, 64, 40 ]
20
[ "40/40=1", "85-64=21", "21-1=20" ]
Current State: 20:[40, 85, 64, 40], Operations: [] Exploring Operation: 40/40=1, Resulting Numbers: [85, 64, 1] Generated Node #2: [85, 64, 1] from Operation: 40/40=1 Current State: 20:[85, 64, 1], Operations: ['40/40=1'] Exploring Operation: 85-64=21, Resulting Numbers: [1, 21] Generated Node #3: [1, 21] from Operation: 85-64=21 Current State: 20:[1, 21], Operations: ['40/40=1', '85-64=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[40, 85, 64, 40], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [40, 40, 21] Generated Node #0,0: 20:[40, 40, 21] Operation: 85-64=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[40, 40, 21], Operations: ['85-64=21'] Exploring Operation: 40/40=1, Resulting Numbers: [21, 1] Generated Node #0,0,0: 20:[21, 1] Operation: 40/40=1 Moving to Node #0,0,0 Current State: 20:[21, 1], Operations: ['85-64=21', '40/40=1'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[40, 85, 64, 40], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [40, 40, 21] Generated Node #0,0: 20:[40, 40, 21] Operation: 85-64=21 Moving to Node #0,0 Current State: 20:[40, 40, 21], Operations: ['85-64=21'] Exploring Operation: 40/40=1, Resulting Numbers: [21, 1] Generated Node #0,0,0: 20:[21, 1] Operation: 40/40=1 Moving to Node #0,0,0 Current State: 20:[21, 1], Operations: ['85-64=21', '40/40=1'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 84, 93, 2, 99 ]
21
[ "84+93=177", "2*99=198", "198-177=21" ]
Current State: 21:[84, 93, 2, 99], Operations: [] Exploring Operation: 84+93=177, Resulting Numbers: [2, 99, 177] Generated Node #2: [2, 99, 177] from Operation: 84+93=177 Current State: 21:[2, 99, 177], Operations: ['84+93=177'] Exploring Operation: 2*99=198, Resulting Numbers: [177, 198] Generated Node #3: [177, 198] from Operation: 2*99=198 Current State: 21:[177, 198], Operations: ['84+93=177', '2*99=198'] Exploring Operation: 198-177=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[84, 93, 2, 99], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [2, 99, 9] Generated Node #0,0: 21:[2, 99, 9] Operation: 93-84=9 Exploring Operation: 99-93=6, Resulting Numbers: [84, 2, 6] Generated Node #0,1: 21:[84, 2, 6] Operation: 99-93=6 Exploring Operation: 99-84=15, Resulting Numbers: [93, 2, 15] Generated Node #0,2: 21:[93, 2, 15] Operation: 99-84=15 Moving to Node #0,1 Current State: 21:[84, 2, 6], Operations: ['99-93=6'] Exploring Operation: 84/6=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 21:[2, 14] Operation: 84/6=14 Exploring Operation: 84/2=42, Resulting Numbers: [6, 42] Generated Node #0,1,1: 21:[6, 42] Operation: 84/2=42 Exploring Operation: 84-6=78, Resulting Numbers: [2, 78] Generated Node #0,1,2: 21:[2, 78] Operation: 84-6=78 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 21:[2, 14], Operations: ['99-93=6', '84/6=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 21:[6, 42], Operations: ['99-93=6', '84/2=42'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 21:[2, 78], Operations: ['99-93=6', '84-6=78'] Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,21 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: 21:[93, 2, 15], Operations: ['99-84=15'] Exploring Operation: 93-2=91, Resulting Numbers: [15, 91] Generated Node #0,2,0: 21:[15, 91] Operation: 93-2=91 Exploring Operation: 2+15=17, Resulting Numbers: [93, 17] Generated Node #0,2,1: 21:[93, 17] Operation: 2+15=17 Exploring Operation: 93-15=78, Resulting Numbers: [2, 78] Generated Node #0,2,2: 21:[2, 78] Operation: 93-15=78 Moving to Node #0,0 Current State: 21:[2, 99, 9], Operations: ['93-84=9'] Exploring Operation: 99-2=97, Resulting Numbers: [9, 97] Generated Node #0,0,0: 21:[9, 97] Operation: 99-2=97 Exploring Operation: 99/9=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 21:[2, 11] Operation: 99/9=11 Exploring Operation: 99-9=90, Resulting Numbers: [2, 90] Generated Node #0,0,2: 21:[2, 90] Operation: 99-9=90 Moving to Node #0,0,1 Current State: 21:[2, 11], Operations: ['93-84=9', '99/9=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,21 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[2, 78], Operations: ['99-84=15', '93-15=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,21 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,21 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[2, 90], Operations: ['93-84=9', '99-9=90'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,21 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,21 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[93, 17], Operations: ['99-84=15', '2+15=17'] Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,21 unequal: No Solution Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,21 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[15, 91], Operations: ['99-84=15', '93-2=91'] Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,21 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,21 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[9, 97], Operations: ['93-84=9', '99-2=97'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,21 unequal: No Solution Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,21 unequal: No Solution Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,21 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 30, 19, 93, 31 ]
52
[ "30+19=49", "93/31=3", "49+3=52" ]
Current State: 52:[30, 19, 93, 31], Operations: [] Exploring Operation: 30+19=49, Resulting Numbers: [93, 31, 49] Generated Node #2: [93, 31, 49] from Operation: 30+19=49 Current State: 52:[93, 31, 49], Operations: ['30+19=49'] Exploring Operation: 93/31=3, Resulting Numbers: [49, 3] Generated Node #3: [49, 3] from Operation: 93/31=3 Current State: 52:[49, 3], Operations: ['30+19=49', '93/31=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[30, 19, 93, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [30, 19, 3] Generated Node #0,0: 52:[30, 19, 3] Operation: 93/31=3 Exploring Operation: 93-31=62, Resulting Numbers: [30, 19, 62] Generated Node #0,1: 52:[30, 19, 62] Operation: 93-31=62 Exploring Operation: 93-30=63, Resulting Numbers: [19, 31, 63] Generated Node #0,2: 52:[19, 31, 63] Operation: 93-30=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[30, 19, 3], Operations: ['93/31=3'] Exploring Operation: 30-3=27, Resulting Numbers: [19, 27] Generated Node #0,0,0: 52:[19, 27] Operation: 30-3=27 Exploring Operation: 30-19=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 52:[3, 11] Operation: 30-19=11 Exploring Operation: 30+19=49, Resulting Numbers: [3, 49] Generated Node #0,0,2: 52:[3, 49] Operation: 30+19=49 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[3, 11], Operations: ['93/31=3', '30-19=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 52:[3, 49], Operations: ['93/31=3', '30+19=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[30, 19, 93, 31], Operations: [] Exploring Operation: 93/31=3, Resulting Numbers: [30, 19, 3] Generated Node #0,0: 52:[30, 19, 3] Operation: 93/31=3 Moving to Node #0,0 Current State: 52:[30, 19, 3], Operations: ['93/31=3'] Exploring Operation: 30+19=49, Resulting Numbers: [3, 49] Generated Node #0,0,2: 52:[3, 49] Operation: 30+19=49 Moving to Node #0,0,2 Current State: 52:[3, 49], Operations: ['93/31=3', '30+19=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 89, 75, 28, 78 ]
39
[ "89-75=14", "28/14=2", "78/2=39" ]
Current State: 39:[89, 75, 28, 78], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [28, 78, 14] Generated Node #2: [28, 78, 14] from Operation: 89-75=14 Current State: 39:[28, 78, 14], Operations: ['89-75=14'] Exploring Operation: 28/14=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 28/14=2 Current State: 39:[78, 2], Operations: ['89-75=14', '28/14=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[89, 75, 28, 78], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [75, 28, 11] Generated Node #0,0: 39:[75, 28, 11] Operation: 89-78=11 Exploring Operation: 78-75=3, Resulting Numbers: [89, 28, 3] Generated Node #0,1: 39:[89, 28, 3] Operation: 78-75=3 Exploring Operation: 89-28=61, Resulting Numbers: [75, 78, 61] Generated Node #0,2: 39:[75, 78, 61] Operation: 89-28=61 Exploring Operation: 89-75=14, Resulting Numbers: [28, 78, 14] Generated Node #0,3: 39:[28, 78, 14] Operation: 89-75=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[75, 28, 11], Operations: ['89-78=11'] Exploring Operation: 75-11=64, Resulting Numbers: [28, 64] Generated Node #0,0,0: 39:[28, 64] Operation: 75-11=64 Exploring Operation: 28+11=39, Resulting Numbers: [75, 39] Generated Node #0,0,1: 39:[75, 39] Operation: 28+11=39 Exploring Operation: 28-11=17, Resulting Numbers: [75, 17] Generated Node #0,0,2: 39:[75, 17] Operation: 28-11=17 Exploring Operation: 75-28=47, Resulting Numbers: [11, 47] Generated Node #0,0,3: 39:[11, 47] Operation: 75-28=47 Moving to Node #0,0,3 Current State: 39:[11, 47], Operations: ['89-78=11', '75-28=47'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[75, 39], Operations: ['89-78=11', '28+11=39'] Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 75+39=114, Resulting Numbers: [114] 114,39 unequal: No Solution Exploring Operation: 75*39=2925, Resulting Numbers: [2925] 2925,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[28, 64], Operations: ['89-78=11', '75-11=64'] Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,39 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[75, 17], Operations: ['89-78=11', '28-11=17'] Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,39 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,39 unequal: No Solution Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[28, 78, 14], Operations: ['89-75=14'] Exploring Operation: 78-28=50, Resulting Numbers: [14, 50] Generated Node #0,3,0: 39:[14, 50] Operation: 78-28=50 Exploring Operation: 78-14=64, Resulting Numbers: [28, 64] Generated Node #0,3,1: 39:[28, 64] Operation: 78-14=64 Exploring Operation: 28-14=14, Resulting Numbers: [78, 14] Generated Node #0,3,2: 39:[78, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [78, 2] Generated Node #0,3,3: 39:[78, 2] Operation: 28/14=2 Moving to Node #0,3,0 Current State: 39:[14, 50], Operations: ['89-75=14', '78-28=50'] Exploring Operation: 14+50=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 14*50=700, Resulting Numbers: [700] 700,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[28, 64], Operations: ['89-75=14', '78-14=64'] Exploring Operation: 28+64=92, Resulting Numbers: [92] 92,39 unequal: No Solution Exploring Operation: 64-28=36, Resulting Numbers: [36] 36,39 unequal: No Solution Exploring Operation: 28*64=1792, Resulting Numbers: [1792] 1792,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[78, 2], Operations: ['89-75=14', '28/14=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[89, 75, 28, 78], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [28, 78, 14] Generated Node #0,3: 39:[28, 78, 14] Operation: 89-75=14 Moving to Node #0,3 Current State: 39:[28, 78, 14], Operations: ['89-75=14'] Exploring Operation: 28/14=2, Resulting Numbers: [78, 2] Generated Node #0,3,3: 39:[78, 2] Operation: 28/14=2 Moving to Node #0,3,3 Current State: 39:[78, 2], Operations: ['89-75=14', '28/14=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 33, 76, 3, 3 ]
