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
[ 70, 94, 92, 34 ]
72
[ "70-34=36", "94-92=2", "36*2=72" ]
Current State: 72:[70, 94, 92, 34], Operations: [] Exploring Operation: 70-34=36, Resulting Numbers: [94, 92, 36] Generated Node #2: [94, 92, 36] from Operation: 70-34=36 Current State: 72:[94, 92, 36], Operations: ['70-34=36'] Exploring Operation: 94-92=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 94-92=2 Current State: 72:[36, 2], Operations: ['70-34=36', '94-92=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[70, 94, 92, 34], Operations: [] Exploring Operation: 92-70=22, Resulting Numbers: [94, 34, 22] Generated Node #0,0: 72:[94, 34, 22] Operation: 92-70=22 Exploring Operation: 94-70=24, Resulting Numbers: [92, 34, 24] Generated Node #0,1: 72:[92, 34, 24] Operation: 94-70=24 Exploring Operation: 94-92=2, Resulting Numbers: [70, 34, 2] Generated Node #0,2: 72:[70, 34, 2] Operation: 94-92=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[70, 34, 2], Operations: ['94-92=2'] Exploring Operation: 70+2=72, Resulting Numbers: [34, 72] Generated Node #0,2,0: 72:[34, 72] Operation: 70+2=72 Exploring Operation: 70-34=36, Resulting Numbers: [2, 36] Generated Node #0,2,1: 72:[2, 36] Operation: 70-34=36 Exploring Operation: 34+2=36, Resulting Numbers: [70, 36] Generated Node #0,2,2: 72:[70, 36] Operation: 34+2=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[2, 36], Operations: ['94-92=2', '70-34=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[70, 94, 92, 34], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [70, 34, 2] Generated Node #0,2: 72:[70, 34, 2] Operation: 94-92=2 Moving to Node #0,2 Current State: 72:[70, 34, 2], Operations: ['94-92=2'] Exploring Operation: 70-34=36, Resulting Numbers: [2, 36] Generated Node #0,2,1: 72:[2, 36] Operation: 70-34=36 Moving to Node #0,2,1 Current State: 72:[2, 36], Operations: ['94-92=2', '70-34=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 42, 3, 41, 43 ]
37
[ "42-3=39", "43-41=2", "39-2=37" ]
Current State: 37:[42, 3, 41, 43], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [41, 43, 39] Generated Node #2: [41, 43, 39] from Operation: 42-3=39 Current State: 37:[41, 43, 39], Operations: ['42-3=39'] Exploring Operation: 43-41=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 43-41=2 Current State: 37:[39, 2], Operations: ['42-3=39', '43-41=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[42, 3, 41, 43], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [41, 43, 39] Generated Node #0,0: 37:[41, 43, 39] Operation: 42-3=39 Exploring Operation: 43-3=40, Resulting Numbers: [42, 41, 40] Generated Node #0,1: 37:[42, 41, 40] Operation: 43-3=40 Exploring Operation: 41-3=38, Resulting Numbers: [42, 43, 38] Generated Node #0,2: 37:[42, 43, 38] Operation: 41-3=38 Exploring Operation: 42+3=45, Resulting Numbers: [41, 43, 45] Generated Node #0,3: 37:[41, 43, 45] Operation: 42+3=45 Moving to Node #0,0 Current State: 37:[41, 43, 39], Operations: ['42-3=39'] Exploring Operation: 41+43=84, Resulting Numbers: [39, 84] Generated Node #0,0,0: 37:[39, 84] Operation: 41+43=84 Exploring Operation: 43-39=4, Resulting Numbers: [41, 4] Generated Node #0,0,1: 37:[41, 4] Operation: 43-39=4 Exploring Operation: 43-41=2, Resulting Numbers: [39, 2] Generated Node #0,0,2: 37:[39, 2] Operation: 43-41=2 Exploring Operation: 41-39=2, Resulting Numbers: [43, 2] Generated Node #0,0,3: 37:[43, 2] Operation: 41-39=2 Moving to Node #0,2 Current State: 37:[42, 43, 38], Operations: ['41-3=38'] Exploring Operation: 42+43=85, Resulting Numbers: [38, 85] Generated Node #0,2,0: 37:[38, 85] Operation: 42+43=85 Exploring Operation: 43-38=5, Resulting Numbers: [42, 5] Generated Node #0,2,1: 37:[42, 5] Operation: 43-38=5 Exploring Operation: 43-42=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 37:[38, 1] Operation: 43-42=1 Exploring Operation: 42-38=4, Resulting Numbers: [43, 4] Generated Node #0,2,3: 37:[43, 4] Operation: 42-38=4 Moving to Node #0,1 Current State: 37:[42, 41, 40], Operations: ['43-3=40'] Exploring Operation: 42-41=1, Resulting Numbers: [40, 1] Generated Node #0,1,0: 37:[40, 1] Operation: 42-41=1 Exploring Operation: 41-40=1, Resulting Numbers: [42, 1] Generated Node #0,1,1: 37:[42, 1] Operation: 41-40=1 Exploring Operation: 42+41=83, Resulting Numbers: [40, 83] Generated Node #0,1,2: 37:[40, 83] Operation: 42+41=83 Exploring Operation: 42-40=2, Resulting Numbers: [41, 2] Generated Node #0,1,3: 37:[41, 2] Operation: 42-40=2 Moving to Node #0,3 Current State: 37:[41, 43, 45], Operations: ['42+3=45'] Exploring Operation: 41+43=84, Resulting Numbers: [45, 84] Generated Node #0,3,0: 37:[45, 84] Operation: 41+43=84 Exploring Operation: 43-41=2, Resulting Numbers: [45, 2] Generated Node #0,3,1: 37:[45, 2] Operation: 43-41=2 Exploring Operation: 45-43=2, Resulting Numbers: [41, 2] Generated Node #0,3,2: 37:[41, 2] Operation: 45-43=2 Exploring Operation: 45-41=4, Resulting Numbers: [43, 4] Generated Node #0,3,3: 37:[43, 4] Operation: 45-41=4 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[41, 2], Operations: ['42+3=45', '45-43=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,37 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[43, 4], Operations: ['42+3=45', '45-41=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,37 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,37 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 37:[45, 2], Operations: ['42+3=45', '43-41=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,37 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 37:[45, 84], Operations: ['42+3=45', '41+43=84'] Exploring Operation: 84-45=39, Resulting Numbers: [39] 39,37 unequal: No Solution Exploring Operation: 45*84=3780, Resulting Numbers: [3780] 3780,37 unequal: No Solution Exploring Operation: 45+84=129, Resulting Numbers: [129] 129,37 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: 37:[41, 4], Operations: ['42-3=39', '43-39=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[42, 3, 41, 43], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [41, 43, 39] Generated Node #0,0: 37:[41, 43, 39] Operation: 42-3=39 Moving to Node #0,0 Current State: 37:[41, 43, 39], Operations: ['42-3=39'] Exploring Operation: 43-39=4, Resulting Numbers: [41, 4] Generated Node #0,0,1: 37:[41, 4] Operation: 43-39=4 Moving to Node #0,0,1 Current State: 37:[41, 4], Operations: ['42-3=39', '43-39=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 81, 20, 65, 25 ]
61
[ "81+20=101", "65-25=40", "101-40=61" ]
Current State: 61:[81, 20, 65, 25], Operations: [] Exploring Operation: 81+20=101, Resulting Numbers: [65, 25, 101] Generated Node #2: [65, 25, 101] from Operation: 81+20=101 Current State: 61:[65, 25, 101], Operations: ['81+20=101'] Exploring Operation: 65-25=40, Resulting Numbers: [101, 40] Generated Node #3: [101, 40] from Operation: 65-25=40 Current State: 61:[101, 40], Operations: ['81+20=101', '65-25=40'] Exploring Operation: 101-40=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[81, 20, 65, 25], Operations: [] Exploring Operation: 20+25=45, Resulting Numbers: [81, 65, 45] Generated Node #0,0: 61:[81, 65, 45] Operation: 20+25=45 Exploring Operation: 81-20=61, Resulting Numbers: [65, 25, 61] Generated Node #0,1: 61:[65, 25, 61] Operation: 81-20=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[81, 65, 45], Operations: ['20+25=45'] Exploring Operation: 81-65=16, Resulting Numbers: [45, 16] Generated Node #0,0,0: 61:[45, 16] Operation: 81-65=16 Exploring Operation: 81-45=36, Resulting Numbers: [65, 36] Generated Node #0,0,1: 61:[65, 36] Operation: 81-45=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[65, 36], Operations: ['20+25=45', '81-45=36'] Exploring Operation: 65+36=101, Resulting Numbers: [101] 101,61 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,61 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 #0,0,0 Current State: 61:[45, 16], Operations: ['20+25=45', '81-65=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[81, 20, 65, 25], Operations: [] Exploring Operation: 20+25=45, Resulting Numbers: [81, 65, 45] Generated Node #0,0: 61:[81, 65, 45] Operation: 20+25=45 Moving to Node #0,0 Current State: 61:[81, 65, 45], Operations: ['20+25=45'] Exploring Operation: 81-65=16, Resulting Numbers: [45, 16] Generated Node #0,0,0: 61:[45, 16] Operation: 81-65=16 Moving to Node #0,0,0 Current State: 61:[45, 16], Operations: ['20+25=45', '81-65=16'] Exploring Operation: 45+16=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 44, 2, 75, 51 ]
32
[ "75-51=24", "24/2=12", "44-12=32" ]
Current State: 32:[44, 2, 75, 51], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [44, 2, 24] Generated Node #2: [44, 2, 24] from Operation: 75-51=24 Current State: 32:[44, 2, 24], Operations: ['75-51=24'] Exploring Operation: 24/2=12, Resulting Numbers: [44, 12] Generated Node #3: [44, 12] from Operation: 24/2=12 Current State: 32:[44, 12], Operations: ['75-51=24', '24/2=12'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[44, 2, 75, 51], Operations: [] Exploring Operation: 75-44=31, Resulting Numbers: [2, 51, 31] Generated Node #0,0: 32:[2, 51, 31] Operation: 75-44=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 51, 31], Operations: ['75-44=31'] Exploring Operation: 51-31=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 32:[2, 20] Operation: 51-31=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[2, 20], Operations: ['75-44=31', '51-31=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,32 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_1
mult_heuristic
[ 65, 93, 4, 3 ]
41
[ "93+3=96", "96/4=24", "65-24=41" ]
Current State: 41:[65, 93, 4, 3], Operations: [] Exploring Operation: 93+3=96, Resulting Numbers: [65, 4, 96] Generated Node #2: [65, 4, 96] from Operation: 93+3=96 Current State: 41:[65, 4, 96], Operations: ['93+3=96'] Exploring Operation: 96/4=24, Resulting Numbers: [65, 24] Generated Node #3: [65, 24] from Operation: 96/4=24 Current State: 41:[65, 24], Operations: ['93+3=96', '96/4=24'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[65, 93, 4, 3], Operations: [] Exploring Operation: 4*3=12, Resulting Numbers: [65, 93, 12] Generated Node #0,0: 41:[65, 93, 12] Operation: 4*3=12 Exploring Operation: 93-65=28, Resulting Numbers: [4, 3, 28] Generated Node #0,1: 41:[4, 3, 28] Operation: 93-65=28 Exploring Operation: 65-3=62, Resulting Numbers: [93, 4, 62] Generated Node #0,2: 41:[93, 4, 62] Operation: 65-3=62 Exploring Operation: 65-4=61, Resulting Numbers: [93, 3, 61] Generated Node #0,3: 41:[93, 3, 61] Operation: 65-4=61 Exploring Operation: 93/3=31, Resulting Numbers: [65, 4, 31] Generated Node #0,4: 41:[65, 4, 31] Operation: 93/3=31 Moving to Node #0,4 Current State: 41:[65, 4, 31], Operations: ['93/3=31'] Exploring Operation: 31-4=27, Resulting Numbers: [65, 27] Generated Node #0,4,0: 41:[65, 27] Operation: 31-4=27 Exploring Operation: 65-4=61, Resulting Numbers: [31, 61] Generated Node #0,4,1: 41:[31, 61] Operation: 65-4=61 Exploring Operation: 4+31=35, Resulting Numbers: [65, 35] Generated Node #0,4,2: 41:[65, 35] Operation: 4+31=35 Exploring Operation: 65-31=34, Resulting Numbers: [4, 34] Generated Node #0,4,3: 41:[4, 34] Operation: 65-31=34 Exploring Operation: 65+4=69, Resulting Numbers: [31, 69] Generated Node #0,4,4: 41:[31, 69] Operation: 65+4=69 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 41:[31, 61], Operations: ['93/3=31', '65-4=61'] Exploring Operation: 31*61=1891, Resulting Numbers: [1891] 1891,41 unequal: No Solution Exploring Operation: 31+61=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 41:[65, 35], Operations: ['93/3=31', '4+31=35'] Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,41 unequal: No Solution Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 41:[65, 27], Operations: ['93/3=31', '31-4=27'] Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,41 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 41:[31, 69], Operations: ['93/3=31', '65+4=69'] Exploring Operation: 31+69=100, Resulting Numbers: [100] 100,41 unequal: No Solution Exploring Operation: 69-31=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 31*69=2139, Resulting Numbers: [2139] 2139,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 41:[4, 34], Operations: ['93/3=31', '65-31=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,41 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,41 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 41:[4, 3, 28], Operations: ['93-65=28'] Exploring Operation: 4-3=1, Resulting Numbers: [28, 1] Generated Node #0,1,0: 41:[28, 1] Operation: 4-3=1 Exploring Operation: 4+3=7, Resulting Numbers: [28, 7] Generated Node #0,1,1: 41:[28, 7] Operation: 4+3=7 Exploring Operation: 4*3=12, Resulting Numbers: [28, 12] Generated Node #0,1,2: 41:[28, 12] Operation: 4*3=12 Exploring Operation: 3+28=31, Resulting Numbers: [4, 31] Generated Node #0,1,3: 41:[4, 31] Operation: 3+28=31 Exploring Operation: 4+28=32, Resulting Numbers: [3, 32] Generated Node #0,1,4: 41:[3, 32] Operation: 4+28=32 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[28, 12], Operations: ['93-65=28', '4*3=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[28, 7], Operations: ['93-65=28', '4+3=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,41 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[4, 31], Operations: ['93-65=28', '3+28=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 41:[3, 32], Operations: ['93-65=28', '4+28=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[28, 1], Operations: ['93-65=28', '4-3=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,41 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,41 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: 41:[65, 93, 12], Operations: ['4*3=12'] Exploring Operation: 93+12=105, Resulting Numbers: [65, 105] Generated Node #0,0,0: 41:[65, 105] Operation: 93+12=105 Exploring Operation: 65-12=53, Resulting Numbers: [93, 53] Generated Node #0,0,1: 41:[93, 53] Operation: 65-12=53 Exploring Operation: 93-12=81, Resulting Numbers: [65, 81] Generated Node #0,0,2: 41:[65, 81] Operation: 93-12=81 Exploring Operation: 65+12=77, Resulting Numbers: [93, 77] Generated Node #0,0,3: 41:[93, 77] Operation: 65+12=77 Exploring Operation: 93-65=28, Resulting Numbers: [12, 28] Generated Node #0,0,4: 41:[12, 28] Operation: 93-65=28 Moving to Node #0,2 Current State: 41:[93, 4, 62], Operations: ['65-3=62'] Exploring Operation: 4+62=66, Resulting Numbers: [93, 66] Generated Node #0,2,0: 41:[93, 66] Operation: 4+62=66 Exploring Operation: 62-4=58, Resulting Numbers: [93, 58] Generated Node #0,2,1: 41:[93, 58] Operation: 62-4=58 Exploring Operation: 93-4=89, Resulting Numbers: [62, 89] Generated Node #0,2,2: 41:[62, 89] Operation: 93-4=89 Exploring Operation: 93+4=97, Resulting Numbers: [62, 97] Generated Node #0,2,3: 41:[62, 97] Operation: 93+4=97 Exploring Operation: 93-62=31, Resulting Numbers: [4, 31] Generated Node #0,2,4: 41:[4, 31] Operation: 93-62=31 Moving to Node #0,3 Current State: 41:[93, 3, 61], Operations: ['65-4=61'] Exploring Operation: 93/3=31, Resulting Numbers: [61, 31] Generated Node #0,3,0: 41:[61, 31] Operation: 93/3=31 Exploring Operation: 93+3=96, Resulting Numbers: [61, 96] Generated Node #0,3,1: 41:[61, 96] Operation: 93+3=96 Exploring Operation: 93-3=90, Resulting Numbers: [61, 90] Generated Node #0,3,2: 41:[61, 90] Operation: 93-3=90 Exploring Operation: 61-3=58, Resulting Numbers: [93, 58] Generated Node #0,3,3: 41:[93, 58] Operation: 61-3=58 Exploring Operation: 93-61=32, Resulting Numbers: [3, 32] Generated Node #0,3,4: 41:[3, 32] Operation: 93-61=32 Moving to Node #0,3,0 Current State: 41:[61, 31], Operations: ['65-4=61', '93/3=31'] Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,41 unequal: No Solution Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,41 unequal: No Solution Moving to Node #0,0,4 Current State: 41:[12, 28], Operations: ['4*3=12', '93-65=28'] Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,41 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,41 unequal: No Solution Moving to Node #0,2,4 Current State: 41:[4, 31], Operations: ['65-3=62', '93-62=31'] Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,41 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,41 unequal: No Solution Moving to Node #0,3,4 Current State: 41:[3, 32], Operations: ['65-4=61', '93-61=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,41 unequal: No Solution Moving to Node #0,0,2 Current State: 41:[65, 81], Operations: ['4*3=12', '93-12=81'] Exploring Operation: 65+81=146, Resulting Numbers: [146] 146,41 unequal: No Solution Exploring Operation: 81-65=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 65*81=5265, Resulting Numbers: [5265] 5265,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[93, 53], Operations: ['4*3=12', '65-12=53'] Exploring Operation: 93*53=4929, Resulting Numbers: [4929] 4929,41 unequal: No Solution Exploring Operation: 93+53=146, Resulting Numbers: [146] 146,41 unequal: No Solution Exploring Operation: 93-53=40, Resulting Numbers: [40] 40,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[93, 58], Operations: ['65-3=62', '62-4=58'] Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 93+58=151, Resulting Numbers: [151] 151,41 unequal: No Solution Exploring Operation: 93*58=5394, Resulting Numbers: [5394] 5394,41 unequal: No Solution Moving to Node #0,3,2 Current State: 41:[61, 90], Operations: ['65-4=61', '93-3=90'] Exploring Operation: 61+90=151, Resulting Numbers: [151] 151,41 unequal: No Solution Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,41 unequal: No Solution Exploring Operation: 61*90=5490, Resulting Numbers: [5490] 5490,41 unequal: No Solution Moving to Node #0,3,3 Current State: 41:[93, 58], Operations: ['65-4=61', '61-3=58'] Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 93+58=151, Resulting Numbers: [151] 151,41 unequal: No Solution Exploring Operation: 93*58=5394, Resulting Numbers: [5394] 5394,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[62, 89], Operations: ['65-3=62', '93-4=89'] Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,41 unequal: No Solution Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,41 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,41 unequal: No Solution Moving to Node #0,3,1 Current State: 41:[61, 96], Operations: ['65-4=61', '93+3=96'] Exploring Operation: 96-61=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 61+96=157, Resulting Numbers: [157] 157,41 unequal: No Solution Exploring Operation: 61*96=5856, Resulting Numbers: [5856] 5856,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[62, 97], Operations: ['65-3=62', '93+4=97'] Exploring Operation: 97-62=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 62*97=6014, Resulting Numbers: [6014] 6014,41 unequal: No Solution Exploring Operation: 62+97=159, Resulting Numbers: [159] 159,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[93, 66], Operations: ['65-3=62', '4+62=66'] Exploring Operation: 93+66=159, Resulting Numbers: [159] 159,41 unequal: No Solution Exploring Operation: 93-66=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 93*66=6138, Resulting Numbers: [6138] 6138,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[65, 105], Operations: ['4*3=12', '93+12=105'] Exploring Operation: 65*105=6825, Resulting Numbers: [6825] 6825,41 unequal: No Solution Exploring Operation: 105-65=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 65+105=170, Resulting Numbers: [170] 170,41 unequal: No Solution Moving to Node #0,0,3 Current State: 41:[93, 77], Operations: ['4*3=12', '65+12=77'] Exploring Operation: 93+77=170, Resulting Numbers: [170] 170,41 unequal: No Solution Exploring Operation: 93*77=7161, Resulting Numbers: [7161] 7161,41 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,41 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 1, 52, 43, 46 ]
48
[ "52-1=51", "46-43=3", "51-3=48" ]
Current State: 48:[1, 52, 43, 46], Operations: [] Exploring Operation: 52-1=51, Resulting Numbers: [43, 46, 51] Generated Node #2: [43, 46, 51] from Operation: 52-1=51 Current State: 48:[43, 46, 51], Operations: ['52-1=51'] Exploring Operation: 46-43=3, Resulting Numbers: [51, 3] Generated Node #3: [51, 3] from Operation: 46-43=3 Current State: 48:[51, 3], Operations: ['52-1=51', '46-43=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[1, 52, 43, 46], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [1, 46, 9] Generated Node #0,0: 48:[1, 46, 9] Operation: 52-43=9 Exploring Operation: 52-46=6, Resulting Numbers: [1, 43, 6] Generated Node #0,1: 48:[1, 43, 6] Operation: 52-46=6 Exploring Operation: 46-43=3, Resulting Numbers: [1, 52, 3] Generated Node #0,2: 48:[1, 52, 3] Operation: 46-43=3 Exploring Operation: 52-1=51, Resulting Numbers: [43, 46, 51] Generated Node #0,3: 48:[43, 46, 51] Operation: 52-1=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[1, 46, 9], Operations: ['52-43=9'] Exploring Operation: 1*46=46, Resulting Numbers: [9, 46] Generated Node #0,0,0: 48:[9, 46] Operation: 1*46=46 Exploring Operation: 46/1=46, Resulting Numbers: [9, 46] Generated Node #0,0,1: 48:[9, 46] Operation: 46/1=46 Exploring Operation: 1+46=47, Resulting Numbers: [9, 47] Generated Node #0,0,2: 48:[9, 47] Operation: 1+46=47 Exploring Operation: 9-1=8, Resulting Numbers: [46, 8] Generated Node #0,0,3: 48:[46, 8] Operation: 9-1=8 Moving to Node #0,0,2 Current State: 48:[9, 47], Operations: ['52-43=9', '1+46=47'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 9*47=423, Resulting Numbers: [423] 423,48 unequal: No Solution Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[46, 8], Operations: ['52-43=9', '9-1=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,48 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[9, 46], Operations: ['52-43=9', '46/1=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,48 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[9, 46], Operations: ['52-43=9', '1*46=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,48 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[1, 52, 3], Operations: ['46-43=3'] Exploring Operation: 52/1=52, Resulting Numbers: [3, 52] Generated Node #0,2,0: 48:[3, 52] Operation: 52/1=52 Exploring Operation: 1*52=52, Resulting Numbers: [3, 52] Generated Node #0,2,1: 48:[3, 52] Operation: 1*52=52 Exploring Operation: 52-3=49, Resulting Numbers: [1, 49] Generated Node #0,2,2: 48:[1, 49] Operation: 52-3=49 Exploring Operation: 52-1=51, Resulting Numbers: [3, 51] Generated Node #0,2,3: 48:[3, 51] Operation: 52-1=51 Moving to Node #0,2,2 Current State: 48:[1, 49], Operations: ['46-43=3', '52-3=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,48 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[1, 52, 43, 46], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [1, 52, 3] Generated Node #0,2: 48:[1, 52, 3] Operation: 46-43=3 Moving to Node #0,2 Current State: 48:[1, 52, 3], Operations: ['46-43=3'] Exploring Operation: 52-3=49, Resulting Numbers: [1, 49] Generated Node #0,2,2: 48:[1, 49] Operation: 52-3=49 Moving to Node #0,2,2 Current State: 48:[1, 49], Operations: ['46-43=3', '52-3=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 72, 74, 18, 33 ]
69
[ "74-72=2", "18*2=36", "33+36=69" ]
Current State: 69:[72, 74, 18, 33], Operations: [] Exploring Operation: 74-72=2, Resulting Numbers: [18, 33, 2] Generated Node #2: [18, 33, 2] from Operation: 74-72=2 Current State: 69:[18, 33, 2], Operations: ['74-72=2'] Exploring Operation: 18*2=36, Resulting Numbers: [33, 36] Generated Node #3: [33, 36] from Operation: 18*2=36 Current State: 69:[33, 36], Operations: ['74-72=2', '18*2=36'] Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[72, 74, 18, 33], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [74, 33, 4] Generated Node #0,0: 69:[74, 33, 4] Operation: 72/18=4 Exploring Operation: 33-18=15, Resulting Numbers: [72, 74, 15] Generated Node #0,1: 69:[72, 74, 15] Operation: 33-18=15 Exploring Operation: 74-72=2, Resulting Numbers: [18, 33, 2] Generated Node #0,2: 69:[18, 33, 2] Operation: 74-72=2 Exploring Operation: 72-33=39, Resulting Numbers: [74, 18, 39] Generated Node #0,3: 69:[74, 18, 39] Operation: 72-33=39 Exploring Operation: 74-18=56, Resulting Numbers: [72, 33, 56] Generated Node #0,4: 69:[72, 33, 56] Operation: 74-18=56 Moving to Node #0,0 Current State: 69:[74, 33, 4], Operations: ['72/18=4'] Exploring Operation: 33-4=29, Resulting Numbers: [74, 29] Generated Node #0,0,0: 69:[74, 29] Operation: 33-4=29 Exploring Operation: 74+4=78, Resulting Numbers: [33, 78] Generated Node #0,0,1: 69:[33, 78] Operation: 74+4=78 Exploring Operation: 33+4=37, Resulting Numbers: [74, 37] Generated Node #0,0,2: 69:[74, 37] Operation: 33+4=37 Exploring Operation: 74-4=70, Resulting Numbers: [33, 70] Generated Node #0,0,3: 69:[33, 70] Operation: 74-4=70 Exploring Operation: 74-33=41, Resulting Numbers: [4, 41] Generated Node #0,0,4: 69:[4, 41] Operation: 74-33=41 Moving to Node #0,2 Current State: 69:[18, 33, 2], Operations: ['74-72=2'] Exploring Operation: 33*2=66, Resulting Numbers: [18, 66] Generated Node #0,2,0: 69:[18, 66] Operation: 33*2=66 Exploring Operation: 33-2=31, Resulting Numbers: [18, 31] Generated Node #0,2,1: 69:[18, 31] Operation: 33-2=31 Exploring Operation: 18+2=20, Resulting Numbers: [33, 20] Generated Node #0,2,2: 69:[33, 20] Operation: 18+2=20 Exploring Operation: 18/2=9, Resulting Numbers: [33, 9] Generated Node #0,2,3: 69:[33, 9] Operation: 18/2=9 Exploring Operation: 33-18=15, Resulting Numbers: [2, 15] Generated Node #0,2,4: 69:[2, 15] Operation: 33-18=15 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[18, 66], Operations: ['74-72=2', '33*2=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,69 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,69 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,69 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 #0,2,4 Current State: 69:[2, 15], Operations: ['74-72=2', '33-18=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,69 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 #0,2,1 Current State: 69:[18, 31], Operations: ['74-72=2', '33-2=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,69 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 #0,2,2 Current State: 69:[33, 20], Operations: ['74-72=2', '18+2=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,69 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 #0,2,3 Current State: 69:[33, 9], Operations: ['74-72=2', '18/2=9'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,69 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,69 unequal: No Solution Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,69 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: 69:[72, 74, 15], Operations: ['33-18=15'] Exploring Operation: 72-15=57, Resulting Numbers: [74, 57] Generated Node #0,1,0: 69:[74, 57] Operation: 72-15=57 Exploring Operation: 74-15=59, Resulting Numbers: [72, 59] Generated Node #0,1,1: 69:[72, 59] Operation: 74-15=59 Exploring Operation: 74+15=89, Resulting Numbers: [72, 89] Generated Node #0,1,2: 69:[72, 89] Operation: 74+15=89 Exploring Operation: 72+15=87, Resulting Numbers: [74, 87] Generated Node #0,1,3: 69:[74, 87] Operation: 72+15=87 Exploring Operation: 74-72=2, Resulting Numbers: [15, 2] Generated Node #0,1,4: 69:[15, 2] Operation: 74-72=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 69:[15, 2], Operations: ['33-18=15', '74-72=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,69 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,69 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 #0,1,1 Current State: 69:[72, 59], Operations: ['33-18=15', '74-15=59'] Exploring Operation: 72*59=4248, Resulting Numbers: [4248] 4248,69 unequal: No Solution Exploring Operation: 72+59=131, Resulting Numbers: [131] 131,69 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,69 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 #0,1,0 Current State: 69:[74, 57], Operations: ['33-18=15', '72-15=57'] Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,69 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,69 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 #0,1,2 Current State: 69:[72, 89], Operations: ['33-18=15', '74+15=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,69 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,69 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,69 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 #0,1,3 Current State: 69:[74, 87], Operations: ['33-18=15', '72+15=87'] Exploring Operation: 74+87=161, Resulting Numbers: [161] 161,69 unequal: No Solution Exploring Operation: 74*87=6438, Resulting Numbers: [6438] 6438,69 unequal: No Solution Exploring Operation: 87-74=13, Resulting Numbers: [13] 13,69 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: 69:[74, 18, 39], Operations: ['72-33=39'] Exploring Operation: 39-18=21, Resulting Numbers: [74, 21] Generated Node #0,3,0: 69:[74, 21] Operation: 39-18=21 Exploring Operation: 74-18=56, Resulting Numbers: [39, 56] Generated Node #0,3,1: 69:[39, 56] Operation: 74-18=56 Exploring Operation: 18+39=57, Resulting Numbers: [74, 57] Generated Node #0,3,2: 69:[74, 57] Operation: 18+39=57 Exploring Operation: 74-39=35, Resulting Numbers: [18, 35] Generated Node #0,3,3: 69:[18, 35] Operation: 74-39=35 Exploring Operation: 74+18=92, Resulting Numbers: [39, 92] Generated Node #0,3,4: 69:[39, 92] Operation: 74+18=92 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 69:[74, 21], Operations: ['72-33=39', '39-18=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,69 unequal: No Solution Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,69 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 #0,3,2 Current State: 69:[74, 57], Operations: ['72-33=39', '18+39=57'] Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,69 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,69 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 #0,3,3 Current State: 69:[18, 35], Operations: ['72-33=39', '74-39=35'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,69 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,69 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 #0,3,1 Current State: 69:[39, 56], Operations: ['72-33=39', '74-18=56'] Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,69 unequal: No Solution Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,69 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,69 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 #0,3,4 Current State: 69:[39, 92], Operations: ['72-33=39', '74+18=92'] Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 39*92=3588, Resulting Numbers: [3588] 3588,69 unequal: No Solution Exploring Operation: 39+92=131, Resulting Numbers: [131] 131,69 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: 69:[72, 33, 56], Operations: ['74-18=56'] Exploring Operation: 33+56=89, Resulting Numbers: [72, 89] Generated Node #0,4,0: 69:[72, 89] Operation: 33+56=89 Exploring Operation: 72-56=16, Resulting Numbers: [33, 16] Generated Node #0,4,1: 69:[33, 16] Operation: 72-56=16 Exploring Operation: 72-33=39, Resulting Numbers: [56, 39] Generated Node #0,4,2: 69:[56, 39] Operation: 72-33=39 Exploring Operation: 56-33=23, Resulting Numbers: [72, 23] Generated Node #0,4,3: 69:[72, 23] Operation: 56-33=23 Exploring Operation: 72+33=105, Resulting Numbers: [56, 105] Generated Node #0,4,4: 69:[56, 105] Operation: 72+33=105 Moving to Node #0,4,3 Current State: 69:[72, 23], Operations: ['74-18=56', '56-33=23'] Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,69 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[74, 29], Operations: ['72/18=4', '33-4=29'] Exploring Operation: 74+29=103, Resulting Numbers: [103] 103,69 unequal: No Solution Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 74*29=2146, Resulting Numbers: [2146] 2146,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[33, 70], Operations: ['72/18=4', '74-4=70'] 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 Exploring Operation: 33+70=103, Resulting Numbers: [103] 103,69 unequal: No Solution Moving to Node #0,4,1 Current State: 69:[33, 16], Operations: ['74-18=56', '72-56=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,69 unequal: No Solution Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[33, 78], Operations: ['72/18=4', '74+4=78'] Exploring Operation: 78-33=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 33+78=111, Resulting Numbers: [111] 111,69 unequal: No Solution Exploring Operation: 33*78=2574, Resulting Numbers: [2574] 2574,69 unequal: No Solution Moving to Node #0,0,4 Current State: 69:[4, 41], Operations: ['72/18=4', '74-33=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,69 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[74, 37], Operations: ['72/18=4', '33+4=37'] Exploring Operation: 74/37=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 74*37=2738, Resulting Numbers: [2738] 2738,69 unequal: No Solution Exploring Operation: 74-37=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 74+37=111, Resulting Numbers: [111] 111,69 unequal: No Solution Moving to Node #0,4,0 Current State: 69:[72, 89], Operations: ['74-18=56', '33+56=89'] Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,69 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,69 unequal: No Solution Moving to Node #0,4,2 Current State: 69:[56, 39], Operations: ['74-18=56', '72-33=39'] Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,69 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,69 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,69 unequal: No Solution Moving to Node #0,4,4 Current State: 69:[56, 105], Operations: ['74-18=56', '72+33=105'] Exploring Operation: 56+105=161, Resulting Numbers: [161] 161,69 unequal: No Solution Exploring Operation: 105-56=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 56*105=5880, Resulting Numbers: [5880] 5880,69 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 83, 13, 16, 2 ]
27
[ "83-13=70", "70-16=54", "54/2=27" ]
Current State: 27:[83, 13, 16, 2], Operations: [] Exploring Operation: 83-13=70, Resulting Numbers: [16, 2, 70] Generated Node #2: [16, 2, 70] from Operation: 83-13=70 Current State: 27:[16, 2, 70], Operations: ['83-13=70'] Exploring Operation: 70-16=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 70-16=54 Current State: 27:[2, 54], Operations: ['83-13=70', '70-16=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[83, 13, 16, 2], Operations: [] Exploring Operation: 83-16=67, Resulting Numbers: [13, 2, 67] Generated Node #0,0: 27:[13, 2, 67] Operation: 83-16=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[13, 2, 67], Operations: ['83-16=67'] Exploring Operation: 67-13=54, Resulting Numbers: [2, 54] Generated Node #0,0,0: 27:[2, 54] Operation: 67-13=54 Moving to Node #0,0,0 Current State: 27:[2, 54], Operations: ['83-16=67', '67-13=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[83, 13, 16, 2], Operations: [] Exploring Operation: 83-16=67, Resulting Numbers: [13, 2, 67] Generated Node #0,0: 27:[13, 2, 67] Operation: 83-16=67 Moving to Node #0,0 Current State: 27:[13, 2, 67], Operations: ['83-16=67'] Exploring Operation: 67-13=54, Resulting Numbers: [2, 54] Generated Node #0,0,0: 27:[2, 54] Operation: 67-13=54 Moving to Node #0,0,0 Current State: 27:[2, 54], Operations: ['83-16=67', '67-13=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 97, 33, 74, 70 ]
16
[ "97-33=64", "74-70=4", "64/4=16" ]
Current State: 16:[97, 33, 74, 70], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [74, 70, 64] Generated Node #2: [74, 70, 64] from Operation: 97-33=64 Current State: 16:[74, 70, 64], Operations: ['97-33=64'] Exploring Operation: 74-70=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 74-70=4 Current State: 16:[64, 4], Operations: ['97-33=64', '74-70=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[97, 33, 74, 70], Operations: [] Exploring Operation: 97-74=23, Resulting Numbers: [33, 70, 23] Generated Node #0,0: 16:[33, 70, 23] Operation: 97-74=23 Exploring Operation: 97-33=64, Resulting Numbers: [74, 70, 64] Generated Node #0,1: 16:[74, 70, 64] Operation: 97-33=64 Exploring Operation: 74-70=4, Resulting Numbers: [97, 33, 4] Generated Node #0,2: 16:[97, 33, 4] Operation: 74-70=4 Exploring Operation: 97-70=27, Resulting Numbers: [33, 74, 27] Generated Node #0,3: 16:[33, 74, 27] Operation: 97-70=27 Moving to Node #0,0 Current State: 16:[33, 70, 23], Operations: ['97-74=23'] Exploring Operation: 33-23=10, Resulting Numbers: [70, 10] Generated Node #0,0,0: 16:[70, 10] Operation: 33-23=10 Exploring Operation: 70-33=37, Resulting Numbers: [23, 37] Generated Node #0,0,1: 16:[23, 37] Operation: 70-33=37 Exploring Operation: 70-23=47, Resulting Numbers: [33, 47] Generated Node #0,0,2: 16:[33, 47] Operation: 70-23=47 Exploring Operation: 33+70=103, Resulting Numbers: [23, 103] Generated Node #0,0,3: 16:[23, 103] Operation: 33+70=103 Moving to Node #0,3 Current State: 16:[33, 74, 27], Operations: ['97-70=27'] Exploring Operation: 74-27=47, Resulting Numbers: [33, 47] Generated Node #0,3,0: 16:[33, 47] Operation: 74-27=47 Exploring Operation: 33-27=6, Resulting Numbers: [74, 6] Generated Node #0,3,1: 16:[74, 6] Operation: 33-27=6 Exploring Operation: 74-33=41, Resulting Numbers: [27, 41] Generated Node #0,3,2: 16:[27, 41] Operation: 74-33=41 Exploring Operation: 33+74=107, Resulting Numbers: [27, 107] Generated Node #0,3,3: 16:[27, 107] Operation: 33+74=107 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 16:[27, 41], Operations: ['97-70=27', '74-33=41'] Exploring Operation: 27+41=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 27*41=1107, Resulting Numbers: [1107] 1107,16 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 16:[33, 47], Operations: ['97-70=27', '74-27=47'] Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,16 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 16:[74, 6], Operations: ['97-70=27', '33-27=6'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 74+6=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 74*6=444, Resulting Numbers: [444] 444,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 16:[27, 107], Operations: ['97-70=27', '33+74=107'] Exploring Operation: 27*107=2889, Resulting Numbers: [2889] 2889,16 unequal: No Solution Exploring Operation: 107-27=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 27+107=134, Resulting Numbers: [134] 134,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 16:[97, 33, 4], Operations: ['74-70=4'] Exploring Operation: 97-33=64, Resulting Numbers: [4, 64] Generated Node #0,2,0: 16:[4, 64] Operation: 97-33=64 Exploring Operation: 97-4=93, Resulting Numbers: [33, 93] Generated Node #0,2,1: 16:[33, 93] Operation: 97-4=93 Exploring Operation: 97+4=101, Resulting Numbers: [33, 101] Generated Node #0,2,2: 16:[33, 101] Operation: 97+4=101 Exploring Operation: 33-4=29, Resulting Numbers: [97, 29] Generated Node #0,2,3: 16:[97, 29] Operation: 33-4=29 Moving to Node #0,1 Current State: 16:[74, 70, 64], Operations: ['97-33=64'] Exploring Operation: 74+70=144, Resulting Numbers: [64, 144] Generated Node #0,1,0: 16:[64, 144] Operation: 74+70=144 Exploring Operation: 74-64=10, Resulting Numbers: [70, 10] Generated Node #0,1,1: 16:[70, 10] Operation: 74-64=10 Exploring Operation: 70-64=6, Resulting Numbers: [74, 6] Generated Node #0,1,2: 16:[74, 6] Operation: 70-64=6 Exploring Operation: 74-70=4, Resulting Numbers: [64, 4] Generated Node #0,1,3: 16:[64, 4] Operation: 74-70=4 Moving to Node #0,0,1 Current State: 16:[23, 37], Operations: ['97-74=23', '70-33=37'] Exploring Operation: 23*37=851, Resulting Numbers: [851] 851,16 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 23+37=60, Resulting Numbers: [60] 60,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[33, 47], Operations: ['97-74=23', '70-23=47'] Exploring Operation: 33*47=1551, Resulting Numbers: [1551] 1551,16 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 33+47=80, Resulting Numbers: [80] 80,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[4, 64], Operations: ['74-70=4', '97-33=64'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,16 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[97, 33, 74, 70], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [97, 33, 4] Generated Node #0,2: 16:[97, 33, 4] Operation: 74-70=4 Moving to Node #0,2 Current State: 16:[97, 33, 4], Operations: ['74-70=4'] Exploring Operation: 97-33=64, Resulting Numbers: [4, 64] Generated Node #0,2,0: 16:[4, 64] Operation: 97-33=64 Moving to Node #0,2,0 Current State: 16:[4, 64], Operations: ['74-70=4', '97-33=64'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.960938