69
[ "33*3=99", "99-76=23", "3*23=69" ]
Current State: 69:[33, 76, 3, 3], Operations: [] Exploring Operation: 33*3=99, Resulting Numbers: [76, 99] Generated Node #2: [76, 99] from Operation: 33*3=99 Current State: 69:[76, 99], Operations: ['33*3=99'] Exploring Operation: 99-76=23, Resulting Numbers: [23] 23,69 equal: Goal Reached Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[33, 76, 3, 3], Operations: [] Exploring Operation: 33-3=30, Resulting Numbers: [76, 3, 30] Generated Node #0,0: 69:[76, 3, 30] Operation: 33-3=30 Exploring Operation: 33-3=30, Resulting Numbers: [76, 3, 30] Generated Node #0,1: 69:[76, 3, 30] Operation: 33-3=30 Exploring Operation: 76-3=73, Resulting Numbers: [33, 3, 73] Generated Node #0,2: 69:[33, 3, 73] Operation: 76-3=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[76, 3, 30], Operations: ['33-3=30'] Exploring Operation: 30-3=27, Resulting Numbers: [76, 27] Generated Node #0,0,0: 69:[76, 27] Operation: 30-3=27 Exploring Operation: 76-3=73, Resulting Numbers: [30, 73] Generated Node #0,0,1: 69:[30, 73] Operation: 76-3=73 Exploring Operation: 30/3=10, Resulting Numbers: [76, 10] Generated Node #0,0,2: 69:[76, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[76, 27], Operations: ['33-3=30', '30-3=27'] Exploring Operation: 76+27=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 76*27=2052, Resulting Numbers: [2052] 2052,69 unequal: No Solution Exploring Operation: 76-27=49, Resulting Numbers: [49] 49,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[30, 73], Operations: ['33-3=30', '76-3=73'] Exploring Operation: 30*73=2190, Resulting Numbers: [2190] 2190,69 unequal: No Solution Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 30+73=103, Resulting Numbers: [103] 103,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 69:[76, 10], Operations: ['33-3=30', '30/3=10'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,69 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,69 unequal: No Solution Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[76, 3, 30], Operations: ['33-3=30'] Exploring Operation: 30/3=10, Resulting Numbers: [76, 10] Generated Node #0,1,0: 69:[76, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [76, 27] Generated Node #0,1,1: 69:[76, 27] Operation: 30-3=27 Exploring Operation: 76-3=73, Resulting Numbers: [30, 73] Generated Node #0,1,2: 69:[30, 73] Operation: 76-3=73 Moving to Node #0,1,1 Current State: 69:[76, 27], Operations: ['33-3=30', '30-3=27'] Exploring Operation: 76-27=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 76*27=2052, Resulting Numbers: [2052] 2052,69 unequal: No Solution Exploring Operation: 76+27=103, Resulting Numbers: [103] 103,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[30, 73], Operations: ['33-3=30', '76-3=73'] Exploring Operation: 30+73=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 30*73=2190, Resulting Numbers: [2190] 2190,69 unequal: No Solution Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[76, 10], Operations: ['33-3=30', '30/3=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,69 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,69 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[33, 3, 73], Operations: ['76-3=73'] Exploring Operation: 73-3=70, Resulting Numbers: [33, 70] Generated Node #0,2,0: 69:[33, 70] Operation: 73-3=70 Exploring Operation: 33-3=30, Resulting Numbers: [73, 30] Generated Node #0,2,1: 69:[73, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [73, 11] Generated Node #0,2,2: 69:[73, 11] Operation: 33/3=11 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[33, 70], Operations: ['76-3=73', '73-3=70'] Exploring Operation: 33+70=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 33*70=2310, Resulting Numbers: [2310] 2310,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[73, 30], Operations: ['76-3=73', '33-3=30'] Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 73*30=2190, Resulting Numbers: [2190] 2190,69 unequal: No Solution Exploring Operation: 73+30=103, Resulting Numbers: [103] 103,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[73, 11], Operations: ['76-3=73', '33/3=11'] Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,69 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,69 unequal: No Solution Exploring Operation: 73*11=803, Resulting Numbers: [803] 803,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 18, 2, 82, 43 ]
11
[ "82-18=64", "64/2=32", "43-32=11" ]
Current State: 11:[18, 2, 82, 43], Operations: [] Exploring Operation: 82-18=64, Resulting Numbers: [2, 43, 64] Generated Node #2: [2, 43, 64] from Operation: 82-18=64 Current State: 11:[2, 43, 64], Operations: ['82-18=64'] Exploring Operation: 64/2=32, Resulting Numbers: [43, 32] Generated Node #3: [43, 32] from Operation: 64/2=32 Current State: 11:[43, 32], Operations: ['82-18=64', '64/2=32'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[18, 2, 82, 43], Operations: [] Exploring Operation: 82-43=39, Resulting Numbers: [18, 2, 39] Generated Node #0,0: 11:[18, 2, 39] Operation: 82-43=39 Exploring Operation: 82/2=41, Resulting Numbers: [18, 43, 41] Generated Node #0,1: 11:[18, 43, 41] Operation: 82/2=41 Moving to Node #0,0 Current State: 11:[18, 2, 39], Operations: ['82-43=39'] Exploring Operation: 18/2=9, Resulting Numbers: [39, 9] Generated Node #0,0,0: 11:[39, 9] Operation: 18/2=9 Exploring Operation: 39-18=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 11:[2, 21] Operation: 39-18=21 Moving to Node #0,1 Current State: 11:[18, 43, 41], Operations: ['82/2=41'] Exploring Operation: 43-41=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 11:[18, 2] Operation: 43-41=2 Exploring Operation: 43-18=25, Resulting Numbers: [41, 25] Generated Node #0,1,1: 11:[41, 25] Operation: 43-18=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[18, 2], Operations: ['82/2=41', '43-41=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,11 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 #0,1,1 Current State: 11:[41, 25], Operations: ['82/2=41', '43-18=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,11 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:[2, 21], Operations: ['82-43=39', '39-18=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[39, 9], Operations: ['82-43=39', '18/2=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,11 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 5, 69, 7 ]
79
[ "5-2=3", "69+7=76", "3+76=79" ]
Current State: 79:[2, 5, 69, 7], Operations: [] Exploring Operation: 5-2=3, Resulting Numbers: [69, 7, 3] Generated Node #2: [69, 7, 3] from Operation: 5-2=3 Current State: 79:[69, 7, 3], Operations: ['5-2=3'] Exploring Operation: 69+7=76, Resulting Numbers: [3, 76] Generated Node #3: [3, 76] from Operation: 69+7=76 Current State: 79:[3, 76], Operations: ['5-2=3', '69+7=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[2, 5, 69, 7], Operations: [] Exploring Operation: 5*7=35, Resulting Numbers: [2, 69, 35] Generated Node #0,0: 79:[2, 69, 35] Operation: 5*7=35 Exploring Operation: 2*7=14, Resulting Numbers: [5, 69, 14] Generated Node #0,1: 79:[5, 69, 14] Operation: 2*7=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[2, 69, 35], Operations: ['5*7=35'] Exploring Operation: 2*35=70, Resulting Numbers: [69, 70] Generated Node #0,0,0: 79:[69, 70] Operation: 2*35=70 Exploring Operation: 2+69=71, Resulting Numbers: [35, 71] Generated Node #0,0,1: 79:[35, 71] Operation: 2+69=71 Moving to Node #0,0,0 Current State: 79:[69, 70], Operations: ['5*7=35', '2*35=70'] Exploring Operation: 70-69=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 69+70=139, Resulting Numbers: [139] 139,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[35, 71], Operations: ['5*7=35', '2+69=71'] Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 35+71=106, Resulting Numbers: [106] 106,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[5, 69, 14], Operations: ['2*7=14'] Exploring Operation: 5+69=74, Resulting Numbers: [14, 74] Generated Node #0,1,0: 79:[14, 74] Operation: 5+69=74 Exploring Operation: 5*14=70, Resulting Numbers: [69, 70] Generated Node #0,1,1: 79:[69, 70] Operation: 5*14=70 Moving to Node #0,1,1 Current State: 79:[69, 70], Operations: ['2*7=14', '5*14=70'] Exploring Operation: 69+70=139, Resulting Numbers: [139] 139,79 unequal: No Solution Exploring Operation: 70-69=1, Resulting Numbers: [1] 1,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[14, 74], Operations: ['2*7=14', '5+69=74'] Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,79 unequal: No Solution Exploring Operation: 14+74=88, Resulting Numbers: [88] 88,79 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, 18, 48, 51 ]