hs_4
sum_heuristic
[ 50, 52, 89, 20 ]
67
[ "52-50=2", "89-20=69", "69-2=67" ]
Current State: 67:[50, 52, 89, 20], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [89, 20, 2] Generated Node #2: [89, 20, 2] from Operation: 52-50=2 Current State: 67:[89, 20, 2], Operations: ['52-50=2'] Exploring Operation: 89-20=69, Resulting Numbers: [2, 69] Generated Node #3: [2, 69] from Operation: 89-20=69 Current State: 67:[2, 69], Operations: ['52-50=2', '89-20=69'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[50, 52, 89, 20], Operations: [] Exploring Operation: 89-20=69, Resulting Numbers: [50, 52, 69] Generated Node #0,0: 67:[50, 52, 69] Operation: 89-20=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[50, 52, 69], Operations: ['89-20=69'] Exploring Operation: 50+52=102, Resulting Numbers: [69, 102] Generated Node #0,0,0: 67:[69, 102] Operation: 50+52=102 Moving to Node #0,0,0 Current State: 67:[69, 102], Operations: ['89-20=69', '50+52=102'] Exploring Operation: 102-69=33, Resulting Numbers: [33] 33,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 32, 57, 47, 65 ]
20
[ "32*65=2080", "57+47=104", "2080/104=20" ]
Current State: 20:[32, 57, 47, 65], Operations: [] Exploring Operation: 32*65=2080, Resulting Numbers: [57, 47, 2080] Generated Node #2: [57, 47, 2080] from Operation: 32*65=2080 Current State: 20:[57, 47, 2080], Operations: ['32*65=2080'] Exploring Operation: 57+47=104, Resulting Numbers: [2080, 104] Generated Node #3: [2080, 104] from Operation: 57+47=104 Current State: 20:[2080, 104], Operations: ['32*65=2080', '57+47=104'] Exploring Operation: 2080/104=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[32, 57, 47, 65], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [32, 47, 8] Generated Node #0,0: 20:[32, 47, 8] Operation: 65-57=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[32, 47, 8], Operations: ['65-57=8'] Exploring Operation: 47-32=15, Resulting Numbers: [8, 15] Generated Node #0,0,0: 20:[8, 15] Operation: 47-32=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[8, 15], Operations: ['65-57=8', '47-32=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 97, 92, 13, 7 ]
80
[ "97-13=84", "84/7=12", "92-12=80" ]
Current State: 80:[97, 92, 13, 7], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [92, 7, 84] Generated Node #2: [92, 7, 84] from Operation: 97-13=84 Current State: 80:[92, 7, 84], Operations: ['97-13=84'] Exploring Operation: 84/7=12, Resulting Numbers: [92, 12] Generated Node #3: [92, 12] from Operation: 84/7=12 Current State: 80:[92, 12], Operations: ['97-13=84', '84/7=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[97, 92, 13, 7], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [92, 7, 84] Generated Node #0,0: 80:[92, 7, 84] Operation: 97-13=84 Exploring Operation: 97-92=5, Resulting Numbers: [13, 7, 5] Generated Node #0,1: 80:[13, 7, 5] Operation: 97-92=5 Exploring Operation: 92-13=79, Resulting Numbers: [97, 7, 79] Generated Node #0,2: 80:[97, 7, 79] Operation: 92-13=79 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[13, 7, 5], Operations: ['97-92=5'] Exploring Operation: 13+7=20, Resulting Numbers: [5, 20] Generated Node #0,1,0: 80:[5, 20] Operation: 13+7=20 Exploring Operation: 13-7=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 80:[5, 6] Operation: 13-7=6 Exploring Operation: 13-5=8, Resulting Numbers: [7, 8] Generated Node #0,1,2: 80:[7, 8] Operation: 13-5=8 Moving to Node #0,1,0 Current State: 80:[5, 20], Operations: ['97-92=5', '13+7=20'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,80 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[5, 6], Operations: ['97-92=5', '13-7=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,80 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[7, 8], Operations: ['97-92=5', '13-5=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 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 Current State: 80:[92, 7, 84], Operations: ['97-13=84'] Exploring Operation: 92-7=85, Resulting Numbers: [84, 85] Generated Node #0,0,0: 80:[84, 85] Operation: 92-7=85 Exploring Operation: 92-84=8, Resulting Numbers: [7, 8] Generated Node #0,0,1: 80:[7, 8] Operation: 92-84=8 Exploring Operation: 84/7=12, Resulting Numbers: [92, 12] Generated Node #0,0,2: 80:[92, 12] Operation: 84/7=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[7, 8], Operations: ['97-13=84', '92-84=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[84, 85], Operations: ['97-13=84', '92-7=85'] Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,80 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,80 unequal: No Solution Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[92, 12], Operations: ['97-13=84', '84/7=12'] Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,80 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[97, 92, 13, 7], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [92, 7, 84] Generated Node #0,0: 80:[92, 7, 84] Operation: 97-13=84 Moving to Node #0,0 Current State: 80:[92, 7, 84], Operations: ['97-13=84'] Exploring Operation: 84/7=12, Resulting Numbers: [92, 12] Generated Node #0,0,2: 80:[92, 12] Operation: 84/7=12 Moving to Node #0,0,2 Current State: 80:[92, 12], Operations: ['97-13=84', '84/7=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
sum_heuristic
[ 46, 17, 98, 10 ]
60
[ "17-10=7", "98/7=14", "46+14=60" ]
Current State: 60:[46, 17, 98, 10], Operations: [] Exploring Operation: 17-10=7, Resulting Numbers: [46, 98, 7] Generated Node #2: [46, 98, 7] from Operation: 17-10=7 Current State: 60:[46, 98, 7], Operations: ['17-10=7'] Exploring Operation: 98/7=14, Resulting Numbers: [46, 14] Generated Node #3: [46, 14] from Operation: 98/7=14 Current State: 60:[46, 14], Operations: ['17-10=7', '98/7=14'] Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[46, 17, 98, 10], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [17, 10, 52] Generated Node #0,0: 60:[17, 10, 52] Operation: 98-46=52 Exploring Operation: 98-17=81, Resulting Numbers: [46, 10, 81] Generated Node #0,1: 60:[46, 10, 81] Operation: 98-17=81 Exploring Operation: 46-17=29, Resulting Numbers: [98, 10, 29] Generated Node #0,2: 60:[98, 10, 29] Operation: 46-17=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[17, 10, 52], Operations: ['98-46=52'] Exploring Operation: 10+52=62, Resulting Numbers: [17, 62] Generated Node #0,0,0: 60:[17, 62] Operation: 10+52=62 Exploring Operation: 52-17=35, Resulting Numbers: [10, 35] Generated Node #0,0,1: 60:[10, 35] Operation: 52-17=35 Exploring Operation: 17-10=7, Resulting Numbers: [52, 7] Generated Node #0,0,2: 60:[52, 7] Operation: 17-10=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[17, 62], Operations: ['98-46=52', '10+52=62'] Exploring Operation: 17+62=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 17*62=1054, Resulting Numbers: [1054] 1054,60 unequal: No Solution Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[10, 35], Operations: ['98-46=52', '52-17=35'] Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,60 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,60 unequal: No Solution Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 60:[52, 7], Operations: ['98-46=52', '17-10=7'] Exploring Operation: 52*7=364, Resulting Numbers: [364] 364,60 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 52+7=59, Resulting Numbers: [59] 59,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[46, 10, 81], Operations: ['98-17=81'] Exploring Operation: 46+10=56, Resulting Numbers: [81, 56] Generated Node #0,1,0: 60:[81, 56] Operation: 46+10=56 Exploring Operation: 81-46=35, Resulting Numbers: [10, 35] Generated Node #0,1,1: 60:[10, 35] Operation: 81-46=35 Exploring Operation: 81-10=71, Resulting Numbers: [46, 71] Generated Node #0,1,2: 60:[46, 71] Operation: 81-10=71 Moving to Node #0,1,1 Current State: 60:[10, 35], Operations: ['98-17=81', '81-46=35'] Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,60 unequal: No Solution Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[81, 56], Operations: ['98-17=81', '46+10=56'] Exploring Operation: 81*56=4536, Resulting Numbers: [4536] 4536,60 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,60 unequal: No Solution Exploring Operation: 81+56=137, Resulting Numbers: [137] 137,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[46, 71], Operations: ['98-17=81', '81-10=71'] Exploring Operation: 46*71=3266, Resulting Numbers: [3266] 3266,60 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,60 unequal: No Solution Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[98, 10, 29], Operations: ['46-17=29'] Exploring Operation: 98-10=88, Resulting Numbers: [29, 88] Generated Node #0,2,0: 60:[29, 88] Operation: 98-10=88 Exploring Operation: 29-10=19, Resulting Numbers: [98, 19] Generated Node #0,2,1: 60:[98, 19] Operation: 29-10=19 Exploring Operation: 98-29=69, Resulting Numbers: [10, 69] Generated Node #0,2,2: 60:[10, 69] Operation: 98-29=69 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[10, 69], Operations: ['46-17=29', '98-29=69'] Exploring Operation: 10+69=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 10*69=690, Resulting Numbers: [690] 690,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[29, 88], Operations: ['46-17=29', '98-10=88'] Exploring Operation: 29+88=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 29*88=2552, Resulting Numbers: [2552] 2552,60 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[98, 19], Operations: ['46-17=29', '29-10=19'] Exploring Operation: 98-19=79, Resulting Numbers: [79] 79,60 unequal: No Solution Exploring Operation: 98+19=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 98*19=1862, Resulting Numbers: [1862] 1862,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 44, 22, 82, 75 ]
29
[ "44-22=22", "82-75=7", "22+7=29" ]
Current State: 29:[44, 22, 82, 75], Operations: [] Exploring Operation: 44-22=22, Resulting Numbers: [82, 75, 22] Generated Node #2: [82, 75, 22] from Operation: 44-22=22 Current State: 29:[82, 75, 22], Operations: ['44-22=22'] Exploring Operation: 82-75=7, Resulting Numbers: [22, 7] Generated Node #3: [22, 7] from Operation: 82-75=7 Current State: 29:[22, 7], Operations: ['44-22=22', '82-75=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[44, 22, 82, 75], Operations: [] Exploring Operation: 75-44=31, Resulting Numbers: [22, 82, 31] Generated Node #0,0: 29:[22, 82, 31] Operation: 75-44=31 Exploring Operation: 82-75=7, Resulting Numbers: [44, 22, 7] Generated Node #0,1: 29:[44, 22, 7] Operation: 82-75=7 Exploring Operation: 82-22=60, Resulting Numbers: [44, 75, 60] Generated Node #0,2: 29:[44, 75, 60] Operation: 82-22=60 Exploring Operation: 82-44=38, Resulting Numbers: [22, 75, 38] Generated Node #0,3: 29:[22, 75, 38] Operation: 82-44=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[44, 22, 7], Operations: ['82-75=7'] Exploring Operation: 44-7=37, Resulting Numbers: [22, 37] Generated Node #0,1,0: 29:[22, 37] Operation: 44-7=37 Exploring Operation: 44-22=22, Resulting Numbers: [7, 22] Generated Node #0,1,1: 29:[7, 22] Operation: 44-22=22 Exploring Operation: 22+7=29, Resulting Numbers: [44, 29] Generated Node #0,1,2: 29:[44, 29] Operation: 22+7=29 Exploring Operation: 44+7=51, Resulting Numbers: [22, 51] Generated Node #0,1,3: 29:[22, 51] Operation: 44+7=51 Moving to Node #0,1,0 Current State: 29:[22, 37], Operations: ['82-75=7', '44-7=37'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,29 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[44, 29], Operations: ['82-75=7', '22+7=29'] Exploring Operation: 44*29=1276, Resulting Numbers: [1276] 1276,29 unequal: No Solution Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[22, 51], Operations: ['82-75=7', '44+7=51'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[44, 22, 82, 75], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [44, 22, 7] Generated Node #0,1: 29:[44, 22, 7] Operation: 82-75=7 Moving to Node #0,1 Current State: 29:[44, 22, 7], Operations: ['82-75=7'] Exploring Operation: 44+7=51, Resulting Numbers: [22, 51] Generated Node #0,1,3: 29:[22, 51] Operation: 44+7=51 Moving to Node #0,1,3 Current State: 29:[22, 51], Operations: ['82-75=7', '44+7=51'] Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 79, 37, 84, 7 ]
96
[ "79+84=163", "37*7=259", "259-163=96" ]
Current State: 96:[79, 37, 84, 7], Operations: [] Exploring Operation: 79+84=163, Resulting Numbers: [37, 7, 163] Generated Node #2: [37, 7, 163] from Operation: 79+84=163 Current State: 96:[37, 7, 163], Operations: ['79+84=163'] Exploring Operation: 37*7=259, Resulting Numbers: [163, 259] Generated Node #3: [163, 259] from Operation: 37*7=259 Current State: 96:[163, 259], Operations: ['79+84=163', '37*7=259'] Exploring Operation: 259-163=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[79, 37, 84, 7], Operations: [] Exploring Operation: 79-37=42, Resulting Numbers: [84, 7, 42] Generated Node #0,0: 96:[84, 7, 42] Operation: 79-37=42 Exploring Operation: 84-79=5, Resulting Numbers: [37, 7, 5] Generated Node #0,1: 96:[37, 7, 5] Operation: 84-79=5 Exploring Operation: 84-37=47, Resulting Numbers: [79, 7, 47] Generated Node #0,2: 96:[79, 7, 47] Operation: 84-37=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[37, 7, 5], Operations: ['84-79=5'] Exploring Operation: 37-5=32, Resulting Numbers: [7, 32] Generated Node #0,1,0: 96:[7, 32] Operation: 37-5=32 Exploring Operation: 37+7=44, Resulting Numbers: [5, 44] Generated Node #0,1,1: 96:[5, 44] Operation: 37+7=44 Exploring Operation: 37-7=30, Resulting Numbers: [5, 30] Generated Node #0,1,2: 96:[5, 30] Operation: 37-7=30 Moving to Node #0,1,0 Current State: 96:[7, 32], Operations: ['84-79=5', '37-5=32'] Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,96 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[5, 30], Operations: ['84-79=5', '37-7=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[5, 44], Operations: ['84-79=5', '37+7=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 5*44=220, Resulting Numbers: [220] 220,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[84, 7, 42], Operations: ['79-37=42'] Exploring Operation: 84/7=12, Resulting Numbers: [42, 12] Generated Node #0,0,0: 96:[42, 12] Operation: 84/7=12 Exploring Operation: 84-42=42, Resulting Numbers: [7, 42] Generated Node #0,0,1: 96:[7, 42] Operation: 84-42=42 Exploring Operation: 84/42=2, Resulting Numbers: [7, 2] Generated Node #0,0,2: 96:[7, 2] Operation: 84/42=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[7, 2], Operations: ['79-37=42', '84/42=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 96:[42, 12], Operations: ['79-37=42', '84/7=12'] Exploring Operation: 42+12=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 42*12=504, Resulting Numbers: [504] 504,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[7, 42], Operations: ['79-37=42', '84-42=42'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[79, 7, 47], Operations: ['84-37=47'] Exploring Operation: 79-47=32, Resulting Numbers: [7, 32] Generated Node #0,2,0: 96:[7, 32] Operation: 79-47=32 Exploring Operation: 7+47=54, Resulting Numbers: [79, 54] Generated Node #0,2,1: 96:[79, 54] Operation: 7+47=54 Exploring Operation: 79+7=86, Resulting Numbers: [47, 86] Generated Node #0,2,2: 96:[47, 86] Operation: 79+7=86 Moving to Node #0,2,0 Current State: 96:[7, 32], Operations: ['84-37=47', '79-47=32'] Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,96 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[47, 86], Operations: ['84-37=47', '79+7=86'] Exploring Operation: 47+86=133, Resulting Numbers: [133] 133,96 unequal: No Solution Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 47*86=4042, Resulting Numbers: [4042] 4042,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[79, 54], Operations: ['84-37=47', '7+47=54'] Exploring Operation: 79*54=4266, Resulting Numbers: [4266] 4266,96 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 79+54=133, Resulting Numbers: [133] 133,96 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
[ 84, 13, 27, 69 ]
29
[ "84-13=71", "69-27=42", "71-42=29" ]
Current State: 29:[84, 13, 27, 69], Operations: [] Exploring Operation: 84-13=71, Resulting Numbers: [27, 69, 71] Generated Node #2: [27, 69, 71] from Operation: 84-13=71 Current State: 29:[27, 69, 71], Operations: ['84-13=71'] Exploring Operation: 69-27=42, Resulting Numbers: [71, 42] Generated Node #3: [71, 42] from Operation: 69-27=42 Current State: 29:[71, 42], Operations: ['84-13=71', '69-27=42'] Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[84, 13, 27, 69], Operations: [] Exploring Operation: 84-13=71, Resulting Numbers: [27, 69, 71] Generated Node #0,0: 29:[27, 69, 71] Operation: 84-13=71 Exploring Operation: 84-69=15, Resulting Numbers: [13, 27, 15] Generated Node #0,1: 29:[13, 27, 15] Operation: 84-69=15 Moving to Node #0,1 Current State: 29:[13, 27, 15], Operations: ['84-69=15'] Exploring Operation: 13+15=28, Resulting Numbers: [27, 28] Generated Node #0,1,0: 29:[27, 28] Operation: 13+15=28 Exploring Operation: 13+27=40, Resulting Numbers: [15, 40] Generated Node #0,1,1: 29:[15, 40] Operation: 13+27=40 Moving to Node #0,0 Current State: 29:[27, 69, 71], Operations: ['84-13=71'] Exploring Operation: 69-27=42, Resulting Numbers: [71, 42] Generated Node #0,0,0: 29:[71, 42] Operation: 69-27=42 Exploring Operation: 71-69=2, Resulting Numbers: [27, 2] Generated Node #0,0,1: 29:[27, 2] Operation: 71-69=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[27, 2], Operations: ['84-13=71', '71-69=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[84, 13, 27, 69], Operations: [] Exploring Operation: 84-13=71, Resulting Numbers: [27, 69, 71] Generated Node #0,0: 29:[27, 69, 71] Operation: 84-13=71 Moving to Node #0,0 Current State: 29:[27, 69, 71], Operations: ['84-13=71'] Exploring Operation: 71-69=2, Resulting Numbers: [27, 2] Generated Node #0,0,1: 29:[27, 2] Operation: 71-69=2 Moving to Node #0,0,1 Current State: 29:[27, 2], Operations: ['84-13=71', '71-69=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 8, 27, 8, 72 ]
19
[ "8*8=64", "72-27=45", "64-45=19" ]
Current State: 19:[8, 27, 8, 72], Operations: [] Exploring Operation: 8*8=64, Resulting Numbers: [27, 72, 64] Generated Node #2: [27, 72, 64] from Operation: 8*8=64 Current State: 19:[27, 72, 64], Operations: ['8*8=64'] Exploring Operation: 72-27=45, Resulting Numbers: [64, 45] Generated Node #3: [64, 45] from Operation: 72-27=45 Current State: 19:[64, 45], Operations: ['8*8=64', '72-27=45'] Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[8, 27, 8, 72], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [27, 8, 9] Generated Node #0,0: 19:[27, 8, 9] Operation: 72/8=9 Exploring Operation: 72/8=9, Resulting Numbers: [8, 27, 9] Generated Node #0,1: 19:[8, 27, 9] Operation: 72/8=9 Moving to Node #0,0 Current State: 19:[27, 8, 9], Operations: ['72/8=9'] Exploring Operation: 27-8=19, Resulting Numbers: [9, 19] Generated Node #0,0,0: 19:[9, 19] Operation: 27-8=19 Exploring Operation: 8+9=17, Resulting Numbers: [27, 17] Generated Node #0,0,1: 19:[27, 17] Operation: 8+9=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[9, 19], Operations: ['72/8=9', '27-8=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[27, 17], Operations: ['72/8=9', '8+9=17'] Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 19:[8, 27, 9], Operations: ['72/8=9'] Exploring Operation: 27-8=19, Resulting Numbers: [9, 19] Generated Node #0,1,0: 19:[9, 19] Operation: 27-8=19 Exploring Operation: 8+9=17, Resulting Numbers: [27, 17] Generated Node #0,1,1: 19:[27, 17] Operation: 8+9=17 Moving to Node #0,1,0 Current State: 19:[9, 19], Operations: ['72/8=9', '27-8=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[27, 17], Operations: ['72/8=9', '8+9=17'] Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 96, 80, 44, 11 ]
39
[ "96-80=16", "44+11=55", "55-16=39" ]
Current State: 39:[96, 80, 44, 11], Operations: [] Exploring Operation: 96-80=16, Resulting Numbers: [44, 11, 16] Generated Node #2: [44, 11, 16] from Operation: 96-80=16 Current State: 39:[44, 11, 16], Operations: ['96-80=16'] Exploring Operation: 44+11=55, Resulting Numbers: [16, 55] Generated Node #3: [16, 55] from Operation: 44+11=55 Current State: 39:[16, 55], Operations: ['96-80=16', '44+11=55'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[96, 80, 44, 11], Operations: [] Exploring Operation: 96-80=16, Resulting Numbers: [44, 11, 16] Generated Node #0,0: 39:[44, 11, 16] Operation: 96-80=16 Exploring Operation: 96-44=52, Resulting Numbers: [80, 11, 52] Generated Node #0,1: 39:[80, 11, 52] Operation: 96-44=52 Exploring Operation: 96-11=85, Resulting Numbers: [80, 44, 85] Generated Node #0,2: 39:[80, 44, 85] Operation: 96-11=85 Exploring Operation: 80-44=36, Resulting Numbers: [96, 11, 36] Generated Node #0,3: 39:[96, 11, 36] Operation: 80-44=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[44, 11, 16], Operations: ['96-80=16'] Exploring Operation: 44-11=33, Resulting Numbers: [16, 33] Generated Node #0,0,0: 39:[16, 33] Operation: 44-11=33 Exploring Operation: 44-16=28, Resulting Numbers: [11, 28] Generated Node #0,0,1: 39:[11, 28] Operation: 44-16=28 Exploring Operation: 16-11=5, Resulting Numbers: [44, 5] Generated Node #0,0,2: 39:[44, 5] Operation: 16-11=5 Exploring Operation: 44/11=4, Resulting Numbers: [16, 4] Generated Node #0,0,3: 39:[16, 4] Operation: 44/11=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 39:[16, 4], Operations: ['96-80=16', '44/11=4'] Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,39 unequal: No Solution Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[44, 5], Operations: ['96-80=16', '16-11=5'] Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,39 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[96, 80, 44, 11], Operations: [] Exploring Operation: 96-80=16, Resulting Numbers: [44, 11, 16] Generated Node #0,0: 39:[44, 11, 16] Operation: 96-80=16 Moving to Node #0,0 Current State: 39:[44, 11, 16], Operations: ['96-80=16'] Exploring Operation: 16-11=5, Resulting Numbers: [44, 5] Generated Node #0,0,2: 39:[44, 5] Operation: 16-11=5 Moving to Node #0,0,2 Current State: 39:[44, 5], Operations: ['96-80=16', '16-11=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 91, 75, 5, 67 ]
13
[ "91-75=16", "5*16=80", "80-67=13" ]
Current State: 13:[91, 75, 5, 67], Operations: [] Exploring Operation: 91-75=16, Resulting Numbers: [5, 67, 16] Generated Node #2: [5, 67, 16] from Operation: 91-75=16 Current State: 13:[5, 67, 16], Operations: ['91-75=16'] Exploring Operation: 5*16=80, Resulting Numbers: [67, 80] Generated Node #3: [67, 80] from Operation: 5*16=80 Current State: 13:[67, 80], Operations: ['91-75=16', '5*16=80'] Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[91, 75, 5, 67], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [91, 5, 8] Generated Node #0,0: 13:[91, 5, 8] Operation: 75-67=8 Exploring Operation: 91-5=86, Resulting Numbers: [75, 67, 86] Generated Node #0,1: 13:[75, 67, 86] Operation: 91-5=86 Exploring Operation: 91-67=24, Resulting Numbers: [75, 5, 24] Generated Node #0,2: 13:[75, 5, 24] Operation: 91-67=24 Exploring Operation: 75/5=15, Resulting Numbers: [91, 67, 15] Generated Node #0,3: 13:[91, 67, 15] Operation: 75/5=15 Exploring Operation: 91-75=16, Resulting Numbers: [5, 67, 16] Generated Node #0,4: 13:[5, 67, 16] Operation: 91-75=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[5, 67, 16], Operations: ['91-75=16'] Exploring Operation: 67-5=62, Resulting Numbers: [16, 62] Generated Node #0,4,0: 13:[16, 62] Operation: 67-5=62 Exploring Operation: 16-5=11, Resulting Numbers: [67, 11] Generated Node #0,4,1: 13:[67, 11] Operation: 16-5=11 Exploring Operation: 67-16=51, Resulting Numbers: [5, 51] Generated Node #0,4,2: 13:[5, 51] Operation: 67-16=51 Exploring Operation: 5+67=72, Resulting Numbers: [16, 72] Generated Node #0,4,3: 13:[16, 72] Operation: 5+67=72 Exploring Operation: 5+16=21, Resulting Numbers: [67, 21] Generated Node #0,4,4: 13:[67, 21] Operation: 5+16=21 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 13:[5, 51], Operations: ['91-75=16', '67-16=51'] Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,13 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 13:[16, 62], Operations: ['91-75=16', '67-5=62'] Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,13 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 13:[67, 11], Operations: ['91-75=16', '16-5=11'] Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,13 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 13:[16, 72], Operations: ['91-75=16', '5+67=72'] Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,13 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 13:[67, 21], Operations: ['91-75=16', '5+16=21'] Exploring Operation: 67-21=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 67*21=1407, Resulting Numbers: [1407] 1407,13 unequal: No Solution Exploring Operation: 67+21=88, Resulting Numbers: [88] 88,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[75, 5, 24], Operations: ['91-67=24'] Exploring Operation: 75/5=15, Resulting Numbers: [24, 15] Generated Node #0,2,0: 13:[24, 15] Operation: 75/5=15 Exploring Operation: 75-5=70, Resulting Numbers: [24, 70] Generated Node #0,2,1: 13:[24, 70] Operation: 75-5=70 Exploring Operation: 75+5=80, Resulting Numbers: [24, 80] Generated Node #0,2,2: 13:[24, 80] Operation: 75+5=80 Exploring Operation: 24-5=19, Resulting Numbers: [75, 19] Generated Node #0,2,3: 13:[75, 19] Operation: 24-5=19 Exploring Operation: 75-24=51, Resulting Numbers: [5, 51] Generated Node #0,2,4: 13:[5, 51] Operation: 75-24=51 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[24, 15], Operations: ['91-67=24', '75/5=15'] Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 13:[5, 51], Operations: ['91-67=24', '75-24=51'] Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,13 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[24, 70], Operations: ['91-67=24', '75-5=70'] Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 13:[75, 19], Operations: ['91-67=24', '24-5=19'] Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,13 unequal: No Solution Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 13:[24, 80], Operations: ['91-67=24', '75+5=80'] Exploring Operation: 24+80=104, Resulting Numbers: [104] 104,13 unequal: No Solution Exploring Operation: 24*80=1920, Resulting Numbers: [1920] 1920,13 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[91, 5, 8], Operations: ['75-67=8'] Exploring Operation: 8-5=3, Resulting Numbers: [91, 3] Generated Node #0,0,0: 13:[91, 3] Operation: 8-5=3 Exploring Operation: 91-5=86, Resulting Numbers: [8, 86] Generated Node #0,0,1: 13:[8, 86] Operation: 91-5=86 Exploring Operation: 5+8=13, Resulting Numbers: [91, 13] Generated Node #0,0,2: 13:[91, 13] Operation: 5+8=13 Exploring Operation: 91+5=96, Resulting Numbers: [8, 96] Generated Node #0,0,3: 13:[8, 96] Operation: 91+5=96 Exploring Operation: 91-8=83, Resulting Numbers: [5, 83] Generated Node #0,0,4: 13:[5, 83] Operation: 91-8=83 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 13:[8, 86], Operations: ['75-67=8', '91-5=86'] Exploring Operation: 8*86=688, Resulting Numbers: [688] 688,13 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 8+86=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[91, 13], Operations: ['75-67=8', '5+8=13'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,13 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 13:[5, 83], Operations: ['75-67=8', '91-8=83'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 5+83=88, Resulting Numbers: [88] 88,13 unequal: No Solution Exploring Operation: 5*83=415, Resulting Numbers: [415] 415,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[91, 3], Operations: ['75-67=8', '8-5=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,13 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 13:[8, 96], Operations: ['75-67=8', '91+5=96'] Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 8*96=768, Resulting Numbers: [768] 768,13 unequal: No Solution Exploring Operation: 8+96=104, Resulting Numbers: [104] 104,13 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[91, 67, 15], Operations: ['75/5=15'] Exploring Operation: 91+67=158, Resulting Numbers: [15, 158] Generated Node #0,3,0: 13:[15, 158] Operation: 91+67=158 Exploring Operation: 91-15=76, Resulting Numbers: [67, 76] Generated Node #0,3,1: 13:[67, 76] Operation: 91-15=76 Exploring Operation: 67-15=52, Resulting Numbers: [91, 52] Generated Node #0,3,2: 13:[91, 52] Operation: 67-15=52 Exploring Operation: 91-67=24, Resulting Numbers: [15, 24] Generated Node #0,3,3: 13:[15, 24] Operation: 91-67=24 Exploring Operation: 91+15=106, Resulting Numbers: [67, 106] Generated Node #0,3,4: 13:[67, 106] Operation: 91+15=106 Moving to Node #0,3,3 Current State: 13:[15, 24], Operations: ['75/5=15', '91-67=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,13 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[91, 52], Operations: ['75/5=15', '67-15=52'] Exploring Operation: 91*52=4732, Resulting Numbers: [4732] 4732,13 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[67, 76], Operations: ['75/5=15', '91-15=76'] Exploring Operation: 67*76=5092, Resulting Numbers: [5092] 5092,13 unequal: No Solution Exploring Operation: 67+76=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,13 unequal: No Solution Moving to Node #0,3,0 Current State: 13:[15, 158], Operations: ['75/5=15', '91+67=158'] Exploring Operation: 158-15=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 15+158=173, Resulting Numbers: [173] 173,13 unequal: No Solution Exploring Operation: 15*158=2370, Resulting Numbers: [2370] 2370,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[67, 106], Operations: ['75/5=15', '91+15=106'] Exploring Operation: 106-67=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 67*106=7102, Resulting Numbers: [7102] 7102,13 unequal: No Solution Exploring Operation: 67+106=173, Resulting Numbers: [173] 173,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[75, 67, 86], Operations: ['91-5=86'] Exploring Operation: 75+67=142, Resulting Numbers: [86, 142] Generated Node #0,1,0: 13:[86, 142] Operation: 75+67=142 Exploring Operation: 75+86=161, Resulting Numbers: [67, 161] Generated Node #0,1,1: 13:[67, 161] Operation: 75+86=161 Exploring Operation: 75-67=8, Resulting Numbers: [86, 8] Generated Node #0,1,2: 13:[86, 8] Operation: 75-67=8 Exploring Operation: 86-75=11, Resulting Numbers: [67, 11] Generated Node #0,1,3: 13:[67, 11] Operation: 86-75=11 Exploring Operation: 86-67=19, Resulting Numbers: [75, 19] Generated Node #0,1,4: 13:[75, 19] Operation: 86-67=19 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 13:[67, 11], Operations: ['91-5=86', '86-75=11'] Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,13 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 13:[75, 19], Operations: ['91-5=86', '86-67=19'] Exploring Operation: 75-19=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 75*19=1425, Resulting Numbers: [1425] 1425,13 unequal: No Solution Exploring Operation: 75+19=94, Resulting Numbers: [94] 94,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[86, 8], Operations: ['91-5=86', '75-67=8'] Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,13 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[86, 142], Operations: ['91-5=86', '75+67=142'] Exploring Operation: 86*142=12212, Resulting Numbers: [12212] 12212,13 unequal: No Solution Exploring Operation: 86+142=228, Resulting Numbers: [228] 228,13 unequal: No Solution Exploring Operation: 142-86=56, Resulting Numbers: [56] 56,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[67, 161], Operations: ['91-5=86', '75+86=161'] Exploring Operation: 67*161=10787, Resulting Numbers: [10787] 10787,13 unequal: No Solution Exploring Operation: 161-67=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 67+161=228, Resulting Numbers: [228] 228,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 35, 60, 70, 70 ]
12
[ "70/35=2", "70-60=10", "2+10=12" ]
Current State: 12:[35, 60, 70, 70], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [60, 2] Generated Node #2: [60, 2] from Operation: 70/35=2 Current State: 12:[60, 2], Operations: ['70/35=2'] Exploring Operation: 70-60=10, Resulting Numbers: [2, 10] Generated Node #3: [2, 10] from Operation: 70-60=10 Current State: 12:[2, 10], Operations: ['70/35=2', '70-60=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[35, 60, 70, 70], Operations: [] Exploring Operation: 70/70=1, Resulting Numbers: [35, 60, 1] Generated Node #0,0: 12:[35, 60, 1] Operation: 70/70=1 Moving to Node #0,0 Current State: 12:[35, 60, 1], Operations: ['70/70=1'] Exploring Operation: 60-35=25, Resulting Numbers: [1, 25] Generated Node #0,0,0: 12:[1, 25] Operation: 60-35=25 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[1, 25], Operations: ['70/70=1', '60-35=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,12 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
[ 13, 91, 7, 8 ]
57
[ "91/13=7", "7*7=49", "8+49=57" ]
Current State: 57:[13, 91, 7, 8], Operations: [] Exploring Operation: 91/13=7, Resulting Numbers: [7, 8, 7] Generated Node #2: [7, 8, 7] from Operation: 91/13=7 Current State: 57:[7, 8, 7], Operations: ['91/13=7'] Exploring Operation: 7*7=49, Resulting Numbers: [8, 49] Generated Node #3: [8, 49] from Operation: 7*7=49 Current State: 57:[8, 49], Operations: ['91/13=7', '7*7=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[13, 91, 7, 8], Operations: [] Exploring Operation: 91/13=7, Resulting Numbers: [7, 8, 7] Generated Node #0,0: 57:[7, 8, 7] Operation: 91/13=7 Moving to Node #0,0 Current State: 57:[7, 8, 7], Operations: ['91/13=7'] Exploring Operation: 7*8=56, Resulting Numbers: [7, 56] Generated Node #0,0,0: 57:[7, 56] Operation: 7*8=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[7, 56], Operations: ['91/13=7', '7*8=56'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 59, 95, 5, 67 ]
27
[ "67-59=8", "95/5=19", "8+19=27" ]
Current State: 27:[59, 95, 5, 67], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [95, 5, 8] Generated Node #2: [95, 5, 8] from Operation: 67-59=8 Current State: 27:[95, 5, 8], Operations: ['67-59=8'] Exploring Operation: 95/5=19, Resulting Numbers: [8, 19] Generated Node #3: [8, 19] from Operation: 95/5=19 Current State: 27:[8, 19], Operations: ['67-59=8', '95/5=19'] Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[59, 95, 5, 67], Operations: [] Exploring Operation: 95-59=36, Resulting Numbers: [5, 67, 36] Generated Node #0,0: 27:[5, 67, 36] Operation: 95-59=36 Exploring Operation: 95-67=28, Resulting Numbers: [59, 5, 28] Generated Node #0,1: 27:[59, 5, 28] Operation: 95-67=28 Moving to Node #0,1 Current State: 27:[59, 5, 28], Operations: ['95-67=28'] Exploring Operation: 59-28=31, Resulting Numbers: [5, 31] Generated Node #0,1,0: 27:[5, 31] Operation: 59-28=31 Exploring Operation: 59-5=54, Resulting Numbers: [28, 54] Generated Node #0,1,1: 27:[28, 54] Operation: 59-5=54 Moving to Node #0,0 Current State: 27:[5, 67, 36], Operations: ['95-59=36'] Exploring Operation: 67-5=62, Resulting Numbers: [36, 62] Generated Node #0,0,0: 27:[36, 62] Operation: 67-5=62 Exploring Operation: 67-36=31, Resulting Numbers: [5, 31] Generated Node #0,0,1: 27:[5, 31] Operation: 67-36=31 Moving to Node #0,1,0 Current State: 27:[5, 31], Operations: ['95-67=28', '59-28=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[5, 31], Operations: ['95-59=36', '67-36=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[28, 54], Operations: ['95-67=28', '59-5=54'] Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,27 unequal: No Solution Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[36, 62], Operations: ['95-59=36', '67-5=62'] Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,27 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,27 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 91, 45, 50 ]
26
[ "91-60=31", "50-45=5", "31-5=26" ]
Current State: 26:[60, 91, 45, 50], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [45, 50, 31] Generated Node #2: [45, 50, 31] from Operation: 91-60=31 Current State: 26:[45, 50, 31], Operations: ['91-60=31'] Exploring Operation: 50-45=5, Resulting Numbers: [31, 5] Generated Node #3: [31, 5] from Operation: 50-45=5 Current State: 26:[31, 5], Operations: ['91-60=31', '50-45=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[60, 91, 45, 50], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [45, 50, 31] Generated Node #0,0: 26:[45, 50, 31] Operation: 91-60=31 Moving to Node #0,0 Current State: 26:[45, 50, 31], Operations: ['91-60=31'] Exploring Operation: 50-45=5, Resulting Numbers: [31, 5] Generated Node #0,0,0: 26:[31, 5] Operation: 50-45=5 Moving to Node #0,0,0 Current State: 26:[31, 5], Operations: ['91-60=31', '50-45=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[60, 91, 45, 50], Operations: [] Exploring Operation: 91-60=31, Resulting Numbers: [45, 50, 31] Generated Node #0,0: 26:[45, 50, 31] Operation: 91-60=31 Moving to Node #0,0 Current State: 26:[45, 50, 31], Operations: ['91-60=31'] Exploring Operation: 50-45=5, Resulting Numbers: [31, 5] Generated Node #0,0,0: 26:[31, 5] Operation: 50-45=5 Moving to Node #0,0,0 Current State: 26:[31, 5], Operations: ['91-60=31', '50-45=5'] Exploring Operation: 31-5=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 31, 47, 83, 81 ]
32
[ "47-31=16", "83-81=2", "16*2=32" ]
Current State: 32:[31, 47, 83, 81], Operations: [] Exploring Operation: 47-31=16, Resulting Numbers: [83, 81, 16] Generated Node #2: [83, 81, 16] from Operation: 47-31=16 Current State: 32:[83, 81, 16], Operations: ['47-31=16'] Exploring Operation: 83-81=2, Resulting Numbers: [16, 2] Generated Node #3: [16, 2] from Operation: 83-81=2 Current State: 32:[16, 2], Operations: ['47-31=16', '83-81=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[31, 47, 83, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [31, 47, 2] Generated Node #0,0: 32:[31, 47, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[31, 47, 2], Operations: ['83-81=2'] Exploring Operation: 47-31=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 32:[2, 16] Operation: 47-31=16 Moving to Node #0,0,0 Current State: 32:[2, 16], Operations: ['83-81=2', '47-31=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[31, 47, 83, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [31, 47, 2] Generated Node #0,0: 32:[31, 47, 2] Operation: 83-81=2 Moving to Node #0,0 Current State: 32:[31, 47, 2], Operations: ['83-81=2'] Exploring Operation: 47-31=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 32:[2, 16] Operation: 47-31=16 Moving to Node #0,0,0 Current State: 32:[2, 16], Operations: ['83-81=2', '47-31=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 63, 45, 62, 88 ]
82
[ "63+45=108", "88-62=26", "108-26=82" ]