62
[ "85*48=4080", "4080/51=80", "80-18=62" ]
Current State: 62:[85, 18, 48, 51], Operations: [] Exploring Operation: 85*48=4080, Resulting Numbers: [18, 51, 4080] Generated Node #2: [18, 51, 4080] from Operation: 85*48=4080 Current State: 62:[18, 51, 4080], Operations: ['85*48=4080'] Exploring Operation: 4080/51=80, Resulting Numbers: [18, 80] Generated Node #3: [18, 80] from Operation: 4080/51=80 Current State: 62:[18, 80], Operations: ['85*48=4080', '4080/51=80'] Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[85, 18, 48, 51], Operations: [] Exploring Operation: 85-51=34, Resulting Numbers: [18, 48, 34] Generated Node #0,0: 62:[18, 48, 34] Operation: 85-51=34 Exploring Operation: 85-48=37, Resulting Numbers: [18, 51, 37] Generated Node #0,1: 62:[18, 51, 37] Operation: 85-48=37 Exploring Operation: 85-18=67, Resulting Numbers: [48, 51, 67] Generated Node #0,2: 62:[48, 51, 67] Operation: 85-18=67 Moving to Node #0,0 Current State: 62:[18, 48, 34], Operations: ['85-51=34'] Exploring Operation: 18+34=52, Resulting Numbers: [48, 52] Generated Node #0,0,0: 62:[48, 52] Operation: 18+34=52 Exploring Operation: 48-18=30, Resulting Numbers: [34, 30] Generated Node #0,0,1: 62:[34, 30] Operation: 48-18=30 Exploring Operation: 18+48=66, Resulting Numbers: [34, 66] Generated Node #0,0,2: 62:[34, 66] Operation: 18+48=66 Moving to Node #0,1 Current State: 62:[18, 51, 37], Operations: ['85-48=37'] Exploring Operation: 18+37=55, Resulting Numbers: [51, 55] Generated Node #0,1,0: 62:[51, 55] Operation: 18+37=55 Exploring Operation: 18+51=69, Resulting Numbers: [37, 69] Generated Node #0,1,1: 62:[37, 69] Operation: 18+51=69 Exploring Operation: 51-18=33, Resulting Numbers: [37, 33] Generated Node #0,1,2: 62:[37, 33] Operation: 51-18=33 Moving to Node #0,2 Current State: 62:[48, 51, 67], Operations: ['85-18=67'] Exploring Operation: 51-48=3, Resulting Numbers: [67, 3] Generated Node #0,2,0: 62:[67, 3] Operation: 51-48=3 Exploring Operation: 67-48=19, Resulting Numbers: [51, 19] Generated Node #0,2,1: 62:[51, 19] Operation: 67-48=19 Exploring Operation: 67-51=16, Resulting Numbers: [48, 16] Generated Node #0,2,2: 62:[48, 16] Operation: 67-51=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[67, 3], Operations: ['85-18=67', '51-48=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,62 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 67*3=201, Resulting Numbers: [201] 201,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[51, 19], Operations: ['85-18=67', '67-48=19'] Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,62 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[48, 16], Operations: ['85-18=67', '67-51=16'] Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,62 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: 62:[34, 30], Operations: ['85-51=34', '48-18=30'] Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,62 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,62 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[34, 66], Operations: ['85-51=34', '18+48=66'] Exploring Operation: 34+66=100, Resulting Numbers: [100] 100,62 unequal: No Solution Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 34*66=2244, Resulting Numbers: [2244] 2244,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[37, 33], Operations: ['85-48=37', '51-18=33'] Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,62 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[37, 69], Operations: ['85-48=37', '18+51=69'] Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,62 unequal: No Solution Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[51, 55], Operations: ['85-48=37', '18+37=55'] Exploring Operation: 51+55=106, Resulting Numbers: [106] 106,62 unequal: No Solution Exploring Operation: 51*55=2805, Resulting Numbers: [2805] 2805,62 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[48, 52], Operations: ['85-51=34', '18+34=52'] Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,62 unequal: No Solution Exploring Operation: 48*52=2496, Resulting Numbers: [2496] 2496,62 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 45, 90, 88 ]
83
[ "88-7=81", "90/45=2", "81+2=83" ]
Current State: 83:[7, 45, 90, 88], Operations: [] Exploring Operation: 88-7=81, Resulting Numbers: [45, 90, 81] Generated Node #2: [45, 90, 81] from Operation: 88-7=81 Current State: 83:[45, 90, 81], Operations: ['88-7=81'] Exploring Operation: 90/45=2, Resulting Numbers: [81, 2] Generated Node #3: [81, 2] from Operation: 90/45=2 Current State: 83:[81, 2], Operations: ['88-7=81', '90/45=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[7, 45, 90, 88], Operations: [] Exploring Operation: 7+45=52, Resulting Numbers: [90, 88, 52] Generated Node #0,0: 83:[90, 88, 52] Operation: 7+45=52 Exploring Operation: 88-7=81, Resulting Numbers: [45, 90, 81] Generated Node #0,1: 83:[45, 90, 81] Operation: 88-7=81 Exploring Operation: 45-7=38, Resulting Numbers: [90, 88, 38] Generated Node #0,2: 83:[90, 88, 38] Operation: 45-7=38 Exploring Operation: 90-7=83, Resulting Numbers: [45, 88, 83] Generated Node #0,3: 83:[45, 88, 83] Operation: 90-7=83 Moving to Node #0,0 Current State: 83:[90, 88, 52], Operations: ['7+45=52'] Exploring Operation: 90-52=38, Resulting Numbers: [88, 38] Generated Node #0,0,0: 83:[88, 38] Operation: 90-52=38 Exploring Operation: 88+52=140, Resulting Numbers: [90, 140] Generated Node #0,0,1: 83:[90, 140] Operation: 88+52=140 Exploring Operation: 90+52=142, Resulting Numbers: [88, 142] Generated Node #0,0,2: 83:[88, 142] Operation: 90+52=142 Exploring Operation: 88-52=36, Resulting Numbers: [90, 36] Generated Node #0,0,3: 83:[90, 36] Operation: 88-52=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[88, 38], Operations: ['7+45=52', '90-52=38'] Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,83 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,83 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 #0,0,3 Current State: 83:[90, 36], Operations: ['7+45=52', '88-52=36'] Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,83 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,83 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 #0,0,1 Current State: 83:[90, 140], Operations: ['7+45=52', '88+52=140'] Exploring Operation: 90+140=230, Resulting Numbers: [230] 230,83 unequal: No Solution Exploring Operation: 90*140=12600, Resulting Numbers: [12600] 12600,83 unequal: No Solution Exploring Operation: 140-90=50, Resulting Numbers: [50] 50,83 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 #0,0,2 Current State: 83:[88, 142], Operations: ['7+45=52', '90+52=142'] Exploring Operation: 88+142=230, Resulting Numbers: [230] 230,83 unequal: No Solution Exploring Operation: 142-88=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 88*142=12496, Resulting Numbers: [12496] 12496,83 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: 83:[45, 88, 83], Operations: ['90-7=83'] Exploring Operation: 45+83=128, Resulting Numbers: [88, 128] Generated Node #0,3,0: 83:[88, 128] Operation: 45+83=128 Exploring Operation: 45+88=133, Resulting Numbers: [83, 133] Generated Node #0,3,1: 83:[83, 133] Operation: 45+88=133 Exploring Operation: 83-45=38, Resulting Numbers: [88, 38] Generated Node #0,3,2: 83:[88, 38] Operation: 83-45=38 Exploring Operation: 88-45=43, Resulting Numbers: [83, 43] Generated Node #0,3,3: 83:[83, 43] Operation: 88-45=43 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[83, 43], Operations: ['90-7=83', '88-45=43'] Exploring Operation: 83+43=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 83*43=3569, Resulting Numbers: [3569] 3569,83 unequal: No Solution Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,83 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 #0,3,0 Current State: 83:[88, 128], Operations: ['90-7=83', '45+83=128'] Exploring Operation: 88*128=11264, Resulting Numbers: [11264] 11264,83 unequal: No Solution Exploring Operation: 88+128=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 128-88=40, Resulting Numbers: [40] 40,83 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 #0,3,1 Current State: 83:[83, 133], Operations: ['90-7=83', '45+88=133'] Exploring Operation: 83+133=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 133-83=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 83*133=11039, Resulting Numbers: [11039] 11039,83 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 #0,3,2 Current State: 83:[88, 38], Operations: ['90-7=83', '83-45=38'] Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 88+38=126, Resulting Numbers: [126] 126,83 unequal: No Solution Exploring Operation: 88*38=3344, Resulting Numbers: [3344] 3344,83 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: 83:[45, 90, 81], Operations: ['88-7=81'] Exploring Operation: 81-45=36, Resulting Numbers: [90, 36] Generated Node #0,1,0: 83:[90, 36] Operation: 81-45=36 Exploring Operation: 45+81=126, Resulting Numbers: [90, 126] Generated Node #0,1,1: 83:[90, 126] Operation: 45+81=126 Exploring Operation: 45+90=135, Resulting Numbers: [81, 135] Generated Node #0,1,2: 83:[81, 135] Operation: 45+90=135 Exploring Operation: 90-45=45, Resulting Numbers: [81, 45] Generated Node #0,1,3: 83:[81, 45] Operation: 90-45=45 Moving to Node #0,2 Current State: 83:[90, 88, 38], Operations: ['45-7=38'] Exploring Operation: 88-38=50, Resulting Numbers: [90, 50] Generated Node #0,2,0: 83:[90, 50] Operation: 88-38=50 Exploring Operation: 90-38=52, Resulting Numbers: [88, 52] Generated Node #0,2,1: 83:[88, 52] Operation: 90-38=52 Exploring Operation: 88+38=126, Resulting