Current State: 82:[63, 45, 62, 88], Operations: [] Exploring Operation: 63+45=108, Resulting Numbers: [62, 88, 108] Generated Node #2: [62, 88, 108] from Operation: 63+45=108 Current State: 82:[62, 88, 108], Operations: ['63+45=108'] Exploring Operation: 88-62=26, Resulting Numbers: [108, 26] Generated Node #3: [108, 26] from Operation: 88-62=26 Current State: 82:[108, 26], Operations: ['63+45=108', '88-62=26'] Exploring Operation: 108-26=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[63, 45, 62, 88], Operations: [] Exploring Operation: 63-62=1, Resulting Numbers: [45, 88, 1] Generated Node #0,0: 82:[45, 88, 1] Operation: 63-62=1 Exploring Operation: 88-63=25, Resulting Numbers: [45, 62, 25] Generated Node #0,1: 82:[45, 62, 25] Operation: 88-63=25 Exploring Operation: 88-62=26, Resulting Numbers: [63, 45, 26] Generated Node #0,2: 82:[63, 45, 26] Operation: 88-62=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[45, 88, 1], Operations: ['63-62=1'] Exploring Operation: 88-1=87, Resulting Numbers: [45, 87] Generated Node #0,0,0: 82:[45, 87] Operation: 88-1=87 Exploring Operation: 88-45=43, Resulting Numbers: [1, 43] Generated Node #0,0,1: 82:[1, 43] Operation: 88-45=43 Exploring Operation: 45-1=44, Resulting Numbers: [88, 44] Generated Node #0,0,2: 82:[88, 44] Operation: 45-1=44 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[1, 43], Operations: ['63-62=1', '88-45=43'] Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,82 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,82 unequal: No Solution No 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: 82:[45, 87], Operations: ['63-62=1', '88-1=87'] Exploring Operation: 45+87=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 87-45=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 45*87=3915, Resulting Numbers: [3915] 3915,82 unequal: No Solution No 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: 82:[88, 44], Operations: ['63-62=1', '45-1=44'] Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 88+44=132, Resulting Numbers: [132] 132,82 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,82 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: 82:[63, 45, 26], Operations: ['88-62=26'] Exploring Operation: 63+26=89, Resulting Numbers: [45, 89] Generated Node #0,2,0: 82:[45, 89] Operation: 63+26=89 Exploring Operation: 45+26=71, Resulting Numbers: [63, 71] Generated Node #0,2,1: 82:[63, 71] Operation: 45+26=71 Exploring Operation: 63-26=37, Resulting Numbers: [45, 37] Generated Node #0,2,2: 82:[45, 37] Operation: 63-26=37 Moving to Node #0,2,2 Current State: 82:[45, 37], Operations: ['88-62=26', '63-26=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[63, 45, 62, 88], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [63, 45, 26] Generated Node #0,2: 82:[63, 45, 26] Operation: 88-62=26 Moving to Node #0,2 Current State: 82:[63, 45, 26], Operations: ['88-62=26'] Exploring Operation: 63-26=37, Resulting Numbers: [45, 37] Generated Node #0,2,2: 82:[45, 37] Operation: 63-26=37 Moving to Node #0,2,2 Current State: 82:[45, 37], Operations: ['88-62=26', '63-26=37'] Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 64, 23, 63, 6 ]
67
[ "63+6=69", "69/23=3", "64+3=67" ]
Current State: 67:[64, 23, 63, 6], Operations: [] Exploring Operation: 63+6=69, Resulting Numbers: [64, 23, 69] Generated Node #2: [64, 23, 69] from Operation: 63+6=69 Current State: 67:[64, 23, 69], Operations: ['63+6=69'] Exploring Operation: 69/23=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 69/23=3 Current State: 67:[64, 3], Operations: ['63+6=69', '69/23=3'] Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[64, 23, 63, 6], Operations: [] Exploring Operation: 23+6=29, Resulting Numbers: [64, 63, 29] Generated Node #0,0: 67:[64, 63, 29] Operation: 23+6=29 Moving to Node #0,0 Current State: 67:[64, 63, 29], Operations: ['23+6=29'] Exploring Operation: 63+29=92, Resulting Numbers: [64, 92] Generated Node #0,0,0: 67:[64, 92] Operation: 63+29=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[64, 92], Operations: ['23+6=29', '63+29=92'] Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,67 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
[ 9, 8, 78, 17 ]
44
[ "9+8=17", "78-17=61", "61-17=44" ]
Current State: 44:[9, 8, 78, 17], Operations: [] Exploring Operation: 9+8=17, Resulting Numbers: [78, 17, 17] Generated Node #2: [78, 17, 17] from Operation: 9+8=17 Current State: 44:[78, 17, 17], Operations: ['9+8=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,44 equal: Goal Reached Exploring Operation: 61-17=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[9, 8, 78, 17], Operations: [] Exploring Operation: 78-17=61, Resulting Numbers: [9, 8, 61] Generated Node #0,0: 44:[9, 8, 61] Operation: 78-17=61 Exploring Operation: 78-9=69, Resulting Numbers: [8, 17, 69] Generated Node #0,1: 44:[8, 17, 69] Operation: 78-9=69 Exploring Operation: 78-8=70, Resulting Numbers: [9, 17, 70] Generated Node #0,2: 44:[9, 17, 70] Operation: 78-8=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[9, 8, 61], Operations: ['78-17=61'] Exploring Operation: 9-8=1, Resulting Numbers: [61, 1] Generated Node #0,0,0: 44:[61, 1] Operation: 9-8=1 Exploring Operation: 61-9=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 44:[8, 52] Operation: 61-9=52 Exploring Operation: 61-8=53, Resulting Numbers: [9, 53] Generated Node #0,0,2: 44:[9, 53] Operation: 61-8=53 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[8, 52], Operations: ['78-17=61', '61-9=52'] Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,44 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[9, 8, 78, 17], Operations: [] Exploring Operation: 78-17=61, Resulting Numbers: [9, 8, 61] Generated Node #0,0: 44:[9, 8, 61] Operation: 78-17=61 Moving to Node #0,0 Current State: 44:[9, 8, 61], Operations: ['78-17=61'] Exploring Operation: 61-9=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 44:[8, 52] Operation: 61-9=52 Moving to Node #0,0,1 Current State: 44:[8, 52], Operations: ['78-17=61', '61-9=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 73, 71, 62, 40 ]
100
[ "73-71=2", "62+40=102", "102-2=100" ]
Current State: 100:[73, 71, 62, 40], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [62, 40, 2] Generated Node #2: [62, 40, 2] from Operation: 73-71=2 Current State: 100:[62, 40, 2], Operations: ['73-71=2'] Exploring Operation: 62+40=102, Resulting Numbers: [2, 102] Generated Node #3: [2, 102] from Operation: 62+40=102 Current State: 100:[2, 102], Operations: ['73-71=2', '62+40=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[73, 71, 62, 40], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [71, 40, 11] Generated Node #0,0: 100:[71, 40, 11] Operation: 73-62=11 Exploring Operation: 73-71=2, Resulting Numbers: [62, 40, 2] Generated Node #0,1: 100:[62, 40, 2] Operation: 73-71=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[62, 40, 2], Operations: ['73-71=2'] Exploring Operation: 62-40=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 100:[2, 22] Operation: 62-40=22 Exploring Operation: 62+40=102, Resulting Numbers: [2, 102] Generated Node #0,1,1: 100:[2, 102] Operation: 62+40=102 Moving to Node #0,1,0 Current State: 100:[2, 22], Operations: ['73-71=2', '62-40=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[2, 102], Operations: ['73-71=2', '62+40=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[73, 71, 62, 40], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [62, 40, 2] Generated Node #0,1: 100:[62, 40, 2] Operation: 73-71=2 Moving to Node #0,1 Current State: 100:[62, 40, 2], Operations: ['73-71=2'] Exploring Operation: 62+40=102, Resulting Numbers: [2, 102] Generated Node #0,1,1: 100:[2, 102] Operation: 62+40=102 Moving to Node #0,1,1 Current State: 100:[2, 102], Operations: ['73-71=2', '62+40=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 16, 10, 74, 74 ]
16
[ "74-74=0", "10*0=0", "16+0=16" ]
Current State: 16:[16, 10, 74, 74], Operations: [] Exploring Operation: 74-74=0, Resulting Numbers: [16, 10, 0] Generated Node #2: [16, 10, 0] from Operation: 74-74=0 Current State: 16:[16, 10, 0], Operations: ['74-74=0'] Exploring Operation: 10*0=0, Resulting Numbers: [16, 0] Generated Node #3: [16, 0] from Operation: 10*0=0 Current State: 16:[16, 0], Operations: ['74-74=0', '10*0=0'] Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[16, 10, 74, 74], Operations: [] Exploring Operation: 74-74=0, Resulting Numbers: [16, 10, 0] Generated Node #0,0: 16:[16, 10, 0] Operation: 74-74=0 Exploring Operation: 74/74=1, Resulting Numbers: [16, 10, 1] Generated Node #0,1: 16:[16, 10, 1] Operation: 74/74=1 Exploring Operation: 74-16=58, Resulting Numbers: [10, 74, 58] Generated Node #0,2: 16:[10, 74, 58] Operation: 74-16=58 Moving to Node #0,1 Current State: 16:[16, 10, 1], Operations: ['74/74=1'] Exploring Operation: 10-1=9, Resulting Numbers: [16, 9] Generated Node #0,1,0: 16:[16, 9] Operation: 10-1=9 Exploring Operation: 16/1=16, Resulting Numbers: [10, 16] Generated Node #0,1,1: 16:[10, 16] Operation: 16/1=16 Exploring Operation: 16*1=16, Resulting Numbers: [10, 16] Generated Node #0,1,2: 16:[10, 16] Operation: 16*1=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[16, 9], Operations: ['74/74=1', '10-1=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[10, 16], Operations: ['74/74=1', '16/1=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[10, 16], Operations: ['74/74=1', '16*1=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,16 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 16:[16, 10, 0], Operations: ['74-74=0'] Exploring Operation: 16+0=16, Resulting Numbers: [10, 16] Generated Node #0,0,0: 16:[10, 16] Operation: 16+0=16 Exploring Operation: 10+0=10, Resulting Numbers: [16, 10] Generated Node #0,0,1: 16:[16, 10] Operation: 10+0=10 Exploring Operation: 16-0=16, Resulting Numbers: [10, 16] Generated Node #0,0,2: 16:[10, 16] Operation: 16-0=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[10, 16], Operations: ['74-74=0', '16+0=16'] Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,16 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[16, 10], Operations: ['74-74=0', '10+0=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[10, 16], Operations: ['74-74=0', '16-0=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,16 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 16:[10, 74, 58], Operations: ['74-16=58'] Exploring Operation: 74-10=64, Resulting Numbers: [58, 64] Generated Node #0,2,0: 16:[58, 64] Operation: 74-10=64 Exploring Operation: 58-10=48, Resulting Numbers: [74, 48] Generated Node #0,2,1: 16:[74, 48] Operation: 58-10=48 Exploring Operation: 74-58=16, Resulting Numbers: [10, 16] Generated Node #0,2,2: 16:[10, 16] Operation: 74-58=16 Moving to Node #0,2,2 Current State: 16:[10, 16], Operations: ['74-16=58', '74-58=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,16 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[58, 64], Operations: ['74-16=58', '74-10=64'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 58+64=122, Resulting Numbers: [122] 122,16 unequal: No Solution Exploring Operation: 58*64=3712, Resulting Numbers: [3712] 3712,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[74, 48], Operations: ['74-16=58', '58-10=48'] Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,16 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,16 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,16 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 26, 33, 17, 52 ]
62
[ "33-26=7", "17+52=69", "69-7=62" ]
Current State: 62:[26, 33, 17, 52], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [17, 52, 7] Generated Node #2: [17, 52, 7] from Operation: 33-26=7 Current State: 62:[17, 52, 7], Operations: ['33-26=7'] Exploring Operation: 17+52=69, Resulting Numbers: [7, 69] Generated Node #3: [7, 69] from Operation: 17+52=69 Current State: 62:[7, 69], Operations: ['33-26=7', '17+52=69'] Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[26, 33, 17, 52], Operations: [] Exploring Operation: 17+52=69, Resulting Numbers: [26, 33, 69] Generated Node #0,0: 62:[26, 33, 69] Operation: 17+52=69 Exploring Operation: 52-17=35, Resulting Numbers: [26, 33, 35] Generated Node #0,1: 62:[26, 33, 35] Operation: 52-17=35 Exploring Operation: 52/26=2, Resulting Numbers: [33, 17, 2] Generated Node #0,2: 62:[33, 17, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[26, 33, 35], Operations: ['52-17=35'] Exploring Operation: 26+35=61, Resulting Numbers: [33, 61] Generated Node #0,1,0: 62:[33, 61] Operation: 26+35=61 Exploring Operation: 35-33=2, Resulting Numbers: [26, 2] Generated Node #0,1,1: 62:[26, 2] Operation: 35-33=2 Exploring Operation: 26+33=59, Resulting Numbers: [35, 59] Generated Node #0,1,2: 62:[35, 59] Operation: 26+33=59 Moving to Node #0,1,0 Current State: 62:[33, 61], Operations: ['52-17=35', '26+35=61'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,62 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[26, 2], Operations: ['52-17=35', '35-33=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[35, 59], Operations: ['52-17=35', '26+33=59'] Exploring Operation: 35+59=94, Resulting Numbers: [94] 94,62 unequal: No Solution Exploring Operation: 35*59=2065, Resulting Numbers: [2065] 2065,62 unequal: No Solution Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,62 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 #0,0 Current State: 62:[26, 33, 69], Operations: ['17+52=69'] Exploring Operation: 26+33=59, Resulting Numbers: [69, 59] Generated Node #0,0,0: 62:[69, 59] Operation: 26+33=59 Exploring Operation: 33-26=7, Resulting Numbers: [69, 7] Generated Node #0,0,1: 62:[69, 7] Operation: 33-26=7 Exploring Operation: 69-33=36, Resulting Numbers: [26, 36] Generated Node #0,0,2: 62:[26, 36] Operation: 69-33=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[69, 59], Operations: ['17+52=69', '26+33=59'] Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,62 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,62 unequal: No Solution No 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: 62:[26, 36], Operations: ['17+52=69', '69-33=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,62 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[26, 33, 17, 52], Operations: [] Exploring Operation: 17+52=69, Resulting Numbers: [26, 33, 69] Generated Node #0,0: 62:[26, 33, 69] Operation: 17+52=69 Moving to Node #0,0 Current State: 62:[26, 33, 69], Operations: ['17+52=69'] Exploring Operation: 69-33=36, Resulting Numbers: [26, 36] Generated Node #0,0,2: 62:[26, 36] Operation: 69-33=36 Moving to Node #0,0,2 Current State: 62:[26, 36], Operations: ['17+52=69', '69-33=36'] Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 97, 57, 43, 30 ]
33
[ "97-57=40", "43+30=73", "73-40=33" ]
Current State: 33:[97, 57, 43, 30], Operations: [] Exploring Operation: 97-57=40, Resulting Numbers: [43, 30, 40] Generated Node #2: [43, 30, 40] from Operation: 97-57=40 Current State: 33:[43, 30, 40], Operations: ['97-57=40'] Exploring Operation: 43+30=73, Resulting Numbers: [40, 73] Generated Node #3: [40, 73] from Operation: 43+30=73 Current State: 33:[40, 73], Operations: ['97-57=40', '43+30=73'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[97, 57, 43, 30], Operations: [] Exploring Operation: 97-57=40, Resulting Numbers: [43, 30, 40] Generated Node #0,0: 33:[43, 30, 40] Operation: 97-57=40 Exploring Operation: 97-43=54, Resulting Numbers: [57, 30, 54] Generated Node #0,1: 33:[57, 30, 54] Operation: 97-43=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[43, 30, 40], Operations: ['97-57=40'] Exploring Operation: 43-40=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 33:[30, 3] Operation: 43-40=3 Exploring Operation: 43-30=13, Resulting Numbers: [40, 13] Generated Node #0,0,1: 33:[40, 13] Operation: 43-30=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[30, 3], Operations: ['97-57=40', '43-40=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[97, 57, 43, 30], Operations: [] Exploring Operation: 97-57=40, Resulting Numbers: [43, 30, 40] Generated Node #0,0: 33:[43, 30, 40] Operation: 97-57=40 Moving to Node #0,0 Current State: 33:[43, 30, 40], Operations: ['97-57=40'] Exploring Operation: 43-40=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 33:[30, 3] Operation: 43-40=3 Moving to Node #0,0,0 Current State: 33:[30, 3], Operations: ['97-57=40', '43-40=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 91, 58, 31, 50 ]
25
[ "91-58=33", "33-31=2", "50/2=25" ]
Current State: 25:[91, 58, 31, 50], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [31, 50, 33] Generated Node #2: [31, 50, 33] from Operation: 91-58=33 Current State: 25:[31, 50, 33], Operations: ['91-58=33'] Exploring Operation: 33-31=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 33-31=2 Current State: 25:[50, 2], Operations: ['91-58=33', '33-31=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[91, 58, 31, 50], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [91, 31, 8] Generated Node #0,0: 25:[91, 31, 8] Operation: 58-50=8 Exploring Operation: 91-58=33, Resulting Numbers: [31, 50, 33] Generated Node #0,1: 25:[31, 50, 33] Operation: 91-58=33 Exploring Operation: 91-50=41, Resulting Numbers: [58, 31, 41] Generated Node #0,2: 25:[58, 31, 41] Operation: 91-50=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[31, 50, 33], Operations: ['91-58=33'] Exploring Operation: 50-33=17, Resulting Numbers: [31, 17] Generated Node #0,1,0: 25:[31, 17] Operation: 50-33=17 Exploring Operation: 33-31=2, Resulting Numbers: [50, 2] Generated Node #0,1,1: 25:[50, 2] Operation: 33-31=2 Exploring Operation: 50-31=19, Resulting Numbers: [33, 19] Generated Node #0,1,2: 25:[33, 19] Operation: 50-31=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[31, 17], Operations: ['91-58=33', '50-33=17'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,25 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[33, 19], Operations: ['91-58=33', '50-31=19'] Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,25 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[50, 2], Operations: ['91-58=33', '33-31=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[91, 58, 31, 50], Operations: [] Exploring Operation: 91-58=33, Resulting Numbers: [31, 50, 33] Generated Node #0,1: 25:[31, 50, 33] Operation: 91-58=33 Moving to Node #0,1 Current State: 25:[31, 50, 33], Operations: ['91-58=33'] Exploring Operation: 33-31=2, Resulting Numbers: [50, 2] Generated Node #0,1,1: 25:[50, 2] Operation: 33-31=2 Moving to Node #0,1,1 Current State: 25:[50, 2], Operations: ['91-58=33', '33-31=2'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 33, 3, 95, 81 ]
16
[ "33-3=30", "95-81=14", "30-14=16" ]
Current State: 16:[33, 3, 95, 81], Operations: [] Exploring Operation: 33-3=30, Resulting Numbers: [95, 81, 30] Generated Node #2: [95, 81, 30] from Operation: 33-3=30 Current State: 16:[95, 81, 30], Operations: ['33-3=30'] Exploring Operation: 95-81=14, Resulting Numbers: [30, 14] Generated Node #3: [30, 14] from Operation: 95-81=14 Current State: 16:[30, 14], Operations: ['33-3=30', '95-81=14'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[33, 3, 95, 81], Operations: [] Exploring Operation: 95-33=62, Resulting Numbers: [3, 81, 62] Generated Node #0,0: 16:[3, 81, 62] Operation: 95-33=62 Exploring Operation: 95-81=14, Resulting Numbers: [33, 3, 14] Generated Node #0,1: 16:[33, 3, 14] Operation: 95-81=14 Exploring Operation: 81/3=27, Resulting Numbers: [33, 95, 27] Generated Node #0,2: 16:[33, 95, 27] Operation: 81/3=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[33, 3, 14], Operations: ['95-81=14'] Exploring Operation: 33-3=30, Resulting Numbers: [14, 30] Generated Node #0,1,0: 16:[14, 30] Operation: 33-3=30 Exploring Operation: 33-14=19, Resulting Numbers: [3, 19] Generated Node #0,1,1: 16:[3, 19] Operation: 33-14=19 Exploring Operation: 33/3=11, Resulting Numbers: [14, 11] Generated Node #0,1,2: 16:[14, 11] Operation: 33/3=11 Moving to Node #0,1,1 Current State: 16:[3, 19], Operations: ['95-81=14', '33-14=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,16 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[33, 3, 95, 81], Operations: [] Exploring Operation: 95-81=14, Resulting Numbers: [33, 3, 14] Generated Node #0,1: 16:[33, 3, 14] Operation: 95-81=14 Moving to Node #0,1 Current State: 16:[33, 3, 14], Operations: ['95-81=14'] Exploring Operation: 33-14=19, Resulting Numbers: [3, 19] Generated Node #0,1,1: 16:[3, 19] Operation: 33-14=19 Moving to Node #0,1,1 Current State: 16:[3, 19], Operations: ['95-81=14', '33-14=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 21, 23, 16, 27 ]
26
[ "21+27=48", "48/16=3", "23+3=26" ]
Current State: 26:[21, 23, 16, 27], Operations: [] Exploring Operation: 21+27=48, Resulting Numbers: [23, 16, 48] Generated Node #2: [23, 16, 48] from Operation: 21+27=48 Current State: 26:[23, 16, 48], Operations: ['21+27=48'] Exploring Operation: 48/16=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 48/16=3 Current State: 26:[23, 3], Operations: ['21+27=48', '48/16=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[21, 23, 16, 27], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [16, 27, 2] Generated Node #0,0: 26:[16, 27, 2] Operation: 23-21=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[16, 27, 2], Operations: ['23-21=2'] Exploring Operation: 27-16=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 26:[2, 11] Operation: 27-16=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[2, 11], Operations: ['23-21=2', '27-16=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 14, 3, 5 ]
88
[ "72+14=86", "5-3=2", "86+2=88" ]
Current State: 88:[72, 14, 3, 5], Operations: [] Exploring Operation: 72+14=86, Resulting Numbers: [3, 5, 86] Generated Node #2: [3, 5, 86] from Operation: 72+14=86 Current State: 88:[3, 5, 86], Operations: ['72+14=86'] Exploring Operation: 5-3=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 5-3=2 Current State: 88:[86, 2], Operations: ['72+14=86', '5-3=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[72, 14, 3, 5], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [14, 5, 24] Generated Node #0,0: 88:[14, 5, 24] Operation: 72/3=24 Exploring Operation: 72+5=77, Resulting Numbers: [14, 3, 77] Generated Node #0,1: 88:[14, 3, 77] Operation: 72+5=77 Exploring Operation: 72-14=58, Resulting Numbers: [3, 5, 58] Generated Node #0,2: 88:[3, 5, 58] Operation: 72-14=58 Exploring Operation: 72+14=86, Resulting Numbers: [3, 5, 86] Generated Node #0,3: 88:[3, 5, 86] Operation: 72+14=86 Moving to Node #0,3 Current State: 88:[3, 5, 86], Operations: ['72+14=86'] Exploring Operation: 3+86=89, Resulting Numbers: [5, 89] Generated Node #0,3,0: 88:[5, 89] Operation: 3+86=89 Exploring Operation: 3+5=8, Resulting Numbers: [86, 8] Generated Node #0,3,1: 88:[86, 8] Operation: 3+5=8 Exploring Operation: 5-3=2, Resulting Numbers: [86, 2] Generated Node #0,3,2: 88:[86, 2] Operation: 5-3=2 Exploring Operation: 5+86=91, Resulting Numbers: [3, 91] Generated Node #0,3,3: 88:[3, 91] Operation: 5+86=91 Moving to Node #0,0 Current State: 88:[14, 5, 24], Operations: ['72/3=24'] Exploring Operation: 14+5=19, Resulting Numbers: [24, 19] Generated Node #0,0,0: 88:[24, 19] Operation: 14+5=19 Exploring Operation: 14-5=9, Resulting Numbers: [24, 9] Generated Node #0,0,1: 88:[24, 9] Operation: 14-5=9 Exploring Operation: 24-5=19, Resulting Numbers: [14, 19] Generated Node #0,0,2: 88:[14, 19] Operation: 24-5=19 Exploring Operation: 24-14=10, Resulting Numbers: [5, 10] Generated Node #0,0,3: 88:[5, 10] Operation: 24-14=10 Moving to Node #0,1 Current State: 88:[14, 3, 77], Operations: ['72+5=77'] Exploring Operation: 3+77=80, Resulting Numbers: [14, 80] Generated Node #0,1,0: 88:[14, 80] Operation: 3+77=80 Exploring Operation: 14*3=42, Resulting Numbers: [77, 42] Generated Node #0,1,1: 88:[77, 42] Operation: 14*3=42 Exploring Operation: 14-3=11, Resulting Numbers: [77, 11] Generated Node #0,1,2: 88:[77, 11] Operation: 14-3=11 Exploring Operation: 14+77=91, Resulting Numbers: [3, 91] Generated Node #0,1,3: 88:[3, 91] Operation: 14+77=91 Moving to Node #0,2 Current State: 88:[3, 5, 58], Operations: ['72-14=58'] Exploring Operation: 5-3=2, Resulting Numbers: [58, 2] Generated Node #0,2,0: 88:[58, 2] Operation: 5-3=2 Exploring Operation: 58-3=55, Resulting Numbers: [5, 55] Generated Node #0,2,1: 88:[5, 55] Operation: 58-3=55 Exploring Operation: 3+5=8, Resulting Numbers: [58, 8] Generated Node #0,2,2: 88:[58, 8] Operation: 3+5=8 Exploring Operation: 58-5=53, Resulting Numbers: [3, 53] Generated Node #0,2,3: 88:[3, 53] Operation: 58-5=53 Moving to Node #0,3,0 Current State: 88:[5, 89], Operations: ['72+14=86', '3+86=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,88 unequal: No Solution Exploring Operation: 5*89=445, Resulting Numbers: [445] 445,88 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[86, 2], Operations: ['72+14=86', '5-3=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[72, 14, 3, 5], Operations: [] Exploring Operation: 72+14=86, Resulting Numbers: [3, 5, 86] Generated Node #0,3: 88:[3, 5, 86] Operation: 72+14=86 Moving to Node #0,3 Current State: 88:[3, 5, 86], Operations: ['72+14=86'] Exploring Operation: 5-3=2, Resulting Numbers: [86, 2] Generated Node #0,3,2: 88:[86, 2] Operation: 5-3=2 Moving to Node #0,3,2 Current State: 88:[86, 2], Operations: ['72+14=86', '5-3=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.974826
hs_4
sum_heuristic
[ 9, 49, 53, 34 ]
100
[ "34-9=25", "53-49=4", "25*4=100" ]
Current State: 100:[9, 49, 53, 34], Operations: [] Exploring Operation: 34-9=25, Resulting Numbers: [49, 53, 25] Generated Node #2: [49, 53, 25] from Operation: 34-9=25 Current State: 100:[49, 53, 25], Operations: ['34-9=25'] Exploring Operation: 53-49=4, Resulting Numbers: [25, 4] Generated Node #3: [25, 4] from Operation: 53-49=4 Current State: 100:[25, 4], Operations: ['34-9=25', '53-49=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[9, 49, 53, 34], Operations: [] Exploring Operation: 34-9=25, Resulting Numbers: [49, 53, 25] Generated Node #0,0: 100:[49, 53, 25] Operation: 34-9=25 Exploring Operation: 53-34=19, Resulting Numbers: [9, 49, 19] Generated Node #0,1: 100:[9, 49, 19] Operation: 53-34=19 Exploring Operation: 49-34=15, Resulting Numbers: [9, 53, 15] Generated Node #0,2: 100:[9, 53, 15] Operation: 49-34=15 Moving to Node #0,1 Current State: 100:[9, 49, 19], Operations: ['53-34=19'] Exploring Operation: 19-9=10, Resulting Numbers: [49, 10] Generated Node #0,1,0: 100:[49, 10] Operation: 19-9=10 Exploring Operation: 9+19=28, Resulting Numbers: [49, 28] Generated Node #0,1,1: 100:[49, 28] Operation: 9+19=28 Exploring Operation: 49-19=30, Resulting Numbers: [9, 30] Generated Node #0,1,2: 100:[9, 30] Operation: 49-19=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[49, 10], Operations: ['53-34=19', '19-9=10'] Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,100 unequal: No Solution Exploring Operation: 49*10=490, Resulting Numbers: [490] 490,100 unequal: No Solution No 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: 100:[49, 28], Operations: ['53-34=19', '9+19=28'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,100 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,100 unequal: No Solution Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,100 unequal: No Solution No 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: 100:[9, 30], Operations: ['53-34=19', '49-19=30'] Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,100 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,100 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: 100:[49, 53, 25], Operations: ['34-9=25'] Exploring Operation: 53-49=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 53-49=4 Exploring Operation: 49-25=24, Resulting Numbers: [53, 24] Generated Node #0,0,1: 100:[53, 24] Operation: 49-25=24 Exploring Operation: 49+53=102, Resulting Numbers: [25, 102] Generated Node #0,0,2: 100:[25, 102] Operation: 49+53=102 Moving to Node #0,2 Current State: 100:[9, 53, 15], Operations: ['49-34=15'] Exploring Operation: 9+15=24, Resulting Numbers: [53, 24] Generated Node #0,2,0: 100:[53, 24] Operation: 9+15=24 Exploring Operation: 53-9=44, Resulting Numbers: [15, 44] Generated Node #0,2,1: 100:[15, 44] Operation: 53-9=44 Exploring Operation: 15-9=6, Resulting Numbers: [53, 6] Generated Node #0,2,2: 100:[53, 6] Operation: 15-9=6 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['34-9=25', '53-49=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[9, 49, 53, 34], Operations: [] Exploring Operation: 34-9=25, Resulting Numbers: [49, 53, 25] Generated Node #0,0: 100:[49, 53, 25] Operation: 34-9=25 Moving to Node #0,0 Current State: 100:[49, 53, 25], Operations: ['34-9=25'] Exploring Operation: 53-49=4, Resulting Numbers: [25, 4] Generated Node #0,0,0: 100:[25, 4] Operation: 53-49=4 Moving to Node #0,0,0 Current State: 100:[25, 4], Operations: ['34-9=25', '53-49=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 40, 28, 88, 38 ]
62
[ "40-28=12", "88-38=50", "12+50=62" ]
Current State: 62:[40, 28, 88, 38], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [88, 38, 12] Generated Node #2: [88, 38, 12] from Operation: 40-28=12 Current State: 62:[88, 38, 12], Operations: ['40-28=12'] Exploring Operation: 88-38=50, Resulting Numbers: [12, 50] Generated Node #3: [12, 50] from Operation: 88-38=50 Current State: 62:[12, 50], Operations: ['40-28=12', '88-38=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[40, 28, 88, 38], Operations: [] Exploring Operation: 88-28=60, Resulting Numbers: [40, 38, 60] Generated Node #0,0: 62:[40, 38, 60] Operation: 88-28=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[40, 38, 60], Operations: ['88-28=60'] Exploring Operation: 40-38=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 62:[60, 2] Operation: 40-38=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[60, 2], Operations: ['88-28=60', '40-38=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[40, 28, 88, 38], Operations: [] Exploring Operation: 88-28=60, Resulting Numbers: [40, 38, 60] Generated Node #0,0: 62:[40, 38, 60] Operation: 88-28=60 Moving to Node #0,0 Current State: 62:[40, 38, 60], Operations: ['88-28=60'] Exploring Operation: 40-38=2, Resulting Numbers: [60, 2] Generated Node #0,0,0: 62:[60, 2] Operation: 40-38=2 Moving to Node #0,0,0 Current State: 62:[60, 2], Operations: ['88-28=60', '40-38=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 45, 65, 77, 33 ]
64
[ "65-45=20", "77-33=44", "20+44=64" ]
Current State: 64:[45, 65, 77, 33], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [77, 33, 20] Generated Node #2: [77, 33, 20] from Operation: 65-45=20 Current State: 64:[77, 33, 20], Operations: ['65-45=20'] Exploring Operation: 77-33=44, Resulting Numbers: [20, 44] Generated Node #3: [20, 44] from Operation: 77-33=44 Current State: 64:[20, 44], Operations: ['65-45=20', '77-33=44'] Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[45, 65, 77, 33], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [65, 77, 12] Generated Node #0,0: 64:[65, 77, 12] Operation: 45-33=12 Exploring Operation: 65-45=20, Resulting Numbers: [77, 33, 20] Generated Node #0,1: 64:[77, 33, 20] Operation: 65-45=20 Exploring Operation: 77-45=32, Resulting Numbers: [65, 33, 32] Generated Node #0,2: 64:[65, 33, 32] Operation: 77-45=32 Moving to Node #0,2 Current State: 64:[65, 33, 32], Operations: ['77-45=32'] Exploring Operation: 65-33=32, Resulting Numbers: [32, 32] Generated Node #0,2,0: 64:[32, 32] Operation: 65-33=32 Exploring Operation: 33+32=65, Resulting Numbers: [65, 65] Generated Node #0,2,1: 64:[65, 65] Operation: 33+32=65 Exploring Operation: 65-32=33, Resulting Numbers: [33, 33] Generated Node #0,2,2: 64:[33, 33] Operation: 65-32=33 Moving to Node #0,0 Current State: 64:[65, 77, 12], Operations: ['45-33=12'] Exploring Operation: 77-65=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 64:[12, 12] Operation: 77-65=12 Exploring Operation: 77-12=65, Resulting Numbers: [65, 65] Generated Node #0,0,1: 64:[65, 65] Operation: 77-12=65 Exploring Operation: 65-12=53, Resulting Numbers: [77, 53] Generated Node #0,0,2: 64:[77, 53] Operation: 65-12=53 Moving to Node #0,1 Current State: 64:[77, 33, 20], Operations: ['65-45=20'] Exploring Operation: 77-20=57, Resulting Numbers: [33, 57] Generated Node #0,1,0: 64:[33, 57] Operation: 77-20=57 Exploring Operation: 77-33=44, Resulting Numbers: [20, 44] Generated Node #0,1,1: 64:[20, 44] Operation: 77-33=44 Exploring Operation: 33-20=13, Resulting Numbers: [77, 13] Generated Node #0,1,2: 64:[77, 13] Operation: 33-20=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[33, 57], Operations: ['65-45=20', '77-20=57'] Exploring Operation: 33*57=1881, Resulting Numbers: [1881] 1881,64 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[20, 44], Operations: ['65-45=20', '77-33=44'] Exploring Operation: 20*44=880, Resulting Numbers: [880] 880,64 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[45, 65, 77, 33], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [77, 33, 20] Generated Node #0,1: 64:[77, 33, 20] Operation: 65-45=20 Moving to Node #0,1 Current State: 64:[77, 33, 20], Operations: ['65-45=20'] Exploring Operation: 77-33=44, Resulting Numbers: [20, 44] Generated Node #0,1,1: 64:[20, 44] Operation: 77-33=44 Moving to Node #0,1,1 Current State: 64:[20, 44], Operations: ['65-45=20', '77-33=44'] Exploring Operation: 20+44=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
mult_heuristic
[ 40, 9, 91, 5 ]
28
[ "40+9=49", "91+49=140", "140/5=28" ]
Current State: 28:[40, 9, 91, 5], Operations: [] Exploring Operation: 40+9=49, Resulting Numbers: [91, 5, 49] Generated Node #2: [91, 5, 49] from Operation: 40+9=49 Current State: 28:[91, 5, 49], Operations: ['40+9=49'] Exploring Operation: 91+49=140, Resulting Numbers: [5, 140] Generated Node #3: [5, 140] from Operation: 91+49=140 Current State: 28:[5, 140], Operations: ['40+9=49', '91+49=140'] Exploring Operation: 140/5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[40, 9, 91, 5], Operations: [] Exploring Operation: 91-9=82, Resulting Numbers: [40, 5, 82] Generated Node #0,0: 28:[40, 5, 82] Operation: 91-9=82 Exploring Operation: 91-40=51, Resulting Numbers: [9, 5, 51] Generated Node #0,1: 28:[9, 5, 51] Operation: 91-40=51 Exploring Operation: 40/5=8, Resulting Numbers: [9, 91, 8] Generated Node #0,2: 28:[9, 91, 8] Operation: 40/5=8 Exploring Operation: 40-9=31, Resulting Numbers: [91, 5, 31] Generated Node #0,3: 28:[91, 5, 31] Operation: 40-9=31 Moving to Node #0,1 Current State: 28:[9, 5, 51], Operations: ['91-40=51'] Exploring Operation: 51-9=42, Resulting Numbers: [5, 42] Generated Node #0,1,0: 28:[5, 42] Operation: 51-9=42 Exploring Operation: 51-5=46, Resulting Numbers: [9, 46] Generated Node #0,1,1: 28:[9, 46] Operation: 51-5=46 Exploring Operation: 9-5=4, Resulting Numbers: [51, 4] Generated Node #0,1,2: 28:[51, 4] Operation: 9-5=4 Exploring Operation: 9+5=14, Resulting Numbers: [51, 14] Generated Node #0,1,3: 28:[51, 14] Operation: 9+5=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[5, 42], Operations: ['91-40=51', '51-9=42'] Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[9, 46], Operations: ['91-40=51', '51-5=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[51, 4], Operations: ['91-40=51', '9-5=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,28 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 28:[51, 14], Operations: ['91-40=51', '9+5=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 28:[9, 91, 8], Operations: ['40/5=8'] Exploring Operation: 9-8=1, Resulting Numbers: [91, 1] Generated Node #0,2,0: 28:[91, 1] Operation: 9-8=1 Exploring Operation: 91-9=82, Resulting Numbers: [8, 82] Generated Node #0,2,1: 28:[8, 82] Operation: 91-9=82 Exploring Operation: 9+8=17, Resulting Numbers: [91, 17] Generated Node #0,2,2: 28:[91, 17] Operation: 9+8=17 Exploring Operation: 91-8=83, Resulting Numbers: [9, 83] Generated Node #0,2,3: 28:[9, 83] Operation: 91-8=83 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[8, 82], Operations: ['40/5=8', '91-9=82'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,28 unequal: No Solution Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[9, 83], Operations: ['40/5=8', '91-8=83'] Exploring Operation: 9+83=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 9*83=747, Resulting Numbers: [747] 747,28 unequal: No Solution Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[91, 1], Operations: ['40/5=8', '9-8=1'] Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,28 unequal: No Solution Exploring Operation: 91*1=91, Resulting Numbers: [91] 91,28 unequal: No Solution Exploring Operation: 91+1=92, Resulting Numbers: [92] 92,28 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[91, 17], Operations: ['40/5=8', '9+8=17'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 91*17=1547, Resulting Numbers: [1547] 1547,28 unequal: No Solution Exploring Operation: 91+17=108, Resulting Numbers: [108] 108,28 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: 28:[91, 5, 31], Operations: ['40-9=31'] Exploring Operation: 31-5=26, Resulting Numbers: [91, 26] Generated Node #0,3,0: 28:[91, 26] Operation: 31-5=26 Exploring Operation: 91-5=86, Resulting Numbers: [31, 86] Generated Node #0,3,1: 28:[31, 86] Operation: 91-5=86 Exploring Operation: 91+5=96, Resulting Numbers: [31, 96] Generated Node #0,3,2: 28:[31, 96] Operation: 91+5=96 Exploring Operation: 91-31=60, Resulting Numbers: [5, 60] Generated Node #0,3,3: 28:[5, 60] Operation: 91-31=60 Moving to Node #0,0 Current State: 28:[40, 5, 82], Operations: ['91-9=82'] Exploring Operation: 40/5=8, Resulting Numbers: [82, 8] Generated Node #0,0,0: 28:[82, 8] Operation: 40/5=8 Exploring Operation: 82-40=42, Resulting Numbers: [5, 42] Generated Node #0,0,1: 28:[5, 42] Operation: 82-40=42 Exploring Operation: 82-5=77, Resulting Numbers: [40, 77] Generated Node #0,0,2: 28:[40, 77] Operation: 82-5=77 Exploring Operation: 40-5=35, Resulting Numbers: [82, 35] Generated Node #0,0,3: 28:[82, 35] Operation: 40-5=35 Moving to Node #0,0,1 Current State: 28:[5, 42], Operations: ['91-9=82', '82-40=42'] Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,28 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,28 unequal: No Solution Moving to Node #0,3,3 Current State: 28:[5, 60], Operations: ['40-9=31', '91-31=60'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,28 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[82, 8], Operations: ['91-9=82', '40/5=8'] Exploring Operation: 82+8=90, Resulting Numbers: [90] 90,28 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,28 unequal: No Solution Exploring Operation: 82*8=656, Resulting Numbers: [656] 656,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[40, 77], Operations: ['91-9=82', '82-5=77'] Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,28 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,28 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,28 unequal: No Solution Moving to Node #0,3,1 Current State: 28:[31, 86], Operations: ['40-9=31', '91-5=86'] Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,28 unequal: No Solution Exploring Operation: 31+86=117, Resulting Numbers: [117] 117,28 unequal: No Solution Exploring Operation: 31*86=2666, Resulting Numbers: [2666] 2666,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[82, 35], Operations: ['91-9=82', '40-5=35'] Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,28 unequal: No Solution Exploring Operation: 82+35=117, Resulting Numbers: [117] 117,28 unequal: No Solution Exploring Operation: 82*35=2870, Resulting Numbers: [2870] 2870,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[91, 26], Operations: ['40-9=31', '31-5=26'] Exploring Operation: 91*26=2366, Resulting Numbers: [2366] 2366,28 unequal: No Solution Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,28 unequal: No Solution Exploring Operation: 91+26=117, Resulting Numbers: [117] 117,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[31, 96], Operations: ['40-9=31', '91+5=96'] Exploring Operation: 31*96=2976, Resulting Numbers: [2976] 2976,28 unequal: No Solution Exploring Operation: 31+96=127, Resulting Numbers: [127] 127,28 unequal: No Solution Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,28 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 77, 24, 30, 62 ]
90
[ "77-62=15", "30-24=6", "15*6=90" ]