Numbers: [90, 126] Generated Node #0,2,2: 83:[90, 126] Operation: 88+38=126 Exploring Operation: 90+38=128, Resulting Numbers: [88, 128] Generated Node #0,2,3: 83:[88, 128] Operation: 90+38=128 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[88, 52], Operations: ['45-7=38', '90-38=52'] Exploring Operation: 88+52=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 88-52=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 88*52=4576, Resulting Numbers: [4576] 4576,83 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:[90, 50], Operations: ['45-7=38', '88-38=50'] Exploring Operation: 90+50=140, Resulting Numbers: [140] 140,83 unequal: No Solution Exploring Operation: 90*50=4500, Resulting Numbers: [4500] 4500,83 unequal: No Solution Exploring Operation: 90-50=40, Resulting Numbers: [40] 40,83 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 #0,2,2 Current State: 83:[90, 126], Operations: ['45-7=38', '88+38=126'] Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,83 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,83 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 #0,2,3 Current State: 83:[88, 128], Operations: ['45-7=38', '90+38=128'] Exploring Operation: 128-88=40, Resulting Numbers: [40] 40,83 unequal: No Solution Exploring Operation: 88+128=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 88*128=11264, Resulting Numbers: [11264] 11264,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 83:[81, 45], Operations: ['88-7=81', '90-45=45'] Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,83 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[90, 126], Operations: ['88-7=81', '45+81=126'] Exploring Operation: 126-90=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 90+126=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 90*126=11340, Resulting Numbers: [11340] 11340,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[81, 135], Operations: ['88-7=81', '45+90=135'] Exploring Operation: 135-81=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 81+135=216, Resulting Numbers: [216] 216,83 unequal: No Solution Exploring Operation: 81*135=10935, Resulting Numbers: [10935] 10935,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[90, 36], Operations: ['88-7=81', '81-45=36'] Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,83 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,83 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 90, 12, 57, 7 ]
39
[ "12-7=5", "90/5=18", "57-18=39" ]
Current State: 39:[90, 12, 57, 7], Operations: [] Exploring Operation: 12-7=5, Resulting Numbers: [90, 57, 5] Generated Node #2: [90, 57, 5] from Operation: 12-7=5 Current State: 39:[90, 57, 5], Operations: ['12-7=5'] Exploring Operation: 90/5=18, Resulting Numbers: [57, 18] Generated Node #3: [57, 18] from Operation: 90/5=18 Current State: 39:[57, 18], Operations: ['12-7=5', '90/5=18'] Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[90, 12, 57, 7], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [12, 7, 33] Generated Node #0,0: 39:[12, 7, 33] Operation: 90-57=33 Exploring Operation: 90-12=78, Resulting Numbers: [57, 7, 78] Generated Node #0,1: 39:[57, 7, 78] Operation: 90-12=78 Exploring Operation: 57-12=45, Resulting Numbers: [90, 7, 45] Generated Node #0,2: 39:[90, 7, 45] Operation: 57-12=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[12, 7, 33], Operations: ['90-57=33'] Exploring Operation: 12+33=45, Resulting Numbers: [7, 45] Generated Node #0,0,0: 39:[7, 45] Operation: 12+33=45 Exploring Operation: 7+33=40, Resulting Numbers: [12, 40] Generated Node #0,0,1: 39:[12, 40] Operation: 7+33=40 Exploring Operation: 12-7=5, Resulting Numbers: [33, 5] Generated Node #0,0,2: 39:[33, 5] Operation: 12-7=5 Moving to Node #0,0,1 Current State: 39:[12, 40], Operations: ['90-57=33', '7+33=40'] Exploring Operation: 12*40=480, Resulting Numbers: [480] 480,39 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[33, 5], Operations: ['90-57=33', '12-7=5'] Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,39 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[7, 45], Operations: ['90-57=33', '12+33=45'] Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,39 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[57, 7, 78], Operations: ['90-12=78'] Exploring Operation: 78-57=21, Resulting Numbers: [7, 21] Generated Node #0,1,0: 39:[7, 21] Operation: 78-57=21 Exploring Operation: 57-7=50, Resulting Numbers: [78, 50] Generated Node #0,1,1: 39:[78, 50] Operation: 57-7=50 Exploring Operation: 78-7=71, Resulting Numbers: [57, 71] Generated Node #0,1,2: 39:[57, 71] Operation: 78-7=71 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[7, 21], Operations: ['90-12=78', '78-57=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,39 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[78, 50], Operations: ['90-12=78', '57-7=50'] Exploring Operation: 78+50=128, Resulting Numbers: [128] 128,39 unequal: No Solution Exploring Operation: 78*50=3900, Resulting Numbers: [3900] 3900,39 unequal: No Solution Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 39:[57, 71], Operations: ['90-12=78', '78-7=71'] Exploring Operation: 57+71=128, Resulting Numbers: [128] 128,39 unequal: No Solution Exploring Operation: 71-57=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 57*71=4047, Resulting Numbers: [4047] 4047,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[90, 7, 45], Operations: ['57-12=45'] Exploring Operation: 90-7=83, Resulting Numbers: [45, 83] Generated Node #0,2,0: 39:[45, 83] Operation: 90-7=83 Exploring Operation: 90-45=45, Resulting Numbers: [7, 45] Generated Node #0,2,1: 39:[7, 45] Operation: 90-45=45 Exploring Operation: 90/45=2, Resulting Numbers: [7, 2] Generated Node #0,2,2: 39:[7, 2] Operation: 90/45=2 Moving to Node #0,2,2 Current State: 39:[7, 2], Operations: ['57-12=45', '90/45=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[7, 45], Operations: ['57-12=45', '90-45=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[45, 83], Operations: ['57-12=45', '90-7=83'] Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,39 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,39 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
[ 69, 85, 16, 20 ]
64
[ "85-69=16", "20-16=4", "16*4=64" ]
Current State: 64:[69, 85, 16, 20], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [16, 20, 16] Generated Node #2: [16, 20, 16] from Operation: 85-69=16 Current State: 64:[16, 20, 16], Operations: ['85-69=16'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,64 equal: Goal Reached Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[69, 85, 16, 20], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [16, 20, 16] Generated Node #0,0: 64:[16, 20, 16] Operation: 85-69=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[16, 20, 16], Operations: ['85-69=16'] Exploring Operation: 20-16=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 64:[16, 4] Operation: 20-16=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[16, 4], Operations: ['85-69=16', '20-16=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[69, 85, 16, 20], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [16, 20, 16] Generated Node #0,0: 64:[16, 20, 16] Operation: 85-69=16 Moving to Node #0,0 Current State: 64:[16, 20, 16], Operations: ['85-69=16'] Exploring Operation: 20-16=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 64:[16, 4] Operation: 20-16=4 Moving to Node #0,0,0 Current State: 64:[16, 4], Operations: ['85-69=16', '20-16=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 94, 96, 16, 24 ]
90
[ "96/16=6", "24/6=4", "94-4=90" ]
Current State: 90:[94, 96, 16, 24], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [94, 24, 6] Generated Node #2: [94, 24, 6] from Operation: 96/16=6 Current State: 90:[94, 24, 6], Operations: ['96/16=6'] Exploring Operation: 24/6=4, Resulting Numbers: [94, 4] Generated Node #3: [94, 4] from Operation: 24/6=4 Current State: 90:[94, 4], Operations: ['96/16=6', '24/6=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[94, 96, 16, 24], Operations: [] Exploring Operation: 96/24=4, Resulting Numbers: [94, 16, 4] Generated Node #0,0: 90:[94, 16, 4] Operation: 96/24=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[94, 16, 4], Operations: ['96/24=4'] Exploring Operation: 94-4=90, Resulting Numbers: [16, 90] Generated Node #0,0,0: 90:[16, 90] Operation: 94-4=90 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[16, 90], Operations: ['96/24=4', '94-4=90'] Exploring Operation: 16+90=106, Resulting Numbers: [106] 106,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 7, 67, 24 ]
87
[ "24-2=22", "7*22=154", "154-67=87" ]
Current State: 87:[2, 7, 67, 24], Operations: [] Exploring Operation: 24-2=22, Resulting Numbers: [7, 67, 22] Generated Node #2: [7, 67, 22] from Operation: 24-2=22 Current State: 87:[7, 67, 22], Operations: ['24-2=22'] Exploring Operation: 7*22=154, Resulting Numbers: [67, 154] Generated Node #3: [67, 154] from Operation: 7*22=154 Current State: 87:[67, 154], Operations: ['24-2=22', '7*22=154'] Exploring Operation: 154-67=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[2, 7, 67, 24], Operations: [] Exploring Operation: 67+24=91, Resulting Numbers: [2, 7, 91] Generated Node #0,0: 87:[2, 7, 91] Operation: 67+24=91 Exploring Operation: 7+67=74, Resulting Numbers: [2, 24, 74] Generated Node #0,1: 87:[2, 24, 74] Operation: 7+67=74 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[2, 7, 91], Operations: ['67+24=91'] Exploring Operation: 91-7=84, Resulting Numbers: [2, 84] Generated Node #0,0,0: 87:[2, 84] Operation: 91-7=84 Exploring Operation: 7-2=5, Resulting Numbers: [91, 5] Generated Node #0,0,1: 87:[91, 5] Operation: 7-2=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[2, 84], Operations: ['67+24=91', '91-7=84'] Exploring Operation: 2+84=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[91, 5], Operations: ['67+24=91', '7-2=5'] Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,87 unequal: No Solution Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[2, 24, 74], Operations: ['7+67=74'] Exploring Operation: 24+74=98, Resulting Numbers: [2, 98] Generated Node #0,1,0: 87:[2, 98] Operation: 24+74=98 Exploring Operation: 74/2=37, Resulting Numbers: [24, 37] Generated Node #0,1,1: 87:[24, 37] Operation: 74/2=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[2, 98], Operations: ['7+67=74', '24+74=98'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 2+98=100, Resulting Numbers: [100] 100,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[24, 37], Operations: ['7+67=74', '74/2=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 60, 38, 24, 74 ]