Current State: 90:[77, 24, 30, 62], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [24, 30, 15] Generated Node #2: [24, 30, 15] from Operation: 77-62=15 Current State: 90:[24, 30, 15], Operations: ['77-62=15'] Exploring Operation: 30-24=6, Resulting Numbers: [15, 6] Generated Node #3: [15, 6] from Operation: 30-24=6 Current State: 90:[15, 6], Operations: ['77-62=15', '30-24=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[77, 24, 30, 62], Operations: [] Exploring Operation: 62-24=38, Resulting Numbers: [77, 30, 38] Generated Node #0,0: 90:[77, 30, 38] Operation: 62-24=38 Exploring Operation: 24+62=86, Resulting Numbers: [77, 30, 86] Generated Node #0,1: 90:[77, 30, 86] Operation: 24+62=86 Exploring Operation: 77-62=15, Resulting Numbers: [24, 30, 15] Generated Node #0,2: 90:[24, 30, 15] Operation: 77-62=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[24, 30, 15], Operations: ['77-62=15'] Exploring Operation: 24+15=39, Resulting Numbers: [30, 39] Generated Node #0,2,0: 90:[30, 39] Operation: 24+15=39 Exploring Operation: 24-15=9, Resulting Numbers: [30, 9] Generated Node #0,2,1: 90:[30, 9] Operation: 24-15=9 Exploring Operation: 30-24=6, Resulting Numbers: [15, 6] Generated Node #0,2,2: 90:[15, 6] Operation: 30-24=6 Moving to Node #0,2,1 Current State: 90:[30, 9], Operations: ['77-62=15', '24-15=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,90 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[15, 6], Operations: ['77-62=15', '30-24=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[77, 24, 30, 62], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [24, 30, 15] Generated Node #0,2: 90:[24, 30, 15] Operation: 77-62=15 Moving to Node #0,2 Current State: 90:[24, 30, 15], Operations: ['77-62=15'] Exploring Operation: 30-24=6, Resulting Numbers: [15, 6] Generated Node #0,2,2: 90:[15, 6] Operation: 30-24=6 Moving to Node #0,2,2 Current State: 90:[15, 6], Operations: ['77-62=15', '30-24=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 86, 27, 10, 70 ]
12
[ "70-27=43", "86/43=2", "10+2=12" ]
Current State: 12:[86, 27, 10, 70], Operations: [] Exploring Operation: 70-27=43, Resulting Numbers: [86, 10, 43] Generated Node #2: [86, 10, 43] from Operation: 70-27=43 Current State: 12:[86, 10, 43], Operations: ['70-27=43'] Exploring Operation: 86/43=2, Resulting Numbers: [10, 2] Generated Node #3: [10, 2] from Operation: 86/43=2 Current State: 12:[10, 2], Operations: ['70-27=43', '86/43=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[86, 27, 10, 70], Operations: [] Exploring Operation: 86-70=16, Resulting Numbers: [27, 10, 16] Generated Node #0,0: 12:[27, 10, 16] Operation: 86-70=16 Exploring Operation: 86-27=59, Resulting Numbers: [10, 70, 59] Generated Node #0,1: 12:[10, 70, 59] Operation: 86-27=59 Exploring Operation: 70/10=7, Resulting Numbers: [86, 27, 7] Generated Node #0,2: 12:[86, 27, 7] Operation: 70/10=7 Moving to Node #0,0 Current State: 12:[27, 10, 16], Operations: ['86-70=16'] Exploring Operation: 27-10=17, Resulting Numbers: [16, 17] Generated Node #0,0,0: 12:[16, 17] Operation: 27-10=17 Exploring Operation: 27-16=11, Resulting Numbers: [10, 11] Generated Node #0,0,1: 12:[10, 11] Operation: 27-16=11 Exploring Operation: 16-10=6, Resulting Numbers: [27, 6] Generated Node #0,0,2: 12:[27, 6] Operation: 16-10=6 Moving to Node #0,2 Current State: 12:[86, 27, 7], Operations: ['70/10=7'] Exploring Operation: 86-27=59, Resulting Numbers: [7, 59] Generated Node #0,2,0: 12:[7, 59] Operation: 86-27=59 Exploring Operation: 86-7=79, Resulting Numbers: [27, 79] Generated Node #0,2,1: 12:[27, 79] Operation: 86-7=79 Exploring Operation: 27-7=20, Resulting Numbers: [86, 20] Generated Node #0,2,2: 12:[86, 20] Operation: 27-7=20 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[7, 59], Operations: ['70/10=7', '86-27=59'] Exploring Operation: 7*59=413, Resulting Numbers: [413] 413,12 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,12 unequal: No Solution Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[27, 79], Operations: ['70/10=7', '86-7=79'] Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,12 unequal: No Solution Exploring Operation: 27+79=106, Resulting Numbers: [106] 106,12 unequal: No Solution Exploring Operation: 27*79=2133, Resulting Numbers: [2133] 2133,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[86, 20], Operations: ['70/10=7', '27-7=20'] Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,12 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,12 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: 12:[10, 70, 59], Operations: ['86-27=59'] Exploring Operation: 70/10=7, Resulting Numbers: [59, 7] Generated Node #0,1,0: 12:[59, 7] Operation: 70/10=7 Exploring Operation: 70-59=11, Resulting Numbers: [10, 11] Generated Node #0,1,1: 12:[10, 11] Operation: 70-59=11 Exploring Operation: 70-10=60, Resulting Numbers: [59, 60] Generated Node #0,1,2: 12:[59, 60] Operation: 70-10=60 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[10, 11], Operations: ['86-27=59', '70-59=11'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,12 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[59, 7], Operations: ['86-27=59', '70/10=7'] Exploring Operation: 59*7=413, Resulting Numbers: [413] 413,12 unequal: No Solution Exploring Operation: 59+7=66, Resulting Numbers: [66] 66,12 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[59, 60], Operations: ['86-27=59', '70-10=60'] Exploring Operation: 59+60=119, Resulting Numbers: [119] 119,12 unequal: No Solution Exploring Operation: 59*60=3540, Resulting Numbers: [3540] 3540,12 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,12 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: 12:[10, 11], Operations: ['86-70=16', '27-16=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[16, 17], Operations: ['86-70=16', '27-10=17'] Exploring Operation: 16+17=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 16*17=272, Resulting Numbers: [272] 272,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[27, 6], Operations: ['86-70=16', '16-10=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,12 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,12 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 81, 25, 13, 14 ]
76
[ "81+25=106", "13*14=182", "182-106=76" ]
Current State: 76:[81, 25, 13, 14], Operations: [] Exploring Operation: 81+25=106, Resulting Numbers: [13, 14, 106] Generated Node #2: [13, 14, 106] from Operation: 81+25=106 Current State: 76:[13, 14, 106], Operations: ['81+25=106'] Exploring Operation: 13*14=182, Resulting Numbers: [106, 182] Generated Node #3: [106, 182] from Operation: 13*14=182 Current State: 76:[106, 182], Operations: ['81+25=106', '13*14=182'] Exploring Operation: 182-106=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[81, 25, 13, 14], Operations: [] Exploring Operation: 25+13=38, Resulting Numbers: [81, 14, 38] Generated Node #0,0: 76:[81, 14, 38] Operation: 25+13=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[81, 14, 38], Operations: ['25+13=38'] Exploring Operation: 81-14=67, Resulting Numbers: [38, 67] Generated Node #0,0,0: 76:[38, 67] Operation: 81-14=67 Moving to Node #0,0,0 Current State: 76:[38, 67], Operations: ['25+13=38', '81-14=67'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 6, 28, 55, 96 ]
67
[ "96/6=16", "28+55=83", "83-16=67" ]
Current State: 67:[6, 28, 55, 96], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [28, 55, 16] Generated Node #2: [28, 55, 16] from Operation: 96/6=16 Current State: 67:[28, 55, 16], Operations: ['96/6=16'] Exploring Operation: 28+55=83, Resulting Numbers: [16, 83] Generated Node #3: [16, 83] from Operation: 28+55=83 Current State: 67:[16, 83], Operations: ['96/6=16', '28+55=83'] Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[6, 28, 55, 96], Operations: [] Exploring Operation: 6+55=61, Resulting Numbers: [28, 96, 61] Generated Node #0,0: 67:[28, 96, 61] Operation: 6+55=61 Exploring Operation: 6+28=34, Resulting Numbers: [55, 96, 34] Generated Node #0,1: 67:[55, 96, 34] Operation: 6+28=34 Exploring Operation: 96-28=68, Resulting Numbers: [6, 55, 68] Generated Node #0,2: 67:[6, 55, 68] Operation: 96-28=68 Exploring Operation: 96-6=90, Resulting Numbers: [28, 55, 90] Generated Node #0,3: 67:[28, 55, 90] Operation: 96-6=90 Moving to Node #0,0 Current State: 67:[28, 96, 61], Operations: ['6+55=61'] Exploring Operation: 61-28=33, Resulting Numbers: [96, 33] Generated Node #0,0,0: 67:[96, 33] Operation: 61-28=33 Exploring Operation: 96-28=68, Resulting Numbers: [61, 68] Generated Node #0,0,1: 67:[61, 68] Operation: 96-28=68 Exploring Operation: 28+96=124, Resulting Numbers: [61, 124] Generated Node #0,0,2: 67:[61, 124] Operation: 28+96=124 Exploring Operation: 28+61=89, Resulting Numbers: [96, 89] Generated Node #0,0,3: 67:[96, 89] Operation: 28+61=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[61, 68], Operations: ['6+55=61', '96-28=68'] Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 61+68=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 61*68=4148, Resulting Numbers: [4148] 4148,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 67:[96, 89], Operations: ['6+55=61', '28+61=89'] Exploring Operation: 96+89=185, Resulting Numbers: [185] 185,67 unequal: No Solution Exploring Operation: 96-89=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 96*89=8544, Resulting Numbers: [8544] 8544,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[96, 33], Operations: ['6+55=61', '61-28=33'] Exploring Operation: 96+33=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 96*33=3168, Resulting Numbers: [3168] 3168,67 unequal: No Solution Exploring Operation: 96-33=63, Resulting Numbers: [63] 63,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[61, 124], Operations: ['6+55=61', '28+96=124'] Exploring Operation: 61*124=7564, Resulting Numbers: [7564] 7564,67 unequal: No Solution Exploring Operation: 124-61=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 61+124=185, Resulting Numbers: [185] 185,67 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: 67:[6, 55, 68], Operations: ['96-28=68'] Exploring Operation: 6+55=61, Resulting Numbers: [68, 61] Generated Node #0,2,0: 67:[68, 61] Operation: 6+55=61 Exploring Operation: 6+68=74, Resulting Numbers: [55, 74] Generated Node #0,2,1: 67:[55, 74] Operation: 6+68=74 Exploring Operation: 68-6=62, Resulting Numbers: [55, 62] Generated Node #0,2,2: 67:[55, 62] Operation: 68-6=62 Exploring Operation: 55-6=49, Resulting Numbers: [68, 49] Generated Node #0,2,3: 67:[68, 49] Operation: 55-6=49 Moving to Node #0,1 Current State: 67:[55, 96, 34], Operations: ['6+28=34'] Exploring Operation: 96-55=41, Resulting Numbers: [34, 41] Generated Node #0,1,0: 67:[34, 41] Operation: 96-55=41 Exploring Operation: 55+34=89, Resulting Numbers: [96, 89] Generated Node #0,1,1: 67:[96, 89] Operation: 55+34=89 Exploring Operation: 96-34=62, Resulting Numbers: [55, 62] Generated Node #0,1,2: 67:[55, 62] Operation: 96-34=62 Exploring Operation: 55-34=21, Resulting Numbers: [96, 21] Generated Node #0,1,3: 67:[96, 21] Operation: 55-34=21 Moving to Node #0,3 Current State: 67:[28, 55, 90], Operations: ['96-6=90'] Exploring Operation: 90-28=62, Resulting Numbers: [55, 62] Generated Node #0,3,0: 67:[55, 62] Operation: 90-28=62 Exploring Operation: 55-28=27, Resulting Numbers: [90, 27] Generated Node #0,3,1: 67:[90, 27] Operation: 55-28=27 Exploring Operation: 28+90=118, Resulting Numbers: [55, 118] Generated Node #0,3,2: 67:[55, 118] Operation: 28+90=118 Exploring Operation: 28+55=83, Resulting Numbers: [90, 83] Generated Node #0,3,3: 67:[90, 83] Operation: 28+55=83 Moving to Node #0,2,0 Current State: 67:[68, 61], Operations: ['96-28=68', '6+55=61'] Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,67 unequal: No Solution Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[55, 62], Operations: ['96-28=68', '68-6=62'] Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 55+62=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 55*62=3410, Resulting Numbers: [3410] 3410,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[55, 62], Operations: ['6+28=34', '96-34=62'] Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 55*62=3410, Resulting Numbers: [3410] 3410,67 unequal: No Solution Exploring Operation: 55+62=117, Resulting Numbers: [117] 117,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[55, 62], Operations: ['96-6=90', '90-28=62'] Exploring Operation: 55+62=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 62-55=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 55*62=3410, Resulting Numbers: [3410] 3410,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[55, 74], Operations: ['96-28=68', '6+68=74'] Exploring Operation: 55*74=4070, Resulting Numbers: [4070] 4070,67 unequal: No Solution Exploring Operation: 55+74=129, Resulting Numbers: [129] 129,67 unequal: No Solution Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[68, 49], Operations: ['96-28=68', '55-6=49'] Exploring Operation: 68+49=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,67 unequal: No Solution Exploring Operation: 68*49=3332, Resulting Numbers: [3332] 3332,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[90, 83], Operations: ['96-6=90', '28+55=83'] Exploring Operation: 90*83=7470, Resulting Numbers: [7470] 7470,67 unequal: No Solution Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 90+83=173, Resulting Numbers: [173] 173,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[96, 89], Operations: ['6+28=34', '55+34=89'] Exploring Operation: 96+89=185, Resulting Numbers: [185] 185,67 unequal: No Solution Exploring Operation: 96*89=8544, Resulting Numbers: [8544] 8544,67 unequal: No Solution Exploring Operation: 96-89=7, Resulting Numbers: [7] 7,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[34, 41], Operations: ['6+28=34', '96-55=41'] Exploring Operation: 34+41=75, Resulting Numbers: [75] 75,67 unequal: No Solution Exploring Operation: 34*41=1394, Resulting Numbers: [1394] 1394,67 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[55, 118], Operations: ['96-6=90', '28+90=118'] Exploring Operation: 118-55=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 55+118=173, Resulting Numbers: [173] 173,67 unequal: No Solution Exploring Operation: 55*118=6490, Resulting Numbers: [6490] 6490,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[90, 27], Operations: ['96-6=90', '55-28=27'] Exploring Operation: 90+27=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,67 unequal: No Solution Exploring Operation: 90*27=2430, Resulting Numbers: [2430] 2430,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[96, 21], Operations: ['6+28=34', '55-34=21'] Exploring Operation: 96*21=2016, Resulting Numbers: [2016] 2016,67 unequal: No Solution Exploring Operation: 96+21=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,67 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 49, 70, 70, 15 ]
85
[ "70*70=4900", "4900/49=100", "100-15=85" ]
Current State: 85:[49, 70, 70, 15], Operations: [] Exploring Operation: 70*70=4900, Resulting Numbers: [49, 15, 4900] Generated Node #2: [49, 15, 4900] from Operation: 70*70=4900 Current State: 85:[49, 15, 4900], Operations: ['70*70=4900'] Exploring Operation: 4900/49=100, Resulting Numbers: [15, 100] Generated Node #3: [15, 100] from Operation: 4900/49=100 Current State: 85:[15, 100], Operations: ['70*70=4900', '4900/49=100'] Exploring Operation: 100-15=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[49, 70, 70, 15], Operations: [] Exploring Operation: 70/70=1, Resulting Numbers: [49, 15, 1] Generated Node #0,0: 85:[49, 15, 1] Operation: 70/70=1 Exploring Operation: 49-15=34, Resulting Numbers: [70, 70, 34] Generated Node #0,1: 85:[70, 70, 34] Operation: 49-15=34 Exploring Operation: 70-70=0, Resulting Numbers: [49, 15, 0] Generated Node #0,2: 85:[49, 15, 0] Operation: 70-70=0 Exploring Operation: 70-49=21, Resulting Numbers: [70, 15, 21] Generated Node #0,3: 85:[70, 15, 21] Operation: 70-49=21 Exploring Operation: 70-49=21, Resulting Numbers: [70, 15, 21] Generated Node #0,4: 85:[70, 15, 21] Operation: 70-49=21 Moving to Node #0,3 Current State: 85:[70, 15, 21], Operations: ['70-49=21'] Exploring Operation: 70+15=85, Resulting Numbers: [21, 85] Generated Node #0,3,0: 85:[21, 85] Operation: 70+15=85 Exploring Operation: 21-15=6, Resulting Numbers: [70, 6] Generated Node #0,3,1: 85:[70, 6] Operation: 21-15=6 Exploring Operation: 70+21=91, Resulting Numbers: [15, 91] Generated Node #0,3,2: 85:[15, 91] Operation: 70+21=91 Exploring Operation: 70-21=49, Resulting Numbers: [15, 49] Generated Node #0,3,3: 85:[15, 49] Operation: 70-21=49 Exploring Operation: 70-15=55, Resulting Numbers: [21, 55] Generated Node #0,3,4: 85:[21, 55] Operation: 70-15=55 Moving to Node #0,4 Current State: 85:[70, 15, 21], Operations: ['70-49=21'] Exploring Operation: 70-15=55, Resulting Numbers: [21, 55] Generated Node #0,4,0: 85:[21, 55] Operation: 70-15=55 Exploring Operation: 70-21=49, Resulting Numbers: [15, 49] Generated Node #0,4,1: 85:[15, 49] Operation: 70-21=49 Exploring Operation: 21-15=6, Resulting Numbers: [70, 6] Generated Node #0,4,2: 85:[70, 6] Operation: 21-15=6 Exploring Operation: 70+15=85, Resulting Numbers: [21, 85] Generated Node #0,4,3: 85:[21, 85] Operation: 70+15=85 Exploring Operation: 70+21=91, Resulting Numbers: [15, 91] Generated Node #0,4,4: 85:[15, 91] Operation: 70+21=91 Moving to Node #0,0 Current State: 85:[49, 15, 1], Operations: ['70/70=1'] Exploring Operation: 49-15=34, Resulting Numbers: [1, 34] Generated Node #0,0,0: 85:[1, 34] Operation: 49-15=34 Exploring Operation: 49+15=64, Resulting Numbers: [1, 64] Generated Node #0,0,1: 85:[1, 64] Operation: 49+15=64 Exploring Operation: 15+1=16, Resulting Numbers: [49, 16] Generated Node #0,0,2: 85:[49, 16] Operation: 15+1=16 Exploring Operation: 49*1=49, Resulting Numbers: [15, 49] Generated Node #0,0,3: 85:[15, 49] Operation: 49*1=49 Exploring Operation: 49-1=48, Resulting Numbers: [15, 48] Generated Node #0,0,4: 85:[15, 48] Operation: 49-1=48 Moving to Node #0,2 Current State: 85:[49, 15, 0], Operations: ['70-70=0'] Exploring Operation: 49+0=49, Resulting Numbers: [15, 49] Generated Node #0,2,0: 85:[15, 49] Operation: 49+0=49 Exploring Operation: 49-15=34, Resulting Numbers: [0, 34] Generated Node #0,2,1: 85:[0, 34] Operation: 49-15=34 Exploring Operation: 49+15=64, Resulting Numbers: [0, 64] Generated Node #0,2,2: 85:[0, 64] Operation: 49+15=64 Exploring Operation: 49*0=0, Resulting Numbers: [15, 0] Generated Node #0,2,3: 85:[15, 0] Operation: 49*0=0 Exploring Operation: 49-0=49, Resulting Numbers: [15, 49] Generated Node #0,2,4: 85:[15, 49] Operation: 49-0=49 Moving to Node #0,1 Current State: 85:[70, 70, 34], Operations: ['49-15=34'] Exploring Operation: 70-70=0, Resulting Numbers: [34, 0] Generated Node #0,1,0: 85:[34, 0] Operation: 70-70=0 Exploring Operation: 70+34=104, Resulting Numbers: [70, 104] Generated Node #0,1,1: 85:[70, 104] Operation: 70+34=104 Exploring Operation: 70/70=1, Resulting Numbers: [34, 1] Generated Node #0,1,2: 85:[34, 1] Operation: 70/70=1 Exploring Operation: 70-34=36, Resulting Numbers: [70, 36] Generated Node #0,1,3: 85:[70, 36] Operation: 70-34=36 Exploring Operation: 70+34=104, Resulting Numbers: [70, 104] Generated Node #0,1,4: 85:[70, 104] Operation: 70+34=104 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[34, 1], Operations: ['49-15=34', '70/70=1'] Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[34, 0], Operations: ['49-15=34', '70-70=0'] Exploring Operation: 34-0=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 34*0=0, Resulting Numbers: [0] 0,85 unequal: No Solution Exploring Operation: 34+0=34, Resulting Numbers: [34] 34,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[70, 104], Operations: ['49-15=34', '70+34=104'] Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 70*104=7280, Resulting Numbers: [7280] 7280,85 unequal: No Solution Exploring Operation: 70+104=174, Resulting Numbers: [174] 174,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 85:[70, 36], Operations: ['49-15=34', '70-34=36'] Exploring Operation: 70+36=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 70-36=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 70*36=2520, Resulting Numbers: [2520] 2520,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 85:[70, 104], Operations: ['49-15=34', '70+34=104'] Exploring Operation: 70+104=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 70*104=7280, Resulting Numbers: [7280] 7280,85 unequal: No Solution Exploring Operation: 104-70=34, Resulting Numbers: [34] 34,85 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: 85:[21, 85], Operations: ['70-49=21', '70+15=85'] Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 21*85=1785, Resulting Numbers: [1785] 1785,85 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,85 unequal: No Solution Moving to Node #0,4,3 Current State: 85:[21, 85], Operations: ['70-49=21', '70+15=85'] Exploring Operation: 21*85=1785, Resulting Numbers: [1785] 1785,85 unequal: No Solution Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[15, 0], Operations: ['70-70=0', '49*0=0'] Exploring Operation: 15-0=15, Resulting Numbers: [15] 15,85 unequal: No Solution Exploring Operation: 15*0=0, Resulting Numbers: [0] 0,85 unequal: No Solution Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,85 unequal: No Solution Moving to Node #0,4,4 Current State: 85:[15, 91], Operations: ['70-49=21', '70+21=91'] Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,85 unequal: No Solution Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[15, 91], Operations: ['70-49=21', '70+21=91'] Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,85 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[70, 6], Operations: ['70-49=21', '21-15=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,85 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[70, 6], Operations: ['70-49=21', '21-15=6'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,85 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[1, 34], Operations: ['70/70=1', '49-15=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 1+34=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[0, 34], Operations: ['70-70=0', '49-15=34'] Exploring Operation: 34-0=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 0*34=0, Resulting Numbers: [0] 0,85 unequal: No Solution Exploring Operation: 0+34=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[1, 64], Operations: ['70/70=1', '49+15=64'] Exploring Operation: 64/1=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 1*64=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 1+64=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[0, 64], Operations: ['70-70=0', '49+15=64'] Exploring Operation: 64-0=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 0+64=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 0*64=0, Resulting Numbers: [0] 0,85 unequal: No Solution Moving to Node #0,0,4 Current State: 85:[15, 48], Operations: ['70/70=1', '49-1=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[49, 16], Operations: ['70/70=1', '15+1=16'] Exploring Operation: 49*16=784, Resulting Numbers: [784] 784,85 unequal: No Solution Exploring Operation: 49+16=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,85 unequal: No Solution Moving to Node #0,4,0 Current State: 85:[21, 55], Operations: ['70-49=21', '70-15=55'] Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,85 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[15, 49], Operations: ['70-70=0', '49+0=49'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,85 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[15, 49], Operations: ['70/70=1', '49*1=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,85 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[15, 49], Operations: ['70-49=21', '70-21=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,85 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,4,1 Current State: 85:[15, 49], Operations: ['70-49=21', '70-21=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,85 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,85 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,85 unequal: No Solution Moving to Node #0,3,4 Current State: 85:[21, 55], Operations: ['70-49=21', '70-15=55'] Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,85 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[15, 49], Operations: ['70-70=0', '49-0=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,85 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,85 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 28, 35, 90, 86 ]
28
[ "35-28=7", "90-86=4", "7*4=28" ]
Current State: 28:[28, 35, 90, 86], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [90, 86, 7] Generated Node #2: [90, 86, 7] from Operation: 35-28=7 Current State: 28:[90, 86, 7], Operations: ['35-28=7'] Exploring Operation: 90-86=4, Resulting Numbers: [7, 4] Generated Node #3: [7, 4] from Operation: 90-86=4 Current State: 28:[7, 4], Operations: ['35-28=7', '90-86=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[28, 35, 90, 86], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [28, 35, 4] Generated Node #0,0: 28:[28, 35, 4] Operation: 90-86=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[28, 35, 4], Operations: ['90-86=4'] Exploring Operation: 35-28=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 28:[4, 7] Operation: 35-28=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 7], Operations: ['90-86=4', '35-28=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[28, 35, 90, 86], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [28, 35, 4] Generated Node #0,0: 28:[28, 35, 4] Operation: 90-86=4 Moving to Node #0,0 Current State: 28:[28, 35, 4], Operations: ['90-86=4'] Exploring Operation: 35-28=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 28:[4, 7] Operation: 35-28=7 Moving to Node #0,0,0 Current State: 28:[4, 7], Operations: ['90-86=4', '35-28=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 5, 54, 55, 38 ]
81
[ "55/5=11", "54+38=92", "92-11=81" ]
Current State: 81:[5, 54, 55, 38], Operations: [] Exploring Operation: 55/5=11, Resulting Numbers: [54, 38, 11] Generated Node #2: [54, 38, 11] from Operation: 55/5=11 Current State: 81:[54, 38, 11], Operations: ['55/5=11'] Exploring Operation: 54+38=92, Resulting Numbers: [11, 92] Generated Node #3: [11, 92] from Operation: 54+38=92 Current State: 81:[11, 92], Operations: ['55/5=11', '54+38=92'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[5, 54, 55, 38], Operations: [] Exploring Operation: 54+38=92, Resulting Numbers: [5, 55, 92] Generated Node #0,0: 81:[5, 55, 92] Operation: 54+38=92 Exploring Operation: 55-54=1, Resulting Numbers: [5, 38, 1] Generated Node #0,1: 81:[5, 38, 1] Operation: 55-54=1 Exploring Operation: 55-38=17, Resulting Numbers: [5, 54, 17] Generated Node #0,2: 81:[5, 54, 17] Operation: 55-38=17 Exploring Operation: 54-38=16, Resulting Numbers: [5, 55, 16] Generated Node #0,3: 81:[5, 55, 16] Operation: 54-38=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[5, 38, 1], Operations: ['55-54=1'] Exploring Operation: 5*1=5, Resulting Numbers: [38, 5] Generated Node #0,1,0: 81:[38, 5] Operation: 5*1=5 Exploring Operation: 38-1=37, Resulting Numbers: [5, 37] Generated Node #0,1,1: 81:[5, 37] Operation: 38-1=37 Exploring Operation: 5-1=4, Resulting Numbers: [38, 4] Generated Node #0,1,2: 81:[38, 4] Operation: 5-1=4 Exploring Operation: 38-5=33, Resulting Numbers: [1, 33] Generated Node #0,1,3: 81:[1, 33] Operation: 38-5=33 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 81:[1, 33], Operations: ['55-54=1', '38-5=33'] Exploring Operation: 1*33=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 1+33=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[5, 37], Operations: ['55-54=1', '38-1=37'] Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[38, 4], Operations: ['55-54=1', '5-1=4'] Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,81 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[38, 5], Operations: ['55-54=1', '5*1=5'] Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,81 unequal: No Solution Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,81 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[5, 55, 16], Operations: ['54-38=16'] Exploring Operation: 55-16=39, Resulting Numbers: [5, 39] Generated Node #0,3,0: 81:[5, 39] Operation: 55-16=39 Exploring Operation: 55+16=71, Resulting Numbers: [5, 71] Generated Node #0,3,1: 81:[5, 71] Operation: 55+16=71 Exploring Operation: 5*16=80, Resulting Numbers: [55, 80] Generated Node #0,3,2: 81:[55, 80] Operation: 5*16=80 Exploring Operation: 55/5=11, Resulting Numbers: [16, 11] Generated Node #0,3,3: 81:[16, 11] Operation: 55/5=11 Moving to Node #0,3,3 Current State: 81:[16, 11], Operations: ['54-38=16', '55/5=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,81 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[5, 71], Operations: ['54-38=16', '55+16=71'] Exploring Operation: 5*71=355, Resulting Numbers: [355] 355,81 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[5, 39], Operations: ['54-38=16', '55-16=39'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,81 unequal: No Solution Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,81 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[55, 80], Operations: ['54-38=16', '5*16=80'] Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 55+80=135, Resulting Numbers: [135] 135,81 unequal: No Solution Exploring Operation: 55*80=4400, Resulting Numbers: [4400] 4400,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[5, 54, 17], Operations: ['55-38=17'] Exploring Operation: 54-17=37, Resulting Numbers: [5, 37] Generated Node #0,2,0: 81:[5, 37] Operation: 54-17=37 Exploring Operation: 5+54=59, Resulting Numbers: [17, 59] Generated Node #0,2,1: 81:[17, 59] Operation: 5+54=59 Exploring Operation: 54-5=49, Resulting Numbers: [17, 49] Generated Node #0,2,2: 81:[17, 49] Operation: 54-5=49 Exploring Operation: 54+17=71, Resulting Numbers: [5, 71] Generated Node #0,2,3: 81:[5, 71] Operation: 54+17=71 Moving to Node #0,2,0 Current State: 81:[5, 37], Operations: ['55-38=17', '54-17=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[5, 71], Operations: ['55-38=17', '54+17=71'] Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,81 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 5*71=355, Resulting Numbers: [355] 355,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[17, 49], Operations: ['55-38=17', '54-5=49'] Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,81 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[17, 59], Operations: ['55-38=17', '5+54=59'] Exploring Operation: 17*59=1003, Resulting Numbers: [1003] 1003,81 unequal: No Solution Exploring Operation: 17+59=76, Resulting Numbers: [76] 76,81 unequal: No Solution Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[5, 55, 92], Operations: ['54+38=92'] Exploring Operation: 5+55=60, Resulting Numbers: [92, 60] Generated Node #0,0,0: 81:[92, 60] Operation: 5+55=60 Exploring Operation: 92-55=37, Resulting Numbers: [5, 37] Generated Node #0,0,1: 81:[5, 37] Operation: 92-55=37 Exploring Operation: 55/5=11, Resulting Numbers: [92, 11] Generated Node #0,0,2: 81:[92, 11] Operation: 55/5=11 Exploring Operation: 92-5=87, Resulting Numbers: [55, 87] Generated Node #0,0,3: 81:[55, 87] Operation: 92-5=87 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[5, 37], Operations: ['54+38=92', '92-55=37'] Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,81 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[92, 11], Operations: ['54+38=92', '55/5=11'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[5, 54, 55, 38], Operations: [] Exploring Operation: 54+38=92, Resulting Numbers: [5, 55, 92] Generated Node #0,0: 81:[5, 55, 92] Operation: 54+38=92 Moving to Node #0,0 Current State: 81:[5, 55, 92], Operations: ['54+38=92'] Exploring Operation: 55/5=11, Resulting Numbers: [92, 11] Generated Node #0,0,2: 81:[92, 11] Operation: 55/5=11 Moving to Node #0,0,2 Current State: 81:[92, 11], Operations: ['54+38=92', '55/5=11'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.943576
hs_4
mult_heuristic
[ 18, 52, 3, 42 ]
50
[ "18+3=21", "42/21=2", "52-2=50" ]
Current State: 50:[18, 52, 3, 42], Operations: [] Exploring Operation: 18+3=21, Resulting Numbers: [52, 42, 21] Generated Node #2: [52, 42, 21] from Operation: 18+3=21 Current State: 50:[52, 42, 21], Operations: ['18+3=21'] Exploring Operation: 42/21=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 42/21=2 Current State: 50:[52, 2], Operations: ['18+3=21', '42/21=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[18, 52, 3, 42], Operations: [] Exploring Operation: 42-18=24, Resulting Numbers: [52, 3, 24] Generated Node #0,0: 50:[52, 3, 24] Operation: 42-18=24 Moving to Node #0,0 Current State: 50:[52, 3, 24], Operations: ['42-18=24'] Exploring Operation: 52-3=49, Resulting Numbers: [24, 49] Generated Node #0,0,0: 50:[24, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 50:[24, 49], Operations: ['42-18=24', '52-3=49'] Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,50 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 38, 78, 35, 86 ]
60
[ "38-35=3", "78/3=26", "86-26=60" ]
Current State: 60:[38, 78, 35, 86], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [78, 86, 3] Generated Node #2: [78, 86, 3] from Operation: 38-35=3 Current State: 60:[78, 86, 3], Operations: ['38-35=3'] Exploring Operation: 78/3=26, Resulting Numbers: [86, 26] Generated Node #3: [86, 26] from Operation: 78/3=26 Current State: 60:[86, 26], Operations: ['38-35=3', '78/3=26'] Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[38, 78, 35, 86], Operations: [] Exploring Operation: 86-38=48, Resulting Numbers: [78, 35, 48] Generated Node #0,0: 60:[78, 35, 48] Operation: 86-38=48 Exploring Operation: 86-78=8, Resulting Numbers: [38, 35, 8] Generated Node #0,1: 60:[38, 35, 8] Operation: 86-78=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[38, 35, 8], Operations: ['86-78=8'] Exploring Operation: 38-35=3, Resulting Numbers: [8, 3] Generated Node #0,1,0: 60:[8, 3] Operation: 38-35=3 Exploring Operation: 38-8=30, Resulting Numbers: [35, 30] Generated Node #0,1,1: 60:[35, 30] Operation: 38-8=30 Moving to Node #0,1,0 Current State: 60:[8, 3], Operations: ['86-78=8', '38-35=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[35, 30], Operations: ['86-78=8', '38-8=30'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[78, 35, 48], Operations: ['86-38=48'] Exploring Operation: 48-35=13, Resulting Numbers: [78, 13] Generated Node #0,0,0: 60:[78, 13] Operation: 48-35=13 Exploring Operation: 78-48=30, Resulting Numbers: [35, 30] Generated Node #0,0,1: 60:[35, 30] Operation: 78-48=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[35, 30], Operations: ['86-38=48', '78-48=30'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[78, 13], Operations: ['86-38=48', '48-35=13'] Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 87, 83, 83, 84 ]
87
[ "83-83=0", "84*0=0", "87+0=87" ]
Current State: 87:[87, 83, 83, 84], Operations: [] Exploring Operation: 83-83=0, Resulting Numbers: [87, 84, 0] Generated Node #2: [87, 84, 0] from Operation: 83-83=0 Current State: 87:[87, 84, 0], Operations: ['83-83=0'] Exploring Operation: 84*0=0, Resulting Numbers: [87, 0] Generated Node #3: [87, 0] from Operation: 84*0=0 Current State: 87:[87, 0], Operations: ['83-83=0', '84*0=0'] Exploring Operation: 87+0=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[87, 83, 83, 84], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [87, 84, 1] Generated Node #0,0: 87:[87, 84, 1] Operation: 83/83=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[87, 84, 1], Operations: ['83/83=1'] Exploring Operation: 87-84=3, Resulting Numbers: [1, 3] Generated Node #0,0,0: 87:[1, 3] Operation: 87-84=3 Moving to Node #0,0,0 Current State: 87:[1, 3], Operations: ['83/83=1', '87-84=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,87 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
[ 47, 6, 16, 49 ]
98
[ "49-47=2", "6*16=96", "2+96=98" ]
Current State: 98:[47, 6, 16, 49], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [6, 16, 2] Generated Node #2: [6, 16, 2] from Operation: 49-47=2 Current State: 98:[6, 16, 2], Operations: ['49-47=2'] Exploring Operation: 6*16=96, Resulting Numbers: [2, 96] Generated Node #3: [2, 96] from Operation: 6*16=96 Current State: 98:[2, 96], Operations: ['49-47=2', '6*16=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[47, 6, 16, 49], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [6, 16, 2] Generated Node #0,0: 98:[6, 16, 2] Operation: 49-47=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[6, 16, 2], Operations: ['49-47=2'] Exploring Operation: 16-2=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 98:[6, 14] Operation: 16-2=14 Moving to Node #0,0,0 Current State: 98:[6, 14], Operations: ['49-47=2', '16-2=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,98 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
[ 7, 78, 63, 14 ]
82
[ "63-7=56", "56/14=4", "78+4=82" ]
Current State: 82:[7, 78, 63, 14], Operations: [] Exploring Operation: 63-7=56, Resulting Numbers: [78, 14, 56] Generated Node #2: [78, 14, 56] from Operation: 63-7=56 Current State: 82:[78, 14, 56], Operations: ['63-7=56'] Exploring Operation: 56/14=4, Resulting Numbers: [78, 4] Generated Node #3: [78, 4] from Operation: 56/14=4 Current State: 82:[78, 4], Operations: ['63-7=56', '56/14=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[7, 78, 63, 14], Operations: [] Exploring Operation: 63+14=77, Resulting Numbers: [7, 78, 77] Generated Node #0,0: 82:[7, 78, 77] Operation: 63+14=77 Moving to Node #0,0 Current State: 82:[7, 78, 77], Operations: ['63+14=77'] Exploring Operation: 7+77=84, Resulting Numbers: [78, 84] Generated Node #0,0,0: 82:[78, 84] Operation: 7+77=84 Moving to Node #0,0,0 Current State: 82:[78, 84], Operations: ['63+14=77', '7+77=84'] Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,82 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 7, 30, 7, 11 ]
20
[ "7/7=1", "30-11=19", "1+19=20" ]
Current State: 20:[7, 30, 7, 11], Operations: [] Exploring Operation: 7/7=1, Resulting Numbers: [30, 11, 1] Generated Node #2: [30, 11, 1] from Operation: 7/7=1 Current State: 20:[30, 11, 1], Operations: ['7/7=1'] Exploring Operation: 30-11=19, Resulting Numbers: [1, 19] Generated Node #3: [1, 19] from Operation: 30-11=19 Current State: 20:[1, 19], Operations: ['7/7=1', '30-11=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[7, 30, 7, 11], Operations: [] Exploring Operation: 30-7=23, Resulting Numbers: [7, 11, 23] Generated Node #0,0: 20:[7, 11, 23] Operation: 30-7=23 Exploring Operation: 30-11=19, Resulting Numbers: [7, 7, 19] Generated Node #0,1: 20:[7, 7, 19] Operation: 30-11=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[7, 7, 19], Operations: ['30-11=19'] Exploring Operation: 7-7=0, Resulting Numbers: [19, 0] Generated Node #0,1,0: 20:[19, 0] Operation: 7-7=0 Exploring Operation: 7/7=1, Resulting Numbers: [19, 1] Generated Node #0,1,1: 20:[19, 1] Operation: 7/7=1 Moving to Node #0,1,1 Current State: 20:[19, 1], Operations: ['30-11=19', '7/7=1'] Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[7, 30, 7, 11], Operations: [] Exploring Operation: 30-11=19, Resulting Numbers: [7, 7, 19] Generated Node #0,1: 20:[7, 7, 19] Operation: 30-11=19 Moving to Node #0,1 Current State: 20:[7, 7, 19], Operations: ['30-11=19'] Exploring Operation: 7/7=1, Resulting Numbers: [19, 1] Generated Node #0,1,1: 20:[19, 1] Operation: 7/7=1 Moving to Node #0,1,1 Current State: 20:[19, 1], Operations: ['30-11=19', '7/7=1'] Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 86, 31, 75, 39 ]
72
[ "86+31=117", "117/39=3", "75-3=72" ]
Current State: 72:[86, 31, 75, 39], Operations: [] Exploring Operation: 86+31=117, Resulting Numbers: [75, 39, 117] Generated Node #2: [75, 39, 117] from Operation: 86+31=117 Current State: 72:[75, 39, 117], Operations: ['86+31=117'] Exploring Operation: 117/39=3, Resulting Numbers: [75, 3] Generated Node #3: [75, 3] from Operation: 117/39=3 Current State: 72:[75, 3], Operations: ['86+31=117', '117/39=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[86, 31, 75, 39], Operations: [] Exploring Operation: 86-39=47, Resulting Numbers: [31, 75, 47] Generated Node #0,0: 72:[31, 75, 47] Operation: 86-39=47 Exploring Operation: 86-75=11, Resulting Numbers: [31, 39, 11] Generated Node #0,1: 72:[31, 39, 11] Operation: 86-75=11 Exploring Operation: 75-39=36, Resulting Numbers: [86, 31, 36] Generated Node #0,2: 72:[86, 31, 36] Operation: 75-39=36 Exploring Operation: 39-31=8, Resulting Numbers: [86, 75, 8] Generated Node #0,3: 72:[86, 75, 8] Operation: 39-31=8 Exploring Operation: 31+39=70, Resulting Numbers: [86, 75, 70] Generated Node #0,4: 72:[86, 75, 70] Operation: 31+39=70 Moving to Node #0,1 Current State: 72:[31, 39, 11], Operations: ['86-75=11'] Exploring Operation: 31-11=20, Resulting Numbers: [39, 20] Generated Node #0,1,0: 72:[39, 20] Operation: 31-11=20 Exploring Operation: 31+11=42, Resulting Numbers: [39, 42] Generated Node #0,1,1: 72:[39, 42] Operation: 31+11=42 Exploring Operation: 39-31=8, Resulting Numbers: [11, 8] Generated Node #0,1,2: 72:[11, 8] Operation: 39-31=8 Exploring Operation: 39-11=28, Resulting Numbers: [31, 28] Generated Node #0,1,3: 72:[31, 28] Operation: 39-11=28 Exploring Operation: 31+39=70, Resulting Numbers: [11, 70] Generated Node #0,1,4: 72:[11, 70] Operation: 31+39=70 Moving to Node #0,3 Current State: 72:[86, 75, 8], Operations: ['39-31=8'] Exploring Operation: 86-75=11, Resulting Numbers: [8, 11] Generated Node #0,3,0: 72:[8, 11] Operation: 86-75=11 Exploring Operation: 75-8=67, Resulting Numbers: [86, 67] Generated Node #0,3,1: 72:[86, 67] Operation: 75-8=67 Exploring Operation: 86-8=78, Resulting Numbers: [75, 78] Generated Node #0,3,2: 72:[75, 78] Operation: 86-8=78 Exploring Operation: 86+8=94, Resulting Numbers: [75, 94] Generated Node #0,3,3: 72:[75, 94] Operation: 86+8=94 Exploring Operation: 75+8=83, Resulting Numbers: [86, 83] Generated Node #0,3,4: 72:[86, 83] Operation: 75+8=83 Moving to Node #0,0 Current State: 72:[31, 75, 47], Operations: ['86-39=47'] Exploring Operation: 47-31=16, Resulting Numbers: [75, 16] Generated Node #0,0,0: 72:[75, 16] Operation: 47-31=16 Exploring Operation: 75-47=28, Resulting Numbers: [31, 28] Generated Node #0,0,1: 72:[31, 28] Operation: 75-47=28 Exploring Operation: 75-31=44, Resulting Numbers: [47, 44] Generated Node #0,0,2: 72:[47, 44] Operation: 75-31=44 Exploring Operation: 31+75=106, Resulting Numbers: [47, 106] Generated Node #0,0,3: 72:[47, 106] Operation: 31+75=106 Exploring Operation: 31+47=78, Resulting Numbers: [75, 78] Generated Node #0,0,4: 72:[75, 78] Operation: 31+47=78 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[75, 16], Operations: ['86-39=47', '47-31=16'] Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,72 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[31, 28], Operations: ['86-39=47', '75-47=28'] Exploring Operation: 31*28=868, Resulting Numbers: [868] 868,72 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 72:[75, 78], Operations: ['86-39=47', '31+47=78'] Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 75*78=5850, Resulting Numbers: [5850] 5850,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[47, 44], Operations: ['86-39=47', '75-31=44'] Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,72 unequal: No Solution Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[47, 106], Operations: ['86-39=47', '31+75=106'] Exploring Operation: 47*106=4982, Resulting Numbers: [4982] 4982,72 unequal: No Solution Exploring Operation: 106-47=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 47+106=153, Resulting Numbers: [153] 153,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 72:[86, 31, 36], Operations: ['75-39=36'] Exploring Operation: 86-36=50, Resulting Numbers: [31, 50] Generated Node #0,2,0: 72:[31, 50] Operation: 86-36=50 Exploring Operation: 86-31=55, Resulting Numbers: [36, 55] Generated Node #0,2,1: 72:[36, 55] Operation: 86-31=55 Exploring Operation: 31+36=67, Resulting Numbers: [86, 67] Generated Node #0,2,2: 72:[86, 67] Operation: 31+36=67 Exploring Operation: 86+31=117, Resulting Numbers: [36, 117] Generated Node #0,2,3: 72:[36, 117] Operation: 86+31=117 Exploring Operation: 36-31=5, Resulting Numbers: [86, 5] Generated Node #0,2,4: 72:[86, 5] Operation: 36-31=5 Moving to Node #0,4 Current State: 72:[86, 75, 70], Operations: ['31+39=70'] Exploring Operation: 86-70=16, Resulting Numbers: [75, 16] Generated Node #0,4,0: 72:[75, 16] Operation: 86-70=16 Exploring Operation: 86+70=156, Resulting Numbers: [75, 156] Generated Node #0,4,1: 72:[75, 156] Operation: 86+70=156 Exploring Operation: 75+70=145, Resulting Numbers: [86, 145] Generated Node #0,4,2: 72:[86, 145] Operation: 75+70=145 Exploring Operation: 75-70=5, Resulting Numbers: [86, 5] Generated Node #0,4,3: 72:[86, 5] Operation: 75-70=5 Exploring Operation: 86-75=11, Resulting Numbers: [70, 11] Generated Node #0,4,4: 72:[70, 11] Operation: 86-75=11 Moving to Node #0,1,2 Current State: 72:[11, 8], Operations: ['86-75=11', '39-31=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[8, 11], Operations: ['39-31=8', '86-75=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,72 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,1,4 Current State: 72:[11, 70], Operations: ['86-75=11', '31+39=70'] Exploring Operation: 11*70=770, Resulting Numbers: [770] 770,72 unequal: No Solution Exploring Operation: 11+70=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,72 unequal: No Solution Moving to Node #0,4,4 Current State: 72:[70, 11], Operations: ['31+39=70', '86-75=11'] Exploring Operation: 70*11=770, Resulting Numbers: [770] 770,72 unequal: No Solution Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 70+11=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[39, 20], Operations: ['86-75=11', '31-11=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,72 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,4,0 Current State: 72:[75, 16], Operations: ['31+39=70', '86-70=16'] Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 75+16=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 75*16=1200, Resulting Numbers: [1200] 1200,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[75, 78], Operations: ['39-31=8', '86-8=78'] Exploring Operation: 75*78=5850, Resulting Numbers: [5850] 5850,72 unequal: No Solution Exploring Operation: 75+78=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[31, 28], Operations: ['86-75=11', '39-11=28'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 31*28=868, Resulting Numbers: [868] 868,72 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[39, 42], Operations: ['86-75=11', '31+11=42'] Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,72 unequal: No Solution Moving to Node #0,2,4 Current State: 72:[86, 5], Operations: ['75-39=36', '36-31=5'] Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,72 unequal: No Solution Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,4,3 Current State: 72:[86, 5], Operations: ['31+39=70', '75-70=5'] Exploring Operation: 86+5=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 86*5=430, Resulting Numbers: [430] 430,72 unequal: No Solution Exploring Operation: 86-5=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[36, 55], Operations: ['75-39=36', '86-31=55'] Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,72 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,72 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[86, 67], Operations: ['75-39=36', '31+36=67'] Exploring Operation: 86+67=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 86*67=5762, Resulting Numbers: [5762] 5762,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[31, 50], Operations: ['75-39=36', '86-36=50'] Exploring Operation: 31*50=1550, Resulting Numbers: [1550] 1550,72 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[86, 67], Operations: ['39-31=8', '75-8=67'] Exploring Operation: 86+67=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,72 unequal: No Solution Exploring Operation: 86*67=5762, Resulting Numbers: [5762] 5762,72 unequal: No Solution Moving to Node #0,3,4 Current State: 72:[86, 83], Operations: ['39-31=8', '75+8=83'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 86*83=7138, Resulting Numbers: [7138] 7138,72 unequal: No Solution Exploring Operation: 86+83=169, Resulting Numbers: [169] 169,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[75, 94], Operations: ['39-31=8', '86+8=94'] Exploring Operation: 75+94=169, Resulting Numbers: [169] 169,72 unequal: No Solution Exploring Operation: 75*94=7050, Resulting Numbers: [7050] 7050,72 unequal: No Solution Exploring Operation: 94-75=19, Resulting Numbers: [19] 19,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[36, 117], Operations: ['75-39=36', '86+31=117'] Exploring Operation: 36*117=4212, Resulting Numbers: [4212] 4212,72 unequal: No Solution Exploring Operation: 36+117=153, Resulting Numbers: [153] 153,72 unequal: No Solution Exploring Operation: 117-36=81, Resulting Numbers: [81] 81,72 unequal: No Solution Moving to Node #0,4,2 Current State: 72:[86, 145], Operations: ['31+39=70', '75+70=145'] Exploring Operation: 145-86=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 86+145=231, Resulting Numbers: [231] 231,72 unequal: No Solution Exploring Operation: 86*145=12470, Resulting Numbers: [12470] 12470,72 unequal: No Solution Moving to Node #0,4,1 Current State: 72:[75, 156], Operations: ['31+39=70', '86+70=156'] Exploring Operation: 156-75=81, Resulting Numbers: [81] 81,72 unequal: No Solution Exploring Operation: 75*156=11700, Resulting Numbers: [11700] 11700,72 unequal: No Solution Exploring Operation: 75+156=231, Resulting Numbers: [231] 231,72 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 20, 27, 12, 28 ]
47
[ "27-20=7", "12+28=40", "7+40=47" ]
Current State: 47:[20, 27, 12, 28], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [12, 28, 7] Generated Node #2: [12, 28, 7] from Operation: 27-20=7 Current State: 47:[12, 28, 7], Operations: ['27-20=7'] Exploring Operation: 12+28=40, Resulting Numbers: [7, 40] Generated Node #3: [7, 40] from Operation: 12+28=40 Current State: 47:[7, 40], Operations: ['27-20=7', '12+28=40'] Exploring Operation: 7+40=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[20, 27, 12, 28], Operations: [] Exploring Operation: 20+28=48, Resulting Numbers: [27, 12, 48] Generated Node #0,0: 47:[27, 12, 48] Operation: 20+28=48 Exploring Operation: 20+12=32, Resulting Numbers: [27, 28, 32] Generated Node #0,1: 47:[27, 28, 32] Operation: 20+12=32 Exploring Operation: 12+28=40, Resulting Numbers: [20, 27, 40] Generated Node #0,2: 47:[20, 27, 40] Operation: 12+28=40 Exploring Operation: 27+12=39, Resulting Numbers: [20, 28, 39] Generated Node #0,3: 47:[20, 28, 39] Operation: 27+12=39 Exploring Operation: 20+27=47, Resulting Numbers: [12, 28, 47] Generated Node #0,4: 47:[12, 28, 47] Operation: 20+27=47 Moving to Node #0,1 Current State: 47:[27, 28, 32], Operations: ['20+12=32'] Exploring Operation: 28-27=1, Resulting Numbers: [32, 1] Generated Node #0,1,0: 47:[32, 1] Operation: 28-27=1 Exploring Operation: 27+32=59, Resulting Numbers: [28, 59] Generated Node #0,1,1: 47:[28, 59] Operation: 27+32=59 Exploring Operation: 28+32=60, Resulting Numbers: [27, 60] Generated Node #0,1,2: 47:[27, 60] Operation: 28+32=60 Exploring Operation: 32-27=5, Resulting Numbers: [28, 5] Generated Node #0,1,3: 47:[28, 5] Operation: 32-27=5 Exploring Operation: 27+28=55, Resulting Numbers: [32, 55] Generated Node #0,1,4: 47:[32, 55] Operation: 27+28=55 Moving to Node #0,3 Current State: 47:[20, 28, 39], Operations: ['27+12=39'] Exploring Operation: 20+39=59, Resulting Numbers: [28, 59] Generated Node #0,3,0: 47:[28, 59] Operation: 20+39=59 Exploring Operation: 20+28=48, Resulting Numbers: [39, 48] Generated Node #0,3,1: 47:[39, 48] Operation: 20+28=48 Exploring Operation: 28+39=67, Resulting Numbers: [20, 67] Generated Node #0,3,2: 47:[20, 67] Operation: 28+39=67 Exploring Operation: 28-20=8, Resulting Numbers: [39, 8] Generated Node #0,3,3: 47:[39, 8] Operation: 28-20=8 Exploring Operation: 39-20=19, Resulting Numbers: [28, 19] Generated Node #0,3,4: 47:[28, 19] Operation: 39-20=19 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[39, 48], Operations: ['27+12=39', '20+28=48'] Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,47 unequal: No Solution Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[28, 59], Operations: ['27+12=39', '20+39=59'] Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,47 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[20, 67], Operations: ['27+12=39', '28+39=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[20, 27, 12, 28], Operations: [] Exploring Operation: 27+12=39, Resulting Numbers: [20, 28, 39] Generated Node #0,3: 47:[20, 28, 39] Operation: 27+12=39 Moving to Node #0,3 Current State: 47:[20, 28, 39], Operations: ['27+12=39'] Exploring Operation: 28+39=67, Resulting Numbers: [20, 67] Generated Node #0,3,2: 47:[20, 67] Operation: 28+39=67 Moving to Node #0,3,2 Current State: 47:[20, 67], Operations: ['27+12=39', '28+39=67'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 11, 40, 33, 26 ]
88
[ "40-11=29", "33+26=59", "29+59=88" ]
Current State: 88:[11, 40, 33, 26], Operations: [] Exploring Operation: 40-11=29, Resulting Numbers: [33, 26, 29] Generated Node #2: [33, 26, 29] from Operation: 40-11=29 Current State: 88:[33, 26, 29], Operations: ['40-11=29'] Exploring Operation: 33+26=59, Resulting Numbers: [29, 59] Generated Node #3: [29, 59] from Operation: 33+26=59 Current State: 88:[29, 59], Operations: ['40-11=29', '33+26=59'] Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[11, 40, 33, 26], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [11, 40, 7] Generated Node #0,0: 88:[11, 40, 7] Operation: 33-26=7 Exploring Operation: 40-33=7, Resulting Numbers: [11, 26, 7] Generated Node #0,1: 88:[11, 26, 7] Operation: 40-33=7 Moving to Node #0,0 Current State: 88:[11, 40, 7], Operations: ['33-26=7'] Exploring Operation: 11-7=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 88:[40, 4] Operation: 11-7=4 Exploring Operation: 40+7=47, Resulting Numbers: [11, 47] Generated Node #0,0,1: 88:[11, 47] Operation: 40+7=47 Moving to Node #0,1 Current State: 88:[11, 26, 7], Operations: ['40-33=7'] Exploring Operation: 11-7=4, Resulting Numbers: [26, 4] Generated Node #0,1,0: 88:[26, 4] Operation: 11-7=4 Exploring Operation: 26-7=19, Resulting Numbers: [11, 19] Generated Node #0,1,1: 88:[11, 19] Operation: 26-7=19 Moving to Node #0,0,1 Current State: 88:[11, 47], Operations: ['33-26=7', '40+7=47'] Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,88 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[11, 19], Operations: ['40-33=7', '26-7=19'] Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[40, 4], Operations: ['33-26=7', '11-7=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[26, 4], Operations: ['40-33=7', '11-7=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,88 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,88 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 44, 4, 6, 59 ]
10
[ "59-44=15", "4*15=60", "60/6=10" ]
Current State: 10:[44, 4, 6, 59], Operations: [] Exploring Operation: 59-44=15, Resulting Numbers: [4, 6, 15] Generated Node #2: [4, 6, 15] from Operation: 59-44=15 Current State: 10:[4, 6, 15], Operations: ['59-44=15'] Exploring Operation: 4*15=60, Resulting Numbers: [6, 60] Generated Node #3: [6, 60] from Operation: 4*15=60 Current State: 10:[6, 60], Operations: ['59-44=15', '4*15=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[44, 4, 6, 59], Operations: [] Exploring Operation: 59-6=53, Resulting Numbers: [44, 4, 53] Generated Node #0,0: 10:[44, 4, 53] Operation: 59-6=53 Exploring Operation: 44-4=40, Resulting Numbers: [6, 59, 40] Generated Node #0,1: 10:[6, 59, 40] Operation: 44-4=40 Exploring Operation: 59-44=15, Resulting Numbers: [4, 6, 15] Generated Node #0,2: 10:[4, 6, 15] Operation: 59-44=15 Exploring Operation: 44-6=38, Resulting Numbers: [4, 59, 38] Generated Node #0,3: 10:[4, 59, 38] Operation: 44-6=38 Exploring Operation: 44/4=11, Resulting Numbers: [6, 59, 11] Generated Node #0,4: 10:[6, 59, 11] Operation: 44/4=11 Moving to Node #0,2 Current State: 10:[4, 6, 15], Operations: ['59-44=15'] Exploring Operation: 15-6=9, Resulting Numbers: [4, 9] Generated Node #0,2,0: 10:[4, 9] Operation: 15-6=9 Exploring Operation: 15-4=11, Resulting Numbers: [6, 11] Generated Node #0,2,1: 10:[6, 11] Operation: 15-4=11 Exploring Operation: 4+15=19, Resulting Numbers: [6, 19] Generated Node #0,2,2: 10:[6, 19] Operation: 4+15=19 Exploring Operation: 4+6=10, Resulting Numbers: [15, 10] Generated Node #0,2,3: 10:[15, 10] Operation: 4+6=10 Exploring Operation: 6-4=2, Resulting Numbers: [15, 2] Generated Node #0,2,4: 10:[15, 2] Operation: 6-4=2 Moving to Node #0,4 Current State: 10:[6, 59, 11], Operations: ['44/4=11'] Exploring Operation: 59-11=48, Resulting Numbers: [6, 48] Generated Node #0,4,0: 10:[6, 48] Operation: 59-11=48 Exploring Operation: 6+11=17, Resulting Numbers: [59, 17] Generated Node #0,4,1: 10:[59, 17] Operation: 6+11=17 Exploring Operation: 59-6=53, Resulting Numbers: [11, 53] Generated Node #0,4,2: 10:[11, 53] Operation: 59-6=53 Exploring Operation: 11-6=5, Resulting Numbers: [59, 5] Generated Node #0,4,3: 10:[59, 5] Operation: 11-6=5 Exploring Operation: 6+59=65, Resulting Numbers: [11, 65] Generated Node #0,4,4: 10:[11, 65] Operation: 6+59=65 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 10:[6, 48], Operations: ['44/4=11', '59-11=48'] Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 6*48=288, Resulting Numbers: [288] 288,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 10:[11, 53], Operations: ['44/4=11', '59-6=53'] Exploring Operation: 11*53=583, Resulting Numbers: [583] 583,10 unequal: No Solution Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 10:[59, 5], Operations: ['44/4=11', '11-6=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,10 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 10:[59, 17], Operations: ['44/4=11', '6+11=17'] Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,10 unequal: No Solution Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[11, 65], Operations: ['44/4=11', '6+59=65'] Exploring Operation: 11+65=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 11*65=715, Resulting Numbers: [715] 715,10 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,10 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: 10:[44, 4, 53], Operations: ['59-6=53'] Exploring Operation: 44+4=48, Resulting Numbers: [53, 48] Generated Node #0,0,0: 10:[53, 48] Operation: 44+4=48 Exploring Operation: 44/4=11, Resulting Numbers: [53, 11] Generated Node #0,0,1: 10:[53, 11] Operation: 44/4=11 Exploring Operation: 53-44=9, Resulting Numbers: [4, 9] Generated Node #0,0,2: 10:[4, 9] Operation: 53-44=9 Exploring Operation: 53-4=49, Resulting Numbers: [44, 49] Generated Node #0,0,3: 10:[44, 49] Operation: 53-4=49 Exploring Operation: 44-4=40, Resulting Numbers: [53, 40] Generated Node #0,0,4: 10:[53, 40] Operation: 44-4=40 Moving to Node #0,3 Current State: 10:[4, 59, 38], Operations: ['44-6=38'] Exploring Operation: 59-38=21, Resulting Numbers: [4, 21] Generated Node #0,3,0: 10:[4, 21] Operation: 59-38=21 Exploring Operation: 38-4=34, Resulting Numbers: [59, 34] Generated Node #0,3,1: 10:[59, 34] Operation: 38-4=34 Exploring Operation: 4+38=42, Resulting Numbers: [59, 42] Generated Node #0,3,2: 10:[59, 42] Operation: 4+38=42 Exploring Operation: 4+59=63, Resulting Numbers: [38, 63] Generated Node #0,3,3: 10:[38, 63] Operation: 4+59=63 Exploring Operation: 59-4=55, Resulting Numbers: [38, 55] Generated Node #0,3,4: 10:[38, 55] Operation: 59-4=55 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[4, 21], Operations: ['44-6=38', '59-38=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[59, 34], Operations: ['44-6=38', '38-4=34'] Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,10 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 10:[38, 55], Operations: ['44-6=38', '59-4=55'] Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,10 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[59, 42], Operations: ['44-6=38', '4+38=42'] Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 59+42=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 59*42=2478, Resulting Numbers: [2478] 2478,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[38, 63], Operations: ['44-6=38', '4+59=63'] Exploring Operation: 38+63=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 38*63=2394, Resulting Numbers: [2394] 2394,10 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: 10:[6, 59, 40], Operations: ['44-4=40'] Exploring Operation: 6+40=46, Resulting Numbers: [59, 46] Generated Node #0,1,0: 10:[59, 46] Operation: 6+40=46 Exploring Operation: 59-6=53, Resulting Numbers: [40, 53] Generated Node #0,1,1: 10:[40, 53] Operation: 59-6=53 Exploring Operation: 40-6=34, Resulting Numbers: [59, 34] Generated Node #0,1,2: 10:[59, 34] Operation: 40-6=34 Exploring Operation: 59-40=19, Resulting Numbers: [6, 19] Generated Node #0,1,3: 10:[6, 19] Operation: 59-40=19 Exploring Operation: 6+59=65, Resulting Numbers: [40, 65] Generated Node #0,1,4: 10:[40, 65] Operation: 6+59=65 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[6, 19], Operations: ['44-4=40', '59-40=19'] Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,10 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[40, 53], Operations: ['44-4=40', '59-6=53'] Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 40*53=2120, Resulting Numbers: [2120] 2120,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[59, 34], Operations: ['44-4=40', '40-6=34'] Exploring Operation: 59-34=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 59+34=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 59*34=2006, Resulting Numbers: [2006] 2006,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[59, 46], Operations: ['44-4=40', '6+40=46'] Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 59*46=2714, Resulting Numbers: [2714] 2714,10 unequal: No Solution Exploring Operation: 59+46=105, Resulting Numbers: [105] 105,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 10:[40, 65], Operations: ['44-4=40', '6+59=65'] Exploring Operation: 40*65=2600, Resulting Numbers: [2600] 2600,10 unequal: No Solution Exploring Operation: 40+65=105, Resulting Numbers: [105] 105,10 unequal: No Solution Exploring Operation: 65-40=25, Resulting Numbers: [25] 25,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 10:[4, 9], Operations: ['59-44=15', '15-6=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[4, 9], Operations: ['59-6=53', '53-44=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[6, 11], Operations: ['59-44=15', '15-4=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[15, 10], Operations: ['59-44=15', '4+6=10'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,10 unequal: No Solution Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,2,4 Current State: 10:[15, 2], Operations: ['59-44=15', '6-4=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,10 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[6, 19], Operations: ['59-44=15', '4+15=19'] Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,10 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,10 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[53, 11], Operations: ['59-6=53', '44/4=11'] Exploring Operation: 53*11=583, Resulting Numbers: [583] 583,10 unequal: No Solution Exploring Operation: 53+11=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[53, 40], Operations: ['59-6=53', '44-4=40'] Exploring Operation: 53*40=2120, Resulting Numbers: [2120] 2120,10 unequal: No Solution Exploring Operation: 53+40=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 53-40=13, Resulting Numbers: [13] 13,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[44, 49], Operations: ['59-6=53', '53-4=49'] Exploring Operation: 44+49=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 44*49=2156, Resulting Numbers: [2156] 2156,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[53, 48], Operations: ['59-6=53', '44+4=48'] Exploring Operation: 53+48=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 53*48=2544, Resulting Numbers: [2544] 2544,10 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 26, 45, 95, 10 ]
12
[ "45+95=140", "140/10=14", "26-14=12" ]
Current State: 12:[26, 45, 95, 10], Operations: [] Exploring Operation: 45+95=140, Resulting Numbers: [26, 10, 140] Generated Node #2: [26, 10, 140] from Operation: 45+95=140 Current State: 12:[26, 10, 140], Operations: ['45+95=140'] Exploring Operation: 140/10=14, Resulting Numbers: [26, 14] Generated Node #3: [26, 14] from Operation: 140/10=14 Current State: 12:[26, 14], Operations: ['45+95=140', '140/10=14'] Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[26, 45, 95, 10], Operations: [] Exploring Operation: 95-45=50, Resulting Numbers: [26, 10, 50] Generated Node #0,0: 12:[26, 10, 50] Operation: 95-45=50 Moving to Node #0,0 Current State: 12:[26, 10, 50], Operations: ['95-45=50'] Exploring Operation: 50-26=24, Resulting Numbers: [10, 24] Generated Node #0,0,0: 12:[10, 24] Operation: 50-26=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[10, 24], Operations: ['95-45=50', '50-26=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,12 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
[ 25, 8, 54, 50 ]
38
[ "50/25=2", "8*2=16", "54-16=38" ]
Current State: 38:[25, 8, 54, 50], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [8, 54, 2] Generated Node #2: [8, 54, 2] from Operation: 50/25=2 Current State: 38:[8, 54, 2], Operations: ['50/25=2'] Exploring Operation: 8*2=16, Resulting Numbers: [54, 16] Generated Node #3: [54, 16] from Operation: 8*2=16 Current State: 38:[54, 16], Operations: ['50/25=2', '8*2=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[25, 8, 54, 50], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [25, 8, 4] Generated Node #0,0: 38:[25, 8, 4] Operation: 54-50=4 Exploring Operation: 50-8=42, Resulting Numbers: [25, 54, 42] Generated Node #0,1: 38:[25, 54, 42] Operation: 50-8=42 Exploring Operation: 50/25=2, Resulting Numbers: [8, 54, 2] Generated Node #0,2: 38:[8, 54, 2] Operation: 50/25=2 Exploring Operation: 54-8=46, Resulting Numbers: [25, 50, 46] Generated Node #0,3: 38:[25, 50, 46] Operation: 54-8=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[25, 8, 4], Operations: ['54-50=4'] Exploring Operation: 25-8=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 38:[4, 17] Operation: 25-8=17 Exploring Operation: 25+8=33, Resulting Numbers: [4, 33] Generated Node #0,0,1: 38:[4, 33] Operation: 25+8=33 Exploring Operation: 25-4=21, Resulting Numbers: [8, 21] Generated Node #0,0,2: 38:[8, 21] Operation: 25-4=21 Exploring Operation: 8/4=2, Resulting Numbers: [25, 2] Generated Node #0,0,3: 38:[25, 2] Operation: 8/4=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[4, 17], Operations: ['54-50=4', '25-8=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,38 unequal: No Solution No 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: 38:[25, 2], Operations: ['54-50=4', '8/4=2'] Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,38 unequal: No Solution No 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: 38:[4, 33], Operations: ['54-50=4', '25+8=33'] Exploring Operation: 4+33=37, Resulting Numbers: [37] 37,38 unequal: No Solution Exploring Operation: 4*33=132, Resulting Numbers: [132] 132,38 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,38 unequal: No Solution No 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: 38:[8, 21], Operations: ['54-50=4', '25-4=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,38 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,38 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: 38:[8, 54, 2], Operations: ['50/25=2'] Exploring Operation: 54/2=27, Resulting Numbers: [8, 27] Generated Node #0,2,0: 38:[8, 27] Operation: 54/2=27 Exploring Operation: 54-8=46, Resulting Numbers: [2, 46] Generated Node #0,2,1: 38:[2, 46] Operation: 54-8=46 Exploring Operation: 8/2=4, Resulting Numbers: [54, 4] Generated Node #0,2,2: 38:[54, 4] Operation: 8/2=4 Exploring Operation: 8*2=16, Resulting Numbers: [54, 16] Generated Node #0,2,3: 38:[54, 16] Operation: 8*2=16 Moving to Node #0,2,1 Current State: 38:[2, 46], Operations: ['50/25=2', '54-8=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,38 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[8, 27], Operations: ['50/25=2', '54/2=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,38 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,38 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[54, 4], Operations: ['50/25=2', '8/2=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,38 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,38 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[54, 16], Operations: ['50/25=2', '8*2=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[25, 8, 54, 50], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [8, 54, 2] Generated Node #0,2: 38:[8, 54, 2] Operation: 50/25=2 Moving to Node #0,2 Current State: 38:[8, 54, 2], Operations: ['50/25=2'] Exploring Operation: 8*2=16, Resulting Numbers: [54, 16] Generated Node #0,2,3: 38:[54, 16] Operation: 8*2=16 Moving to Node #0,2,3 Current State: 38:[54, 16], Operations: ['50/25=2', '8*2=16'] Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
mult_heuristic
[ 1, 2, 4, 14 ]
20
[ "1*2=2", "4+14=18", "2+18=20" ]
Current State: 20:[1, 2, 4, 14], Operations: [] Exploring Operation: 1*2=2, Resulting Numbers: [4, 14, 2] Generated Node #2: [4, 14, 2] from Operation: 1*2=2 Current State: 20:[4, 14, 2], Operations: ['1*2=2'] Exploring Operation: 4+14=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 4+14=18 Current State: 20:[2, 18], Operations: ['1*2=2', '4+14=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[1, 2, 4, 14], Operations: [] Exploring Operation: 14-4=10, Resulting Numbers: [1, 2, 10] Generated Node #0,0: 20:[1, 2, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[1, 2, 10], Operations: ['14-4=10'] Exploring Operation: 1*2=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 20:[10, 2] Operation: 1*2=2 Moving to Node #0,0,0 Current State: 20:[10, 2], Operations: ['14-4=10', '1*2=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[1, 2, 4, 14], Operations: [] Exploring Operation: 14-4=10, Resulting Numbers: [1, 2, 10] Generated Node #0,0: 20:[1, 2, 10] Operation: 14-4=10 Moving to Node #0,0 Current State: 20:[1, 2, 10], Operations: ['14-4=10'] Exploring Operation: 1*2=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 20:[10, 2] Operation: 1*2=2 Moving to Node #0,0,0 Current State: 20:[10, 2], Operations: ['14-4=10', '1*2=2'] Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 66, 27, 80, 2 ]
43
[ "66-27=39", "80+2=82", "82-39=43" ]
Current State: 43:[66, 27, 80, 2], Operations: [] Exploring Operation: 66-27=39, Resulting Numbers: [80, 2, 39] Generated Node #2: [80, 2, 39] from Operation: 66-27=39 Current State: 43:[80, 2, 39], Operations: ['66-27=39'] Exploring Operation: 80+2=82, Resulting Numbers: [39, 82] Generated Node #3: [39, 82] from Operation: 80+2=82 Current State: 43:[39, 82], Operations: ['66-27=39', '80+2=82'] Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[66, 27, 80, 2], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [66, 27, 40] Generated Node #0,0: 43:[66, 27, 40] Operation: 80/2=40 Moving to Node #0,0 Current State: 43:[66, 27, 40], Operations: ['80/2=40'] Exploring Operation: 66-27=39, Resulting Numbers: [40, 39] Generated Node #0,0,0: 43:[40, 39] Operation: 66-27=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[40, 39], Operations: ['80/2=40', '66-27=39'] Exploring Operation: 40+39=79, Resulting Numbers: [79] 79,43 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
[ 20, 77, 22, 78 ]
76
[ "22-20=2", "77*2=154", "154-78=76" ]
Current State: 76:[20, 77, 22, 78], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [77, 78, 2] Generated Node #2: [77, 78, 2] from Operation: 22-20=2 Current State: 76:[77, 78, 2], Operations: ['22-20=2'] Exploring Operation: 77*2=154, Resulting Numbers: [78, 154] Generated Node #3: [78, 154] from Operation: 77*2=154 Current State: 76:[78, 154], Operations: ['22-20=2', '77*2=154'] Exploring Operation: 154-78=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[20, 77, 22, 78], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [20, 22, 1] Generated Node #0,0: 76:[20, 22, 1] Operation: 78-77=1 Exploring Operation: 20+22=42, Resulting Numbers: [77, 78, 42] Generated Node #0,1: 76:[77, 78, 42] Operation: 20+22=42 Exploring Operation: 78-22=56, Resulting Numbers: [20, 77, 56] Generated Node #0,2: 76:[20, 77, 56] Operation: 78-22=56 Exploring Operation: 22-20=2, Resulting Numbers: [77, 78, 2] Generated Node #0,3: 76:[77, 78, 2] Operation: 22-20=2 Exploring Operation: 77-22=55, Resulting Numbers: [20, 78, 55] Generated Node #0,4: 76:[20, 78, 55] Operation: 77-22=55 Moving to Node #0,3 Current State: 76:[77, 78, 2], Operations: ['22-20=2'] Exploring Operation: 77-2=75, Resulting Numbers: [78, 75] Generated Node #0,3,0: 76:[78, 75] Operation: 77-2=75 Exploring Operation: 78-77=1, Resulting Numbers: [2, 1] Generated Node #0,3,1: 76:[2, 1] Operation: 78-77=1 Exploring Operation: 77+2=79, Resulting Numbers: [78, 79] Generated Node #0,3,2: 76:[78, 79] Operation: 77+2=79 Exploring Operation: 78/2=39, Resulting Numbers: [77, 39] Generated Node #0,3,3: 76:[77, 39] Operation: 78/2=39 Exploring Operation: 78-2=76, Resulting Numbers: [77, 76] Generated Node #0,3,4: 76:[77, 76] Operation: 78-2=76 Moving to Node #0,0 Current State: 76:[20, 22, 1], Operations: ['78-77=1'] Exploring Operation: 22-20=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 76:[1, 2] Operation: 22-20=2 Exploring Operation: 20-1=19, Resulting Numbers: [22, 19] Generated Node #0,0,1: 76:[22, 19] Operation: 20-1=19 Exploring Operation: 22-1=21, Resulting Numbers: [20, 21] Generated Node #0,0,2: 76:[20, 21] Operation: 22-1=21 Exploring Operation: 20*1=20, Resulting Numbers: [22, 20] Generated Node #0,0,3: 76:[22, 20] Operation: 20*1=20 Exploring Operation: 20/1=20, Resulting Numbers: [22, 20] Generated Node #0,0,4: 76:[22, 20] Operation: 20/1=20 Moving to Node #0,1 Current State: 76:[77, 78, 42], Operations: ['20+22=42'] Exploring Operation: 78-77=1, Resulting Numbers: [42, 1] Generated Node #0,1,0: 76:[42, 1] Operation: 78-77=1 Exploring Operation: 77+42=119, Resulting Numbers: [78, 119] Generated Node #0,1,1: 76:[78, 119] Operation: 77+42=119 Exploring Operation: 78+42=120, Resulting Numbers: [77, 120] Generated Node #0,1,2: 76:[77, 120] Operation: 78+42=120 Exploring Operation: 77-42=35, Resulting Numbers: [78, 35] Generated Node #0,1,3: 76:[78, 35] Operation: 77-42=35 Exploring Operation: 78-42=36, Resulting Numbers: [77, 36] Generated Node #0,1,4: 76:[77, 36] Operation: 78-42=36 Moving to Node #0,2 Current State: 76:[20, 77, 56], Operations: ['78-22=56'] Exploring Operation: 20+77=97, Resulting Numbers: [56, 97] Generated Node #0,2,0: 76:[56, 97] Operation: 20+77=97 Exploring Operation: 56-20=36, Resulting Numbers: [77, 36] Generated Node #0,2,1: 76:[77, 36] Operation: 56-20=36 Exploring Operation: 20+56=76, Resulting Numbers: [77, 76] Generated Node #0,2,2: 76:[77, 76] Operation: 20+56=76 Exploring Operation: 77-20=57, Resulting Numbers: [56, 57] Generated Node #0,2,3: 76:[56, 57] Operation: 77-20=57 Exploring Operation: 77-56=21, Resulting Numbers: [20, 21] Generated Node #0,2,4: 76:[20, 21] Operation: 77-56=21 Moving to Node #0,4 Current State: 76:[20, 78, 55], Operations: ['77-22=55'] Exploring Operation: 55-20=35, Resulting Numbers: [78, 35] Generated Node #0,4,0: 76:[78, 35] Operation: 55-20=35 Exploring Operation: 20+55=75, Resulting Numbers: [78, 75] Generated Node #0,4,1: 76:[78, 75] Operation: 20+55=75 Exploring Operation: 78-55=23, Resulting Numbers: [20, 23] Generated Node #0,4,2: 76:[20, 23] Operation: 78-55=23 Exploring Operation: 20+78=98, Resulting Numbers: [55, 98] Generated Node #0,4,3: 76:[55, 98] Operation: 20+78=98 Exploring Operation: 78-20=58, Resulting Numbers: [55, 58] Generated Node #0,4,4: 76:[55, 58] Operation: 78-20=58 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 76:[78, 75], Operations: ['77-22=55', '20+55=75'] Exploring Operation: 78+75=153, Resulting Numbers: [153] 153,76 unequal: No Solution Exploring Operation: 78*75=5850, Resulting Numbers: [5850] 5850,76 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,76 unequal: No Solution No 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: 76:[78, 35], Operations: ['77-22=55', '55-20=35'] Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 78+35=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 78*35=2730, Resulting Numbers: [2730] 2730,76 unequal: No Solution No 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: 76:[20, 23], Operations: ['77-22=55', '78-55=23'] Exploring Operation: 20+23=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 23-20=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 20*23=460, Resulting Numbers: [460] 460,76 unequal: No Solution No 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: 76:[55, 58], Operations: ['77-22=55', '78-20=58'] Exploring Operation: 55+58=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 55*58=3190, Resulting Numbers: [3190] 3190,76 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,76 unequal: No Solution No 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: 76:[55, 98], Operations: ['77-22=55', '20+78=98'] Exploring Operation: 98-55=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 55+98=153, Resulting Numbers: [153] 153,76 unequal: No Solution Exploring Operation: 55*98=5390, Resulting Numbers: [5390] 5390,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 76:[2, 1], Operations: ['22-20=2', '78-77=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[1, 2], Operations: ['78-77=1', '22-20=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[77, 76], Operations: ['22-20=2', '78-2=76'] Exploring Operation: 77*76=5852, Resulting Numbers: [5852] 5852,76 unequal: No Solution Exploring Operation: 77+76=153, Resulting Numbers: [153] 153,76 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[77, 76], Operations: ['78-22=56', '20+56=76'] Exploring Operation: 77*76=5852, Resulting Numbers: [5852] 5852,76 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 77+76=153, Resulting Numbers: [153] 153,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[77, 39], Operations: ['22-20=2', '78/2=39'] Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,76 unequal: No Solution Exploring Operation: 77*39=3003, Resulting Numbers: [3003] 3003,76 unequal: No Solution Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[22, 19], Operations: ['78-77=1', '20-1=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[77, 36], Operations: ['78-22=56', '56-20=36'] Exploring Operation: 77+36=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 77*36=2772, Resulting Numbers: [2772] 2772,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[20, 21], Operations: ['78-77=1', '22-1=21'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[77, 36], Operations: ['20+22=42', '78-42=36'] Exploring Operation: 77*36=2772, Resulting Numbers: [2772] 2772,76 unequal: No Solution Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 77+36=113, Resulting Numbers: [113] 113,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[20, 21], Operations: ['78-22=56', '77-56=21'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,76 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,76 unequal: No Solution Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[78, 75], Operations: ['22-20=2', '77-2=75'] Exploring Operation: 78*75=5850, Resulting Numbers: [5850] 5850,76 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 78+75=153, Resulting Numbers: [153] 153,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[22, 20], Operations: ['78-77=1', '20/1=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[22, 20], Operations: ['78-77=1', '20*1=20'] Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,76 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[78, 35], Operations: ['20+22=42', '77-42=35'] Exploring Operation: 78+35=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 78-35=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 78*35=2730, Resulting Numbers: [2730] 2730,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[42, 1], Operations: ['20+22=42', '78-77=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,76 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[78, 79], Operations: ['22-20=2', '77+2=79'] Exploring Operation: 78*79=6162, Resulting Numbers: [6162] 6162,76 unequal: No Solution Exploring Operation: 78+79=157, Resulting Numbers: [157] 157,76 unequal: No Solution Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[56, 57], Operations: ['78-22=56', '77-20=57'] Exploring Operation: 56*57=3192, Resulting Numbers: [3192] 3192,76 unequal: No Solution Exploring Operation: 56+57=113, Resulting Numbers: [113] 113,76 unequal: No Solution Exploring Operation: 57-56=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[56, 97], Operations: ['78-22=56', '20+77=97'] Exploring Operation: 56*97=5432, Resulting Numbers: [5432] 5432,76 unequal: No Solution Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 56+97=153, Resulting Numbers: [153] 153,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[78, 119], Operations: ['20+22=42', '77+42=119'] Exploring Operation: 78+119=197, Resulting Numbers: [197] 197,76 unequal: No Solution Exploring Operation: 78*119=9282, Resulting Numbers: [9282] 9282,76 unequal: No Solution Exploring Operation: 119-78=41, Resulting Numbers: [41] 41,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[77, 120], Operations: ['20+22=42', '78+42=120'] Exploring Operation: 120-77=43, Resulting Numbers: [43] 43,76 unequal: No Solution Exploring Operation: 77+120=197, Resulting Numbers: [197] 197,76 unequal: No Solution Exploring Operation: 77*120=9240, Resulting Numbers: [9240] 9240,76 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 74, 15, 13, 92 ]