90
[ "74-38=36", "60*36=2160", "2160/24=90" ]
Current State: 90:[60, 38, 24, 74], Operations: [] Exploring Operation: 74-38=36, Resulting Numbers: [60, 24, 36] Generated Node #2: [60, 24, 36] from Operation: 74-38=36 Current State: 90:[60, 24, 36], Operations: ['74-38=36'] Exploring Operation: 60*36=2160, Resulting Numbers: [24, 2160] Generated Node #3: [24, 2160] from Operation: 60*36=2160 Current State: 90:[24, 2160], Operations: ['74-38=36', '60*36=2160'] Exploring Operation: 2160/24=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[60, 38, 24, 74], Operations: [] Exploring Operation: 74-24=50, Resulting Numbers: [60, 38, 50] Generated Node #0,0: 90:[60, 38, 50] Operation: 74-24=50 Exploring Operation: 60-38=22, Resulting Numbers: [24, 74, 22] Generated Node #0,1: 90:[24, 74, 22] Operation: 60-38=22 Exploring Operation: 60+24=84, Resulting Numbers: [38, 74, 84] Generated Node #0,2: 90:[38, 74, 84] Operation: 60+24=84 Exploring Operation: 74-38=36, Resulting Numbers: [60, 24, 36] Generated Node #0,3: 90:[60, 24, 36] Operation: 74-38=36 Exploring Operation: 74-60=14, Resulting Numbers: [38, 24, 14] Generated Node #0,4: 90:[38, 24, 14] Operation: 74-60=14 Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[38, 24, 14], Operations: ['74-60=14'] Exploring Operation: 24-14=10, Resulting Numbers: [38, 10] Generated Node #0,4,0: 90:[38, 10] Operation: 24-14=10 Exploring Operation: 38+14=52, Resulting Numbers: [24, 52] Generated Node #0,4,1: 90:[24, 52] Operation: 38+14=52 Exploring Operation: 38-14=24, Resulting Numbers: [24, 24] Generated Node #0,4,2: 90:[24, 24] Operation: 38-14=24 Exploring Operation: 24+14=38, Resulting Numbers: [38, 38] Generated Node #0,4,3: 90:[38, 38] Operation: 24+14=38 Exploring Operation: 38-24=14, Resulting Numbers: [14, 14] Generated Node #0,4,4: 90:[14, 14] Operation: 38-24=14 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 90:[14, 14], Operations: ['74-60=14', '38-24=14'] Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 14*14=196, Resulting Numbers: [196] 196,90 unequal: No Solution Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 90:[38, 10], Operations: ['74-60=14', '24-14=10'] Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,90 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 90:[24, 24], Operations: ['74-60=14', '38-14=24'] Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 90:[24, 52], Operations: ['74-60=14', '38+14=52'] Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 24*52=1248, Resulting Numbers: [1248] 1248,90 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 90:[38, 38], Operations: ['74-60=14', '24+14=38'] Exploring Operation: 38-38=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 38/38=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 38*38=1444, Resulting Numbers: [1444] 1444,90 unequal: No Solution Exploring Operation: 38+38=76, Resulting Numbers: [76] 76,90 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: 90:[24, 74, 22], Operations: ['60-38=22'] Exploring Operation: 74+22=96, Resulting Numbers: [24, 96] Generated Node #0,1,0: 90:[24, 96] Operation: 74+22=96 Exploring Operation: 24+74=98, Resulting Numbers: [22, 98] Generated Node #0,1,1: 90:[22, 98] Operation: 24+74=98 Exploring Operation: 24-22=2, Resulting Numbers: [74, 2] Generated Node #0,1,2: 90:[74, 2] Operation: 24-22=2 Exploring Operation: 74-24=50, Resulting Numbers: [22, 50] Generated Node #0,1,3: 90:[22, 50] Operation: 74-24=50 Exploring Operation: 74-22=52, Resulting Numbers: [24, 52] Generated Node #0,1,4: 90:[24, 52] Operation: 74-22=52 Moving to Node #0,1,3 Current State: 90:[22, 50], Operations: ['60-38=22', '74-24=50'] Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 22*50=1100, Resulting Numbers: [1100] 1100,90 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[22, 98], Operations: ['60-38=22', '24+74=98'] Exploring Operation: 22+98=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 22*98=2156, Resulting Numbers: [2156] 2156,90 unequal: No Solution Exploring Operation: 98-22=76, Resulting Numbers: [76] 76,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[24, 96], Operations: ['60-38=22', '74+22=96'] Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,90 unequal: No Solution Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[24, 52], Operations: ['60-38=22', '74-22=52'] Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 24*52=1248, Resulting Numbers: [1248] 1248,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[74, 2], Operations: ['60-38=22', '24-22=2'] Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,90 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,90 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[60, 38, 50], Operations: ['74-24=50'] Exploring Operation: 60-50=10, Resulting Numbers: [38, 10] Generated Node #0,0,0: 90:[38, 10] Operation: 60-50=10 Exploring Operation: 60+38=98, Resulting Numbers: [50, 98] Generated Node #0,0,1: 90:[50, 98] Operation: 60+38=98 Exploring Operation: 50-38=12, Resulting Numbers: [60, 12] Generated Node #0,0,2: 90:[60, 12] Operation: 50-38=12 Exploring Operation: 38+50=88, Resulting Numbers: [60, 88] Generated Node #0,0,3: 90:[60, 88] Operation: 38+50=88 Exploring Operation: 60-38=22, Resulting Numbers: [50, 22] Generated Node #0,0,4: 90:[50, 22] Operation: 60-38=22 Moving to Node #0,0,0 Current State: 90:[38, 10], Operations: ['74-24=50', '60-50=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,90 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[50, 22], Operations: ['74-24=50', '60-38=22'] Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,90 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[50, 98], Operations: ['74-24=50', '60+38=98'] Exploring Operation: 98-50=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 50+98=148, Resulting Numbers: [148] 148,90 unequal: No Solution Exploring Operation: 50*98=4900, Resulting Numbers: [4900] 4900,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[60, 12], Operations: ['74-24=50', '50-38=12'] Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 60*12=720, Resulting Numbers: [720] 720,90 unequal: No Solution Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[60, 88], Operations: ['74-24=50', '38+50=88'] Exploring Operation: 60+88=148, Resulting Numbers: [148] 148,90 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 60*88=5280, Resulting Numbers: [5280] 5280,90 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 #0,3 Current State: 90:[60, 24, 36], Operations: ['74-38=36'] Exploring Operation: 36-24=12, Resulting Numbers: [60, 12] Generated Node #0,3,0: 90:[60, 12] Operation: 36-24=12 Exploring Operation: 60-24=36, Resulting Numbers: [36, 36] Generated Node #0,3,1: 90:[36, 36] Operation: 60-24=36 Exploring Operation: 60-36=24, Resulting Numbers: [24, 24] Generated Node #0,3,2: 90:[24, 24] Operation: 60-36=24 Exploring Operation: 60+24=84, Resulting Numbers: [36, 84] Generated Node #0,3,3: 90:[36, 84] Operation: 60+24=84 Exploring Operation: 60+36=96, Resulting Numbers: [24, 96] Generated Node #0,3,4: 90:[24, 96] Operation: 60+36=96 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[36, 36], Operations: ['74-38=36', '60-24=36'] Exploring Operation: 36+36=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 36-36=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 36/36=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 36*36=1296, Resulting Numbers: [1296] 1296,90 unequal: No Solution No 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: 90:[24, 24], Operations: ['74-38=36', '60-36=24'] Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,90 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 24/24=1, Resulting Numbers: [1] 1,90 unequal: No Solution No 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: 90:[36, 84], Operations: ['74-38=36', '60+24=84'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[24, 96], Operations: ['74-38=36', '60+36=96'] Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,90 unequal: No Solution Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[60, 12], Operations: ['74-38=36', '36-24=12'] Exploring Operation: 60*12=720, Resulting Numbers: [720] 720,90 unequal: No Solution Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,90 unequal: No Solution Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,90 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: 90:[38, 74, 84], Operations: ['60+24=84'] Exploring Operation: 74-38=36, Resulting Numbers: [84, 36] Generated Node #0,2,0: 90:[84, 36] Operation: 74-38=36 Exploring Operation: 84-38=46, Resulting Numbers: [74, 46] Generated Node #0,2,1: 90:[74, 46] Operation: 84-38=46 Exploring Operation: 38+84=122, Resulting Numbers: [74, 122] Generated Node #0,2,2: 90:[74, 122] Operation: 38+84=122 Exploring Operation: 84-74=10, Resulting Numbers: [38, 10] Generated Node #0,2,3: 90:[38, 10] Operation: 84-74=10 Exploring Operation: 38+74=112, Resulting Numbers: [84, 112] Generated Node #0,2,4: 90:[84, 112] Operation: 38+74=112 Moving to Node #0,2,3 Current State: 90:[38, 10], Operations: ['60+24=84', '84-74=10'] Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,90 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[84, 36], Operations: ['60+24=84', '74-38=36'] Exploring Operation: 84+36=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 84*36=3024, Resulting Numbers: [3024] 3024,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[74, 46], Operations: ['60+24=84', '84-38=46'] Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,90 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,90 unequal: No Solution Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,90 unequal: No Solution Moving to Node #0,2,4 Current State: 90:[84, 112], Operations: ['60+24=84', '38+74=112'] Exploring Operation: 84+112=196, Resulting Numbers: [196] 196,90 unequal: No Solution Exploring Operation: 84*112=9408, Resulting Numbers: [9408] 9408,90 unequal: No Solution Exploring Operation: 112-84=28, Resulting Numbers: [28] 28,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[74, 122], Operations: ['60+24=84', '38+84=122'] Exploring Operation: 74*122=9028, Resulting Numbers: [9028] 9028,90 unequal: No Solution Exploring Operation: 74+122=196, Resulting Numbers: [196] 196,90 unequal: No Solution Exploring Operation: 122-74=48, Resulting Numbers: [48] 48,90 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