39
[ "74+15=89", "92-89=3", "13*3=39" ]
Current State: 39:[74, 15, 13, 92], Operations: [] Exploring Operation: 74+15=89, Resulting Numbers: [13, 92, 89] Generated Node #2: [13, 92, 89] from Operation: 74+15=89 Current State: 39:[13, 92, 89], Operations: ['74+15=89'] Exploring Operation: 92-89=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 92-89=3 Current State: 39:[13, 3], Operations: ['74+15=89', '92-89=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[74, 15, 13, 92], Operations: [] Exploring Operation: 74-15=59, Resulting Numbers: [13, 92, 59] Generated Node #0,0: 39:[13, 92, 59] Operation: 74-15=59 Exploring Operation: 92-74=18, Resulting Numbers: [15, 13, 18] Generated Node #0,1: 39:[15, 13, 18] Operation: 92-74=18 Moving to Node #0,1 Current State: 39:[15, 13, 18], Operations: ['92-74=18'] Exploring Operation: 18-13=5, Resulting Numbers: [15, 5] Generated Node #0,1,0: 39:[15, 5] Operation: 18-13=5 Exploring Operation: 18-15=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 39:[13, 3] Operation: 18-15=3 Moving to Node #0,0 Current State: 39:[13, 92, 59], Operations: ['74-15=59'] Exploring Operation: 92-59=33, Resulting Numbers: [13, 33] Generated Node #0,0,0: 39:[13, 33] Operation: 92-59=33 Exploring Operation: 92-13=79, Resulting Numbers: [59, 79] Generated Node #0,0,1: 39:[59, 79] Operation: 92-13=79 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[13, 33], Operations: ['74-15=59', '92-59=33'] Exploring Operation: 13+33=46, Resulting Numbers: [46] 46,39 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,39 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 #0,0,1 Current State: 39:[59, 79], Operations: ['74-15=59', '92-13=79'] Exploring Operation: 59+79=138, Resulting Numbers: [138] 138,39 unequal: No Solution Exploring Operation: 79-59=20, Resulting Numbers: [20] 20,39 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: 39:[13, 3], Operations: ['92-74=18', '18-15=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[74, 15, 13, 92], Operations: [] Exploring Operation: 92-74=18, Resulting Numbers: [15, 13, 18] Generated Node #0,1: 39:[15, 13, 18] Operation: 92-74=18 Moving to Node #0,1 Current State: 39:[15, 13, 18], Operations: ['92-74=18'] Exploring Operation: 18-15=3, Resulting Numbers: [13, 3] Generated Node #0,1,1: 39:[13, 3] Operation: 18-15=3 Moving to Node #0,1,1 Current State: 39:[13, 3], Operations: ['92-74=18', '18-15=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 22, 66, 93, 81 ]
66
[ "66/22=3", "81/3=27", "93-27=66" ]
Current State: 66:[22, 66, 93, 81], Operations: [] Exploring Operation: 66/22=3, Resulting Numbers: [93, 81, 3] Generated Node #2: [93, 81, 3] from Operation: 66/22=3 Current State: 66:[93, 81, 3], Operations: ['66/22=3'] Exploring Operation: 81/3=27, Resulting Numbers: [93, 27] Generated Node #3: [93, 27] from Operation: 81/3=27 Current State: 66:[93, 27], Operations: ['66/22=3', '81/3=27'] Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[22, 66, 93, 81], Operations: [] Exploring Operation: 81-66=15, Resulting Numbers: [22, 93, 15] Generated Node #0,0: 66:[22, 93, 15] Operation: 81-66=15 Exploring Operation: 93-22=71, Resulting Numbers: [66, 81, 71] Generated Node #0,1: 66:[66, 81, 71] Operation: 93-22=71 Exploring Operation: 93-81=12, Resulting Numbers: [22, 66, 12] Generated Node #0,2: 66:[22, 66, 12] Operation: 93-81=12 Exploring Operation: 93-66=27, Resulting Numbers: [22, 81, 27] Generated Node #0,3: 66:[22, 81, 27] Operation: 93-66=27 Moving to Node #0,2 Current State: 66:[22, 66, 12], Operations: ['93-81=12'] Exploring Operation: 66-22=44, Resulting Numbers: [12, 44] Generated Node #0,2,0: 66:[12, 44] Operation: 66-22=44 Exploring Operation: 66/22=3, Resulting Numbers: [12, 3] Generated Node #0,2,1: 66:[12, 3] Operation: 66/22=3 Exploring Operation: 22-12=10, Resulting Numbers: [66, 10] Generated Node #0,2,2: 66:[66, 10] Operation: 22-12=10 Exploring Operation: 22+12=34, Resulting Numbers: [66, 34] Generated Node #0,2,3: 66:[66, 34] Operation: 22+12=34 Moving to Node #0,3 Current State: 66:[22, 81, 27], Operations: ['93-66=27'] Exploring Operation: 81-22=59, Resulting Numbers: [27, 59] Generated Node #0,3,0: 66:[27, 59] Operation: 81-22=59 Exploring Operation: 81-27=54, Resulting Numbers: [22, 54] Generated Node #0,3,1: 66:[22, 54] Operation: 81-27=54 Exploring Operation: 81/27=3, Resulting Numbers: [22, 3] Generated Node #0,3,2: 66:[22, 3] Operation: 81/27=3 Exploring Operation: 27-22=5, Resulting Numbers: [81, 5] Generated Node #0,3,3: 66:[81, 5] Operation: 27-22=5 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[22, 3], Operations: ['93-66=27', '81/27=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[22, 66, 93, 81], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [22, 81, 27] Generated Node #0,3: 66:[22, 81, 27] Operation: 93-66=27 Moving to Node #0,3 Current State: 66:[22, 81, 27], Operations: ['93-66=27'] Exploring Operation: 81/27=3, Resulting Numbers: [22, 3] Generated Node #0,3,2: 66:[22, 3] Operation: 81/27=3 Moving to Node #0,3,2 Current State: 66:[22, 3], Operations: ['93-66=27', '81/27=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 70, 22, 30, 69 ]
87
[ "70-22=48", "69-30=39", "48+39=87" ]
Current State: 87:[70, 22, 30, 69], Operations: [] Exploring Operation: 70-22=48, Resulting Numbers: [30, 69, 48] Generated Node #2: [30, 69, 48] from Operation: 70-22=48 Current State: 87:[30, 69, 48], Operations: ['70-22=48'] Exploring Operation: 69-30=39, Resulting Numbers: [48, 39] Generated Node #3: [48, 39] from Operation: 69-30=39 Current State: 87:[48, 39], Operations: ['70-22=48', '69-30=39'] Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[70, 22, 30, 69], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [22, 30, 1] Generated Node #0,0: 87:[22, 30, 1] Operation: 70-69=1 Moving to Node #0,0 Current State: 87:[22, 30, 1], Operations: ['70-69=1'] Exploring Operation: 30-22=8, Resulting Numbers: [1, 8] Generated Node #0,0,0: 87:[1, 8] Operation: 30-22=8 Moving to Node #0,0,0 Current State: 87:[1, 8], Operations: ['70-69=1', '30-22=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,87 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 45, 5, 40, 75 ]
85
[ "45+5=50", "75-40=35", "50+35=85" ]
Current State: 85:[45, 5, 40, 75], Operations: [] Exploring Operation: 45+5=50, Resulting Numbers: [40, 75, 50] Generated Node #2: [40, 75, 50] from Operation: 45+5=50 Current State: 85:[40, 75, 50], Operations: ['45+5=50'] Exploring Operation: 75-40=35, Resulting Numbers: [50, 35] Generated Node #3: [50, 35] from Operation: 75-40=35 Current State: 85:[50, 35], Operations: ['45+5=50', '75-40=35'] Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[45, 5, 40, 75], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [5, 75, 5] Generated Node #0,0: 85:[5, 75, 5] Operation: 45-40=5 Exploring Operation: 45+40=85, Resulting Numbers: [5, 75, 85] Generated Node #0,1: 85:[5, 75, 85] Operation: 45+40=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[5, 75, 5], Operations: ['45-40=5'] Exploring Operation: 75/5=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 85:[5, 15] Operation: 75/5=15 Exploring Operation: 75/5=15, Resulting Numbers: [5, 15] Generated Node #0,0,1: 85:[5, 15] Operation: 75/5=15 Moving to Node #0,0,0 Current State: 85:[5, 15], Operations: ['45-40=5', '75/5=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[5, 15], Operations: ['45-40=5', '75/5=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[5, 75, 85], Operations: ['45+40=85'] Exploring Operation: 5+75=80, Resulting Numbers: [85, 80] Generated Node #0,1,0: 85:[85, 80] Operation: 5+75=80 Exploring Operation: 75/5=15, Resulting Numbers: [85, 15] Generated Node #0,1,1: 85:[85, 15] Operation: 75/5=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[85, 15], Operations: ['45+40=85', '75/5=15'] Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,85 unequal: No Solution Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,85 unequal: No Solution No 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: 85:[85, 80], Operations: ['45+40=85', '5+75=80'] Exploring Operation: 85+80=165, Resulting Numbers: [165] 165,85 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,85 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
[ 76, 88, 44, 57 ]
25
[ "88-76=12", "57-44=13", "12+13=25" ]
Current State: 25:[76, 88, 44, 57], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [44, 57, 12] Generated Node #2: [44, 57, 12] from Operation: 88-76=12 Current State: 25:[44, 57, 12], Operations: ['88-76=12'] Exploring Operation: 57-44=13, Resulting Numbers: [12, 13] Generated Node #3: [12, 13] from Operation: 57-44=13 Current State: 25:[12, 13], Operations: ['88-76=12', '57-44=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[76, 88, 44, 57], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [76, 57, 2] Generated Node #0,0: 25:[76, 57, 2] Operation: 88/44=2 Exploring Operation: 88-76=12, Resulting Numbers: [44, 57, 12] Generated Node #0,1: 25:[44, 57, 12] Operation: 88-76=12 Exploring Operation: 76-57=19, Resulting Numbers: [88, 44, 19] Generated Node #0,2: 25:[88, 44, 19] Operation: 76-57=19 Exploring Operation: 76-44=32, Resulting Numbers: [88, 57, 32] Generated Node #0,3: 25:[88, 57, 32] Operation: 76-44=32 Exploring Operation: 88-57=31, Resulting Numbers: [76, 44, 31] Generated Node #0,4: 25:[76, 44, 31] Operation: 88-57=31 Moving to Node #0,1 Current State: 25:[44, 57, 12], Operations: ['88-76=12'] Exploring Operation: 57+12=69, Resulting Numbers: [44, 69] Generated Node #0,1,0: 25:[44, 69] Operation: 57+12=69 Exploring Operation: 57-44=13, Resulting Numbers: [12, 13] Generated Node #0,1,1: 25:[12, 13] Operation: 57-44=13 Exploring Operation: 44+12=56, Resulting Numbers: [57, 56] Generated Node #0,1,2: 25:[57, 56] Operation: 44+12=56 Exploring Operation: 57-12=45, Resulting Numbers: [44, 45] Generated Node #0,1,3: 25:[44, 45] Operation: 57-12=45 Exploring Operation: 44-12=32, Resulting Numbers: [57, 32] Generated Node #0,1,4: 25:[57, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[12, 13], Operations: ['88-76=12', '57-44=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[76, 88, 44, 57], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [44, 57, 12] Generated Node #0,1: 25:[44, 57, 12] Operation: 88-76=12 Moving to Node #0,1 Current State: 25:[44, 57, 12], Operations: ['88-76=12'] Exploring Operation: 57-44=13, Resulting Numbers: [12, 13] Generated Node #0,1,1: 25:[12, 13] Operation: 57-44=13 Moving to Node #0,1,1 Current State: 25:[12, 13], Operations: ['88-76=12', '57-44=13'] Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 7, 55, 30, 76 ]
27
[ "76-55=21", "21/7=3", "30-3=27" ]
Current State: 27:[7, 55, 30, 76], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [7, 30, 21] Generated Node #2: [7, 30, 21] from Operation: 76-55=21 Current State: 27:[7, 30, 21], Operations: ['76-55=21'] Exploring Operation: 21/7=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 21/7=3 Current State: 27:[30, 3], Operations: ['76-55=21', '21/7=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[7, 55, 30, 76], Operations: [] Exploring Operation: 55-30=25, Resulting Numbers: [7, 76, 25] Generated Node #0,0: 27:[7, 76, 25] Operation: 55-30=25 Exploring Operation: 76-7=69, Resulting Numbers: [55, 30, 69] Generated Node #0,1: 27:[55, 30, 69] Operation: 76-7=69 Exploring Operation: 76-30=46, Resulting Numbers: [7, 55, 46] Generated Node #0,2: 27:[7, 55, 46] Operation: 76-30=46 Exploring Operation: 55-7=48, Resulting Numbers: [30, 76, 48] Generated Node #0,3: 27:[30, 76, 48] Operation: 55-7=48 Exploring Operation: 76-55=21, Resulting Numbers: [7, 30, 21] Generated Node #0,4: 27:[7, 30, 21] Operation: 76-55=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[7, 30, 21], Operations: ['76-55=21'] Exploring Operation: 7+21=28, Resulting Numbers: [30, 28] Generated Node #0,4,0: 27:[30, 28] Operation: 7+21=28 Exploring Operation: 30-7=23, Resulting Numbers: [21, 23] Generated Node #0,4,1: 27:[21, 23] Operation: 30-7=23 Exploring Operation: 21/7=3, Resulting Numbers: [30, 3] Generated Node #0,4,2: 27:[30, 3] Operation: 21/7=3 Exploring Operation: 30-21=9, Resulting Numbers: [7, 9] Generated Node #0,4,3: 27:[7, 9] Operation: 30-21=9 Exploring Operation: 21-7=14, Resulting Numbers: [30, 14] Generated Node #0,4,4: 27:[30, 14] Operation: 21-7=14 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 27:[7, 9], Operations: ['76-55=21', '30-21=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,27 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 27:[30, 3], Operations: ['76-55=21', '21/7=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,27 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[7, 55, 30, 76], Operations: [] Exploring Operation: 76-55=21, Resulting Numbers: [7, 30, 21] Generated Node #0,4: 27:[7, 30, 21] Operation: 76-55=21 Moving to Node #0,4 Current State: 27:[7, 30, 21], Operations: ['76-55=21'] Exploring Operation: 21/7=3, Resulting Numbers: [30, 3] Generated Node #0,4,2: 27:[30, 3] Operation: 21/7=3 Moving to Node #0,4,2 Current State: 27:[30, 3], Operations: ['76-55=21', '21/7=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 25, 82, 4, 75 ]
93
[ "25*4=100", "82-75=7", "100-7=93" ]
Current State: 93:[25, 82, 4, 75], Operations: [] Exploring Operation: 25*4=100, Resulting Numbers: [82, 75, 100] Generated Node #2: [82, 75, 100] from Operation: 25*4=100 Current State: 93:[82, 75, 100], Operations: ['25*4=100'] Exploring Operation: 82-75=7, Resulting Numbers: [100, 7] Generated Node #3: [100, 7] from Operation: 82-75=7 Current State: 93:[100, 7], Operations: ['25*4=100', '82-75=7'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[25, 82, 4, 75], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [25, 4, 7] Generated Node #0,0: 93:[25, 4, 7] Operation: 82-75=7 Exploring Operation: 75/25=3, Resulting Numbers: [82, 4, 3] Generated Node #0,1: 93:[82, 4, 3] Operation: 75/25=3 Moving to Node #0,0 Current State: 93:[25, 4, 7], Operations: ['82-75=7'] Exploring Operation: 25+4=29, Resulting Numbers: [7, 29] Generated Node #0,0,0: 93:[7, 29] Operation: 25+4=29 Exploring Operation: 25+7=32, Resulting Numbers: [4, 32] Generated Node #0,0,1: 93:[4, 32] Operation: 25+7=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[4, 32], Operations: ['82-75=7', '25+7=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[7, 29], Operations: ['82-75=7', '25+4=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[82, 4, 3], Operations: ['75/25=3'] Exploring Operation: 82+4=86, Resulting Numbers: [3, 86] Generated Node #0,1,0: 93:[3, 86] Operation: 82+4=86 Exploring Operation: 82+3=85, Resulting Numbers: [4, 85] Generated Node #0,1,1: 93:[4, 85] Operation: 82+3=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[3, 86], Operations: ['75/25=3', '82+4=86'] Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,93 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 #0,1,1 Current State: 93:[4, 85], Operations: ['75/25=3', '82+3=85'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 4+85=89, Resulting Numbers: [89] 89,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 9, 84, 21, 49 ]
36
[ "49-9=40", "84/21=4", "40-4=36" ]
Current State: 36:[9, 84, 21, 49], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [84, 21, 40] Generated Node #2: [84, 21, 40] from Operation: 49-9=40 Current State: 36:[84, 21, 40], Operations: ['49-9=40'] Exploring Operation: 84/21=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 84/21=4 Current State: 36:[40, 4], Operations: ['49-9=40', '84/21=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[9, 84, 21, 49], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [9, 49, 63] Generated Node #0,0: 36:[9, 49, 63] Operation: 84-21=63 Exploring Operation: 84-9=75, Resulting Numbers: [21, 49, 75] Generated Node #0,1: 36:[21, 49, 75] Operation: 84-9=75 Exploring Operation: 84-49=35, Resulting Numbers: [9, 21, 35] Generated Node #0,2: 36:[9, 21, 35] Operation: 84-49=35 Exploring Operation: 84/21=4, Resulting Numbers: [9, 49, 4] Generated Node #0,3: 36:[9, 49, 4] Operation: 84/21=4 Moving to Node #0,2 Current State: 36:[9, 21, 35], Operations: ['84-49=35'] Exploring Operation: 9+35=44, Resulting Numbers: [21, 44] Generated Node #0,2,0: 36:[21, 44] Operation: 9+35=44 Exploring Operation: 35-21=14, Resulting Numbers: [9, 14] Generated Node #0,2,1: 36:[9, 14] Operation: 35-21=14 Exploring Operation: 21-9=12, Resulting Numbers: [35, 12] Generated Node #0,2,2: 36:[35, 12] Operation: 21-9=12 Exploring Operation: 9+21=30, Resulting Numbers: [35, 30] Generated Node #0,2,3: 36:[35, 30] Operation: 9+21=30 Moving to Node #0,3 Current State: 36:[9, 49, 4], Operations: ['84/21=4'] Exploring Operation: 9*4=36, Resulting Numbers: [49, 36] Generated Node #0,3,0: 36:[49, 36] Operation: 9*4=36 Exploring Operation: 49-9=40, Resulting Numbers: [4, 40] Generated Node #0,3,1: 36:[4, 40] Operation: 49-9=40 Exploring Operation: 49-4=45, Resulting Numbers: [9, 45] Generated Node #0,3,2: 36:[9, 45] Operation: 49-4=45 Exploring Operation: 9+4=13, Resulting Numbers: [49, 13] Generated Node #0,3,3: 36:[49, 13] Operation: 9+4=13 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[4, 40], Operations: ['84/21=4', '49-9=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[9, 84, 21, 49], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [9, 49, 4] Generated Node #0,3: 36:[9, 49, 4] Operation: 84/21=4 Moving to Node #0,3 Current State: 36:[9, 49, 4], Operations: ['84/21=4'] Exploring Operation: 49-9=40, Resulting Numbers: [4, 40] Generated Node #0,3,1: 36:[4, 40] Operation: 49-9=40 Moving to Node #0,3,1 Current State: 36:[4, 40], Operations: ['84/21=4', '49-9=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
sum_heuristic
[ 9, 85, 98, 43 ]
47
[ "9+85=94", "98+43=141", "141-94=47" ]
Current State: 47:[9, 85, 98, 43], Operations: [] Exploring Operation: 9+85=94, Resulting Numbers: [98, 43, 94] Generated Node #2: [98, 43, 94] from Operation: 9+85=94 Current State: 47:[98, 43, 94], Operations: ['9+85=94'] Exploring Operation: 98+43=141, Resulting Numbers: [94, 141] Generated Node #3: [94, 141] from Operation: 98+43=141 Current State: 47:[94, 141], Operations: ['9+85=94', '98+43=141'] Exploring Operation: 141-94=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[9, 85, 98, 43], Operations: [] Exploring Operation: 98-9=89, Resulting Numbers: [85, 43, 89] Generated Node #0,0: 47:[85, 43, 89] Operation: 98-9=89 Exploring Operation: 98-85=13, Resulting Numbers: [9, 43, 13] Generated Node #0,1: 47:[9, 43, 13] Operation: 98-85=13 Exploring Operation: 85-9=76, Resulting Numbers: [98, 43, 76] Generated Node #0,2: 47:[98, 43, 76] Operation: 85-9=76 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[9, 43, 13], Operations: ['98-85=13'] Exploring Operation: 9+43=52, Resulting Numbers: [13, 52] Generated Node #0,1,0: 47:[13, 52] Operation: 9+43=52 Exploring Operation: 9+13=22, Resulting Numbers: [43, 22] Generated Node #0,1,1: 47:[43, 22] Operation: 9+13=22 Exploring Operation: 43-9=34, Resulting Numbers: [13, 34] Generated Node #0,1,2: 47:[13, 34] Operation: 43-9=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[43, 22], Operations: ['98-85=13', '9+13=22'] Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,47 unequal: No Solution Exploring Operation: 43*22=946, Resulting Numbers: [946] 946,47 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,47 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 #0,1,0 Current State: 47:[13, 52], Operations: ['98-85=13', '9+43=52'] Exploring Operation: 13+52=65, Resulting Numbers: [65] 65,47 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,47 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 #0,1,2 Current State: 47:[13, 34], Operations: ['98-85=13', '43-9=34'] Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[9, 85, 98, 43], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [9, 43, 13] Generated Node #0,1: 47:[9, 43, 13] Operation: 98-85=13 Moving to Node #0,1 Current State: 47:[9, 43, 13], Operations: ['98-85=13'] Exploring Operation: 43-9=34, Resulting Numbers: [13, 34] Generated Node #0,1,2: 47:[13, 34] Operation: 43-9=34 Moving to Node #0,1,2 Current State: 47:[13, 34], Operations: ['98-85=13', '43-9=34'] Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 5, 7, 93, 71 ]
82
[ "7-5=2", "93+71=164", "164/2=82" ]
Current State: 82:[5, 7, 93, 71], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [93, 71, 2] Generated Node #2: [93, 71, 2] from Operation: 7-5=2 Current State: 82:[93, 71, 2], Operations: ['7-5=2'] Exploring Operation: 93+71=164, Resulting Numbers: [2, 164] Generated Node #3: [2, 164] from Operation: 93+71=164 Current State: 82:[2, 164], Operations: ['7-5=2', '93+71=164'] Exploring Operation: 164/2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[5, 7, 93, 71], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [5, 71, 86] Generated Node #0,0: 82:[5, 71, 86] Operation: 93-7=86 Moving to Node #0,0 Current State: 82:[5, 71, 86], Operations: ['93-7=86'] Exploring Operation: 5+71=76, Resulting Numbers: [86, 76] Generated Node #0,0,0: 82:[86, 76] Operation: 5+71=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[86, 76], Operations: ['93-7=86', '5+71=76'] Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,82 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
[ 29, 44, 44, 93 ]
64
[ "29+44=73", "44+93=137", "137-73=64" ]
Current State: 64:[29, 44, 44, 93], Operations: [] Exploring Operation: 29+44=73, Resulting Numbers: [93, 73] Generated Node #2: [93, 73] from Operation: 29+44=73 Current State: 64:[93, 73], Operations: ['29+44=73'] Exploring Operation: 44+93=137, Resulting Numbers: [73, 137] Generated Node #3: [73, 137] from Operation: 44+93=137 Current State: 64:[73, 137], Operations: ['29+44=73', '44+93=137'] Exploring Operation: 137-73=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[29, 44, 44, 93], Operations: [] Exploring Operation: 93-29=64, Resulting Numbers: [44, 44, 64] Generated Node #0,0: 64:[44, 44, 64] Operation: 93-29=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[44, 44, 64], Operations: ['93-29=64'] Exploring Operation: 44/44=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 64:[64, 1] Operation: 44/44=1 Moving to Node #0,0,0 Current State: 64:[64, 1], Operations: ['93-29=64', '44/44=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[29, 44, 44, 93], Operations: [] Exploring Operation: 93-29=64, Resulting Numbers: [44, 44, 64] Generated Node #0,0: 64:[44, 44, 64] Operation: 93-29=64 Moving to Node #0,0 Current State: 64:[44, 44, 64], Operations: ['93-29=64'] Exploring Operation: 44/44=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 64:[64, 1] Operation: 44/44=1 Moving to Node #0,0,0 Current State: 64:[64, 1], Operations: ['93-29=64', '44/44=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 66, 28, 14 ]
62
[ "58+66=124", "28/14=2", "124/2=62" ]
Current State: 62:[58, 66, 28, 14], Operations: [] Exploring Operation: 58+66=124, Resulting Numbers: [28, 14, 124] Generated Node #2: [28, 14, 124] from Operation: 58+66=124 Current State: 62:[28, 14, 124], Operations: ['58+66=124'] Exploring Operation: 28/14=2, Resulting Numbers: [124, 2] Generated Node #3: [124, 2] from Operation: 28/14=2 Current State: 62:[124, 2], Operations: ['58+66=124', '28/14=2'] Exploring Operation: 124/2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[58, 66, 28, 14], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [58, 28, 52] Generated Node #0,0: 62:[58, 28, 52] Operation: 66-14=52 Exploring Operation: 58+14=72, Resulting Numbers: [66, 28, 72] Generated Node #0,1: 62:[66, 28, 72] Operation: 58+14=72 Exploring Operation: 58-28=30, Resulting Numbers: [66, 14, 30] Generated Node #0,2: 62:[66, 14, 30] Operation: 58-28=30 Exploring Operation: 28/14=2, Resulting Numbers: [58, 66, 2] Generated Node #0,3: 62:[58, 66, 2] Operation: 28/14=2 Exploring Operation: 28+14=42, Resulting Numbers: [58, 66, 42] Generated Node #0,4: 62:[58, 66, 42] Operation: 28+14=42 Moving to Node #0,3 Current State: 62:[58, 66, 2], Operations: ['28/14=2'] Exploring Operation: 66-2=64, Resulting Numbers: [58, 64] Generated Node #0,3,0: 62:[58, 64] Operation: 66-2=64 Exploring Operation: 66/2=33, Resulting Numbers: [58, 33] Generated Node #0,3,1: 62:[58, 33] Operation: 66/2=33 Exploring Operation: 58/2=29, Resulting Numbers: [66, 29] Generated Node #0,3,2: 62:[66, 29] Operation: 58/2=29 Exploring Operation: 66-58=8, Resulting Numbers: [2, 8] Generated Node #0,3,3: 62:[2, 8] Operation: 66-58=8 Exploring Operation: 58+2=60, Resulting Numbers: [66, 60] Generated Node #0,3,4: 62:[66, 60] Operation: 58+2=60 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[58, 64], Operations: ['28/14=2', '66-2=64'] Exploring Operation: 64-58=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 58+64=122, Resulting Numbers: [122] 122,62 unequal: No Solution Exploring Operation: 58*64=3712, Resulting Numbers: [3712] 3712,62 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 #0,3,1 Current State: 62:[58, 33], Operations: ['28/14=2', '66/2=33'] Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,62 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,62 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,62 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 #0,3,2 Current State: 62:[66, 29], Operations: ['28/14=2', '58/2=29'] Exploring Operation: 66*29=1914, Resulting Numbers: [1914] 1914,62 unequal: No Solution Exploring Operation: 66+29=95, Resulting Numbers: [95] 95,62 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,62 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 #0,3,3 Current State: 62:[2, 8], Operations: ['28/14=2', '66-58=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,62 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,62 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 #0,3,4 Current State: 62:[66, 60], Operations: ['28/14=2', '58+2=60'] Exploring Operation: 66+60=126, Resulting Numbers: [126] 126,62 unequal: No Solution Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 66*60=3960, Resulting Numbers: [3960] 3960,62 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: 62:[66, 28, 72], Operations: ['58+14=72'] Exploring Operation: 28+72=100, Resulting Numbers: [66, 100] Generated Node #0,1,0: 62:[66, 100] Operation: 28+72=100 Exploring Operation: 72-66=6, Resulting Numbers: [28, 6] Generated Node #0,1,1: 62:[28, 6] Operation: 72-66=6 Exploring Operation: 66+28=94, Resulting Numbers: [72, 94] Generated Node #0,1,2: 62:[72, 94] Operation: 66+28=94 Exploring Operation: 66-28=38, Resulting Numbers: [72, 38] Generated Node #0,1,3: 62:[72, 38] Operation: 66-28=38 Exploring Operation: 72-28=44, Resulting Numbers: [66, 44] Generated Node #0,1,4: 62:[66, 44] Operation: 72-28=44 Moving to Node #0,0 Current State: 62:[58, 28, 52], Operations: ['66-14=52'] Exploring Operation: 52-28=24, Resulting Numbers: [58, 24] Generated Node #0,0,0: 62:[58, 24] Operation: 52-28=24 Exploring Operation: 28+52=80, Resulting Numbers: [58, 80] Generated Node #0,0,1: 62:[58, 80] Operation: 28+52=80 Exploring Operation: 58+28=86, Resulting Numbers: [52, 86] Generated Node #0,0,2: 62:[52, 86] Operation: 58+28=86 Exploring Operation: 58-52=6, Resulting Numbers: [28, 6] Generated Node #0,0,3: 62:[28, 6] Operation: 58-52=6 Exploring Operation: 58-28=30, Resulting Numbers: [52, 30] Generated Node #0,0,4: 62:[52, 30] Operation: 58-28=30 Moving to Node #0,2 Current State: 62:[66, 14, 30], Operations: ['58-28=30'] Exploring Operation: 66+14=80, Resulting Numbers: [30, 80] Generated Node #0,2,0: 62:[30, 80] Operation: 66+14=80 Exploring Operation: 30-14=16, Resulting Numbers: [66, 16] Generated Node #0,2,1: 62:[66, 16] Operation: 30-14=16 Exploring Operation: 14+30=44, Resulting Numbers: [66, 44] Generated Node #0,2,2: 62:[66, 44] Operation: 14+30=44 Exploring Operation: 66-30=36, Resulting Numbers: [14, 36] Generated Node #0,2,3: 62:[14, 36] Operation: 66-30=36 Exploring Operation: 66-14=52, Resulting Numbers: [30, 52] Generated Node #0,2,4: 62:[30, 52] Operation: 66-14=52 Moving to Node #0,4 Current State: 62:[58, 66, 42], Operations: ['28+14=42'] Exploring Operation: 66-42=24, Resulting Numbers: [58, 24] Generated Node #0,4,0: 62:[58, 24] Operation: 66-42=24 Exploring Operation: 66+42=108, Resulting Numbers: [58, 108] Generated Node #0,4,1: 62:[58, 108] Operation: 66+42=108 Exploring Operation: 58-42=16, Resulting Numbers: [66, 16] Generated Node #0,4,2: 62:[66, 16] Operation: 58-42=16 Exploring Operation: 66-58=8, Resulting Numbers: [42, 8] Generated Node #0,4,3: 62:[42, 8] Operation: 66-58=8 Exploring Operation: 58+42=100, Resulting Numbers: [66, 100] Generated Node #0,4,4: 62:[66, 100] Operation: 58+42=100 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 62:[58, 24], Operations: ['28+14=42', '66-42=24'] Exploring Operation: 58*24=1392, Resulting Numbers: [1392] 1392,62 unequal: No Solution Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 58+24=82, Resulting Numbers: [82] 82,62 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 #0,4,3 Current State: 62:[42, 8], Operations: ['28+14=42', '66-58=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,62 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,62 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 #0,4,2 Current State: 62:[66, 16], Operations: ['28+14=42', '58-42=16'] Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,62 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,62 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 #0,4,4 Current State: 62:[66, 100], Operations: ['28+14=42', '58+42=100'] Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 66+100=166, Resulting Numbers: [166] 166,62 unequal: No Solution Exploring Operation: 66*100=6600, Resulting Numbers: [6600] 6600,62 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 #0,4,1 Current State: 62:[58, 108], Operations: ['28+14=42', '66+42=108'] Exploring Operation: 58*108=6264, Resulting Numbers: [6264] 6264,62 unequal: No Solution Exploring Operation: 58+108=166, Resulting Numbers: [166] 166,62 unequal: No Solution Exploring Operation: 108-58=50, Resulting Numbers: [50] 50,62 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: 62:[28, 6], Operations: ['58+14=72', '72-66=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[28, 6], Operations: ['66-14=52', '58-52=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,62 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[58, 24], Operations: ['66-14=52', '52-28=24'] Exploring Operation: 58-24=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 58*24=1392, Resulting Numbers: [1392] 1392,62 unequal: No Solution Exploring Operation: 58+24=82, Resulting Numbers: [82] 82,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[52, 30], Operations: ['66-14=52', '58-28=30'] Exploring Operation: 52+30=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 52*30=1560, Resulting Numbers: [1560] 1560,62 unequal: No Solution Moving to Node #0,2,4 Current State: 62:[30, 52], Operations: ['58-28=30', '66-14=52'] Exploring Operation: 30*52=1560, Resulting Numbers: [1560] 1560,62 unequal: No Solution Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[66, 44], Operations: ['58+14=72', '72-28=44'] Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,62 unequal: No Solution Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[14, 36], Operations: ['58-28=30', '66-30=36'] Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[72, 38], Operations: ['58+14=72', '66-28=38'] Exploring Operation: 72*38=2736, Resulting Numbers: [2736] 2736,62 unequal: No Solution Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 72+38=110, Resulting Numbers: [110] 110,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[66, 44], Operations: ['58-28=30', '14+30=44'] Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,62 unequal: No Solution Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[66, 16], Operations: ['58-28=30', '30-14=16'] Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,62 unequal: No Solution Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,62 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[30, 80], Operations: ['58-28=30', '66+14=80'] Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,62 unequal: No Solution Exploring Operation: 30+80=110, Resulting Numbers: [110] 110,62 unequal: No Solution Exploring Operation: 30*80=2400, Resulting Numbers: [2400] 2400,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[58, 80], Operations: ['66-14=52', '28+52=80'] Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,62 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[52, 86], Operations: ['66-14=52', '58+28=86'] Exploring Operation: 86-52=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 52*86=4472, Resulting Numbers: [4472] 4472,62 unequal: No Solution Exploring Operation: 52+86=138, Resulting Numbers: [138] 138,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[72, 94], Operations: ['58+14=72', '66+28=94'] Exploring Operation: 94-72=22, Resulting Numbers: [22] 22,62 unequal: No Solution Exploring Operation: 72*94=6768, Resulting Numbers: [6768] 6768,62 unequal: No Solution Exploring Operation: 72+94=166, Resulting Numbers: [166] 166,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[66, 100], Operations: ['58+14=72', '28+72=100'] Exploring Operation: 66+100=166, Resulting Numbers: [166] 166,62 unequal: No Solution Exploring Operation: 100-66=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 66*100=6600, Resulting Numbers: [6600] 6600,62 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 27, 62, 91, 30 ]
96
[ "62-27=35", "91-30=61", "35+61=96" ]
Current State: 96:[27, 62, 91, 30], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [91, 30, 35] Generated Node #2: [91, 30, 35] from Operation: 62-27=35 Current State: 96:[91, 30, 35], Operations: ['62-27=35'] Exploring Operation: 91-30=61, Resulting Numbers: [35, 61] Generated Node #3: [35, 61] from Operation: 91-30=61 Current State: 96:[35, 61], Operations: ['62-27=35', '91-30=61'] Exploring Operation: 35+61=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[27, 62, 91, 30], Operations: [] Exploring Operation: 91-62=29, Resulting Numbers: [27, 30, 29] Generated Node #0,0: 96:[27, 30, 29] Operation: 91-62=29 Exploring Operation: 62-30=32, Resulting Numbers: [27, 91, 32] Generated Node #0,1: 96:[27, 91, 32] Operation: 62-30=32 Moving to Node #0,0 Current State: 96:[27, 30, 29], Operations: ['91-62=29'] Exploring Operation: 29-27=2, Resulting Numbers: [30, 2] Generated Node #0,0,0: 96:[30, 2] Operation: 29-27=2 Exploring Operation: 30-27=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 96:[29, 3] Operation: 30-27=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[30, 2], Operations: ['91-62=29', '29-27=2'] Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[29, 3], Operations: ['91-62=29', '30-27=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,96 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: 96:[27, 91, 32], Operations: ['62-30=32'] Exploring Operation: 91-32=59, Resulting Numbers: [27, 59] Generated Node #0,1,0: 96:[27, 59] Operation: 91-32=59 Exploring Operation: 32-27=5, Resulting Numbers: [91, 5] Generated Node #0,1,1: 96:[91, 5] Operation: 32-27=5 Moving to Node #0,1,1 Current State: 96:[91, 5], Operations: ['62-30=32', '32-27=5'] Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,96 unequal: No Solution Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[27, 62, 91, 30], Operations: [] Exploring Operation: 62-30=32, Resulting Numbers: [27, 91, 32] Generated Node #0,1: 96:[27, 91, 32] Operation: 62-30=32 Moving to Node #0,1 Current State: 96:[27, 91, 32], Operations: ['62-30=32'] Exploring Operation: 32-27=5, Resulting Numbers: [91, 5] Generated Node #0,1,1: 96:[91, 5] Operation: 32-27=5 Moving to Node #0,1,1 Current State: 96:[91, 5], Operations: ['62-30=32', '32-27=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 94, 92, 13, 32 ]
77
[ "94-92=2", "32*2=64", "13+64=77" ]
Current State: 77:[94, 92, 13, 32], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [13, 32, 2] Generated Node #2: [13, 32, 2] from Operation: 94-92=2 Current State: 77:[13, 32, 2], Operations: ['94-92=2'] Exploring Operation: 32*2=64, Resulting Numbers: [13, 64] Generated Node #3: [13, 64] from Operation: 32*2=64 Current State: 77:[13, 64], Operations: ['94-92=2', '32*2=64'] Exploring Operation: 13+64=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[94, 92, 13, 32], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [13, 32, 2] Generated Node #0,0: 77:[13, 32, 2] Operation: 94-92=2 Exploring Operation: 94-32=62, Resulting Numbers: [92, 13, 62] Generated Node #0,1: 77:[92, 13, 62] Operation: 94-32=62 Moving to Node #0,0 Current State: 77:[13, 32, 2], Operations: ['94-92=2'] Exploring Operation: 32/2=16, Resulting Numbers: [13, 16] Generated Node #0,0,0: 77:[13, 16] Operation: 32/2=16 Exploring Operation: 32-13=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 77:[2, 19] Operation: 32-13=19 Moving to Node #0,1 Current State: 77:[92, 13, 62], Operations: ['94-32=62'] Exploring Operation: 92-13=79, Resulting Numbers: [62, 79] Generated Node #0,1,0: 77:[62, 79] Operation: 92-13=79 Exploring Operation: 13+62=75, Resulting Numbers: [92, 75] Generated Node #0,1,1: 77:[92, 75] Operation: 13+62=75 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[62, 79], Operations: ['94-32=62', '92-13=79'] Exploring Operation: 62+79=141, Resulting Numbers: [141] 141,77 unequal: No Solution Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[92, 75], Operations: ['94-32=62', '13+62=75'] Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,77 unequal: No Solution Exploring Operation: 92+75=167, Resulting Numbers: [167] 167,77 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: 77:[13, 16], Operations: ['94-92=2', '32/2=16'] Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,77 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[2, 19], Operations: ['94-92=2', '32-13=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,77 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,77 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 54, 38, 80, 69 ]
81
[ "54+38=92", "80-69=11", "92-11=81" ]
Current State: 81:[54, 38, 80, 69], Operations: [] Exploring Operation: 54+38=92, Resulting Numbers: [80, 69, 92] Generated Node #2: [80, 69, 92] from Operation: 54+38=92 Current State: 81:[80, 69, 92], Operations: ['54+38=92'] Exploring Operation: 80-69=11, Resulting Numbers: [92, 11] Generated Node #3: [92, 11] from Operation: 80-69=11 Current State: 81:[92, 11], Operations: ['54+38=92', '80-69=11'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[54, 38, 80, 69], Operations: [] Exploring Operation: 69-54=15, Resulting Numbers: [38, 80, 15] Generated Node #0,0: 81:[38, 80, 15] Operation: 69-54=15 Exploring Operation: 54-38=16, Resulting Numbers: [80, 69, 16] Generated Node #0,1: 81:[80, 69, 16] Operation: 54-38=16 Moving to Node #0,0 Current State: 81:[38, 80, 15], Operations: ['69-54=15'] Exploring Operation: 38-15=23, Resulting Numbers: [80, 23] Generated Node #0,0,0: 81:[80, 23] Operation: 38-15=23 Exploring Operation: 80-38=42, Resulting Numbers: [15, 42] Generated Node #0,0,1: 81:[15, 42] Operation: 80-38=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[80, 23], Operations: ['69-54=15', '38-15=23'] Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 80+23=103, Resulting Numbers: [103] 103,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[15, 42], Operations: ['69-54=15', '80-38=42'] Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,81 unequal: No Solution Exploring Operation: 15+42=57, Resulting Numbers: [57] 57,81 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: 81:[80, 69, 16], Operations: ['54-38=16'] Exploring Operation: 69+16=85, Resulting Numbers: [80, 85] Generated Node #0,1,0: 81:[80, 85] Operation: 69+16=85 Exploring Operation: 80-69=11, Resulting Numbers: [16, 11] Generated Node #0,1,1: 81:[16, 11] Operation: 80-69=11 Moving to Node #0,1,0 Current State: 81:[80, 85], Operations: ['54-38=16', '69+16=85'] Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 80+85=165, Resulting Numbers: [165] 165,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[16, 11], Operations: ['54-38=16', '80-69=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,81 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 21, 35, 85, 2 ]
49
[ "21*85=1785", "1785/35=51", "51-2=49" ]
Current State: 49:[21, 35, 85, 2], Operations: [] Exploring Operation: 21*85=1785, Resulting Numbers: [35, 2, 1785] Generated Node #2: [35, 2, 1785] from Operation: 21*85=1785 Current State: 49:[35, 2, 1785], Operations: ['21*85=1785'] Exploring Operation: 1785/35=51, Resulting Numbers: [2, 51] Generated Node #3: [2, 51] from Operation: 1785/35=51 Current State: 49:[2, 51], Operations: ['21*85=1785', '1785/35=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[21, 35, 85, 2], Operations: [] Exploring Operation: 21*2=42, Resulting Numbers: [35, 85, 42] Generated Node #0,0: 49:[35, 85, 42] Operation: 21*2=42 Exploring Operation: 85-21=64, Resulting Numbers: [35, 2, 64] Generated Node #0,1: 49:[35, 2, 64] Operation: 85-21=64 Exploring Operation: 85-35=50, Resulting Numbers: [21, 2, 50] Generated Node #0,2: 49:[21, 2, 50] Operation: 85-35=50 Exploring Operation: 21+35=56, Resulting Numbers: [85, 2, 56] Generated Node #0,3: 49:[85, 2, 56] Operation: 21+35=56 Exploring Operation: 35-21=14, Resulting Numbers: [85, 2, 14] Generated Node #0,4: 49:[85, 2, 14] Operation: 35-21=14 Moving to Node #0,2 Current State: 49:[21, 2, 50], Operations: ['85-35=50'] Exploring Operation: 21*2=42, Resulting Numbers: [50, 42] Generated Node #0,2,0: 49:[50, 42] Operation: 21*2=42 Exploring Operation: 21-2=19, Resulting Numbers: [50, 19] Generated Node #0,2,1: 49:[50, 19] Operation: 21-2=19 Exploring Operation: 50-2=48, Resulting Numbers: [21, 48] Generated Node #0,2,2: 49:[21, 48] Operation: 50-2=48 Exploring Operation: 21+2=23, Resulting Numbers: [50, 23] Generated Node #0,2,3: 49:[50, 23] Operation: 21+2=23 Exploring Operation: 2+50=52, Resulting Numbers: [21, 52] Generated Node #0,2,4: 49:[21, 52] Operation: 2+50=52 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[50, 42], Operations: ['85-35=50', '21*2=42'] Exploring Operation: 50*42=2100, Resulting Numbers: [2100] 2100,49 unequal: No Solution Exploring Operation: 50+42=92, Resulting Numbers: [92] 92,49 unequal: No Solution Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[50, 19], Operations: ['85-35=50', '21-2=19'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[21, 48], Operations: ['85-35=50', '50-2=48'] Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 21*48=1008, Resulting Numbers: [1008] 1008,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[50, 23], Operations: ['85-35=50', '21+2=23'] Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,49 unequal: No Solution Exploring Operation: 50*23=1150, Resulting Numbers: [1150] 1150,49 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[21, 52], Operations: ['85-35=50', '2+50=52'] Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,49 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,49 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,49 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: 49:[35, 2, 64], Operations: ['85-21=64'] Exploring Operation: 64-35=29, Resulting Numbers: [2, 29] Generated Node #0,1,0: 49:[2, 29] Operation: 64-35=29 Exploring Operation: 35+2=37, Resulting Numbers: [64, 37] Generated Node #0,1,1: 49:[64, 37] Operation: 35+2=37 Exploring Operation: 64-2=62, Resulting Numbers: [35, 62] Generated Node #0,1,2: 49:[35, 62] Operation: 64-2=62 Exploring Operation: 2+64=66, Resulting Numbers: [35, 66] Generated Node #0,1,3: 49:[35, 66] Operation: 2+64=66 Exploring Operation: 35-2=33, Resulting Numbers: [64, 33] Generated Node #0,1,4: 49:[64, 33] Operation: 35-2=33 Moving to Node #0,3 Current State: 49:[85, 2, 56], Operations: ['21+35=56'] Exploring Operation: 2+56=58, Resulting Numbers: [85, 58] Generated Node #0,3,0: 49:[85, 58] Operation: 2+56=58 Exploring Operation: 85-56=29, Resulting Numbers: [2, 29] Generated Node #0,3,1: 49:[2, 29] Operation: 85-56=29 Exploring Operation: 85+2=87, Resulting Numbers: [56, 87] Generated Node #0,3,2: 49:[56, 87] Operation: 85+2=87 Exploring Operation: 85-2=83, Resulting Numbers: [56, 83] Generated Node #0,3,3: 49:[56, 83] Operation: 85-2=83 Exploring Operation: 56-2=54, Resulting Numbers: [85, 54] Generated Node #0,3,4: 49:[85, 54] Operation: 56-2=54 Moving to Node #0,4 Current State: 49:[85, 2, 14], Operations: ['35-21=14'] Exploring Operation: 85+2=87, Resulting Numbers: [14, 87] Generated Node #0,4,0: 49:[14, 87] Operation: 85+2=87 Exploring Operation: 85-2=83, Resulting Numbers: [14, 83] Generated Node #0,4,1: 49:[14, 83] Operation: 85-2=83 Exploring Operation: 85-14=71, Resulting Numbers: [2, 71] Generated Node #0,4,2: 49:[2, 71] Operation: 85-14=71 Exploring Operation: 14-2=12, Resulting Numbers: [85, 12] Generated Node #0,4,3: 49:[85, 12] Operation: 14-2=12 Exploring Operation: 14/2=7, Resulting Numbers: [85, 7] Generated Node #0,4,4: 49:[85, 7] Operation: 14/2=7 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[2, 71], Operations: ['35-21=14', '85-14=71'] Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,49 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[85, 7], Operations: ['35-21=14', '14/2=7'] Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,49 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[14, 83], Operations: ['35-21=14', '85-2=83'] Exploring Operation: 14*83=1162, Resulting Numbers: [1162] 1162,49 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,49 unequal: No Solution Exploring Operation: 14+83=97, Resulting Numbers: [97] 97,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[85, 12], Operations: ['35-21=14', '14-2=12'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,49 unequal: No Solution Exploring Operation: 85*12=1020, Resulting Numbers: [1020] 1020,49 unequal: No Solution Exploring Operation: 85+12=97, Resulting Numbers: [97] 97,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[14, 87], Operations: ['35-21=14', '85+2=87'] Exploring Operation: 14+87=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 14*87=1218, Resulting Numbers: [1218] 1218,49 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,49 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: 49:[35, 85, 42], Operations: ['21*2=42'] Exploring Operation: 35+42=77, Resulting Numbers: [85, 77] Generated Node #0,0,0: 49:[85, 77] Operation: 35+42=77 Exploring Operation: 42-35=7, Resulting Numbers: [85, 7] Generated Node #0,0,1: 49:[85, 7] Operation: 42-35=7 Exploring Operation: 35+85=120, Resulting Numbers: [42, 120] Generated Node #0,0,2: 49:[42, 120] Operation: 35+85=120 Exploring Operation: 85-35=50, Resulting Numbers: [42, 50] Generated Node #0,0,3: 49:[42, 50] Operation: 85-35=50 Exploring Operation: 85-42=43, Resulting Numbers: [35, 43] Generated Node #0,0,4: 49:[35, 43] Operation: 85-42=43 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[42, 50], Operations: ['21*2=42', '85-35=50'] Exploring Operation: 42*50=2100, Resulting Numbers: [2100] 2100,49 unequal: No Solution Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[35, 43], Operations: ['21*2=42', '85-42=43'] Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,49 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[85, 7], Operations: ['21*2=42', '42-35=7'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,49 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[85, 77], Operations: ['21*2=42', '35+42=77'] Exploring Operation: 85*77=6545, Resulting Numbers: [6545] 6545,49 unequal: No Solution Exploring Operation: 85+77=162, Resulting Numbers: [162] 162,49 unequal: No Solution Exploring Operation: 85-77=8, Resulting Numbers: [8] 8,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[42, 120], Operations: ['21*2=42', '35+85=120'] Exploring Operation: 42*120=5040, Resulting Numbers: [5040] 5040,49 unequal: No Solution Exploring Operation: 42+120=162, Resulting Numbers: [162] 162,49 unequal: No Solution Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,49 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: 49:[2, 29], Operations: ['85-21=64', '64-35=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[2, 29], Operations: ['21+35=56', '85-56=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[35, 62], Operations: ['85-21=64', '64-2=62'] Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,49 unequal: No Solution Exploring Operation: 35*62=2170, Resulting Numbers: [2170] 2170,49 unequal: No Solution Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[64, 37], Operations: ['85-21=64', '35+2=37'] Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 64+37=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 64*37=2368, Resulting Numbers: [2368] 2368,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[64, 33], Operations: ['85-21=64', '35-2=33'] Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,49 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,49 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[35, 66], Operations: ['85-21=64', '2+64=66'] Exploring Operation: 35+66=101, Resulting Numbers: [101] 101,49 unequal: No Solution Exploring Operation: 35*66=2310, Resulting Numbers: [2310] 2310,49 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[56, 83], Operations: ['21+35=56', '85-2=83'] Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 56*83=4648, Resulting Numbers: [4648] 4648,49 unequal: No Solution Exploring Operation: 56+83=139, Resulting Numbers: [139] 139,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[85, 54], Operations: ['21+35=56', '56-2=54'] Exploring Operation: 85*54=4590, Resulting Numbers: [4590] 4590,49 unequal: No Solution Exploring Operation: 85-54=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 85+54=139, Resulting Numbers: [139] 139,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[85, 58], Operations: ['21+35=56', '2+56=58'] Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,49 unequal: No Solution Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[56, 87], Operations: ['21+35=56', '85+2=87'] Exploring Operation: 87-56=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 56*87=4872, Resulting Numbers: [4872] 4872,49 unequal: No Solution Exploring Operation: 56+87=143, Resulting Numbers: [143] 143,49 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 62, 2, 20, 37 ]
43
[ "62-2=60", "37-20=17", "60-17=43" ]
Current State: 43:[62, 2, 20, 37], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [20, 37, 60] Generated Node #2: [20, 37, 60] from Operation: 62-2=60 Current State: 43:[20, 37, 60], Operations: ['62-2=60'] Exploring Operation: 37-20=17, Resulting Numbers: [60, 17] Generated Node #3: [60, 17] from Operation: 37-20=17 Current State: 43:[60, 17], Operations: ['62-2=60', '37-20=17'] Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[62, 2, 20, 37], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [20, 37, 60] Generated Node #0,0: 43:[20, 37, 60] Operation: 62-2=60 Exploring Operation: 2+20=22, Resulting Numbers: [62, 37, 22] Generated Node #0,1: 43:[62, 37, 22] Operation: 2+20=22 Exploring Operation: 2+37=39, Resulting Numbers: [62, 20, 39] Generated Node #0,2: 43:[62, 20, 39] Operation: 2+37=39 Exploring Operation: 62/2=31, Resulting Numbers: [20, 37, 31] Generated Node #0,3: 43:[20, 37, 31] Operation: 62/2=31 Exploring Operation: 2*20=40, Resulting Numbers: [62, 37, 40] Generated Node #0,4: 43:[62, 37, 40] Operation: 2*20=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[62, 37, 40], Operations: ['2*20=40'] Exploring Operation: 62-37=25, Resulting Numbers: [40, 25] Generated Node #0,4,0: 43:[40, 25] Operation: 62-37=25 Exploring Operation: 62+37=99, Resulting Numbers: [40, 99] Generated Node #0,4,1: 43:[40, 99] Operation: 62+37=99 Exploring Operation: 37+40=77, Resulting Numbers: [62, 77] Generated Node #0,4,2: 43:[62, 77] Operation: 37+40=77 Exploring Operation: 40-37=3, Resulting Numbers: [62, 3] Generated Node #0,4,3: 43:[62, 3] Operation: 40-37=3 Exploring Operation: 62-40=22, Resulting Numbers: [37, 22] Generated Node #0,4,4: 43:[37, 22] Operation: 62-40=22 Moving to Node #0,4,0 Current State: 43:[40, 25], Operations: ['2*20=40', '62-37=25'] Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 40+25=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 40*25=1000, Resulting Numbers: [1000] 1000,43 unequal: No Solution Moving to Node #0,4,4 Current State: 43:[37, 22], Operations: ['2*20=40', '62-40=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,43 unequal: No Solution Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,43 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[62, 77], Operations: ['2*20=40', '37+40=77'] Exploring Operation: 62*77=4774, Resulting Numbers: [4774] 4774,43 unequal: No Solution Exploring Operation: 62+77=139, Resulting Numbers: [139] 139,43 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[40, 99], Operations: ['2*20=40', '62+37=99'] Exploring Operation: 99-40=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 40+99=139, Resulting Numbers: [139] 139,43 unequal: No Solution Exploring Operation: 40*99=3960, Resulting Numbers: [3960] 3960,43 unequal: No Solution Moving to Node #0,4,3 Current State: 43:[62, 3], Operations: ['2*20=40', '40-37=3'] Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,43 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[20, 37, 31], Operations: ['62/2=31'] Exploring Operation: 20+37=57, Resulting Numbers: [31, 57] Generated Node #0,3,0: 43:[31, 57] Operation: 20+37=57 Exploring Operation: 37-20=17, Resulting Numbers: [31, 17] Generated Node #0,3,1: 43:[31, 17] Operation: 37-20=17 Exploring Operation: 20+31=51, Resulting Numbers: [37, 51] Generated Node #0,3,2: 43:[37, 51] Operation: 20+31=51 Exploring Operation: 37+31=68, Resulting Numbers: [20, 68] Generated Node #0,3,3: 43:[20, 68] Operation: 37+31=68 Exploring Operation: 31-20=11, Resulting Numbers: [37, 11] Generated Node #0,3,4: 43:[37, 11] Operation: 31-20=11 Moving to Node #0,3,2 Current State: 43:[37, 51], Operations: ['62/2=31', '20+31=51'] Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,43 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[31, 57], Operations: ['62/2=31', '20+37=57'] Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[31, 17], Operations: ['62/2=31', '37-20=17'] Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,43 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,43 unequal: No Solution Moving to Node #0,3,4 Current State: 43:[37, 11], Operations: ['62/2=31', '31-20=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[20, 68], Operations: ['62/2=31', '37+31=68'] Exploring Operation: 20+68=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 20*68=1360, Resulting Numbers: [1360] 1360,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[20, 37, 60], Operations: ['62-2=60'] Exploring Operation: 20+60=80, Resulting Numbers: [37, 80] Generated Node #0,0,0: 43:[37, 80] Operation: 20+60=80 Exploring Operation: 20+37=57, Resulting Numbers: [60, 57] Generated Node #0,0,1: 43:[60, 57] Operation: 20+37=57 Exploring Operation: 60-37=23, Resulting Numbers: [20, 23] Generated Node #0,0,2: 43:[20, 23] Operation: 60-37=23 Exploring Operation: 60-20=40, Resulting Numbers: [37, 40] Generated Node #0,0,3: 43:[37, 40] Operation: 60-20=40 Exploring Operation: 37-20=17, Resulting Numbers: [60, 17] Generated Node #0,0,4: 43:[60, 17] Operation: 37-20=17 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[37, 40], Operations: ['62-2=60', '60-20=40'] Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,43 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[60, 57], Operations: ['62-2=60', '20+37=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,43 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[37, 80], Operations: ['62-2=60', '20+60=80'] Exploring Operation: 37*80=2960, Resulting Numbers: [2960] 2960,43 unequal: No Solution Exploring Operation: 37+80=117, Resulting Numbers: [117] 117,43 unequal: No Solution Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[62, 2, 20, 37], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [20, 37, 60] Generated Node #0,0: 43:[20, 37, 60] Operation: 62-2=60 Moving to Node #0,0 Current State: 43:[20, 37, 60], Operations: ['62-2=60'] Exploring Operation: 20+60=80, Resulting Numbers: [37, 80] Generated Node #0,0,0: 43:[37, 80] Operation: 20+60=80 Moving to Node #0,0,0 Current State: 43:[37, 80], Operations: ['62-2=60', '20+60=80'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 19, 60, 34, 38 ]
96
[ "38/19=2", "60+34=94", "2+94=96" ]
Current State: 96:[19, 60, 34, 38], Operations: [] Exploring Operation: 38/19=2, Resulting Numbers: [60, 34, 2] Generated Node #2: [60, 34, 2] from Operation: 38/19=2 Current State: 96:[60, 34, 2], Operations: ['38/19=2'] Exploring Operation: 60+34=94, Resulting Numbers: [2, 94] Generated Node #3: [2, 94] from Operation: 60+34=94 Current State: 96:[2, 94], Operations: ['38/19=2', '60+34=94'] Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[19, 60, 34, 38], Operations: [] Exploring Operation: 60+34=94, Resulting Numbers: [19, 38, 94] Generated Node #0,0: 96:[19, 38, 94] Operation: 60+34=94 Exploring Operation: 60-38=22, Resulting Numbers: [19, 34, 22] Generated Node #0,1: 96:[19, 34, 22] Operation: 60-38=22 Exploring Operation: 60+38=98, Resulting Numbers: [19, 34, 98] Generated Node #0,2: 96:[19, 34, 98] Operation: 60+38=98 Moving to Node #0,1 Current State: 96:[19, 34, 22], Operations: ['60-38=22'] Exploring Operation: 34-22=12, Resulting Numbers: [19, 12] Generated Node #0,1,0: 96:[19, 12] Operation: 34-22=12 Exploring Operation: 34-19=15, Resulting Numbers: [22, 15] Generated Node #0,1,1: 96:[22, 15] Operation: 34-19=15 Exploring Operation: 22-19=3, Resulting Numbers: [34, 3] Generated Node #0,1,2: 96:[34, 3] Operation: 22-19=3 Moving to Node #0,2 Current State: 96:[19, 34, 98], Operations: ['60+38=98'] Exploring Operation: 19+34=53, Resulting Numbers: [98, 53] Generated Node #0,2,0: 96:[98, 53] Operation: 19+34=53 Exploring Operation: 34-19=15, Resulting Numbers: [98, 15] Generated Node #0,2,1: 96:[98, 15] Operation: 34-19=15 Exploring Operation: 98-19=79, Resulting Numbers: [34, 79] Generated Node #0,2,2: 96:[34, 79] Operation: 98-19=79 Moving to Node #0,0 Current State: 96:[19, 38, 94], Operations: ['60+34=94'] Exploring Operation: 38/19=2, Resulting Numbers: [94, 2] Generated Node #0,0,0: 96:[94, 2] Operation: 38/19=2 Exploring Operation: 38-19=19, Resulting Numbers: [94, 19] Generated Node #0,0,1: 96:[94, 19] Operation: 38-19=19 Exploring Operation: 19+38=57, Resulting Numbers: [94, 57] Generated Node #0,0,2: 96:[94, 57] Operation: 19+38=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[94, 2], Operations: ['60+34=94', '38/19=2'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,96 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,96 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[19, 60, 34, 38], Operations: [] Exploring Operation: 60+34=94, Resulting Numbers: [19, 38, 94] Generated Node #0,0: 96:[19, 38, 94] Operation: 60+34=94 Moving to Node #0,0 Current State: 96:[19, 38, 94], Operations: ['60+34=94'] Exploring Operation: 38/19=2, Resulting Numbers: [94, 2] Generated Node #0,0,0: 96:[94, 2] Operation: 38/19=2 Moving to Node #0,0,0 Current State: 96:[94, 2], Operations: ['60+34=94', '38/19=2'] Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 14, 88, 24, 43 ]
83
[ "14+88=102", "43-24=19", "102-19=83" ]
Current State: 83:[14, 88, 24, 43], Operations: [] Exploring Operation: 14+88=102, Resulting Numbers: [24, 43, 102] Generated Node #2: [24, 43, 102] from Operation: 14+88=102 Current State: 83:[24, 43, 102], Operations: ['14+88=102'] Exploring Operation: 43-24=19, Resulting Numbers: [102, 19] Generated Node #3: [102, 19] from Operation: 43-24=19 Current State: 83:[102, 19], Operations: ['14+88=102', '43-24=19'] Exploring Operation: 102-19=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[14, 88, 24, 43], Operations: [] Exploring Operation: 24+43=67, Resulting Numbers: [14, 88, 67] Generated Node #0,0: 83:[14, 88, 67] Operation: 24+43=67 Exploring Operation: 14+43=57, Resulting Numbers: [88, 24, 57] Generated Node #0,1: 83:[88, 24, 57] Operation: 14+43=57 Exploring Operation: 14+24=38, Resulting Numbers: [88, 43, 38] Generated Node #0,2: 83:[88, 43, 38] Operation: 14+24=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[14, 88, 67], Operations: ['24+43=67'] Exploring Operation: 14+88=102, Resulting Numbers: [67, 102] Generated Node #0,0,0: 83:[67, 102] Operation: 14+88=102 Exploring Operation: 88-14=74, Resulting Numbers: [67, 74] Generated Node #0,0,1: 83:[67, 74] Operation: 88-14=74 Exploring Operation: 14+67=81, Resulting Numbers: [88, 81] Generated Node #0,0,2: 83:[88, 81] Operation: 14+67=81 Moving to Node #0,0,2 Current State: 83:[88, 81], Operations: ['24+43=67', '14+67=81'] Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,83 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[67, 74], Operations: ['24+43=67', '88-14=74'] Exploring Operation: 67+74=141, Resulting Numbers: [141] 141,83 unequal: No Solution Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 67*74=4958, Resulting Numbers: [4958] 4958,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[67, 102], Operations: ['24+43=67', '14+88=102'] Exploring Operation: 102-67=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 67+102=169, Resulting Numbers: [169] 169,83 unequal: No Solution Exploring Operation: 67*102=6834, Resulting Numbers: [6834] 6834,83 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 Current State: 83:[88, 24, 57], Operations: ['14+43=57'] Exploring Operation: 88-24=64, Resulting Numbers: [57, 64] Generated Node #0,1,0: 83:[57, 64] Operation: 88-24=64 Exploring Operation: 24+57=81, Resulting Numbers: [88, 81] Generated Node #0,1,1: 83:[88, 81] Operation: 24+57=81 Exploring Operation: 88+24=112, Resulting Numbers: [57, 112] Generated Node #0,1,2: 83:[57, 112] Operation: 88+24=112 Moving to Node #0,1,1 Current State: 83:[88, 81], Operations: ['14+43=57', '24+57=81'] Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,83 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[57, 64], Operations: ['14+43=57', '88-24=64'] Exploring Operation: 57*64=3648, Resulting Numbers: [3648] 3648,83 unequal: No Solution Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 57+64=121, Resulting Numbers: [121] 121,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[57, 112], Operations: ['14+43=57', '88+24=112'] Exploring Operation: 57+112=169, Resulting Numbers: [169] 169,83 unequal: No Solution Exploring Operation: 57*112=6384, Resulting Numbers: [6384] 6384,83 unequal: No Solution Exploring Operation: 112-57=55, Resulting Numbers: [55] 55,83 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 Current State: 83:[88, 43, 38], Operations: ['14+24=38'] Exploring Operation: 43+38=81, Resulting Numbers: [88, 81] Generated Node #0,2,0: 83:[88, 81] Operation: 43+38=81 Exploring Operation: 88-43=45, Resulting Numbers: [38, 45] Generated Node #0,2,1: 83:[38, 45] Operation: 88-43=45 Exploring Operation: 88-38=50, Resulting Numbers: [43, 50] Generated Node #0,2,2: 83:[43, 50] Operation: 88-38=50 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[88, 81], Operations: ['14+24=38', '43+38=81'] Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,83 unequal: No Solution Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,83 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,83 unequal: No Solution No 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: 83:[43, 50], Operations: ['14+24=38', '88-38=50'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,83 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,83 unequal: No Solution No 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: 83:[38, 45], Operations: ['14+24=38', '88-43=45'] Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[14, 88, 24, 43], Operations: [] Exploring Operation: 14+24=38, Resulting Numbers: [88, 43, 38] Generated Node #0,2: 83:[88, 43, 38] Operation: 14+24=38 Moving to Node #0,2 Current State: 83:[88, 43, 38], Operations: ['14+24=38'] Exploring Operation: 88-43=45, Resulting Numbers: [38, 45] Generated Node #0,2,1: 83:[38, 45] Operation: 88-43=45 Moving to Node #0,2,1 Current State: 83:[38, 45], Operations: ['14+24=38', '88-43=45'] Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_3
sum_heuristic
[ 98, 5, 84, 80 ]
97
[ "98-5=93", "84-80=4", "93+4=97" ]
Current State: 97:[98, 5, 84, 80], Operations: [] Exploring Operation: 98-5=93, Resulting Numbers: [84, 80, 93] Generated Node #2: [84, 80, 93] from Operation: 98-5=93 Current State: 97:[84, 80, 93], Operations: ['98-5=93'] Exploring Operation: 84-80=4, Resulting Numbers: [93, 4] Generated Node #3: [93, 4] from Operation: 84-80=4 Current State: 97:[93, 4], Operations: ['98-5=93', '84-80=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[98, 5, 84, 80], Operations: [] Exploring Operation: 5+84=89, Resulting Numbers: [98, 80, 89] Generated Node #0,0: 97:[98, 80, 89] Operation: 5+84=89 Exploring Operation: 5+80=85, Resulting Numbers: [98, 84, 85] Generated Node #0,1: 97:[98, 84, 85] Operation: 5+80=85 Moving to Node #0,0 Current State: 97:[98, 80, 89], Operations: ['5+84=89'] Exploring Operation: 98-80=18, Resulting Numbers: [89, 18] Generated Node #0,0,0: 97:[89, 18] Operation: 98-80=18 Exploring Operation: 80+89=169, Resulting Numbers: [98, 169] Generated Node #0,0,1: 97:[98, 169] Operation: 80+89=169 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[98, 169], Operations: ['5+84=89', '80+89=169'] Exploring Operation: 98+169=267, Resulting Numbers: [267] 267,97 unequal: No Solution Exploring Operation: 169-98=71, Resulting Numbers: [71] 71,97 unequal: No Solution No 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: 97:[89, 18], Operations: ['5+84=89', '98-80=18'] Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,97 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,97 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: 97:[98, 84, 85], Operations: ['5+80=85'] Exploring Operation: 84+85=169, Resulting Numbers: [98, 169] Generated Node #0,1,0: 97:[98, 169] Operation: 84+85=169 Exploring Operation: 98-84=14, Resulting Numbers: [85, 14] Generated Node #0,1,1: 97:[85, 14] Operation: 98-84=14 Moving to Node #0,1,0 Current State: 97:[98, 169], Operations: ['5+80=85', '84+85=169'] Exploring Operation: 98+169=267, Resulting Numbers: [267] 267,97 unequal: No Solution Exploring Operation: 169-98=71, Resulting Numbers: [71] 71,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[85, 14], Operations: ['5+80=85', '98-84=14'] Exploring Operation: 85+14=99, Resulting Numbers: [99] 99,97 unequal: No Solution Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,97 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 36, 86, 27, 34 ]
90
[ "86+34=120", "27*120=3240", "3240/36=90" ]
Current State: 90:[36, 86, 27, 34], Operations: [] Exploring Operation: 86+34=120, Resulting Numbers: [36, 27, 120] Generated Node #2: [36, 27, 120] from Operation: 86+34=120 Current State: 90:[36, 27, 120], Operations: ['86+34=120'] Exploring Operation: 27*120=3240, Resulting Numbers: [36, 3240] Generated Node #3: [36, 3240] from Operation: 27*120=3240 Current State: 90:[36, 3240], Operations: ['86+34=120', '27*120=3240'] Exploring Operation: 3240/36=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[36, 86, 27, 34], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [86, 27, 2] Generated Node #0,0: 90:[86, 27, 2] Operation: 36-34=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[86, 27, 2], Operations: ['36-34=2'] Exploring Operation: 86+2=88, Resulting Numbers: [27, 88] Generated Node #0,0,0: 90:[27, 88] Operation: 86+2=88 Moving to Node #0,0,0 Current State: 90:[27, 88], Operations: ['36-34=2', '86+2=88'] Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,90 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
[ 36, 2, 53, 62 ]
40
[ "62-36=26", "26/2=13", "53-13=40" ]
Current State: 40:[36, 2, 53, 62], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [2, 53, 26] Generated Node #2: [2, 53, 26] from Operation: 62-36=26 Current State: 40:[2, 53, 26], Operations: ['62-36=26'] Exploring Operation: 26/2=13, Resulting Numbers: [53, 13] Generated Node #3: [53, 13] from Operation: 26/2=13 Current State: 40:[53, 13], Operations: ['62-36=26', '26/2=13'] Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[36, 2, 53, 62], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [2, 53, 26] Generated Node #0,0: 40:[2, 53, 26] Operation: 62-36=26 Exploring Operation: 62-53=9, Resulting Numbers: [36, 2, 9] Generated Node #0,1: 40:[36, 2, 9] Operation: 62-53=9 Moving to Node #0,1 Current State: 40:[36, 2, 9], Operations: ['62-53=9'] Exploring Operation: 36/9=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 40:[2, 4] Operation: 36/9=4 Exploring Operation: 36+2=38, Resulting Numbers: [9, 38] Generated Node #0,1,1: 40:[9, 38] Operation: 36+2=38 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[2, 4], Operations: ['62-53=9', '36/9=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[9, 38], Operations: ['62-53=9', '36+2=38'] Exploring Operation: 9+38=47, Resulting Numbers: [47] 47,40 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,40 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: 40:[2, 53, 26], Operations: ['62-36=26'] Exploring Operation: 26/2=13, Resulting Numbers: [53, 13] Generated Node #0,0,0: 40:[53, 13] Operation: 26/2=13 Exploring Operation: 53-26=27, Resulting Numbers: [2, 27] Generated Node #0,0,1: 40:[2, 27] Operation: 53-26=27 Moving to Node #0,0,1 Current State: 40:[2, 27], Operations: ['62-36=26', '53-26=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,40 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,40 unequal: No Solution Moving to Node #0,0,0 Current State: 40:[53, 13], Operations: ['62-36=26', '26/2=13'] Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[36, 2, 53, 62], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [2, 53, 26] Generated Node #0,0: 40:[2, 53, 26] Operation: 62-36=26 Moving to Node #0,0 Current State: 40:[2, 53, 26], Operations: ['62-36=26'] Exploring Operation: 26/2=13, Resulting Numbers: [53, 13] Generated Node #0,0,0: 40:[53, 13] Operation: 26/2=13 Moving to Node #0,0,0 Current State: 40:[53, 13], Operations: ['62-36=26', '26/2=13'] Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 55, 55, 4, 75 ]
75
[ "55-55=0", "4*0=0", "75+0=75" ]
Current State: 75:[55, 55, 4, 75], Operations: [] Exploring Operation: 55-55=0, Resulting Numbers: [4, 75, 0] Generated Node #2: [4, 75, 0] from Operation: 55-55=0 Current State: 75:[4, 75, 0], Operations: ['55-55=0'] Exploring Operation: 4*0=0, Resulting Numbers: [75, 0] Generated Node #3: [75, 0] from Operation: 4*0=0 Current State: 75:[75, 0], Operations: ['55-55=0', '4*0=0'] Exploring Operation: 75+0=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[55, 55, 4, 75], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [55, 4, 20] Generated Node #0,0: 75:[55, 4, 20] Operation: 75-55=20 Exploring Operation: 55-55=0, Resulting Numbers: [4, 75, 0] Generated Node #0,1: 75:[4, 75, 0] Operation: 55-55=0 Exploring Operation: 55/55=1, Resulting Numbers: [4, 75, 1] Generated Node #0,2: 75:[4, 75, 1] Operation: 55/55=1 Exploring Operation: 75-55=20, Resulting Numbers: [55, 4, 20] Generated Node #0,3: 75:[55, 4, 20] Operation: 75-55=20 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[4, 75, 1], Operations: ['55/55=1'] Exploring Operation: 4-1=3, Resulting Numbers: [75, 3] Generated Node #0,2,0: 75:[75, 3] Operation: 4-1=3 Exploring Operation: 4+1=5, Resulting Numbers: [75, 5] Generated Node #0,2,1: 75:[75, 5] Operation: 4+1=5 Exploring Operation: 4*1=4, Resulting Numbers: [75, 4] Generated Node #0,2,2: 75:[75, 4] Operation: 4*1=4 Exploring Operation: 4/1=4, Resulting Numbers: [75, 4] Generated Node #0,2,3: 75:[75, 4] Operation: 4/1=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[75, 3], Operations: ['55/55=1', '4-1=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 75*3=225, Resulting Numbers: [225] 225,75 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[75, 5], Operations: ['55/55=1', '4+1=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,75 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[75, 4], Operations: ['55/55=1', '4*1=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[75, 4], Operations: ['55/55=1', '4/1=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[4, 75, 0], Operations: ['55-55=0'] Exploring Operation: 75+0=75, Resulting Numbers: [4, 75] Generated Node #0,1,0: 75:[4, 75] Operation: 75+0=75 Exploring Operation: 75-0=75, Resulting Numbers: [4, 75] Generated Node #0,1,1: 75:[4, 75] Operation: 75-0=75 Exploring Operation: 4-0=4, Resulting Numbers: [75, 4] Generated Node #0,1,2: 75:[75, 4] Operation: 4-0=4 Exploring Operation: 4+0=4, Resulting Numbers: [75, 4] Generated Node #0,1,3: 75:[75, 4] Operation: 4+0=4 Moving to Node #0,1,0 Current State: 75:[4, 75], Operations: ['55-55=0', '75+0=75'] Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[75, 4], Operations: ['55-55=0', '4-0=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[4, 75], Operations: ['55-55=0', '75-0=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[75, 4], Operations: ['55-55=0', '4+0=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 75*4=300, Resulting Numbers: [300] 300,75 unequal: No Solution Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[55, 4, 20], Operations: ['75-55=20'] Exploring Operation: 55-20=35, Resulting Numbers: [4, 35] Generated Node #0,0,0: 75:[4, 35] Operation: 55-20=35 Exploring Operation: 55+4=59, Resulting Numbers: [20, 59] Generated Node #0,0,1: 75:[20, 59] Operation: 55+4=59 Exploring Operation: 20/4=5, Resulting Numbers: [55, 5] Generated Node #0,0,2: 75:[55, 5] Operation: 20/4=5 Exploring Operation: 55+20=75, Resulting Numbers: [4, 75] Generated Node #0,0,3: 75:[4, 75] Operation: 55+20=75 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 75:[4, 75], Operations: ['75-55=20', '55+20=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[4, 35], Operations: ['75-55=20', '55-20=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,75 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[55, 5], Operations: ['75-55=20', '20/4=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,75 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[20, 59], Operations: ['75-55=20', '55+4=59'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[55, 4, 20], Operations: ['75-55=20'] Exploring Operation: 55+4=59, Resulting Numbers: [20, 59] Generated Node #0,3,0: 75:[20, 59] Operation: 55+4=59 Exploring Operation: 55+20=75, Resulting Numbers: [4, 75] Generated Node #0,3,1: 75:[4, 75] Operation: 55+20=75 Exploring Operation: 20/4=5, Resulting Numbers: [55, 5] Generated Node #0,3,2: 75:[55, 5] Operation: 20/4=5 Exploring Operation: 55-20=35, Resulting Numbers: [4, 35] Generated Node #0,3,3: 75:[4, 35] Operation: 55-20=35 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 75:[4, 75], Operations: ['75-55=20', '55+20=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 75:[4, 35], Operations: ['75-55=20', '55-20=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,75 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,75 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 75:[55, 5], Operations: ['75-55=20', '20/4=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,75 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[20, 59], Operations: ['75-55=20', '55+4=59'] Exploring Operation: 20+59=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,75 unequal: No Solution Exploring Operation: 20*59=1180, Resulting Numbers: [1180] 1180,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 31, 95, 50, 61 ]
57
[ "61-31=30", "95*30=2850", "2850/50=57" ]
Current State: 57:[31, 95, 50, 61], Operations: [] Exploring Operation: 61-31=30, Resulting Numbers: [95, 50, 30] Generated Node #2: [95, 50, 30] from Operation: 61-31=30 Current State: 57:[95, 50, 30], Operations: ['61-31=30'] Exploring Operation: 95*30=2850, Resulting Numbers: [50, 2850] Generated Node #3: [50, 2850] from Operation: 95*30=2850 Current State: 57:[50, 2850], Operations: ['61-31=30', '95*30=2850'] Exploring Operation: 2850/50=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[31, 95, 50, 61], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [31, 61, 45] Generated Node #0,0: 57:[31, 61, 45] Operation: 95-50=45 Exploring Operation: 50-31=19, Resulting Numbers: [95, 61, 19] Generated Node #0,1: 57:[95, 61, 19] Operation: 50-31=19 Exploring Operation: 95-61=34, Resulting Numbers: [31, 50, 34] Generated Node #0,2: 57:[31, 50, 34] Operation: 95-61=34 Exploring Operation: 95-31=64, Resulting Numbers: [50, 61, 64] Generated Node #0,3: 57:[50, 61, 64] Operation: 95-31=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 57:[50, 61, 64], Operations: ['95-31=64'] Exploring Operation: 50+61=111, Resulting Numbers: [64, 111] Generated Node #0,3,0: 57:[64, 111] Operation: 50+61=111 Exploring Operation: 61-50=11, Resulting Numbers: [64, 11] Generated Node #0,3,1: 57:[64, 11] Operation: 61-50=11 Exploring Operation: 64-50=14, Resulting Numbers: [61, 14] Generated Node #0,3,2: 57:[61, 14] Operation: 64-50=14 Exploring Operation: 64-61=3, Resulting Numbers: [50, 3] Generated Node #0,3,3: 57:[50, 3] Operation: 64-61=3 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[50, 3], Operations: ['95-31=64', '64-61=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 57:[61, 14], Operations: ['95-31=64', '64-50=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,57 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 57:[64, 11], Operations: ['95-31=64', '61-50=11'] Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[64, 111], Operations: ['95-31=64', '50+61=111'] Exploring Operation: 64+111=175, Resulting Numbers: [175] 175,57 unequal: No Solution Exploring Operation: 64*111=7104, Resulting Numbers: [7104] 7104,57 unequal: No Solution Exploring Operation: 111-64=47, Resulting Numbers: [47] 47,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[31, 61, 45], Operations: ['95-50=45'] Exploring Operation: 61-45=16, Resulting Numbers: [31, 16] Generated Node #0,0,0: 57:[31, 16] Operation: 61-45=16 Exploring Operation: 45-31=14, Resulting Numbers: [61, 14] Generated Node #0,0,1: 57:[61, 14] Operation: 45-31=14 Exploring Operation: 31+45=76, Resulting Numbers: [61, 76] Generated Node #0,0,2: 57:[61, 76] Operation: 31+45=76 Exploring Operation: 61-31=30, Resulting Numbers: [45, 30] Generated Node #0,0,3: 57:[45, 30] Operation: 61-31=30 Moving to Node #0,0,1 Current State: 57:[61, 14], Operations: ['95-50=45', '45-31=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,57 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[31, 16], Operations: ['95-50=45', '61-45=16'] Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,57 unequal: No Solution Moving to Node #0,0,3 Current State: 57:[45, 30], Operations: ['95-50=45', '61-31=30'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 45*30=1350, Resulting Numbers: [1350] 1350,57 unequal: No Solution Moving to Node #0,0,2 Current State: 57:[61, 76], Operations: ['95-50=45', '31+45=76'] Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,57 unequal: No Solution Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[31, 50, 34], Operations: ['95-61=34'] Exploring Operation: 50-31=19, Resulting Numbers: [34, 19] Generated Node #0,2,0: 57:[34, 19] Operation: 50-31=19 Exploring Operation: 34-31=3, Resulting Numbers: [50, 3] Generated Node #0,2,1: 57:[50, 3] Operation: 34-31=3 Exploring Operation: 31+34=65, Resulting Numbers: [50, 65] Generated Node #0,2,2: 57:[50, 65] Operation: 31+34=65 Exploring Operation: 50-34=16, Resulting Numbers: [31, 16] Generated Node #0,2,3: 57:[31, 16] Operation: 50-34=16 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[50, 3], Operations: ['95-61=34', '34-31=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[34, 19], Operations: ['95-61=34', '50-31=19'] Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,57 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[50, 65], Operations: ['95-61=34', '31+34=65'] Exploring Operation: 50+65=115, Resulting Numbers: [115] 115,57 unequal: No Solution Exploring Operation: 65-50=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 50*65=3250, Resulting Numbers: [3250] 3250,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[31, 16], Operations: ['95-61=34', '50-34=16'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[95, 61, 19], Operations: ['50-31=19'] Exploring Operation: 95-19=76, Resulting Numbers: [61, 76] Generated Node #0,1,0: 57:[61, 76] Operation: 95-19=76 Exploring Operation: 95/19=5, Resulting Numbers: [61, 5] Generated Node #0,1,1: 57:[61, 5] Operation: 95/19=5 Exploring Operation: 61-19=42, Resulting Numbers: [95, 42] Generated Node #0,1,2: 57:[95, 42] Operation: 61-19=42 Exploring Operation: 95-61=34, Resulting Numbers: [19, 34] Generated Node #0,1,3: 57:[19, 34] Operation: 95-61=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[61, 5], Operations: ['50-31=19', '95/19=5'] Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,57 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 57:[19, 34], Operations: ['50-31=19', '95-61=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[61, 76], Operations: ['50-31=19', '95-19=76'] Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,57 unequal: No Solution Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,57 unequal: No Solution Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[95, 42], Operations: ['50-31=19', '61-19=42'] Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,57 unequal: No Solution Exploring Operation: 95*42=3990, Resulting Numbers: [3990] 3990,57 unequal: No Solution Exploring Operation: 95+42=137, Resulting Numbers: [137] 137,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 27, 63, 2, 13 ]
59
[ "63-27=36", "2*36=72", "72-13=59" ]
Current State: 59:[27, 63, 2, 13], Operations: [] Exploring Operation: 63-27=36, Resulting Numbers: [2, 13, 36] Generated Node #2: [2, 13, 36] from Operation: 63-27=36 Current State: 59:[2, 13, 36], Operations: ['63-27=36'] Exploring Operation: 2*36=72, Resulting Numbers: [13, 72] Generated Node #3: [13, 72] from Operation: 2*36=72 Current State: 59:[13, 72], Operations: ['63-27=36', '2*36=72'] Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[27, 63, 2, 13], Operations: [] Exploring Operation: 27+2=29, Resulting Numbers: [63, 13, 29] Generated Node #0,0: 59:[63, 13, 29] Operation: 27+2=29 Exploring Operation: 27*2=54, Resulting Numbers: [63, 13, 54] Generated Node #0,1: 59:[63, 13, 54] Operation: 27*2=54 Exploring Operation: 2*13=26, Resulting Numbers: [27, 63, 26] Generated Node #0,2: 59:[27, 63, 26] Operation: 2*13=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[63, 13, 54], Operations: ['27*2=54'] Exploring Operation: 13+54=67, Resulting Numbers: [63, 67] Generated Node #0,1,0: 59:[63, 67] Operation: 13+54=67 Exploring Operation: 63-13=50, Resulting Numbers: [54, 50] Generated Node #0,1,1: 59:[54, 50] Operation: 63-13=50 Exploring Operation: 63+13=76, Resulting Numbers: [54, 76] Generated Node #0,1,2: 59:[54, 76] Operation: 63+13=76 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[63, 67], Operations: ['27*2=54', '13+54=67'] Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,59 unequal: No Solution Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[54, 50], Operations: ['27*2=54', '63-13=50'] Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,59 unequal: No Solution Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,59 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[54, 76], Operations: ['27*2=54', '63+13=76'] Exploring Operation: 54*76=4104, Resulting Numbers: [4104] 4104,59 unequal: No Solution Exploring Operation: 76-54=22, Resulting Numbers: [22] 22,59 unequal: No Solution Exploring Operation: 54+76=130, Resulting Numbers: [130] 130,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[27, 63, 26], Operations: ['2*13=26'] Exploring Operation: 63-26=37, Resulting Numbers: [27, 37] Generated Node #0,2,0: 59:[27, 37] Operation: 63-26=37 Exploring Operation: 27+26=53, Resulting Numbers: [63, 53] Generated Node #0,2,1: 59:[63, 53] Operation: 27+26=53 Exploring Operation: 63-27=36, Resulting Numbers: [26, 36] Generated Node #0,2,2: 59:[26, 36] Operation: 63-27=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[63, 53], Operations: ['2*13=26', '27+26=53'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 63+53=116, Resulting Numbers: [116] 116,59 unequal: No Solution Exploring Operation: 63*53=3339, Resulting Numbers: [3339] 3339,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 59:[27, 37], Operations: ['2*13=26', '63-26=37'] Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,59 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 59:[26, 36], Operations: ['2*13=26', '63-27=36'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 26+36=62, Resulting Numbers: [62] 62,59 unequal: No Solution Exploring Operation: 26*36=936, Resulting Numbers: [936] 936,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[63, 13, 29], Operations: ['27+2=29'] Exploring Operation: 63-13=50, Resulting Numbers: [29, 50] Generated Node #0,0,0: 59:[29, 50] Operation: 63-13=50 Exploring Operation: 63+13=76, Resulting Numbers: [29, 76] Generated Node #0,0,1: 59:[29, 76] Operation: 63+13=76 Exploring Operation: 13+29=42, Resulting Numbers: [63, 42] Generated Node #0,0,2: 59:[63, 42] Operation: 13+29=42 Moving to Node #0,0,2 Current State: 59:[63, 42], Operations: ['27+2=29', '13+29=42'] Exploring Operation: 63-42=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 63+42=105, Resulting Numbers: [105] 105,59 unequal: No Solution Exploring Operation: 63*42=2646, Resulting Numbers: [2646] 2646,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[29, 50], Operations: ['27+2=29', '63-13=50'] Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[29, 76], Operations: ['27+2=29', '63+13=76'] Exploring Operation: 29*76=2204, Resulting Numbers: [2204] 2204,59 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 29+76=105, Resulting Numbers: [105] 105,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 78, 89, 13, 71 ]
24
[ "78/13=6", "89-71=18", "6+18=24" ]
Current State: 24:[78, 89, 13, 71], Operations: [] Exploring Operation: 78/13=6, Resulting Numbers: [89, 71, 6] Generated Node #2: [89, 71, 6] from Operation: 78/13=6 Current State: 24:[89, 71, 6], Operations: ['78/13=6'] Exploring Operation: 89-71=18, Resulting Numbers: [6, 18] Generated Node #3: [6, 18] from Operation: 89-71=18 Current State: 24:[6, 18], Operations: ['78/13=6', '89-71=18'] Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[78, 89, 13, 71], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [13, 71, 11] Generated Node #0,0: 24:[13, 71, 11] Operation: 89-78=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[13, 71, 11], Operations: ['89-78=11'] Exploring Operation: 71-13=58, Resulting Numbers: [11, 58] Generated Node #0,0,0: 24:[11, 58] Operation: 71-13=58 Moving to Node #0,0,0 Current State: 24:[11, 58], Operations: ['89-78=11', '71-13=58'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,24 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
[ 85, 8, 80, 71 ]
85
[ "80-8=72", "72-71=1", "85*1=85" ]
Current State: 85:[85, 8, 80, 71], Operations: [] Exploring Operation: 80-8=72, Resulting Numbers: [85, 71, 72] Generated Node #2: [85, 71, 72] from Operation: 80-8=72 Current State: 85:[85, 71, 72], Operations: ['80-8=72'] Exploring Operation: 72-71=1, Resulting Numbers: [85, 1] Generated Node #3: [85, 1] from Operation: 72-71=1 Current State: 85:[85, 1], Operations: ['80-8=72', '72-71=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[85, 8, 80, 71], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [8, 71, 5] Generated Node #0,0: 85:[8, 71, 5] Operation: 85-80=5 Exploring Operation: 8+80=88, Resulting Numbers: [85, 71, 88] Generated Node #0,1: 85:[85, 71, 88] Operation: 8+80=88 Exploring Operation: 8+71=79, Resulting Numbers: [85, 80, 79] Generated Node #0,2: 85:[85, 80, 79] Operation: 8+71=79 Exploring Operation: 80-71=9, Resulting Numbers: [85, 8, 9] Generated Node #0,3: 85:[85, 8, 9] Operation: 80-71=9 Exploring Operation: 85-71=14, Resulting Numbers: [8, 80, 14] Generated Node #0,4: 85:[8, 80, 14] Operation: 85-71=14 Moving to Node #0,3 Current State: 85:[85, 8, 9], Operations: ['80-71=9'] Exploring Operation: 85+9=94, Resulting Numbers: [8, 94] Generated Node #0,3,0: 85:[8, 94] Operation: 85+9=94 Exploring Operation: 85+8=93, Resulting Numbers: [9, 93] Generated Node #0,3,1: 85:[9, 93] Operation: 85+8=93 Exploring Operation: 85-8=77, Resulting Numbers: [9, 77] Generated Node #0,3,2: 85:[9, 77] Operation: 85-8=77 Exploring Operation: 9-8=1, Resulting Numbers: [85, 1] Generated Node #0,3,3: 85:[85, 1] Operation: 9-8=1 Exploring Operation: 8+9=17, Resulting Numbers: [85, 17] Generated Node #0,3,4: 85:[85, 17] Operation: 8+9=17 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 85:[85, 17], Operations: ['80-71=9', '8+9=17'] Exploring Operation: 85+17=102, Resulting Numbers: [102] 102,85 unequal: No Solution Exploring Operation: 85*17=1445, Resulting Numbers: [1445] 1445,85 unequal: No Solution Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,85 unequal: No Solution Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[85, 1], Operations: ['80-71=9', '9-8=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[85, 8, 80, 71], Operations: [] Exploring Operation: 80-71=9, Resulting Numbers: [85, 8, 9] Generated Node #0,3: 85:[85, 8, 9] Operation: 80-71=9 Moving to Node #0,3 Current State: 85:[85, 8, 9], Operations: ['80-71=9'] Exploring Operation: 9-8=1, Resulting Numbers: [85, 1] Generated Node #0,3,3: 85:[85, 1] Operation: 9-8=1 Moving to Node #0,3,3 Current State: 85:[85, 1], Operations: ['80-71=9', '9-8=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 10, 88, 90, 99 ]
91
[ "10+88=98", "90+99=189", "189-98=91" ]
Current State: 91:[10, 88, 90, 99], Operations: [] Exploring Operation: 10+88=98, Resulting Numbers: [90, 99, 98] Generated Node #2: [90, 99, 98] from Operation: 10+88=98 Current State: 91:[90, 99, 98], Operations: ['10+88=98'] Exploring Operation: 90+99=189, Resulting Numbers: [98, 189] Generated Node #3: [98, 189] from Operation: 90+99=189 Current State: 91:[98, 189], Operations: ['10+88=98', '90+99=189'] Exploring Operation: 189-98=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[10, 88, 90, 99], Operations: [] Exploring Operation: 99-10=89, Resulting Numbers: [88, 90, 89] Generated Node #0,0: 91:[88, 90, 89] Operation: 99-10=89 Exploring Operation: 90/10=9, Resulting Numbers: [88, 99, 9] Generated Node #0,1: 91:[88, 99, 9] Operation: 90/10=9 Exploring Operation: 99-90=9, Resulting Numbers: [10, 88, 9] Generated Node #0,2: 91:[10, 88, 9] Operation: 99-90=9 Exploring Operation: 99-88=11, Resulting Numbers: [10, 90, 11] Generated Node #0,3: 91:[10, 90, 11] Operation: 99-88=11 Moving to Node #0,0 Current State: 91:[88, 90, 89], Operations: ['99-10=89'] Exploring Operation: 88+89=177, Resulting Numbers: [90, 177] Generated Node #0,0,0: 91:[90, 177] Operation: 88+89=177 Exploring Operation: 90-89=1, Resulting Numbers: [88, 1] Generated Node #0,0,1: 91:[88, 1] Operation: 90-89=1 Exploring Operation: 90-88=2, Resulting Numbers: [89, 2] Generated Node #0,0,2: 91:[89, 2] Operation: 90-88=2 Exploring Operation: 89-88=1, Resulting Numbers: [90, 1] Generated Node #0,0,3: 91:[90, 1] Operation: 89-88=1 Moving to Node #0,3 Current State: 91:[10, 90, 11], Operations: ['99-88=11'] Exploring Operation: 10+11=21, Resulting Numbers: [90, 21] Generated Node #0,3,0: 91:[90, 21] Operation: 10+11=21 Exploring Operation: 11-10=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 91:[90, 1] Operation: 11-10=1 Exploring Operation: 90/10=9, Resulting Numbers: [11, 9] Generated Node #0,3,2: 91:[11, 9] Operation: 90/10=9 Exploring Operation: 10+90=100, Resulting Numbers: [11, 100] Generated Node #0,3,3: 91:[11, 100] Operation: 10+90=100 Moving to Node #0,2 Current State: 91:[10, 88, 9], Operations: ['99-90=9'] Exploring Operation: 10+9=19, Resulting Numbers: [88, 19] Generated Node #0,2,0: 91:[88, 19] Operation: 10+9=19 Exploring Operation: 10+88=98, Resulting Numbers: [9, 98] Generated Node #0,2,1: 91:[9, 98] Operation: 10+88=98 Exploring Operation: 10*9=90, Resulting Numbers: [88, 90] Generated Node #0,2,2: 91:[88, 90] Operation: 10*9=90 Exploring Operation: 10-9=1, Resulting Numbers: [88, 1] Generated Node #0,2,3: 91:[88, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[88, 90], Operations: ['99-90=9', '10*9=90'] Exploring Operation: 88*90=7920, Resulting Numbers: [7920] 7920,91 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 88+90=178, Resulting Numbers: [178] 178,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[88, 19], Operations: ['99-90=9', '10+9=19'] Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,91 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,91 unequal: No Solution Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[9, 98], Operations: ['99-90=9', '10+88=98'] Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,91 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[88, 1], Operations: ['99-90=9', '10-9=1'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,91 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,91 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 91:[88, 99, 9], Operations: ['90/10=9'] Exploring Operation: 99-88=11, Resulting Numbers: [9, 11] Generated Node #0,1,0: 91:[9, 11] Operation: 99-88=11 Exploring Operation: 99/9=11, Resulting Numbers: [88, 11] Generated Node #0,1,1: 91:[88, 11] Operation: 99/9=11 Exploring Operation: 88+9=97, Resulting Numbers: [99, 97] Generated Node #0,1,2: 91:[99, 97] Operation: 88+9=97 Exploring Operation: 99-9=90, Resulting Numbers: [88, 90] Generated Node #0,1,3: 91:[88, 90] Operation: 99-9=90 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[9, 11], Operations: ['90/10=9', '99-88=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[88, 90], Operations: ['90/10=9', '99-9=90'] Exploring Operation: 88+90=178, Resulting Numbers: [178] 178,91 unequal: No Solution Exploring Operation: 90-88=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 88*90=7920, Resulting Numbers: [7920] 7920,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[88, 11], Operations: ['90/10=9', '99/9=11'] Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,91 unequal: No Solution Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 88*11=968, Resulting Numbers: [968] 968,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[99, 97], Operations: ['90/10=9', '88+9=97'] Exploring Operation: 99*97=9603, Resulting Numbers: [9603] 9603,91 unequal: No Solution Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 99+97=196, Resulting Numbers: [196] 196,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 91:[11, 9], Operations: ['99-88=11', '90/10=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[90, 1], Operations: ['99-88=11', '11-10=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[10, 88, 90, 99], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [10, 90, 11] Generated Node #0,3: 91:[10, 90, 11] Operation: 99-88=11 Moving to Node #0,3 Current State: 91:[10, 90, 11], Operations: ['99-88=11'] Exploring Operation: 11-10=1, Resulting Numbers: [90, 1] Generated Node #0,3,1: 91:[90, 1] Operation: 11-10=1 Moving to Node #0,3,1 Current State: 91:[90, 1], Operations: ['99-88=11', '11-10=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.950521
hs_4
mult_heuristic
[ 62, 49, 69, 73 ]
80
[ "69-62=7", "49/7=7", "73+7=80" ]
Current State: 80:[62, 49, 69, 73], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [49, 73, 7] Generated Node #2: [49, 73, 7] from Operation: 69-62=7 Current State: 80:[49, 73, 7], Operations: ['69-62=7'] Exploring Operation: 49/7=7, Resulting Numbers: [73, 7] Generated Node #3: [73, 7] from Operation: 49/7=7 Current State: 80:[73, 7], Operations: ['69-62=7', '49/7=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[62, 49, 69, 73], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [49, 73, 7] Generated Node #0,0: 80:[49, 73, 7] Operation: 69-62=7 Exploring Operation: 62-49=13, Resulting Numbers: [69, 73, 13] Generated Node #0,1: 80:[69, 73, 13] Operation: 62-49=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[49, 73, 7], Operations: ['69-62=7'] Exploring Operation: 73-49=24, Resulting Numbers: [7, 24] Generated Node #0,0,0: 80:[7, 24] Operation: 73-49=24 Exploring Operation: 49/7=7, Resulting Numbers: [73, 7] Generated Node #0,0,1: 80:[73, 7] Operation: 49/7=7 Moving to Node #0,0,0 Current State: 80:[7, 24], Operations: ['69-62=7', '73-49=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,80 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[73, 7], Operations: ['69-62=7', '49/7=7'] Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,80 unequal: No Solution Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[62, 49, 69, 73], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [49, 73, 7] Generated Node #0,0: 80:[49, 73, 7] Operation: 69-62=7 Moving to Node #0,0 Current State: 80:[49, 73, 7], Operations: ['69-62=7'] Exploring Operation: 49/7=7, Resulting Numbers: [73, 7] Generated Node #0,0,1: 80:[73, 7] Operation: 49/7=7 Moving to Node #0,0,1 Current State: 80:[73, 7], Operations: ['69-62=7', '49/7=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 11, 5, 4, 18 ]
81
[ "5+4=9", "11*9=99", "99-18=81" ]
Current State: 81:[11, 5, 4, 18], Operations: [] Exploring Operation: 5+4=9, Resulting Numbers: [11, 18, 9] Generated Node #2: [11, 18, 9] from Operation: 5+4=9 Current State: 81:[11, 18, 9], Operations: ['5+4=9'] Exploring Operation: 11*9=99, Resulting Numbers: [18, 99] Generated Node #3: [18, 99] from Operation: 11*9=99 Current State: 81:[18, 99], Operations: ['5+4=9', '11*9=99'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[11, 5, 4, 18], Operations: [] Exploring Operation: 18-11=7, Resulting Numbers: [5, 4, 7] Generated Node #0,0: 81:[5, 4, 7] Operation: 18-11=7 Exploring Operation: 11+18=29, Resulting Numbers: [5, 4, 29] Generated Node #0,1: 81:[5, 4, 29] Operation: 11+18=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[5, 4, 7], Operations: ['18-11=7'] Exploring Operation: 7-5=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 81:[4, 2] Operation: 7-5=2 Exploring Operation: 5+4=9, Resulting Numbers: [7, 9] Generated Node #0,0,1: 81:[7, 9] Operation: 5+4=9 Moving to Node #0,0,0 Current State: 81:[4, 2], Operations: ['18-11=7', '7-5=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[7, 9], Operations: ['18-11=7', '5+4=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[5, 4, 29], Operations: ['11+18=29'] Exploring Operation: 5+4=9, Resulting Numbers: [29, 9] Generated Node #0,1,0: 81:[29, 9] Operation: 5+4=9 Exploring Operation: 5-4=1, Resulting Numbers: [29, 1] Generated Node #0,1,1: 81:[29, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[29, 9], Operations: ['11+18=29', '5+4=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,81 unequal: No Solution Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[29, 1], Operations: ['11+18=29', '5-4=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 18, 9, 38 ]
29
[ "20+38=58", "18/9=2", "58/2=29" ]
Current State: 29:[20, 18, 9, 38], Operations: [] Exploring Operation: 20+38=58, Resulting Numbers: [18, 9, 58] Generated Node #2: [18, 9, 58] from Operation: 20+38=58 Current State: 29:[18, 9, 58], Operations: ['20+38=58'] Exploring Operation: 18/9=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 18/9=2 Current State: 29:[58, 2], Operations: ['20+38=58', '18/9=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[20, 18, 9, 38], Operations: [] Exploring Operation: 38-9=29, Resulting Numbers: [20, 18, 29] Generated Node #0,0: 29:[20, 18, 29] Operation: 38-9=29 Exploring Operation: 20+9=29, Resulting Numbers: [18, 38, 29] Generated Node #0,1: 29:[18, 38, 29] Operation: 20+9=29 Exploring Operation: 18+9=27, Resulting Numbers: [20, 38, 27] Generated Node #0,2: 29:[20, 38, 27] Operation: 18+9=27 Moving to Node #0,0 Current State: 29:[20, 18, 29], Operations: ['38-9=29'] Exploring Operation: 18+29=47, Resulting Numbers: [20, 47] Generated Node #0,0,0: 29:[20, 47] Operation: 18+29=47 Exploring Operation: 20-18=2, Resulting Numbers: [29, 2] Generated Node #0,0,1: 29:[29, 2] Operation: 20-18=2 Exploring Operation: 20+18=38, Resulting Numbers: [29, 38] Generated Node #0,0,2: 29:[29, 38] Operation: 20+18=38 Moving to Node #0,1 Current State: 29:[18, 38, 29], Operations: ['20+9=29'] Exploring Operation: 18+29=47, Resulting Numbers: [38, 47] Generated Node #0,1,0: 29:[38, 47] Operation: 18+29=47 Exploring Operation: 18+38=56, Resulting Numbers: [29, 56] Generated Node #0,1,1: 29:[29, 56] Operation: 18+38=56 Exploring Operation: 38-18=20, Resulting Numbers: [29, 20] Generated Node #0,1,2: 29:[29, 20] Operation: 38-18=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[29, 20], Operations: ['20+9=29', '38-18=20'] Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,29 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[38, 47], Operations: ['20+9=29', '18+29=47'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[29, 56], Operations: ['20+9=29', '18+38=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 29:[20, 38, 27], Operations: ['18+9=27'] Exploring Operation: 20+27=47, Resulting Numbers: [38, 47] Generated Node #0,2,0: 29:[38, 47] Operation: 20+27=47 Exploring Operation: 38-20=18, Resulting Numbers: [27, 18] Generated Node #0,2,1: 29:[27, 18] Operation: 38-20=18 Exploring Operation: 38-27=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 29:[20, 11] Operation: 38-27=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[27, 18], Operations: ['18+9=27', '38-20=18'] Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,29 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,29 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 #0,2,0 Current State: 29:[38, 47], Operations: ['18+9=27', '20+27=47'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 38*47=1786, Resulting Numbers: [1786] 1786,29 unequal: No Solution Exploring Operation: 38+47=85, Resulting Numbers: [85] 85,29 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 #0,2,2 Current State: 29:[20, 11], Operations: ['18+9=27', '38-27=11'] Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,29 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,29 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: 29:[29, 38], Operations: ['38-9=29', '20+18=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,29 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[20, 47], Operations: ['38-9=29', '18+29=47'] Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,29 unequal: No Solution Exploring Operation: 20*47=940, Resulting Numbers: [940] 940,29 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[29, 2], Operations: ['38-9=29', '20-18=2'] Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,29 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 97, 79, 92, 94 ]
88
[ "97+79=176", "94-92=2", "176/2=88" ]
Current State: 88:[97, 79, 92, 94], Operations: [] Exploring Operation: 97+79=176, Resulting Numbers: [92, 94, 176] Generated Node #2: [92, 94, 176] from Operation: 97+79=176 Current State: 88:[92, 94, 176], Operations: ['97+79=176'] Exploring Operation: 94-92=2, Resulting Numbers: [176, 2] Generated Node #3: [176, 2] from Operation: 94-92=2 Current State: 88:[176, 2], Operations: ['97+79=176', '94-92=2'] Exploring Operation: 176/2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[97, 79, 92, 94], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [79, 92, 3] Generated Node #0,0: 88:[79, 92, 3] Operation: 97-94=3 Exploring Operation: 97-92=5, Resulting Numbers: [79, 94, 5] Generated Node #0,1: 88:[79, 94, 5] Operation: 97-92=5 Exploring Operation: 97-79=18, Resulting Numbers: [92, 94, 18] Generated Node #0,2: 88:[92, 94, 18] Operation: 97-79=18 Moving to Node #0,0 Current State: 88:[79, 92, 3], Operations: ['97-94=3'] Exploring Operation: 92-79=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 88:[3, 13] Operation: 92-79=13 Exploring Operation: 92-3=89, Resulting Numbers: [79, 89] Generated Node #0,0,1: 88:[79, 89] Operation: 92-3=89 Exploring Operation: 79+3=82, Resulting Numbers: [92, 82] Generated Node #0,0,2: 88:[92, 82] Operation: 79+3=82 Moving to Node #0,2 Current State: 88:[92, 94, 18], Operations: ['97-79=18'] Exploring Operation: 94-92=2, Resulting Numbers: [18, 2] Generated Node #0,2,0: 88:[18, 2] Operation: 94-92=2 Exploring Operation: 94-18=76, Resulting Numbers: [92, 76] Generated Node #0,2,1: 88:[92, 76] Operation: 94-18=76 Exploring Operation: 92-18=74, Resulting Numbers: [94, 74] Generated Node #0,2,2: 88:[94, 74] Operation: 92-18=74 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[18, 2], Operations: ['97-79=18', '94-92=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[92, 76], Operations: ['97-79=18', '94-18=76'] Exploring Operation: 92+76=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 92-76=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 92*76=6992, Resulting Numbers: [6992] 6992,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[94, 74], Operations: ['97-79=18', '92-18=74'] Exploring Operation: 94+74=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 94*74=6956, Resulting Numbers: [6956] 6956,88 unequal: No Solution Exploring Operation: 94-74=20, Resulting Numbers: [20] 20,88 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: 88:[79, 94, 5], Operations: ['97-92=5'] Exploring Operation: 79+5=84, Resulting Numbers: [94, 84] Generated Node #0,1,0: 88:[94, 84] Operation: 79+5=84 Exploring Operation: 94-79=15, Resulting Numbers: [5, 15] Generated Node #0,1,1: 88:[5, 15] Operation: 94-79=15 Exploring Operation: 94-5=89, Resulting Numbers: [79, 89] Generated Node #0,1,2: 88:[79, 89] Operation: 94-5=89 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[5, 15], Operations: ['97-92=5', '94-79=15'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[94, 84], Operations: ['97-92=5', '79+5=84'] Exploring Operation: 94*84=7896, Resulting Numbers: [7896] 7896,88 unequal: No Solution Exploring Operation: 94+84=178, Resulting Numbers: [178] 178,88 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[79, 89], Operations: ['97-92=5', '94-5=89'] Exploring Operation: 79+89=168, Resulting Numbers: [168] 168,88 unequal: No Solution Exploring Operation: 79*89=7031, Resulting Numbers: [7031] 7031,88 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 88:[3, 13], Operations: ['97-94=3', '92-79=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[79, 89], Operations: ['97-94=3', '92-3=89'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 79*89=7031, Resulting Numbers: [7031] 7031,88 unequal: No Solution Exploring Operation: 79+89=168, Resulting Numbers: [168] 168,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[92, 82], Operations: ['97-94=3', '79+3=82'] Exploring Operation: 92+82=174, Resulting Numbers: [174] 174,88 unequal: No Solution Exploring Operation: 92*82=7544, Resulting Numbers: [7544] 7544,88 unequal: No Solution Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,88 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 75, 43, 87, 16 ]
47
[ "75+43=118", "87-16=71", "118-71=47" ]
Current State: 47:[75, 43, 87, 16], Operations: [] Exploring Operation: 75+43=118, Resulting Numbers: [87, 16, 118] Generated Node #2: [87, 16, 118] from Operation: 75+43=118 Current State: 47:[87, 16, 118], Operations: ['75+43=118'] Exploring Operation: 87-16=71, Resulting Numbers: [118, 71] Generated Node #3: [118, 71] from Operation: 87-16=71 Current State: 47:[118, 71], Operations: ['75+43=118', '87-16=71'] Exploring Operation: 118-71=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[75, 43, 87, 16], Operations: [] Exploring Operation: 87-16=71, Resulting Numbers: [75, 43, 71] Generated Node #0,0: 47:[75, 43, 71] Operation: 87-16=71 Exploring Operation: 75-16=59, Resulting Numbers: [43, 87, 59] Generated Node #0,1: 47:[43, 87, 59] Operation: 75-16=59 Moving to Node #0,0 Current State: 47:[75, 43, 71], Operations: ['87-16=71'] Exploring Operation: 75-43=32, Resulting Numbers: [71, 32] Generated Node #0,0,0: 47:[71, 32] Operation: 75-43=32 Exploring Operation: 75-71=4, Resulting Numbers: [43, 4] Generated Node #0,0,1: 47:[43, 4] Operation: 75-71=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[71, 32], Operations: ['87-16=71', '75-43=32'] Exploring Operation: 71-32=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 71+32=103, Resulting Numbers: [103] 103,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[43, 4], Operations: ['87-16=71', '75-71=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,47 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[75, 43, 87, 16], Operations: [] Exploring Operation: 87-16=71, Resulting Numbers: [75, 43, 71] Generated Node #0,0: 47:[75, 43, 71] Operation: 87-16=71 Moving to Node #0,0 Current State: 47:[75, 43, 71], Operations: ['87-16=71'] Exploring Operation: 75-71=4, Resulting Numbers: [43, 4] Generated Node #0,0,1: 47:[43, 4] Operation: 75-71=4 Moving to Node #0,0,1 Current State: 47:[43, 4], Operations: ['87-16=71', '75-71=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 6, 73, 50, 55 ]
72
[ "73-6=67", "55-50=5", "67+5=72" ]
Current State: 72:[6, 73, 50, 55], Operations: [] Exploring Operation: 73-6=67, Resulting Numbers: [50, 55, 67] Generated Node #2: [50, 55, 67] from Operation: 73-6=67 Current State: 72:[50, 55, 67], Operations: ['73-6=67'] Exploring Operation: 55-50=5, Resulting Numbers: [67, 5] Generated Node #3: [67, 5] from Operation: 55-50=5 Current State: 72:[67, 5], Operations: ['73-6=67', '55-50=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[6, 73, 50, 55], Operations: [] Exploring Operation: 73-55=18, Resulting Numbers: [6, 50, 18] Generated Node #0,0: 72:[6, 50, 18] Operation: 73-55=18 Exploring Operation: 55-50=5, Resulting Numbers: [6, 73, 5] Generated Node #0,1: 72:[6, 73, 5] Operation: 55-50=5 Moving to Node #0,1 Current State: 72:[6, 73, 5], Operations: ['55-50=5'] Exploring Operation: 6+5=11, Resulting Numbers: [73, 11] Generated Node #0,1,0: 72:[73, 11] Operation: 6+5=11 Exploring Operation: 6-5=1, Resulting Numbers: [73, 1] Generated Node #0,1,1: 72:[73, 1] Operation: 6-5=1 Moving to Node #0,0 Current State: 72:[6, 50, 18], Operations: ['73-55=18'] Exploring Operation: 50-18=32, Resulting Numbers: [6, 32] Generated Node #0,0,0: 72:[6, 32] Operation: 50-18=32 Exploring Operation: 50+18=68, Resulting Numbers: [6, 68] Generated Node #0,0,1: 72:[6, 68] Operation: 50+18=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[6, 32], Operations: ['73-55=18', '50-18=32'] Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,72 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[6, 68], Operations: ['73-55=18', '50+18=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,72 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: 72:[73, 11], Operations: ['55-50=5', '6+5=11'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,72 unequal: No Solution Exploring Operation: 73+11=84, Resulting Numbers: [84] 84,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[73, 1], Operations: ['55-50=5', '6-5=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,72 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[6, 73, 50, 55], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [6, 73, 5] Generated Node #0,1: 72:[6, 73, 5] Operation: 55-50=5 Moving to Node #0,1 Current State: 72:[6, 73, 5], Operations: ['55-50=5'] Exploring Operation: 6-5=1, Resulting Numbers: [73, 1] Generated Node #0,1,1: 72:[73, 1] Operation: 6-5=1 Moving to Node #0,1,1 Current State: 72:[73, 1], Operations: ['55-50=5', '6-5=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.984375
hs_2
mult_heuristic
[ 23, 91, 65, 39 ]
92
[ "91+65=156", "23*156=3588", "3588/39=92" ]
Current State: 92:[23, 91, 65, 39], Operations: [] Exploring Operation: 91+65=156, Resulting Numbers: [23, 39, 156] Generated Node #2: [23, 39, 156] from Operation: 91+65=156 Current State: 92:[23, 39, 156], Operations: ['91+65=156'] Exploring Operation: 23*156=3588, Resulting Numbers: [39, 3588] Generated Node #3: [39, 3588] from Operation: 23*156=3588 Current State: 92:[39, 3588], Operations: ['91+65=156', '23*156=3588'] Exploring Operation: 3588/39=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[23, 91, 65, 39], Operations: [] Exploring Operation: 65-39=26, Resulting Numbers: [23, 91, 26] Generated Node #0,0: 92:[23, 91, 26] Operation: 65-39=26 Exploring Operation: 91-65=26, Resulting Numbers: [23, 39, 26] Generated Node #0,1: 92:[23, 39, 26] Operation: 91-65=26 Moving to Node #0,0 Current State: 92:[23, 91, 26], Operations: ['65-39=26'] Exploring Operation: 26-23=3, Resulting Numbers: [91, 3] Generated Node #0,0,0: 92:[91, 3] Operation: 26-23=3 Exploring Operation: 23+26=49, Resulting Numbers: [91, 49] Generated Node #0,0,1: 92:[91, 49] Operation: 23+26=49 Moving to Node #0,1 Current State: 92:[23, 39, 26], Operations: ['91-65=26'] Exploring Operation: 39-26=13, Resulting Numbers: [23, 13] Generated Node #0,1,0: 92:[23, 13] Operation: 39-26=13 Exploring Operation: 26-23=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 92:[39, 3] Operation: 26-23=3 Moving to Node #0,0,0 Current State: 92:[91, 3], Operations: ['65-39=26', '26-23=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[91, 49], Operations: ['65-39=26', '23+26=49'] Exploring Operation: 91+49=140, Resulting Numbers: [140] 140,92 unequal: No Solution Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[39, 3], Operations: ['91-65=26', '26-23=3'] Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,92 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[23, 13], Operations: ['91-65=26', '39-26=13'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,92 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 68, 75, 92, 19 ]
80
[ "75-68=7", "92-19=73", "7+73=80" ]
Current State: 80:[68, 75, 92, 19], Operations: [] Exploring Operation: 75-68=7, Resulting Numbers: [92, 19, 7] Generated Node #2: [92, 19, 7] from Operation: 75-68=7 Current State: 80:[92, 19, 7], Operations: ['75-68=7'] Exploring Operation: 92-19=73, Resulting Numbers: [7, 73] Generated Node #3: [7, 73] from Operation: 92-19=73 Current State: 80:[7, 73], Operations: ['75-68=7', '92-19=73'] Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[68, 75, 92, 19], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [75, 19, 24] Generated Node #0,0: 80:[75, 19, 24] Operation: 92-68=24 Moving to Node #0,0 Current State: 80:[75, 19, 24], Operations: ['92-68=24'] Exploring Operation: 24-19=5, Resulting Numbers: [75, 5] Generated Node #0,0,0: 80:[75, 5] Operation: 24-19=5 Moving to Node #0,0,0 Current State: 80:[75, 5], Operations: ['92-68=24', '24-19=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[68, 75, 92, 19], Operations: [] Exploring Operation: 92-68=24, Resulting Numbers: [75, 19, 24] Generated Node #0,0: 80:[75, 19, 24] Operation: 92-68=24 Moving to Node #0,0 Current State: 80:[75, 19, 24], Operations: ['92-68=24'] Exploring Operation: 24-19=5, Resulting Numbers: [75, 5] Generated Node #0,0,0: 80:[75, 5] Operation: 24-19=5 Moving to Node #0,0,0 Current State: 80:[75, 5], Operations: ['92-68=24', '24-19=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 49, 67, 23, 1 ]
93
[ "49+67=116", "23*1=23", "116-23=93" ]
Current State: 93:[49, 67, 23, 1], Operations: [] Exploring Operation: 49+67=116, Resulting Numbers: [23, 1, 116] Generated Node #2: [23, 1, 116] from Operation: 49+67=116 Current State: 93:[23, 1, 116], Operations: ['49+67=116'] Exploring Operation: 23*1=23, Resulting Numbers: [116, 23] Generated Node #3: [116, 23] from Operation: 23*1=23 Current State: 93:[116, 23], Operations: ['49+67=116', '23*1=23'] Exploring Operation: 116-23=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[49, 67, 23, 1], Operations: [] Exploring Operation: 67-49=18, Resulting Numbers: [23, 1, 18] Generated Node #0,0: 93:[23, 1, 18] Operation: 67-49=18 Moving to Node #0,0 Current State: 93:[23, 1, 18], Operations: ['67-49=18'] Exploring Operation: 23-18=5, Resulting Numbers: [1, 5] Generated Node #0,0,0: 93:[1, 5] Operation: 23-18=5 Moving to Node #0,0,0 Current State: 93:[1, 5], Operations: ['67-49=18', '23-18=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,93 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 40, 3, 67 ]
97
[ "40-7=33", "67-3=64", "33+64=97" ]
Current State: 97:[7, 40, 3, 67], Operations: [] Exploring Operation: 40-7=33, Resulting Numbers: [3, 67, 33] Generated Node #2: [3, 67, 33] from Operation: 40-7=33 Current State: 97:[3, 67, 33], Operations: ['40-7=33'] Exploring Operation: 67-3=64, Resulting Numbers: [33, 64] Generated Node #3: [33, 64] from Operation: 67-3=64 Current State: 97:[33, 64], Operations: ['40-7=33', '67-3=64'] Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[7, 40, 3, 67], Operations: [] Exploring Operation: 40*3=120, Resulting Numbers: [7, 67, 120] Generated Node #0,0: 97:[7, 67, 120] Operation: 40*3=120 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[7, 67, 120], Operations: ['40*3=120'] Exploring Operation: 7+67=74, Resulting Numbers: [120, 74] Generated Node #0,0,0: 97:[120, 74] Operation: 7+67=74 Moving to Node #0,0,0 Current State: 97:[120, 74], Operations: ['40*3=120', '7+67=74'] Exploring Operation: 120-74=46, Resulting Numbers: [46] 46,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 56, 3, 76, 74 ]
30
[ "56+76=132", "132/3=44", "74-44=30" ]
Current State: 30:[56, 3, 76, 74], Operations: [] Exploring Operation: 56+76=132, Resulting Numbers: [3, 74, 132] Generated Node #2: [3, 74, 132] from Operation: 56+76=132 Current State: 30:[3, 74, 132], Operations: ['56+76=132'] Exploring Operation: 132/3=44, Resulting Numbers: [74, 44] Generated Node #3: [74, 44] from Operation: 132/3=44 Current State: 30:[74, 44], Operations: ['56+76=132', '132/3=44'] Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[56, 3, 76, 74], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [3, 74, 20] Generated Node #0,0: 30:[3, 74, 20] Operation: 76-56=20 Exploring Operation: 76-74=2, Resulting Numbers: [56, 3, 2] Generated Node #0,1: 30:[56, 3, 2] Operation: 76-74=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[56, 3, 2], Operations: ['76-74=2'] Exploring Operation: 56-3=53, Resulting Numbers: [2, 53] Generated Node #0,1,0: 30:[2, 53] Operation: 56-3=53 Exploring Operation: 56/2=28, Resulting Numbers: [3, 28] Generated Node #0,1,1: 30:[3, 28] Operation: 56/2=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 30:[3, 28], Operations: ['76-74=2', '56/2=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,30 unequal: No Solution No 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: 30:[2, 53], Operations: ['76-74=2', '56-3=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,30 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: 30:[3, 74, 20], Operations: ['76-56=20'] Exploring Operation: 74-20=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 30:[3, 54] Operation: 74-20=54 Exploring Operation: 74-3=71, Resulting Numbers: [20, 71] Generated Node #0,0,1: 30:[20, 71] Operation: 74-3=71 Moving to Node #0,0,0 Current State: 30:[3, 54], Operations: ['76-56=20', '74-20=54'] Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[20, 71], Operations: ['76-56=20', '74-3=71'] Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 20+71=91, Resulting Numbers: [91] 91,30 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