[ 57, 43, 13, 70 ]
69
[ "57-43=14", "13+70=83", "83-14=69" ]
Current State: 69:[57, 43, 13, 70], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [13, 70, 14] Generated Node #2: [13, 70, 14] from Operation: 57-43=14 Current State: 69:[13, 70, 14], Operations: ['57-43=14'] Exploring Operation: 13+70=83, Resulting Numbers: [14, 83] Generated Node #3: [14, 83] from Operation: 13+70=83 Current State: 69:[14, 83], Operations: ['57-43=14', '13+70=83'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[57, 43, 13, 70], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [13, 70, 14] Generated Node #0,0: 69:[13, 70, 14] Operation: 57-43=14 Moving to Node #0,0 Current State: 69:[13, 70, 14], Operations: ['57-43=14'] Exploring Operation: 14-13=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 69:[70, 1] Operation: 14-13=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[70, 1], Operations: ['57-43=14', '14-13=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[57, 43, 13, 70], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [13, 70, 14] Generated Node #0,0: 69:[13, 70, 14] Operation: 57-43=14 Moving to Node #0,0 Current State: 69:[13, 70, 14], Operations: ['57-43=14'] Exploring Operation: 14-13=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 69:[70, 1] Operation: 14-13=1 Moving to Node #0,0,0 Current State: 69:[70, 1], Operations: ['57-43=14', '14-13=1'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 4, 60, 59, 69 ]
28
[ "59+69=128", "128/4=32", "60-32=28" ]
Current State: 28:[4, 60, 59, 69], Operations: [] Exploring Operation: 59+69=128, Resulting Numbers: [4, 60, 128] Generated Node #2: [4, 60, 128] from Operation: 59+69=128 Current State: 28:[4, 60, 128], Operations: ['59+69=128'] Exploring Operation: 128/4=32, Resulting Numbers: [60, 32] Generated Node #3: [60, 32] from Operation: 128/4=32 Current State: 28:[60, 32], Operations: ['59+69=128', '128/4=32'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[4, 60, 59, 69], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [4, 59, 9] Generated Node #0,0: 28:[4, 59, 9] Operation: 69-60=9 Moving to Node #0,0 Current State: 28:[4, 59, 9], Operations: ['69-60=9'] Exploring Operation: 59-9=50, Resulting Numbers: [4, 50] Generated Node #0,0,0: 28:[4, 50] Operation: 59-9=50 Moving to Node #0,0,0 Current State: 28:[4, 50], Operations: ['69-60=9', '59-9=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,28 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 83, 94, 41 ]
32
[ "2+83=85", "94-41=53", "85-53=32" ]
Current State: 32:[2, 83, 94, 41], Operations: [] Exploring Operation: 2+83=85, Resulting Numbers: [94, 41, 85] Generated Node #2: [94, 41, 85] from Operation: 2+83=85 Current State: 32:[94, 41, 85], Operations: ['2+83=85'] Exploring Operation: 94-41=53, Resulting Numbers: [85, 53] Generated Node #3: [85, 53] from Operation: 94-41=53 Current State: 32:[85, 53], Operations: ['2+83=85', '94-41=53'] Exploring Operation: 85-53=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[2, 83, 94, 41], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [2, 41, 11] Generated Node #0,0: 32:[2, 41, 11] Operation: 94-83=11 Exploring Operation: 94-41=53, Resulting Numbers: [2, 83, 53] Generated Node #0,1: 32:[2, 83, 53] Operation: 94-41=53 Exploring Operation: 94/2=47, Resulting Numbers: [83, 41, 47] Generated Node #0,2: 32:[83, 41, 47] Operation: 94/2=47 Exploring Operation: 83-41=42, Resulting Numbers: [2, 94, 42] Generated Node #0,3: 32:[2, 94, 42] Operation: 83-41=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 41, 11], Operations: ['94-83=11'] Exploring Operation: 41-2=39, Resulting Numbers: [11, 39] Generated Node #0,0,0: 32:[11, 39] Operation: 41-2=39 Exploring Operation: 41-11=30, Resulting Numbers: [2, 30] Generated Node #0,0,1: 32:[2, 30] Operation: 41-11=30 Exploring Operation: 11-2=9, Resulting Numbers: [41, 9] Generated Node #0,0,2: 32:[41, 9] Operation: 11-2=9 Exploring Operation: 2+11=13, Resulting Numbers: [41, 13] Generated Node #0,0,3: 32:[41, 13] Operation: 2+11=13 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[2, 30], Operations: ['94-83=11', '41-11=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[2, 83, 94, 41], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [2, 41, 11] Generated Node #0,0: 32:[2, 41, 11] Operation: 94-83=11 Moving to Node #0,0 Current State: 32:[2, 41, 11], Operations: ['94-83=11'] Exploring Operation: 41-11=30, Resulting Numbers: [2, 30] Generated Node #0,0,1: 32:[2, 30] Operation: 41-11=30 Moving to Node #0,0,1 Current State: 32:[2, 30], Operations: ['94-83=11', '41-11=30'] Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 75, 99, 33, 88 ]
97
[ "99-75=24", "33+88=121", "121-24=97" ]
Current State: 97:[75, 99, 33, 88], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [33, 88, 24] Generated Node #2: [33, 88, 24] from Operation: 99-75=24 Current State: 97:[33, 88, 24], Operations: ['99-75=24'] Exploring Operation: 33+88=121, Resulting Numbers: [24, 121] Generated Node #3: [24, 121] from Operation: 33+88=121 Current State: 97:[24, 121], Operations: ['99-75=24', '33+88=121'] Exploring Operation: 121-24=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[75, 99, 33, 88], Operations: [] Exploring Operation: 99-33=66, Resulting Numbers: [75, 88, 66] Generated Node #0,0: 97:[75, 88, 66] Operation: 99-33=66 Exploring Operation: 75-33=42, Resulting Numbers: [99, 88, 42] Generated Node #0,1: 97:[99, 88, 42] Operation: 75-33=42 Exploring Operation: 33+88=121, Resulting Numbers: [75, 99, 121] Generated Node #0,2: 97:[75, 99, 121] Operation: 33+88=121 Exploring Operation: 75+33=108, Resulting Numbers: [99, 88, 108] Generated Node #0,3: 97:[99, 88, 108] Operation: 75+33=108 Exploring Operation: 99+33=132, Resulting Numbers: [75, 88, 132] Generated Node #0,4: 97:[75, 88, 132] Operation: 99+33=132 Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[99, 88, 108], Operations: ['75+33=108'] Exploring Operation: 99-88=11, Resulting Numbers: [108, 11] Generated Node #0,3,0: 97:[108, 11] Operation: 99-88=11 Exploring Operation: 108-88=20, Resulting Numbers: [99, 20] Generated Node #0,3,1: 97:[99, 20] Operation: 108-88=20 Exploring Operation: 99+88=187, Resulting Numbers: [108, 187] Generated Node #0,3,2: 97:[108, 187] Operation: 99+88=187 Exploring Operation: 108-99=9, Resulting Numbers: [88, 9] Generated Node #0,3,3: 97:[88, 9] Operation: 108-99=9 Exploring Operation: 88+108=196, Resulting Numbers: [99, 196] Generated Node #0,3,4: 97:[99, 196] Operation: 88+108=196 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[99, 20], Operations: ['75+33=108', '108-88=20'] Exploring Operation: 99*20=1980, Resulting Numbers: [1980] 1980,97 unequal: No Solution Exploring Operation: 99+20=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[108, 11], Operations: ['75+33=108', '99-88=11'] Exploring Operation: 108+11=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 108*11=1188, Resulting Numbers: [1188] 1188,97 unequal: No Solution Exploring Operation: 108-11=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[75, 99, 33, 88], Operations: [] Exploring Operation: 75+33=108, Resulting Numbers: [99, 88, 108] Generated Node #0,3: 97:[99, 88, 108] Operation: 75+33=108 Moving to Node #0,3 Current State: 97:[99, 88, 108], Operations: ['75+33=108'] Exploring Operation: 99-88=11, Resulting Numbers: [108, 11] Generated Node #0,3,0: 97:[108, 11] Operation: 99-88=11 Moving to Node #0,3,0 Current State: 97:[108, 11], Operations: ['75+33=108', '99-88=11'] Exploring Operation: 108-11=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 48, 18, 70, 95 ]
41
[ "48+18=66", "95-70=25", "66-25=41" ]
Current State: 41:[48, 18, 70, 95], Operations: [] Exploring Operation: 48+18=66, Resulting Numbers: [70, 95, 66] Generated Node #2: [70, 95, 66] from Operation: 48+18=66 Current State: 41:[70, 95, 66], Operations: ['48+18=66'] Exploring Operation: 95-70=25, Resulting Numbers: [66, 25] Generated Node #3: [66, 25] from Operation: 95-70=25 Current State: 41:[66, 25], Operations: ['48+18=66', '95-70=25'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[48, 18, 70, 95], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [48, 18, 25] Generated Node #0,0: 41:[48, 18, 25] Operation: 95-70=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[48, 18, 25], Operations: ['95-70=25'] Exploring Operation: 18+25=43, Resulting Numbers: [48, 43] Generated Node #0,0,0: 41:[48, 43] Operation: 18+25=43 Moving to Node #0,0,0 Current State: 41:[48, 43], Operations: ['95-70=25', '18+25=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,41 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
[ 2, 9, 18, 16 ]
30
[ "2*16=32", "18/9=2", "32-2=30" ]
Current State: 30:[2, 9, 18, 16], Operations: [] Exploring Operation: 2*16=32, Resulting Numbers: [9, 18, 32] Generated Node #2: [9, 18, 32] from Operation: 2*16=32 Current State: 30:[9, 18, 32], Operations: ['2*16=32'] Exploring Operation: 18/9=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 18/9=2 Current State: 30:[32, 2], Operations: ['2*16=32', '18/9=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[2, 9, 18, 16], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [2, 16, 2] Generated Node #0,0: 30:[2, 16, 2] Operation: 18/9=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[2, 16, 2], Operations: ['18/9=2'] Exploring Operation: 16-2=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 30:[2, 14] Operation: 16-2=14 Moving to Node #0,0,0 Current State: 30:[2, 14], Operations: ['18/9=2', '16-2=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,30 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
[ 76, 5, 51, 9 ]
29
[ "76-5=71", "51-9=42", "71-42=29" ]
Current State: 29:[76, 5, 51, 9], Operations: [] Exploring Operation: 76-5=71, Resulting Numbers: [51, 9, 71] Generated Node #2: [51, 9, 71] from Operation: 76-5=71 Current State: 29:[51, 9, 71], Operations: ['76-5=71'] Exploring Operation: 51-9=42, Resulting Numbers: [71, 42] Generated Node #3: [71, 42] from Operation: 51-9=42 Current State: 29:[71, 42], Operations: ['76-5=71', '51-9=42'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[76, 5, 51, 9], Operations: [] Exploring Operation: 76-9=67, Resulting Numbers: [5, 51, 67] Generated Node #0,0: 29:[5, 51, 67] Operation: 76-9=67 Exploring Operation: 76-5=71, Resulting Numbers: [51, 9, 71] Generated Node #0,1: 29:[51, 9, 71] Operation: 76-5=71 Exploring Operation: 76-51=25, Resulting Numbers: [5, 9, 25] Generated Node #0,2: 29:[5, 9, 25] Operation: 76-51=25 Exploring Operation: 51-5=46, Resulting Numbers: [76, 9, 46] Generated Node #0,3: 29:[76, 9, 46] Operation: 51-5=46 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[5, 9, 25], Operations: ['76-51=25'] Exploring Operation: 5+25=30, Resulting Numbers: [9, 30] Generated Node #0,2,0: 29:[9, 30] Operation: 5+25=30 Exploring Operation: 5+9=14, Resulting Numbers: [25, 14] Generated Node #0,2,1: 29:[25, 14] Operation: 5+9=14 Exploring Operation: 5*9=45, Resulting Numbers: [25, 45] Generated Node #0,2,2: 29:[25, 45] Operation: 5*9=45 Exploring Operation: 9-5=4, Resulting Numbers: [25, 4] Generated Node #0,2,3: 29:[25, 4] Operation: 9-5=4 Moving to Node #0,2,1 Current State: 29:[25, 14], Operations: ['76-51=25', '5+9=14'] Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[25, 45], Operations: ['76-51=25', '5*9=45'] Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,29 unequal: No Solution Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 25*45=1125, Resulting Numbers: [1125] 1125,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[9, 30], Operations: ['76-51=25', '5+25=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,29 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,29 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[25, 4], Operations: ['76-51=25', '9-5=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[76, 5, 51, 9], Operations: [] Exploring Operation: 76-51=25, Resulting Numbers: [5, 9, 25] Generated Node #0,2: 29:[5, 9, 25] Operation: 76-51=25 Moving to Node #0,2 Current State: 29:[5, 9, 25], Operations: ['76-51=25'] Exploring Operation: 9-5=4, Resulting Numbers: [25, 4] Generated Node #0,2,3: 29:[25, 4] Operation: 9-5=4 Moving to Node #0,2,3 Current State: 29:[25, 4], Operations: ['76-51=25', '9-5=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 7, 90, 97, 95 ]
10
[ "7+97=104", "104-95=9", "90/9=10" ]
Current State: 10:[7, 90, 97, 95], Operations: [] Exploring Operation: 7+97=104, Resulting Numbers: [90, 95, 104] Generated Node #2: [90, 95, 104] from Operation: 7+97=104 Current State: 10:[90, 95, 104], Operations: ['7+97=104'] Exploring Operation: 104-95=9, Resulting Numbers: [90, 9] Generated Node #3: [90, 9] from Operation: 104-95=9 Current State: 10:[90, 9], Operations: ['7+97=104', '104-95=9'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[7, 90, 97, 95], Operations: [] Exploring Operation: 90-7=83, Resulting Numbers: [97, 95, 83] Generated Node #0,0: 10:[97, 95, 83] Operation: 90-7=83 Exploring Operation: 97-90=7, Resulting Numbers: [7, 95, 7] Generated Node #0,1: 10:[7, 95, 7] Operation: 97-90=7 Exploring Operation: 97-95=2, Resulting Numbers: [7, 90, 2] Generated Node #0,2: 10:[7, 90, 2] Operation: 97-95=2 Exploring Operation: 95-90=5, Resulting Numbers: [7, 97, 5] Generated Node #0,3: 10:[7, 97, 5] Operation: 95-90=5 Exploring Operation: 97-7=90, Resulting Numbers: [90, 95, 90] Generated Node #0,4: 10:[90, 95, 90] Operation: 97-7=90 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[7, 90, 2], Operations: ['97-95=2'] Exploring Operation: 90/2=45, Resulting Numbers: [7, 45] Generated Node #0,2,0: 10:[7, 45] Operation: 90/2=45 Exploring Operation: 90-7=83, Resulting Numbers: [2, 83] Generated Node #0,2,1: 10:[2, 83] Operation: 90-7=83 Exploring Operation: 7+2=9, Resulting Numbers: [90, 9] Generated Node #0,2,2: 10:[90, 9] Operation: 7+2=9 Exploring Operation: 7-2=5, Resulting Numbers: [90, 5] Generated Node #0,2,3: 10:[90, 5] Operation: 7-2=5 Exploring Operation: 90-2=88, Resulting Numbers: [7, 88] Generated Node #0,2,4: 10:[7, 88] Operation: 90-2=88 Moving to Node #0,2,0 Current State: 10:[7, 45], Operations: ['97-95=2', '90/2=45'] Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,10 unequal: No Solution Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[2, 83], Operations: ['97-95=2', '90-7=83'] Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,10 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[90, 5], Operations: ['97-95=2', '7-2=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,10 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,10 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[7, 88], Operations: ['97-95=2', '90-2=88'] Exploring Operation: 7*88=616, Resulting Numbers: [616] 616,10 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 7+88=95, Resulting Numbers: [95] 95,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[90, 9], Operations: ['97-95=2', '7+2=9'] Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,10 unequal: No Solution Exploring Operation: 90*9=810, Resulting Numbers: [810] 810,10 unequal: No Solution Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[7, 90, 97, 95], Operations: [] Exploring Operation: 97-95=2, Resulting Numbers: [7, 90, 2] Generated Node #0,2: 10:[7, 90, 2] Operation: 97-95=2 Moving to Node #0,2 Current State: 10:[7, 90, 2], Operations: ['97-95=2'] Exploring Operation: 7+2=9, Resulting Numbers: [90, 9] Generated Node #0,2,2: 10:[90, 9] Operation: 7+2=9 Moving to Node #0,2,2 Current State: 10:[90, 9], Operations: ['97-95=2', '7+2=9'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 59, 44, 23, 44 ]
37
[ "59-23=36", "44/44=1", "36+1=37" ]
Current State: 37:[59, 44, 23, 44], Operations: [] Exploring Operation: 59-23=36, Resulting Numbers: [44, 44, 36] Generated Node #2: [44, 44, 36] from Operation: 59-23=36 Current State: 37:[44, 44, 36], Operations: ['59-23=36'] Exploring Operation: 44/44=1, Resulting Numbers: [36, 1] Generated Node #3: [36, 1] from Operation: 44/44=1 Current State: 37:[36, 1], Operations: ['59-23=36', '44/44=1'] Exploring Operation: 36+1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[59, 44, 23, 44], Operations: [] Exploring Operation: 59-44=15, Resulting Numbers: [23, 44, 15] Generated Node #0,0: 37:[23, 44, 15] Operation: 59-44=15 Exploring Operation: 59-23=36, Resulting Numbers: [44, 44, 36] Generated Node #0,1: 37:[44, 44, 36] Operation: 59-23=36 Moving to Node #0,1 Current State: 37:[44, 44, 36], Operations: ['59-23=36'] Exploring Operation: 44-36=8, Resulting Numbers: [44, 8] Generated Node #0,1,0: 37:[44, 8] Operation: 44-36=8 Exploring Operation: 44-36=8, Resulting Numbers: [44, 8] Generated Node #0,1,1: 37:[44, 8] Operation: 44-36=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[44, 8], Operations: ['59-23=36', '44-36=8'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[44, 8], Operations: ['59-23=36', '44-36=8'] Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,37 unequal: No Solution Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 37:[23, 44, 15], Operations: ['59-44=15'] Exploring Operation: 44-15=29, Resulting Numbers: [23, 29] Generated Node #0,0,0: 37:[23, 29] Operation: 44-15=29 Exploring Operation: 23+15=38, Resulting Numbers: [44, 38] Generated Node #0,0,1: 37:[44, 38] Operation: 23+15=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[44, 38], Operations: ['59-44=15', '23+15=38'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[23, 29], Operations: ['59-44=15', '44-15=29'] Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,37 unequal: No Solution Exploring Operation: 23+29=52, Resulting Numbers: [52] 52,37 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, 27, 2, 97 ]
66
[ "97-85=12", "27*2=54", "12+54=66" ]
Current State: 66:[85, 27, 2, 97], Operations: [] Exploring Operation: 97-85=12, Resulting Numbers: [27, 2, 12] Generated Node #2: [27, 2, 12] from Operation: 97-85=12 Current State: 66:[27, 2, 12], Operations: ['97-85=12'] Exploring Operation: 27*2=54, Resulting Numbers: [12, 54] Generated Node #3: [12, 54] from Operation: 27*2=54 Current State: 66:[12, 54], Operations: ['97-85=12', '27*2=54'] Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[85, 27, 2, 97], Operations: [] Exploring Operation: 85-2=83, Resulting Numbers: [27, 97, 83] Generated Node #0,0: 66:[27, 97, 83] Operation: 85-2=83 Exploring Operation: 85-27=58, Resulting Numbers: [2, 97, 58] Generated Node #0,1: 66:[2, 97, 58] Operation: 85-27=58 Exploring Operation: 97-85=12, Resulting Numbers: [27, 2, 12] Generated Node #0,2: 66:[27, 2, 12] Operation: 97-85=12 Exploring Operation: 97-27=70, Resulting Numbers: [85, 2, 70] Generated Node #0,3: 66:[85, 2, 70] Operation: 97-27=70 Start Sub Search at level 1: Moving to Node #0,2 Current State: 66:[27, 2, 12], Operations: ['97-85=12'] Exploring Operation: 12/2=6, Resulting Numbers: [27, 6] Generated Node #0,2,0: 66:[27, 6] Operation: 12/2=6 Exploring Operation: 27+2=29, Resulting Numbers: [12, 29] Generated Node #0,2,1: 66:[12, 29] Operation: 27+2=29 Exploring Operation: 27-12=15, Resulting Numbers: [2, 15] Generated Node #0,2,2: 66:[2, 15] Operation: 27-12=15 Exploring Operation: 27-2=25, Resulting Numbers: [12, 25] Generated Node #0,2,3: 66:[12, 25] Operation: 27-2=25 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 66:[2, 15], Operations: ['97-85=12', '27-12=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 66:[12, 25], Operations: ['97-85=12', '27-2=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,66 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 66:[27, 6], Operations: ['97-85=12', '12/2=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,66 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[12, 29], Operations: ['97-85=12', '27+2=29'] Exploring Operation: 12*29=348, Resulting Numbers: [348] 348,66 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,66 unequal: No Solution Exploring Operation: 12+29=41, Resulting Numbers: [41] 41,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 66:[85, 2, 70], Operations: ['97-27=70'] Exploring Operation: 85-70=15, Resulting Numbers: [2, 15] Generated Node #0,3,0: 66:[2, 15] Operation: 85-70=15 Exploring Operation: 70-2=68, Resulting Numbers: [85, 68] Generated Node #0,3,1: 66:[85, 68] Operation: 70-2=68 Exploring Operation: 85-2=83, Resulting Numbers: [70, 83] Generated Node #0,3,2: 66:[70, 83] Operation: 85-2=83 Exploring Operation: 70/2=35, Resulting Numbers: [85, 35] Generated Node #0,3,3: 66:[85, 35] Operation: 70/2=35 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 66:[2, 15], Operations: ['97-27=70', '85-70=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,66 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 66:[85, 68], Operations: ['97-27=70', '70-2=68'] Exploring Operation: 85+68=153, Resulting Numbers: [153] 153,66 unequal: No Solution Exploring Operation: 85*68=5780, Resulting Numbers: [5780] 5780,66 unequal: No Solution Exploring Operation: 85-68=17, Resulting Numbers: [17] 17,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 66:[70, 83], Operations: ['97-27=70', '85-2=83'] Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 70+83=153, Resulting Numbers: [153] 153,66 unequal: No Solution Exploring Operation: 70*83=5810, Resulting Numbers: [5810] 5810,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 66:[85, 35], Operations: ['97-27=70', '70/2=35'] Exploring Operation: 85*35=2975, Resulting Numbers: [2975] 2975,66 unequal: No Solution Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 85+35=120, Resulting Numbers: [120] 120,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[2, 97, 58], Operations: ['85-27=58'] Exploring Operation: 97-58=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 66:[2, 39] Operation: 97-58=39 Exploring Operation: 97-2=95, Resulting Numbers: [58, 95] Generated Node #0,1,1: 66:[58, 95] Operation: 97-2=95 Exploring Operation: 58/2=29, Resulting Numbers: [97, 29] Generated Node #0,1,2: 66:[97, 29] Operation: 58/2=29 Exploring Operation: 2+58=60, Resulting Numbers: [97, 60] Generated Node #0,1,3: 66:[97, 60] Operation: 2+58=60 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[2, 39], Operations: ['85-27=58', '97-58=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[97, 29], Operations: ['85-27=58', '58/2=29'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,66 unequal: No Solution Exploring Operation: 97+29=126, Resulting Numbers: [126] 126,66 unequal: No Solution Exploring Operation: 97*29=2813, Resulting Numbers: [2813] 2813,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[58, 95], Operations: ['85-27=58', '97-2=95'] Exploring Operation: 95-58=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 58*95=5510, Resulting Numbers: [5510] 5510,66 unequal: No Solution Exploring Operation: 58+95=153, Resulting Numbers: [153] 153,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 66:[97, 60], Operations: ['85-27=58', '2+58=60'] Exploring Operation: 97+60=157, Resulting Numbers: [157] 157,66 unequal: No Solution Exploring Operation: 97*60=5820, Resulting Numbers: [5820] 5820,66 unequal: No Solution Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[27, 97, 83], Operations: ['85-2=83'] Exploring Operation: 97-27=70, Resulting Numbers: [83, 70] Generated Node #0,0,0: 66:[83, 70] Operation: 97-27=70 Exploring Operation: 97-83=14, Resulting Numbers: [27, 14] Generated Node #0,0,1: 66:[27, 14] Operation: 97-83=14 Exploring Operation: 83-27=56, Resulting Numbers: [97, 56] Generated Node #0,0,2: 66:[97, 56] Operation: 83-27=56 Exploring Operation: 27+97=124, Resulting Numbers: [83, 124] Generated Node #0,0,3: 66:[83, 124] Operation: 27+97=124 Moving to Node #0,0,1 Current State: 66:[27, 14], Operations: ['85-2=83', '97-83=14'] Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[83, 70], Operations: ['85-2=83', '97-27=70'] Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,66 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,66 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[97, 56], Operations: ['85-2=83', '83-27=56'] Exploring Operation: 97+56=153, Resulting Numbers: [153] 153,66 unequal: No Solution Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,66 unequal: No Solution Exploring Operation: 97*56=5432, Resulting Numbers: [5432] 5432,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[83, 124], Operations: ['85-2=83', '27+97=124'] Exploring Operation: 83+124=207, Resulting Numbers: [207] 207,66 unequal: No Solution Exploring Operation: 83*124=10292, Resulting Numbers: [10292] 10292,66 unequal: No Solution Exploring Operation: 124-83=41, Resulting Numbers: [41] 41,66 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
[ 10, 38, 16, 50 ]
82
[ "10+38=48", "50-16=34", "48+34=82" ]
Current State: 82:[10, 38, 16, 50], Operations: [] Exploring Operation: 10+38=48, Resulting Numbers: [16, 50, 48] Generated Node #2: [16, 50, 48] from Operation: 10+38=48 Current State: 82:[16, 50, 48], Operations: ['10+38=48'] Exploring Operation: 50-16=34, Resulting Numbers: [48, 34] Generated Node #3: [48, 34] from Operation: 50-16=34 Current State: 82:[48, 34], Operations: ['10+38=48', '50-16=34'] Exploring Operation: 48+34=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[10, 38, 16, 50], Operations: [] Exploring Operation: 16-10=6, Resulting Numbers: [38, 50, 6] Generated Node #0,0: 82:[38, 50, 6] Operation: 16-10=6 Exploring Operation: 50-10=40, Resulting Numbers: [38, 16, 40] Generated Node #0,1: 82:[38, 16, 40] Operation: 50-10=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[38, 50, 6], Operations: ['16-10=6'] Exploring Operation: 38+50=88, Resulting Numbers: [6, 88] Generated Node #0,0,0: 82:[6, 88] Operation: 38+50=88 Exploring Operation: 50-6=44, Resulting Numbers: [38, 44] Generated Node #0,0,1: 82:[38, 44] Operation: 50-6=44 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[38, 44], Operations: ['16-10=6', '50-6=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[10, 38, 16, 50], Operations: [] Exploring Operation: 16-10=6, Resulting Numbers: [38, 50, 6] Generated Node #0,0: 82:[38, 50, 6] Operation: 16-10=6 Moving to Node #0,0 Current State: 82:[38, 50, 6], Operations: ['16-10=6'] Exploring Operation: 50-6=44, Resulting Numbers: [38, 44] Generated Node #0,0,1: 82:[38, 44] Operation: 50-6=44 Moving to Node #0,0,1 Current State: 82:[38, 44], Operations: ['16-10=6', '50-6=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 76, 40, 12, 28 ]
96
[ "76-40=36", "36-28=8", "12*8=96" ]
Current State: 96:[76, 40, 12, 28], Operations: [] Exploring Operation: 76-40=36, Resulting Numbers: [12, 28, 36] Generated Node #2: [12, 28, 36] from Operation: 76-40=36 Current State: 96:[12, 28, 36], Operations: ['76-40=36'] Exploring Operation: 36-28=8, Resulting Numbers: [12, 8] Generated Node #3: [12, 8] from Operation: 36-28=8 Current State: 96:[12, 8], Operations: ['76-40=36', '36-28=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[76, 40, 12, 28], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [40, 12, 48] Generated Node #0,0: 96:[40, 12, 48] Operation: 76-28=48 Exploring Operation: 76-40=36, Resulting Numbers: [12, 28, 36] Generated Node #0,1: 96:[12, 28, 36] Operation: 76-40=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[40, 12, 48], Operations: ['76-28=48'] Exploring Operation: 40+12=52, Resulting Numbers: [48, 52] Generated Node #0,0,0: 96:[48, 52] Operation: 40+12=52 Exploring Operation: 48-40=8, Resulting Numbers: [12, 8] Generated Node #0,0,1: 96:[12, 8] Operation: 48-40=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[12, 8], Operations: ['76-28=48', '48-40=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[76, 40, 12, 28], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [40, 12, 48] Generated Node #0,0: 96:[40, 12, 48] Operation: 76-28=48 Moving to Node #0,0 Current State: 96:[40, 12, 48], Operations: ['76-28=48'] Exploring Operation: 48-40=8, Resulting Numbers: [12, 8] Generated Node #0,0,1: 96:[12, 8] Operation: 48-40=8 Moving to Node #0,0,1 Current State: 96:[12, 8], Operations: ['76-28=48', '48-40=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic